Re: [PATCH bpf] bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()

From: patchwork-bot+netdevbpf
Date: Wed Feb 21 2024 - 11:20:36 EST


Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:

On Mon, 19 Feb 2024 00:09:33 +0900 you wrote:
> syzbot reported the following NULL pointer dereference issue [1]:
>
> BUG: kernel NULL pointer dereference, address: 0000000000000000
> ...
> RIP: 0010:0x0
> ...
> Call Trace:
> <TASK>
> sk_psock_verdict_data_ready+0x232/0x340 net/core/skmsg.c:1230
> unix_stream_sendmsg+0x9b4/0x1230 net/unix/af_unix.c:2293
> sock_sendmsg_nosec net/socket.c:730 [inline]
> __sock_sendmsg+0x221/0x270 net/socket.c:745
> ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
> ___sys_sendmsg net/socket.c:2638 [inline]
> __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
> do_syscall_64+0xf9/0x240
> entry_SYSCALL_64_after_hwframe+0x6f/0x77
>
> [...]

Here is the summary with links:
- [bpf] bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()
https://git.kernel.org/bpf/bpf/c/4cd12c6065df

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html