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WARNING: CPU: 0 PID: 5324 at fs/nsfs.c:493 nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493
Modules linked in:
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493
Code: 64 24 40 e9 41 f8 ff ff e8 17 5a 77 ff 90 0f 0b 90 e9 64 f6 ff ff e8 09 5a 77 ff 90 0f 0b 90 e9 ab f6 ff ff e8 fb 59 77 ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 ed 59 77 ff 45 31 e4 4c 8b 7c 24 08 e9
RSP: 0018:ffffc9000d37fa40 EFLAGS: 00010287
RAX: ffffffff8248f995 RBX: 00000000effffff9 RCX: 0000000000100000
RDX: ffffc9000eabb000 RSI: 000000000000003e RDI: 000000000000003f
RBP: ffffc9000d37fb10 R08: ffffffff8f9e3177 R09: 1ffffffff1f3c62e
R10: dffffc0000000000 R11: fffffbfff1f3c62f R12: ffffffff8248ee7c
R13: dffffc0000000000 R14: ffff888050dee094 R15: 0000000000000000
FS:  00007fee3bac86c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001380 CR3: 0000000034281000 CR4: 0000000000352ef0
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_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fee3ab8eec9
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:00007fee3bac8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
RAX: ffffffffffffffda RBX: 00007fee3ade6090 RCX: 00007fee3ab8eec9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000007
RBP: 00007fee3ac11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fee3ade6128 R14: 00007fee3ade6090 R15: 00007ffddb2bf908
 </TASK>