divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5622 Comm: kworker/0:13 Not tainted 6.3.0-rc3-syzkaller-00317-g65aca32efdcb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: reiserfs/loop1 flush_async_commits
RIP: 0010:flush_commit_list.isra.0+0xa2f/0x1e70 fs/reiserfs/journal.c:1051
Code: c1 45 84 ca 0f 85 7a 0f 00 00 83 e2 07 40 38 d6 41 0f 9e c1 40 84 f6 0f 95 c2 41 84 d1 0f 85 61 0f 00 00 41 8b 7c 24 14 31 d2 <48> f7 f7 48 8b 44 24 38 8d 34 11 48 c1 e8 03 80 3c 18 00 0f 85 24
RSP: 0018:ffffc9000a7e7c28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880779a0000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808a9f8000
R13: 0000000000000000 R14: 0000000000000100 R15: ffff88803fa5e000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202f5000 CR3: 0000000032888000 CR4: 0000000000350ef0
Call Trace:
<TASK>
flush_async_commits+0xa9/0xe0 fs/reiserfs/journal.c:3554
process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:flush_commit_list.isra.0+0xa2f/0x1e70 fs/reiserfs/journal.c:1051
Code: c1 45 84 ca 0f 85 7a 0f 00 00 83 e2 07 40 38 d6 41 0f 9e c1 40 84 f6 0f 95 c2 41 84 d1 0f 85 61 0f 00 00 41 8b 7c 24 14 31 d2 <48> f7 f7 48 8b 44 24 38 8d 34 11 48 c1 e8 03 80 3c 18 00 0f 85 24
RSP: 0018:ffffc9000a7e7c28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880779a0000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808a9f8000
R13: 0000000000000000 R14: 0000000000000100 R15: ffff88803fa5e000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202f5000 CR3: 000000003a462000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: c1 45 84 ca roll $0xca,-0x7c(%rbp)
4: 0f 85 7a 0f 00 00 jne 0xf84
a: 83 e2 07 and $0x7,%edx
d: 40 38 d6 cmp %dl,%sil
10: 41 0f 9e c1 setle %r9b
14: 40 84 f6 test %sil,%sil
17: 0f 95 c2 setne %dl
1a: 41 84 d1 test %dl,%r9b
1d: 0f 85 61 0f 00 00 jne 0xf84
23: 41 8b 7c 24 14 mov 0x14(%r12),%edi
28: 31 d2 xor %edx,%edx
* 2a: 48 f7 f7 div %rdi <-- trapping instruction
2d: 48 8b 44 24 38 mov 0x38(%rsp),%rax
32: 8d 34 11 lea (%rcx,%rdx,1),%esi
35: 48 c1 e8 03 shr $0x3,%rax
39: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
3d: 0f .byte 0xf
3e: 85 .byte 0x85
3f: 24 .byte 0x24