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Add checking for ICEs in fuzzers 

BUG=tint:668

Change-Id: I6b0bf79873b01140b1e87ea60abeb623b031af23
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/45942
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ryan Harrison 2021-03-25 11:40:07 +00:00 committed by Commit Bot service account
parent 5c9906e307
commit 0f5c26d5fd
2 changed files with 18 additions and 0 deletions
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9
fuzzers/tint_ast_clone_fuzzer.cc
View File

@ -41,9 +41,18 @@
} \ } \
} while (false) } while (false)
[[noreturn]] void TintInternalCompilerErrorReporter(
const tint::diag::List& diagnostics) {
auto printer = tint::diag::Printer::create(stderr, true);
tint::diag::Formatter{}.format(diagnostics, printer.get());
__builtin_trap();
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
std::string str(reinterpret_cast<const char*>(data), size); std::string str(reinterpret_cast<const char*>(data), size);
tint::SetInternalCompilerErrorReporter(&TintInternalCompilerErrorReporter);
tint::Source::File file("test.wgsl", str); tint::Source::File file("test.wgsl", str);
// Parse the wgsl, create the src program // Parse the wgsl, create the src program

9
fuzzers/tint_common_fuzzer.cc
View File

@ -26,6 +26,13 @@
namespace tint { namespace tint {
namespace fuzzers { namespace fuzzers {
[[noreturn]] void TintInternalCompilerErrorReporter(
const tint::diag::List& diagnostics) {
auto printer = tint::diag::Printer::create(stderr, true);
tint::diag::Formatter{}.format(diagnostics, printer.get());
__builtin_trap();
}
CommonFuzzer::CommonFuzzer(InputFormat input, OutputFormat output) CommonFuzzer::CommonFuzzer(InputFormat input, OutputFormat output)
: input_(input), : input_(input),
output_(output), output_(output),
@ -35,6 +42,8 @@ CommonFuzzer::CommonFuzzer(InputFormat input, OutputFormat output)
CommonFuzzer::~CommonFuzzer() = default; CommonFuzzer::~CommonFuzzer() = default;
int CommonFuzzer::Run(const uint8_t* data, size_t size) { int CommonFuzzer::Run(const uint8_t* data, size_t size) {
tint::SetInternalCompilerErrorReporter(&TintInternalCompilerErrorReporter);
Program program; Program program;
#if TINT_BUILD_WGSL_READER #if TINT_BUILD_WGSL_READER