divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5022 Comm: syz.0.15 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:flush_journal_list+0x1053/0x1c80 fs/reiserfs/journal.c:1589
Code: c0 0f 85 eb 0a 00 00 4f 8d 7c 3e 02 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 4d 89 e6 0f 85 ee 0a 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 43 0f b6 44 35 00 84 c0 0f 85 f2 0a 00 00 48 8b
RSP: 0018:ffffc90002f9f318 EFLAGS: 00010246
RAX: 000000000000000a RBX: ffff88806988e014 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88806988e017 R08: ffffffff821341c9 R09: ffffed100e9c75a3
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100f99ea97 R14: dffffc0000000000 R15: 000000000000000a
FS:  00007f018c4f76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020233000 CR3: 000000005d52f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_used_journal_lists+0x1254/0x15d0 fs/reiserfs/journal.c:1826
 do_journal_end+0x391a/0x4650
 do_journal_begin_r+0x950/0x1000
 journal_begin+0x148/0x350 fs/reiserfs/journal.c:3253
 reiserfs_fill_super+0x1812/0x2690 fs/reiserfs/super.c:2108
 mount_bdev+0x2c9/0x3f0 fs/super.c:1400
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f018d27769a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f018c4f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f018c4f6ef0 RCX: 00007f018d27769a
RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007f018c4f6eb0
RBP: 0000000020001100 R08: 00007f018c4f6ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020001140
R13: 00007f018c4f6eb0 R14: 00000000000010ef R15: 0000000020001180
 </TASK>
Modules linked in:
---[ end trace 8c0472027945f50f ]---
RIP: 0010:flush_journal_list+0x1053/0x1c80 fs/reiserfs/journal.c:1589
Code: c0 0f 85 eb 0a 00 00 4f 8d 7c 3e 02 48 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 4d 89 e6 0f 85 ee 0a 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 43 0f b6 44 35 00 84 c0 0f 85 f2 0a 00 00 48 8b
RSP: 0018:ffffc90002f9f318 EFLAGS: 00010246
RAX: 000000000000000a RBX: ffff88806988e014 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88806988e017 R08: ffffffff821341c9 R09: ffffed100e9c75a3
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100f99ea97 R14: dffffc0000000000 R15: 000000000000000a
FS:  00007f018c4f76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020233000 CR3: 000000005d52f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c0 0f 85             	rorb   $0x85,(%rdi)
   3:	eb 0a                	jmp    0xf
   5:	00 00                	add    %al,(%rax)
   7:	4f 8d 7c 3e 02       	lea    0x2(%r14,%r15,1),%r15
   c:	48 89 e8             	mov    %rbp,%rax
   f:	48 c1 e8 03          	shr    $0x3,%rax
  13:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
  18:	84 c0                	test   %al,%al
  1a:	4d 89 e6             	mov    %r12,%r14
  1d:	0f 85 ee 0a 00 00    	jne    0xb11
  23:	8b 0b                	mov    (%rbx),%ecx
  25:	4c 89 f8             	mov    %r15,%rax
  28:	31 d2                	xor    %edx,%edx
* 2a:	48 f7 f1             	div    %rcx <-- trapping instruction
  2d:	48 89 d3             	mov    %rdx,%rbx
  30:	43 0f b6 44 35 00    	movzbl 0x0(%r13,%r14,1),%eax
  36:	84 c0                	test   %al,%al
  38:	0f 85 f2 0a 00 00    	jne    0xb30
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b