------------[ cut here ]------------ WARNING: fs/nsfs.c:493 at nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493, CPU#0: syz.7.3387/20829 Modules linked in: CPU: 0 UID: 0 PID: 20829 Comm: syz.7.3387 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 37 f0 78 ff 90 0f 0b 90 e9 64 f6 ff ff e8 29 f0 78 ff 90 0f 0b 90 e9 ab f6 ff ff e8 1b f0 78 ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 0d f0 78 ff 45 31 e4 4c 8b 7c 24 08 e9 RSP: 0018:ffffc9000a697a40 EFLAGS: 00010283 RAX: ffffffff82476225 RBX: 00000000f00005c5 RCX: 0000000000080000 RDX: ffffc9000b169000 RSI: 0000000000000042 RDI: 0000000000000043 RBP: ffffc9000a697b10 R08: ffffffff8fc36c77 R09: 1ffffffff1f86d8e R10: dffffc0000000000 R11: fffffbfff1f86d8f R12: ffffffff8247570c R13: dffffc0000000000 R14: ffff888077ef0e94 R15: 0000000000000000 FS: 00007efe020846c0(0000) GS:ffff8881259fc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c33a87a CR3: 0000000082352000 CR4: 00000000003526f0 Call Trace: 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: 0033:0x7efe0118eec9 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:00007efe02084038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007efe013e5fa0 RCX: 00007efe0118eec9 RDX: 0000000000400040 RSI: 0000200000000000 RDI: 0000000000000005 RBP: 00007efe01211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efe013e6038 R14: 00007efe013e5fa0 R15: 00007ffef21dfe48