loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512).
general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 0 PID: 5496 Comm: syz-executor.0 Not tainted 6.8.0-rc6-syzkaller-gd206a76d7d27 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:attr_data_read_resident+0xad/0xa80 fs/ntfs3/attrib.c:1239
Code: 00 00 e8 d6 ed b5 fe bb ea ff ff ff e9 0a 05 00 00 48 8b 04 24 48 8d 58 20 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 c5 11 18 ff 4c 8b 33 49 c1 e6 0c 4c
RSP: 0018:ffffc90004cbf730 EFLAGS: 00010212
RAX: 0000000000000004 RBX: 0000000000000020 RCX: dffffc0000000000
RDX: ffff88807cffbb80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88802ad3c108 R08: ffffffff82dd7f62 R09: ffffffff82e68499
R10: 0000000000000002 R11: ffff88807cffbb80 R12: dffffc0000000000
R13: ffff8880692387f8 R14: 00000000000000a0 R15: ffff888069238760
FS:  00007f9fb92b06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9fb85a8000 CR3: 000000007bf0c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ntfs_get_block_vbo+0x312/0xd00 fs/ntfs3/inode.c:574
 generic_block_bmap+0x13c/0x1f0 fs/buffer.c:2742
 bmap+0xaa/0xe0 fs/inode.c:1790
 ioctl_fibmap fs/ioctl.c:77 [inline]
 file_ioctl fs/ioctl.c:328 [inline]
 do_vfs_ioctl+0x2056/0x2b60 fs/ioctl.c:850
 __do_sys_ioctl fs/ioctl.c:869 [inline]
 __se_sys_ioctl+0x81/0x170 fs/ioctl.c:857
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f9fb847dda9
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:00007f9fb92b00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9fb85abf80 RCX: 00007f9fb847dda9
RDX: 0000000020000040 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 00007f9fb84ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9fb85abf80 R15: 00007ffee1479a48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:attr_data_read_resident+0xad/0xa80 fs/ntfs3/attrib.c:1239
Code: 00 00 e8 d6 ed b5 fe bb ea ff ff ff e9 0a 05 00 00 48 8b 04 24 48 8d 58 20 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 c5 11 18 ff 4c 8b 33 49 c1 e6 0c 4c
RSP: 0018:ffffc90004cbf730 EFLAGS: 00010212
RAX: 0000000000000004 RBX: 0000000000000020 RCX: dffffc0000000000
RDX: ffff88807cffbb80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88802ad3c108 R08: ffffffff82dd7f62 R09: ffffffff82e68499
R10: 0000000000000002 R11: ffff88807cffbb80 R12: dffffc0000000000
R13: ffff8880692387f8 R14: 00000000000000a0 R15: ffff888069238760
FS:  00007f9fb92b06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9fb85a8000 CR3: 000000007bf0c000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	e8 d6 ed b5 fe       	call   0xfeb5eddd
   7:	bb ea ff ff ff       	mov    $0xffffffea,%ebx
   c:	e9 0a 05 00 00       	jmp    0x51b
  11:	48 8b 04 24          	mov    (%rsp),%rax
  15:	48 8d 58 20          	lea    0x20(%rax),%rbx
  19:	48 89 d8             	mov    %rbx,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 c5 11 18 ff       	call   0xff1811fd
  38:	4c 8b 33             	mov    (%rbx),%r14
  3b:	49 c1 e6 0c          	shl    $0xc,%r14
  3f:	4c                   	rex.WR