REISERFS warning: reiserfs-5090 is_tree_node: node level 0 does not match to the expected one -1
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 0. Fsck?
REISERFS (device loop0): Remounting filesystem read-only
divide error: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 2493 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:do_journal_end+0x4c2/0xe60 fs/reiserfs/journal.c:4089
Code: 8b 57 28 48 89 4c 02 f4 8b 43 30 31 d2 41 89 06 49 8b 8d 60 06 00 00 48 8b 43 48 48 03 43 40 48 8b 79 08 48 83 c0 01 8b 77 14 <48> f7 f6 8b 77 0c 48 8b 41 18 b9 08 00 00 00 48 01 d6 41 8b 55 18
RSP: 0018:ffffc900027a7cc8 EFLAGS: 00010206
RAX: 0000000000000003 RBX: ffffc900032d1000 RCX: ffff88810ac0f000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888110ebf000
RBP: ffff88810e7f1bc0 R08: 0000000000000000 R09: ffff888109a9d000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888112b1d000
R13: ffff888112b1d000 R14: ffff888109a9d000 R15: ffff888108450498
FS:  0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f895cea1710 CR3: 0000000003021000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_journal_release fs/reiserfs/journal.c:1937 [inline]
 journal_release+0x192/0x1b0 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0x55/0x180 fs/reiserfs/super.c:616
 generic_shutdown_super+0x67/0x100 fs/super.c:475
 kill_block_super+0x1c/0x40 fs/super.c:1425
 deactivate_locked_super+0x27/0x90 fs/super.c:335
 cleanup_mnt+0x10b/0x150 fs/namespace.c:1143
 task_work_run+0x54/0x80 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x38b/0xb10 kernel/exit.c:874
 do_group_exit+0x34/0xb0 kernel/exit.c:996
 __do_sys_exit_group kernel/exit.c:1007 [inline]
 __se_sys_exit_group kernel/exit.c:1005 [inline]
 __x64_sys_exit_group+0xf/0x10 kernel/exit.c:1005
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x33/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f895c1deb59
Code: Unable to access opcode bytes at RIP 0x7f895c1deb2f.
RSP: 002b:00007ffe4509eed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f895c24c4be RCX: 00007f895c1deb59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007ffe4509cc76 R09: 00007ffe450a0190
R10: 000000000000000a R11: 0000000000000246 R12: 00007ffe450a0190
R13: 00007f895c24c44c R14: 000055556ac694a8 R15: 000000000000ccb0
 </TASK>
Modules linked in:
---[ end trace 19a72a73dfe63bd6 ]---
RIP: 0010:do_journal_end+0x4c2/0xe60 fs/reiserfs/journal.c:4089
Code: 8b 57 28 48 89 4c 02 f4 8b 43 30 31 d2 41 89 06 49 8b 8d 60 06 00 00 48 8b 43 48 48 03 43 40 48 8b 79 08 48 83 c0 01 8b 77 14 <48> f7 f6 8b 77 0c 48 8b 41 18 b9 08 00 00 00 48 01 d6 41 8b 55 18
RSP: 0018:ffffc900027a7cc8 EFLAGS: 00010206
RAX: 0000000000000003 RBX: ffffc900032d1000 RCX: ffff88810ac0f000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888110ebf000
RBP: ffff88810e7f1bc0 R08: 0000000000000000 R09: ffff888109a9d000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888112b1d000
R13: ffff888112b1d000 R14: ffff888109a9d000 R15: ffff888108450498
FS:  0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f895c1c1d60 CR3: 00000001089a4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8b 57 28             	mov    0x28(%rdi),%edx
   3:	48 89 4c 02 f4       	mov    %rcx,-0xc(%rdx,%rax,1)
   8:	8b 43 30             	mov    0x30(%rbx),%eax
   b:	31 d2                	xor    %edx,%edx
   d:	41 89 06             	mov    %eax,(%r14)
  10:	49 8b 8d 60 06 00 00 	mov    0x660(%r13),%rcx
  17:	48 8b 43 48          	mov    0x48(%rbx),%rax
  1b:	48 03 43 40          	add    0x40(%rbx),%rax
  1f:	48 8b 79 08          	mov    0x8(%rcx),%rdi
  23:	48 83 c0 01          	add    $0x1,%rax
  27:	8b 77 14             	mov    0x14(%rdi),%esi
* 2a:	48 f7 f6             	div    %rsi <-- trapping instruction
  2d:	8b 77 0c             	mov    0xc(%rdi),%esi
  30:	48 8b 41 18          	mov    0x18(%rcx),%rax
  34:	b9 08 00 00 00       	mov    $0x8,%ecx
  39:	48 01 d6             	add    %rdx,%rsi
  3c:	41 8b 55 18          	mov    0x18(%r13),%edx