From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 42A7B12D215 for ; Tue, 4 Jun 2024 21:13:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717535608; cv=none; b=X0goIK3urP5X8eF5c3LU0hIXsQ87NRPjm0G5FvakOJc0sGG7mPQxYigUWcP+USyP1qCdpY8HUVf37ctKA1frS7jJ29yE8tI+Hpikpr3/CNJ2uwI/3ESRcJK7ASl5c+4/ft9YnPRlzPrN7pkGm8f2PI975CmJ+Md4iBEOGGH2uBQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717535608; c=relaxed/simple; bh=HsCz0ZeYwBA1nTPEYhPRjTcTOHjsSoTaudVR4/nIcT4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=J+mdtsI6r8gRU3fetpZlBVAEPOt8mnNa54SmKLDoIbGH/hXy16zu2TH2TnYxcDGTzzubbS+C+t6nHDna6EVlC8Ac677lUqMUPNC10I8pPvdMw63ljr2bEfQCN2MUg0hPpWFhnTwO1JSGQ9Rd3RgYdiAdjAp5DD/jyTdsH1RoCXg= 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=209.85.166.207 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-il1-f207.google.com with SMTP id e9e14a558f8ab-374a2ada068so25057845ab.1 for ; Tue, 04 Jun 2024 14:13:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717535606; x=1718140406; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=X02K38cZL0DbnosXLg9Rsk7c+qtdoxUw/8K9g7MIdgE=; b=gI2DzjUTlms8J+ePNb0PQCglttYpalRPyOyivgWReoaQfmshoPlHgKu+UL6+XKnqZH 4ZMR5kllgMZN+MG2rEq313NlIQLTPT/g3LyKTv4uPEaMGw4ei62F5H53u27Yt54J33fk txxnrQ80McCF4a/1UUF93hpiAx9ARKoSi1b7kEZ6Z3Qgd/yb/wjlxqhMmYopll82cMZe aWkHfiVcWO0b7gFNsx2jmIi1YW0zwvquUxVE2hkHBEXmNLbAcqahxsVDkggWJBTiOXPF KwZO4xB54NJHAaHb+qZsBa8Xgtw+1sMFnAQ+7/sRHRLrBxUhtlwAmpFNKW/XHIij2Tz6 QEvw== X-Forwarded-Encrypted: i=1; AJvYcCU98l/+k8JteMh9FE0zl1yEnni/u2DifOodu/GXxIkmxWqqMhuk/cxCrFlPv01hRwqSyj9OYbNKXam+etBNPUD73QnoD7PlcfpbezBT X-Gm-Message-State: AOJu0YwfnXWWUQV8M0fidm6jM+pFls3yVxp/NRRjuZDx0ay/t2wlnlq7 kmRobF2RYOEusELs/zvmFS4dT/+qBhlNxL01PZHNuXfUEqetAeqXEWoynbJM2HZSUotudQgKlzC eU9TDBGM9c5zzMXgoAkD7Eo0tc9Z0I1+1CN5x+oPLNEybUazJEiOIpQ0= X-Google-Smtp-Source: AGHT+IFYJLbdIpkFirEVMTc6tK9RBxgA1XVYj8S9yeKxwETlTpQmsH6fRiahC60hevkQnvOKVlS2LawmhzLmmwy53ho1hqKlz4y3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c26a:0:b0:36c:c4ce:8448 with SMTP id e9e14a558f8ab-374b1f83a64mr323165ab.6.1717535606440; Tue, 04 Jun 2024 14:13:26 -0700 (PDT) Date: Tue, 04 Jun 2024 14:13:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b6111e061a16ebc8@google.com> Subject: [syzbot] [jfs?] kernel BUG in jfs_flush_journal (2) From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: d8ec19857b09 Merge tag 'net-6.10-rc2' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13086d3a980000 kernel config: https://syzkaller.appspot.com/x/.config?x=47d282ddffae809f dashboard link: https://syzkaller.appspot.com/bug?extid=e66452054e1f161e8d29 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/42229dacbe9b/disk-d8ec1985.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/963a405f2e94/vmlinux-d8ec1985.xz kernel image: https://storage.googleapis.com/syzbot-assets/d861a4407dce/bzImage-d8ec1985.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e66452054e1f161e8d29@syzkaller.appspotmail.com BUG at fs/jfs/jfs_logmgr.c:1588 assert(list_empty(&log->cqueue)) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:1588! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 29917 Comm: syz-executor.4 Not tainted 6.10.0-rc1-syzkaller-00104-gd8ec19857b09 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:jfs_flush_journal+0xeba/0xec0 fs/jfs/jfs_logmgr.c:1588 Code: e8 eb 77 57 08 e8 66 07 70 fe 48 c7 c7 40 9d 02 8c 48 c7 c6 40 98 02 8c ba 34 06 00 00 48 c7 c1 80 9d 02 8c e8 c7 7a 54 08 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004757b20 EFLAGS: 00010246 RAX: 0000000000000040 RBX: ffff88802538e1a8 RCX: b07b599e2cc86b00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004757c50 R08: ffffffff8176803c R09: fffffbfff1c3998c R10: dffffc0000000000 R11: fffffbfff1c3998c R12: 1ffff920008eaf70 R13: dffffc0000000000 R14: ffff88802538e000 R15: ffff88802538e000 FS: 000055557b2d6480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555562804978 CR3: 000000007e4b2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_umount+0x170/0x3a0 fs/jfs/jfs_umount.c:58 jfs_put_super+0x8a/0x190 fs/jfs/super.c:194 generic_shutdown_super+0x136/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1676 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_sys --- 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