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This is the 4.19.62 stable release

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Merge 4.19.62 into android-4.19

Changes in 4.19.62
	bnx2x: Prevent load reordering in tx completion processing
	caif-hsi: fix possible deadlock in cfhsi_exit_module()
	hv_netvsc: Fix extra rcu_read_unlock in netvsc_recv_callback()
	igmp: fix memory leak in igmpv3_del_delrec()
	ipv4: don't set IPv6 only flags to IPv4 addresses
	ipv6: rt6_check should return NULL if 'from' is NULL
	ipv6: Unlink sibling route in case of failure
	net: bcmgenet: use promisc for unsupported filters
	net: dsa: mv88e6xxx: wait after reset deactivation
	net: make skb_dst_force return true when dst is refcounted
	net: neigh: fix multiple neigh timer scheduling
	net: openvswitch: fix csum updates for MPLS actions
	net: phy: sfp: hwmon: Fix scaling of RX power
	net: stmmac: Re-work the queue selection for TSO packets
	nfc: fix potential illegal memory access
	r8169: fix issue with confused RX unit after PHY power-down on RTL8411b
	rxrpc: Fix send on a connected, but unbound socket
	sctp: fix error handling on stream scheduler initialization
	sky2: Disable MSI on ASUS P6T
	tcp: be more careful in tcp_fragment()
	tcp: fix tcp_set_congestion_control() use from bpf hook
	tcp: Reset bytes_acked and bytes_received when disconnecting
	vrf: make sure skb->data contains ip header to make routing
	net/mlx5e: IPoIB, Add error path in mlx5_rdma_setup_rn
	macsec: fix use-after-free of skb during RX
	macsec: fix checksumming after decryption
	netrom: fix a memory leak in nr_rx_frame()
	netrom: hold sock when setting skb->destructor
	net_sched: unset TCQ_F_CAN_BYPASS when adding filters
	net/tls: make sure offload also gets the keys wiped
	sctp: not bind the socket in sctp_connect
	net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
	net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
	net: bridge: don't cache ether dest pointer on input
	net: bridge: stp: don't cache eth dest pointer before skb pull
	dma-buf: balance refcount inbalance
	dma-buf: Discard old fence_excl on retrying get_fences_rcu for realloc
	gpio: davinci: silence error prints in case of EPROBE_DEFER
	MIPS: lb60: Fix pin mappings
	perf/core: Fix exclusive events' grouping
	perf/core: Fix race between close() and fork()
	ext4: don't allow any modifications to an immutable file
	ext4: enforce the immutable flag on open files
	mm: add filemap_fdatawait_range_keep_errors()
	jbd2: introduce jbd2_inode dirty range scoping
	ext4: use jbd2_inode dirty range scoping
	ext4: allow directory holes
	KVM: nVMX: do not use dangling shadow VMCS after guest reset
	KVM: nVMX: Clear pending KVM_REQ_GET_VMCS12_PAGES when leaving nested
	mm: vmscan: scan anonymous pages on file refaults
	net: sched: verify that q!=NULL before setting q->flags
	Linux 4.19.62

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2eb23bda9d5294a5c874fe4f403934fd99e84661
This commit is contained in:
Greg Kroah-Hartman 2019-07-28 08:43:04 +02:00
commit f232ce65ba
61 changed files with 669 additions and 233 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
SUBLEVEL = 61
SUBLEVEL = 62
EXTRAVERSION =
NAME = "People's Front"

16
arch/mips/jz4740/board-qi_lb60.c
View file

@ -471,27 +471,27 @@ static unsigned long pin_cfg_bias_disable[] = {
static struct pinctrl_map pin_map[] __initdata = {
/* NAND pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
"10010000.jz4740-pinctrl", "nand", "nand-cs1"),
"10010000.pin-controller", "nand-cs1", "nand"),
/* fbdev pin configuration */
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
"10010000.jz4740-pinctrl", "lcd", "lcd-8bit"),
"10010000.pin-controller", "lcd-8bit", "lcd"),
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
"10010000.jz4740-pinctrl", "lcd", "lcd-no-pins"),
"10010000.pin-controller", "lcd-no-pins", "lcd"),
/* MMC pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
"10010000.jz4740-pinctrl", "mmc", "mmc-1bit"),
"10010000.pin-controller", "mmc-1bit", "mmc"),
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
"10010000.jz4740-pinctrl", "mmc", "mmc-4bit"),
"10010000.pin-controller", "mmc-4bit", "mmc"),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
"10010000.jz4740-pinctrl", "PD0", pin_cfg_bias_disable),
"10010000.pin-controller", "PD0", pin_cfg_bias_disable),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
"10010000.jz4740-pinctrl", "PD2", pin_cfg_bias_disable),
"10010000.pin-controller", "PD2", pin_cfg_bias_disable),
/* PWM pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
"10010000.jz4740-pinctrl", "pwm4", "pwm4"),
"10010000.pin-controller", "pwm4", "pwm4"),
};

10
arch/x86/kvm/vmx.c
View file

@ -8457,6 +8457,7 @@ static void vmx_disable_shadow_vmcs(struct vcpu_vmx *vmx)
{
vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS);
vmcs_write64(VMCS_LINK_POINTER, -1ull);
vmx->nested.sync_shadow_vmcs = false;
}
static inline void nested_release_vmcs12(struct vcpu_vmx *vmx)
@ -8468,7 +8469,6 @@ static inline void nested_release_vmcs12(struct vcpu_vmx *vmx)
/* copy to memory all shadowed fields in case
they were modified */
copy_shadow_to_vmcs12(vmx);
vmx->nested.sync_shadow_vmcs = false;
vmx_disable_shadow_vmcs(vmx);
}
vmx->nested.posted_intr_nv = -1;
@ -8490,6 +8490,8 @@ static void free_nested(struct vcpu_vmx *vmx)
if (!vmx->nested.vmxon && !vmx->nested.smm.vmxon)
return;
kvm_clear_request(KVM_REQ_GET_VMCS12_PAGES, &vmx->vcpu);
hrtimer_cancel(&vmx->nested.preemption_timer);
vmx->nested.vmxon = false;
vmx->nested.smm.vmxon = false;
@ -8668,6 +8670,9 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx)
u64 field_value;
struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs;
if (WARN_ON(!shadow_vmcs))
return;
preempt_disable();
vmcs_load(shadow_vmcs);
@ -8706,6 +8711,9 @@ static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx)
u64 field_value = 0;
struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs;
if (WARN_ON(!shadow_vmcs))
return;
vmcs_load(shadow_vmcs);
for (q = 0; q < ARRAY_SIZE(fields); q++) {

1
drivers/dma-buf/dma-buf.c
View file

@ -1069,6 +1069,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
dma_fence_is_signaled(fence) ? "" : "un");
dma_fence_put(fence);
}
rcu_read_unlock();

4
drivers/dma-buf/reservation.c
View file

@ -416,6 +416,10 @@ int reservation_object_get_fences_rcu(struct reservation_object *obj,
GFP_NOWAIT | __GFP_NOWARN);
if (!nshared) {
rcu_read_unlock();
dma_fence_put(fence_excl);
fence_excl = NULL;
nshared = krealloc(shared, sz, GFP_KERNEL);
if (nshared) {
shared = nshared;

5
drivers/gpio/gpio-davinci.c
View file

@ -222,8 +222,9 @@ static int davinci_gpio_probe(struct platform_device *pdev)
for (i = 0; i < nirq; i++) {
chips->irqs[i] = platform_get_irq(pdev, i);
if (chips->irqs[i] < 0) {
dev_info(dev, "IRQ not populated, err = %d\n",
chips->irqs[i]);
if (chips->irqs[i] != -EPROBE_DEFER)
dev_info(dev, "IRQ not populated, err = %d\n",
chips->irqs[i]);
return chips->irqs[i];
}
}

2
drivers/net/caif/caif_hsi.c
View file

@ -1455,7 +1455,7 @@ static void __exit cfhsi_exit_module(void)
rtnl_lock();
list_for_each_safe(list_node, n, &cfhsi_list) {
cfhsi = list_entry(list_node, struct cfhsi, list);
unregister_netdev(cfhsi->ndev);
unregister_netdevice(cfhsi->ndev);
}
rtnl_unlock();
}

2
drivers/net/dsa/mv88e6xxx/chip.c
View file

@ -4816,6 +4816,8 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
err = PTR_ERR(chip->reset);
goto out;
}
if (chip->reset)
usleep_range(1000, 2000);
err = mv88e6xxx_detect(chip);
if (err)

3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View file

@ -286,6 +286,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
sw_cons = txdata->tx_pkt_cons;
/* Ensure subsequent loads occur after hw_cons */
smp_rmb();
while (sw_cons != hw_cons) {
u16 pkt_cons;

57
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View file

@ -3086,39 +3086,42 @@ static void bcmgenet_timeout(struct net_device *dev)
netif_tx_wake_all_queues(dev);
}
#define MAX_MC_COUNT 16
#define MAX_MDF_FILTER 17
static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv,
unsigned char *addr,
int *i,
int *mc)
int *i)
{
u32 reg;
bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1],
UMAC_MDF_ADDR + (*i * 4));
bcmgenet_umac_writel(priv, addr[2] << 24 | addr[3] << 16 |
addr[4] << 8 | addr[5],
UMAC_MDF_ADDR + ((*i + 1) * 4));
reg = bcmgenet_umac_readl(priv, UMAC_MDF_CTRL);
reg |= (1 << (MAX_MC_COUNT - *mc));
bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
*i += 2;
(*mc)++;
}
static void bcmgenet_set_rx_mode(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct netdev_hw_addr *ha;
int i, mc;
int i, nfilter;
u32 reg;
netif_dbg(priv, hw, dev, "%s: %08X\n", __func__, dev->flags);
/* Promiscuous mode */
/* Number of filters needed */
nfilter = netdev_uc_count(dev) + netdev_mc_count(dev) + 2;
/*
* Turn on promicuous mode for three scenarios
* 1. IFF_PROMISC flag is set
* 2. IFF_ALLMULTI flag is set
* 3. The number of filters needed exceeds the number filters
* supported by the hardware.
*/
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
if (dev->flags & IFF_PROMISC) {
if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) ||
(nfilter > MAX_MDF_FILTER)) {
reg |= CMD_PROMISC;
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
bcmgenet_umac_writel(priv, 0, UMAC_MDF_CTRL);
@ -3128,32 +3131,24 @@ static void bcmgenet_set_rx_mode(struct net_device *dev)
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
}
/* UniMac doesn't support ALLMULTI */
if (dev->flags & IFF_ALLMULTI) {
netdev_warn(dev, "ALLMULTI is not supported\n");
return;
}
/* update MDF filter */
i = 0;
mc = 0;
/* Broadcast */
bcmgenet_set_mdf_addr(priv, dev->broadcast, &i, &mc);
bcmgenet_set_mdf_addr(priv, dev->broadcast, &i);
/* my own address.*/
bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i, &mc);
/* Unicast list*/
if (netdev_uc_count(dev) > (MAX_MC_COUNT - mc))
return;
bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i);
/* Unicast */
netdev_for_each_uc_addr(ha, dev)
bcmgenet_set_mdf_addr(priv, ha->addr, &i);
if (!netdev_uc_empty(dev))
netdev_for_each_uc_addr(ha, dev)
bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
/* Multicast */
if (netdev_mc_empty(dev) || netdev_mc_count(dev) >= (MAX_MC_COUNT - mc))
return;
netdev_for_each_mc_addr(ha, dev)
bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
bcmgenet_set_mdf_addr(priv, ha->addr, &i);
/* Enable filters */
reg = GENMASK(MAX_MDF_FILTER - 1, MAX_MDF_FILTER - nfilter);
bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
}
/* Set the hardware MAC address. */

7
drivers/net/ethernet/marvell/sky2.c
View file

@ -4947,6 +4947,13 @@ static const struct dmi_system_id msi_blacklist[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "P-79"),
},
},
{
.ident = "ASUS P6T",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
DMI_MATCH(DMI_BOARD_NAME, "P6T"),
},
},
{}
};

9
drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
View file

@ -662,7 +662,9 @@ struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
profile->init(mdev, netdev, profile, ipriv);
mlx5e_attach_netdev(epriv);
err = mlx5e_attach_netdev(epriv);
if (err)
goto detach;
netif_carrier_off(netdev);
/* set rdma_netdev func pointers */
@ -678,6 +680,11 @@ struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
return netdev;
detach:
profile->cleanup(epriv);
if (ipriv->sub_interface)
return NULL;
mlx5e_destroy_mdev_resources(mdev);
destroy_ht:
mlx5i_pkey_qpn_ht_cleanup(netdev);
destroy_wq:

137
drivers/net/ethernet/realtek/r8169.c
View file

@ -5202,6 +5202,143 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
/* disable aspm and clock request before access ephy */
rtl_hw_aspm_clkreq_enable(tp, false);
rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2));
/* The following Realtek-provided magic fixes an issue with the RX unit
* getting confused after the PHY having been powered-down.
*/
r8168_mac_ocp_write(tp, 0xFC28, 0x0000);
r8168_mac_ocp_write(tp, 0xFC2A, 0x0000);
r8168_mac_ocp_write(tp, 0xFC2C, 0x0000);
r8168_mac_ocp_write(tp, 0xFC2E, 0x0000);
r8168_mac_ocp_write(tp, 0xFC30, 0x0000);
r8168_mac_ocp_write(tp, 0xFC32, 0x0000);
r8168_mac_ocp_write(tp, 0xFC34, 0x0000);
r8168_mac_ocp_write(tp, 0xFC36, 0x0000);
mdelay(3);
r8168_mac_ocp_write(tp, 0xFC26, 0x0000);
r8168_mac_ocp_write(tp, 0xF800, 0xE008);
r8168_mac_ocp_write(tp, 0xF802, 0xE00A);
r8168_mac_ocp_write(tp, 0xF804, 0xE00C);
r8168_mac_ocp_write(tp, 0xF806, 0xE00E);
r8168_mac_ocp_write(tp, 0xF808, 0xE027);
r8168_mac_ocp_write(tp, 0xF80A, 0xE04F);
r8168_mac_ocp_write(tp, 0xF80C, 0xE05E);
r8168_mac_ocp_write(tp, 0xF80E, 0xE065);
r8168_mac_ocp_write(tp, 0xF810, 0xC602);
r8168_mac_ocp_write(tp, 0xF812, 0xBE00);
r8168_mac_ocp_write(tp, 0xF814, 0x0000);
r8168_mac_ocp_write(tp, 0xF816, 0xC502);
r8168_mac_ocp_write(tp, 0xF818, 0xBD00);
r8168_mac_ocp_write(tp, 0xF81A, 0x074C);
r8168_mac_ocp_write(tp, 0xF81C, 0xC302);
r8168_mac_ocp_write(tp, 0xF81E, 0xBB00);
r8168_mac_ocp_write(tp, 0xF820, 0x080A);
r8168_mac_ocp_write(tp, 0xF822, 0x6420);
r8168_mac_ocp_write(tp, 0xF824, 0x48C2);
r8168_mac_ocp_write(tp, 0xF826, 0x8C20);
r8168_mac_ocp_write(tp, 0xF828, 0xC516);
r8168_mac_ocp_write(tp, 0xF82A, 0x64A4);
r8168_mac_ocp_write(tp, 0xF82C, 0x49C0);
r8168_mac_ocp_write(tp, 0xF82E, 0xF009);
r8168_mac_ocp_write(tp, 0xF830, 0x74A2);
r8168_mac_ocp_write(tp, 0xF832, 0x8CA5);
r8168_mac_ocp_write(tp, 0xF834, 0x74A0);
r8168_mac_ocp_write(tp, 0xF836, 0xC50E);
r8168_mac_ocp_write(tp, 0xF838, 0x9CA2);
r8168_mac_ocp_write(tp, 0xF83A, 0x1C11);
r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0);
r8168_mac_ocp_write(tp, 0xF83E, 0xE006);
r8168_mac_ocp_write(tp, 0xF840, 0x74F8);
r8168_mac_ocp_write(tp, 0xF842, 0x48C4);
r8168_mac_ocp_write(tp, 0xF844, 0x8CF8);
r8168_mac_ocp_write(tp, 0xF846, 0xC404);
r8168_mac_ocp_write(tp, 0xF848, 0xBC00);
r8168_mac_ocp_write(tp, 0xF84A, 0xC403);
r8168_mac_ocp_write(tp, 0xF84C, 0xBC00);
r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2);
r8168_mac_ocp_write(tp, 0xF850, 0x0C0A);
r8168_mac_ocp_write(tp, 0xF852, 0xE434);
r8168_mac_ocp_write(tp, 0xF854, 0xD3C0);
r8168_mac_ocp_write(tp, 0xF856, 0x49D9);
r8168_mac_ocp_write(tp, 0xF858, 0xF01F);
r8168_mac_ocp_write(tp, 0xF85A, 0xC526);
r8168_mac_ocp_write(tp, 0xF85C, 0x64A5);
r8168_mac_ocp_write(tp, 0xF85E, 0x1400);
r8168_mac_ocp_write(tp, 0xF860, 0xF007);
r8168_mac_ocp_write(tp, 0xF862, 0x0C01);
r8168_mac_ocp_write(tp, 0xF864, 0x8CA5);
r8168_mac_ocp_write(tp, 0xF866, 0x1C15);
r8168_mac_ocp_write(tp, 0xF868, 0xC51B);
r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0);
r8168_mac_ocp_write(tp, 0xF86C, 0xE013);
r8168_mac_ocp_write(tp, 0xF86E, 0xC519);
r8168_mac_ocp_write(tp, 0xF870, 0x74A0);
r8168_mac_ocp_write(tp, 0xF872, 0x48C4);
r8168_mac_ocp_write(tp, 0xF874, 0x8CA0);
r8168_mac_ocp_write(tp, 0xF876, 0xC516);
r8168_mac_ocp_write(tp, 0xF878, 0x74A4);
r8168_mac_ocp_write(tp, 0xF87A, 0x48C8);
r8168_mac_ocp_write(tp, 0xF87C, 0x48CA);
r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4);
r8168_mac_ocp_write(tp, 0xF880, 0xC512);
r8168_mac_ocp_write(tp, 0xF882, 0x1B00);
r8168_mac_ocp_write(tp, 0xF884, 0x9BA0);
r8168_mac_ocp_write(tp, 0xF886, 0x1B1C);
r8168_mac_ocp_write(tp, 0xF888, 0x483F);
r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2);
r8168_mac_ocp_write(tp, 0xF88C, 0x1B04);
r8168_mac_ocp_write(tp, 0xF88E, 0xC508);
r8168_mac_ocp_write(tp, 0xF890, 0x9BA0);
r8168_mac_ocp_write(tp, 0xF892, 0xC505);
r8168_mac_ocp_write(tp, 0xF894, 0xBD00);
r8168_mac_ocp_write(tp, 0xF896, 0xC502);
r8168_mac_ocp_write(tp, 0xF898, 0xBD00);
r8168_mac_ocp_write(tp, 0xF89A, 0x0300);
r8168_mac_ocp_write(tp, 0xF89C, 0x051E);
r8168_mac_ocp_write(tp, 0xF89E, 0xE434);
r8168_mac_ocp_write(tp, 0xF8A0, 0xE018);
r8168_mac_ocp_write(tp, 0xF8A2, 0xE092);
r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20);
r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0);
r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F);
r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4);
r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3);
r8168_mac_ocp_write(tp, 0xF8AE, 0xF007);
r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0);
r8168_mac_ocp_write(tp, 0xF8B2, 0xF103);
r8168_mac_ocp_write(tp, 0xF8B4, 0xC607);
r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00);
r8168_mac_ocp_write(tp, 0xF8B8, 0xC606);
r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00);
r8168_mac_ocp_write(tp, 0xF8BC, 0xC602);
r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00);
r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C);
r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28);
r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C);
r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00);
r8168_mac_ocp_write(tp, 0xF8C8, 0xC707);
r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00);
r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2);
r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1);
r8168_mac_ocp_write(tp, 0xF8D0, 0xC502);
r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00);
r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA);
r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0);
r8168_mac_ocp_write(tp, 0xF8D8, 0xC502);
r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00);
r8168_mac_ocp_write(tp, 0xF8DC, 0x0132);
r8168_mac_ocp_write(tp, 0xFC26, 0x8000);
r8168_mac_ocp_write(tp, 0xFC2A, 0x0743);
r8168_mac_ocp_write(tp, 0xFC2C, 0x0801);
r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9);
r8168_mac_ocp_write(tp, 0xFC30, 0x02FD);
r8168_mac_ocp_write(tp, 0xFC32, 0x0C25);
r8168_mac_ocp_write(tp, 0xFC34, 0x00A9);
r8168_mac_ocp_write(tp, 0xFC36, 0x012D);
rtl_hw_aspm_clkreq_enable(tp, true);
}

29
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View file

@ -3036,17 +3036,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
/* Manage oversized TCP frames for GMAC4 device */
if (skb_is_gso(skb) && priv->tso) {
if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
/*
* There is no way to determine the number of TSO
* capable Queues. Let's use always the Queue 0
* because if TSO is supported then at least this
* one will be capable.
*/
skb_set_queue_mapping(skb, 0);
if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))
return stmmac_tso_xmit(skb, dev);
}
}
if (unlikely(stmmac_tx_avail(priv, queue) < nfrags + 1)) {
@ -3855,6 +3846,23 @@ static int stmmac_setup_tc(struct net_device *ndev, enum tc_setup_type type,
}
}
static u16 stmmac_select_queue(struct net_device *dev, struct sk_buff *skb,
struct net_device *sb_dev,
select_queue_fallback_t fallback)
{
if (skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
/*
* There is no way to determine the number of TSO
* capable Queues. Let's use always the Queue 0
* because if TSO is supported then at least this
* one will be capable.
*/
return 0;
}
return fallback(dev, skb, NULL) % dev->real_num_tx_queues;
}
static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
{
struct stmmac_priv *priv = netdev_priv(ndev);
@ -4097,6 +4105,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
.ndo_tx_timeout = stmmac_tx_timeout,
.ndo_do_ioctl = stmmac_ioctl,
.ndo_setup_tc = stmmac_setup_tc,
.ndo_select_queue = stmmac_select_queue,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif

1
drivers/net/hyperv/netvsc_drv.c
View file

@ -847,7 +847,6 @@ int netvsc_recv_callback(struct net_device *net,
csum_info, vlan, data, len);
if (unlikely(!skb)) {
++net_device_ctx->eth_stats.rx_no_memory;
rcu_read_unlock();
return NVSP_STAT_FAIL;
}

6
drivers/net/macsec.c
View file

@ -869,6 +869,7 @@ static void macsec_reset_skb(struct sk_buff *skb, struct net_device *dev)
static void macsec_finalize_skb(struct sk_buff *skb, u8 icv_len, u8 hdr_len)
{
skb->ip_summed = CHECKSUM_NONE;
memmove(skb->data + hdr_len, skb->data, 2 * ETH_ALEN);
skb_pull(skb, hdr_len);
pskb_trim_unique(skb, skb->len - icv_len);
@ -1103,10 +1104,9 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
}
skb = skb_unshare(skb, GFP_ATOMIC);
if (!skb) {
*pskb = NULL;
*pskb = skb;
if (!skb)
return RX_HANDLER_CONSUMED;
}
pulled_sci = pskb_may_pull(skb, macsec_extra_len(true));
if (!pulled_sci) {

2
drivers/net/phy/sfp.c
View file

@ -514,7 +514,7 @@ static int sfp_hwmon_read_sensor(struct sfp *sfp, int reg, long *value)
static void sfp_hwmon_to_rx_power(long *value)
{
*value = DIV_ROUND_CLOSEST(*value, 100);
*value = DIV_ROUND_CLOSEST(*value, 10);
}
static void sfp_hwmon_calibrate(struct sfp *sfp, unsigned int slope, int offset,

58
drivers/net/vrf.c
View file

@ -169,23 +169,29 @@ static int vrf_ip6_local_out(struct net *net, struct sock *sk,
static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb,
struct net_device *dev)
{
const struct ipv6hdr *iph = ipv6_hdr(skb);
const struct ipv6hdr *iph;
struct net *net = dev_net(skb->dev);
struct flowi6 fl6 = {
/* needed to match OIF rule */
.flowi6_oif = dev->ifindex,
.flowi6_iif = LOOPBACK_IFINDEX,
.daddr = iph->daddr,
.saddr = iph->saddr,
.flowlabel = ip6_flowinfo(iph),
.flowi6_mark = skb->mark,
.flowi6_proto = iph->nexthdr,
.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF,
};
struct flowi6 fl6;
int ret = NET_XMIT_DROP;
struct dst_entry *dst;
struct dst_entry *dst_null = &net->ipv6.ip6_null_entry->dst;
if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct ipv6hdr)))
goto err;
iph = ipv6_hdr(skb);
memset(&fl6, 0, sizeof(fl6));
/* needed to match OIF rule */
fl6.flowi6_oif = dev->ifindex;
fl6.flowi6_iif = LOOPBACK_IFINDEX;
fl6.daddr = iph->daddr;
fl6.saddr = iph->saddr;
fl6.flowlabel = ip6_flowinfo(iph);
fl6.flowi6_mark = skb->mark;
fl6.flowi6_proto = iph->nexthdr;
fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF;
dst = ip6_route_output(net, NULL, &fl6);
if (dst == dst_null)
goto err;
@ -241,21 +247,27 @@ static int vrf_ip_local_out(struct net *net, struct sock *sk,
static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb,
struct net_device *vrf_dev)
{
struct iphdr *ip4h = ip_hdr(skb);
struct iphdr *ip4h;
int ret = NET_XMIT_DROP;
struct flowi4 fl4 = {
/* needed to match OIF rule */
.flowi4_oif = vrf_dev->ifindex,
.flowi4_iif = LOOPBACK_IFINDEX,
.flowi4_tos = RT_TOS(ip4h->tos),
.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF,
.flowi4_proto = ip4h->protocol,
.daddr = ip4h->daddr,
.saddr = ip4h->saddr,
};
struct flowi4 fl4;
struct net *net = dev_net(vrf_dev);
struct rtable *rt;
if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct iphdr)))
goto err;
ip4h = ip_hdr(skb);
memset(&fl4, 0, sizeof(fl4));
/* needed to match OIF rule */
fl4.flowi4_oif = vrf_dev->ifindex;
fl4.flowi4_iif = LOOPBACK_IFINDEX;
fl4.flowi4_tos = RT_TOS(ip4h->tos);
fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF;
fl4.flowi4_proto = ip4h->protocol;
fl4.daddr = ip4h->daddr;
fl4.saddr = ip4h->saddr;
rt = ip_route_output_flow(net, &fl4, NULL);
if (IS_ERR(rt))
goto err;

19
fs/ext4/dir.c
View file

@ -108,7 +108,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct buffer_head *bh = NULL;
int dir_has_error = 0;
struct fscrypt_str fstr = FSTR_INIT(NULL, 0);
if (IS_ENCRYPTED(inode)) {
@ -144,8 +143,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
return err;
}
offset = ctx->pos & (sb->s_blocksize - 1);
while (ctx->pos < inode->i_size) {
struct ext4_map_blocks map;
@ -154,9 +151,18 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
goto errout;
}
cond_resched();
offset = ctx->pos & (sb->s_blocksize - 1);
map.m_lblk = ctx->pos >> EXT4_BLOCK_SIZE_BITS(sb);
map.m_len = 1;
err = ext4_map_blocks(NULL, inode, &map, 0);
if (err == 0) {
/* m_len should never be zero but let's avoid
* an infinite loop if it somehow is */
if (map.m_len == 0)
map.m_len = 1;
ctx->pos += map.m_len * sb->s_blocksize;
continue;
}
if (err > 0) {
pgoff_t index = map.m_pblk >>
(PAGE_SHIFT - inode->i_blkbits);
@ -175,13 +181,6 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
}
if (!bh) {
if (!dir_has_error) {
EXT4_ERROR_FILE(file, 0,
"directory contains a "
"hole at offset %llu",
(unsigned long long) ctx->pos);
dir_has_error = 1;
}
/* corrupt size? Maybe no more blocks to read */
if (ctx->pos > inode->i_blocks << 9)
break;

12
fs/ext4/ext4_jbd2.h
View file

@ -361,20 +361,20 @@ static inline int ext4_journal_force_commit(journal_t *journal)
}
static inline int ext4_jbd2_inode_add_write(handle_t *handle,
struct inode *inode)
struct inode *inode, loff_t start_byte, loff_t length)
{
if (ext4_handle_valid(handle))
return jbd2_journal_inode_add_write(handle,
EXT4_I(inode)->jinode);
return jbd2_journal_inode_ranged_write(handle,
EXT4_I(inode)->jinode, start_byte, length);
return 0;
}
static inline int ext4_jbd2_inode_add_wait(handle_t *handle,
struct inode *inode)
struct inode *inode, loff_t start_byte, loff_t length)
{
if (ext4_handle_valid(handle))
return jbd2_journal_inode_add_wait(handle,
EXT4_I(inode)->jinode);
return jbd2_journal_inode_ranged_wait(handle,
EXT4_I(inode)->jinode, start_byte, length);
return 0;
}

4
fs/ext4/file.c
View file

@ -165,6 +165,10 @@ static ssize_t ext4_write_checks(struct kiocb *iocb, struct iov_iter *from)
ret = generic_write_checks(iocb, from);
if (ret <= 0)
return ret;
if (unlikely(IS_IMMUTABLE(inode)))
return -EPERM;
/*
* If we have encountered a bitmap-format file, the size limit
* is smaller than s_maxbytes, which is for extent-mapped files.

24
fs/ext4/inode.c
View file

@ -730,10 +730,16 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
!(flags & EXT4_GET_BLOCKS_ZERO) &&
!ext4_is_quota_file(inode) &&
ext4_should_order_data(inode)) {
loff_t start_byte =
(loff_t)map->m_lblk << inode->i_blkbits;
loff_t length = (loff_t)map->m_len << inode->i_blkbits;
if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
ret = ext4_jbd2_inode_add_wait(handle, inode);
ret = ext4_jbd2_inode_add_wait(handle, inode,
start_byte, length);
else
ret = ext4_jbd2_inode_add_write(handle, inode);
ret = ext4_jbd2_inode_add_write(handle, inode,
start_byte, length);
if (ret)
return ret;
}
@ -4111,7 +4117,8 @@ static int __ext4_block_zero_page_range(handle_t *handle,
err = 0;
mark_buffer_dirty(bh);
if (ext4_should_order_data(inode))
err = ext4_jbd2_inode_add_write(handle, inode);
err = ext4_jbd2_inode_add_write(handle, inode, from,
length);
}
unlock:
@ -5544,6 +5551,14 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
return -EIO;
if (unlikely(IS_IMMUTABLE(inode)))
return -EPERM;
if (unlikely(IS_APPEND(inode) &&
(ia_valid & (ATTR_MODE | ATTR_UID |
ATTR_GID | ATTR_TIMES_SET))))
return -EPERM;
error = setattr_prepare(dentry, attr);
if (error)
return error;
@ -6243,6 +6258,9 @@ int ext4_page_mkwrite(struct vm_fault *vmf)
get_block_t *get_block;
int retries = 0;
if (unlikely(IS_IMMUTABLE(inode)))
return VM_FAULT_SIGBUS;
sb_start_pagefault(inode->i_sb);
file_update_time(vma->vm_file);

46
fs/ext4/ioctl.c
View file

@ -268,6 +268,29 @@ static int uuid_is_zero(__u8 u[16])
}
#endif
/*
* If immutable is set and we are not clearing it, we're not allowed to change
* anything else in the inode. Don't error out if we're only trying to set
* immutable on an immutable file.
*/
static int ext4_ioctl_check_immutable(struct inode *inode, __u32 new_projid,
unsigned int flags)
{
struct ext4_inode_info *ei = EXT4_I(inode);
unsigned int oldflags = ei->i_flags;
if (!(oldflags & EXT4_IMMUTABLE_FL) || !(flags & EXT4_IMMUTABLE_FL))
return 0;
if ((oldflags & ~EXT4_IMMUTABLE_FL) != (flags & ~EXT4_IMMUTABLE_FL))
return -EPERM;
if (ext4_has_feature_project(inode->i_sb) &&
__kprojid_val(ei->i_projid) != new_projid)
return -EPERM;
return 0;
}
static int ext4_ioctl_setflags(struct inode *inode,
unsigned int flags)
{
@ -321,6 +344,20 @@ static int ext4_ioctl_setflags(struct inode *inode,
goto flags_out;
}
/*
* Wait for all pending directio and then flush all the dirty pages
* for this file. The flush marks all the pages readonly, so any
* subsequent attempt to write to the file (particularly mmap pages)
* will come through the filesystem and fail.
*/
if (S_ISREG(inode->i_mode) && !IS_IMMUTABLE(inode) &&
(flags & EXT4_IMMUTABLE_FL)) {
inode_dio_wait(inode);
err = filemap_write_and_wait(inode->i_mapping);
if (err)
goto flags_out;
}
handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
@ -750,7 +787,11 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return err;
inode_lock(inode);
err = ext4_ioctl_setflags(inode, flags);
err = ext4_ioctl_check_immutable(inode,
from_kprojid(&init_user_ns, ei->i_projid),
flags);
if (!err)
err = ext4_ioctl_setflags(inode, flags);
inode_unlock(inode);
mnt_drop_write_file(filp);
return err;
@ -1120,6 +1161,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
goto out;
flags = (ei->i_flags & ~EXT4_FL_XFLAG_VISIBLE) |
(flags & EXT4_FL_XFLAG_VISIBLE);
err = ext4_ioctl_check_immutable(inode, fa.fsx_projid, flags);
if (err)
goto out;
err = ext4_ioctl_setflags(inode, flags);
if (err)
goto out;

3
fs/ext4/move_extent.c
View file

@ -390,7 +390,8 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
/* Even in case of data=writeback it is reasonable to pin
* inode to transaction, to prevent unexpected data loss */
*err = ext4_jbd2_inode_add_write(handle, orig_inode);
*err = ext4_jbd2_inode_add_write(handle, orig_inode,
(loff_t)orig_page_offset << PAGE_SHIFT, replaced_size);
unlock_pages:
unlock_page(pagep[0]);

45
fs/ext4/namei.c
View file

@ -81,8 +81,18 @@ static struct buffer_head *ext4_append(handle_t *handle,
static int ext4_dx_csum_verify(struct inode *inode,
struct ext4_dir_entry *dirent);
/*
* Hints to ext4_read_dirblock regarding whether we expect a directory
* block being read to be an index block, or a block containing
* directory entries (and if the latter, whether it was found via a
* logical block in an htree index block). This is used to control
* what sort of sanity checkinig ext4_read_dirblock() will do on the
* directory block read from the storage device. EITHER will means
* the caller doesn't know what kind of directory block will be read,
* so no specific verification will be done.
*/
typedef enum {
EITHER, INDEX, DIRENT
EITHER, INDEX, DIRENT, DIRENT_HTREE
} dirblock_type_t;
#define ext4_read_dirblock(inode, block, type) \
@ -108,11 +118,14 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
return bh;
}
if (!bh) {
if (!bh && (type == INDEX || type == DIRENT_HTREE)) {
ext4_error_inode(inode, func, line, block,
"Directory hole found");
"Directory hole found for htree %s block",
(type == INDEX) ? "index" : "leaf");
return ERR_PTR(-EFSCORRUPTED);
}
if (!bh)
return NULL;
dirent = (struct ext4_dir_entry *) bh->b_data;
/* Determine whether or not we have an index block */
if (is_dx(inode)) {
@ -979,7 +992,7 @@ static int htree_dirblock_to_tree(struct file *dir_file,
dxtrace(printk(KERN_INFO "In htree dirblock_to_tree: block %lu\n",
(unsigned long)block));
bh = ext4_read_dirblock(dir, block, DIRENT);
bh = ext4_read_dirblock(dir, block, DIRENT_HTREE);
if (IS_ERR(bh))
return PTR_ERR(bh);
@ -1509,7 +1522,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
return (struct buffer_head *) frame;
do {
block = dx_get_block(frame->at);
bh = ext4_read_dirblock(dir, block, DIRENT);
bh = ext4_read_dirblock(dir, block, DIRENT_HTREE);
if (IS_ERR(bh))
goto errout;
@ -2079,6 +2092,11 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
blocks = dir->i_size >> sb->s_blocksize_bits;
for (block = 0; block < blocks; block++) {
bh = ext4_read_dirblock(dir, block, DIRENT);
if (bh == NULL) {
bh = ext4_bread(handle, dir, block,
EXT4_GET_BLOCKS_CREATE);
goto add_to_new_block;
}
if (IS_ERR(bh)) {
retval = PTR_ERR(bh);
bh = NULL;
@ -2099,6 +2117,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
brelse(bh);
}
bh = ext4_append(handle, dir, &block);
add_to_new_block:
if (IS_ERR(bh)) {
retval = PTR_ERR(bh);
bh = NULL;
@ -2143,7 +2162,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
return PTR_ERR(frame);
entries = frame->entries;
at = frame->at;
bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT);
bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT_HTREE);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
bh = NULL;
@ -2691,7 +2710,10 @@ bool ext4_empty_dir(struct inode *inode)
EXT4_ERROR_INODE(inode, "invalid size");
return true;
}
bh = ext4_read_dirblock(inode, 0, EITHER);
/* The first directory block must not be a hole,
* so treat it as DIRENT_HTREE
*/
bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE);
if (IS_ERR(bh))
return true;
@ -2713,6 +2735,10 @@ bool ext4_empty_dir(struct inode *inode)
brelse(bh);
lblock = offset >> EXT4_BLOCK_SIZE_BITS(sb);
bh = ext4_read_dirblock(inode, lblock, EITHER);
if (bh == NULL) {
offset += sb->s_blocksize;
continue;
}
if (IS_ERR(bh))
return true;
de = (struct ext4_dir_entry_2 *) bh->b_data;
@ -3256,7 +3282,10 @@ static struct buffer_head *ext4_get_first_dir_block(handle_t *handle,
struct buffer_head *bh;
if (!ext4_has_inline_data(inode)) {
bh = ext4_read_dirblock(inode, 0, EITHER);
/* The first directory block must not be a hole, so
* treat it as DIRENT_HTREE
*/
bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE);
if (IS_ERR(bh)) {
*retval = PTR_ERR(bh);
return NULL;

23
fs/jbd2/commit.c
View file

@ -187,14 +187,15 @@ static int journal_wait_on_commit_record(journal_t *journal,
* use writepages() because with dealyed allocation we may be doing
* block allocation in writepages().
*/
static int journal_submit_inode_data_buffers(struct address_space *mapping)
static int journal_submit_inode_data_buffers(struct address_space *mapping,
loff_t dirty_start, loff_t dirty_end)
{
int ret;
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = mapping->nrpages * 2,
.range_start = 0,
.range_end = i_size_read(mapping->host),
.range_start = dirty_start,
.range_end = dirty_end,
};
ret = generic_writepages(mapping, &wbc);
@ -218,6 +219,9 @@ static int journal_submit_data_buffers(journal_t *journal,
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
loff_t dirty_start = jinode->i_dirty_start;
loff_t dirty_end = jinode->i_dirty_end;
if (!(jinode->i_flags & JI_WRITE_DATA))
continue;
mapping = jinode->i_vfs_inode->i_mapping;
@ -230,7 +234,8 @@ static int journal_submit_data_buffers(journal_t *journal,
* only allocated blocks here.
*/
trace_jbd2_submit_inode_data(jinode->i_vfs_inode);
err = journal_submit_inode_data_buffers(mapping);
err = journal_submit_inode_data_buffers(mapping, dirty_start,
dirty_end);
if (!ret)
ret = err;
spin_lock(&journal->j_list_lock);
@ -257,12 +262,16 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
/* For locking, see the comment in journal_submit_data_buffers() */
spin_lock(&journal->j_list_lock);
list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) {
loff_t dirty_start = jinode->i_dirty_start;
loff_t dirty_end = jinode->i_dirty_end;
if (!(jinode->i_flags & JI_WAIT_DATA))
continue;
jinode->i_flags |= JI_COMMIT_RUNNING;
spin_unlock(&journal->j_list_lock);
err = filemap_fdatawait_keep_errors(
jinode->i_vfs_inode->i_mapping);
err = filemap_fdatawait_range_keep_errors(
jinode->i_vfs_inode->i_mapping, dirty_start,
dirty_end);
if (!ret)
ret = err;
spin_lock(&journal->j_list_lock);
@ -282,6 +291,8 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
&jinode->i_transaction->t_inode_list);
} else {
jinode->i_transaction = NULL;
jinode->i_dirty_start = 0;
jinode->i_dirty_end = 0;
}
}
spin_unlock(&journal->j_list_lock);

4
fs/jbd2/journal.c
View file

@ -94,6 +94,8 @@ EXPORT_SYMBOL(jbd2_journal_try_to_free_buffers);
EXPORT_SYMBOL(jbd2_journal_force_commit);
EXPORT_SYMBOL(jbd2_journal_inode_add_write);
EXPORT_SYMBOL(jbd2_journal_inode_add_wait);
EXPORT_SYMBOL(jbd2_journal_inode_ranged_write);
EXPORT_SYMBOL(jbd2_journal_inode_ranged_wait);
EXPORT_SYMBOL(jbd2_journal_init_jbd_inode);
EXPORT_SYMBOL(jbd2_journal_release_jbd_inode);
EXPORT_SYMBOL(jbd2_journal_begin_ordered_truncate);
@ -2588,6 +2590,8 @@ void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode)
jinode->i_next_transaction = NULL;
jinode->i_vfs_inode = inode;
jinode->i_flags = 0;
jinode->i_dirty_start = 0;
jinode->i_dirty_end = 0;
INIT_LIST_HEAD(&jinode->i_list);
}

49
fs/jbd2/transaction.c
View file

@ -2500,7 +2500,7 @@ void jbd2_journal_refile_buffer(journal_t *journal, struct journal_head *jh)
* File inode in the inode list of the handle's transaction
*/
static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
unsigned long flags)
unsigned long flags, loff_t start_byte, loff_t end_byte)
{
transaction_t *transaction = handle->h_transaction;
journal_t *journal;
@ -2512,26 +2512,17 @@ static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
jbd_debug(4, "Adding inode %lu, tid:%d\n", jinode->i_vfs_inode->i_ino,
transaction->t_tid);
/*
* First check whether inode isn't already on the transaction's
* lists without taking the lock. Note that this check is safe
* without the lock as we cannot race with somebody removing inode
* from the transaction. The reason is that we remove inode from the
* transaction only in journal_release_jbd_inode() and when we commit
* the transaction. We are guarded from the first case by holding
* a reference to the inode. We are safe against the second case
* because if jinode->i_transaction == transaction, commit code
* cannot touch the transaction because we hold reference to it,
* and if jinode->i_next_transaction == transaction, commit code
* will only file the inode where we want it.
*/
if ((jinode->i_transaction == transaction ||
jinode->i_next_transaction == transaction) &&
(jinode->i_flags & flags) == flags)
return 0;
spin_lock(&journal->j_list_lock);
jinode->i_flags |= flags;
if (jinode->i_dirty_end) {
jinode->i_dirty_start = min(jinode->i_dirty_start, start_byte);
jinode->i_dirty_end = max(jinode->i_dirty_end, end_byte);
} else {
jinode->i_dirty_start = start_byte;
jinode->i_dirty_end = end_byte;
}
/* Is inode already attached where we need it? */
if (jinode->i_transaction == transaction ||
jinode->i_next_transaction == transaction)
@ -2566,12 +2557,28 @@ static int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *jinode,
int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *jinode)
{
return jbd2_journal_file_inode(handle, jinode,
JI_WRITE_DATA | JI_WAIT_DATA);
JI_WRITE_DATA | JI_WAIT_DATA, 0, LLONG_MAX);
}
int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *jinode)
{
return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA);
return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA, 0,
LLONG_MAX);
}
int jbd2_journal_inode_ranged_write(handle_t *handle,
struct jbd2_inode *jinode, loff_t start_byte, loff_t length)
{
return jbd2_journal_file_inode(handle, jinode,
JI_WRITE_DATA | JI_WAIT_DATA, start_byte,
start_byte + length - 1);
}
int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *jinode,
loff_t start_byte, loff_t length)
{
return jbd2_journal_file_inode(handle, jinode, JI_WAIT_DATA,
start_byte, start_byte + length - 1);
}
/*

2
include/linux/fs.h
View file

@ -2673,6 +2673,8 @@ extern int filemap_flush(struct address_space *);
extern int filemap_fdatawait_keep_errors(struct address_space *mapping);
extern int filemap_fdatawait_range(struct address_space *, loff_t lstart,
loff_t lend);
extern int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
loff_t start_byte, loff_t end_byte);
static inline int filemap_fdatawait(struct address_space *mapping)
{

22
include/linux/jbd2.h
View file

@ -454,6 +454,22 @@ struct jbd2_inode {
* @i_flags: Flags of inode [j_list_lock]
*/
unsigned long i_flags;
/**
* @i_dirty_start:
*
* Offset in bytes where the dirty range for this inode starts.
* [j_list_lock]
*/
loff_t i_dirty_start;
/**
* @i_dirty_end:
*
* Inclusive offset in bytes where the dirty range for this inode
* ends. [j_list_lock]
*/
loff_t i_dirty_end;
};
struct jbd2_revoke_table_s;
@ -1399,6 +1415,12 @@ extern int jbd2_journal_force_commit(journal_t *);
extern int jbd2_journal_force_commit_nested(journal_t *);
extern int jbd2_journal_inode_add_write(handle_t *handle, struct jbd2_inode *inode);
extern int jbd2_journal_inode_add_wait(handle_t *handle, struct jbd2_inode *inode);
extern int jbd2_journal_inode_ranged_write(handle_t *handle,
struct jbd2_inode *inode, loff_t start_byte,
loff_t length);
extern int jbd2_journal_inode_ranged_wait(handle_t *handle,
struct jbd2_inode *inode, loff_t start_byte,
loff_t length);
extern int jbd2_journal_begin_ordered_truncate(journal_t *journal,
struct jbd2_inode *inode, loff_t new_size);
extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);

5
include/linux/perf_event.h
View file

@ -1030,6 +1030,11 @@ static inline int in_software_context(struct perf_event *event)
return event->ctx->pmu->task_ctx_nr == perf_sw_context;
}
static inline int is_exclusive_pmu(struct pmu *pmu)
{
return pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE;
}
extern struct static_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void ___perf_sw_event(u32, u64, struct pt_regs *, u64);

5
include/net/dst.h
View file

@ -313,8 +313,9 @@ static inline bool dst_hold_safe(struct dst_entry *dst)
* @skb: buffer
*
* If dst is not yet refcounted and not destroyed, grab a ref on it.
* Returns true if dst is refcounted.
*/
static inline void skb_dst_force(struct sk_buff *skb)
static inline bool skb_dst_force(struct sk_buff *skb)
{
if (skb_dst_is_noref(skb)) {
struct dst_entry *dst = skb_dst(skb);
@ -325,6 +326,8 @@ static inline void skb_dst_force(struct sk_buff *skb)
skb->_skb_refdst = (unsigned long)dst;
}
return skb->_skb_refdst != 0UL;
}

8
include/net/tcp.h
View file

@ -1054,7 +1054,8 @@ void tcp_get_default_congestion_control(struct net *net, char *name);
void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit);
int tcp_set_congestion_control(struct sock *sk, const char *name, bool load,
bool reinit, bool cap_net_admin);
u32 tcp_slow_start(struct tcp_sock *tp, u32 acked);
void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked);
@ -1646,6 +1647,11 @@ static inline struct sk_buff *tcp_rtx_queue_head(const struct sock *sk)
return skb_rb_first(&sk->tcp_rtx_queue);
}
static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
{
return skb_rb_last(&sk->tcp_rtx_queue);
}
static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
{
return skb_peek(&sk->sk_write_queue);

1
include/net/tls.h
View file

@ -234,6 +234,7 @@ struct tls_offload_context_rx {
(ALIGN(sizeof(struct tls_offload_context_rx), sizeof(void *)) + \
TLS_DRIVER_STATE_SIZE)
void tls_ctx_free(struct tls_context *ctx);
int wait_on_pending_writer(struct sock *sk, long *timeo);
int tls_sk_query(struct sock *sk, int optname, char __user *optval,
int __user *optlen);

83
kernel/events/core.c
View file

@ -2546,6 +2546,9 @@ static int __perf_install_in_context(void *info)
return ret;
}
static bool exclusive_event_installable(struct perf_event *event,
struct perf_event_context *ctx);
/*
* Attach a performance event to a context.
*
@ -2560,6 +2563,8 @@ perf_install_in_context(struct perf_event_context *ctx,
lockdep_assert_held(&ctx->mutex);
WARN_ON_ONCE(!exclusive_event_installable(event, ctx));
if (event->cpu != -1)
event->cpu = cpu;
@ -4346,7 +4351,7 @@ static int exclusive_event_init(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
if (!is_exclusive_pmu(pmu))
return 0;
/*
@ -4377,7 +4382,7 @@ static void exclusive_event_destroy(struct perf_event *event)
{
struct pmu *pmu = event->pmu;
if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
if (!is_exclusive_pmu(pmu))
return;
/* see comment in exclusive_event_init() */
@ -4397,14 +4402,15 @@ static bool exclusive_event_match(struct perf_event *e1, struct perf_event *e2)
return false;
}
/* Called under the same ctx::mutex as perf_install_in_context() */
static bool exclusive_event_installable(struct perf_event *event,
struct perf_event_context *ctx)
{
struct perf_event *iter_event;
struct pmu *pmu = event->pmu;
if (!(pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE))
lockdep_assert_held(&ctx->mutex);
if (!is_exclusive_pmu(pmu))
return true;
list_for_each_entry(iter_event, &ctx->event_list, event_entry) {
@ -4451,12 +4457,20 @@ static void _free_event(struct perf_event *event)
if (event->destroy)
event->destroy(event);
if (event->ctx)
put_ctx(event->ctx);
/*
* Must be after ->destroy(), due to uprobe_perf_close() using
* hw.target.
*/
if (event->hw.target)
put_task_struct(event->hw.target);
/*
* perf_event_free_task() relies on put_ctx() being 'last', in particular
* all task references must be cleaned up.
*/
if (event->ctx)
put_ctx(event->ctx);
exclusive_event_destroy(event);
module_put(event->pmu->module);
@ -4636,8 +4650,17 @@ int perf_event_release_kernel(struct perf_event *event)
mutex_unlock(&event->child_mutex);
list_for_each_entry_safe(child, tmp, &free_list, child_list) {
void *var = &child->ctx->refcount;
list_del(&child->child_list);
free_event(child);
/*
* Wake any perf_event_free_task() waiting for this event to be
* freed.
*/
smp_mb(); /* pairs with wait_var_event() */
wake_up_var(var);
}
no_ctx:
@ -10621,11 +10644,6 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_alloc;
}
if ((pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE) && group_leader) {
err = -EBUSY;
goto err_context;
}
/*
* Look up the group leader (we will attach this event to it):
*/
@ -10713,6 +10731,18 @@ SYSCALL_DEFINE5(perf_event_open,
move_group = 0;
}
}
/*
* Failure to create exclusive events returns -EBUSY.
*/
err = -EBUSY;
if (!exclusive_event_installable(group_leader, ctx))
goto err_locked;
for_each_sibling_event(sibling, group_leader) {
if (!exclusive_event_installable(sibling, ctx))
goto err_locked;
}
} else {
mutex_lock(&ctx->mutex);
}
@ -10749,9 +10779,6 @@ SYSCALL_DEFINE5(perf_event_open,
* because we need to serialize with concurrent event creation.
*/
if (!exclusive_event_installable(event, ctx)) {
/* exclusive and group stuff are assumed mutually exclusive */
WARN_ON_ONCE(move_group);
err = -EBUSY;
goto err_locked;
}
@ -11218,11 +11245,11 @@ static void perf_free_event(struct perf_event *event,
}
/*
* Free an unexposed, unused context as created by inheritance by
* perf_event_init_task below, used by fork() in case of fail.
* Free a context as created by inheritance by perf_event_init_task() below,
* used by fork() in case of fail.
*
* Not all locks are strictly required, but take them anyway to be nice and
* help out with the lockdep assertions.
* Even though the task has never lived, the context and events have been
* exposed through the child_list, so we must take care tearing it all down.
*/
void perf_event_free_task(struct task_struct *task)
{
@ -11252,7 +11279,23 @@ void perf_event_free_task(struct task_struct *task)
perf_free_event(event, ctx);
mutex_unlock(&ctx->mutex);
put_ctx(ctx);
/*
* perf_event_release_kernel() could've stolen some of our
* child events and still have them on its free_list. In that
* case we must wait for these events to have been freed (in
* particular all their references to this task must've been
* dropped).
*
* Without this copy_process() will unconditionally free this
* task (irrespective of its reference count) and
* _free_event()'s put_task_struct(event->hw.target) will be a
* use-after-free.
*
* Wait for all events to drop their context reference.
*/
wait_var_event(&ctx->refcount, atomic_read(&ctx->refcount) == 1);
put_ctx(ctx); /* must be last */
}
}

22
mm/filemap.c
View file

@ -563,6 +563,28 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start_byte,
}
EXPORT_SYMBOL(filemap_fdatawait_range);
/**
* filemap_fdatawait_range_keep_errors - wait for writeback to complete
* @mapping: address space structure to wait for
* @start_byte: offset in bytes where the range starts
* @end_byte: offset in bytes where the range ends (inclusive)
*
* Walk the list of under-writeback pages of the given address space in the
* given range and wait for all of them. Unlike filemap_fdatawait_range(),
* this function does not clear error status of the address space.
*
* Use this function if callers don't handle errors themselves. Expected
* call sites are system-wide / filesystem-wide data flushers: e.g. sync(2),
* fsfreeze(8)
*/
int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
loff_t start_byte, loff_t end_byte)
{
__filemap_fdatawait_range(mapping, start_byte, end_byte);
return filemap_check_and_keep_errors(mapping);
}
EXPORT_SYMBOL(filemap_fdatawait_range_keep_errors);
/**
* file_fdatawait_range - wait for writeback to complete
* @file: file pointing to address space structure to wait for

6
mm/vmscan.c
View file

@ -2192,7 +2192,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
* 10TB 320 32GB
*/
static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
struct scan_control *sc, bool actual_reclaim)
struct scan_control *sc, bool trace)
{
enum lru_list active_lru = file * LRU_FILE + LRU_ACTIVE;
struct pglist_data *pgdat = lruvec_pgdat(lruvec);
@ -2218,7 +2218,7 @@ static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
* rid of the stale workingset quickly.
*/
refaults = lruvec_page_state(lruvec, WORKINGSET_ACTIVATE);
if (file && actual_reclaim && lruvec->refaults != refaults) {
if (file && lruvec->refaults != refaults) {
inactive_ratio = 0;
} else {
gb = (inactive + active) >> (30 - PAGE_SHIFT);
@ -2228,7 +2228,7 @@ static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
inactive_ratio = 1;
}
if (actual_reclaim)
if (trace)
trace_mm_vmscan_inactive_list_is_low(pgdat->node_id, sc->reclaim_idx,
lruvec_lru_size(lruvec, inactive_lru, MAX_NR_ZONES), inactive,
lruvec_lru_size(lruvec, active_lru, MAX_NR_ZONES), active,

8
net/bridge/br_input.c
View file

@ -79,7 +79,6 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
struct net_bridge_fdb_entry *dst = NULL;
struct net_bridge_mdb_entry *mdst;
bool local_rcv, mcast_hit = false;
const unsigned char *dest;
struct net_bridge *br;
u16 vid = 0;
@ -97,10 +96,9 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false);
local_rcv = !!(br->dev->flags & IFF_PROMISC);
dest = eth_hdr(skb)->h_dest;
if (is_multicast_ether_addr(dest)) {
if (is_multicast_ether_addr(eth_hdr(skb)->h_dest)) {
/* by definition the broadcast is also a multicast address */
if (is_broadcast_ether_addr(dest)) {
if (is_broadcast_ether_addr(eth_hdr(skb)->h_dest)) {
pkt_type = BR_PKT_BROADCAST;
local_rcv = true;
} else {
@ -150,7 +148,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
}
break;
case BR_PKT_UNICAST:
dst = br_fdb_find_rcu(br, dest, vid);
dst = br_fdb_find_rcu(br, eth_hdr(skb)->h_dest, vid);
default:
break;
}

30
net/bridge/br_multicast.c
View file

@ -1147,6 +1147,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
int type;
int err = 0;
__be32 group;
u16 nsrcs;
ih = igmpv3_report_hdr(skb);
num = ntohs(ih->ngrec);
@ -1160,8 +1161,9 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
grec = (void *)(skb->data + len - sizeof(*grec));
group = grec->grec_mca;
type = grec->grec_type;
nsrcs = ntohs(grec->grec_nsrcs);
len += ntohs(grec->grec_nsrcs) * 4;
len += nsrcs * 4;
if (!pskb_may_pull(skb, len))
return -EINVAL;
@ -1182,7 +1184,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
src = eth_hdr(skb)->h_source;
if ((type == IGMPV3_CHANGE_TO_INCLUDE ||
type == IGMPV3_MODE_IS_INCLUDE) &&
ntohs(grec->grec_nsrcs) == 0) {
nsrcs == 0) {
br_ip4_multicast_leave_group(br, port, group, vid, src);
} else {
err = br_ip4_multicast_add_group(br, port, group, vid,
@ -1217,23 +1219,26 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
len = skb_transport_offset(skb) + sizeof(*icmp6h);
for (i = 0; i < num; i++) {
__be16 *nsrcs, _nsrcs;
__be16 *_nsrcs, __nsrcs;
u16 nsrcs;
nsrcs = skb_header_pointer(skb,
len + offsetof(struct mld2_grec,
grec_nsrcs),
sizeof(_nsrcs), &_nsrcs);
if (!nsrcs)
_nsrcs = skb_header_pointer(skb,
len + offsetof(struct mld2_grec,
grec_nsrcs),
sizeof(__nsrcs), &__nsrcs);
if (!_nsrcs)
return -EINVAL;
nsrcs = ntohs(*_nsrcs);
if (!pskb_may_pull(skb,
len + sizeof(*grec) +
sizeof(struct in6_addr) * ntohs(*nsrcs)))
sizeof(struct in6_addr) * nsrcs))
return -EINVAL;
grec = (struct mld2_grec *)(skb->data + len);
len += sizeof(*grec) +
sizeof(struct in6_addr) * ntohs(*nsrcs);
sizeof(struct in6_addr) * nsrcs;
/* We treat these as MLDv1 reports for now. */
switch (grec->grec_type) {
@ -1252,7 +1257,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
src = eth_hdr(skb)->h_source;
if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE ||
grec->grec_type == MLD2_MODE_IS_INCLUDE) &&
ntohs(*nsrcs) == 0) {
nsrcs == 0) {
br_ip6_multicast_leave_group(br, port, &grec->grec_mca,
vid, src);
} else {
@ -1505,7 +1510,6 @@ static int br_ip6_multicast_query(struct net_bridge *br,
struct sk_buff *skb,
u16 vid)
{
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct mld_msg *mld;
struct net_bridge_mdb_entry *mp;
struct mld2_query *mld2q;
@ -1549,7 +1553,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
if (is_general_query) {
saddr.proto = htons(ETH_P_IPV6);
saddr.u.ip6 = ip6h->saddr;
saddr.u.ip6 = ipv6_hdr(skb)->saddr;
br_multicast_query_received(br, port, &br->ip6_other_query,
&saddr, max_delay);

3
net/bridge/br_stp_bpdu.c
View file

@ -147,7 +147,6 @@ void br_send_tcn_bpdu(struct net_bridge_port *p)
void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
struct net_device *dev)
{
const unsigned char *dest = eth_hdr(skb)->h_dest;
struct net_bridge_port *p;
struct net_bridge *br;
const unsigned char *buf;
@ -176,7 +175,7 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
if (p->state == BR_STATE_DISABLED)
goto out;
if (!ether_addr_equal(dest, br->group_addr))
if (!ether_addr_equal(eth_hdr(skb)->h_dest, br->group_addr))
goto out;
if (p->flags & BR_BPDU_GUARD) {

2
net/core/filter.c
View file

@ -3991,7 +3991,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
TCP_CA_NAME_MAX-1));
name[TCP_CA_NAME_MAX-1] = 0;
ret = tcp_set_congestion_control(sk, name, false,
reinit);
reinit, true);
} else {
struct tcp_sock *tp = tcp_sk(sk);

2
net/core/neighbour.c
View file

@ -1021,6 +1021,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
atomic_set(&neigh->probes,
NEIGH_VAR(neigh->parms, UCAST_PROBES));
neigh_del_timer(neigh);
neigh->nud_state = NUD_INCOMPLETE;
neigh->updated = now;
next = now + max(NEIGH_VAR(neigh->parms, RETRANS_TIME),
@ -1037,6 +1038,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
}
} else if (neigh->nud_state & NUD_STALE) {
neigh_dbg(2, "neigh %p is delayed\n", neigh);
neigh_del_timer(neigh);
neigh->nud_state = NUD_DELAY;
neigh->updated = jiffies;
neigh_add_timer(neigh, jiffies +

8
net/ipv4/devinet.c
View file

@ -66,6 +66,11 @@
#include <net/net_namespace.h>
#include <net/addrconf.h>
#define IPV6ONLY_FLAGS \
(IFA_F_NODAD | IFA_F_OPTIMISTIC | IFA_F_DADFAILED | \
IFA_F_HOMEADDRESS | IFA_F_TENTATIVE | \
IFA_F_MANAGETEMPADDR | IFA_F_STABLE_PRIVACY)
static struct ipv4_devconf ipv4_devconf = {
.data = {
[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
@ -462,6 +467,9 @@ static int __inet_insert_ifa(struct in_ifaddr *ifa, struct nlmsghdr *nlh,
ifa->ifa_flags &= ~IFA_F_SECONDARY;
last_primary = &in_dev->ifa_list;
/* Don't set IPv6 only flags to IPv4 addresses */
ifa->ifa_flags &= ~IPV6ONLY_FLAGS;
for (ifap = &in_dev->ifa_list; (ifa1 = *ifap) != NULL;
ifap = &ifa1->ifa_next) {
if (!(ifa1->ifa_flags & IFA_F_SECONDARY) &&

8
net/ipv4/igmp.c
View file

@ -1218,12 +1218,8 @@ static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im)
if (pmc) {
im->interface = pmc->interface;
if (im->sfmode == MCAST_INCLUDE) {
im->tomb = pmc->tomb;
pmc->tomb = NULL;
im->sources = pmc->sources;
pmc->sources = NULL;
swap(im->tomb, pmc->tomb);
swap(im->sources, pmc->sources);
for (psf = im->sources; psf; psf = psf->sf_next)
psf->sf_crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv;
} else {

6
net/ipv4/tcp.c
View file

@ -2594,6 +2594,8 @@ int tcp_disconnect(struct sock *sk, int flags)
tcp_saved_syn_free(tp);
tp->compressed_ack = 0;
tp->bytes_sent = 0;
tp->bytes_acked = 0;
tp->bytes_received = 0;
tp->bytes_retrans = 0;
tp->dsack_dups = 0;
tp->reord_seen = 0;
@ -2729,7 +2731,9 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
name[val] = 0;
lock_sock(sk);
err = tcp_set_congestion_control(sk, name, true, true);
err = tcp_set_congestion_control(sk, name, true, true,
ns_capable(sock_net(sk)->user_ns,
CAP_NET_ADMIN));
release_sock(sk);
return err;
}

6
net/ipv4/tcp_cong.c
View file

@ -332,7 +332,8 @@ int tcp_set_allowed_congestion_control(char *val)
* tcp_reinit_congestion_control (if the current congestion control was
* already initialized.
*/
int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit)
int tcp_set_congestion_control(struct sock *sk, const char *name, bool load,
bool reinit, bool cap_net_admin)
{
struct inet_connection_sock *icsk = inet_csk(sk);
const struct tcp_congestion_ops *ca;
@ -368,8 +369,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, boo
} else {
err = -EBUSY;
}
} else if (!((ca->flags & TCP_CONG_NON_RESTRICTED) ||
ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))) {
} else if (!((ca->flags & TCP_CONG_NON_RESTRICTED) || cap_net_admin)) {
err = -EPERM;
} else if (!try_module_get(ca->owner)) {
err = -EBUSY;

13
net/ipv4/tcp_output.c
View file

@ -1272,6 +1272,7 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *buff;
int nsize, old_factor;
long limit;
int nlen;
u8 flags;
@ -1282,8 +1283,16 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
if (nsize < 0)
nsize = 0;
if (unlikely((sk->sk_wmem_queued >> 1) > sk->sk_sndbuf &&
tcp_queue != TCP_FRAG_IN_WRITE_QUEUE)) {
/* tcp_sendmsg() can overshoot sk_wmem_queued by one full size skb.
* We need some allowance to not penalize applications setting small
* SO_SNDBUF values.
* Also allow first and last skb in retransmit queue to be split.
*/
limit = sk->sk_sndbuf + 2 * SKB_TRUESIZE(GSO_MAX_SIZE);
if (unlikely((sk->sk_wmem_queued >> 1) > limit &&
tcp_queue != TCP_FRAG_IN_WRITE_QUEUE &&
skb != tcp_rtx_queue_head(sk) &&
skb != tcp_rtx_queue_tail(sk))) {
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPWQUEUETOOBIG);
return -ENOMEM;
}

18
net/ipv6/ip6_fib.c
View file

@ -1081,8 +1081,24 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
err = call_fib6_entry_notifiers(info->nl_net,
FIB_EVENT_ENTRY_ADD,
rt, extack);
if (err)
if (err) {
struct fib6_info *sibling, *next_sibling;
/* If the route has siblings, then it first
* needs to be unlinked from them.
*/
if (!rt->fib6_nsiblings)
return err;
list_for_each_entry_safe(sibling, next_sibling,
&rt->fib6_siblings,
fib6_siblings)
sibling->fib6_nsiblings--;
rt->fib6_nsiblings = 0;
list_del_init(&rt->fib6_siblings);
rt6_multipath_rebalance(next_sibling);
return err;
}
rcu_assign_pointer(rt->fib6_next, iter);
atomic_inc(&rt->fib6_ref);

2
net/ipv6/route.c
View file

@ -2214,7 +2214,7 @@ static struct dst_entry *rt6_check(struct rt6_info *rt,
{
u32 rt_cookie = 0;
if ((from && !fib6_get_cookie_safe(from, &rt_cookie)) ||
if (!from || !fib6_get_cookie_safe(from, &rt_cookie) ||
rt_cookie != cookie)
return NULL;

6
net/netfilter/nf_queue.c
View file

@ -174,6 +174,11 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
goto err;
}
if (!skb_dst_force(skb) && state->hook != NF_INET_PRE_ROUTING) {
status = -ENETDOWN;
goto err;
}
*entry = (struct nf_queue_entry) {
.skb = skb,
.state = *state,
@ -182,7 +187,6 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
};
nf_queue_entry_get_refs(entry);
skb_dst_force(skb);
switch (entry->state.pf) {
case AF_INET:

4
net/netrom/af_netrom.c
View file

@ -872,7 +872,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
unsigned short frametype, flags, window, timeout;
int ret;
skb->sk = NULL; /* Initially we don't know who it's for */
skb_orphan(skb);
/*
* skb->data points to the netrom frame start
@ -970,7 +970,9 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
window = skb->data[20];
sock_hold(make);
skb->sk = make;
skb->destructor = sock_efree;
make->sk_state = TCP_ESTABLISHED;
/* Fill in his circuit details */

2
net/nfc/nci/data.c
View file

@ -119,7 +119,7 @@ static int nci_queue_tx_data_frags(struct nci_dev *ndev,
conn_info = nci_get_conn_info_by_conn_id(ndev, conn_id);
if (!conn_info) {
rc = -EPROTO;
goto free_exit;
goto exit;
}
__skb_queue_head_init(&frags_q);

6
net/openvswitch/actions.c
View file

@ -175,8 +175,7 @@ static void update_ethertype(struct sk_buff *skb, struct ethhdr *hdr,
if (skb->ip_summed == CHECKSUM_COMPLETE) {
__be16 diff[] = { ~(hdr->h_proto), ethertype };
skb->csum = ~csum_partial((char *)diff, sizeof(diff),
~skb->csum);
skb->csum = csum_partial((char *)diff, sizeof(diff), skb->csum);
}
hdr->h_proto = ethertype;
@ -268,8 +267,7 @@ static int set_mpls(struct sk_buff *skb, struct sw_flow_key *flow_key,
if (skb->ip_summed == CHECKSUM_COMPLETE) {
__be32 diff[] = { ~(stack->label_stack_entry), lse };
skb->csum = ~csum_partial((char *)diff, sizeof(diff),
~skb->csum);
skb->csum = csum_partial((char *)diff, sizeof(diff), skb->csum);
}
stack->label_stack_entry = lse;

4
net/rxrpc/af_rxrpc.c
View file

@ -552,6 +552,7 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
switch (rx->sk.sk_state) {
case RXRPC_UNBOUND:
case RXRPC_CLIENT_UNBOUND:
rx->srx.srx_family = AF_RXRPC;
rx->srx.srx_service = 0;
rx->srx.transport_type = SOCK_DGRAM;
@ -576,10 +577,9 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
}
rx->local = local;
rx->sk.sk_state = RXRPC_CLIENT_UNBOUND;
rx->sk.sk_state = RXRPC_CLIENT_BOUND;
/* Fall through */
case RXRPC_CLIENT_UNBOUND:
case RXRPC_CLIENT_BOUND:
if (!m->msg_name &&
test_bit(RXRPC_SOCK_CONNECTED, &rx->flags)) {

3
net/sched/cls_api.c
View file

@ -1325,6 +1325,9 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
tcf_chain_tp_insert(chain, &chain_info, tp);
tfilter_notify(net, skb, n, tp, block, q, parent, fh,
RTM_NEWTFILTER, false);
/* q pointer is NULL for shared blocks */
if (q)
q->flags &= ~TCQ_F_CAN_BYPASS;
} else {
if (tp_created)
tcf_proto_destroy(tp, NULL);

2
net/sched/sch_fq_codel.c
View file

@ -600,8 +600,6 @@ static unsigned long fq_codel_find(struct Qdisc *sch, u32 classid)
static unsigned long fq_codel_bind(struct Qdisc *sch, unsigned long parent,
u32 classid)
{
/* we cannot bypass queue discipline anymore */
sch->flags &= ~TCQ_F_CAN_BYPASS;
return 0;
}

2
net/sched/sch_sfq.c
View file

@ -828,8 +828,6 @@ static unsigned long sfq_find(struct Qdisc *sch, u32 classid)
static unsigned long sfq_bind(struct Qdisc *sch, unsigned long parent,
u32 classid)
{
/* we cannot bypass queue discipline anymore */
sch->flags &= ~TCQ_F_CAN_BYPASS;
return 0;
}

20
net/sctp/socket.c
View file

@ -4507,34 +4507,18 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname,
static int sctp_connect(struct sock *sk, struct sockaddr *addr,
int addr_len, int flags)
{
struct inet_sock *inet = inet_sk(sk);
struct sctp_af *af;
int err = 0;
int err = -EINVAL;
lock_sock(sk);
pr_debug("%s: sk:%p, sockaddr:%p, addr_len:%d\n", __func__, sk,
addr, addr_len);
/* We may need to bind the socket. */
if (!inet->inet_num) {
if (sk->sk_prot->get_port(sk, 0)) {
release_sock(sk);
return -EAGAIN;
}
inet->inet_sport = htons(inet->inet_num);
}
/* Validate addr_len before calling common connect/connectx routine. */
af = sctp_get_af_specific(addr->sa_family);
if (!af || addr_len < af->sockaddr_len) {
err = -EINVAL;
} else {
/* Pass correct addr len to common routine (so it knows there
* is only one address being passed.
*/
if (af && addr_len >= af->sockaddr_len)
err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL);
}
release_sock(sk);
return err;

9
net/sctp/stream.c
View file

@ -253,13 +253,20 @@ int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
{
struct sctp_stream_out_ext *soute;
int ret;
soute = kzalloc(sizeof(*soute), GFP_KERNEL);
if (!soute)
return -ENOMEM;
SCTP_SO(stream, sid)->ext = soute;
return sctp_sched_init_sid(stream, sid, GFP_KERNEL);
ret = sctp_sched_init_sid(stream, sid, GFP_KERNEL);
if (ret) {
kfree(SCTP_SO(stream, sid)->ext);
SCTP_SO(stream, sid)->ext = NULL;
}
return ret;
}
void sctp_stream_free(struct sctp_stream *stream)

2
net/tls/tls_device.c
View file

@ -61,7 +61,7 @@ static void tls_device_free_ctx(struct tls_context *ctx)
if (ctx->rx_conf == TLS_HW)
kfree(tls_offload_ctx_rx(ctx));
kfree(ctx);
tls_ctx_free(ctx);
}
static void tls_device_gc_task(struct work_struct *work)

2
net/tls/tls_main.c
View file

@ -241,7 +241,7 @@ static void tls_write_space(struct sock *sk)
ctx->sk_write_space(sk);
}
static void tls_ctx_free(struct tls_context *ctx)
void tls_ctx_free(struct tls_context *ctx)
{
if (!ctx)
return;