From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f77.google.com (mail-io1-f77.google.com [209.85.166.77]) (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 EECB821FF58 for ; Fri, 20 Jun 2025 06:44:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750401874; cv=none; b=k451bj+U/NsT9oDXf09il5rMWNh8OZ/XgVj3gP68VdvK5DeZIM7SxmkE5xDctdkfSk0B+ux5Wer7kOyKv0BI5fqSrAqLznfWVB46/trPFmyaW96e3GvlJqpN7ZQHrsr1PVZ5QrEWQUYG0YhFsqbxkd5hLDz73tAVAcZP7o6yf28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750401874; c=relaxed/simple; bh=NrlKuBMWjGmAhAQY+i2cFjR5QEjGaiLQ0rjW6NpmjnY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=oTHCpDMCcVUfNAHjbHaAY879QN64gTcX94JXi0Q/tUm9lwHrRSYlnxcTmkj8RLCh0G2/GSCzh/Gd6horuYwWzyJdqRf3b0QlUJXmdXTHbM3NKA9fhOIyeuz8k45sVs1l/PIf0x741JiR5lQCPVPFXCH+OPMTAqmP4j2m9CrYfrs= 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=209.85.166.77 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-f77.google.com with SMTP id ca18e2360f4ac-875b6256041so107758839f.2 for ; Thu, 19 Jun 2025 23:44:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750401872; x=1751006672; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=z7kVO0N3msBAmWGMDRyGWAg4wAq++1TEknB8jPIDN7g=; b=FMXv/rRNiVwNo8nRngNHaA+KfoH82hb9n6Nk+aYjuOR09nAfZ/SxQU7AoRER1vZ3kG uOTPMGGz4YXITRMhJ5/MYuvWq2rz0oQAcZe0mIA8rfgdH4HXLGWJUSsBROEmfpaWzHFC CbLpXUC+y/Itgnl5UcmI9bM45S5l4h0fnsIpc2vIN1Mxo9+jxCI+ZnyH34nM9nYW8GJ4 MOpALMHWc/hgEXGnO2KG8InwGX2fIjTDD5JTXTyO1iwn+2omZEGd4SZNsvArcr3qzbT2 rQU8RhM+p1ROl1nK+o89okP1xd4MQZubsj4avO4FYsV1OQH5DBMVpyaHPmtwuEbykIV7 gtmg== X-Forwarded-Encrypted: i=1; AJvYcCWVDiFLj2Zy7J3IdmHsBDbjtRqK7/7c8m0HK/mKnvPij9B6UkOeasmdMlbwNiDf6/4tu8TX@lists.linux.dev X-Gm-Message-State: AOJu0YwU0jzdLl4A9+ww9Yq/Ux7RKUe6Ygw3vfnrNt64V7AGhWnd+AAP W3l+LkZk42b9tV0NaBQ3IK2iW4E0OK5uFAfv2umI9vmSXhUqqo8PYrNnxuM/c2UkjKXsxHfEAWM 3PQ8NGB48WMnLnHW6yuaAMjddjWxX7VZZ5tKJQbcf3V5p/uclerAEk/zDys4= X-Google-Smtp-Source: AGHT+IHYKCvDkixiXKMTqbr4Hg3Gc5Ydc5TjCY/lQ3TYf1HV/YlT8xjlNze8O+ktC7jjavEOoRXVMJCHH8wnCGOt5W70N6WDWjkL Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b0b:b0:3dd:d18a:2d71 with SMTP id e9e14a558f8ab-3de38c15e8bmr17182145ab.2.1750401872049; Thu, 19 Jun 2025 23:44:32 -0700 (PDT) Date: Thu, 19 Jun 2025 23:44:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68550350.a00a0220.137b3.0032.GAE@google.com> Subject: [syzbot] [gfs2?] kernel BUG in __gfs2_glock_put (2) From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: bc6e0ba6c9ba Add linux-next specific files for 20250613 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15cd6e82580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2f7a2e4d17ed458f dashboard link: https://syzkaller.appspot.com/bug?extid=ef4ad020dc976d178975 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/2430bb0465cc/disk-bc6e0ba6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/436a39deef0a/vmlinux-bc6e0ba6.xz kernel image: https://storage.googleapis.com/syzbot-assets/e314ca5b1eb3/bzImage-bc6e0ba6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ef4ad020dc976d178975@syzkaller.appspotmail.com gfs2: fsid=syz:syz.0: G: s:UN n:2/925 f:a t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:274! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 55 Comm: kworker/0:1H Not tainted 6.16.0-rc1-next-20250613-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: gfs2-glock/syz:syz glock_work_func RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274 Code: 3f 48 89 de e8 ed 0e ff ff eb 26 e8 c6 43 cf fd e9 30 fe ff ff e8 bc 43 cf fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 a5 43 cf fd 31 f6 65 ff 0d 3c cc ac 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000130fa48 EFLAGS: 00010246 RAX: c5b932becee92b00 RBX: ffff8880572f5fb0 RCX: ffff88801b770000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000130f307 R09: 1ffff92000261e60 R10: dffffc0000000000 R11: fffff52000261e61 R12: dffffc0000000000 R13: 1ffff1100a9dc815 R14: ffff888054ee4000 R15: ffff8880572f62a0 FS: 0000000000000000(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555656fb5c8 CR3: 000000007604a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work kernel/workqueue.c:3235 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3318 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3399 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274 Code: 3f 48 89 de e8 ed 0e ff ff eb 26 e8 c6 43 cf fd e9 30 fe ff ff e8 bc 43 cf fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 a5 43 cf fd 31 f6 65 ff 0d 3c cc ac 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000130fa48 EFLAGS: 00010246 RAX: c5b932becee92b00 RBX: ffff8880572f5fb0 RCX: ffff88801b770000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000130f307 R09: 1ffff92000261e60 R10: dffffc0000000000 R11: fffff52000261e61 R12: dffffc0000000000 R13: 1ffff1100a9dc815 R14: ffff888054ee4000 R15: ffff8880572f62a0 FS: 0000000000000000(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555656fb5c8 CR3: 000000007604a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup