------------[ cut here ]------------ WARNING: CPU: 0 PID: 21457 at fs/nsfs.c:493 nsfs_fh_to_dentry+0xc56/0xd50 fs/nsfs.c:493 Modules linked in: CPU: 0 UID: 0 PID: 21457 Comm: syz.1.3869 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 e7 04 7a ff 90 0f 0b 90 e9 64 f6 ff ff e8 d9 04 7a ff 90 0f 0b 90 e9 ab f6 ff ff e8 cb 04 7a ff 90 <0f> 0b 90 e9 f3 f6 ff ff e8 bd 04 7a ff 45 31 e4 4c 8b 7c 24 08 e9 RSP: 0018:ffffc9000be0fa40 EFLAGS: 00010283 RAX: ffffffff82447115 RBX: 00000000effffff9 RCX: 0000000000080000 RDX: ffffc9002291f000 RSI: 0000000000000060 RDI: 0000000000000061 RBP: ffffc9000be0fb10 R08: ffffffff8f5cd537 R09: 1ffffffff1eb9aa6 R10: dffffc0000000000 R11: fffffbfff1eb9aa7 R12: ffffffff824465fc R13: dffffc0000000000 R14: ffff8880789ad914 R15: 0000000000000000 FS: 00007fdf7fbf66c0(0000) GS:ffff888126373000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f54000 CR3: 000000005f7a8000 CR4: 00000000003526f0 Call Trace: exportfs_decode_fh_raw+0x175/0x6e0 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/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf8198eec9 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:00007fdf7fbf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 RAX: ffffffffffffffda RBX: 00007fdf81be5fa0 RCX: 00007fdf8198eec9 RDX: 0000000000670e41 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007fdf81a11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdf81be6038 R14: 00007fdf81be5fa0 R15: 00007fdf81d0fa28