linux-kernel - [syzbot] [ext4?] [ocfs2?] kernel BUG in jbd2_cleanup_journal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <00000000000070a66706204e7698@google.com>
Date: Thu, 22 Aug 2024 17:00:26 -0700
From: syzbot <syzbot+8512f3dbd96253ffbe27@...kaller.appspotmail.com>
To: jack@...e.com, jlbec@...lplan.org, joseph.qi@...ux.alibaba.com, 
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, mark@...heh.com, 
	ocfs2-devel@...ts.linux.dev, syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: [syzbot] [ext4?] [ocfs2?] kernel BUG in jbd2_cleanup_journal_tail

Hello,

syzbot found the following issue on:

HEAD commit:    c3f2d783a459 Merge tag 'mm-hotfixes-stable-2024-08-17-19-3..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16ba0fcb980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7229118d88b4a71b
dashboard link: https://syzkaller.appspot.com/bug?extid=8512f3dbd96253ffbe27
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=15a1fc09980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11da5cfd980000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-c3f2d783.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/4d927f7c3cfd/vmlinux-c3f2d783.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ea54bdfad24b/bzImage-c3f2d783.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/ec5187e2b71d/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8512f3dbd96253ffbe27@...kaller.appspotmail.com

(syz-executor675,5099,0):ocfs2_check_volume:2425 ERROR: ocfs2 journal load failed! -22
(syz-executor675,5099,0):ocfs2_check_volume:2481 ERROR: status = -22
(syz-executor675,5099,0):ocfs2_mount_volume:1821 ERROR: status = -22
------------[ cut here ]------------
kernel BUG at fs/jbd2/checkpoint.c:321!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5099 Comm: syz-executor675 Not tainted 6.11.0-rc3-syzkaller-00338-gc3f2d783a459 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:jbd2_cleanup_journal_tail+0x2bf/0x2d0 fs/jbd2/checkpoint.c:321
Code: 24 40 80 e1 07 80 c1 03 38 c1 0f 8c 65 ff ff ff 48 8d 7c 24 40 e8 51 4d 8a ff e9 56 ff ff ff e8 57 1a 46 09 e8 a2 0b 23 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc90000e36d60 EFLAGS: 00010293
RAX: ffffffff82707f4e RBX: 0000000000000000 RCX: ffff88801a738000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000e36e30 R08: ffffffff82707dd7 R09: 1ffff11003709c16
R10: dffffc0000000000 R11: ffffed1003709c17 R12: 1ffff920001c6db0
R13: ffff88801b84e000 R14: 1ffff920001c6db6 R15: 1ffff11003709c00
FS:  000055555d18e380(0000) GS:ffff888020800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f251d195ed8 CR3: 000000001bee4000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jbd2_journal_flush+0x290/0xc10 fs/jbd2/journal.c:2479
 ocfs2_journal_shutdown+0x443/0xbe0 fs/ocfs2/journal.c:1081
 ocfs2_mount_volume+0x169f/0x1940 fs/ocfs2/super.c:1842
 ocfs2_fill_super+0x483b/0x5880 fs/ocfs2/super.c:1084
 mount_bdev+0x20a/0x2d0 fs/super.c:1679
 legacy_get_tree+0xee/0x190 fs/fs_context.c:662
 vfs_get_tree+0x90/0x2a0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f15c3ba9dea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc0f1577b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc0f1577d0 RCX: 00007f15c3ba9dea
RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffc0f1577d0
RBP: 0000000000000004 R08: 00007ffc0f157810 R09: 0000000000004424
R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0
R13: 00007ffc0f157810 R14: 0000000000000003 R15: 0000000001000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jbd2_cleanup_journal_tail+0x2bf/0x2d0 fs/jbd2/checkpoint.c:321
Code: 24 40 80 e1 07 80 c1 03 38 c1 0f 8c 65 ff ff ff 48 8d 7c 24 40 e8 51 4d 8a ff e9 56 ff ff ff e8 57 1a 46 09 e8 a2 0b 23 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc90000e36d60 EFLAGS: 00010293
RAX: ffffffff82707f4e RBX: 0000000000000000 RCX: ffff88801a738000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000e36e30 R08: ffffffff82707dd7 R09: 1ffff11003709c16
R10: dffffc0000000000 R11: ffffed1003709c17 R12: 1ffff920001c6db0
R13: ffff88801b84e000 R14: 1ffff920001c6db6 R15: 1ffff11003709c00
FS:  000055555d18e380(0000) GS:ffff888020800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f251d195ed8 CR3: 000000001bee4000 CR4: 0000000000350ef0
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@...glegroups.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 syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

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