------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1916!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5104 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:do_journal_release+0x4e2/0x4f0 fs/reiserfs/journal.c:1916
Code: b8 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 30 b8 ff e9 f9 fc ff ff e8 fe 24 67 ff <0f> 0b e8 f7 24 67 ff 0f 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 f3
RSP: 0018:ffffc900032e7b00 EFLAGS: 00010293
RAX: ffffffff821b4f92 RBX: 1ffff9200065cf64 RCX: ffff88807d620000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900032e7bf8 R08: ffffc900032e7b77 R09: ffffc900032e7b40
R10: dffffc0000000000 R11: fffff5200065cf6f R12: ffffc90004adf000
R13: dffffc0000000000 R14: ffff888076d8a678 R15: 0000000000000000
FS:  0000555588d5c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcbface008 CR3: 000000002699e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 journal_release+0x1b/0x30 fs/reiserfs/journal.c:1971
 reiserfs_put_super+0x267/0x510 fs/reiserfs/super.c:616
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb99c99da57
Code: a2 c7 05 9c fc 24 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:00007fff16190cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fb99ca32048 RCX: 00007fb99c99da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff16190db0
RBP: 00007fff16190db0 R08: 00007fff16191db0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff16191e40
R13: 00007fb99ca32048 R14: 000000000002e7d6 R15: 00007fff16191e80
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_release+0x4e2/0x4f0 fs/reiserfs/journal.c:1916
Code: b8 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 30 b8 ff e9 f9 fc ff ff e8 fe 24 67 ff <0f> 0b e8 f7 24 67 ff 0f 0b 0f 1f 44 00 00 41 57 41 56 53 48 89 f3
RSP: 0018:ffffc900032e7b00 EFLAGS: 00010293
RAX: ffffffff821b4f92 RBX: 1ffff9200065cf64 RCX: ffff88807d620000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900032e7bf8 R08: ffffc900032e7b77 R09: ffffc900032e7b40
R10: dffffc0000000000 R11: fffff5200065cf6f R12: ffffc90004adf000
R13: dffffc0000000000 R14: ffff888076d8a678 R15: 0000000000000000
FS:  0000555588d5c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d98a5b6b0 CR3: 000000002699e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400