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fuzzers: use updated hash functions

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This commit is contained in:
Edward Thomson
2021-10-02 13:50:12 -04:00
parent 923364c58e
commit f0a0916028
2 changed files with 12 additions and 6 deletions
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9
fuzzers/commit_graph_fuzzer.c
View File

@@ -34,6 +34,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
git_commit_graph_file file = {{0}};
git_commit_graph_entry e;
git_buf commit_graph_buf = GIT_BUF_INIT;
unsigned char hash[GIT_HASH_SHA1_SIZE];
git_oid oid = {{0}};
bool append_hash = false;
@@ -50,14 +51,16 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
size -= 4;
if (append_hash) {
if (git_buf_init(&commit_graph_buf, size + sizeof(oid)) < 0)
if (git_buf_init(&commit_graph_buf, size + GIT_HASH_SHA1_SIZE) < 0)
goto cleanup;
if (git_hash_buf(&oid, data, size) < 0) {
if (git_hash_buf(hash, data, size, GIT_HASH_ALGORITHM_SHA1) < 0) {
fprintf(stderr, "Failed to compute the SHA1 hash\n");
abort();
}
memcpy(commit_graph_buf.ptr, data, size);
memcpy(commit_graph_buf.ptr + size, &oid, sizeof(oid));
memcpy(commit_graph_buf.ptr + size, hash, GIT_HASH_SHA1_SIZE);
memcpy(oid.id, hash, GIT_OID_RAWSZ);
} else {
git_buf_attach_notowned(&commit_graph_buf, (char *)data, size);
}

9
fuzzers/midx_fuzzer.c
View File

@@ -34,6 +34,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
git_midx_file idx = {{0}};
git_midx_entry e;
git_buf midx_buf = GIT_BUF_INIT;
unsigned char hash[GIT_HASH_SHA1_SIZE];
git_oid oid = {{0}};
bool append_hash = false;
@@ -50,14 +51,16 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
size -= 4;
if (append_hash) {
if (git_buf_init(&midx_buf, size + sizeof(oid)) < 0)
if (git_buf_init(&midx_buf, size + GIT_HASH_SHA1_SIZE) < 0)
goto cleanup;
if (git_hash_buf(&oid, data, size) < 0) {
if (git_hash_buf(hash, data, size, GIT_HASH_ALGORITHM_SHA1) < 0) {
fprintf(stderr, "Failed to compute the SHA1 hash\n");
abort();
}
memcpy(midx_buf.ptr, data, size);
memcpy(midx_buf.ptr + size, &oid, sizeof(oid));
memcpy(midx_buf.ptr + size, hash, GIT_HASH_SHA1_SIZE);
memcpy(oid.id, hash, GIT_OID_RAWSZ);
} else {
git_buf_attach_notowned(&midx_buf, (char *)data, size);
}