overlayfs: upper fs does not support tmpfile.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.13.0-rc1-syzkaller-00378-g62b5a46999c7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x32ed/0x5c40 fs/ocfs2/dir.c:4271
Code: 00 00 e8 06 12 0b fe e9 ba 06 00 00 e8 fc 11 0b fe e9 4f 01 00 00 e8 f2 11 0b fe 49 8d 7f 08 49 8d 5f 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bd 23 00 00 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffffc900019ce840 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000009 RCX: ffff8880001ac880
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc900019cf050 R08: ffffffff8394336b R09: ffffffff83948a87
R10: 0000000000000002 R11: ffff8880001ac880 R12: dffffc0000000000
R13: ffff888052c7ddf8 R14: 00000000000001c0 R15: 0000000000000000
FS:  00007f6993fe76c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000402fa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ocfs2_prepare_orphan_dir+0x146/0x310 fs/ocfs2/namei.c:2175
 ocfs2_prepare_orphan_dir+0x193/0x4d0 fs/ocfs2/namei.c:2220
 ocfs2_unlink+0x9de/0x1c80 fs/ocfs2/namei.c:958
 vfs_unlink+0x365/0x650 fs/namei.c:4523
 ovl_do_unlink fs/overlayfs/overlayfs.h:218 [inline]
 ovl_cleanup+0xe4/0x190 fs/overlayfs/dir.c:35
 ovl_check_rename_whiteout fs/overlayfs/super.c:584 [inline]
 ovl_make_workdir fs/overlayfs/super.c:685 [inline]
 ovl_get_workdir+0xc5c/0x1920 fs/overlayfs/super.c:808
 ovl_fill_super+0x12a8/0x3560 fs/overlayfs/super.c:1376
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f699317fed9
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:00007f6993fe7058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6993346080 RCX: 00007f699317fed9
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 00007f69931f3cc8 R08: 0000000020000140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6993346080 R15: 00007ffcfd767fa8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x32ed/0x5c40 fs/ocfs2/dir.c:4271
Code: 00 00 e8 06 12 0b fe e9 ba 06 00 00 e8 fc 11 0b fe e9 4f 01 00 00 e8 f2 11 0b fe 49 8d 7f 08 49 8d 5f 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bd 23 00 00 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffffc900019ce840 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000009 RCX: ffff8880001ac880
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc900019cf050 R08: ffffffff8394336b R09: ffffffff83948a87
R10: 0000000000000002 R11: ffff8880001ac880 R12: dffffc0000000000
R13: ffff888052c7ddf8 R14: 00000000000001c0 R15: 0000000000000000
FS:  00007f6993fe76c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46a86d0580 CR3: 00000000402fa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	e8 06 12 0b fe       	call   0xfe0b120d
   7:	e9 ba 06 00 00       	jmp    0x6c6
   c:	e8 fc 11 0b fe       	call   0xfe0b120d
  11:	e9 4f 01 00 00       	jmp    0x165
  16:	e8 f2 11 0b fe       	call   0xfe0b120d
  1b:	49 8d 7f 08          	lea    0x8(%r15),%rdi
  1f:	49 8d 5f 09          	lea    0x9(%r15),%rbx
  23:	48 89 f8             	mov    %rdi,%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 bd 23 00 00    	jne    0x23f4
  37:	48 89 d8             	mov    %rbx,%rax
  3a:	48 c1 e8 03          	shr    $0x3,%rax
  3e:	42                   	rex.X
  3f:	0f                   	.byte 0xf