netdev - Re: [PATCH v1 bpf] tcp_bpf: Call sk_msg_free() when tcp_bpf_send

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: 
 <175751340576.1437658.9381331742790969125.git-patchwork-notify@kernel.org>
Date: Wed, 10 Sep 2025 14:10:05 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: john.fastabend@...il.com, jakub@...udflare.com, ast@...nel.org,
 daniel@...earbox.net, kuni1840@...il.com, netdev@...r.kernel.org,
 bpf@...r.kernel.org, syzbot+4cabd1d2fa917a456db8@...kaller.appspotmail.com
Subject: Re: [PATCH v1 bpf] tcp_bpf: Call sk_msg_free() when
 tcp_bpf_send_verdict()
 fails to allocate psock->cork.

Hello:

This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@...nel.org>:

On Tue,  9 Sep 2025 23:26:12 +0000 you wrote:
> syzbot reported the splat below. [0]
> 
> The repro does the following:
> 
>   1. Load a sk_msg prog that calls bpf_msg_cork_bytes(msg, cork_bytes)
>   2. Attach the prog to a SOCKMAP
>   3. Add a socket to the SOCKMAP
>   4. Activate fault injection
>   5. Send data less than cork_bytes
> 
> [...]

Here is the summary with links:
  - [v1,bpf] tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork.
    https://git.kernel.org/bpf/bpf/c/a3967baad4d5

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