From: patchwork-bot+netdevbpf@kernel.org
To: Kuniyuki Iwashima <kuniyu@google.com>
Cc: willemdebruijn.kernel@gmail.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, johann.baudy@gnu-log.net, kuni1840@gmail.com,
netdev@vger.kernel.org,
syzbot+73df3f89e1e13089e466@syzkaller.appspotmail.com
Subject: Re: [PATCH v1 net] af_packet: Don't cast tpacket_hdr.tp_len to int in tpacket_parse_header().
Date: Tue, 01 Sep 2026 08:50:13 +0000 [thread overview]
Message-ID: <178825261387.1041503.18296517355721988030.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260830180915.260225-1-kuniyu@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Sun, 30 Aug 2026 18:09:12 +0000 you wrote:
> syzbot reported BUG() in sock_sendmsg_nosec(). [0]
>
> The problem is that tpacket_parse_header() casts user-provided
> tpacket_hdr.tp_len, which is u32, to int.
>
> If the length is larger than INT_MAX, the following condition
> in tpacket_parse_header() passes,
>
> [...]
Here is the summary with links:
- [v1,net] af_packet: Don't cast tpacket_hdr.tp_len to int in tpacket_parse_header().
https://git.kernel.org/netdev/net/c/73e594c19b4f
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:[~2026-09-01 8:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-30 18:09 [PATCH v1 net] af_packet: Don't cast tpacket_hdr.tp_len to int in tpacket_parse_header() Kuniyuki Iwashima
2026-08-30 18:25 ` Eric Dumazet
2026-08-30 18:36 ` Kuniyuki Iwashima
2026-08-31 15:32 ` Willem de Bruijn
2026-09-01 8:50 ` patchwork-bot+netdevbpf [this message]
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