divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4017 Comm: kworker/1:13 Not tainted 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: reiserfs/loop4 flush_async_commits
RIP: 0010:flush_commit_list+0xeae/0x1ec0 fs/reiserfs/journal.c:1065
Code: 00 0f 85 06 03 00 00 4c 89 e0 48 c1 e8 03 0f b6 04 30 84 c0 48 8b 9c 24 90 00 00 00 0f 85 11 03 00 00 41 8b 0f 4c 89 f0 31 d2 <48> f7 f1 49 89 d6 48 83 c3 18 48 89 d8 48 c1 e8 03 80 3c 30 00 74
RSP: 0018:ffffc90003417ac0 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff888066c32000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff8880616ad01c
RBP: ffffc90003417c28 R08: dffffc0000000000 R09: ffffed100c2d5a04
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072bc2017
R13: ffff88807bf6a018 R14: 0000000000000002 R15: ffff888072bc2014
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020078000 CR3: 0000000061364000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_async_commits+0xa0/0xc0 fs/reiserfs/journal.c:3552
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace f8c8320d4a8683d9 ]---
RIP: 0010:flush_commit_list+0xeae/0x1ec0 fs/reiserfs/journal.c:1065
Code: 00 0f 85 06 03 00 00 4c 89 e0 48 c1 e8 03 0f b6 04 30 84 c0 48 8b 9c 24 90 00 00 00 0f 85 11 03 00 00 41 8b 0f 4c 89 f0 31 d2 <48> f7 f1 49 89 d6 48 83 c3 18 48 89 d8 48 c1 e8 03 80 3c 30 00 74
RSP: 0018:ffffc90003417ac0 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff888066c32000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff8880616ad01c
RBP: ffffc90003417c28 R08: dffffc0000000000 R09: ffffed100c2d5a04
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072bc2017
R13: ffff88807bf6a018 R14: 0000000000000002 R15: ffff888072bc2014
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f06b256b000 CR3: 000000007d8ba000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 0f                	add    %cl,(%rdi)
   2:	85 06                	test   %eax,(%rsi)
   4:	03 00                	add    (%rax),%eax
   6:	00 4c 89 e0          	add    %cl,-0x20(%rcx,%rcx,4)
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	0f b6 04 30          	movzbl (%rax,%rsi,1),%eax
  12:	84 c0                	test   %al,%al
  14:	48 8b 9c 24 90 00 00 	mov    0x90(%rsp),%rbx
  1b:	00
  1c:	0f 85 11 03 00 00    	jne    0x333
  22:	41 8b 0f             	mov    (%r15),%ecx
  25:	4c 89 f0             	mov    %r14,%rax
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	49 89 d6             	mov    %rdx,%r14
  30:	48 83 c3 18          	add    $0x18,%rbx
  34:	48 89 d8             	mov    %rbx,%rax
  37:	48 c1 e8 03          	shr    $0x3,%rax
  3b:	80 3c 30 00          	cmpb   $0x0,(%rax,%rsi,1)
  3f:	74                   	.byte 0x74