From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 02B7A1858 for ; Sat, 20 Jan 2024 05:40:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705729232; cv=none; b=ZxxnyNEr2vfbVvmcTUrZNFFt+QL1o8Hc8vD63eNBcluqVze7Iwlm7EnHH45DGpxXyXFLFoe1rBQ09sMM+OKldJth6Vlf1VhTKdPbxqHCAI+yjpYZgqEzqkQ0Pc9vLs3Gap0NWu66ZsKQ1bFm4SGlSO7oM9XmgGtrNjUV5uvN6M4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705729232; c=relaxed/simple; bh=XjW0WSo22kiZZf7rcnzxnmI8nexvL1ZGy1t8q8lwruI=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=LU8REhPYomDdUFhiPwrV46Z4zWO9/N7Q5KsnAh9IdYAv0WJA5s+yHuTHsaEZ+Wvr11iWZiD/ztnxXDvr6lFanKgOiHN8buFNf+p6p6aSRa4oFAWRCCtPDJGTG6Sgp5FkoiQyXGDW8PAw2BiOb/thJ+n5qRQNnvyZG79FWfFxqqo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OnUCRYnM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OnUCRYnM" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8D61BC433F1; Sat, 20 Jan 2024 05:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705729231; bh=XjW0WSo22kiZZf7rcnzxnmI8nexvL1ZGy1t8q8lwruI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=OnUCRYnMgXdoylUyE/j32j5nH2mYUu4RtVXVu6xuok3qBBiFGwgMS+xpAWDIafYue CKMJ9bvf1brWdkF6vsQxw4Dis0bGaZJvxLSKwqPyLVmOYux/ea6W+JtcCM+6QKlzck +SAaaetTV04d/BSztaXNxucmX67BkE2w5237BwBL6YhAgsBcUdgyOxvXb16BlvaU/G GQjYHFWNRr8ceWNm6UqJVpVz81Jyq1khEMKFjYkt+lrKfyWcaDT2lnMKL6gBAGnhBD i2t/Fbxey/J9vrlZwukZFFd74Zouc/bdTS4NYUxf9OLDRhjUVY/3ZFt9G8IGp/jgI2 1hevwf7JVeY4A== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 70772D8C985; Sat, 20 Jan 2024 05:40:31 +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] llc: make llc_ui_sendmsg() more robust against bonding changes From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170572923145.12405.17596372197277847619.git-patchwork-notify@kernel.org> Date: Sat, 20 Jan 2024 05:40:31 +0000 References: <20240118183625.4007013-1-edumazet@google.com> In-Reply-To: <20240118183625.4007013-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzbot+2a7024e9502df538e8ef@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 18 Jan 2024 18:36:25 +0000 you wrote: > syzbot was able to trick llc_ui_sendmsg(), allocating an skb with no > headroom, but subsequently trying to push 14 bytes of Ethernet header [1] > > Like some others, llc_ui_sendmsg() releases the socket lock before > calling sock_alloc_send_skb(). > Then it acquires it again, but does not redo all the sanity checks > that were performed. > > [...] Here is the summary with links: - [net] llc: make llc_ui_sendmsg() more robust against bonding changes https://git.kernel.org/netdev/net/c/dad555c816a5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html