[#inc-517] Add basic crashing test with asan (HW Asan, GWP-ASan) #962
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Testing Address SanitizersThis comment acts as a "what-we-already-tried" benchmark to work from, which can guide our next steps in resolving this issue. During the investigation of #974 I had a look into the following 3 ASAN types: ASan(Android Docs) To run ASan on an emulated Pixel 9 Pro (running Android 14.0 Default Android System Image, so we have Root access) I added the following to the sample app (found here): target_compile_options(ndk-sample PRIVATE -fsanitize=address -fno-omit-frame-pointer)
target_link_options(ndk-sample PRIVATE -fsanitize=address)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address")And these to externalNativeBuild {
cmake {
arguments.add(0, "-DANDROID_STL=c++_shared")
arguments.add(0, "-DSENTRY_NATIVE_SRC=$sentryNativeSrc")
arguments.add("-DCMAKE_VERBOSE_MAKEFILE=ON")
abiFilters.addAll(listOf("x86_64", "arm64-v8a"))
abiFilters.forEach { abi ->
println("ABI=$abi")
if (abi == "arm64-v8a" || abi == "x86_64") {
arguments.add(0, "-DANDROID_SANITIZE=address")
}
}
}
}After which I needed to copy When running the following snippet, we get ASan output: char *ptr_f = (char *)malloc(10);
free(ptr_f);
*ptr_f = 'A';ASan outputGWP-ASan(Android Docs) Enabling this for an app can be done by adding this to the <application android:gwpAsanMode="always">
...
</application>HW-ASan(Android Docs) |
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