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=1792629607; b=dAQknozzccIZ0leXfh52PpCnlpTfxkqmeI2fG1f5T4LTRR4acYku9FRu5Vwe7fvs140W R6lDFe5jxQ7vxrlkI5JVBlMFJFEqEhyaKzXiW85UwXGL0SEf/CQqz2x4eZE2fqkJrLkae WRQZWO62SPj01NWdl73En9TR0/8OZwxgnss4TiPpLxBt1ECGujt19iG4Y5tGMy5VIYZKW w5bP4JjILL7xTSCHSvxZeq0WfnCViIeW03ktuipLb0F3dCUseDcgP02gi5UO6BfyXBtBf LazYoW1XPtIIlI86By1riatI2wxQCnQFUrPfWZat04G6HJL+RukEtNrGcBggjPTLq7w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792629607; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=klp9h556s2dmmsj3dIxpAq/gnwvQTRBEk3BCnmqimjQ=; b=2Az4PCP+z1rcomQWG+gjaBHVCMDepp+Zd/MWHKyp6l26cBBdVrLI38o+F+uxXDqcayXg vUFxSp3eMvEMZdGR825JsrJF5w8HGG4aqJSfHKzhyGddp6q0tQu18yocOCBeTqx02Usfz 8xAnbV/VWvX2ZfXj+LiIUZWqth4AI5FhIsPLqhRrKEkM6RdqhmOtIYDpZvE/ZHfwde5T9 1a1tNFNmnMlpW++jtO7kdVJHko5Z2Up0pgFUpifsIZFamdT/SmLoMFTTImUH/Frd/6Hp7 aBDBuQW+/E9FSXUqzX6YNXlcf30yBy6AyipOFm2NN44UXS4Wty3HuNMz/GMtPxkjZ4w== 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=dJFzU+j+; 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 8E3CE606A329; Thu, 22 Oct 2026 00:40:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=dJFzU+j+ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 454691F000C3; Thu, 22 Oct 2026 00:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792629607; bh=klp9h556s2dmmsj3dIxpAq/gnwvQTRBEk3BCnmqimjQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=dJFzU+j+Ojm+kqvGzgUK2upk7XOosNqQ94rKuHbC/83jXPCXYbs+NQ0lBxzU7ASNG d4Q0DdTUoMcOHtaij9+d5vomwQziECmWzWbfV9VYCuFSuOfdqAfFpYPyM23ilptOgQ KRgAjZSgisgLW7NOlaOdFENjJh8MXkU6ReR0NpSgcW2RbnXzrK4LfMyOXj5LLsHnFn yJov5jaerk7Itxzb/GK379iEtVoOT+P2EtHpVFfnGQCyD0r7zBGOmTGpV7tt8/a3BF zcAgiDX24lSCek+kgZNMzif9M2o9h8QTaFtd7QgKYaO5wU1F1lTsryHwmd1buNOh/U r3SdULZQdCUgw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A385380A963; Thu, 22 Oct 2026 00:40:07 +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: wwan: iosm: validate msg_head before indexing msg_ring From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179262960577.1381785.17602246093034540225.git-patchwork-notify@kernel.org> Date: Thu, 22 Oct 2026 00:40:05 +0000 References: <20261020094254.4017726-1-liuc63@xiaopeng.com> In-Reply-To: <20261020094254.4017726-1-liuc63@xiaopeng.com> To: liuc63 Cc: m.chetan.kumar@intel.com, loic.poulain@oss.qualcomm.com, ryazanov.s.a@gmail.com, johannes@sipsolutions.net, fangxy@xiaopeng.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Tue, 20 Oct 2026 17:42:49 +0800 you wrote: > From: Liu Chao > > ipc_protocol_free_msg_get() reads msg_head from shared memory and > uses it directly as an index into msg_ring[]. If the head is out > of range, the subsequent memset() writes beyond the message ring. > > Validate head against IPC_MEM_MSG_ENTRIES before using it as an > index. The ring is a circular buffer, so a value outside the valid > range indicates a corrupted head pointer; report the error and fail > the allocation instead of writing out of bounds. > > [...] Here is the summary with links: - net: wwan: iosm: validate msg_head before indexing msg_ring https://git.kernel.org/netdev/net-next/c/46cbf85155e5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html