memcheck/tests/freebsd/statfs.c

   1 #include <sys/param.h>
   2 #include <sys/mount.h>
   3 #include <fcntl.h>
   4 #include <string.h>
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7
   8 int main(void)
   9 {
  10    struct statfs fs;
  11    int fd = open("/bin/sh", O_RDONLY);
  12
  13    // OK
  14    if (-1 == statfs("/bin/sh", &fs)) {
  15       perror("statfs failed:");
  16    }
  17
  18    if (-1 == fstatfs(fd, &fs)) {
  19       perror("statfs failed:");
  20    }
  21
  22    struct statfs* pfs;
  23
  24    pfs = malloc(sizeof(struct statfs));
  25    free(pfs);
  26
  27    // invalid write
  28    statfs("/bin/sh", pfs);
  29    pfs = malloc(sizeof(struct statfs));
  30    free(pfs);
  31    fstatfs(fd, pfs);
  32
  33    pfs = malloc(sizeof(struct statfs) - 3);
  34    statfs("/bin/sh", pfs);
  35
  36    char* badstring = strdup("/bin/sh");
  37    free(badstring);
  38
  39    statfs(badstring, &fs);
  40
  41    int badfd;
  42    fstatfs(badfd, &fs);
  43
  44    free(pfs);
  45 }
  46