overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support RENAME_WHITEOUT.
BUG: unable to handle page fault for address: fffffffffff815ae
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD c48f067 P4D c48f067 PUD c491067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9686 Comm: syz-executor.5 Not tainted 6.2.0-rc8-syzkaller-00021-ge1c04510f521 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:ovl_create_over_whiteout fs/overlayfs/dir.c:494 [inline]
RIP: 0010:ovl_create_or_link+0x112b/0x1780 fs/overlayfs/dir.c:613
Code: 38 48 83 c0 68 48 89 44 24 58 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 84 05 00 00 48 8b 44 24 38 <48> 8b 40 68 48 89 44 24 48 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00
RSP: 0018:ffffc90014bbfbc0 EFLAGS: 00010246
RAX: fffffffffff81546 RBX: ffff888030175490 RCX: ffffc900040f1000
RDX: 1fffffffffff02b5 RSI: ffffffff82daa2fd RDI: 0000000000000003
RBP: ffff88802ec6dd60 R08: 0000000000000003 R09: 000000000000a000
R10: 0000000000004000 R11: 0000000000000001 R12: 0000000000004000
R13: 0000000000000000 R14: ffff88802c8ddbe8 R15: ffff88802ec6c468
FS:  00007fdfdee86700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffff815ae CR3: 0000000070a1d000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ovl_create_object+0x20b/0x290 fs/overlayfs/dir.c:647
 vfs_mkdir+0x48d/0x740 fs/namei.c:4036
 do_mkdirat+0x27b/0x2f0 fs/namei.c:4061
 __do_sys_mkdir fs/namei.c:4081 [inline]
 __se_sys_mkdir fs/namei.c:4079 [inline]
 __x64_sys_mkdir+0xf6/0x140 fs/namei.c:4079
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdfde08c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdfdee86168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fdfde1abf80 RCX: 00007fdfde08c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007fdfde0e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe31118dff R14: 00007fdfdee86300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: fffffffffff815ae
---[ end trace 0000000000000000 ]---
RIP: 0010:ovl_create_over_whiteout fs/overlayfs/dir.c:494 [inline]
RIP: 0010:ovl_create_or_link+0x112b/0x1780 fs/overlayfs/dir.c:613
Code: 38 48 83 c0 68 48 89 44 24 58 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 84 05 00 00 48 8b 44 24 38 <48> 8b 40 68 48 89 44 24 48 48 c1 e8 03 48 89 c2 48 b8 00 00 00 00
RSP: 0018:ffffc90014bbfbc0 EFLAGS: 00010246
RAX: fffffffffff81546 RBX: ffff888030175490 RCX: ffffc900040f1000
RDX: 1fffffffffff02b5 RSI: ffffffff82daa2fd RDI: 0000000000000003
RBP: ffff88802ec6dd60 R08: 0000000000000003 R09: 000000000000a000
R10: 0000000000004000 R11: 0000000000000001 R12: 0000000000004000
R13: 0000000000000000 R14: ffff88802c8ddbe8 R15: ffff88802ec6c468
FS:  00007fdfdee86700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffff815ae CR3: 0000000070a1d000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	38 48 83             	cmp    %cl,-0x7d(%rax)
   3:	c0 68 48 89          	shrb   $0x89,0x48(%rax)
   7:	44 24 58             	rex.R and $0x58,%al
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	48 89 c2             	mov    %rax,%rdx
  11:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  18:	fc ff df
  1b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1f:	0f 85 84 05 00 00    	jne    0x5a9
  25:	48 8b 44 24 38       	mov    0x38(%rsp),%rax
* 2a:	48 8b 40 68          	mov    0x68(%rax),%rax <-- trapping instruction
  2e:	48 89 44 24 48       	mov    %rax,0x48(%rsp)
  33:	48 c1 e8 03          	shr    $0x3,%rax
  37:	48 89 c2             	mov    %rax,%rdx
  3a:	48                   	rex.W
  3b:	b8 00 00 00 00       	mov    $0x0,%eax