general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 7658 Comm: syz-executor 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:3425 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x3194/0x5660 fs/ocfs2/dir.c:4305
Code: 41 fe e9 71 d1 ff ff e8 ea 87 41 fe e9 d8 02 00 00 e8 e0 87 41 fe 4c 8b 7c 24 38 48 8d 7b 08 4c 8d 73 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 9f 1f 00 00 48 8b 54 24 40 48 2b 94 24
RSP: 0018:ffffc90003227080 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff888076e75a00
RDX: 0000000000000000 RSI: ffff88804f2070c8 RDI: 0000000000000008
RBP: ffffc900032277b0 R08: ffffc90003227ac0 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000000 R12: fffff52000644e34
R13: dffffc0000000000 R14: 0000000000000009 R15: ffff888054bd24f8
FS:  000055557deeb500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557df16ab8 CR3: 00000000662b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ocfs2_prepare_orphan_dir+0x141/0x310 fs/ocfs2/namei.c:2164
 ocfs2_prepare_orphan_dir+0xed/0x410 fs/ocfs2/namei.c:2207
 ocfs2_unlink+0xb3b/0x19d0 fs/ocfs2/namei.c:959
 vfs_rmdir+0x36c/0x4d0 fs/namei.c:4199
 do_rmdir+0x29a/0x5c0 fs/namei.c:4260
 __do_sys_unlinkat fs/namei.c:4440 [inline]
 __se_sys_unlinkat fs/namei.c:4434 [inline]
 __x64_sys_unlinkat+0xc0/0xe0 fs/namei.c:4434
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f841719bf77
Code: 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 07 01 00 00 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:00007ffd87f20df8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f841719bf77
RDX: 0000000000000200 RSI: 00007ffd87f21fa0 RDI: 00000000ffffff9c
RBP: 00007f84172321ca R08: 0000000000008550 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000207 R12: 00007ffd87f21fa0
R13: 00007f84172321ca R14: 00000000000a1ad6 R15: 00007ffd87f24160
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3425 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x3194/0x5660 fs/ocfs2/dir.c:4305
Code: 41 fe e9 71 d1 ff ff e8 ea 87 41 fe e9 d8 02 00 00 e8 e0 87 41 fe 4c 8b 7c 24 38 48 8d 7b 08 4c 8d 73 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 9f 1f 00 00 48 8b 54 24 40 48 2b 94 24
RSP: 0018:ffffc90003227080 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff888076e75a00
RDX: 0000000000000000 RSI: ffff88804f2070c8 RDI: 0000000000000008
RBP: ffffc900032277b0 R08: ffffc90003227ac0 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000000 R12: fffff52000644e34
R13: dffffc0000000000 R14: 0000000000000009 R15: ffff888054bd24f8
FS:  000055557deeb500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557df16ab8 CR3: 00000000662b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	41 fe                	rex.B (bad)
   2:	e9 71 d1 ff ff       	jmp    0xffffd178
   7:	e8 ea 87 41 fe       	call   0xfe4187f6
   c:	e9 d8 02 00 00       	jmp    0x2e9
  11:	e8 e0 87 41 fe       	call   0xfe4187f6
  16:	4c 8b 7c 24 38       	mov    0x38(%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 9f 1f 00 00    	jne    0x1fd6
  37:	48 8b 54 24 40       	mov    0x40(%rsp),%rdx
  3c:	48                   	rex.W
  3d:	2b                   	.byte 0x2b
  3e:	94                   	xchg   %eax,%esp
  3f:	24                   	.byte 0x24