wimlib.net Git - wimlib/blob - tools/libFuzzer/decompress/fuzz.c

   1 #include "../fuzzer.h"
   2
   3 /* Fuzz decompression. */
   4 int LLVMFuzzerTestOneInput(const uint8_t *in, size_t insize)
   5 {
   6         int ctype;
   7         struct wimlib_decompressor *d;
   8         const size_t outsize_avail = 3 * insize;
   9         uint8_t *out;
  10         int ret;
  11
  12         if (insize < 1)
  13                 return 0;
  14         ctype = 1 + ((uint8_t)(in[0] - 1) % 3); /* 1-3 */
  15         in++;
  16         insize--;
  17
  18         ret = wimlib_create_decompressor(ctype, insize, &d);
  19         if (ret == 0) {
  20                 out = malloc(outsize_avail);
  21                 wimlib_decompress(in, insize, out, outsize_avail, d);
  22                 wimlib_free_decompressor(d);
  23                 free(out);
  24         }
  25         return 0;
  26 }