uml-dir-fsync-bug

uml-dir-fsync-bug.c

#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>

int main()
{
        DIR* d = opendir("/");

        int fd = dirfd(d);
        if(fd < 0)
                exit(1);

        int rv = fsync(fd);
        if(rv != 0) {
                perror("fsync");
                exit(1);
        }

        printf("OK");

        return 0;
}