netdev - Re: [PATCH v3] net: sctp: fix KMSAN uninit-value in sctp_inq

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Message-Id: 
 <176182140601.3798636.15774437371836976916.git-patchwork-notify@kernel.org>
Date: Thu, 30 Oct 2025 10:50:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Ranganath V N <vnranganath.20@...il.com>
Cc: marcelo.leitner@...il.com, lucien.xin@...il.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
 syzbot+d101e12bccd4095460e7@...kaller.appspotmail.com
Subject: Re: [PATCH v3] net: sctp: fix KMSAN uninit-value in sctp_inq_pop

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Sun, 26 Oct 2025 22:03:12 +0530 you wrote:
> Fix an issue detected by syzbot:
> 
> KMSAN reported an uninitialized-value access in sctp_inq_pop
> BUG: KMSAN: uninit-value in sctp_inq_pop
> 
> The issue is actually caused by skb trimming via sk_filter() in sctp_rcv().
> In the reproducer, skb->len becomes 1 after sk_filter(), which bypassed the
> original check:
> 
> [...]

Here is the summary with links:
  - [v3] net: sctp: fix KMSAN uninit-value in sctp_inq_pop
    https://git.kernel.org/netdev/net/c/51e5ad549c43

You are awesome, thank you!
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