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Merge pull request #78 from bshastry:libfuzzer-harness

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PiperOrigin-RevId: 264241380
This commit is contained in:
Victor Costan
2019-08-19 14:30:12 -07:00
parent 4c7f2d5dfb a58d4b03c5
commit fd79e6f9b2
4 changed files with 163 additions and 1 deletions
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36
CMakeLists.txt
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@@ -12,6 +12,8 @@ option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
option(SNAPPY_FUZZING_BUILD "Build Snappy for fuzzing." OFF)
option(SNAPPY_REQUIRE_AVX "Target processors with AVX support." OFF)
option(SNAPPY_REQUIRE_AVX2 "Target processors with AVX2 support." OFF)
@@ -113,6 +115,20 @@ if(NOT HAVE_SYS_UIO_H_01)
set(HAVE_SYS_UIO_H_01 0)
endif(NOT HAVE_SYS_UIO_H_01)
if (SNAPPY_FUZZING_BUILD)
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(WARNING "Fuzzing builds are only supported with Clang")
endif (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize-coverage=trace-pc-guard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize-coverage=trace-pc-guard")
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize-coverage=trace-pc-guard")
endif (SNAPPY_FUZZING_BUILD)
configure_file(
"${PROJECT_SOURCE_DIR}/snappy-stubs-public.h.in"
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
@@ -185,6 +201,26 @@ if(SNAPPY_BUILD_TESTS)
COMMAND "${PROJECT_BINARY_DIR}/snappy_unittest")
endif(SNAPPY_BUILD_TESTS)
if(SNAPPY_FUZZING_BUILD)
add_executable(snappy_compress_fuzzer "")
target_sources(snappy_compress_fuzzer
PRIVATE "${PROJECT_SOURCE_DIR}/snappy_compress_fuzzer.cc"
)
target_link_libraries(snappy_compress_fuzzer snappy)
set_target_properties(snappy_compress_fuzzer
PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
)
add_executable(snappy_uncompress_fuzzer "")
target_sources(snappy_uncompress_fuzzer
PRIVATE "${PROJECT_SOURCE_DIR}/snappy_uncompress_fuzzer.cc"
)
target_link_libraries(snappy_uncompress_fuzzer snappy)
set_target_properties(snappy_uncompress_fuzzer
PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
)
endif(SNAPPY_FUZZING_BUILD)
include(GNUInstallDirs)
install(TARGETS snappy
EXPORT SnappyTargets