From: patchwork-bot+netdevbpf@kernel.org
To: Guoyu Su <yss2813483011xxl@gmail.com>
Cc: edumazet@google.com, davem@davemloft.net, kuba@kernel.org,
pabeni@redhat.com, willemdebruijn.kernel@gmail.com,
netdev@vger.kernel.org, horms@kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
syzbot+1543a7d954d9c6d00407@syzkaller.appspotmail.com
Subject: Re: [PATCH net v7] net: use skb_header_pointer() for TCPv4 GSO frag_off check
Date: Tue, 31 Mar 2026 00:40:07 +0000 [thread overview]
Message-ID: <177491760753.2032642.18276185751372950060.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260327153507.39742-1-yss2813483011xxl@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 27 Mar 2026 23:35:07 +0800 you wrote:
> Syzbot reported a KMSAN uninit-value warning in gso_features_check()
> called from netif_skb_features() [1].
>
> gso_features_check() reads iph->frag_off to decide whether to clear
> mangleid_features. Accessing the IPv4 header via ip_hdr()/inner_ip_hdr()
> can rely on skb header offsets that are not always safe for direct
> dereference on packets injected from PF_PACKET paths.
>
> [...]
Here is the summary with links:
- [net,v7] net: use skb_header_pointer() for TCPv4 GSO frag_off check
https://git.kernel.org/netdev/net/c/ddc748a391dd
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-03-31 0:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-07 16:29 [PATCH net] net: clear mangleid_features for SKB_GSO_DODGY TCPv4 Guoyu Su
2026-03-07 16:43 ` Eric Dumazet
2026-03-08 8:33 ` [PATCH net v2] net: use skb_header_pointer() in gso_features_check() for TCPv4 GSO Guoyu Su
2026-03-11 0:48 ` Jakub Kicinski
2026-03-12 10:43 ` [PATCH net v3] net: use skb_header_pointer() only for DODGY TCPv4 GSO skbs Guoyu Su
2026-03-17 10:22 ` Paolo Abeni
2026-03-19 0:54 ` [PATCH net v4] " Guoyu Su
2026-03-19 13:17 ` Willem de Bruijn
2026-03-20 14:14 ` [PATCH net v5] " Guoyu Su
2026-03-20 19:24 ` Willem de Bruijn
2026-03-21 1:36 ` Willem de Bruijn
2026-03-21 15:31 ` Scars
2026-03-21 20:58 ` Willem de Bruijn
2026-03-22 4:26 ` Guoyu Su
2026-03-23 3:36 ` Willem de Bruijn
2026-03-24 10:40 ` Guoyu Su
2026-03-26 3:12 ` Willem de Bruijn
2026-03-26 12:18 ` [PATCH net v6] net: use skb_header_pointer() for TCPv4 GSO frag_off Guoyu Su
2026-03-26 16:25 ` Willem de Bruijn
2026-03-27 15:35 ` [PATCH net v7] net: use skb_header_pointer() for TCPv4 GSO frag_off check Guoyu Su
2026-03-27 19:56 ` Willem de Bruijn
2026-03-31 0:40 ` patchwork-bot+netdevbpf [this message]
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