JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode.
overlayfs: upper fs does not support tmpfile.
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 6891 Comm: syz.3.309 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3426 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x30b2/0x56b0 fs/ocfs2/dir.c:4306
Code: 00 f8 e9 ed 12 00 00 e8 7c a2 31 fe e9 e6 02 00 00 e8 72 a2 31 fe 4c 8b 7c 24 18 48 8d 7b 08 4c 8d 73 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1e 21 00 00 48 8b 54 24 70 48 2b 94 24
RSP: 0018:ffffc90003326a80 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d06b000 RSI: 0000000000039bf3 RDI: 0000000000000008
RBP: ffffc900033271b0 R08: ffffc900033274c0 R09: 608b7c562adf3b03
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: fffff52000664d74
R13: dffffc0000000000 R14: 0000000000000009 R15: ffff888060e2ddf8
FS:  00007fa353e0d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000002f4fb000 CR4: 00000000003526e0
Call Trace:
 <TASK>
 __ocfs2_prepare_orphan_dir+0x145/0x310 fs/ocfs2/namei.c:2167
 ocfs2_prepare_orphan_dir+0xf1/0x420 fs/ocfs2/namei.c:2210
 ocfs2_unlink+0xb8f/0x1b50 fs/ocfs2/namei.c:960
 vfs_unlink+0x389/0x600 fs/namei.c:4333
 ovl_do_unlink fs/overlayfs/overlayfs.h:203 [inline]
 ovl_cleanup+0xe0/0x180 fs/overlayfs/dir.c:34
 ovl_check_rename_whiteout fs/overlayfs/super.c:650 [inline]
 ovl_make_workdir fs/overlayfs/super.c:751 [inline]
 ovl_get_workdir+0xaed/0x17c0 fs/overlayfs/super.c:874
 ovl_fill_super+0x13ff/0x3620 fs/overlayfs/super.c:1427
 vfs_get_super fs/super.c:1346 [inline]
 get_tree_nodev+0xb5/0x140 fs/super.c:1365
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa352f9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa353e0d028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa353215fa0 RCX: 00007fa352f9ce59
RDX: 0000200000000b80 RSI: 0000200000000080 RDI: 0000000000000000
RBP: 00007fa353032d6f R08: 0000200000000240 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa353216038 R14: 00007fa353215fa0 R15: 00007ffc83499d48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3426 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x30b2/0x56b0 fs/ocfs2/dir.c:4306
Code: 00 f8 e9 ed 12 00 00 e8 7c a2 31 fe e9 e6 02 00 00 e8 72 a2 31 fe 4c 8b 7c 24 18 48 8d 7b 08 4c 8d 73 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1e 21 00 00 48 8b 54 24 70 48 2b 94 24
RSP: 0018:ffffc90003326a80 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d06b000 RSI: 0000000000039bf3 RDI: 0000000000000008
RBP: ffffc900033271b0 R08: ffffc900033274c0 R09: 608b7c562adf3b03
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: fffff52000664d74
R13: dffffc0000000000 R14: 0000000000000009 R15: ffff888060e2ddf8
FS:  00007fa353e0d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f51acbea2f8 CR3: 000000002f4fb000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
   0:	00 f8                	add    %bh,%al
   2:	e9 ed 12 00 00       	jmp    0x12f4
   7:	e8 7c a2 31 fe       	call   0xfe31a288
   c:	e9 e6 02 00 00       	jmp    0x2f7
  11:	e8 72 a2 31 fe       	call   0xfe31a288
  16:	4c 8b 7c 24 18       	mov    0x18(%rsp),%r15
  1b:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  1f:	4c 8d 73 09          	lea    0x9(%rbx),%r14
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 1e 21 00 00    	jne    0x2155
  37:	48 8b 54 24 70       	mov    0x70(%rsp),%rdx
  3c:	48                   	rex.W
  3d:	2b                   	.byte 0x2b
  3e:	94                   	xchg   %eax,%esp
  3f:	24                   	.byte 0x24