Files
clang-p2996/compiler-rt/tools/gwp_asan/options_parser_fuzzer.cpp
Mitch Phillips 6a42cbf6d2 [GWP-ASan] Add inbuilt options parser.
Adds a modified options parser (shamefully pulled from Scudo, which
shamefully pulled it from sanitizer-common) to GWP-ASan. This allows
customers (Android) to parse options strings in a common way.

Depends on D94117.

AOSP side of these patches is staged at:

 - sepolicy (sysprops should only be settable by the shell, in both root and
 unrooted conditions):
 https://android-review.googlesource.com/c/platform/system/sepolicy/+/1517238

 - zygote updates:
 https://android-review.googlesource.com/c/platform/frameworks/base/+/1515009

 - bionic changes to add `gwp_asan.<process_name>` system property, and
 GWP_ASAN_OPTIONS environment variable:
 https://android-review.googlesource.com/c/platform/bionic/+/1514989

Reviewed By: eugenis

Differential Revision: https://reviews.llvm.org/D92696
2021-01-15 12:57:05 -08:00

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C++

#include <cstddef>
#include <cstdint>
#include <fuzzer/FuzzedDataProvider.h>
#include "gwp_asan/optional/options_parser.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
FuzzedDataProvider Fdp(Data, Size);
gwp_asan::options::initOptions(Fdp.ConsumeRemainingBytesAsString().c_str());
return 0;
}