diff options
Diffstat (limited to 'fuzzers/midx_fuzzer.c')
| -rw-r--r-- | fuzzers/midx_fuzzer.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fuzzers/midx_fuzzer.c b/fuzzers/midx_fuzzer.c index e67873faa..9739f0a40 100644 --- a/fuzzers/midx_fuzzer.c +++ b/fuzzers/midx_fuzzer.c @@ -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); } |