From: Wei Yongjun <weiyongj...@huawei.com>
Date: Mon, 15 Jun 2020 09:35:22 +0800
> 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: 2303f994b3e1 ("mptcp: Associate MPTCP context with TCP socket")
> Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
> ---
> v1 -> v2: add net prefix to subject line
Applied and queued up for v5.6 -stable, thanks.
