BUG: unable to handle page fault for address: 0000000067b2f86d
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 UID: 0 PID: 1424 Comm: udevd Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:kernfs_root fs/kernfs/kernfs-internal.h:70 [inline]
RIP: 0010:kernfs_dop_revalidate+0x2e/0x150 fs/kernfs/dir.c:1158
Code: 55 41 57 41 56 41 54 53 bd f6 ff ff ff 40 f6 c6 40 0f 85 f1 00 00 00 49 89 fe 48 8b 47 68 48 85 c0 74 71 48 8b 98 68 04 00 00 <48> 8b 43 30 48 85 c0 48 0f 44 c3 41 bf d8 00 00 00 4c 03 78 78 4c
RSP: 0018:ffffc90000ee7cc8 EFLAGS: 00010282
RAX: ffff88817b519658 RBX: 0000000067b2f83d RCX: ffff888109a89bc0
RDX: ffff8881043d1041 RSI: 0000000000004000 RDI: ffff88817b466138
RBP: 00000000fffffff6 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90000ee7d88 R11: ffffffff81594d80 R12: 0000000000000000
R13: ffff888109a89bc0 R14: ffff88817b466138 R15: ffffc90000ee7d78
FS:  00007f3ea4199c80(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000067b2f86d CR3: 00000001023ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lookup_fast+0x3f/0x100
 walk_component+0x21/0xf0 fs/namei.c:2108
 lookup_last fs/namei.c:2610 [inline]
 path_lookupat+0x45/0x100 fs/namei.c:2634
 filename_lookup+0xdf/0x200 fs/namei.c:2663
 do_readlinkat+0x6f/0x150 fs/stat.c:562
 __do_sys_readlink fs/stat.c:599 [inline]
 __se_sys_readlink fs/stat.c:596 [inline]
 __x64_sys_readlink+0x19/0x20 fs/stat.c:596
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xa0/0x1b0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ea3d17d47
Code: 73 01 c3 48 8b 0d e1 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 90 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007fff3553d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007fff3553d7e8 RCX: 00007f3ea3d17d47
RDX: 0000000000000400 RSI: 00007fff3553d7e8 RDI: 00007fff3553dcc8
RBP: 0000000000000400 R08: 00005556a35cc6e4 R09: 0000000000000000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fff3553dcc8
R13: 00007fff3553dc38 R14: 00005556a35ab910 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: 0000000067b2f86d
---[ end trace 0000000000000000 ]---
RIP: 0010:kernfs_root fs/kernfs/kernfs-internal.h:70 [inline]
RIP: 0010:kernfs_dop_revalidate+0x2e/0x150 fs/kernfs/dir.c:1158
Code: 55 41 57 41 56 41 54 53 bd f6 ff ff ff 40 f6 c6 40 0f 85 f1 00 00 00 49 89 fe 48 8b 47 68 48 85 c0 74 71 48 8b 98 68 04 00 00 <48> 8b 43 30 48 85 c0 48 0f 44 c3 41 bf d8 00 00 00 4c 03 78 78 4c
RSP: 0018:ffffc90000ee7cc8 EFLAGS: 00010282
RAX: ffff88817b519658 RBX: 0000000067b2f83d RCX: ffff888109a89bc0
RDX: ffff8881043d1041 RSI: 0000000000004000 RDI: ffff88817b466138
RBP: 00000000fffffff6 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90000ee7d88 R11: ffffffff81594d80 R12: 0000000000000000
R13: ffff888109a89bc0 R14: ffff88817b466138 R15: ffffc90000ee7d78
FS:  00007f3ea4199c80(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000067b2f86d CR3: 00000001023ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	55                   	push   %rbp
   1:	41 57                	push   %r15
   3:	41 56                	push   %r14
   5:	41 54                	push   %r12
   7:	53                   	push   %rbx
   8:	bd f6 ff ff ff       	mov    $0xfffffff6,%ebp
   d:	40 f6 c6 40          	test   $0x40,%sil
  11:	0f 85 f1 00 00 00    	jne    0x108
  17:	49 89 fe             	mov    %rdi,%r14
  1a:	48 8b 47 68          	mov    0x68(%rdi),%rax
  1e:	48 85 c0             	test   %rax,%rax
  21:	74 71                	je     0x94
  23:	48 8b 98 68 04 00 00 	mov    0x468(%rax),%rbx
* 2a:	48 8b 43 30          	mov    0x30(%rbx),%rax <-- trapping instruction
  2e:	48 85 c0             	test   %rax,%rax
  31:	48 0f 44 c3          	cmove  %rbx,%rax
  35:	41 bf d8 00 00 00    	mov    $0xd8,%r15d
  3b:	4c 03 78 78          	add    0x78(%rax),%r15
  3f:	4c                   	rex.WR