divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6768 Comm: syz.0.90 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ufs_iget+0x36b/0x2610 fs/ufs/inode.c:678
Code: 48 81 c6 68 01 00 00 48 89 f1 48 c1 e9 03 48 89 4c 24 48 42 0f b6 0c 01 84 c9 4d 89 c6 48 89 74 24 20 0f 85 08 19 00 00 31 d2 <f7> 36 41 89 c7 48 03 5c 24 40 48 01 fb 48 8b 04 24 48 8d b8 60 01
RSP: 0018:ffffc900045bfa50 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88805c716168 RDI: 000000000000000b
RBP: ffff88807de24630 R08: dffffc0000000000 R09: 1ffffffff19c28e0
R10: dffffc0000000000 R11: fffffbfff19c28e1 R12: ffff88805a6701a8
R13: 1ffff1100fbc48c6 R14: dffffc0000000000 R15: ffff88805c716080
FS:  00007f4c38f5a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005000 CR3: 000000006257e000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ufs_fill_super+0x4878/0x68c0 fs/ufs/super.c:1271
 mount_bdev+0x21c/0x2c0 fs/super.c:1643
 legacy_get_tree+0xea/0x180 fs/fs_context.c:662
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24a/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4c37f9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c38f5a028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4c38225fa0 RCX: 00007f4c37f9e019
RDX: 0000200000004000 RSI: 0000200000003000 RDI: 0000200000000040
RBP: 00007f4c3803500c R08: 0000200000005000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c38226038 R14: 00007f4c38225fa0 R15: 00007fff0c7c5d38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ufs_iget+0x36b/0x2610 fs/ufs/inode.c:678
Code: 48 81 c6 68 01 00 00 48 89 f1 48 c1 e9 03 48 89 4c 24 48 42 0f b6 0c 01 84 c9 4d 89 c6 48 89 74 24 20 0f 85 08 19 00 00 31 d2 <f7> 36 41 89 c7 48 03 5c 24 40 48 01 fb 48 8b 04 24 48 8d b8 60 01
RSP: 0018:ffffc900045bfa50 EFLAGS: 00010246

RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88805c716168 RDI: 000000000000000b
RBP: ffff88807de24630 R08: dffffc0000000000 R09: 1ffffffff19c28e0
R10: dffffc0000000000 R11: fffffbfff19c28e1 R12: ffff88805a6701a8
R13: 1ffff1100fbc48c6 R14: dffffc0000000000 R15: ffff88805c716080
FS:  00007f4c38f5a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f967f9eb700 CR3: 000000006257e000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
   0:	48 81 c6 68 01 00 00 	add    $0x168,%rsi
   7:	48 89 f1             	mov    %rsi,%rcx
   a:	48 c1 e9 03          	shr    $0x3,%rcx
   e:	48 89 4c 24 48       	mov    %rcx,0x48(%rsp)
  13:	42 0f b6 0c 01       	movzbl (%rcx,%r8,1),%ecx
  18:	84 c9                	test   %cl,%cl
  1a:	4d 89 c6             	mov    %r8,%r14
  1d:	48 89 74 24 20       	mov    %rsi,0x20(%rsp)
  22:	0f 85 08 19 00 00    	jne    0x1930
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 36                	divl   (%rsi) <-- trapping instruction
  2c:	41 89 c7             	mov    %eax,%r15d
  2f:	48 03 5c 24 40       	add    0x40(%rsp),%rbx
  34:	48 01 fb             	add    %rdi,%rbx
  37:	48 8b 04 24          	mov    (%rsp),%rax
  3b:	48                   	rex.W
  3c:	8d                   	.byte 0x8d
  3d:	b8                   	.byte 0xb8
  3e:	60                   	(bad)
  3f:	01                   	.byte 0x1