BUG: unable to handle page fault for address: ffffed10182c0437
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffee067 P4D 23ffee067 PUD 13fff5067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13478 Comm: syz-executor.2 Not tainted 6.6.0-syzkaller-11227-g431f1051884e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:udf_close_lvid+0x13b/0x5c0 fs/udf/super.c:2035
Code: 84 24 c0 00 00 00 31 f6 48 89 c7 48 89 44 24 08 e8 ba c7 8c 07 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b2 03 00 00
RSP: 0018:ffffc9000c6dfa18 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff8880c16021a0 RCX: fffff520018dbf22
RDX: 1ffff110182c0437 RSI: ffffffff8b2e6fe0 RDI: ffff8880c16021b8
RBP: ffff88803bc739f8 R08: 0000000000000000 R09: fffffbfff1e30d1a
R10: ffffc9000c6dfa18 R11: ffffffff81dee5e5 R12: ffff888017b2ac00
R13: ffff888035770000 R14: ffff8880588a8000 R15: ffff888028efb3c0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10182c0437 CR3: 00000000859d6000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_put_super+0x19c/0x200 fs/udf/super.c:2322
 generic_shutdown_super+0x161/0x3c0 fs/super.c:693
 kill_block_super+0x3b/0x90 fs/super.c:1664
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 cleanup_mnt+0x222/0x450 fs/namespace.c:1256
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2a20 kernel/exit.c:876
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1026
 get_signal+0x23ba/0x2790 kernel/signal.c:2900
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:88
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f5609ea7ef5
Code: Unable to access opcode bytes at 0x7f5609ea7ecb.
RSP: 002b:00007f560ac36010 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f5609f9bf80 RCX: 00007f5609ea7ef5
RDX: 00007f560ac36050 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f5609ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5609f9bf80 R15: 00007ffd54a2f408
 </TASK>
Modules linked in:
CR2: ffffed10182c0437
---[ end trace 0000000000000000 ]---
RIP: 0010:udf_close_lvid+0x13b/0x5c0 fs/udf/super.c:2035
Code: 84 24 c0 00 00 00 31 f6 48 89 c7 48 89 44 24 08 e8 ba c7 8c 07 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b2 03 00 00
RSP: 0018:ffffc9000c6dfa18 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff8880c16021a0 RCX: fffff520018dbf22
RDX: 1ffff110182c0437 RSI: ffffffff8b2e6fe0 RDI: ffff8880c16021b8
RBP: ffff88803bc739f8 R08: 0000000000000000 R09: fffffbfff1e30d1a
R10: ffffc9000c6dfa18 R11: ffffffff81dee5e5 R12: ffff888017b2ac00
R13: ffff888035770000 R14: ffff8880588a8000 R15: ffff888028efb3c0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10182c0437 CR3: 00000000859d6000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	84 24 c0             	test   %ah,(%rax,%rax,8)
   3:	00 00                	add    %al,(%rax)
   5:	00 31                	add    %dh,(%rcx)
   7:	f6 48 89 c7          	testb  $0xc7,-0x77(%rax)
   b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  10:	e8 ba c7 8c 07       	call   0x78cc7cf
  15:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	48 89 fa             	mov    %rdi,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	38 d0                	cmp    %dl,%al
  36:	7f 08                	jg     0x40
  38:	84 c0                	test   %al,%al
  3a:	0f 85 b2 03 00 00    	jne    0x3f2