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kernel-fxtec-pro1x/net/sunrpc
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Chuck Lever 308aeb3629 svcrdma: Fix leak of transport addresses 
[ Upstream commit 1a33d8a284b1e85e03b8c7b1ea8fb985fccd1d71 ]

Kernel memory leak detected:

unreferenced object 0xffff888849cdf480 (size 8):
  comm "kworker/u8:3", pid 2086, jiffies 4297898756 (age 4269.856s)
  hex dump (first 8 bytes):
    30 00 cd 49 88 88 ff ff                          0..I....
  backtrace:
    [<00000000acfc370b>] __kmalloc_track_caller+0x137/0x183
    [<00000000a2724354>] kstrdup+0x2b/0x43
    [<0000000082964f84>] xprt_rdma_format_addresses+0x114/0x17d [rpcrdma]
    [<00000000dfa6ed00>] xprt_setup_rdma_bc+0xc0/0x10c [rpcrdma]
    [<0000000073051a83>] xprt_create_transport+0x3f/0x1a0 [sunrpc]
    [<0000000053531a8e>] rpc_create+0x118/0x1cd [sunrpc]
    [<000000003a51b5f8>] setup_callback_client+0x1a5/0x27d [nfsd]
    [<000000001bd410af>] nfsd4_process_cb_update.isra.7+0x16c/0x1ac [nfsd]
    [<000000007f4bbd56>] nfsd4_run_cb_work+0x4c/0xbd [nfsd]
    [<0000000055c5586b>] process_one_work+0x1b2/0x2fe
    [<00000000b1e3e8ef>] worker_thread+0x1a6/0x25a
    [<000000005205fb78>] kthread+0xf6/0xfb
    [<000000006d2dc057>] ret_from_fork+0x3a/0x50

Introduce a call to xprt_rdma_free_addresses() similar to the way
that the TCP backchannel releases a transport's peer address
strings.

Fixes: 5d252f90a8 ("svcrdma: Add class for RDMA backwards direction transport")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:14:40 +02:00
..
auth_gss sunrpc: clean up properly in gss_mech_unregister() 2020-06-22 09:05:29 +02:00
xprtrdma svcrdma: Fix leak of transport addresses 2020-10-01 13:14:40 +02:00
addr.c net: sunrpc: Fix off-by-one issues in 'rpc_ntop6' 2020-06-25 15:33:00 +02:00
auth.c sunrpc: kstrtoul() can also return -ERANGE 2018-07-31 12:53:40 -04:00
auth_generic.c SUNRPC: Fix a bogus get/put in generic_key_to_expire() 2018-12-01 09:37:33 +01:00
auth_null.c net/sunrpc: Make rpc_auth_create_args a const 2018-07-30 13:19:41 -04:00
auth_unix.c net/sunrpc: Make rpc_auth_create_args a const 2018-07-30 13:19:41 -04:00
backchannel_rqst.c sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
cache.c sunrpc: fix crash when cache_head become valid before update 2019-12-17 20:35:52 +01:00
clnt.c net :sunrpc :clnt :Fix xps refcount imbalance on the error path 2019-07-14 08:11:15 +02:00
debugfs.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
Kconfig IB: Revert "remove redundant INFINIBAND kconfig dependencies" 2018-05-28 10:40:16 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpc_pipe.c sunrpc: fixed rollback in rpc_gssd_dummy_populate() 2020-06-30 23:17:18 -04:00
rpcb_clnt.c SUNRPC: stop printk reading past end of string 2020-09-23 12:10:58 +02:00
sched.c SUNRPC: Fix priority queue fairness 2019-11-24 08:19:24 +01:00
socklib.c sunrpc: do not pull udp headers on receive 2016-04-11 15:31:33 -04:00
stats.c sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
sunrpc.h sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
sunrpc_syms.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
svc.c sunrpc: use-after-free in svc_process_common() 2019-01-16 22:04:37 +01:00
svc_xprt.c SUNRPC: Fix a potential buffer overflow in 'svc_print_xprts()' 2020-10-01 13:14:40 +02:00
svcauth.c locking/atomic, kref: Implement kref_put_lock() 2017-01-18 10:03:29 +01:00
svcauth_unix.c kernel: make groups_sort calling a responsibility group_info allocators 2017-12-14 16:00:49 -08:00
svcsock.c svcrdma: Fix leak of svc_rdma_recv_ctxt objects 2020-05-02 17:25:52 +02:00
sysctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timer.c
xdr.c SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment() 2020-06-30 23:17:18 -04:00
xprt.c sunrpc: Fix connect metrics 2019-11-24 08:19:49 +01:00
xprtmultipath.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xprtsock.c sunrpc: safely reallow resvport min/max inversion 2019-12-01 09:16:41 +01:00