general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 1 PID: 27101 Comm: syz-executor.3 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ntfs_lookup+0x16b/0x260 fs/ntfs3/namei.c:96
Code: ff ff e8 38 ae cd fe 48 81 fd 00 f0 ff ff 77 2b e8 5a b1 cd fe 48 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 00 00 00 48 83 7d 20 00 74 54 e8 2f b1 cd fe
RSP: 0000:ffffc9000399f850 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffffffff1ce7efe RCX: 0000000000000000
RDX: 0000000000000004 RSI: ffffffff82b40b86 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808aa42468
R13: ffff888086248000 R14: ffff8880871d6990 R15: ffff8880871d67d8
FS:  00007fb8f6404700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000001ffffec0 CR3: 0000000077335000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __lookup_hash+0x117/0x180 fs/namei.c:1602
 do_unlinkat+0x288/0x640 fs/namei.c:4305
 do_coredump+0x10b9/0x3ca0 fs/coredump.c:673
 get_signal+0x1c08/0x24f0 kernel/signal.c:2845
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
 exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1557
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x8476
Code: Unable to access opcode bytes at 0x844c.
RSP: 002b:0000000020000098 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb8f57abf80 RCX: 00007fb8f568c0c9
RDX: 00000000200000c0 RSI: 0000000020000090 RDI: 0000000020000000
RBP: 00007fb8f56e7ae9 R08: 0000000020000240 R09: 0000000020000240
R10: 0000000020000100 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffd303c05bf R14: 00007fb8f6404300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ntfs_lookup+0x16b/0x260 fs/ntfs3/namei.c:96
Code: ff ff e8 38 ae cd fe 48 81 fd 00 f0 ff ff 77 2b e8 5a b1 cd fe 48 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 00 00 00 48 83 7d 20 00 74 54 e8 2f b1 cd fe
RSP: 0000:ffffc9000399f850 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffffffff1ce7efe RCX: 0000000000000000
RDX: 0000000000000004 RSI: ffffffff82b40b86 RDI: 0000000000000020
RBP: 0000000000000000 R08: 0000000000000007 R09: fffffffffffff000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808aa42468
R13: ffff888086248000 R14: ffff8880871d6990 R15: ffff8880871d67d8
FS:  00007fb8f6404700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f26d1315829 CR3: 0000000077335000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e8 38 ae cd fe       	callq  0xfecdae3d
   5:	48 81 fd 00 f0 ff ff 	cmp    $0xfffffffffffff000,%rbp
   c:	77 2b                	ja     0x39
   e:	e8 5a b1 cd fe       	callq  0xfecdb16d
  13:	48 8d 7d 20          	lea    0x20(%rbp),%rdi
  17:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1e:	fc ff df
  21:	48 89 fa             	mov    %rdi,%rdx
  24:	48 c1 ea 03          	shr    $0x3,%rdx
* 28:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2c:	0f 85 d3 00 00 00    	jne    0x105
  32:	48 83 7d 20 00       	cmpq   $0x0,0x20(%rbp)
  37:	74 54                	je     0x8d
  39:	e8 2f b1 cd fe       	callq  0xfecdb16d