divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5340 Comm: syz-executor.0 Not tainted 6.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:do_journal_end+0x1298/0x4780 fs/reiserfs/journal.c:4094
Code: 28 84 c0 0f 85 0d 2f 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 14 2f 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 30 48 8b 84 24 d8 00 00 00 42 80 3c
RSP: 0018:ffffc9000506f960 EFLAGS: 00010246
RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807bdae000
RBP: ffffc9000506fbd0 R08: ffff88807bdaefff R09: 0000000000000000
R10: ffff88807bdae000 R11: ffffed100f7b5e00 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff88806503f017 R15: ffff88806503f014
FS:  0000555556955400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc438b6f78 CR3: 0000000022bed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_sync_fs+0xce/0x150 fs/reiserfs/super.c:78
 sync_filesystem+0xec/0x220 fs/sync.c:56
 generic_shutdown_super+0x6f/0x340 fs/super.c:472
 kill_block_super+0x68/0xa0 fs/super.c:1417
 deactivate_locked_super+0xa4/0x110 fs/super.c:330
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 task_work_run+0x24a/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcbc588d7f7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 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 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc438b76b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcbc588d7f7
RDX: 00007ffc438b7789 RSI: 000000000000000a RDI: 00007ffc438b7780
RBP: 00007ffc438b7780 R08: 00000000ffffffff R09: 00007ffc438b7550
R10: 0000555556956893 R11: 0000000000000246 R12: 00007fcbc58d643b
R13: 00007ffc438b8840 R14: 0000555556956810 R15: 00007ffc438b8880
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_end+0x1298/0x4780 fs/reiserfs/journal.c:4094
Code: 28 84 c0 0f 85 0d 2f 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 14 2f 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 30 48 8b 84 24 d8 00 00 00 42 80 3c
RSP: 0018:ffffc9000506f960 EFLAGS: 00010246
RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807bdae000
RBP: ffffc9000506fbd0 R08: ffff88807bdaefff R09: 0000000000000000
R10: ffff88807bdae000 R11: ffffed100f7b5e00 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff88806503f017 R15: ffff88806503f014
FS:  0000555556955400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc438b6f78 CR3: 0000000022bed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	28 84 c0 0f 85 0d 2f 	sub    %al,0x2f0d850f(%rax,%rax,8)
   7:	00 00                	add    %al,(%rax)
   9:	4d 8d 64 1c 01       	lea    0x1(%r12,%rbx,1),%r12
   e:	4c 89 f0             	mov    %r14,%rax
  11:	48 c1 e8 03          	shr    $0x3,%rax
  15:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  1a:	84 c0                	test   %al,%al
  1c:	0f 85 14 2f 00 00    	jne    0x2f36
  22:	41 8b 0f             	mov    (%r15),%ecx
  25:	4c 89 e0             	mov    %r12,%rax
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	48 89 d3             	mov    %rdx,%rbx
  30:	48 03 5c 24 30       	add    0x30(%rsp),%rbx
  35:	48 8b 84 24 d8 00 00 	mov    0xd8(%rsp),%rax
  3c:	00
  3d:	42                   	rex.X
  3e:	80                   	.byte 0x80
  3f:	3c                   	.byte 0x3c