du doesn't work in keybase folder

$ ls -lah ./* | head
-rw-r--r-- 1 root root 696K Nov 11 17:29 ./DB41.psd
-rw-r--r-- 1 root root  12M Jan 28 11:45 ./DR01.psd
-rw-r--r-- 1 root root  16M Dec  8 12:33 ./DR05.psd
-rw-r--r-- 1 root root 8.1M Nov 11 16:51 ./DR06.psd
-rw-r--r-- 1 root root 8.4M Nov 30 19:53 ./DR08.psd
-rw-r--r-- 1 root root 937K Nov  3 17:25 ./DR09.psd
-rw-r--r-- 1 root root 3.6M Dec 14 14:40 ./DR10.psd
-rw-r--r-- 1 root root  11M Dec  1 13:11 ./DR11.psd
-rw-r--r-- 1 root root 4.0M Jan 28 19:16 ./DR12.psd
-rw-r--r-- 1 root root  17M Dec  1 13:13 ./DR15.psd

$ du -hs ./* | head
0   ./DB41.psd
0   ./DR01.psd
0   ./DR05.psd
0   ./DR06.psd
0   ./DR08.psd
0   ./DR09.psd
0   ./DR10.psd
0   ./DR11.psd
0   ./DR12.psd
0   ./DR15.psd

I assume a limitation in your fuse implementation?

my log id: b2ae5d6a577b2e6615d2eb1c