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 9E14B200DE; Sat, 6 Apr 2024 06:10:29 +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=1712383829; cv=none; b=Gy95tUEmgOC9fTBL1cbjycTe5L/25jy6UyRwp5MUYo0P6QgwKGIK+zlosWlfRlaFkXIHBMv3pXVgmz9OcR6t1kolEGdaOD2T8PgFG25zQTX3OXtR6iTwEYRUVMdOGrA94XPJIgUqmBNWolxs/trY6BLZuDnUPKn4KSOQYW+bIg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712383829; c=relaxed/simple; bh=75ytIHuAAClVGUT3oTXe7avG47ILWXJbTniLJymRhwM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=m6Vf0elcsW+hS6+crl08pNC+blF5XaBPIH+6N5wMFsXRBW4Y6rQPRiQtwLWxsQhLQNprTVpxxaVLyoQxRtlsLxi98IjLwOSDLJZ7s2EUOo10D3wLVZ3i417rTR9/cBgYky03QYy6vAiyUrXEXvmz6tF85yJFUqJ3vbHl8cDWtc0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m50SwoLu; 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="m50SwoLu" Received: by smtp.kernel.org (Postfix) with ESMTPS id 46FF1C433C7; Sat, 6 Apr 2024 06:10:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712383829; bh=75ytIHuAAClVGUT3oTXe7avG47ILWXJbTniLJymRhwM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=m50SwoLuftzKEcOTq3+KdI48Vl/mTNTi1WiXsp7v7cyDfyxX3e6/TJK/yKl7dw3D3 37t5jbkGdn88Zz3aG/HJU6/ey81MMhB+zbMfy++Wqq/IUsyU0/jHq+TZyuutbV0jdz oKGO/xNEWtdlDyqR1ENr1ac9Z7/N5N/N6XZyivATrquJl5dB+XmOQdcdeID5Gu2U0j Bo6uSwPxBOafVOt4jZAlqK4uXsMJURc1iW6bjcZP4dQLoHFW2VhgNMZ+p+nRQVzAqH jRLw41V8QfPkDjaWIf8o+OBJCWo+vK5uZfdA3x6BCZqM3sz/KBN4jlKVuhDCBXI9md v2OG4mz7q4nvg== 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 3483CD8A105; Sat, 6 Apr 2024 06:10:29 +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] xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING From: patchwork-bot+netdevbpf@kernel.org Message-Id: <171238382921.24936.7626242183115948286.git-patchwork-notify@kernel.org> Date: Sat, 06 Apr 2024 06:10:29 +0000 References: <20240404202738.3634547-1-edumazet@google.com> In-Reply-To: <20240404202738.3634547-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzkaller@googlegroups.com, bjorn@kernel.org, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com, bpf@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 4 Apr 2024 20:27:38 +0000 you wrote: > syzbot reported an illegal copy in xsk_setsockopt() [1] > > Make sure to validate setsockopt() @optlen parameter. > > [1] > > BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] > BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] > BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 > Read of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549 > > [...] Here is the summary with links: - [net] xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING https://git.kernel.org/netdev/net/c/237f3cf13b20 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html