linux-kernel - Re: [PATCH v3] net: ipv6: fix skb_over_panic in __ip6_append

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] [day] [month] [year] [list]

Message-Id: <164704921053.16208.7597460524504713837.git-patchwork-notify@kernel.org>
Date:   Sat, 12 Mar 2022 01:40:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Tadeusz Struk <tadeusz.struk@...aro.org>
Cc:     kuba@...nel.org, willemdebruijn.kernel@...il.com,
        davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        syzbot+e223cf47ec8ae183f2a0@...kaller.appspotmail.com
Subject: Re: [PATCH v3] net: ipv6: fix skb_over_panic in __ip6_append_data

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 10 Mar 2022 15:25:38 -0800 you wrote:
> Syzbot found a kernel bug in the ipv6 stack:
> LINK: https://syzkaller.appspot.com/bug?id=205d6f11d72329ab8d62a610c44c5e7e25415580
> The reproducer triggers it by sending a crafted message via sendmmsg()
> call, which triggers skb_over_panic, and crashes the kernel:
> 
> skbuff: skb_over_panic: text:ffffffff84647fb4 len:65575 put:65575
> head:ffff888109ff0000 data:ffff888109ff0088 tail:0x100af end:0xfec0
> dev:<NULL>
> 
> [...]

Here is the summary with links:
  - [v3] net: ipv6: fix skb_over_panic in __ip6_append_data
    https://git.kernel.org/netdev/net/c/5e34af4142ff

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