From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794504006; b=x1PqGVuBreS53SWwNxSuqk46SA7FYVrFv6vvj/RKA5u19JzrHvKQ5XkSmSdq1/xu9CJX Qk6IPUy7s5Lp9Jw0IAtIAmnA3F6FUabu+hMQtjhfcVRvea0yQfXuOLEESbwLg1Edbf8Xz 5CjNqqyQWicot8NKsrgOQltVvW3ZZKQDSzlkjUGhqP5d11BbbTzGziSNOdradm1XaDWIR 34djVD9687mQxwyaGE7eiJC53HkjfBNus8aPHFacLY1ec4M6wTnOXcF5k57q/dw1pV5aP qSlKCwr0zVXSbARWpi7oLRVqgMOsND4D0Xq7aCfHxeYjQUpIRclq2lOSGK5hLQpT+3w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794504006; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=qS6fzWJciTtP2BqMr1B9alSuP1TE43oLife9LsW44uA=; b=A1yoac780j9qbD9sqTQdzmiTaDdQDjeCg8YUxXpHY8BfashHvx/YfLQvBDpPa5olybgf YGBGWNb0kRpspVEY5P+LFsqO60zA4oYUy0/Sd2C2E1hoQx+acCDONGXD/IWXxbWOTxgUr FnNM2zrFJuWe9Tc75SAFS9DM34YlUxmemvy4LAM2ADF79XDJujK9B768SRy1TpZz/hIaC dMQ2oshzRF/Z/kyVKx/GzCxvegF86rs3m6/VT5Ka7Bh7687oeY3FJNPDDiGxfEj/l2Zgl 2OZSjvacbhR7eK9mkGjUqft6UVa+9/0/1zFJklSLTlk2a58n0a28hM2G/UVRTtvYsyA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=dsNsZ81S; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8A81606A323; Thu, 12 Nov 2026 17:20:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=dsNsZ81S Received: by smtp.kernel.org (Postfix) with ESMTPSA id 441C31F000C4; Thu, 12 Nov 2026 17:20:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794504006; bh=qS6fzWJciTtP2BqMr1B9alSuP1TE43oLife9LsW44uA=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=dsNsZ81SJ0u6/XjilXatuL6uaKKgcXkSMqlwN9jN7R4yXMFlQRv0pUvVT72i7eZfv Z8/S6eJ4iRaamWs+isH5IytJqZcJzDD0s+cI4LmTBx0Fe+XZJmxGF8kxOhL8zWwT2q QMfHPqEYhG2dBWoe5E9OvbUqUIUhGrvYEAHnmZ7I3+zC6BSS1w9RWn3A99AZ+up+BB TlfG+/QBQxw71Q32IEroVUBlumEABafSZZUHKg2q67+L2bm+NndUEYf/bW6KE2cgm4 TnS+Vq5EbvzNDNwr33qQ3bSL4McVpF50jaesCgfL9KvGua3DrXTRlO6UlW0Azi4fH0 uCvbEtwcGegWw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A395380AA78; Thu, 12 Nov 2026 17:20:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v4] vsock/virtio: clear vqs[] to avoid a UAF on a failed PM restore From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179450400478.546493.17448438717163223055.git-patchwork-notify@kernel.org> Date: Thu, 12 Nov 2026 17:20:04 +0000 References: <20261109-vsock-restore-uaf-send-v4-1-1df8dfb5d5de@eldare.de> In-Reply-To: <20261109-vsock-restore-uaf-send-v4-1-1df8dfb5d5de@eldare.de> To: Jerome Mohm Cc: stefanha@redhat.com, sgarzare@redhat.com, bobbyeshleman@meta.com, mst@redhat.com, jasowangio@gmail.com, eperezma@redhat.com, xuanzhuo@linux.alibaba.com, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, virtualization@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 09 Nov 2026 20:39:24 +0100 you wrote: > From: Jerome Mohm > > virtio_vsock_vqs_del() frees the virtqueues but leaves vsock->vqs[] > pointing at them. If virtio_vsock_restore() then fails, the driver > stays bound with a dangling vqs[], and the next freeze or unbind > passes a freed virtqueue to virtqueue_detach_unused_buf(): > > [...] Here is the summary with links: - [net,v4] vsock/virtio: clear vqs[] to avoid a UAF on a failed PM restore https://git.kernel.org/netdev/net/c/2a24ba1694f1 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html