------------[ cut here ]------------
WARNING: CPU: 0 PID: 16316 at fs/nsfs.c:493 nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493
Modules linked in:
CPU: 0 UID: 0 PID: 16316 Comm: syz.2.2632 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493
Code: 64 24 40 e9 41 f8 ff ff e8 f7 2d 7b ff 90 0f 0b 90 e9 64 f6 ff ff e8 e9 2d 7b ff 90 0f 0b 90 e9 ab f6 ff ff e8 db 2d 7b ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 cd 2d 7b ff 45 31 e4 4c 8b 7c 24 08 e9
RSP: 0018:ffffc9000b937a40 EFLAGS: 00010283
RAX: ffffffff8242e7b5 RBX: 00000000effffffc RCX: 0000000000080000
RDX: ffffc9000beda000 RSI: 000000000000003a RDI: 000000000000003b
RBP: ffffc9000b937b10 R08: ffffffff8f5cac37 R09: 1ffffffff1eb9586
R10: dffffc0000000000 R11: fffffbfff1eb9587 R12: ffffffff8242dc9c
R13: dffffc0000000000 R14: ffff888030010914 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812637e000(0063) knlGS:00000000f540eb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080000040 CR3: 00000000615de000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000fd8e000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 exportfs_decode_fh_raw+0x178/0x6e0 fs/exportfs/expfs.c:456
 do_handle_to_path+0xa4/0x1a0 fs/fhandle.c:276
 handle_to_path fs/fhandle.c:400 [inline]
 do_handle_open+0x6b4/0x8f0 fs/fhandle.c:415
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf701e539
Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f540e55c EFLAGS: 00000206 ORIG_RAX: 0000000000000156
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   4:	10 07                	adc    %al,(%rdi)
   6:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   a:	10 08                	adc    %cl,(%rax)
   c:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop