Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
IPVS: ftp: loaded support on port[0] = 21
BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
PGD 131978067 P4D 131978067 PUD 13197c067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 3625 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:hfsplus_rename_cat+0x131/0x3c8 fs/hfsplus/catalog.c:455
Code: 15 2d 00 00 48 8d 7c 24 08 e8 eb 43 00 00 8b 44 24 04 e9 36 ff ff ff 8b 54 24 34 48 8d 74 24 78 48 8b 7c 24 20 e8 4f 1d 00 00 <41> 8b 56 40 4c 89 f9 48 89 df 0f b7 44 24 78 48 8b 74 24 40 66 89
RSP: 0018:ffffc9000117fb38 EFLAGS: 00010296
RAX: ffffc9000117fbb0 RBX: ffff8801338f2000 RCX: 0000000000000000
RDX: 00000000000000f8 RSI: ffff8801250421a6 RDI: ffffc9000117fca8
RBP: ffffc9000117fde8 R08: 0000000000000000 R09: ffffc9000117fbb0
R10: ffffffff834e7cc0 R11: ffff8801323a8910 R12: ffff8801323c1218
R13: ffff88013425b948 R14: 0000000000000000 R15: ffffc9000117fe00
FS:  00007fbe89bb16c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000131974000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hfsplus_unlink+0x15d/0x1d0 fs/hfsplus/dir.c:376
 vfs_unlink+0x112/0x1c0 fs/namei.c:4000
 do_unlinkat+0x219/0x2e0 fs/namei.c:4063
 __do_sys_unlink fs/namei.c:4110 [inline]
 __se_sys_unlink fs/namei.c:4108 [inline]
 __x64_sys_unlink+0x1a/0x20 fs/namei.c:4108
 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fbe8a02eae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbe89bb10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007fbe8a14df80 RCX: 00007fbe8a02eae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 00007fbe8a07a47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007fbe8a14df80 R15: 00007ffdec86a398
Modules linked in:
CR2: 0000000000000040
---[ end trace 8936618e386c5e89 ]---
RIP: 0010:hfsplus_rename_cat+0x131/0x3c8 fs/hfsplus/catalog.c:455
Code: 15 2d 00 00 48 8d 7c 24 08 e8 eb 43 00 00 8b 44 24 04 e9 36 ff ff ff 8b 54 24 34 48 8d 74 24 78 48 8b 7c 24 20 e8 4f 1d 00 00 <41> 8b 56 40 4c 89 f9 48 89 df 0f b7 44 24 78 48 8b 74 24 40 66 89
RSP: 0018:ffffc9000117fb38 EFLAGS: 00010296
RAX: ffffc9000117fbb0 RBX: ffff8801338f2000 RCX: 0000000000000000
RDX: 00000000000000f8 RSI: ffff8801250421a6 RDI: ffffc9000117fca8
RBP: ffffc9000117fde8 R08: 0000000000000000 R09: ffffc9000117fbb0
R10: ffffffff834e7cc0 R11: ffff8801323a8910 R12: ffff8801323c1218
R13: ffff88013425b948 R14: 0000000000000000 R15: ffffc9000117fe00
FS:  00007fbe89bb16c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000131974000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	15 2d 00 00 48       	adc    $0x4800002d,%eax
   5:	8d 7c 24 08          	lea    0x8(%rsp),%edi
   9:	e8 eb 43 00 00       	call   0x43f9
   e:	8b 44 24 04          	mov    0x4(%rsp),%eax
  12:	e9 36 ff ff ff       	jmp    0xffffff4d
  17:	8b 54 24 34          	mov    0x34(%rsp),%edx
  1b:	48 8d 74 24 78       	lea    0x78(%rsp),%rsi
  20:	48 8b 7c 24 20       	mov    0x20(%rsp),%rdi
  25:	e8 4f 1d 00 00       	call   0x1d79
* 2a:	41 8b 56 40          	mov    0x40(%r14),%edx <-- trapping instruction
  2e:	4c 89 f9             	mov    %r15,%rcx
  31:	48 89 df             	mov    %rbx,%rdi
  34:	0f b7 44 24 78       	movzwl 0x78(%rsp),%eax
  39:	48 8b 74 24 40       	mov    0x40(%rsp),%rsi
  3e:	66                   	data16
  3f:	89                   	.byte 0x89