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 DD92A3D25DD for ; Tue, 26 May 2026 09:09:59 +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=1779786604; cv=none; b=aR4KC1QRxGrN8IOCMVHGIsNPOmSggEvzQI4dlhnQZBhEqSFbOH96EVRNw8hHo19yr988uFZb3OM+fV7dDVql7qdHd79VdMhs40NdSnQYgZ5Itc1SzTSnsdgMQAq00qQ6kw2bfQsQIo1CIakMyaIGi1iYRXlAlPLl4lqBK+0VmU8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779786604; c=relaxed/simple; bh=4r45IpUTkQU6ppfwvidID+GIdmdylbQJFuTJtHpXdXI=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=J4UNn0vR0wKzdIoATfnLZruohJij8vUPH80Igwzyo5Nx2A32CaKggkdvwZlcCgfcUlhhafu5FaktwI/L1amBgEOxTK0Bo9pFfzK/uk4X6sbuLvIeFiF9ceYDrIooJXr+edH1XyRQIJPq1207iTeOHz2mAeS0LN29JuEBcUd2MfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g074q6Qm; 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="g074q6Qm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 916251F000E9; Tue, 26 May 2026 09:09:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779786599; bh=xBCmqxQTqp877RfEb5hRgUgKGwbKYOy8z+7EBJz+mmI=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=g074q6Qm84mDwxkjhxk5pTo6u9dN7WUsQbpxAHVhbti79duJCiHEbi6gP3LI3C02i HvGzTaMAP4rrF/OZeQDC9gLQG/VdsOtHv8JKKrHlPlIK4ZowHJRquoTGmxlT9AYOsX eIT/rK+9HIn1icUjxiHuN4eFZolGba8I14+xvrjoGEUvN+zTHx/MoCH0FxfzVPdOXG K4qpIQ0VD7yXJCWvIDXtzPGCrJBVggmZvMHKrY9Hg2Zp/GuZzYt7EeCWG6kdim+uwY 2198ogdB4McVvl1cJSpl7LQ9M1JI3qPkm09HrIiH6obcVBab5rTc/EiPf725wTilgk dbyi+cboUTxEQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 04D3A380CECE; Tue, 26 May 2026 09:10:07 +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 v4] net: team: fix NULL pointer dereference in team_xmit during mode change From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177978660586.3278044.973815356097374235.git-patchwork-notify@kernel.org> Date: Tue, 26 May 2026 09:10:05 +0000 References: <20260521081159.1491563-3-bestswngs@gmail.com> In-Reply-To: <20260521081159.1491563-3-bestswngs@gmail.com> To: Weiming Shi Cc: jiri@resnulli.us, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, xmei5@asu.edu Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Thu, 21 May 2026 01:12:01 -0700 you wrote: > __team_change_mode() clears team->ops with memset() before restoring > safe dummy handlers via team_adjust_ops(). A concurrent team_xmit() > running under RCU on another CPU can read team->ops.transmit during > this window and call a NULL function pointer, crashing the kernel. > > The race requires a mode change (CAP_NET_ADMIN) concurrent with > transmit on the team device. > > [...] Here is the summary with links: - [net,v4] net: team: fix NULL pointer dereference in team_xmit during mode change https://git.kernel.org/netdev/net/c/25fe708bbc59 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html