------------[ cut here ]------------
err = 556
WARNING: lib/errseq.c:76 at errseq_set+0xe4/0x110 lib/errseq.c:75, CPU#1: syz.5.368/7785
Modules linked in:
CPU: 1 UID: 0 PID: 7785 Comm: syz.5.368 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:errseq_set+0xe6/0x110 lib/errseq.c:75
Code: 31 fd 44 89 e5 89 e8 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc e8 aa ea 31 fd eb e9 e8 a3 ea 31 fd 48 8d 3d 4c c0 1c 0b 89 de <67> 48 0f b9 3a eb d4 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 35 ff
RSP: 0018:ffffc900046bf768 EFLAGS: 00010283
RAX: ffffffff848fcdbd RBX: 000000000000022c RCX: 0000000000080000
RDX: ffffc9001b200000 RSI: 000000000000022c RDI: ffffffff8fac8e10
RBP: 0000000000000000 R08: ffffc900046bf747 R09: 1ffff920008d7ee8
R10: dffffc0000000000 R11: fffff520008d7ee9 R12: ffffea000145c940
R13: ffff88805a196a60 R14: ffff88805a196b90 R15: 000000000000022c
FS:  00007f39b2e096c0(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41c8291000 CR3: 0000000078b0a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __filemap_set_wb_err+0x22/0x1d0 mm/filemap.c:703
 mapping_set_error include/linux/pagemap.h:244 [inline]
 ntfs_resident_writepage fs/ntfs3/inode.c:896 [inline]
 ntfs_writepages+0x368/0x530 fs/ntfs3/inode.c:917
 do_writepages+0x32e/0x550 mm/page-writeback.c:2598
 filemap_writeback mm/filemap.c:387 [inline]
 filemap_fdatawrite_range mm/filemap.c:412 [inline]
 file_write_and_wait_range+0x23e/0x340 mm/filemap.c:786
 __generic_file_fsync+0x70/0x1f0 fs/libfs.c:1558
 generic_file_fsync+0x6c/0xe0 fs/libfs.c:1599
 generic_write_sync include/linux/fs.h:2615 [inline]
 ntfs_file_write_iter+0x6cc/0x870 fs/ntfs3/file.c:1324
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39b1f8f749
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:00007f39b2e09038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f39b21e6090 RCX: 00007f39b1f8f749
RDX: 0000000000000020 RSI: 0000200000000180 RDI: 0000000000000005
RBP: 00007f39b2013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f39b21e6128 R14: 00007f39b21e6090 R15: 00007ffdaa121bf8
 </TASK>
----------------
Code disassembly (best guess):
   0:	31 fd                	xor    %edi,%ebp
   2:	44 89 e5             	mov    %r12d,%ebp
   5:	89 e8                	mov    %ebp,%eax
   7:	5b                   	pop    %rbx
   8:	41 5c                	pop    %r12
   a:	41 5e                	pop    %r14
   c:	41 5f                	pop    %r15
   e:	5d                   	pop    %rbp
   f:	c3                   	ret
  10:	cc                   	int3
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	e8 aa ea 31 fd       	call   0xfd31eac4
  1a:	eb e9                	jmp    0x5
  1c:	e8 a3 ea 31 fd       	call   0xfd31eac4
  21:	48 8d 3d 4c c0 1c 0b 	lea    0xb1cc04c(%rip),%rdi        # 0xb1cc074
  28:	89 de                	mov    %ebx,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	eb d4                	jmp    0x5
  31:	44 89 f1             	mov    %r14d,%ecx
  34:	80 e1 07             	and    $0x7,%cl
  37:	80 c1 03             	add    $0x3,%cl
  3a:	38 c1                	cmp    %al,%cl
  3c:	0f                   	.byte 0xf
  3d:	8c                   	.byte 0x8c
  3e:	35                   	.byte 0x35
  3f:	ff                   	.byte 0xff