From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1693F3F23C5 for ; Tue, 16 Jun 2026 22:50:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781650215; cv=none; b=TLmDqRSXdA0aAxzRTqz+1l8DY+Vmr0KGRibfR4N720vcw+E9QQ3fQEheUJUIninBdfU4LEtHokA3fvpUJT/Gm9NQjzFWqVGp+l5XP2AowVEs5QQM7lHA716iBPh+GAr6bxj4rrTcTwArmquVNenafDcAximjTYrJcyJYqdApcCs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781650215; c=relaxed/simple; bh=0LuK6BGXClghCFSgOlHKW6IE69fzFImOZRfjGaXxnys=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=c4up0xFHdVJTneEQvw8sT6eo45/VRrb5l9iq4HGnr4DkyPxkSYiC8v32zIAvekTb15y5dNB/gN7fZ0P9yosp8uWGru9jqjpaAe8uX/AajKZa2ZW6L0uZ8EFkbhxonlGfU2gvgzRLBBn46pjcjnGnPMlBJeTmnJVuZ5+esx1HkZ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FAEDinCg; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FAEDinCg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E725E1F00A3A; Tue, 16 Jun 2026 22:50:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781650213; bh=DwOYcp3YGZwWFn3IYiB0Vwpp3mVS542ytQVs7+Rl4BQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=FAEDinCgbl+vxaytYlVONV0c1G52EFVgSpAV3hQdF6qgHhIrpOxg7CZSl/HcJw3Y+ VVXuODUxchMcVUkU5imSWUBPbiFlHQZ5JD7y+aJClhSze/SUA7KVy0Wh8Z4PlwJVNN ncG5ylz1GdgGm93u9WyEfWfeKbJee/s9cezhbvLYeq/23ZapybBL4HwqBGUhakth5j +MDOSKgLVegKTW+Rmo+pFTWQP/iEmbZVIJnEZhq1y+6hguhdWi+NCcwME0ky5py7Vc z3Xr9yEZXAOx3yKFRBzsHuNcz6siqyjBq/lCqpP0SlwHPGNg2DFh98s0oLMc7xcA20 3VKPMuAuVluFQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 9389B3930C2E; Tue, 16 Jun 2026 22:50:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: serialize netif_running() check in enqueue_to_backlog() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178165020813.1270198.2547560185678219192.git-patchwork-notify@kernel.org> Date: Tue, 16 Jun 2026 22:50:08 +0000 References: <20260616141317.407791-1-edumazet@google.com> In-Reply-To: <20260616141317.407791-1-edumazet@google.com> To: Eric Dumazet 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 Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : 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