Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 00[  225.944528][ T9814] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 9814 Comm: syz.3.1623 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:hfsplus_create_attributes_file fs/hfsplus/xattr.c:320 [inline]
RIP: 0010:__hfsplus_setxattr+0x1c86/0x2890 fs/hfsplus/xattr.c:432
Code: 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 d8 9a 86 ff 4d 8b 36 49 83 c6 08 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 bb 9a 86 ff 4d 8b 36 49 8d be 50
RSP: 0018:ffffc90003eef4e0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff520007ddebc RCX: 0000000000080000
RDX: ffffc90006df9000 RSI: 0000000000001b32 RDI: 0000000000001b33
RBP: ffffc90003eef9b8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff9400028237f R12: dffffc0000000000
R13: ffff888061354560 R14: 0000000000000008 R15: ffff888061353d30
FS:  00007fdbc89d66c0(0000) GS:ffff8881260c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9726f56b8 CR3: 00000000311b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfsplus_setxattr+0x124/0x340 fs/hfsplus/xattr.c:555
 hfsplus_trusted_setxattr+0x40/0x60 fs/hfsplus/xattr_trusted.c:30
 __vfs_setxattr+0x43c/0x480 fs/xattr.c:218
 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:252
 vfs_setxattr+0x163/0x370 fs/xattr.c:339
 do_setxattr fs/xattr.c:654 [inline]
 file_setxattr+0x1d9/0x2b0 fs/xattr.c:664
 path_setxattrat+0x3b0/0x440 fs/xattr.c:724
 __do_sys_fsetxattr fs/xattr.c:774 [inline]
 __se_sys_fsetxattr fs/xattr.c:771 [inline]
 __x64_sys_fsetxattr+0xbc/0xe0 fs/xattr.c:771
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdbca77c819
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:00007fdbc89d6028 EFLAGS: 00000246 ORIG_RAX: 00000000000000be
RAX: ffffffffffffffda RBX: 00007fdbca9f5fa0 RCX: 00007fdbca77c819
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003
RBP: 00007fdbca812c91 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdbca9f6038 R14: 00007fdbca9f5fa0 R15: 00007ffd8316d288
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_create_attributes_file fs/hfsplus/xattr.c:320 [inline]
RIP: 0010:__hfsplus_setxattr+0x1c86/0x2890 fs/hfsplus/xattr.c:432
Code: 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 d8 9a 86 ff 4d 8b 36 49 83 c6 08 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 bb 9a 86 ff 4d 8b 36 49 8d be 50
RSP: 0018:ffffc90003eef4e0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff520007ddebc RCX: 0000000000080000
RDX: ffffc90006df9000 RSI: 0000000000001b32 RDI: 0000000000001b33
RBP: ffffc90003eef9b8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff9400028237f R12: dffffc0000000000
R13: ffff888061354560 R14: 0000000000000008 R15: ffff888061353d30
FS:  00007fdbc89d66c0(0000) GS:ffff8881260c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9726f56b8 CR3: 00000000311b0000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	8b 36                	mov    (%rsi),%esi
   2:	49 83 c6 30          	add    $0x30,%r14
   6:	4c 89 f0             	mov    %r14,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 d8 9a 86 ff       	call   0xff869af4
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 08          	add    $0x8,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 bb 9a 86 ff       	call   0xff869af4
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	49                   	rex.WB
  3d:	8d                   	.byte 0x8d
  3e:	be                   	.byte 0xbe
  3f:	50                   	push   %rax