15297 commits
Author | SHA1 | Message | Date | |
---|---|---|---|---|
Greg Kroah-Hartman
|
92e72d9a99 |
This is the 4.19.61 stable release
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fix skcipher failure due to wrong output IV media: ov7740: avoid invalid framesize setting media: marvell-ccic: fix DMA s/g desc number calculation media: vpss: fix a potential NULL pointer dereference media: media_device_enum_links32: clean a reserved field net: stmmac: dwmac1000: Clear unused address entries net: stmmac: dwmac4/5: Clear unused address entries qed: Set the doorbell address correctly signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig af_key: fix leaks in key_pol_get_resp and dump_sp. xfrm: Fix xfrm sel prefix length validation fscrypt: clean up some BUG_ON()s in block encryption/decryption perf annotate TUI browser: Do not use member from variable within its own initialization media: mc-device.c: don't memset __user pointer contents media: saa7164: fix remove_proc_entry warning media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails. net: phy: Check against net_device being NULL crypto: talitos - properly handle split ICV. crypto: talitos - Align SEC1 accesses to 32 bits boundaries. tua6100: Avoid build warnings. batman-adv: Fix duplicated OGMs on NETDEV_UP locking/lockdep: Fix merging of hlocks with non-zero references media: wl128x: Fix some error handling in fm_v4l2_init_video_device() net: hns3: set ops to null when unregister ad_dev cpupower : frequency-set -r option misses the last cpu in related cpu list arm64: mm: make CONFIG_ZONE_DMA32 configurable perf jvmti: Address gcc string overflow warning for strncpy() net: stmmac: dwmac4: fix flow control issue net: stmmac: modify default value of tx-frames crypto: inside-secure - do not rely on the hardware last bit for result descriptors net: fec: Do not use netdev messages too early net: axienet: Fix race condition causing TX hang s390/qdio: handle PENDING state for QEBSM devices RAS/CEC: Fix pfn insertion net: sfp: add mutex to prevent concurrent state checks ipset: Fix memory accounting for hash types on resize perf cs-etm: Properly set the value of 'old' and 'head' in snapshot mode perf test 6: Fix missing kvm module load for s390 perf report: Fix OOM error in TUI mode on s390 irqchip/meson-gpio: Add support for Meson-G12A SoC media: uvcvideo: Fix access to uninitialized fields on probe error media: fdp1: Support M3N and E3 platforms iommu: Fix a leak in iommu_insert_resv_region gpio: omap: fix lack of irqstatus_raw0 for OMAP4 gpio: omap: ensure irq is enabled before wakeup regmap: fix bulk writes on paged registers bpf: silence warning messages in core media: s5p-mfc: fix reading min scratch buffer size on MFC v6/v7 selinux: fix empty write to keycreate file x86/cpu: Add Ice Lake NNPI to Intel family ASoC: meson: axg-tdm: fix sample clock inversion rcu: Force inlining of rcu_read_lock() x86/cpufeatures: Add FDP_EXCPTN_ONLY and ZERO_FCS_FDS qed: iWARP - Fix tc for MPA ll2 connection net: hns3: fix for skb leak when doing selftest block: null_blk: fix race condition for null_del_dev blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration xfrm: fix sa selector validation sched/core: Add __sched tag for io_schedule() sched/fair: Fix "runnable_avg_yN_inv" not used warnings perf/x86/intel/uncore: Handle invalid event coding for free-running counter x86/atomic: Fix smp_mb__{before,after}_atomic() perf evsel: Make perf_evsel__name() accept a NULL argument vhost_net: disable zerocopy by default ipoib: correcly show a VF hardware address x86/cacheinfo: Fix a -Wtype-limits warning blk-iolatency: only account submitted bios ACPICA: Clear status of GPEs on first direct enable EDAC/sysfs: Fix memory leak when creating a csrow object nvme: fix possible io failures when removing multipathed ns nvme-pci: properly report state change failure in nvme_reset_work nvme-pci: set the errno on ctrl state change error lightnvm: pblk: fix freeing of merged pages arm64: Do not enable IRQs for ct_user_exit ipsec: select crypto ciphers for xfrm_algo ipvs: defer hook registration to avoid leaks media: s5p-mfc: Make additional clocks optional media: i2c: fix warning same module names ntp: Limit TAI-UTC offset timer_list: Guard procfs specific code acpi/arm64: ignore 5.1 FADTs that are reported as 5.0 media: coda: fix mpeg2 sequence number handling media: coda: fix last buffer handling in V4L2_ENC_CMD_STOP media: coda: increment sequence offset for the last returned frame media: vimc: cap: check v4l2_fill_pixfmt return value media: hdpvr: fix locking and a missing msleep net: stmmac: sun8i: force select external PHY when no internal one rtlwifi: rtl8192cu: fix error handle when usb probe failed mt7601u: do not schedule rx_tasklet when the device has been disconnected x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c mt7601u: fix possible memory leak when the device is disconnected ipvs: fix tinfo memory leak in start_sync_thread ath10k: add missing error handling ath10k: fix PCIE device wake up failed perf tools: Increase MAX_NR_CPUS and MAX_CACHES ASoC: Intel: hdac_hdmi: Set ops to NULL on remove libata: don't request sense data on !ZAC ATA devices clocksource/drivers/exynos_mct: Increase priority over ARM arch timer xsk: Properly terminate assignment in xskq_produce_flush_desc rslib: Fix decoding of shortened codes rslib: Fix handling of of caller provided syndrome ixgbe: Check DDM existence in transceiver before access crypto: serpent - mark __serpent_setkey_sbox noinline crypto: asymmetric_keys - select CRYPTO_HASH where needed wil6210: drop old event after wmi_call timeout EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec bcache: check CACHE_SET_IO_DISABLE in allocator code bcache: check CACHE_SET_IO_DISABLE bit in bch_journal() bcache: acquire bch_register_lock later in cached_dev_free() bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush() bcache: fix potential deadlock in cached_def_free() net: hns3: fix a -Wformat-nonliteral compile warning net: hns3: add some error checking in hclge_tm module ath10k: destroy sdio workqueue while remove sdio module net: mvpp2: prs: Don't override the sign bit in SRAM parser shift igb: clear out skb->tstamp after reading the txtime iwlwifi: mvm: Drop large non sta frames bpf: fix uapi bpf_prog_info fields alignment perf stat: Make metric event lookup more robust perf stat: Fix group lookup for metric group bnx2x: Prevent ptp_task to be rescheduled indefinitely net: usb: asix: init MAC address buffers rxrpc: Fix oops in tracepoint bpf, libbpf, smatch: Fix potential NULL pointer dereference selftests: bpf: fix inlines in test_lwt_seg6local bonding: validate ip header before check IPPROTO_IGMP gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants tools: bpftool: Fix json dump crash on powerpc Bluetooth: hci_bcsp: Fix memory leak in rx_skb Bluetooth: Add new 13d3:3491 QCA_ROME device Bluetooth: Add new 13d3:3501 QCA_ROME device Bluetooth: 6lowpan: search for destination address in all peers perf tests: Fix record+probe_libc_inet_pton.sh for powerpc64 Bluetooth: Check state in l2cap_disconnect_rsp gtp: add missing gtp_encap_disable_sock() in gtp_encap_enable() Bluetooth: validate BLE connection interval updates gtp: fix suspicious RCU usage gtp: fix Illegal context switch in RCU read-side critical section. gtp: fix use-after-free in gtp_encap_destroy() gtp: fix use-after-free in gtp_newlink() net: mvmdio: defer probe of orion-mdio if a clock is not ready iavf: fix dereference of null rx_buffer pointer floppy: fix div-by-zero in setup_format_params floppy: fix out-of-bounds read in next_valid_format floppy: fix invalid pointer dereference in drive_name floppy: fix out-of-bounds read in copy_buffer xen: let alloc_xenballooned_pages() fail if not enough memory free scsi: NCR5380: Reduce goto statements in NCR5380_select() scsi: NCR5380: Always re-enable reselection interrupt Revert "scsi: ncr5380: Increase register polling limit" scsi: core: Fix race on creating sense cache scsi: megaraid_sas: Fix calculation of target ID scsi: mac_scsi: Increase PIO/PDMA transfer length threshold scsi: mac_scsi: Fix pseudo DMA implementation, take 2 crypto: ghash - fix unaligned memory access in ghash_setkey() crypto: ccp - Validate the the error value used to index error messages crypto: arm64/sha1-ce - correct digest for empty data in finup crypto: arm64/sha2-ce - correct digest for empty data in finup crypto: chacha20poly1305 - fix atomic sleep when using async algorithm crypto: crypto4xx - fix AES CTR blocksize value crypto: crypto4xx - fix blocksize for cfb and ofb crypto: crypto4xx - block ciphers should only accept complete blocks crypto: ccp - memset structure fields to zero before reuse crypto: ccp/gcm - use const time tag comparison. crypto: crypto4xx - fix a potential double free in ppc4xx_trng_probe Revert "bcache: set CACHE_SET_IO_DISABLE in bch_cached_dev_error()" bcache: Revert "bcache: fix high CPU occupancy during journal" bcache: Revert "bcache: free heap cache_set->flush_btree in bch_journal_free" bcache: ignore read-ahead request failure on backing device bcache: fix mistaken sysfs entry for io_error counter bcache: destroy dc->writeback_write_wq if failed to create dc->writeback_thread Input: gtco - bounds check collection indent level Input: alps - don't handle ALPS cs19 trackpoint-only device Input: synaptics - whitelist Lenovo T580 SMBus intertouch Input: alps - fix a mismatch between a condition check and its comment regulator: s2mps11: Fix buck7 and buck8 wrong voltages arm64: tegra: Update Jetson TX1 GPU regulator timings iwlwifi: pcie: don't service an interrupt that was masked iwlwifi: pcie: fix ALIVE interrupt handling for gen2 devices w/o MSI-X iwlwifi: don't WARN when calling iwl_get_shared_mem_conf with RF-Kill iwlwifi: fix RF-Kill interrupt while FW load for gen2 devices NFSv4: Handle the special Linux file open access mode pnfs/flexfiles: Fix PTR_ERR() dereferences in ff_layout_track_ds_error pNFS: Fix a typo in pnfs_update_layout pnfs: Fix a problem where we gratuitously start doing I/O through the MDS lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE ASoC: dapm: Adapt for debugfs API change raid5-cache: Need to do start() part job after adding journal device ALSA: seq: Break too long mutex context in the write loop ALSA: hda/realtek - Fixed Headphone Mic can't record on Dell platform ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom() media: coda: Remove unbalanced and unneeded mutex unlock media: videobuf2-core: Prevent size alignment wrapping buffer size to 0 media: videobuf2-dma-sg: Prevent size from overflowing KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed arm64: tegra: Fix AGIC register range fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes. kconfig: fix missing choice values in auto.conf drm/nouveau/i2c: Enable i2c pads & busses during preinit padata: use smp_mb in padata_reorder to avoid orphaned padata jobs dm zoned: fix zone state management race xen/events: fix binding user event channels to cpus 9p/xen: Add cleanup path in p9_trans_xen_init 9p/virtio: Add cleanup path in p9_virtio_init x86/boot: Fix memory leak in default_get_smp_config() perf/x86/intel: Fix spurious NMI on fixed counter perf/x86/amd/uncore: Do not set 'ThreadMask' and 'SliceMask' for non-L3 PMCs perf/x86/amd/uncore: Set the thread mask for F17h L3 PMCs drm/edid: parse CEA blocks embedded in DisplayID intel_th: pci: Add Ice Lake NNPI support PCI: hv: Fix a use-after-free bug in hv_eject_device_work() PCI: Do not poll for PME if the device is in D3cold PCI: qcom: Ensure that PERST is asserted for at least 100 ms Btrfs: fix data loss after inode eviction, renaming it, and fsync it Btrfs: fix fsync not persisting dentry deletions due to inode evictions Btrfs: add missing inode version, ctime and mtime updates when punching hole IB/mlx5: Report correctly tag matching rendezvous capability HID: wacom: generic: only switch the mode on devices with LEDs HID: wacom: generic: Correct pad syncing HID: wacom: correct touch resolution x/y typo libnvdimm/pfn: fix fsdax-mode namespace info-block zero-fields coda: pass the host file in vma->vm_file on mmap include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures xfs: fix pagecache truncation prior to reflink xfs: flush removing page cache in xfs_reflink_remap_prep xfs: don't overflow xattr listent buffer xfs: rename m_inotbt_nores to m_finobt_nores xfs: don't ever put nlink > 0 inodes on the unlinked list xfs: reserve blocks for ifree transaction during log recovery xfs: fix reporting supported extra file attributes for statx() xfs: serialize unaligned dio writes against all other dio writes xfs: abort unaligned nowait directio early gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM crypto: caam - limit output IV to CBC to work around CTR mode DMA issue parisc: Ensure userspace privilege for ptraced processes in regset functions parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1 powerpc/32s: fix suspend/resume when IBATs 4-7 are used powerpc/watchpoint: Restore NV GPRs while returning from exception powerpc/powernv/npu: Fix reference leak powerpc/pseries: Fix oops in hotplug memory notifier mmc: sdhci-msm: fix mutex while in spinlock eCryptfs: fix a couple type promotion bugs mtd: rawnand: mtk: Correct low level time calculation of r/w cycle mtd: spinand: read returns badly if the last page has bitflips intel_th: msu: Fix single mode with disabled IOMMU Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug usb: Handle USB3 remote wakeup for LPM enabled devices correctly blk-throttle: fix zero wait time for iops throttled group blk-iolatency: clear use_delay when io.latency is set to zero blkcg: update blkcg_print_stat() to handle larger outputs net: mvmdio: allow up to four clocks to be specified for orion-mdio dt-bindings: allow up to four clocks for orion-mdio dm bufio: fix deadlock with loop device Linux 4.19.61 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Iac73da7ad6363743eb8c31f204ebd579950f8654 |
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Seeteena Thoufeek
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3b57b7a3a8 |
perf tests: Fix record+probe_libc_inet_pton.sh for powerpc64
[ Upstream commit bff5a556c149804de29347a88a884d25e4e4e3a2 ] 'probe libc's inet_pton & backtrace it with ping' testcase sometimes fails on powerpc because distro ping binary does not have symbol information and thus it prints "[unknown]" function name in the backtrace. Accept "[unknown]" as valid function name for powerpc as well. # perf test -v "probe libc's inet_pton & backtrace it with ping" Before: 59: probe libc's inet_pton & backtrace it with ping : --- start --- test child forked, pid 79695 ping 79718 [077] 96483.787025: probe_libc:inet_pton: (7fff83a754c8) 7fff83a754c8 __GI___inet_pton+0x8 (/usr/lib64/power9/libc-2.28.so) 7fff83a2b7a0 gaih_inet.constprop.7+0x1020 (/usr/lib64/power9/libc-2.28.so) 7fff83a2c170 getaddrinfo+0x160 (/usr/lib64/power9/libc-2.28.so) 1171830f4 [unknown] (/usr/bin/ping) FAIL: expected backtrace entry ".*\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" got "1171830f4 [unknown] (/usr/bin/ping)" test child finished with -1 ---- end ---- probe libc's inet_pton & backtrace it with ping: FAILED! After: 59: probe libc's inet_pton & backtrace it with ping : --- start --- test child forked, pid 79085 ping 79108 [045] 96400.214177: probe_libc:inet_pton: (7fffbb9654c8) 7fffbb9654c8 __GI___inet_pton+0x8 (/usr/lib64/power9/libc-2.28.so) 7fffbb91b7a0 gaih_inet.constprop.7+0x1020 (/usr/lib64/power9/libc-2.28.so) 7fffbb91c170 getaddrinfo+0x160 (/usr/lib64/power9/libc-2.28.so) 132e830f4 [unknown] (/usr/bin/ping) test child finished with 0 ---- end ---- probe libc's inet_pton & backtrace it with ping: Ok Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com> Reviewed-by: Kim Phillips <kim.phillips@amd.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sandipan Das <sandipan@linux.ibm.com> Fixes: 1632936480a5 ("perf tests: Fix record+probe_libc_inet_pton.sh without ping's debuginfo") Link: http://lkml.kernel.org/r/1561630614-3216-1-git-send-email-s1seetee@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Jiri Olsa
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9d47bd2175 |
tools: bpftool: Fix json dump crash on powerpc
[ Upstream commit aa52bcbe0e72fac36b1862db08b9c09c4caefae3 ]
Michael reported crash with by bpf program in json mode on powerpc:
# bpftool prog -p dump jited id 14
[{
"name": "0xd00000000a9aa760",
"insns": [{
"pc": "0x0",
"operation": "nop",
"operands": [null
]
},{
"pc": "0x4",
"operation": "nop",
"operands": [null
]
},{
"pc": "0x8",
"operation": "mflr",
Segmentation fault (core dumped)
The code is assuming char pointers in format, which is not always
true at least for powerpc. Fixing this by dumping the whole string
into buffer based on its format.
Please note that libopcodes code does not check return values from
fprintf callback, but as per Jakub suggestion returning -1 on allocation
failure so we do the best effort to propagate the error.
Fixes:
|
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Jiri Benc
|
88f751b066 |
selftests: bpf: fix inlines in test_lwt_seg6local
[ Upstream commit 11aca65ec4db09527d3e9b6b41a0615b7da4386b ]
Selftests are reporting this failure in test_lwt_seg6local.sh:
+ ip netns exec ns2 ip -6 route add fb00::6 encap bpf in obj test_lwt_seg6local.o sec encap_srh dev veth2
Error fetching program/map!
Failed to parse eBPF program: Operation not permitted
The problem is __attribute__((always_inline)) alone is not enough to prevent
clang from inserting those functions in .text. In that case, .text is not
marked as relocateable.
See the output of objdump -h test_lwt_seg6local.o:
Idx Name Size VMA LMA File off Algn
0 .text 00003530 0000000000000000 0000000000000000 00000040 2**3
CONTENTS, ALLOC, LOAD, READONLY, CODE
This causes the iproute bpf loader to fail in bpf_fetch_prog_sec:
bpf_has_call_data returns true but bpf_fetch_prog_relo fails as there's no
relocateable .text section in the file.
To fix this, convert to 'static __always_inline'.
v2: Use 'static __always_inline' instead of 'static inline
__attribute__((always_inline))'
Fixes:
|
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Leo Yan
|
ef5b204336 |
bpf, libbpf, smatch: Fix potential NULL pointer dereference
[ Upstream commit 33bae185f74d49a0d7b1bfaafb8e959efce0f243 ] Based on the following report from Smatch, fix the potential NULL pointer dereference check: tools/lib/bpf/libbpf.c:3493 bpf_prog_load_xattr() warn: variable dereferenced before check 'attr' (see line 3483) 3479 int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr, 3480 struct bpf_object **pobj, int *prog_fd) 3481 { 3482 struct bpf_object_open_attr open_attr = { 3483 .file = attr->file, 3484 .prog_type = attr->prog_type, ^^^^^^ 3485 }; At the head of function, it directly access 'attr' without checking if it's NULL pointer. This patch moves the values assignment after validating 'attr' and 'attr->file'. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Andi Kleen
|
e358d2ab42 |
perf stat: Fix group lookup for metric group
[ Upstream commit 2f87f33f4226523df9c9cc28f9874ea02fcc3d3f ]
The metric group code tries to find a group it added earlier in the
evlist. Fix the lookup to handle groups with partially overlaps
correctly. When a sub string match fails and we reset the match, we have
to compare the first element again.
I also renamed the find_evsel function to find_evsel_group to make its
purpose clearer.
With the earlier changes this fixes:
Before:
% perf stat -M UPI,IPC sleep 1
...
1,032,922 uops_retired.retire_slots # 1.1 UPI
1,896,096 inst_retired.any
1,896,096 inst_retired.any
1,177,254 cpu_clk_unhalted.thread
After:
% perf stat -M UPI,IPC sleep 1
...
1,013,193 uops_retired.retire_slots # 1.1 UPI
932,033 inst_retired.any
932,033 inst_retired.any # 0.9 IPC
1,091,245 cpu_clk_unhalted.thread
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Fixes:
|
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Andi Kleen
|
a64e018be7 |
perf stat: Make metric event lookup more robust
[ Upstream commit 145c407c808352acd625be793396fd4f33c794f8 ] After setting up metric groups through the event parser, the metricgroup code looks them up again in the event list. Make sure we only look up events that haven't been used by some other metric. The data structures currently cannot handle more than one metric per event. This avoids problems with multiple events partially overlapping. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Link: http://lkml.kernel.org/r/20190624193711.35241-2-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Baruch Siach
|
7343178ccf |
bpf: fix uapi bpf_prog_info fields alignment
[ Upstream commit 0472301a28f6cf53a6bc5783e48a2d0bbff4682f ] Merge commit |
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Kyle Meyer
|
1182ff2248 |
perf tools: Increase MAX_NR_CPUS and MAX_CACHES
[ Upstream commit 9f94c7f947e919c343b30f080285af53d0fa9902 ] Attempting to profile 1024 or more CPUs with perf causes two errors: perf record -a [ perf record: Woken up X times to write data ] way too many cpu caches.. [ perf record: Captured and wrote X MB perf.data (X samples) ] perf report -C 1024 Error: failed to set cpu bitmap Requested CPU 1024 too large. Consider raising MAX_NR_CPUS Increasing MAX_NR_CPUS from 1024 to 2048 and redefining MAX_CACHES as MAX_NR_CPUS * 4 returns normal functionality to perf: perf record -a [ perf record: Woken up X times to write data ] [ perf record: Captured and wrote X MB perf.data (X samples) ] perf report -C 1024 ... Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190620193630.154025-1-meyerk@stormcage.eag.rdlabs.hpecorp.net Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Arnaldo Carvalho de Melo
|
4c57957ed6 |
perf evsel: Make perf_evsel__name() accept a NULL argument
[ Upstream commit fdbdd7e8580eac9bdafa532746c865644d125e34 ] In which case it simply returns "unknown", like when it can't figure out the evsel->name value. This makes this code more robust and fixes a problem in 'perf trace' where a NULL evsel was being passed to a routine that only used the evsel for printing its name when a invalid syscall id was passed. Reported-by: Leo Yan <leo.yan@linaro.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-f30ztaasku3z935cn3ak3h53@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
Thomas Richter
|
eac8b39d08 |
perf report: Fix OOM error in TUI mode on s390
[ Upstream commit 8a07aa4e9b7b0222129c07afff81634a884b2866 ] Debugging a OOM error using the TUI interface revealed this issue on s390: [tmricht@m83lp54 perf]$ cat /proc/kallsyms |sort .... 00000001119b7158 B radix_tree_node_cachep 00000001119b8000 B __bss_stop 00000001119b8000 B _end 000003ff80002850 t autofs_mount [autofs4] 000003ff80002868 t autofs_show_options [autofs4] 000003ff80002a98 t autofs_evict_inode [autofs4] .... There is a huge gap between the last kernel symbol __bss_stop/_end and the first kernel module symbol autofs_mount (from autofs4 module). After reading the kernel symbol table via functions: dso__load() +--> dso__load_kernel_sym() +--> dso__load_kallsyms() +--> __dso_load_kallsyms() +--> symbols__fixup_end() the symbol __bss_stop has a start address of 1119b8000 and an end address of 3ff80002850, as can be seen by this debug statement: symbols__fixup_end __bss_stop start:0x1119b8000 end:0x3ff80002850 The size of symbol __bss_stop is 0x3fe6e64a850 bytes! It is the last kernel symbol and fills up the space until the first kernel module symbol. This size kills the TUI interface when executing the following code: process_sample_event() hist_entry_iter__add() hist_iter__report_callback() hist_entry__inc_addr_samples() symbol__inc_addr_samples(symbol = __bss_stop) symbol__cycles_hist() annotated_source__alloc_histograms(..., symbol__size(sym), ...) This function allocates memory to save sample histograms. The symbol_size() marco is defined as sym->end - sym->start, which results in above value of 0x3fe6e64a850 bytes and the call to calloc() in annotated_source__alloc_histograms() fails. The histgram memory allocation might fail, make this failure no-fatal and continue processing. Output before: [tmricht@m83lp54 perf]$ ./perf --debug stderr=1 report -vvvvv \ -i ~/slow.data 2>/tmp/2 [tmricht@m83lp54 perf]$ tail -5 /tmp/2 __symbol__inc_addr_samples(875): ENOMEM! sym->name=__bss_stop, start=0x1119b8000, addr=0x2aa0005eb08, end=0x3ff80002850, func: 0 problem adding hist entry, skipping event 0x938b8 [0x8]: failed to process type: 68 [Cannot allocate memory] [tmricht@m83lp54 perf]$ Output after: [tmricht@m83lp54 perf]$ ./perf --debug stderr=1 report -vvvvv \ -i ~/slow.data 2>/tmp/2 [tmricht@m83lp54 perf]$ tail -5 /tmp/2 symbol__inc_addr_samples map:0x1597830 start:0x110730000 end:0x3ff80002850 symbol__hists notes->src:0x2aa2a70 nr_hists:1 symbol__inc_addr_samples sym:unlink_anon_vmas src:0x2aa2a70 __symbol__inc_addr_samples: addr=0x11094c69e 0x11094c670 unlink_anon_vmas: period++ [addr: 0x11094c69e, 0x2e, evidx=0] => nr_samples: 1, period: 526008 [tmricht@m83lp54 perf]$ There is no error about failed memory allocation and the TUI interface shows all entries. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/90cb5607-3e12-5167-682d-978eba7dafa8@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Thomas Richter
|
be32a9dc3f |
perf test 6: Fix missing kvm module load for s390
[ Upstream commit 53fe307dfd309e425b171f6272d64296a54f4dff ] Command # perf test -Fv 6 fails with error running test 100 'kvm-s390:kvm_s390_create_vm' failed to parse event 'kvm-s390:kvm_s390_create_vm', err -1, str 'unknown tracepoint' event syntax error: 'kvm-s390:kvm_s390_create_vm' \___ unknown tracepoint when the kvm module is not loaded or not built in. Fix this by adding a valid function which tests if the module is loaded. Loaded modules (or builtin KVM support) have a directory named /sys/kernel/debug/tracing/events/kvm-s390 for this tracepoint. Check for existence of this directory. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20190604053504.43073-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Mathieu Poirier
|
3662d8bca0 |
perf cs-etm: Properly set the value of 'old' and 'head' in snapshot mode
[ Upstream commit e45c48a9a4d20ebc7b639a62c3ef8f4b08007027 ] This patch adds the necessary intelligence to properly compute the value of 'old' and 'head' when operating in snapshot mode. That way we can get the latest information in the AUX buffer and be compatible with the generic AUX ring buffer mechanic. Tester notes: > Leo, have you had the chance to test/review this one? Suzuki? Sure. I applied this patch on the perf/core branch (with latest commit 3e4fbf36c1e3 'perf augmented_raw_syscalls: Move reading filename to the loop') and passed testing with below steps: # perf record -e cs_etm/@tmc_etr0/ -S -m,64 --per-thread ./sort & [1] 19097 Bubble sorting array of 30000 elements # kill -USR2 19097 # kill -USR2 19097 # kill -USR2 19097 [ perf record: Woken up 4 times to write data ] [ perf record: Captured and wrote 0.753 MB perf.data ] Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Tested-by: Leo Yan <leo.yan@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190605161633.12245-1-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Jiri Olsa
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713737cac3 |
perf jvmti: Address gcc string overflow warning for strncpy()
[ Upstream commit 279ab04dbea1370d2eac0f854270369ccaef8a44 ] We are getting false positive gcc warning when we compile with gcc9 (9.1.1): CC jvmti/libjvmti.o In file included from /usr/include/string.h:494, from jvmti/libjvmti.c:5: In function ‘strncpy’, inlined from ‘copy_class_filename.constprop’ at jvmti/libjvmti.c:166:3: /usr/include/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ specified bound depends on the length of the source argument [-Werror=stringop-overflow=] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ jvmti/libjvmti.c: In function ‘copy_class_filename.constprop’: jvmti/libjvmti.c:165:26: note: length computed here 165 | size_t file_name_len = strlen(file_name); | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors As per Arnaldo's suggestion use strlcpy(), which does the same thing and keeps gcc silent. Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ben Gainey <ben.gainey@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20190531131321.GB1281@krava Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Abhishek Goel
|
c360eb5929 |
cpupower : frequency-set -r option misses the last cpu in related cpu list
[ Upstream commit 04507c0a9385cc8280f794a36bfff567c8cc1042 ] To set frequency on specific cpus using cpupower, following syntax can be used : cpupower -c #i frequency-set -f #f -r While setting frequency using cpupower frequency-set command, if we use '-r' option, it is expected to set frequency for all cpus related to cpu #i. But it is observed to be missing the last cpu in related cpu list. This patch fixes the problem. Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com> Reviewed-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Arnaldo Carvalho de Melo
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a6dd4862b9 |
perf annotate TUI browser: Do not use member from variable within its own initialization
[ Upstream commit da2019633f0b5c105ce658aada333422d8cb28fe ]
Some compilers will complain when using a member of a struct to
initialize another member, in the same struct initialization.
For instance:
debian:8 Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
oraclelinux:7 clang version 3.4.2 (tags/RELEASE_34/dot2-final)
Produce:
ui/browsers/annotate.c:104:12: error: variable 'ops' is uninitialized when used within its own initialization [-Werror,-Wuninitialized]
(!ops.current_entry ||
^~~
1 error generated.
So use an extra variable, initialized just before that struct, to have
the value used in the expressions used to init two of the struct
members.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes:
|
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Greg Kroah-Hartman
|
2b34bd7b80 |
This is the 4.19.59 stable release
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Input: imx_keypad - make sure keyboard can always wake up system KVM: arm/arm64: vgic: Fix kvm_device leak in vgic_its_destroy mlxsw: spectrum: Disallow prio-tagged packets when PVID is removed ARM: davinci: da850-evm: call regulator_has_full_constraints() ARM: davinci: da8xx: specify dma_coherent_mask for lcdc mac80211: only warn once on chanctx_conf being NULL mac80211: do not start any work during reconfigure flow bpf, devmap: Fix premature entry free on destroying map bpf, devmap: Add missing bulk queue free bpf, devmap: Add missing RCU read lock on flush bpf, x64: fix stack layout of JITed bpf code qmi_wwan: add support for QMAP padding in the RX path qmi_wwan: avoid RCU stalls on device disconnect when in QMAP mode qmi_wwan: extend permitted QMAP mux_id value range mmc: core: complete HS400 before checking status md: fix for divide error in status_resync bnx2x: Check if transceiver implements DDM before access drm: return -EFAULT if copy_to_user() fails ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL net: lio_core: fix potential sign-extension overflow on large shift scsi: qedi: Check targetname while finding boot target information quota: fix a problem about transfer quota net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge() NFS4: Only set creation opendata if O_CREAT net :sunrpc :clnt :Fix xps refcount imbalance on the error path fscrypt: don't set policy for a dead directory udf: Fix incorrect final NOT_ALLOCATED (hole) extent length media: stv0297: fix frequency range limit ALSA: usb-audio: Fix parse of UAC2 Extension Units ALSA: hda/realtek - Headphone Mic can't record after S3 block, bfq: NULL out the bic when it's no longer valid perf pmu: Fix uncore PMU alias list for ARM64 x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg() x86/tls: Fix possible spectre-v1 in do_get_thread_area() Documentation: Add section about CPU vulnerabilities for Spectre Documentation/admin: Remove the vsyscall=native documentation mwifiex: Abort at too short BSS descriptor element mwifiex: Don't abort on small, spec-compliant vendor IEs USB: serial: ftdi_sio: add ID for isodebug v1 USB: serial: option: add support for GosunCn ME3630 RNDIS mode Revert "serial: 8250: Don't service RX FIFO if interrupts are disabled" p54usb: Fix race between disconnect and firmware loading usb: gadget: ether: Fix race between gether_disconnect and rx_submit usb: dwc2: use a longer AHB idle timeout in dwc2_core_reset() usb: renesas_usbhs: add a workaround for a race condition of workqueue drivers/usb/typec/tps6598x.c: fix portinfo width drivers/usb/typec/tps6598x.c: fix 4CC cmd write staging: comedi: dt282x: fix a null pointer deref on interrupt staging: comedi: amplc_pci230: fix null pointer deref on interrupt HID: Add another Primax PIXART OEM mouse quirk lkdtm: support llvm-objcopy binder: fix memory leak in error path carl9170: fix misuse of device driver API VMCI: Fix integer overflow in VMCI handle arrays MIPS: Remove superfluous check for __linux__ staging: fsl-dpaa2/ethsw: fix memory leak of switchdev_work staging: bcm2835-camera: Replace spinlock protecting context_map with mutex staging: bcm2835-camera: Ensure all buffers are returned on disable staging: bcm2835-camera: Remove check of the number of buffers supplied staging: bcm2835-camera: Handle empty EOS buffers whilst streaming staging: rtl8712: reduce stack usage, again Linux 4.19.59 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I4d022ea019095cce9b418cba11efab636e538919 |
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John Garry
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d8e26651ce |
perf pmu: Fix uncore PMU alias list for ARM64
commit 599ee18f0740d7661b8711249096db94c09bc508 upstream. In commit |
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Greg Kroah-Hartman
|
a3638217e2 |
This is the 4.19.58 stable release
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return a non-zero on error only spi: bitbang: Fix NULL pointer dereference in spi_unregister_master drm/mediatek: fix unbind functions drm/mediatek: unbind components in mtk_drm_unbind() drm/mediatek: call drm_atomic_helper_shutdown() when unbinding driver drm/mediatek: clear num_pipes when unbind driver drm/mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable() ASoC: max98090: remove 24-bit format support if RJ is 0 ASoC: sun4i-i2s: Fix sun8i tx channel offset mask ASoC: sun4i-i2s: Add offset to RX channel select x86/CPU: Add more Icelake model numbers usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i] usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC ALSA: hdac: fix memory release for SST and SOF drivers SoC: rt274: Fix internal jack assignment in set_jack callback scsi: hpsa: correct ioaccel2 chaining drm: panel-orientation-quirks: Add quirk for GPD pocket2 drm: panel-orientation-quirks: Add quirk for GPD MicroPC platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi platform/x86: intel-vbtn: Report switch events when event wakes device platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow i2c: pca-platform: Fix GPIO lookup code cpuset: restore sanity to cpuset_cpus_allowed_fallback() scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE mm/mlock.c: change count_mm_mlocked_page_nr return type tracing: avoid build warning with HAVE_NOP_MCOUNT module: Fix livepatch/ftrace module text permissions race ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper() drm/i915/dmc: protect against reading random memory ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME crypto: user - prevent operating on larval algorithms crypto: cryptd - Fix skcipher instance memory leak ALSA: seq: fix incorrect order of dest_client/dest_ports arguments ALSA: firewire-lib/fireworks: fix miss detection of received MIDI messages ALSA: line6: Fix write on zero-sized buffer ALSA: usb-audio: fix sign unintended sign extension on left shifts ALSA: hda/realtek: Add quirks for several Clevo notebook barebones ALSA: hda/realtek - Change front mic location for Lenovo M710q lib/mpi: Fix karactx leak in mpi_powm fs/userfaultfd.c: disable irqs for fault_pending and event locks tracing/snapshot: Resize spare buffer if size changed ARM: dts: armada-xp-98dx3236: Switch to armada-38x-uart serial node arm64: kaslr: keep modules inside module region when KASAN is enabled drm/amd/powerplay: use hardware fan control if no powerplay fan table drm/amdgpu/gfx9: use reset default for PA_SC_FIFO_SIZE drm/etnaviv: add missing failure path to destroy suballoc drm/imx: notify drm core before sending event during crtc disable drm/imx: only send event on crtc disable if kept disabled ftrace/x86: Remove possible deadlock between register_kprobe() and ftrace_run_update_code() mm/vmscan.c: prevent useless kswapd loops btrfs: Ensure replaced device doesn't have pending chunk allocation tty: rocket: fix incorrect forward declaration of 'rp_init()' mlxsw: spectrum: Handle VLAN device unlinking net/smc: move unhash before release of clcsock media: s5p-mfc: fix incorrect bus assignment in virtual child device drm/fb-helper: generic: Don't take module ref for fbcon f2fs: don't access node/meta inode mapping after iput mac80211: mesh: fix missing unlock on error in table_path_del() scsi: tcmu: fix use after free selftests: fib_rule_tests: Fix icmp proto with ipv6 x86/boot/compressed/64: Do not corrupt EDX on EFER.LME=1 setting net: hns: Fixes the missing put_device in positive leg for roce reset ALSA: hda: Initialize power_state field properly rds: Fix warning. ip6: fix skb leak in ip6frag_expire_frag_queue() netfilter: ipv6: nf_defrag: fix leakage of unqueued fragments sc16is7xx: move label 'err_spi' to correct section net: hns: fix unsigned comparison to less than zero bpf: fix bpf_jit_limit knob for PAGE_SIZE >= 64K netfilter: ipv6: nf_defrag: accept duplicate fragments again KVM: x86: degrade WARN to pr_warn_ratelimited KVM: LAPIC: Fix pending interrupt in IRR blocked by software disable LAPIC nfsd: Fix overflow causing non-working mounts on 1 TB machines svcrdma: Ignore source port when computing DRC hash MIPS: Fix bounds check virt_addr_valid MIPS: Add missing EHB in mtc0 -> mfc0 sequence. MIPS: have "plain" make calls build dtbs for selected platforms dmaengine: qcom: bam_dma: Fix completed descriptors count dmaengine: imx-sdma: remove BD_INTR for channel0 Linux 4.19.58 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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David Ahern
|
b91ec6ae14 |
selftests: fib_rule_tests: Fix icmp proto with ipv6
[ Upstream commit 15d55bae4e3c43cd9f87fd93c73a263e172d34e1 ] A recent commit returns an error if icmp is used as the ip-proto for IPv6 fib rules. Update fib_rule_tests to send ipv6-icmp instead of icmp. Fixes: 5e1a99eae8499 ("ipv4: Add ICMPv6 support when parse route ipproto") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Greg Kroah-Hartman
|
01a3fc70b5 |
This is the 4.19.57 stable release
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strncpy() perf header: Fix unchecked usage of strncpy() arm64: Don't unconditionally add -Wno-psabi to KBUILD_CFLAGS Revert "x86/uaccess, ftrace: Fix ftrace_likely_update() vs. SMAP" IB/hfi1: Close PSM sdma_progress sleep window 9p/xen: fix check for xenbus_read error in front_probe 9p: Use a slab for allocating requests 9p: embed fcall in req to round down buffer allocs 9p: add a per-client fcall kmem_cache 9p: rename p9_free_req() function 9p: Add refcount to p9_req_t 9p/rdma: do not disconnect on down_interruptible EAGAIN 9p: Rename req to rreq in trans_fd 9p: acl: fix uninitialized iattr access 9p/rdma: remove useless check in cm_event_handler 9p: p9dirent_read: check network-provided name length 9p: potential NULL dereference 9p/trans_fd: abort p9_read_work if req status changed 9p/trans_fd: put worker reqs on destroy net/9p: include trans_common.h to fix missing prototype warning. qmi_wwan: Fix out-of-bounds read Revert "usb: dwc3: gadget: Clear req->needs_extra_trb flag on cleanup" usb: dwc3: gadget: combine unaligned and zero flags usb: dwc3: gadget: track number of TRBs per request usb: dwc3: gadget: use num_trbs when skipping TRBs on ->dequeue() usb: dwc3: gadget: extract dwc3_gadget_ep_skip_trbs() usb: dwc3: gadget: introduce cancelled_list usb: dwc3: gadget: move requests to cancelled_list usb: dwc3: gadget: remove wait_end_transfer usb: dwc3: gadget: Clear req->needs_extra_trb flag on cleanup fs/proc/array.c: allow reporting eip/esp for all coredumping threads mm/mempolicy.c: fix an incorrect rebind node in mpol_rebind_nodemask fs/binfmt_flat.c: make load_flat_shared_library() work clk: socfpga: stratix10: fix divider entry for the emac clocks mm: soft-offline: return -EBUSY if set_hwpoison_free_buddy_page() fails mm: hugetlb: soft-offline: dissolve_free_huge_page() return zero on !PageHuge mm/page_idle.c: fix oops because end_pfn is larger than max_pfn dm log writes: make sure super sector log updates are written in order scsi: vmw_pscsi: Fix use-after-free in pvscsi_queue_lck() x86/speculation: Allow guests to use SSBD even if host does not x86/microcode: Fix the microcode load on CPU hotplug for real x86/resctrl: Prevent possible overrun during bitmap operations KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT NFS/flexfiles: Use the correct TCP timeout for flexfiles I/O cpu/speculation: Warn on unsupported mitigations= parameter SUNRPC: Clean up initialisation of the struct rpc_rqst irqchip/mips-gic: Use the correct local interrupt map registers eeprom: at24: fix unexpected timeout under high load af_packet: Block execution of tasks waiting for transmit to complete in AF_PACKET bonding: Always enable vlan tx offload ipv4: Use return value of inet_iif() for __raw_v4_lookup in the while loop net/packet: fix memory leak in packet_set_ring() net: remove duplicate fetch in sock_getsockopt net: stmmac: fixed new system time seconds value calculation net: stmmac: set IC bit when transmitting frames with HW timestamp sctp: change to hold sk after auth shkey is created successfully team: Always enable vlan tx offload tipc: change to use register_pernet_device tipc: check msg->req data len in tipc_nl_compat_bearer_disable tun: wake up waitqueues after IFF_UP is set bpf: simplify definition of BPF_FIB_LOOKUP related flags bpf: lpm_trie: check left child of last leftmost node for NULL bpf: fix nested bpf tracepoints with per-cpu data bpf: fix unconnected udp hooks bpf: udp: Avoid calling reuseport's bpf_prog from udp_gro bpf: udp: ipv6: Avoid running reuseport's bpf_prog from __udp6_lib_err arm64: futex: Avoid copying out uninitialised stack in failed cmpxchg() bpf, arm64: use more scalable stadd over ldxr / stxr loop in xadd futex: Update comments and docs about return values of arch futex code RDMA: Directly cast the sockaddr union to sockaddr tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb usb: dwc3: Reset num_trbs after skipping arm64: insn: Fix ldadd instruction encoding Linux 4.19.57 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
||
Jonathan Lemon
|
4992d4af58 |
bpf: lpm_trie: check left child of last leftmost node for NULL
commit da2577fdd0932ea4eefe73903f1130ee366767d2 upstream.
If the leftmost parent node of the tree has does not have a child
on the left side, then trie_get_next_key (and bpftool map dump) will
not look at the child on the right. This leads to the traversal
missing elements.
Lookup is not affected.
Update selftest to handle this case.
Reproducer:
bpftool map create /sys/fs/bpf/lpm type lpm_trie key 6 \
value 1 entries 256 name test_lpm flags 1
bpftool map update pinned /sys/fs/bpf/lpm key 8 0 0 0 0 0 value 1
bpftool map update pinned /sys/fs/bpf/lpm key 16 0 0 0 0 128 value 2
bpftool map dump pinned /sys/fs/bpf/lpm
Returns only 1 element. (2 expected)
Fixes:
|
||
Arnaldo Carvalho de Melo
|
6461a4543b |
perf header: Fix unchecked usage of strncpy()
commit 5192bde7d98c99f2cd80225649e3c2e7493722f7 upstream.
The strncpy() function may leave the destination string buffer
unterminated, better use strlcpy() that we have a __weak fallback
implementation for systems without it.
This fixes this warning on an Alpine Linux Edge system with gcc 8.2:
util/header.c: In function 'perf_event__synthesize_event_update_name':
util/header.c:3625:2: error: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
strncpy(ev->data, evsel->name, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
util/header.c:3618:15: note: length computed here
size_t len = strlen(evsel->name);
^~~~~~~~~~~~~~~~~~~
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes:
|
||
Arnaldo Carvalho de Melo
|
0bf5d53b53 |
perf help: Remove needless use of strncpy()
commit b6313899f4ed2e76b8375cf8069556f5b94fbff0 upstream.
Since we make sure the destination buffer has at least strlen(orig) + 1,
no need to do a strncpy(dest, orig, strlen(orig)), just use strcpy(dest,
orig).
This silences this gcc 8.2 warning on Alpine Linux:
In function 'add_man_viewer',
inlined from 'perf_help_config' at builtin-help.c:284:3:
builtin-help.c:192:2: error: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
strncpy((*p)->name, name, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
builtin-help.c: In function 'perf_help_config':
builtin-help.c:187:15: note: length computed here
size_t len = strlen(name);
^~~~~~~~~~~~
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes:
|
||
Arnaldo Carvalho de Melo
|
6e75d9272c |
perf ui helpline: Use strlcpy() as a shorter form of strncpy() + explicit set nul
commit 4d0f16d059ddb91424480d88473f7392f24aebdc upstream.
The strncpy() function may leave the destination string buffer
unterminated, better use strlcpy() that we have a __weak fallback
implementation for systems without it.
In this case we are actually setting the null byte at the right place,
but since we pass the buffer size as the limit to strncpy() and not
it minus one, gcc ends up warning us about that, see below. So, lets
just switch to the shorter form provided by strlcpy().
This fixes this warning on an Alpine Linux Edge system with gcc 8.2:
ui/tui/helpline.c: In function 'tui_helpline__push':
ui/tui/helpline.c:27:2: error: 'strncpy' specified bound 512 equals destination size [-Werror=stringop-truncation]
strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0';
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Fixes:
|
||
Greg Kroah-Hartman
|
5b01d52366 |
This is the 4.19.56 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl0RlqIACgkQONu9yGCS aT5MEQ/9Ftd5Y4EmSSeuRYZle8Dx9t15sR3mBtaKTdKk96KtVvlQNJhFEsm4IdrS O7IlUrR40ED3bqhOcFMUSvJOFiTnqJeMr0l5ukUMilszV6KO3Nhe0OX1huIA63bY EgoS+4YFcI0aDuVytTbI6wnW3f0KjxmCSWF0RgN7fQMgWa9ulBTjfXhUlQsnAVIM zVWS3K6VDjmxskTP6qmrt6OGgSFFy95drYoHG2wYiqGxIH1gCyHQAchWu6CPn92s rbzgzVeEYLpKGHlfWUfbIYSYOprVm4WXISqLABT4vDiWGFWey/g1dlIqI7gslLmN DpcSphYZo7xiW0Fh76zwh/n61lo7W2loho8k9VxxQR1hmgiYrMFEN7T1SyL7OgQ8 eplY50JOZN0OgW6HGa0ad2noUImKQccufGwsOCVlTxxAIn7qVgaGu2LtuBGb2P1o C6rBOSQ1LyRikOw1/ElIWxwnBJ9p+JjFhEH94HoFB7wyaROFfl+9LJvXt9zLop0E G0oG2QIp/+cusYY3h+eeMtw8gqa0oOnvwiaEbd7y1JVandjFBR01O0Uv0h+VKwSC HsBGnj2BpF8p3FYNXRVb4Wiii0QyWYjnDbrtndzLFj/fLOvR8bDb8HKBLOStm1UC 8PUc0w+sFo2tZ60Z4kXgkLL2yiiE/rQcDF0SsEgtFe4RTr7Feys= =GLuP -----END PGP SIGNATURE----- Merge 4.19.56 into android-4.19-q Changes in 4.19.56 tracing: Silence GCC 9 array bounds warning objtool: Support per-function rodata sections gcc-9: silence 'address-of-packed-member' warning ovl: support the FS_IOC_FS[SG]ETXATTR ioctls ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls ovl: make i_ino consistent with st_ino in more cases ovl: detect overlapping layers ovl: don't fail with disconnected lower NFS ovl: fix bogus -Wmaybe-unitialized warning s390/jump_label: Use "jdd" constraint on gcc9 s390/ap: rework assembler functions to use unions for in/out register variables mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning mmc: core: API to temporarily disable retuning for SDIO CRC errors mmc: core: Add sdio_retune_hold_now() and sdio_retune_release() mmc: core: Prevent processing SDIO IRQs when the card is suspended scsi: ufs: Avoid runtime suspend possibly being blocked forever usb: chipidea: udc: workaround for endpoint conflict issue xhci: detect USB 3.2 capable host controllers correctly usb: xhci: Don't try to recover an endpoint if port is in error state. IB/hfi1: Validate fault injection opcode user input IB/hfi1: Silence txreq allocation warnings iio: temperature: mlx90632 Relax the compatibility check Input: synaptics - enable SMBus on ThinkPad E480 and E580 Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD Input: silead - add MSSL0017 to acpi_device_id apparmor: fix PROFILE_MEDIATES for untrusted input apparmor: enforce nullbyte at end of tag string brcmfmac: sdio: Disable auto-tuning around commands expected to fail brcmfmac: sdio: Don't tune while the card is off ARC: fix build warnings dmaengine: dw-axi-dmac: fix null dereference when pointer first is null dmaengine: sprd: Fix block length overflow ARC: [plat-hsdk]: Add missing multicast filter bins number to GMAC node ARC: [plat-hsdk]: Add missing FIFO size entry in GMAC node fpga: dfl: afu: Pass the correct device to dma_mapping_error() fpga: dfl: Add lockdep classes for pdata->lock parport: Fix mem leak in parport_register_dev_model parisc: Fix compiler warnings in float emulation code IB/rdmavt: Fix alloc_qpn() WARN_ON() IB/hfi1: Insure freeze_work work_struct is canceled on shutdown IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value IB/hfi1: Validate page aligned for a given virtual address MIPS: uprobes: remove set but not used variable 'epc' xtensa: Fix section mismatch between memblock_reserve and mem_reserve kselftest/cgroup: fix unexpected testing failure on test_memcontrol kselftest/cgroup: fix unexpected testing failure on test_core kselftest/cgroup: fix incorrect test_core skip selftests: vm: install test_vmalloc.sh for run_vmtests net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0 net: hns: Fix loopback test failed at copper ports mdesc: fix a missing-check bug in get_vdev_port_node_info() sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD net: ethernet: mediatek: Use hw_feature to judge if HWLRO is supported net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is enabled drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times drm/arm/hdlcd: Actually validate CRTC modes drm/arm/hdlcd: Allow a bit of clock tolerance nvmet: fix data_len to 0 for bdev-backed write_zeroes scripts/checkstack.pl: Fix arm64 wrong or unknown architecture scsi: ufs: Check that space was properly alloced in copy_query_response scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous() net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set s390/qeth: fix VLAN attribute in bridge_hostnotify udev event hwmon: (core) add thermal sensors only if dev->of_node is present hwmon: (pmbus/core) Treat parameters as paged if on multiple pages arm64: Silence gcc warnings about arch ABI drift nvme: Fix u32 overflow in the number of namespace list calculation btrfs: start readahead also in seed devices can: xilinx_can: use correct bittiming_const for CAN FD core can: flexcan: fix timeout when set small bitrate can: purge socket error queue on sock destruct riscv: mm: synchronize MMU after pte change powerpc/bpf: use unsigned division instruction for 64-bit operations ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX ARM: dts: dra76x: Update MMC2_HS200_MANUAL1 iodelay values ARM: dts: am57xx-idk: Remove support for voltage switching for SD card arm64/sve: <uapi/asm/ptrace.h> should not depend on <uapi/linux/prctl.h> arm64: ssbd: explicitly depend on <linux/prctl.h> drm/vmwgfx: Use the backdoor port if the HB port is not available staging: erofs: add requirements field in superblock Bluetooth: Align minimum encryption key size for LE and BR/EDR connections Bluetooth: Fix regression with minimum encryption key size alignment SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write cfg80211: fix memory leak of wiphy device name mac80211: drop robust management frames from unknown TA {nl,mac}80211: allow 4addr AP operation on crypto controlled devices mac80211: handle deauthentication/disassociation from TDLS peer nl80211: fix station_info pertid memory leak mac80211: Do not use stack memory with scatterlist for GMAC x86/resctrl: Don't stop walking closids when a locksetup group is found powerpc/mm/64s/hash: Reallocate context ids on fork Linux 4.19.56 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
||
Naresh Kamboju
|
bf51ec92a3 |
selftests: vm: install test_vmalloc.sh for run_vmtests
[ Upstream commit bc2cce3f2ebcae02aa4bb29e3436bf75ee674c32 ] Add test_vmalloc.sh to TEST_FILES to make sure it gets installed for run_vmtests. Fixed below error: ./run_vmtests: line 217: ./test_vmalloc.sh: No such file or directory Tested with: make TARGETS=vm install INSTALL_PATH=$PWD/x Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
Alex Shi
|
a0e8215eb9 |
kselftest/cgroup: fix incorrect test_core skip
[ Upstream commit f97f3f8839eb9de5843066d80819884f7722c8c5 ] The test_core will skip the test_cgcore_no_internal_process_constraint_on_threads test case if the 'cpu' controller missing in root's subtree_control. In fact we need to set the 'cpu' in subtree_control, to make the testing meaningful. ./test_core ... ok 4 # skip test_cgcore_no_internal_process_constraint_on_threads ... Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Roman Gushchin <guro@fb.com> Cc: Claudio Zumbo <claudioz@fb.com> Cc: Claudio <claudiozumbo@gmail.com> Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Roman Gushchin <guro@fb.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
Alex Shi
|
59243d6fb4 |
kselftest/cgroup: fix unexpected testing failure on test_core
[ Upstream commit 00e38a5d753d7788852f81703db804a60a84c26e ] The cgroup testing relys on the root cgroup's subtree_control setting, If the 'memory' controller isn't set, some test cases will be failed as following: $sudo ./test_core not ok 1 test_cgcore_internal_process_constraint ok 2 test_cgcore_top_down_constraint_enable not ok 3 test_cgcore_top_down_constraint_disable ... To correct this unexpected failure, this patch write the 'memory' to subtree_control of root to get a right result. Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Roman Gushchin <guro@fb.com> Cc: Claudio Zumbo <claudioz@fb.com> Cc: Claudio <claudiozumbo@gmail.com> Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Roman Gushchin <guro@fb.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
Alex Shi
|
9c2eebe31d |
kselftest/cgroup: fix unexpected testing failure on test_memcontrol
[ Upstream commit f6131f28057d4fd8922599339e701a2504e0f23d ] The cgroup testing relies on the root cgroup's subtree_control setting, If the 'memory' controller isn't set, all test cases will be failed as following: $ sudo ./test_memcontrol not ok 1 test_memcg_subtree_control not ok 2 test_memcg_current ok 3 # skip test_memcg_min not ok 4 test_memcg_low not ok 5 test_memcg_high not ok 6 test_memcg_max not ok 7 test_memcg_oom_events ok 8 # skip test_memcg_swap_max not ok 9 test_memcg_sock not ok 10 test_memcg_oom_group_leaf_events not ok 11 test_memcg_oom_group_parent_events not ok 12 test_memcg_oom_group_score_events To correct this unexpected failure, this patch write the 'memory' to subtree_control of root to get a right result. Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Roman Gushchin <guro@fb.com> Cc: Tejun Heo <tj@kernel.org> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Jay Kamat <jgkamat@fb.com> Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Roman Gushchin <guro@fb.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
Allan Xavier
|
6a997c3a23 |
objtool: Support per-function rodata sections
commit 4a60aa05a0634241ce17f957bf9fb5ac1eed6576 upstream. Add support for processing switch jump tables in objects with multiple .rodata sections, such as those created by '-ffunction-sections' and '-fdata-sections'. Currently, objtool always looks in .rodata for jump table information, which results in many "sibling call from callable instruction with modified stack frame" warnings with objects compiled using those flags. The fix is comprised of three parts: 1. Flagging all .rodata sections when importing ELF information for easier checking later. 2. Keeping a reference to the section each relocation is from in order to get the list_head for the other relocations in that section. 3. Finding jump tables by following relocations to .rodata sections, rather than always referencing a single global .rodata section. The patch has been tested without data sections enabled and no differences in the resulting orc unwind information were seen. Note that as objtool adds terminators to end of each .text section the unwind information generated between a function+data sections build and a normal build aren't directly comparable. Manual inspection suggests that objtool is now generating the correct information, or at least making more of an effort to do so than it did previously. Signed-off-by: Allan Xavier <allan.x.xavier@oracle.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/099bdc375195c490dda04db777ee0b95d566ded1.1536325914.git.jpoimboe@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Greg Kroah-Hartman
|
6d20e20528 |
This is the 4.19.54 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl0Nx3oACgkQONu9yGCS aT7hJRAAzdu1EKr/VUiFJshvPL/+veH1MLdMgafW6gXcoQCQSdMuv1j3mv3axElC dz2e/nHXvIhMKMrhzgEvVwV8m8eKPwM4IZjTJ8ji8st9uy0R2UIdbPUHrLtRAQzI bK2BIk6697B9/9z2s8nDXhKex9EtZ2vj8DeQLT1AgQKMM0+abPA2YR9+cp9HEjQR Wa5NjajwWgpty1VVk+Q6GMD+GBnEILyqxtVGv30z/prWoVadFAXJEZrWsaXotUvh ySc2CS9Iu/muiIegTSStnNXaWaawZblA4JdDcdRJ235rPK8sbACYtDgZispYopi4 y/9kUtuZzWEv61aFZkXd13jKZ8pJsrLZLoc+yDqew0IA6M2Hz7d7Pq/UWQ0m4qnt rCcU1vTFooSp/IHOToXN0oQQrTqD2oK5zO4V9S5McwQniuO/RqUPJfX/sKjtrvNT SI/yLVKMXImAwVXxNEfO4bE+T9F/QYptOHdpfqJkPvpKLzjxnPBPswG8poIKwQzJ w3p1AoQ1ISuW6b94a/nI5nSC28gVslVg+oTjRjF7kfIcOtvglX79XPvfdM5bB2DC qD51A8veEGCtAu57/tSyisGOomqTqqqbaiYXwuhgTI1NSszbqKDLNvjsw1GKj0rK mSmDzVMgQhxaHOagOeDqLYlj1zgTamx5R6+dretf8AOXyEE2RSg= =+MJy -----END PGP SIGNATURE----- Merge 4.19.54 into android-4.19-q Changes in 4.19.54 ax25: fix inconsistent lock state in ax25_destroy_timer be2net: Fix number of Rx queues used for flow hashing hv_netvsc: Set probe mode to sync ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero lapb: fixed leak of control-blocks. neigh: fix use-after-free read in pneigh_get_next net: dsa: rtl8366: Fix up VLAN filtering net: openvswitch: do not free vport if register_netdevice() is failed. nfc: Ensure presence of required attributes in the deactivate_target handler sctp: Free cookie before we memdup a new one sunhv: Fix device naming inconsistency between sunhv_console and sunhv_reg tipc: purge deferredq list for each grp member in tipc_group_delete vsock/virtio: set SOCK_DONE on peer shutdown net/mlx5: Avoid reloading already removed devices net: mvpp2: prs: Fix parser range for VID filtering net: mvpp2: prs: Use the correct helpers when removing all VID filters Staging: vc04_services: Fix a couple error codes perf/x86/intel/ds: Fix EVENT vs. UEVENT PEBS constraints netfilter: nf_queue: fix reinject verdict handling ipvs: Fix use-after-free in ip_vs_in selftests: netfilter: missing error check when setting up veth interface clk: ti: clkctrl: Fix clkdm_clk handling powerpc/powernv: Return for invalid IMC domain usb: xhci: Fix a potential null pointer dereference in xhci_debugfs_create_endpoint() mISDN: make sure device name is NUL terminated x86/CPU/AMD: Don't force the CPB cap when running under a hypervisor perf/ring_buffer: Fix exposing a temporarily decreased data_head perf/ring_buffer: Add ordering to rb->nest increment perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data gpio: fix gpio-adp5588 build errors net: stmmac: update rx tail pointer register to fix rx dma hang issue. net: tulip: de4x5: Drop redundant MODULE_DEVICE_TABLE() ACPI/PCI: PM: Add missing wakeup.flags.valid checks drm/etnaviv: lock MMU while dumping core net: aquantia: tx clean budget logic error net: aquantia: fix LRO with FCS error i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr ALSA: hda - Force polling mode on CNL for fixing codec communication configfs: Fix use-after-free when accessing sd->s_dentry perf data: Fix 'strncat may truncate' build failure with recent gcc perf namespace: Protect reading thread's namespace perf record: Fix s390 missing module symbol and warning for non-root users ia64: fix build errors by exporting paddr_to_nid() xen/pvcalls: Remove set but not used variable xenbus: Avoid deadlock during suspend due to open transactions KVM: PPC: Book3S: Use new mutex to synchronize access to rtas token list KVM: PPC: Book3S HV: Don't take kvm->lock around kvm_for_each_vcpu arm64: fix syscall_fn_t type arm64: use the correct function type in SYSCALL_DEFINE0 arm64: use the correct function type for __arm64_sys_ni_syscall net: sh_eth: fix mdio access in sh_eth_close() for R-Car Gen2 and RZ/A1 SoCs net: phylink: ensure consistent phy interface mode net: phy: dp83867: Set up RGMII TX delay scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route() scsi: smartpqi: properly set both the DMA mask and the coherent DMA mask scsi: scsi_dh_alua: Fix possible null-ptr-deref scsi: libsas: delete sas port if expander discover failed mlxsw: spectrum: Prevent force of 56G ocfs2: fix error path kobject memory leak coredump: fix race condition between collapse_huge_page() and core dumping Abort file_remove_privs() for non-reg. files Linux 4.19.54 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Thomas Richter
|
60a3e3b9e5 |
perf record: Fix s390 missing module symbol and warning for non-root users
[ Upstream commit 6738028dd57df064b969d8392c943ef3b3ae705d ] Command 'perf record' and 'perf report' on a system without kernel debuginfo packages uses /proc/kallsyms and /proc/modules to find addresses for kernel and module symbols. On x86 this works for root and non-root users. On s390, when invoked as non-root user, many of the following warnings are shown and module symbols are missing: proc/{kallsyms,modules} inconsistency while looking for "[sha1_s390]" module! Command 'perf record' creates a list of module start addresses by parsing the output of /proc/modules and creates a PERF_RECORD_MMAP record for the kernel and each module. The following function call sequence is executed: machine__create_kernel_maps machine__create_module modules__parse machine__create_module --> for each line in /proc/modules arch__fix_module_text_start Function arch__fix_module_text_start() is s390 specific. It opens file /sys/module/<name>/sections/.text to extract the module's .text section start address. On s390 the module loader prepends a header before the first section, whereas on x86 the module's text section address is identical the the module's load address. However module section files are root readable only. For non-root the read operation fails and machine__create_module() returns an error. Command perf record does not generate any PERF_RECORD_MMAP record for loaded modules. Later command perf report complains about missing module maps. To fix this function arch__fix_module_text_start() always returns success. For root users there is no change, for non-root users the module's load address is used as module's text start address (the prepended header then counts as part of the text section). This enable non-root users to use module symbols and avoid the warning when perf report is executed. Output before: [tmricht@m83lp54 perf]$ ./perf report -D | fgrep MMAP 0 0x168 [0x50]: PERF_RECORD_MMAP ... x [kernel.kallsyms]_text Output after: [tmricht@m83lp54 perf]$ ./perf report -D | fgrep MMAP 0 0x168 [0x50]: PERF_RECORD_MMAP ... x [kernel.kallsyms]_text 0 0x1b8 [0x98]: PERF_RECORD_MMAP ... x /lib/modules/.../autofs4.ko.xz 0 0x250 [0xa8]: PERF_RECORD_MMAP ... x /lib/modules/.../sha_common.ko.xz 0 0x2f8 [0x98]: PERF_RECORD_MMAP ... x /lib/modules/.../des_generic.ko.xz Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Link: http://lkml.kernel.org/r/20190522144601.50763-4-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Namhyung Kim
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be0e62666d |
perf namespace: Protect reading thread's namespace
[ Upstream commit 6584140ba9e6762dd7ec73795243289b914f31f9 ] It seems that the current code lacks holding the namespace lock in thread__namespaces(). Otherwise it can see inconsistent results. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Hari Bathini <hbathini@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Krister Johansen <kjlx@templeofstupid.com> Link: http://lkml.kernel.org/r/20190522053250.207156-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Shawn Landden
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7d523e33f4 |
perf data: Fix 'strncat may truncate' build failure with recent gcc
[ Upstream commit 97acec7df172cd1e450f81f5e293c0aa145a2797 ] This strncat() is safe because the buffer was allocated with zalloc(), however gcc doesn't know that. Since the string always has 4 non-null bytes, just use memcpy() here. CC /home/shawn/linux/tools/perf/util/data-convert-bt.o In file included from /usr/include/string.h:494, from /home/shawn/linux/tools/lib/traceevent/event-parse.h:27, from util/data-convert-bt.c:22: In function ‘strncat’, inlined from ‘string_set_value’ at util/data-convert-bt.c:274:4: /usr/include/powerpc64le-linux-gnu/bits/string_fortified.h:136:10: error: ‘__builtin_strncat’ output may be truncated copying 4 bytes from a string of length 4 [-Werror=stringop-truncation] 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Shawn Landden <shawn@git.icu> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> LPU-Reference: 20190518183238.10954-1-shawn@git.icu Link: https://lkml.kernel.org/n/tip-289f1jice17ta7tr3tstm9jm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Jeffrin Jose T
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ef4ffa0f0b |
selftests: netfilter: missing error check when setting up veth interface
[ Upstream commit 82ce6eb1dd13fd12e449b2ee2c2ec051e6f52c43 ] A test for the basic NAT functionality uses ip command which needs veth device. There is a condition where the kernel support for veth is not compiled into the kernel and the test script breaks. This patch contains code for reasonable error display and correct code exit. Signed-off-by: Jeffrin Jose T <jeffrin@rajagiritech.edu.in> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Greg Kroah-Hartman
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a84e286099 |
This is the 4.19.53 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl0J4rgACgkQONu9yGCS aT6JVhAAouXsxBjKDxMlJkMrcCFPVHTgWyrHMJ0aeV3jWACGoKbd+RBZtEoNrD4n X5/AJdDMvSPuPMWqE8BO/+Q1e4YQYRoHQyQ24aRkq66a8+UpybRMpshFb+tfGQO+ ysVypoBg97Y+8ao0MFKxu79+rrJor566f8jXznrxvFG3MnI0Kq3BBGq59UcQTu4z e1jd2OJjQxttZovOlA6v9rRTdHdzoI/84DZfYgqV1pUoC8pwjg7UO0+1cwnKlqem No4iWGP4lmfXN/VuzRpBs9a6kqE14GL5Ah13U3uhYXk9Dd2iLkS2fPKPiaDpiHql /SIL/3q4BCJVDZePIZuLoRe9qKLDh7rdNziIDhSUskW1H1tHAhsJUktWo0HarZW2 6Z5K10S/MsXAxWoFnY1TMBhZg+h+f/pHxy6FqZdvV4DGsx7uDWoVhn+o4Qw5WTSG 7KGMvvyDE7EyciwXVkQoN3hwX9pcxBwDtMswzSbW1VM9h3nYOzfY6OwSc/GDbM+f 9zQb+sgLIu1K5FUqyYNMfV/YXGGHpml181ZRWm3bZ4N63odDKMwzWfkc5RlIlDoM kqmMZKvpTSA4MeRzGzcUMsIpXv8SeNvR3cotCBqau+IRAIkLX8tZClJL+4FilLIN PkOjXtuEt648ZDybVGZykmAPIVuWreosWdtIH79ZOmnpveRQN7I= =DiXP -----END PGP SIGNATURE----- Merge 4.19.53 into android-4.19-q Changes in 4.19.53 drm/nouveau: add kconfig option to turn off nouveau legacy contexts. (v3) nouveau: Fix build with CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT disabled HID: multitouch: handle faulty Elo touch device HID: wacom: Don't set tool type until we're in range HID: wacom: Don't report anything prior to the tool entering range HID: wacom: Send BTN_TOUCH in response to INTUOSP2_BT eraser contact HID: wacom: Correct button numbering 2nd-gen Intuos Pro over Bluetooth HID: wacom: Sync INTUOSP2_BT touch state after each frame if necessary Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops" ALSA: oxfw: allow PCM capture for Stanton SCS.1m ALSA: hda/realtek - Update headset mode for ALC256 ALSA: firewire-motu: fix destruction of data for isochronous resources libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node fs/ocfs2: fix race in ocfs2_dentry_attach_lock() mm/vmscan.c: fix trying to reclaim unevictable LRU page signal/ptrace: Don't leak unitialized kernel memory with PTRACE_PEEK_SIGINFO ptrace: restore smp_rmb() in __ptrace_may_access() iommu/arm-smmu: Avoid constant zero in TLBI writes i2c: acorn: fix i2c warning bcache: fix stack corruption by PRECEDING_KEY() bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css() ASoC: cs42xx8: Add regcache mask dirty ASoC: fsl_asrc: Fix the issue about unsupported rate drm/i915/sdvo: Implement proper HDMI audio support for SDVO x86/uaccess, kcov: Disable stack protector ALSA: seq: Protect in-kernel ioctl calls with mutex ALSA: seq: Fix race of get-subscription call vs port-delete ioctls Revert "ALSA: seq: Protect in-kernel ioctl calls with mutex" s390/kasan: fix strncpy_from_user kasan checks Drivers: misc: fix out-of-bounds access in function param_set_kgdbts_var f2fs: fix to avoid accessing xattr across the boundary scsi: qedi: remove memset/memcpy to nfunc and use func instead scsi: qedi: remove set but not used variables 'cdev' and 'udev' scsi: lpfc: correct rcu unlock issue in lpfc_nvme_info_show scsi: lpfc: add check for loss of ndlp when sending RRQ arm64/mm: Inhibit huge-vmap with ptdump nvme: fix srcu locking on error return in nvme_get_ns_from_disk nvme: remove the ifdef around nvme_nvm_ioctl nvme: merge nvme_ns_ioctl into nvme_ioctl nvme: release namespace SRCU protection before performing controller ioctls nvme: fix memory leak for power latency tolerance platform/x86: pmc_atom: Add Lex 3I380D industrial PC to critclk_systems DMI table platform/x86: pmc_atom: Add several Beckhoff Automation boards to critclk_systems DMI table scsi: bnx2fc: fix incorrect cast to u64 on shift operation libnvdimm: Fix compilation warnings with W=1 selftests: fib_rule_tests: fix local IPv4 address typo selftests/timers: Add missing fflush(stdout) calls tracing: Prevent hist_field_var_ref() from accessing NULL tracing_map_elts usbnet: ipheth: fix racing condition KVM: arm/arm64: Move cc/it checks under hyp's Makefile to avoid instrumentation KVM: x86/pmu: mask the result of rdpmc according to the width of the counters KVM: x86/pmu: do not mask the value that is written to fixed PMUs KVM: s390: fix memory slot handling for KVM_SET_USER_MEMORY_REGION tools/kvm_stat: fix fields filter for child events drm/vmwgfx: integer underflow in vmw_cmd_dx_set_shader() leading to an invalid read drm/vmwgfx: NULL pointer dereference from vmw_cmd_dx_view_define() usb: dwc2: Fix DMA cache alignment issues usb: dwc2: host: Fix wMaxPacketSize handling (fix webcam regression) USB: Fix chipmunk-like voice when using Logitech C270 for recording audio. USB: usb-storage: Add new ID to ums-realtek USB: serial: pl2303: add Allied Telesis VT-Kit3 USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode USB: serial: option: add Telit 0x1260 and 0x1261 compositions timekeeping: Repair ktime_get_coarse*() granularity RAS/CEC: Convert the timer callback to a workqueue RAS/CEC: Fix binary search function x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback x86/kasan: Fix boot with 5-level paging and KASAN x86/mm/KASLR: Compute the size of the vmemmap section properly x86/resctrl: Prevent NULL pointer dereference when local MBM is disabled drm/edid: abstract override/firmware EDID retrieval drm: add fallback override/firmware EDID modes workaround rtc: pcf8523: don't return invalid date when battery is low Linux 4.19.53 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Stefan Raspl
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2399b2ac2b |
tools/kvm_stat: fix fields filter for child events
[ Upstream commit 883d25e70b2f699fed9017e509d1ef8e36229b89 ] The fields filter would not work with child fields, as the respective parents would not be included. No parents displayed == no childs displayed. To reproduce, run on s390 (would work on other platforms, too, but would require a different filter name): - Run 'kvm_stat -d' - Press 'f' - Enter 'instruct' Notice that events like instruction_diag_44 or instruction_diag_500 are not displayed - the output remains empty. With this patch, we will filter by matching events and their parents. However, consider the following example where we filter by instruction_diag_44: kvm statistics - summary regex filter: instruction_diag_44 Event Total %Total CurAvg/s exit_instruction 276 100.0 12 instruction_diag_44 256 92.8 11 Total 276 12 Note that the parent ('exit_instruction') displays the total events, but the childs listed do not match its total (256 instead of 276). This is intended (since we're filtering all but one child), but might be confusing on first sight. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Kees Cook
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b64df8133c |
selftests/timers: Add missing fflush(stdout) calls
[ Upstream commit fe48319243a626c860fd666ca032daacc2ba84a5 ] When running under a pipe, some timer tests would not report output in real-time because stdout flushes were missing after printf()s that lacked a newline. This adds them to restore real-time status output that humans can enjoy. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Hangbin Liu
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3e1d7417b4 |
selftests: fib_rule_tests: fix local IPv4 address typo
[ Upstream commit fc82d93e57e3d41f79eff19031588b262fc3d0b6 ]
The IPv4 testing address are all in 192.51.100.0 subnet. It doesn't make
sense to set a 198.51.100.1 local address. Should be a typo.
Fixes:
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Greg Kroah-Hartman
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d39bf4bb91 |
This is the 4.19.51 stable release
-----BEGIN PGP SIGNATURE----- iQIyBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl0EwEMACgkQONu9yGCS aT4UpA/3UqmMAaHH4g20cic8YDoBkYXoQUyj/kbf1w6bXqCuLTHOFS/qXa6QtPK3 WfwNWChIob+EbfAMjreQZjT6pwBbxyCNUvsvpB0k8YhJ3v/sIZL/Wc+1ZDu+jBC9 xfqwT9+JGzgu8P4PUTr1BsGMhgiH9qoJAeq7RCuDcicMIJ4/aJVr4Cvrs+18PVUe 95T5vSn6G62QyOrUExmuuztvNM2P/kos6yJTkN80l3uPLMUjsnWCsMKu+9utd5ea ew332Z/BQs+ff4oljH1uRwsM/Z7+AKXlXatXD0sHQ8CTEqh44SgUSU96vB/h9W8I 6a0t4M2atsdaGjMHmiiPA+gIgd1rW0lsHk6ob6qgfzuRBFGN9BTUfZgQwhOW7uXt e4o5RrWELkbk/TlJzrG1dFjhfyeb7q3LHOOg8kOVU0KdPD44ekJW9qoI8tlMPI+5 mafCCS/oS6TaW20ZKmjjkIbfTndzdO3dy5EWLy3elCEyLF2gDZ6WCAL+SMngdApC /dbuBigF/+RBaEU1e56DkcYUYXjt6UO84O3dYAx69s6EhHS5CP4yCySuYpdxyg/G MWdFDhtbnFyMXqoK1ROS0hNnxpydkh+R1Ns0TeSYibJI2J2enMGIa0thu4aVLD3v +GLqHV2PsPTRQmF5ChnvNV7O53i4j4WBQQjL+80PQulJwRFb/A== =bIqz -----END PGP SIGNATURE----- Merge 4.19.51 into android-4.19-q Changes in 4.19.51 rapidio: fix a NULL pointer dereference when create_workqueue() fails fs/fat/file.c: issue flush after the writeback of FAT sysctl: return -EINVAL if val violates minmax ipc: prevent lockup on alloc_msg and free_msg drm/pl111: Initialize clock spinlock early ARM: prevent tracing IPI_CPU_BACKTRACE mm/hmm: select mmu notifier when selecting HMM hugetlbfs: on restore reserve error path retain subpool reservation mem-hotplug: fix node spanned pages when we have a node with only ZONE_MOVABLE mm/cma.c: fix crash on CMA allocation if bitmap allocation fails initramfs: free initrd memory if opening /initrd.image fails mm/cma.c: fix the bitmap status to show failed allocation reason mm: page_mkclean vs MADV_DONTNEED race mm/cma_debug.c: fix the break condition in cma_maxchunk_get() mm/slab.c: fix an infinite loop in leaks_show() kernel/sys.c: prctl: fix false positive in validate_prctl_map() thermal: rcar_gen3_thermal: disable interrupt in .remove drivers: thermal: tsens: Don't print error message on -EPROBE_DEFER mfd: tps65912-spi: Add missing of table registration mfd: intel-lpss: Set the device in reset state when init drm/nouveau/disp/dp: respect sink limits when selecting failsafe link configuration mfd: twl6040: Fix device init errors for ACCCTL register perf/x86/intel: Allow PEBS multi-entry in watermark mode drm/nouveau/kms/gf119-gp10x: push HeadSetControlOutputResource() mthd when encoders change drm/bridge: adv7511: Fix low refresh rate selection objtool: Don't use ignore flag for fake jumps drm/nouveau/kms/gv100-: fix spurious window immediate interlocks bpf: fix undefined behavior in narrow load handling EDAC/mpc85xx: Prevent building as a module pwm: meson: Use the spin-lock only to protect register modifications mailbox: stm32-ipcc: check invalid irq ntp: Allow TAI-UTC offset to be set to zero f2fs: fix to avoid panic in do_recover_data() f2fs: fix to avoid panic in f2fs_inplace_write_data() f2fs: fix to avoid panic in f2fs_remove_inode_page() f2fs: fix to do sanity check on free nid f2fs: fix to clear dirty inode in error path of f2fs_iget() f2fs: fix to avoid panic in dec_valid_block_count() f2fs: fix to use inline space only if inline_xattr is enable f2fs: fix to do sanity check on valid block count of segment f2fs: fix to do checksum even if inode page is uptodate percpu: remove spurious lock dependency between percpu and sched configfs: fix possible use-after-free in configfs_register_group uml: fix a boot splat wrt use of cpu_all_mask PCI: dwc: Free MSI in dw_pcie_host_init() error path PCI: dwc: Free MSI IRQ page in dw_pcie_free_msi() ovl: do not generate duplicate fsnotify events for "fake" path mmc: mmci: Prevent polling for busy detection in IRQ context netfilter: nf_flow_table: fix missing error check for rhashtable_insert_fast netfilter: nf_conntrack_h323: restore boundary check correctness mips: Make sure dt memory regions are valid netfilter: nf_tables: fix base chain stat rcu_dereference usage watchdog: imx2_wdt: Fix set_timeout for big timeout values watchdog: fix compile time error of pretimeout governors blk-mq: move cancel of requeue_work into blk_mq_release iommu/vt-d: Set intel_iommu_gfx_mapped correctly misc: pci_endpoint_test: Fix test_reg_bar to be updated in pci_endpoint_test PCI: designware-ep: Use aligned ATU window for raising MSI interrupts nvme-pci: unquiesce admin queue on shutdown nvme-pci: shutdown on timeout during deletion netfilter: nf_flow_table: check ttl value in flow offload data path netfilter: nf_flow_table: fix netdev refcnt leak ALSA: hda - Register irq handler after the chip initialization nvmem: core: fix read buffer in place nvmem: sunxi_sid: Support SID on A83T and H5 fuse: retrieve: cap requested size to negotiated max_write nfsd: allow fh_want_write to be called twice nfsd: avoid uninitialized variable warning vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING" iommu/arm-smmu-v3: Don't disable SMMU in kdump kernel switchtec: Fix unintended mask of MRPC event net: thunderbolt: Unregister ThunderboltIP protocol handler when suspending x86/PCI: Fix PCI IRQ routing table memory leak i40e: Queues are reserved despite "Invalid argument" error platform/chrome: cros_ec_proto: check for NULL transfer function PCI: keystone: Prevent ARM32 specific code to be compiled for ARM64 soc: mediatek: pwrap: Zero initialize rdata in pwrap_init_cipher clk: rockchip: Turn on "aclk_dmac1" for suspend on rk3288 soc: rockchip: Set the proper PWM for rk3288 ARM: dts: imx51: Specify IMX5_CLK_IPG as "ahb" clock to SDMA ARM: dts: imx50: Specify IMX5_CLK_IPG as "ahb" clock to SDMA ARM: dts: imx53: Specify IMX5_CLK_IPG as "ahb" clock to SDMA ARM: dts: imx6sx: Specify IMX6SX_CLK_IPG as "ahb" clock to SDMA ARM: dts: imx6sll: Specify IMX6SLL_CLK_IPG as "ipg" clock to SDMA ARM: dts: imx7d: Specify IMX7D_CLK_IPG as "ipg" clock to SDMA ARM: dts: imx6ul: Specify IMX6UL_CLK_IPG as "ipg" clock to SDMA ARM: dts: imx6sx: Specify IMX6SX_CLK_IPG as "ipg" clock to SDMA ARM: dts: imx6qdl: Specify IMX6QDL_CLK_IPG as "ipg" clock to SDMA PCI: rpadlpar: Fix leaked device_node references in add/remove paths drm/amd/display: Use plane->color_space for dpp if specified ARM: OMAP2+: pm33xx-core: Do not Turn OFF CEFUSE as PPA may be using it platform/x86: intel_pmc_ipc: adding error handling power: supply: max14656: fix potential use-before-alloc net: hns3: return 0 and print warning when hit duplicate MAC PCI: rcar: Fix a potential NULL pointer dereference PCI: rcar: Fix 64bit MSI message address handling scsi: qla2xxx: Reset the FCF_ASYNC_{SENT|ACTIVE} flags video: hgafb: fix potential NULL pointer dereference video: imsttfb: fix potential NULL pointer dereferences block, bfq: increase idling for weight-raised queues PCI: xilinx: Check for __get_free_pages() failure gpio: gpio-omap: add check for off wake capable gpios ice: Add missing case in print_link_msg for printing flow control dmaengine: idma64: Use actual device for DMA transfers pwm: tiehrpwm: Update shadow register for disabling PWMs ARM: dts: exynos: Always enable necessary APIO_1V8 and ABB_1V8 regulators on Arndale Octa pwm: Fix deadlock warning when removing PWM device ARM: exynos: Fix undefined instruction during Exynos5422 resume usb: typec: fusb302: Check vconn is off when we start toggling soc: renesas: Identify R-Car M3-W ES1.3 gpio: vf610: Do not share irq_chip percpu: do not search past bitmap when allocating an area Revert "Bluetooth: Align minimum encryption key size for LE and BR/EDR connections" Revert "drm/nouveau: add kconfig option to turn off nouveau legacy contexts. (v3)" ovl: check the capability before cred overridden ovl: support stacked SEEK_HOLE/SEEK_DATA drm/vc4: fix fb references in async update ALSA: seq: Cover unsubscribe_port() in list_mutex Linux 4.19.51 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Josh Poimboeuf
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20e1a16702 |
objtool: Don't use ignore flag for fake jumps
[ Upstream commit e6da9567959e164f82bc81967e0d5b10dee870b4 ] The ignore flag is set on fake jumps in order to keep add_jump_destinations() from setting their jump_dest, since it already got set when the fake jump was created. But using the ignore flag is a bit of a hack. It's normally used to skip validation of an instruction, which doesn't really make sense for fake jumps. Also, after the next patch, using the ignore flag for fake jumps can trigger a false "why am I validating an ignored function?" warning. Instead just add an explicit check in add_jump_destinations() to skip fake jumps. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/71abc072ff48b2feccc197723a9c52859476c068.1557766718.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Greg Kroah-Hartman
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c710c4fc4e |
This is the 4.19.48 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAlz2CXsACgkQONu9yGCS aT7c0RAAvW/0LcCxnP5ksEs+0zGljm/+KHq1GF7Rg60SqlKFYayF/q2E94Bn1mt7 3Rxb8ppViOPlFxr24B6bMCr3NKsCfSgnh1Z2oEjhWGLfxTkmL4npfj/lJCrcTQdg zaq4AydWuhrF1ykdTmC4ILgpi/Kn08TlNLP1QftXC9EUG59023q/hq7pb+OgfzkD a3eVyQSqU47F6xLqJDny2yo08tAIWIBTH9V+9YL0RJKflc5VhQoLSa/TXsxVEm1h ULRa2SjGldgwE4uOgnxTVjKPw8GWOv68w7uJedhNLBTdUOr3I9GMR7J38N2y1uIC Opm8blpovs4m3dWh342+pxdbEc+Pm22wNNLjenc5eutGdxAdlP+VTdySoZsAfEfV SjtIirgclLsXw/0q9PS8Ym0B6pEhgPahfHexkecCOS5s9FwduEIDfO+ePf0tsVEl dE5iEwByImrtITuPAg7zDnUtP9cOImeXPlUOHbKfRd8xiotu8sFEbBpeSeReVAoj 0tLaE+olaB3e+ST/W+AoUSCtpKFjeeA5laSRvbXObOHl18QxnE9baMzE1rcCvr/x +4Rl8SGtmaBM/sJ4BCiuCxKCPpV7cJBKr7KREthl7pHv+Lib+nQ+LK+gIJXYOufu kQlTlfFimvPe7VJY3B+8QmHEcyX/nnhYAMdn08+/7Xuq8k+jxXc= =V8H5 -----END PGP SIGNATURE----- Merge 4.19.48 into android-4.19-q Changes in 4.19.48 bonding/802.3ad: fix slave link initialization transition states cxgb4: offload VLAN flows regardless of VLAN ethtype inet: switch IP ID generator to siphash ipv4/igmp: fix another memory leak in igmpv3_del_delrec() ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST ipv6: Consider sk_bound_dev_if when binding a raw socket to an address ipv6: Fix redirect with VRF llc: fix skb leak in llc_build_and_send_ui_pkt() net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT net: fec: fix the clk mismatch in failed_reset path net-gro: fix use-after-free read in napi_gro_frags() net: mvneta: Fix err code path of probe net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value net: phy: marvell10g: report if the PHY fails to boot firmware net: sched: don't use tc_action->order during action dump net: stmmac: fix reset gpio free missing usbnet: fix kernel crash after disconnect net/mlx5: Avoid double free in fs init error unwinding path tipc: Avoid copying bytes beyond the supplied data net/mlx5: Allocate root ns memory using kzalloc to match kfree net/mlx5e: Disable rxhash when CQE compress is enabled net: stmmac: dma channel control register need to be init first bnxt_en: Fix aggregation buffer leak under OOM condition. net/tls: fix state removal with feature flags off net/tls: don't ignore netdev notifications if no TLS features crypto: vmx - ghash: do nosimd fallback manually include/linux/compiler*.h: define asm_volatile_goto compiler.h: give up __compiletime_assert_fallback() jump_label: move 'asm goto' support test to Kconfig xen/pciback: Don't disable PCI_COMMAND on PCI device reset. Revert "tipc: fix modprobe tipc failed after switch order of device registration" tipc: fix modprobe tipc failed after switch order of device registration Linux 4.19.48 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Masahiro Yamada
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0276ebf166 |
jump_label: move 'asm goto' support test to Kconfig
commit e9666d10a5677a494260d60d1fa0b73cc7646eb3 upstream. Currently, CONFIG_JUMP_LABEL just means "I _want_ to use jump label". The jump label is controlled by HAVE_JUMP_LABEL, which is defined like this: #if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) # define HAVE_JUMP_LABEL #endif We can improve this by testing 'asm goto' support in Kconfig, then make JUMP_LABEL depend on CC_HAS_ASM_GOTO. Ugly #ifdef HAVE_JUMP_LABEL will go away, and CONFIG_JUMP_LABEL will match to the real kernel capability. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Tested-by: Sedat Dilek <sedat.dilek@gmail.com> [nc: Fix trivial conflicts in 4.19 arch/xtensa/kernel/jump_label.c doesn't exist yet Ensured CC_HAVE_ASM_GOTO and HAVE_JUMP_LABEL were sufficiently eliminated] Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Greg Kroah-Hartman
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f4aedf06d3 |
This is the 4.19.47 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAlzxMDsACgkQONu9yGCS aT6kjxAAvyKCDNGaQgBXGXe6xvBK7ad+mk+MU6WVycN+PIQzA8zVfR7RcGJgEP8t 65QrePyacMe5bmSgTnUKGz6DpwpWbCMamyftjoaPWIhxDFmQy7FB9ANOVoPDBw49 +jKT30ioBSI6LYQDU4xhxDO01HVEXmmLZquqYDfLoHOMLeXCivfTlM7PQPfxMZzn fdeLtvfCnfMiftkXZjGqaWoUAnrlTmncQk9nXMcDgxrGy9pHJ6B1WWE5ygqr4Z5s MaKfHotCSYD/eP8JsyIdJg+iMESv5Z0ZDCjbVslm81fCLeUD6atdnmpYxCphmT7Q ifN23i4FJrXBX4xLpD9RYzavH3+hQzqb2pt02aBZRW0OLFK0qjYrkdayjwWGOIUI zK9bgfHiiNKtoyvakQJ09uMhpO2thWeTMh8a6iBLTQ5Koi60adW1l5GrPuTTZYG7 V8xNB2cLsUktDsAr1I/kwrCMlE/oNFgy2La5zMzmELnFTUJRlMAoAGaa1DPcOFLt QVdT8luJMu+1KTeMZPoK/7QQGszMDTAot4+Ys56KyPQ6zN/rGr2vm7kHYn41FyEp KXpyeIm0/RKxUysz2Fyx+dL75e4ZhBof+amQ7Kotz6bF45o+ZwJ7THT6XKIOoln5 E7iI5RhQMZ2WuVIHLKa0QFBRn4RPpzie1lwOXWAAF6oqNgewXHw= =fjPE -----END PGP SIGNATURE----- Merge 4.19.47 into android-4.19-q Changes in 4.19.47 x86: Hide the int3_emulate_call/jmp functions from UML ext4: do not delete unlinked inode from orphan list on failed truncate ext4: wait for outstanding dio during truncate in nojournal mode f2fs: Fix use of number of devices KVM: x86: fix return value for reserved EFER bio: fix improper use of smp_mb__before_atomic() sbitmap: fix improper use of smp_mb__before_atomic() Revert "scsi: sd: Keep disk read-only when re-reading partition" crypto: vmx - CTR: always increment IV as quadword mmc: sdhci-iproc: cygnus: Set NO_HISPD bit to fix HS50 data hold time problem mmc: sdhci-iproc: Set NO_HISPD bit to fix HS50 data hold time problem kvm: svm/avic: fix off-by-one in checking host APIC ID libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead arm64/kernel: kaslr: reduce module randomization range to 2 GB arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable gfs2: Fix sign extension bug in gfs2_update_stats btrfs: don't double unlock on error in btrfs_punch_hole Btrfs: do not abort transaction at btrfs_update_root() after failure to COW path Btrfs: avoid fallback to transaction commit during fsync of files with holes Btrfs: fix race between ranged fsync and writeback of adjacent ranges btrfs: sysfs: Fix error path kobject memory leak btrfs: sysfs: don't leak memory when failing add fsid udlfb: fix some inconsistent NULL checking fbdev: fix divide error in fb_var_to_videomode NFSv4.2 fix unnecessary retry in nfs4_copy_file_range NFSv4.1 fix incorrect return value in copy_file_range bpf: add bpf_jit_limit knob to restrict unpriv allocations brcmfmac: assure SSID length from firmware is limited brcmfmac: add subtype check for event handling in data path arm64: errata: Add workaround for Cortex-A76 erratum #1463225 btrfs: honor path->skip_locking in backref code ovl: relax WARN_ON() for overlapping layers use case fbdev: fix WARNING in __alloc_pages_nodemask bug media: cpia2: Fix use-after-free in cpia2_exit media: serial_ir: Fix use-after-free in serial_ir_init_module media: vb2: add waiting_in_dqbuf flag media: vivid: use vfree() instead of kfree() for dev->bitmap_cap ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit bpf: devmap: fix use-after-free Read in __dev_map_entry_free batman-adv: mcast: fix multicast tt/tvlv worker locking at76c50x-usb: Don't register led_trigger if usb_register_driver failed acct_on(): don't mess with freeze protection Revert "btrfs: Honour FITRIM range constraints during free space trim" gfs2: Fix lru_count going negative cxgb4: Fix error path in cxgb4_init_module NFS: make nfs_match_client killable IB/hfi1: Fix WQ_MEM_RECLAIM warning gfs2: Fix occasional glock use-after-free mmc: core: Verify SD bus width tools/bpf: fix perf build error with uClibc (seen on ARC) selftests/bpf: set RLIMIT_MEMLOCK properly for test_libbpf_open.c bpftool: exclude bash-completion/bpftool from .gitignore pattern dmaengine: tegra210-dma: free dma controller in remove() net: ena: gcc 8: fix compilation warning hv_netvsc: fix race that may miss tx queue wakeup Bluetooth: Ignore CC events not matching the last HCI command pinctrl: zte: fix leaked of_node references ASoC: Intel: kbl_da7219_max98357a: Map BTN_0 to KEY_PLAYPAUSE usb: dwc2: gadget: Increase descriptors count for ISOC's usb: dwc3: move synchronize_irq() out of the spinlock protected block ASoC: hdmi-codec: unlock the device on startup errors powerpc/perf: Return accordingly on invalid chip-id in powerpc/boot: Fix missing check of lseek() return value powerpc/perf: Fix loop exit condition in nest_imc_event_init ASoC: imx: fix fiq dependencies spi: pxa2xx: fix SCR (divisor) calculation brcm80211: potential NULL dereference in brcmf_cfg80211_vndr_cmds_dcmd_handler() ACPI / property: fix handling of data_nodes in acpi_get_next_subnode() drm/nouveau/bar/nv50: ensure BAR is mapped media: stm32-dcmi: return appropriate error codes during probe ARM: vdso: Remove dependency with the arch_timer driver internals arm64: Fix compiler warning from pte_unmap() with -Wunused-but-set-variable powerpc/watchdog: Use hrtimers for per-CPU heartbeat sched/cpufreq: Fix kobject memleak scsi: qla2xxx: Fix a qla24xx_enable_msix() error path scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending() scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session() scsi: qla2xxx: Fix hardirq-unsafe locking x86/modules: Avoid breaking W^X while loading modules Btrfs: fix data bytes_may_use underflow with fallocate due to failed quota reserve btrfs: fix panic during relocation after ENOSPC before writeback happens btrfs: Don't panic when we can't find a root key iwlwifi: pcie: don't crash on invalid RX interrupt rtc: 88pm860x: prevent use-after-free on device remove rtc: stm32: manage the get_irq probe defer case scsi: qedi: Abort ep termination if offload not scheduled s390/kexec_file: Fix detection of text segment in ELF loader sched/nohz: Run NOHZ idle load balancer on HK_FLAG_MISC CPUs w1: fix the resume command API s390: qeth: address type mismatch warning dmaengine: pl330: _stop: clear interrupt status mac80211/cfg80211: update bss channel on channel switch libbpf: fix samples/bpf build failure due to undefined UINT32_MAX slimbus: fix a potential NULL pointer dereference in of_qcom_slim_ngd_register ASoC: fsl_sai: Update is_slave_mode with correct value mwifiex: prevent an array overflow rsi: Fix NULL pointer dereference in kmalloc net: cw1200: fix a NULL pointer dereference nvme: set 0 capacity if namespace block size exceeds PAGE_SIZE nvme-rdma: fix a NULL deref when an admin connect times out crypto: sun4i-ss - Fix invalid calculation of hash end bcache: avoid potential memleak of list of journal_replay(s) in the CACHE_SYNC branch of run_cache_set bcache: return error immediately in bch_journal_replay() bcache: fix failure in journal relplay bcache: add failure check to run_cache_set() for journal replay bcache: avoid clang -Wunintialized warning RDMA/cma: Consider scope_id while binding to ipv6 ll address vfio-ccw: Do not call flush_workqueue while holding the spinlock vfio-ccw: Release any channel program when releasing/removing vfio-ccw mdev x86/build: Move _etext to actual end of .text smpboot: Place the __percpu annotation correctly x86/mm: Remove in_nmi() warning from 64-bit implementation of vmalloc_fault() mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions Bluetooth: hci_qca: Give enough time to ROME controller to bootup. HID: logitech-hidpp: use RAP instead of FAP to get the protocol version pinctrl: pistachio: fix leaked of_node references pinctrl: samsung: fix leaked of_node references clk: rockchip: undo several noc and special clocks as critical on rk3288 perf/arm-cci: Remove broken race mitigation dmaengine: at_xdmac: remove BUG_ON macro in tasklet media: coda: clear error return value before picture run media: ov6650: Move v4l2_clk_get() to ov6650_video_probe() helper media: au0828: stop video streaming only when last user stops media: ov2659: make S_FMT succeed even if requested format doesn't match audit: fix a memory leak bug media: stm32-dcmi: fix crash when subdev do not expose any formats media: au0828: Fix NULL pointer dereference in au0828_analog_stream_enable() media: pvrusb2: Prevent a buffer overflow iio: adc: stm32-dfsdm: fix unmet direct dependencies detected block: fix use-after-free on gendisk powerpc/numa: improve control of topology updates powerpc/64: Fix booting large kernels with STRICT_KERNEL_RWX random: fix CRNG initialization when random.trust_cpu=1 random: add a spinlock_t to struct batched_entropy cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock sched/core: Check quota and period overflow at usec to nsec conversion sched/rt: Check integer overflow at usec to nsec conversion sched/core: Handle overflow in cpu_shares_write_u64 staging: vc04_services: handle kzalloc failure drm/msm: a5xx: fix possible object reference leak irq_work: Do not raise an IPI when queueing work on the local CPU thunderbolt: Take domain lock in switch sysfs attribute callbacks s390/qeth: handle error from qeth_update_from_chp_desc() USB: core: Don't unbind interfaces following device reset failure x86/irq/64: Limit IST stack overflow check to #DB stack drm: etnaviv: avoid DMA API warning when importing buffers phy: sun4i-usb: Make sure to disable PHY0 passby for peripheral mode phy: mapphone-mdm6600: add gpiolib dependency i40e: Able to add up to 16 MAC filters on an untrusted VF i40e: don't allow changes to HW VLAN stripping on active port VLANs ACPI/IORT: Reject platform device creation on NUMA node mapping failure arm64: vdso: Fix clock_getres() for CLOCK_REALTIME RDMA/cxgb4: Fix null pointer dereference on alloc_skb failure perf/x86/msr: Add Icelake support perf/x86/intel/rapl: Add Icelake support perf/x86/intel/cstate: Add Icelake support hwmon: (vt1211) Use request_muxed_region for Super-IO accesses hwmon: (smsc47m1) Use request_muxed_region for Super-IO accesses hwmon: (smsc47b397) Use request_muxed_region for Super-IO accesses hwmon: (pc87427) Use request_muxed_region for Super-IO accesses hwmon: (f71805f) Use request_muxed_region for Super-IO accesses scsi: libsas: Do discovery on empty PHY to update PHY info mmc: core: make pwrseq_emmc (partially) support sleepy GPIO controllers mmc_spi: add a status check for spi_sync_locked mmc: sdhci-of-esdhc: add erratum eSDHC5 support mmc: sdhci-of-esdhc: add erratum A-009204 support mmc: sdhci-of-esdhc: add erratum eSDHC-A001 and A-008358 support drm/amdgpu: fix old fence check in amdgpu_fence_emit PM / core: Propagate dev->power.wakeup_path when no callbacks clk: rockchip: Fix video codec clocks on rk3288 extcon: arizona: Disable mic detect if running when driver is removed clk: rockchip: Make rkpwm a critical clock on rk3288 s390: zcrypt: initialize variables before_use x86/microcode: Fix the ancient deprecated microcode loading method s390/mm: silence compiler warning when compiling without CONFIG_PGSTE s390: cio: fix cio_irb declaration selftests: cgroup: fix cleanup path in test_memcg_subtree_control() qmi_wwan: Add quirk for Quectel dynamic config cpufreq: ppc_cbe: fix possible object reference leak cpufreq/pasemi: fix possible object reference leak cpufreq: pmac32: fix possible object reference leak cpufreq: kirkwood: fix possible object reference leak block: sed-opal: fix IOC_OPAL_ENABLE_DISABLE_MBR x86/build: Keep local relocations with ld.lld drm/pl111: fix possible object reference leak iio: ad_sigma_delta: Properly handle SPI bus locking vs CS assertion iio: hmc5843: fix potential NULL pointer dereferences iio: common: ssp_sensors: Initialize calculated_time in ssp_common_process_data iio: adc: ti-ads7950: Fix improper use of mlock selftests/bpf: ksym_search won't check symbols exists rtlwifi: fix a potential NULL pointer dereference mwifiex: Fix mem leak in mwifiex_tm_cmd brcmfmac: fix missing checks for kmemdup b43: shut up clang -Wuninitialized variable warning brcmfmac: convert dev_init_lock mutex to completion brcmfmac: fix WARNING during USB disconnect in case of unempty psq brcmfmac: fix race during disconnect when USB completion is in progress brcmfmac: fix Oops when bringing up interface during USB disconnect rtc: xgene: fix possible race condition rtlwifi: fix potential NULL pointer dereference scsi: ufs: Fix regulator load and icc-level configuration scsi: ufs: Avoid configuring regulator with undefined voltage range drm/panel: otm8009a: Add delay at the end of initialization arm64: cpu_ops: fix a leaked reference by adding missing of_node_put wil6210: fix return code of wmi_mgmt_tx and wmi_mgmt_tx_ext x86/uaccess, ftrace: Fix ftrace_likely_update() vs. SMAP x86/uaccess, signal: Fix AC=1 bloat x86/ia32: Fix ia32_restore_sigcontext() AC leak x86/uaccess: Fix up the fixup chardev: add additional check for minor range overlap RDMA/hns: Fix bad endianess of port_pd variable sh: sh7786: Add explicit I/O cast to sh7786_mm_sel() HID: core: move Usage Page concatenation to Main item ASoC: eukrea-tlv320: fix a leaked reference by adding missing of_node_put ASoC: fsl_utils: fix a leaked reference by adding missing of_node_put cxgb3/l2t: Fix undefined behaviour HID: logitech-hidpp: change low battery level threshold from 31 to 30 percent spi: tegra114: reset controller on probe kobject: Don't trigger kobject_uevent(KOBJ_REMOVE) twice. media: video-mux: fix null pointer dereferences media: wl128x: prevent two potential buffer overflows media: gspca: Kill URBs on USB device disconnect efifb: Omit memory map check on legacy boot thunderbolt: property: Fix a missing check of kzalloc thunderbolt: Fix to check the return value of kmemdup timekeeping: Force upper bound for setting CLOCK_REALTIME scsi: qedf: Add missing return in qedf_post_io_req() in the fcport offload check virtio_console: initialize vtermno value for ports tty: ipwireless: fix missing checks for ioremap overflow: Fix -Wtype-limits compilation warnings x86/mce: Fix machine_check_poll() tests for error types rcutorture: Fix cleanup path for invalid torture_type strings x86/mce: Handle varying MCA bank counts rcuperf: Fix cleanup path for invalid perf_type strings usb: core: Add PM runtime calls to usb_hcd_platform_shutdown scsi: qla4xxx: avoid freeing unallocated dma memory scsi: lpfc: avoid uninitialized variable warning selinux: avoid uninitialized variable warning batman-adv: allow updating DAT entry timeouts on incoming ARP Replies dmaengine: tegra210-adma: use devm_clk_*() helpers hwrng: omap - Set default quality thunderbolt: Fix to check return value of ida_simple_get thunderbolt: Fix to check for kmemdup failure drm/amd/display: fix releasing planes when exiting odm thunderbolt: property: Fix a NULL pointer dereference e1000e: Disable runtime PM on CNP+ tinydrm/mipi-dbi: Use dma-safe buffers for all SPI transfers igb: Exclude device from suspend direct complete optimization media: si2165: fix a missing check of return value media: dvbsky: Avoid leaking dvb frontend media: m88ds3103: serialize reset messages in m88ds3103_set_frontend media: staging: davinci_vpfe: disallow building with COMPILE_TEST drm/amd/display: Fix Divide by 0 in memory calculations drm/amd/display: Set stream->mode_changed when connectors change scsi: ufs: fix a missing check of devm_reset_control_get media: vimc: stream: fix thread state before sleep media: gspca: do not resubmit URBs when streaming has stopped media: go7007: avoid clang frame overflow warning with KASAN media: vimc: zero the media_device on probe scsi: lpfc: Fix FDMI manufacturer attribute value scsi: lpfc: Fix fc4type information for FDMI media: saa7146: avoid high stack usage with clang scsi: lpfc: Fix SLI3 commands being issued on SLI4 devices spi : spi-topcliff-pch: Fix to handle empty DMA buffers drm/omap: dsi: Fix PM for display blank with paired dss_pll calls spi: rspi: Fix sequencer reset during initialization spi: imx: stop buffer overflow in RX FIFO flush spi: Fix zero length xfer bug ASoC: davinci-mcasp: Fix clang warning without CONFIG_PM drm/v3d: Handle errors from IRQ setup. drm/drv: Hold ref on parent device during drm_device lifetime drm: Wake up next in drm_read() chain if we are forced to putback the event drm/sun4i: dsi: Change the start delay calculation vfio-ccw: Prevent quiesce function going into an infinite loop drm/sun4i: dsi: Enforce boundaries on the start delay NFS: Fix a double unlock from nfs_match,get_client Linux 4.19.47 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Daniel T. Lee
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f8f54929bd |
selftests/bpf: ksym_search won't check symbols exists
[ Upstream commit 0979ff7992fb6f4eb837995b12f4071dcafebd2d ] Currently, ksym_search located at trace_helpers won't check symbols are existing or not. In ksym_search, when symbol is not found, it will return &syms[0](_stext). But when the kernel symbols are not loaded, it will return NULL, which is not a desired action. This commit will add verification logic whether symbols are loaded prior to the symbol search. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Roman Gushchin
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1b6141cd05 |
selftests: cgroup: fix cleanup path in test_memcg_subtree_control()
[ Upstream commit e14d314c7a489f060d6d691866fef5f131281718 ]
Dan reported, that cleanup path in test_memcg_subtree_control()
triggers a static checker warning:
./tools/testing/selftests/cgroup/test_memcontrol.c:76 \
test_memcg_subtree_control()
error: uninitialized symbol 'child2'.
Fix this by initializing child2 and parent2 variables and
split the cleanup path into few stages.
Signed-off-by: Roman Gushchin <guro@fb.com>
Fixes:
|
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Daniel T. Lee
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0cbef22f67 |
libbpf: fix samples/bpf build failure due to undefined UINT32_MAX
[ Upstream commit 32e621e55496a0009f44fe4914cd4a23cade4984 ] Currently, building bpf samples will cause the following error. ./tools/lib/bpf/bpf.h:132:27: error: 'UINT32_MAX' undeclared here (not in a function) .. #define BPF_LOG_BUF_SIZE (UINT32_MAX >> 8) /* verifier maximum in kernels <= 5.1 */ ^ ./samples/bpf/bpf_load.h:31:25: note: in expansion of macro 'BPF_LOG_BUF_SIZE' extern char bpf_log_buf[BPF_LOG_BUF_SIZE]; ^~~~~~~~~~~~~~~~ Due to commit 4519efa6f8ea ("libbpf: fix BPF_LOG_BUF_SIZE off-by-one error") hard-coded size of BPF_LOG_BUF_SIZE has been replaced with UINT32_MAX which is defined in <stdint.h> header. Even with this change, bpf selftests are running fine since these are built with clang and it includes header(-idirafter) from clang/6.0.0/include. (it has <stdint.h>) clang -I. -I./include/uapi -I../../../include/uapi -idirafter /usr/local/include -idirafter /usr/include \ -idirafter /usr/lib/llvm-6.0/lib/clang/6.0.0/include -idirafter /usr/include/x86_64-linux-gnu \ -Wno-compare-distinct-pointer-types -O2 -target bpf -emit-llvm -c progs/test_sysctl_prog.c -o - | \ llc -march=bpf -mcpu=generic -filetype=obj -o /linux/tools/testing/selftests/bpf/test_sysctl_prog.o But bpf samples are compiled with GCC, and it only searches and includes headers declared at the target file. As '#include <stdint.h>' hasn't been declared in tools/lib/bpf/bpf.h, it causes build failure of bpf samples. gcc -Wp,-MD,./samples/bpf/.sockex3_user.o.d -Wall -Wmissing-prototypes -Wstrict-prototypes \ -O2 -fomit-frame-pointer -std=gnu89 -I./usr/include -I./tools/lib/ -I./tools/testing/selftests/bpf/ \ -I./tools/ lib/ -I./tools/include -I./tools/perf -c -o ./samples/bpf/sockex3_user.o ./samples/bpf/sockex3_user.c; This commit add declaration of '#include <stdint.h>' to tools/lib/bpf/bpf.h to fix this problem. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Masahiro Yamada
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7ffd692bfc |
bpftool: exclude bash-completion/bpftool from .gitignore pattern
[ Upstream commit a7d006714724de4334c5e3548701b33f7b12ca96 ] tools/bpf/bpftool/.gitignore has the "bpftool" pattern, which is intended to ignore the following build artifact: tools/bpf/bpftool/bpftool However, the .gitignore entry is effective not only for the current directory, but also for any sub-directories. So, from the point of .gitignore grammar, the following check-in file is also considered to be ignored: tools/bpf/bpftool/bash-completion/bpftool As the manual gitignore(5) says "Files already tracked by Git are not affected", this is not a problem as far as Git is concerned. However, Git is not the only program that parses .gitignore because .gitignore is useful to distinguish build artifacts from source files. For example, tar(1) supports the --exclude-vcs-ignore option. As of writing, this option does not work perfectly, but it intends to create a tarball excluding files specified by .gitignore. So, I believe it is better to fix this issue. You can fix it by prefixing the pattern with a slash; the leading slash means the specified pattern is relative to the current directory. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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Yonghong Song
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6d9f8909e5 |
selftests/bpf: set RLIMIT_MEMLOCK properly for test_libbpf_open.c
[ Upstream commit 6cea33701eb024bc6c920ab83940ee22afd29139 ] Test test_libbpf.sh failed on my development server with failure -bash-4.4$ sudo ./test_libbpf.sh [0] libbpf: Error in bpf_object__probe_name():Operation not permitted(1). Couldn't load basic 'r0 = 0' BPF program. test_libbpf: failed at file test_l4lb.o selftests: test_libbpf [FAILED] -bash-4.4$ The reason is because my machine has 64KB locked memory by default which is not enough for this program to get locked memory. Similar to other bpf selftests, let us increase RLIMIT_MEMLOCK to infinity, which fixed the issue. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |