BUG: unable to handle page fault for address: ffffed101fb4360c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffee067 P4D 23ffee067 PUD 13fff6067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6304 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:udf_close_lvid+0x152/0x9b0 fs/udf/super.c:2099
Code: 0f 84 f2 00 00 00 4c 89 6c 24 48 49 8d be c0 00 00 00 48 89 7c 24 40 31 f6 e8 aa ae 12 08 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 23 05 00 00 4c 89 74 24 28 41 c6 44 24
RSP: 0018:ffffc90003477bc0 EFLAGS: 00010a06
RAX: 1ffff1101fb4360c RBX: ffff888064a3464b RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8bc08fc0 RDI: ffff8880fda1b060
RBP: ffffc90003477cb8 R08: ffffffff8f7d8377 R09: 1ffffffff1efb06e
R10: dffffc0000000000 R11: fffffbfff1efb06f R12: ffff8880fda1b048
R13: 1ffff9200068ef84 R14: ffff888029356c00 R15: dffffc0000000000
FS:  0000555580dcb500(0000) GS:ffff8881260d3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101fb4360c CR3: 000000007ebc6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_put_super+0xcc/0x160 fs/udf/super.c:2375
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1722
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x437/0x4d0 fs/namespace.c:1318
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x22c/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fd92b79c157
Code: a2 c7 05 3c 84 23 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc193925b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fd92b82f33b RCX: 00007fd92b79c157
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc19392670
RBP: 00007ffc19392670 R08: 00007ffc19393670 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc19393700
R13: 00007fd92b82f33b R14: 000000000001e3df R15: 00007ffc19393740
 </TASK>
Modules linked in:
CR2: ffffed101fb4360c
---[ end trace 0000000000000000 ]---
RIP: 0010:udf_close_lvid+0x152/0x9b0 fs/udf/super.c:2099
Code: 0f 84 f2 00 00 00 4c 89 6c 24 48 49 8d be c0 00 00 00 48 89 7c 24 40 31 f6 e8 aa ae 12 08 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 23 05 00 00 4c 89 74 24 28 41 c6 44 24
RSP: 0018:ffffc90003477bc0 EFLAGS: 00010a06
RAX: 1ffff1101fb4360c RBX: ffff888064a3464b RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8bc08fc0 RDI: ffff8880fda1b060
RBP: ffffc90003477cb8 R08: ffffffff8f7d8377 R09: 1ffffffff1efb06e
R10: dffffc0000000000 R11: fffffbfff1efb06f R12: ffff8880fda1b048
R13: 1ffff9200068ef84 R14: ffff888029356c00 R15: dffffc0000000000
FS:  0000555580dcb500(0000) GS:ffff8881260d3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101fb4360c CR3: 000000007ebc6000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0f 84 f2 00 00 00    	je     0xf8
   6:	4c 89 6c 24 48       	mov    %r13,0x48(%rsp)
   b:	49 8d be c0 00 00 00 	lea    0xc0(%r14),%rdi
  12:	48 89 7c 24 40       	mov    %rdi,0x40(%rsp)
  17:	31 f6                	xor    %esi,%esi
  19:	e8 aa ae 12 08       	call   0x812aec8
  1e:	49 8d 7c 24 18       	lea    0x18(%r12),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 23 05 00 00    	jne    0x55a
  37:	4c 89 74 24 28       	mov    %r14,0x28(%rsp)
  3c:	41                   	rex.B
  3d:	c6                   	.byte 0xc6
  3e:	44                   	rex.R
  3f:	24                   	.byte 0x24