BUG: unable to handle page fault for address: ffffed101a42ecde
#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: 9347 Comm: syz-executor.4 Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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 a3 47 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:ffffc9000513fa20 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: ffff8880d21766d8 RCX: fffff52000a27f22
RDX: 1ffff1101a42ecde RSI: ffffffff8ac81180 RDI: ffff8880d21766f0
RBP: ffff888073c1bcb0 R08: 0000000000000000 R09: fffffbfff1d5745a
R10: ffffc9000513fa20 R11: 0000000000094000 R12: ffff88802b7db400
R13: ffff888037000000 R14: ffff88804c775000 R15: ffff888075f91240
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101a42ecde CR3: 0000000030170000 CR4: 0000000000350ef0
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
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa99/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x23ea/0x2770 kernel/signal.c:2881
 arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
 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:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f38b20a7ef5
Code: Unable to access opcode bytes at 0x7f38b20a7ecb.
RSP: 002b:00007f38b2dc5010 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f38b219bf80 RCX: 00007f38b20a7ef5
RDX: 00007f38b2dc5050 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f38b20c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000000b R14: 00007f38b219bf80 R15: 00007ffe66eb7b98
 </TASK>
Modules linked in:
CR2: ffffed101a42ecde
---[ 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 a3 47 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:ffffc9000513fa20 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: ffff8880d21766d8 RCX: fffff52000a27f22
RDX: 1ffff1101a42ecde RSI: ffffffff8ac81180 RDI: ffff8880d21766f0
RBP: ffff888073c1bcb0 R08: 0000000000000000 R09: fffffbfff1d5745a
R10: ffffc9000513fa20 R11: 0000000000094000 R12: ffff88802b7db400
R13: ffff888037000000 R14: ffff88804c775000 R15: ffff888075f91240
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101a42ecde CR3: 0000000030170000 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 3a a3 47 07       	call   0x747a34f
  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