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fuzz: extend fuzzing coverage (#2626)

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Ivan Nardi 2024-11-20 13:36:41 +01:00 • committed by GitHub
parent c5bd9d8bff
commit 43f7dc9ba0
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5 changed files with 26 additions and 8 deletions
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14
fuzz/fuzz_alg_crc32_md5.c
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@ -6,10 +6,15 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
ndpi_MD5_CTX ctx;
struct ndpi_popcount popcount;
char *str;
u_int len;
u_char out[2048], out2[2048];
int pseudo_bool;
/* No memory allocations involved */
/* Used for crc32, md5, hash(es) and popcount algs */
/* Used for crc32, md5, hash(es), popcount and hex2bin algs */
pseudo_bool = (size % 2 == 0);
ndpi_crc16_ccit(data, size);
ndpi_crc16_ccit_false(data, size);
@ -44,8 +49,11 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
}
ndpi_popcount_init(&popcount);
ndpi_popcount_count(&popcount, data, size);
ndpi_popcount_init(pseudo_bool ? &popcount : NULL);
ndpi_popcount_count(pseudo_bool ? &popcount : NULL, data, size);
len = ndpi_bin2hex(out, sizeof(out), (u_char *)data, size);
ndpi_hex2bin(out2, sizeof(out2), out, len);
return 0;
}