BUG: unable to handle page fault for address: ffffed102c7b05d7
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffcd067 P4D 7ffcd067 
PUD 3fff5067 PMD 0 

Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 2 PID: 6998 Comm: syz-executor.2 Not tainted 6.6.0-rc2-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
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 2a 01 4f 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:ffffc90023c7f9f8 EFLAGS: 00010a06

RAX: dffffc0000000000 RBX: ffff888163d82ea0 RCX: fffff5200478ff1e
RDX: 1ffff1102c7b05d7 RSI: ffffffff8ae92a60 RDI: ffff888163d82eb8
RBP: ffff88802816e828 R08: 0000000000000000 R09: fffffbfff1d9c72a
R10: ffffc90023c7f9f8 R11: dffffc0000000000 R12: ffff88806483f000
R13: ffff888066a06000 R14: ffff888067b23600 R15: ffff8880630267c0
FS:  0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffed102c7b05d7 CR3: 000000000c976000 CR4: 0000000000350ee0
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+0x161/0x3c0 fs/super.c:693
 kill_block_super+0x3b/0x70 fs/super.c:1646
 deactivate_locked_super+0x9a/0x170 fs/super.c:481
 deactivate_super+0xde/0x100 fs/super.c:514
 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+0xa92/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x23ba/0x2790 kernel/signal.c:2892
 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_fast_syscall_32+0x6d/0xe0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7ff5579
Code: Unable to access opcode bytes at 0xf7ff554f.
RSP: 002b:00000000f7ff04b0 EFLAGS: 00000293 ORIG_RAX: 000000000000010b
RAX: fffffffffffffdfc RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000f7ff04e4 RSI: 00000000f7ff04dc RDI: 00000000f7ff04e4
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffed102c7b05d7
---[ 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 2a 01 4f 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:ffffc90023c7f9f8 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff888163d82ea0 RCX: fffff5200478ff1e
RDX: 1ffff1102c7b05d7 RSI: ffffffff8ae92a60 RDI: ffff888163d82eb8
RBP: ffff88802816e828 R08: 0000000000000000 R09: fffffbfff1d9c72a
R10: ffffc90023c7f9f8 R11: dffffc0000000000 R12: ffff88806483f000
R13: ffff888066a06000 R14: ffff888067b23600 R15: ffff8880630267c0
FS:  0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffed102c7b05d7 CR3: 000000000c976000 CR4: 0000000000350ee0
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 2a 01 4f 07       	call   0x74f013f
  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