------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1913!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4191 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:do_journal_release+0x4e2/0x4f0 fs/reiserfs/journal.c:1913
Code: bd ff e9 a8 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 06 fd ff ff 4c 89 ff e8 18 84 bd ff e9 f9 fc ff ff e8 4e 65 78 ff <0f> 0b e8 47 65 78 ff 0f 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 f3
RSP: 0018:ffffc90002edfb80 EFLAGS: 00010293
RAX: ffffffff8200cf42 RBX: 1ffff920005dbf74 RCX: ffff888079798000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002edfc78 R08: ffffc90002edfbf7 R09: ffffc90002edfbc0
R10: dffffc0000000000 R11: fffff520005dbf7f R12: ffffc90003311000
R13: dffffc0000000000 R14: ffff888057c60678 R15: 0000000000000000
FS:  0000555589728500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd52ef9a08 CR3: 0000000063453000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 journal_release+0x1b/0x30 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0x267/0x510 fs/reiserfs/super.c:616
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb332430097
Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc3675e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fb3324c41ca RCX: 00007fb332430097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc3675e0f0
RBP: 00007ffc3675e0f0 R08: 00007ffc3675f0f0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3675f180
R13: 00007fb3324c41ca R14: 000000000004e0be R15: 00007ffc3675f1c0
 </TASK>
Modules linked in:
---[ end trace 447cb727992f1f43 ]---
RIP: 0010:do_journal_release+0x4e2/0x4f0 fs/reiserfs/journal.c:1913
Code: bd ff e9 a8 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 06 fd ff ff 4c 89 ff e8 18 84 bd ff e9 f9 fc ff ff e8 4e 65 78 ff <0f> 0b e8 47 65 78 ff 0f 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 f3
RSP: 0018:ffffc90002edfb80 EFLAGS: 00010293
RAX: ffffffff8200cf42 RBX: 1ffff920005dbf74 RCX: ffff888079798000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002edfc78 R08: ffffc90002edfbf7 R09: ffffc90002edfbc0
R10: dffffc0000000000 R11: fffff520005dbf7f R12: ffffc90003311000
R13: dffffc0000000000 R14: ffff888057c60678 R15: 0000000000000000
FS:  0000555589728500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4d9ade40 CR3: 0000000063453000 CR4: 00000000003506f0