AuroraMiddleware/SPIRV-Tools
1
0
Fork 0
mirror of https://github.com/KhronosGroup/SPIRV-Tools synced 2024-10-18 11:10:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Simplify the as fuzzer target (#4647)

Browse Source 
Makes the logic in the as fuzzer target closer to the logic of the
spirv-as tool.

Fixes #4643
This commit is contained in:
Alastair Donaldson 2021-12-10 15:06:23 +00:00 committed by GitHub
parent 3156158878
commit e452792594
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
test/fuzzers/spvtools_as_fuzzer.cpp
View File

@ -32,22 +32,13 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
return 0;
}
std::vector<uint32_t> input;
input.resize(size >> 2);
size_t count = 0;
for (size_t i = 0; (i + 3) < size; i += 4) {
input[count++] = data[i] | (data[i + 1] << 8) | (data[i + 2] << 16) |
(data[i + 3]) << 24;
}
std::vector<char> input_str;
size_t char_count = input.size() * sizeof(uint32_t) / sizeof(char);
input_str.resize(char_count);
memcpy(input_str.data(), input.data(), input.size() * sizeof(uint32_t));
std::vector<char> contents;
contents.resize(size);
memcpy(contents.data(), data, size);
spv_binary binary = nullptr;
spv_diagnostic diagnostic = nullptr;
spvTextToBinaryWithOptions(context, input_str.data(), input_str.size(),
spvTextToBinaryWithOptions(context, contents.data(), contents.size(),
SPV_TEXT_TO_BINARY_OPTION_NONE, &binary,
&diagnostic);
if (diagnostic) {
@ -61,7 +52,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
binary = nullptr;
}
spvTextToBinaryWithOptions(context, input_str.data(), input_str.size(),
spvTextToBinaryWithOptions(context, contents.data(), contents.size(),
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS,
&binary, &diagnostic);
if (diagnostic) {