From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FCA91D5151 for ; Sat, 31 May 2025 23:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748733605; cv=none; b=kRAskDbJo0fPTLZncEntxdWnaJklUIzOuMRQyE85eS46mypMIKBdUe1/fuVVrnIOTTzNs5MFJqUbvNZqwIu+YmJMidSPQ6I2qjrzXVy3xNG7I3qWVqUA8/fUeAq4jYmJokSsGByTeGnnPbwaIQHdSUJErkJlGadVkNsgMzW5khU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748733605; c=relaxed/simple; bh=KDGKspSNKQHNNPjKszU2Jv76s0xm+qLt2JhjIGoqvvA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rek6xPXtE0+7oz52PEH2M/BnKIaKtvnn/V2jeA4oYqFjgkLtq7S10ozM/J3byFx0BExYuc9o/DjxfPyQgepP73M/iWl+5C5S/57xQwHMCVll68wltNryqyYFW0h42shwdzqxs4TYyGTfFDOGKmmiC1qP1nNXY1ckb41U6hoNUbw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-86d1218df67so58922639f.1 for ; Sat, 31 May 2025 16:20:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748733602; x=1749338402; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yZhhLbnZ0PG4eSSt9FnuW1K8TROo5OM3uq9fTUJ0/Ws=; b=r4dLnRq29UsKrkYA2n6IxRYrDUy5GROOEp0g8Rm5NOMWVOXQqXAxrBzjg2Nk1/aJ6P jKV/TD+DrqVUKHtgeXGRr/ESqHEEvpXF6xXQQyg+cWXSMp5VM9NitU+z4QSe8dPKXku3 Sqt6/zILLUAjxyFCIvd/VgyuDGwq7CpfT9M7eht4aFKNVc3AvQc03wtAVxqjr+gSuxCS o+zx3Nym68d0VnABk5kGarbxxgUWuuksEGaSsoWGXBL6Lx3/jnsyc1cRtqNIjNy4QjeS 3xO+YB/hzeyFbXJ7mAeCwPLFfI0RpKV9g32ImECpIVp7yBFO58aEIBnR2ASbllEfDoxZ QlsA== X-Forwarded-Encrypted: i=1; AJvYcCWLy565EzU3pk+gzX4KvfPGWUyCa3eoPLYI/G+F31k22fESUzzPOsObsSQGgd1Om0CFN7Tq@lists.linux.dev X-Gm-Message-State: AOJu0Yw+/IMZaLI2FrgTlc6+NzofQF8nzkBHLEYzBfYZOiL9sP+rqVmb cXEGXRygvsITI+UasxR+UyI9+wQI6BbC3a5Q0rc6Bg8WN2fj5dtO0GKTwBjkyC/7E53RceyJofM xOPPez+h6+eVt6fTEu2coNmrVV8UPcv9tZTPDVQSK6HKOjraQP5OYX/CJAjU= X-Google-Smtp-Source: AGHT+IGCxD3oAG4WtemqwxCGWKeXMSIRReB1CBwta6mTh7ppTS3JkVTjOWgbuFnoIN0s/mgfSawICbO9dqqQBziJHDaLHyOxRUdu Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2287:b0:3dc:8a53:c9c4 with SMTP id e9e14a558f8ab-3dda3342b6cmr26765825ab.6.1748733602686; Sat, 31 May 2025 16:20:02 -0700 (PDT) Date: Sat, 31 May 2025 16:20:02 -0700 In-Reply-To: <67b75198.050a0220.14d86d.02e2.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <683b8ea2.a00a0220.d8eae.0020.GAE@google.com> Subject: Re: [syzbot] [netfs?] kernel BUG in folio_unlock (3) From: syzbot To: asmadeus@codewreck.org, chao@kernel.org, dhowells@redhat.com, hch@lst.de, hdanton@sina.com, jaegeuk@kernel.org, jlayton@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, netfs@lists.linux.dev, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev, willy@infradead.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 80f31d2a7e5f4efa7150c951268236c670bcb068 Author: Christoph Hellwig Date: Thu May 8 05:14:32 2025 +0000 f2fs: return bool from __write_node_folio bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1129d00c580000 start commit: 0f70f5b08a47 Merge tag 'pull-automount' of git://git.kerne.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1329d00c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1529d00c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=22765942f2e2ebcf dashboard link: https://syzkaller.appspot.com/bug?extid=c0dc46208750f063d0e0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15bfe970580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13bfe970580000 Reported-by: syzbot+c0dc46208750f063d0e0@syzkaller.appspotmail.com Fixes: 80f31d2a7e5f ("f2fs: return bool from __write_node_folio") For information about bisection process see: https://goo.gl/tpsmEJ#bisection