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 DEE0D218314 for ; Thu, 7 Nov 2024 20:30:44 +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=1731011445; cv=none; b=OP5qpTxeNevLFO1uTowZzBgLD4qNJ3bXSuIVJNwi0vJL3jOWC1lAQSU7lkyfLqdcJ+1Zsx85DAt5p8QrBZgmqjINhWVjy+P5vD0ZqQRxcm80aFFPwLlgbiv93WkDNqYWUXgAT/xGazPvIbJjjGunji5KlNoVAvDdOk7ralMa5Mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731011445; c=relaxed/simple; bh=EYuGwPoXdKxAgBqaNBZh+1hyRDGNtUBv9XJ3c5kvPiw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ZibEpxThrF/MwUd9+CJmK+h5FH1dkWuYbZ0Myx64yQdtEDv5XZb3Zzfk1PYe30+OiZqQCtE0dNHwGkfU1YOOPS/mCQE2ngwvGjNaASO+WsBqOAQeObkhY/9CPwNaOhdstJpPbD2Mw940C2rIotCnfAX7FB7LvxM475hy4wC4BcQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=U7SjE5uz; 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="U7SjE5uz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A4F2C4CECC; Thu, 7 Nov 2024 20:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731011444; bh=EYuGwPoXdKxAgBqaNBZh+1hyRDGNtUBv9XJ3c5kvPiw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=U7SjE5uz79zkZdtsINzKOjTg987S4JtDbVfzXHQWRkysn3NF38Rj5IE2b81EqXd+a k8lt66PjfWNNlamfVO83pCQ8VrXWZlrszmmnREZbLo9OvZmHHbqJsPoJ3q5allxHBW ByMp5C8RoUxEjXfjGT59CLXNGIQ6fpAaIpPp3rFYDaSpQJS7AXoE0Ul3IyTJjCbhc8 UrTgR8yuEOblgrpZiAHhWBPUd9M0DOJ7Fx9c+D5cgHpf4yY5mgcKRm9q6JIr4SIbMv PG5mZQDapg+oxmEYhaVFVwmL2UWZOe2pI6ZiyaHSlEovOFmrNjiIJdy/puoFA1YEpC KbSV0KyzAcnkw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EB3593809A80; Thu, 7 Nov 2024 20:30:54 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason() From: patchwork-bot+f2fs@kernel.org Message-Id: <173101145349.2084993.4012866127488813376.git-patchwork-notify@kernel.org> Date: Thu, 07 Nov 2024 20:30:53 +0000 References: <20241022083623.2641434-1-chao@kernel.org> In-Reply-To: <20241022083623.2641434-1-chao@kernel.org> To: Chao Yu Cc: jaegeuk@kernel.org, syzbot+be4a9983e95a5e25c8d3@syzkaller.appspotmail.com, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Hello: This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim : On Tue, 22 Oct 2024 16:36:23 +0800 you wrote: > syzbot reports deadlock issue of f2fs as below: > > ====================================================== > WARNING: possible circular locking dependency detected > 6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted > ------------------------------------------------------ > kswapd0/79 is trying to acquire lock: > ffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline] > ffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068 > > [...] Here is the summary with links: - [f2fs-dev,v2] f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason() https://git.kernel.org/jaegeuk/f2fs/c/f10a890308a7 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html