BUG: unable to handle page fault for address: ffffed101ff06f3f
#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: 5037 Comm: syz-executor344 Not tainted 6.5.0-rc5-next-20230809-syzkaller #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 fa 00 4c 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:ffffc9000399fc40 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff8880ff8379e0 RCX: fffff52000733f66
RDX: 1ffff1101ff06f3f RSI: ffffffff8ac8b300 RDI: ffff8880ff8379f8
RBP: ffff888075955e80 R08: 0000000000000000 R09: fffffbfff1d5a83a
R10: ffffc9000399fc40 R11: ffffffff81dd035b R12: ffff888028386c00
R13: ffff888020822000 R14: ffff888072be6000 R15: ffff888072ec73c0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101ff06f3f CR3: 0000000028815000 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+0x3b/0x70 fs/super.c:1440
 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:876
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1026
 __do_sys_exit_group kernel/exit.c:1037 [inline]
 __se_sys_exit_group kernel/exit.c:1035 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1035
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f78ea047e09
Code: Unable to access opcode bytes at 0x7f78ea047ddf.
RSP: 002b:00007ffc8a14bd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f78ea047e09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f78ea0e3390 R08: ffffffffffffffb8 R09: 00007ffc8a14be60
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78ea0e3390
R13: 0000000000000000 R14: 00007f78ea0e4100 R15: 00007f78ea0160e0
 </TASK>
Modules linked in:
CR2: ffffed101ff06f3f
---[ 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 fa 00 4c 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:ffffc9000399fc40 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff8880ff8379e0 RCX: fffff52000733f66
RDX: 1ffff1101ff06f3f RSI: ffffffff8ac8b300 RDI: ffff8880ff8379f8
RBP: ffff888075955e80 R08: 0000000000000000 R09: fffffbfff1d5a83a
R10: ffffc9000399fc40 R11: ffffffff81dd035b R12: ffff888028386c00
R13: ffff888020822000 R14: ffff888072be6000 R15: ffff888072ec73c0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101ff06f3f CR3: 0000000028815000 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 fa 00 4c 07       	call   0x74c010f
  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