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=1793667010; b=iLW9byZcVlDwMrOtyT5v19yxe/of6hdMf10SK98vQb5nbLi8pNKHlip9LeAulJ0rHrGg LjzX38vDry7lKeB4QbCH/WAbsua3WpdPuK32Wh0Xv+OGR0V9wkLK7jjvQQTXeSZsAWSS4 iozJTRKw8fT6E8oKOwXffs5kbSPUlteWG0H22oaYc9y26hVITIwmd9j54Hj/A8RLKyl+d NW3hDbgpKGDkDSFP86wx/OyU52ksxUltlDRLWeLVScVsZgYhMCIfV5lx6i93q5Lw6Qd7s +83x4aF3vKNzXMM5VD3RJoRzIvJDFj9C5tDRO6x9gyNwgHL4v0WshJDGa9tRP11jrHw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793667010; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=sQM8DOk+zZLZYMqSaPiKyghSQOh+EEtZ/OBexp3ZNJ4=; b=eabdBVdP/U4JGTyFUF9V4Ub5rMuhrlAC009Gu2S7wjPop9BkoDpv/Pt+jJOj0tGL/xJb umF91dpYpSMK0JgPbPPzSJF8KEMGToqOho5e1c82U2YFYH/1tgncQ+6FXClwjdJeGYepK R6KFYOwLgg2BnN9iH52dx/ZkD+GeENRUkV6j1UwMOcVHszO1uh1g5iBdVMHJZ666hvKIo R4WmMmeWhI68QKM9RM5t8qap2TXvHf0buMdD8rbm2ggbFWpdQa571JfwDmUOOy4P3xvHC g9VWQZwAmKwVM5rJcd+rj1KU2WogsIteA6IU5vEKpIKHndFL08+y1opIOBbC/G4AeuA== 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=JxTdKS3T; 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 05BB5606A329; Tue, 3 Nov 2026 00:50:09 +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=JxTdKS3T Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86B801F000C1; Tue, 3 Nov 2026 00:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793667009; bh=sQM8DOk+zZLZYMqSaPiKyghSQOh+EEtZ/OBexp3ZNJ4=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=JxTdKS3T/D0H8YXeBF7xqpYwd0KtU7EE0AJG6yUYf1hvBq1FPdyBLpNi5/yG/AGoq EEmvDZCGxw8gboYd6u9cV5qNB/chUcuAa1BY1NY4bNZtrRfzPw00V+CpLRS9qxwl4f 3dXD9XllocKghwTvf2WZsigIL9Z/FZUsjxiMN1Jqy68WXCkqsS7Th8vMeMkbdr4uH+ bbpLMcmXRPKZAgFHOfWzMhjxOSYs9aeq3ZGRpI8loc+Yfut8lZzn+rZI+TCWMGsRbE n28NeLOmkRHTwYmgwYBiYiaT78es2aeePX8rIbZfkaiBbdVJA8q3yJkQrEp9x4RVIV LcCeYdKunvWrA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7D44B380821F; Tue, 3 Nov 2026 00:50:09 +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: [f2fs-dev] [PATCH v2 1/2] f2fs: fix use-after-free of quota file names on failed remount From: patchwork-bot+f2fs@kernel.org Message-Id: <179366700804.755181.9413256107192916599.git-patchwork-notify@kernel.org> Date: Tue, 03 Nov 2026 00:50:08 +0000 References: <20261102023647.1084979-1-zhanxusheng1024@gmail.com> In-Reply-To: <20261102023647.1084979-1-zhanxusheng1024@gmail.com> To: Zhan Xusheng Cc: jaegeuk@kernel.org, chao@kernel.org, sandeen@redhat.com, zhanxusheng@xiaomi.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, lihongbo22@huawei.com, syzbot+e818dd42ada3b583bed1@syzkaller.appspotmail.com Hello: This series was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim : On Mon, 2 Nov 2026 10:36:46 +0800 you wrote: > From: Zhan Xusheng > > f2fs_show_options() prints the journalled quota file names without any > lock that excludes remount, and a failed remount frees the current names > before restoring the old ones. Reading /proc/mounts at that moment is a > use-after-free. > > [...] Here is the summary with links: - [f2fs-dev,v2,1/2] f2fs: fix use-after-free of quota file names on failed remount https://git.kernel.org/jaegeuk/f2fs/c/441baab7f06a - [f2fs-dev,v2,2/2] f2fs: free the quota file name that remount drops https://git.kernel.org/jaegeuk/f2fs/c/f0d620265cbe You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html