Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 1 UID: 0 PID: 5607 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:hfsplus_rename_cat+0x43f/0x1070 fs/hfsplus/catalog.c:470
Code: 0f b7 84 24 60 01 00 00 66 89 44 24 18 4c 8b b4 24 00 01 00 00 48 8b 44 24 28 4c 8d 60 40 4c 89 e0 48 c1 e8 03 48 89 44 24 68 <42> 80 3c 38 00 74 08 4c 89 e7 e8 92 ca 7e ff 4c 89 64 24 58 45 8b
RSP: 0018:ffffc9000435f7e0 EFLAGS: 00010202
RAX: 0000000000000008 RBX: fffff5200086bf0c RCX: ffff88807dba3e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000435fc30 R08: 0000000002000200 R09: 73eefae619000000
R10: 73eefae619000000 R11: 74eefae674eefae6 R12: 0000000000000040
R13: ffff8880778a4001 R14: ffff8880778a4000 R15: dffffc0000000000
FS:  00005555638fb500(0000) GS:ffff888123b8b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd82376ff0 CR3: 000000006022e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfsplus_unlink+0x300/0x8e0 fs/hfsplus/dir.c:391
 vfs_unlink+0x27b/0x6d0 fs/namei.c:5661
 filename_unlinkat+0x3cd/0x610 fs/namei.c:5731
 __do_sys_unlink fs/namei.c:5766 [inline]
 __se_sys_unlink+0x2e/0x140 fs/namei.c:5763
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f595a59d647
Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd82377178 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f595a59d647
RDX: 00007ffd823771a0 RSI: 00007ffd82377230 RDI: 00007ffd82377230
RBP: 00007ffd82377230 R08: 00007ffd82378230 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd82378320
R13: 00007f595a634efb R14: 000000000001e23e R15: 00007ffd823793f0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_rename_cat+0x43f/0x1070 fs/hfsplus/catalog.c:470
Code: 0f b7 84 24 60 01 00 00 66 89 44 24 18 4c 8b b4 24 00 01 00 00 48 8b 44 24 28 4c 8d 60 40 4c 89 e0 48 c1 e8 03 48 89 44 24 68 <42> 80 3c 38 00 74 08 4c 89 e7 e8 92 ca 7e ff 4c 89 64 24 58 45 8b
RSP: 0018:ffffc9000435f7e0 EFLAGS: 00010202
RAX: 0000000000000008 RBX: fffff5200086bf0c RCX: ffff88807dba3e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000435fc30 R08: 0000000002000200 R09: 73eefae619000000
R10: 73eefae619000000 R11: 74eefae674eefae6 R12: 0000000000000040
R13: ffff8880778a4001 R14: ffff8880778a4000 R15: dffffc0000000000
FS:  00005555638fb500(0000) GS:ffff888123b8b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb0101f54b8 CR3: 000000006022e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0f b7 84 24 60 01 00 	movzwl 0x160(%rsp),%eax
   7:	00
   8:	66 89 44 24 18       	mov    %ax,0x18(%rsp)
   d:	4c 8b b4 24 00 01 00 	mov    0x100(%rsp),%r14
  14:	00
  15:	48 8b 44 24 28       	mov    0x28(%rsp),%rax
  1a:	4c 8d 60 40          	lea    0x40(%rax),%r12
  1e:	4c 89 e0             	mov    %r12,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	48 89 44 24 68       	mov    %rax,0x68(%rsp)
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 e7             	mov    %r12,%rdi
  34:	e8 92 ca 7e ff       	call   0xff7ecacb
  39:	4c 89 64 24 58       	mov    %r12,0x58(%rsp)
  3e:	45                   	rex.RB
  3f:	8b                   	.byte 0x8b