AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/net/mptcp
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Wei Yongjun b8ad540dd4 mptcp: fix memory leak in mptcp_subflow_create_socket() 
socket malloced  by sock_create_kern() should be release before return
in the error handling, otherwise it cause memory leak.

unreferenced object 0xffff88810910c000 (size 1216):
  comm "00000003_test_m", pid 12238, jiffies 4295050289 (age 54.237s)
  hex dump (first 32 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 2f 30 0a 81 88 ff ff  ........./0.....
  backtrace:
    [<00000000e877f89f>] sock_alloc_inode+0x18/0x1c0
    [<0000000093d1dd51>] alloc_inode+0x63/0x1d0
    [<000000005673fec6>] new_inode_pseudo+0x14/0xe0
    [<00000000b5db6be8>] sock_alloc+0x3c/0x260
    [<00000000e7e3cbb2>] __sock_create+0x89/0x620
    [<0000000023e48593>] mptcp_subflow_create_socket+0xc0/0x5e0
    [<00000000419795e4>] __mptcp_socket_create+0x1ad/0x3f0
    [<00000000b2f942e8>] mptcp_stream_connect+0x281/0x4f0
    [<00000000c80cd5cc>] __sys_connect_file+0x14d/0x190
    [<00000000dc761f11>] __sys_connect+0x128/0x160
    [<000000008b14e764>] __x64_sys_connect+0x6f/0xb0
    [<000000007b4f93bd>] do_syscall_64+0xa1/0x530
    [<00000000d3e770b6>] entry_SYSCALL_64_after_hwframe+0x49/0xb3

Fixes: 2303f994b3 ("mptcp: Associate MPTCP context with TCP socket")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-15 18:08:50 -07:00
..
crypto.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-06-01 12:00:10 -07:00
ctrl.c mptcp: new sysctl to control the activation per NS 2020-01-24 13:44:08 +01:00
diag.c mptcp: allow dumping subflow context to userspace 2020-03-29 22:14:48 -07:00
Kconfig mptcp: select CRYPTO 2020-02-16 19:37:16 -08:00
Makefile mptcp: add netlink-based PM 2020-03-29 22:14:49 -07:00
mib.c mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
mib.h mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
options.c mptcp: bugfix for RM_ADDR option parsing 2020-06-08 19:09:41 -07:00
pm_netlink.c mptcp/pm_netlink.c : add check for nla_put_in/6_addr 2020-04-23 15:38:10 -07:00
pm.c mptcp: add some missing pr_fmt defines 2020-04-03 16:06:32 -07:00
protocol.c mptcp: fix races between shutdown and recvmsg 2020-06-10 13:34:14 -07:00
protocol.h mptcp: use list_first_entry_or_null 2020-06-15 13:04:53 -07:00
subflow.c mptcp: fix memory leak in mptcp_subflow_create_socket() 2020-06-15 18:08:50 -07:00
token.c mptcp: fix "fn parameter not described" warnings 2020-04-02 06:59:21 -07:00