Oops: divide error: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5604 Comm: syz-executor414 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004c5fa78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff888027148000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008d0b225 R12: ffff88801242b028
R13: dffffc0000000000 R14: ffff888035b14000 R15: dffffc0000000000
FS:  00005555609fd400(0000) GS:ffff888124ab9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000003d24c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 qnx6_fill_super+0x174/0x1380 fs/qnx6/inode.c:318
 get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1872
 vfs_get_tree+0x92/0x2a0 fs/super.c:1932
 fc_mount fs/namespace.c:1282 [inline]
 do_new_mount_fc fs/namespace.c:3898 [inline]
 do_new_mount+0x325/0xb00 fs/namespace.c:3974
 do_mount fs/namespace.c:4338 [inline]
 __do_sys_mount fs/namespace.c:4556 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4533
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f271ea27509
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc40ee8868 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f271ea27509
RDX: 0000200000000100 RSI: 0000200000000080 RDI: 0000200000000040
RBP: 0000000000000001 R08: 00002000000000c0 R09: 0000000000000006
R10: 0000000000008000 R11: 0000000000000246 R12: 00007ffc40ee89d8
R13: 431bde82d7b634db R14: 00007f271eabac40 R15: 0000000000000002
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qnx6_mmi_fill_super+0x228/0x870 fs/qnx6/super_mmi.c:68
Code: 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 4d 89 ef 0f 85 93 05 00 00 85 db 41 8b 04 24 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 <f7> f6 41 89 c4 4c 89 f7 e8 bb ed 5c 01 89 c3 31 ff 89 c6 e8 10 7f
RSP: 0018:ffffc90004c5fa78 EFLAGS: 00010246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff888027148000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008d0b225 R12: ffff88801242b028
R13: dffffc0000000000 R14: ffff888035b14000 R15: dffffc0000000000
FS:  00005555609fd400(0000) GS:ffff8881249b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005563c0c0c000 CR3: 000000003d24c000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	89 e0                	mov    %esp,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   b:	84 c0                	test   %al,%al
   d:	4d 89 ef             	mov    %r13,%r15
  10:	0f 85 93 05 00 00    	jne    0x5a9
  16:	85 db                	test   %ebx,%ebx
  18:	41 8b 04 24          	mov    (%r12),%eax
  1c:	89 c6                	mov    %eax,%esi
  1e:	0f ce                	bswap  %esi
  20:	0f 44 f0             	cmove  %eax,%esi
  23:	b8 00 10 00 00       	mov    $0x1000,%eax
  28:	31 d2                	xor    %edx,%edx
* 2a:	f7 f6                	div    %esi <-- trapping instruction
  2c:	41 89 c4             	mov    %eax,%r12d
  2f:	4c 89 f7             	mov    %r14,%rdi
  32:	e8 bb ed 5c 01       	call   0x15cedf2
  37:	89 c3                	mov    %eax,%ebx
  39:	31 ff                	xor    %edi,%edi
  3b:	89 c6                	mov    %eax,%esi
  3d:	e8                   	.byte 0xe8
  3e:	10                   	.byte 0x10
  3f:	7f                   	.byte 0x7f