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, kuniyu@google.com, netdev@vger.kernel.org,
eric.dumazet@gmail.com,
syzbot+965506b59a2de0b6905c@syzkaller.appspotmail.com, ja@ssi.bg
Subject: Re: [PATCH net] net: serialize netif_running() check in enqueue_to_backlog()
Date: Tue, 16 Jun 2026 22:50:08 +0000 [thread overview]
Message-ID: <178165020813.1270198.2547560185678219192.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260616141317.407791-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 16 Jun 2026 14:13:17 +0000 you wrote:
> Syzbot reported a KASAN slab-use-after-free in fib_rules_lookup().
>
> The root cause is a race condition where packets can escape the backlog
> flushing during device unregistration (e.g., during netns exit).
>
> Commit e9e4dd3267d0 ("net: do not process device backlog during unregistration")
> introduced a lockless netif_running() check in enqueue_to_backlog() to
> prevent queuing packets to an unregistering device.
>
> [...]
Here is the summary with links:
- [net] net: serialize netif_running() check in enqueue_to_backlog()
https://git.kernel.org/netdev/net-next/c/46762cefe7f4
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:[~2026-06-16 22:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-16 14:13 [PATCH net] net: serialize netif_running() check in enqueue_to_backlog() Eric Dumazet
2026-06-16 21:39 ` Kuniyuki Iwashima
2026-06-16 22:50 ` patchwork-bot+netdevbpf [this message]
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