From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, idosch@nvidia.com, dsahern@kernel.org,
netdev@vger.kernel.org, eric.dumazet@gmail.com,
syzbot+c13a57c2639c2c0d03a6@syzkaller.appspotmail.com
Subject: Re: [PATCH net] ipv4: icmp: reject broadcast/multicast routes
Date: Thu, 21 May 2026 02:10:10 +0000 [thread overview]
Message-ID: <177932941088.3832404.2328947002788399099.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260519200836.4141061-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 19 May 2026 20:08:36 +0000 you wrote:
> syzbot was able to trigger ip_rt_bug() in a loop, using an IPv4 packet
> with a crafted IPOPT_SSRR option:
>
> options: ipv4_options {
> options: array[ipv4_option] {
> union ipv4_option {
> ssrr: ipv4_option_route[IPOPT_SSRR] {
> type: const = 0x89 (1 bytes)
> length: len = 0x7 (1 bytes)
> pointer: int8 = 0xa2 (1 bytes)
> data: array[ipv4_addr] {
> union ipv4_addr {
> broadcast: const = 0xffffffff (4 bytes)
> }
> }
> }
> }
>
> [...]
Here is the summary with links:
- [net] ipv4: icmp: reject broadcast/multicast routes
https://git.kernel.org/netdev/net/c/7eb72c1e3984
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:[~2026-05-21 2:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-19 20:08 [PATCH net] ipv4: icmp: reject broadcast/multicast routes Eric Dumazet
2026-05-19 22:30 ` David Ahern
2026-05-21 2:10 ` patchwork-bot+netdevbpf [this message]
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