BUG: unable to handle page fault for address: ffffed10181e6c0d
#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: 0 PID: 5034 Comm: syz-executor379 Not tainted 6.5.0-rc2-next-20230721-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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 3a 53 49 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:ffffc90003a8fd00 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffff8880c0f36050 RCX: fffff52000751f7e
RDX: 1ffff110181e6c0d RSI: ffffffff8ac87440 RDI: ffff8880c0f36068
RBP: ffff888074e5b0e8 R08: 0000000000000000 R09: fffffbfff1d5881a
R10: ffffc90003a8fd00 R11: ffffffff81db8f8c R12: ffff88802004e800
R13: ffff88807a450000 R14: ffff888074531000 R15: ffff888015e6adc0
FS:  0000555556fb5380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10181e6c0d CR3: 0000000077645000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_put_super+0x19c/0x200 fs/udf/super.c:2322
 generic_shutdown_super+0x158/0x480 fs/super.c:499
 kill_block_super+0x64/0xb0 fs/super.c:1417
 deactivate_locked_super+0x9a/0x170 fs/super.c:330
 deactivate_super+0xde/0x100 fs/super.c:361
 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 ptrace_notify+0x10c/0x130 kernel/signal.c:2383
 ptrace_report_syscall include/linux/ptrace.h:411 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline]
 syscall_exit_work kernel/entry/common.c:252 [inline]
 syscall_exit_to_user_mode_prepare+0x120/0x220 kernel/entry/common.c:279
 __syscall_exit_to_user_mode_work kernel/entry/common.c:284 [inline]
 syscall_exit_to_user_mode+0xd/0x50 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f789b1756c7
Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe66c8eee8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f789b1756c7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe66c8efa0
RBP: 00007ffe66c8efa0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe66c90010
R13: 0000555556fb66c0 R14: 431bde82d7b634db R15: 00007ffe66c90030
 </TASK>
Modules linked in:
CR2: ffffed10181e6c0d
---[ 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 3a 53 49 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:ffffc90003a8fd00 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffff8880c0f36050 RCX: fffff52000751f7e
RDX: 1ffff110181e6c0d RSI: ffffffff8ac87440 RDI: ffff8880c0f36068
RBP: ffff888074e5b0e8 R08: 0000000000000000 R09: fffffbfff1d5881a
R10: ffffc90003a8fd00 R11: ffffffff81db8f8c R12: ffff88802004e800
R13: ffff88807a450000 R14: ffff888074531000 R15: ffff888015e6adc0
FS:  0000555556fb5380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed10181e6c0d CR3: 0000000077645000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 3a 53 49 07       	call   0x749534f
  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