Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 7146 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0
Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 a0 b9 8b ff 4c 89 74 24 48 45 8b
RSP: 0018:ffffc9000312f7c0 EFLAGS: 00010202
RAX: 0000000000000008 RBX: ffff88801fcf5000 RCX: 0000000000080000
RDX: ffffc900038e9000 RSI: 000000000000119e RDI: 000000000000119f
RBP: ffffc9000312fbf0 R08: 0000000006000200 R09: 6d33a5df14000000
R10: 6d33a5df14000000 R11: 0000a5df6d33a5df R12: dffffc0000000000
R13: 1ffff92000625f04 R14: 0000000000000040 R15: 0000000000000000
FS:  00007f008f1776c0(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32702ff8 CR3: 0000000026e3c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 hfsplus_unlink+0x2e7/0x730
 vfs_unlink+0x394/0x650
 do_unlinkat+0x345/0x560
 __x64_sys_unlinkat+0xd3/0xf0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f008e38eba9
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:00007f008f177038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007f008e5d5fa0 RCX: 00007f008e38eba9
RDX: 0000000000000000 RSI: 0000200000000c40 RDI: ffffffffffffff9c
RBP: 00007f008e411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f008e5d6038 R14: 00007f008e5d5fa0 R15: 00007ffcc95ad038
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_rename_cat+0x3b1/0xde0
Code: 0f b7 84 24 40 01 00 00 66 89 44 24 18 48 8b 9c 24 e0 00 00 00 48 8b 44 24 08 4c 8d 70 40 4c 89 f0 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 20 00 74 08 4c 89 f7 e8 a0 b9 8b ff 4c 89 74 24 48 45 8b
RSP: 0018:ffffc9000312f7c0 EFLAGS: 00010202
RAX: 0000000000000008 RBX: ffff88801fcf5000 RCX: 0000000000080000
RDX: ffffc900038e9000 RSI: 000000000000119e RDI: 000000000000119f
RBP: ffffc9000312fbf0 R08: 0000000006000200 R09: 6d33a5df14000000
R10: 6d33a5df14000000 R11: 0000a5df6d33a5df R12: dffffc0000000000
R13: 1ffff92000625f04 R14: 0000000000000040 R15: 0000000000000000
FS:  00007f008f1776c0(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32701ffc CR3: 0000000026e3c000 CR4: 00000000000006f0
