overlayfs: upper fs needs to support d_type.
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support RENAME_WHITEOUT.
BUG: unable to handle page fault for address: fffffffffff8d2a5
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD d08f067 P4D d08f067 PUD d091067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12666 Comm: syz-executor.4 Not tainted 6.2.0-rc3-syzkaller-00009-g5a41237ad1d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ovl_copy_xattr+0xdb/0xab0 fs/overlayfs/copy_up.c:85
Code: 90 fe e9 52 09 00 00 49 8d 5f 68 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 95 d2 e5 fe <48> 8b 1b 48 83 c3 02 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc
RSP: 0018:ffffc90005d8f450 EFLAGS: 00010246
RAX: 1fffffffffff1a54 RBX: fffffffffff8d2a5 RCX: dffffc0000000000
RDX: ffff88807e7c8000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff88801bfd2758 R08: ffffffff82fbb229 R09: ffffed10037fa6a5
R10: ffffed10037fa6a5 R11: 1ffff110037fa6a4 R12: ffff88804e39c000
R13: 0000000000000000 R14: 1ffff92000bb1ec7 R15: fffffffffff8d23d
FS:  00007f3a0ff8e700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffff8d2a5 CR3: 000000007be70000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ovl_copy_up_metadata+0x1c1/0xb80 fs/overlayfs/copy_up.c:616
 ovl_copy_up_workdir fs/overlayfs/copy_up.c:733 [inline]
 ovl_do_copy_up fs/overlayfs/copy_up.c:879 [inline]
 ovl_copy_up_one fs/overlayfs/copy_up.c:1045 [inline]
 ovl_copy_up_flags+0x166b/0x1f10 fs/overlayfs/copy_up.c:1091
 ovl_nlink_start+0x20c/0x580 fs/overlayfs/util.c:908
 ovl_do_remove+0x218/0x800 fs/overlayfs/dir.c:903
 vfs_unlink+0x357/0x5f0 fs/namei.c:4252
 do_unlinkat+0x46f/0x930 fs/namei.c:4320
 __do_sys_unlink fs/namei.c:4368 [inline]
 __se_sys_unlink fs/namei.c:4366 [inline]
 __x64_sys_unlink+0x45/0x50 fs/namei.c:4366
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3a0f28c0c9
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:00007f3a0ff8e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007f3a0f3abf80 RCX: 00007f3a0f28c0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007f3a0f2e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcde6db84f R14: 00007f3a0ff8e300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: fffffffffff8d2a5
---[ end trace 0000000000000000 ]---
RIP: 0010:ovl_copy_xattr+0xdb/0xab0 fs/overlayfs/copy_up.c:85
Code: 90 fe e9 52 09 00 00 49 8d 5f 68 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 95 d2 e5 fe <48> 8b 1b 48 83 c3 02 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc
RSP: 0018:ffffc90005d8f450 EFLAGS: 00010246
RAX: 1fffffffffff1a54 RBX: fffffffffff8d2a5 RCX: dffffc0000000000
RDX: ffff88807e7c8000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff88801bfd2758 R08: ffffffff82fbb229 R09: ffffed10037fa6a5
R10: ffffed10037fa6a5 R11: 1ffff110037fa6a4 R12: ffff88804e39c000
R13: 0000000000000000 R14: 1ffff92000bb1ec7 R15: fffffffffff8d23d
FS:  00007f3a0ff8e700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffff8d2a5 CR3: 000000007be70000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e9 52 09 00 00       	jmpq   0x957
   5:	49 8d 5f 68          	lea    0x68(%r15),%rbx
   9:	48 89 d8             	mov    %rbx,%rax
   c:	48 c1 e8 03          	shr    $0x3,%rax
  10:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  17:	fc ff df
  1a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1)
  1e:	74 08                	je     0x28
  20:	48 89 df             	mov    %rbx,%rdi
  23:	e8 95 d2 e5 fe       	callq  0xfee5d2bd
* 28:	48 8b 1b             	mov    (%rbx),%rbx <-- trapping instruction
  2b:	48 83 c3 02          	add    $0x2,%rbx
  2f:	48 89 d8             	mov    %rbx,%rax
  32:	48 c1 e8 03          	shr    $0x3,%rax
  36:	48                   	rex.W
  37:	b9 00 00 00 00       	mov    $0x0,%ecx
  3c:	00 fc                	add    %bh,%ah