Re: [PATCH net v5 0/2] net: enhancements to sk_user_data field - patchwork-bot+netdevbpf

From: patchwork-bot+netdevbpf@kernel.org
To: Hawkins Jiawei <yin31149@gmail.com>
Cc: syzbot+5f26f85569bd179c18ce@syzkaller.appspotmail.com,
	paskripkin@gmail.com, skhan@linuxfoundation.org,
	linux-kernel-mentees@lists.linuxfoundation.org,
	18801353760@163.com, bpf@vger.kernel.org
Subject: Re: [PATCH net v5 0/2] net: enhancements to sk_user_data field
Date: Thu, 11 Aug 2022 05:30:16 +0000	[thread overview]
Message-ID: <166019581644.16509.4729586700211293087.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <cover.1659676823.git.yin31149@gmail.com>

Hello:

This series was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Fri,  5 Aug 2022 15:36:48 +0800 you wrote:
> This patchset fixes refcount bug by adding SK_USER_DATA_PSOCK flag bit in
> sk_user_data field. The bug cause following info:
> 
> WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19 refcount_warn_saturate+0xf4/0x1e0 lib/refcount.c:19
> Modules linked in:
> CPU: 1 PID: 3605 Comm: syz-executor208 Not tainted 5.18.0-syzkaller-03023-g7e062cda7d90 #0
>  <TASK>
>  __refcount_add_not_zero include/linux/refcount.h:163 [inline]
>  __refcount_inc_not_zero include/linux/refcount.h:227 [inline]
>  refcount_inc_not_zero include/linux/refcount.h:245 [inline]
>  sk_psock_get+0x3bc/0x410 include/linux/skmsg.h:439
>  tls_data_ready+0x6d/0x1b0 net/tls/tls_sw.c:2091
>  tcp_data_ready+0x106/0x520 net/ipv4/tcp_input.c:4983
>  tcp_data_queue+0x25f2/0x4c90 net/ipv4/tcp_input.c:5057
>  tcp_rcv_state_process+0x1774/0x4e80 net/ipv4/tcp_input.c:6659
>  tcp_v4_do_rcv+0x339/0x980 net/ipv4/tcp_ipv4.c:1682
>  sk_backlog_rcv include/net/sock.h:1061 [inline]
>  __release_sock+0x134/0x3b0 net/core/sock.c:2849
>  release_sock+0x54/0x1b0 net/core/sock.c:3404
>  inet_shutdown+0x1e0/0x430 net/ipv4/af_inet.c:909
>  __sys_shutdown_sock net/socket.c:2331 [inline]
>  __sys_shutdown_sock net/socket.c:2325 [inline]
>  __sys_shutdown+0xf1/0x1b0 net/socket.c:2343
>  __do_sys_shutdown net/socket.c:2351 [inline]
>  __se_sys_shutdown net/socket.c:2349 [inline]
>  __x64_sys_shutdown+0x50/0x70 net/socket.c:2349
>  do_syscall_x64 arch/x86/entry/common.c:50 [inline]
>  do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
>  entry_SYSCALL_64_after_hwframe+0x46/0xb0
>  </TASK>
> 
> [...]

Here is the summary with links:
  - [net,v5,1/2] net: fix refcount bug in sk_psock_get (2)
    https://git.kernel.org/netdev/net/c/2a0133723f9e
  - [net,v5,2/2] net: refactor bpf_sk_reuseport_detach()
    https://git.kernel.org/netdev/net/c/cf8c1e967224

You are awesome, thank you!
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