From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) (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 0404120C49E; Fri, 7 Mar 2025 11:29:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.63.210.85 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741346989; cv=none; b=QIOhBXbHosj/TSE809siDWij0QhvZimKCyc0/b0Q86hnz5e3WoI8uLv6P6eTzCjsa8XMhD2i4ETzyyyqvPC0dzQ5HSYdSh4y3T13cAMu3LhuhojyOPD087t8xgpXLmn7dUXNEGtPt1opL5QB5lcUjoRflXkGtABj3d/kTyYm5L8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741346989; c=relaxed/simple; bh=WkCxgnFYvFujFRMpZOJasVbjW5B9RnepoADsBQ+01hw=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=iavuStV2h6KMim3Ix5KFL1LRPBSAZOChH1JobH1frIw7VgmrFVhRVXLjTkNDp2TlYCt+sBddVI0ZWs4c+bwi5mmxHN26zgEoOF44FWcGR5D2Ynihw04JWZvnjlCvVmP4ROG0DNy+4msxft3DkMNzSapi/CtmSBkZYcEJoO+acGs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=marcan.st; spf=pass smtp.mailfrom=marcan.st; dkim=pass (2048-bit key) header.d=marcan.st header.i=@marcan.st header.b=q8mcuh8p; arc=none smtp.client-ip=212.63.210.85 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=marcan.st Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marcan.st Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marcan.st header.i=@marcan.st header.b="q8mcuh8p" Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: marcan@marcan.st) by mail.marcansoft.com (Postfix) with ESMTPSA id 3854C447C6; Fri, 7 Mar 2025 11:20:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1741346440; bh=WkCxgnFYvFujFRMpZOJasVbjW5B9RnepoADsBQ+01hw=; h=Date:Subject:To:References:From:In-Reply-To; b=q8mcuh8pkZlvAP3cXTIfj9IrDH3WpsylC0KiGdFLtoGoBpo2tRFcVZFn/GjFeLeed xUp5izj+iMo7THXQX4CAwe6NoQgAI4grm48wrNVWKcG6mLIb/ShunVu2BNNSgSLLpd AVZ0xcj6sEVzyjKWO9OyKjueNcezZmCySRpJJ6lIpMu/ikvNKsWB2X0K7UGNP8a3ca pOSrSePk9KH2nS9X5gkGz4fILSwpW2vemT8MGMyFEtXuRXqIAa1BlMaj1ftye4fXEZ poJQIQ5LVbwufSkZEun3tP44gxRIMyng9ErW+hPuYJY5YVo9BjM6R63Q0B9bdJOX90 f6jNogm148Jfg== Message-ID: <239cbc8a-9886-4ebc-865c-762bb807276c@marcan.st> Date: Fri, 7 Mar 2025 20:20:37 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [bcachefs?] general protection fault in proc_sys_compare To: syzbot , broonie@kernel.org, joel.granados@kernel.org, kees@kernel.org, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <67ca5dd0.050a0220.15b4b9.0076.GAE@google.com> From: Hector Martin Content-Language: en-US In-Reply-To: <67ca5dd0.050a0220.15b4b9.0076.GAE@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2025/03/07 11:45, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: b91872c56940 Merge tag 'dmaengine-fix-6.14' of git://git.k.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1485e8b7980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=8de9cc84d5960254 > dashboard link: https://syzkaller.appspot.com/bug?extid=4364ec1693041cad20de > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=149d55a8580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/4b855669df70/disk-b91872c5.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/e44f3c546271/vmlinux-b91872c5.xz > kernel image: https://storage.googleapis.com/syzbot-assets/b106e670346a/bzImage-b91872c5.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/68b26fa478ee/mount_0.gz > > The issue was bisected to: > > commit 579cd64b9df8a60284ec3422be919c362de40e41 > Author: Hector Martin > Date: Sat Feb 8 00:54:35 2025 +0000 > > ASoC: tas2770: Fix volume scale > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14aa03a8580000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=16aa03a8580000 > console output: https://syzkaller.appspot.com/x/log.txt?x=12aa03a8580000 [...] This is a bad bisect. Not sure what the appropriate syzbot action is in this case. - Hector