divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6062 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller-00047-gafead42fdfca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:do_journal_end+0x167d/0x4af0 fs/reiserfs/journal.c:4089
Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9001944fbb8 EFLAGS: 00010246
RAX: 0000000000000003 RBX: ffff8880a538c000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888078703018
RBP: ffff888078703000 R08: 0000000000000001 R09: 424c724573496552
R10: ffff88807c9f0000 R11: 0000000000000004 R12: 0000000000001000
R13: 0000000000000000 R14: ffffc9001944fda8 R15: ffff8880877d4740
FS:  00007f6a03396700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a027a8000 CR3: 000000008c8a2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_sync_fs+0xfc/0x130 fs/reiserfs/super.c:78
 sync_fs_one_sb fs/sync.c:84 [inline]
 sync_fs_one_sb+0x10b/0x150 fs/sync.c:80
 iterate_supers+0x140/0x2a0 fs/super.c:745
 ksys_sync+0x9b/0x150 fs/sync.c:103
 __do_sys_sync+0xe/0x20 fs/sync.c:113
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6a0268c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f6a03396168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f6a027abf80 RCX: 00007f6a0268c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6a026e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9b67b11f R14: 00007f6a03396300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_journal_end+0x167d/0x4af0 fs/reiserfs/journal.c:4089
Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9001944fbb8 EFLAGS: 00010246
RAX: 0000000000000003 RBX: ffff8880a538c000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888078703018
RBP: ffff888078703000 R08: 0000000000000001 R09: 424c724573496552
R10: ffff88807c9f0000 R11: 0000000000000004 R12: 0000000000001000
R13: 0000000000000000 R14: ffffc9001944fda8 R15: ffff8880877d4740
FS:  00007f6a03396700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a027a8000 CR3: 000000008c8a2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c6 41 84 f0          	movb   $0xf0,-0x7c(%rcx)
   4:	0f 85 16 2b 00 00    	jne    0x2b20
   a:	83 e2 07             	and    $0x7,%edx
   d:	38 d1                	cmp    %dl,%cl
   f:	40 0f 9e c6          	setle  %sil
  13:	84 c9                	test   %cl,%cl
  15:	0f 95 c2             	setne  %dl
  18:	40 84 d6             	test   %dl,%sil
  1b:	0f 85 ff 2a 00 00    	jne    0x2b20
  21:	8b 4b 14             	mov    0x14(%rbx),%ecx
  24:	48 8d 7d 18          	lea    0x18(%rbp),%rdi
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	4a 8d 34 2a          	lea    (%rdx,%r13,1),%rsi
  31:	48 89 fa             	mov    %rdi,%rdx
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1