BUG: unable to handle page fault for address: ffffed101bd0d529
#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: 1 PID: 10461 Comm: syz.5.721 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:le32_add_cpu include/linux/byteorder/generic.h:151 [inline]
RIP: 0010:udf_add_fid_counter+0x72/0x210 fs/udf/namei.c:-1
Code: 00 74 08 48 89 df e8 3d 23 e6 fe bf c0 00 00 00 48 03 3b 31 f6 e8 3e 36 79 07 41 0f b6 c6 4d 8d 74 87 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 0a 01 00 00 41 01 2e 43 80 7c 25 00 00
RSP: 0018:ffffc90004257768 EFLAGS: 00010a02
RAX: 1ffff1101bd0d529 RBX: ffff88807984e630 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8afc6f60 RDI: 00000000ffffffff
RBP: 00000000ffffffff R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: dffffc0000000000
R13: 1ffff1100f309cc6 R14: ffff8880de86a948 R15: ffff8880de86a928
FS:  00007f6e43a046c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101bd0d529 CR3: 000000001f3d3000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 udf_rename+0x941/0xcc0 fs/udf/namei.c:883
 vfs_rename+0xb96/0xec0 fs/namei.c:4880
 do_renameat2+0x8a1/0xc70 fs/namei.c:5033
 __do_sys_rename fs/namei.c:5079 [inline]
 __se_sys_rename fs/namei.c:5077 [inline]
 __x64_sys_rename+0x86/0x90 fs/namei.c:5077
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6e42b8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e43a04038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f6e42de6090 RCX: 00007f6e42b8f749
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000200000000040
RBP: 00007f6e42c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6e42de6128 R14: 00007f6e42de6090 R15: 00007ffe6352b0b8
 </TASK>
Modules linked in:
CR2: ffffed101bd0d529
---[ end trace 0000000000000000 ]---
RIP: 0010:le32_add_cpu include/linux/byteorder/generic.h:151 [inline]
RIP: 0010:udf_add_fid_counter+0x72/0x210 fs/udf/namei.c:-1
Code: 00 74 08 48 89 df e8 3d 23 e6 fe bf c0 00 00 00 48 03 3b 31 f6 e8 3e 36 79 07 41 0f b6 c6 4d 8d 74 87 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 0a 01 00 00 41 01 2e 43 80 7c 25 00 00
RSP: 0018:ffffc90004257768 EFLAGS: 00010a02
RAX: 1ffff1101bd0d529 RBX: ffff88807984e630 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8afc6f60 RDI: 00000000ffffffff
RBP: 00000000ffffffff R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: dffffc0000000000
R13: 1ffff1100f309cc6 R14: ffff8880de86a948 R15: ffff8880de86a928
FS:  00007f6e43a046c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101bd0d529 CR3: 000000001f3d3000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
   0:	00 74 08 48          	add    %dh,0x48(%rax,%rcx,1)
   4:	89 df                	mov    %ebx,%edi
   6:	e8 3d 23 e6 fe       	call   0xfee62348
   b:	bf c0 00 00 00       	mov    $0xc0,%edi
  10:	48 03 3b             	add    (%rbx),%rdi
  13:	31 f6                	xor    %esi,%esi
  15:	e8 3e 36 79 07       	call   0x7793658
  1a:	41 0f b6 c6          	movzbl %r14b,%eax
  1e:	4d 8d 74 87 20       	lea    0x20(%r15,%rax,4),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 0a 01 00 00    	jne    0x141
  37:	41 01 2e             	add    %ebp,(%r14)
  3a:	43 80 7c 25 00 00    	cmpb   $0x0,0x0(%r13,%r12,1)