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split fuzzers and sanitizers

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This commit is contained in:
Eldar Zaitov 2020-04-25 10:12:38 +03:00
parent 519751232e
commit d7a037c26b
4 changed files with 24 additions and 15 deletions
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3
CMakeLists.txt
View File

@ -84,9 +84,10 @@ option (ENABLE_FUZZING "Enables fuzzing instrumentation" OFF)
if (ENABLE_FUZZING)
message (STATUS "Fuzzing instrumentation enabled")
set (WITH_COVERAGE ON)
set (SANITIZE "libfuzzer")
set (FUZZER "libfuzzer")
endif()
include (cmake/fuzzer.cmake)
include (cmake/sanitize.cmake)
if (CMAKE_GENERATOR STREQUAL "Ninja" AND NOT DISABLE_COLORED_BUILD)

21
cmake/fuzzer.cmake Normal file
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@ -0,0 +1,21 @@
option (FUZZER "Enable fuzzer: libfuzzer")
if (FUZZER)
if (FUZZER STREQUAL "libfuzzer")
# NOTE: Eldar Zaitov decided to name it "libfuzzer" instead of "fuzzer" to keep in mind another possible fuzzer backends.
# NOTE: no-link means that all the targets are built with instrumentation for fuzzer, but only some of them (tests) have entry point for fuzzer and it's not checked.
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SAN_FLAGS} -fsanitize=fuzzer-no-link")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SAN_FLAGS} -fsanitize=fuzzer-no-link")
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=fuzzer-no-link")
endif()
# NOTE: oss-fuzz can change LIB_FUZZING_ENGINE variable
if (NOT LIB_FUZZING_ENGINE)
set (LIB_FUZZING_ENGINE "-fsanitize=fuzzer")
endif ()
else ()
message (FATAL_ERROR "Unknown fuzzer type: ${FUZZER}")
endif ()
endif()

12
cmake/sanitize.cmake
View File

@ -58,18 +58,6 @@ if (SANITIZE)
# llvm-tblgen, that is used during LLVM build, doesn't work with UBSan.
set (ENABLE_EMBEDDED_COMPILER 0 CACHE BOOL "")
elseif (SANITIZE STREQUAL "libfuzzer")
# NOTE: Eldar Zaitov decided to name it "libfuzzer" instead of "fuzzer" to keep in mind another possible fuzzer backends.
# NOTE: no-link means that all the targets are built with instrumentation for fuzzer, but only some of them (tests) have entry point for fuzzer and it's not checked.
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SAN_FLAGS} -fsanitize=fuzzer-no-link,address,undefined -fsanitize-address-use-after-scope")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SAN_FLAGS} -fsanitize=fuzzer-no-link,address,undefined -fsanitize-address-use-after-scope")
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=fuzzer-no-link,address,undefined -fsanitize-address-use-after-scope")
endif()
if (MAKE_STATIC_LIBRARIES AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libasan -static-libubsan")
endif ()
set (LIBFUZZER_CMAKE_CXX_FLAGS "-fsanitize=fuzzer,address,undefined -fsanitize-address-use-after-scope")
else ()
message (FATAL_ERROR "Unknown sanitizer type: ${SANITIZE}")
endif ()

3
src/Compression/tests/CMakeLists.txt
View File

@ -6,6 +6,5 @@ target_link_libraries (cached_compressed_read_buffer PRIVATE dbms)
if (ENABLE_FUZZING)
add_executable (compressed_buffer_fuzz compressed_buffer_fuzz.cpp)
target_link_libraries (compressed_buffer_fuzz PRIVATE dbms)
set_target_properties(compressed_buffer_fuzz PROPERTIES LINK_FLAGS ${LIBFUZZER_CMAKE_CXX_FLAGS})
target_link_libraries (compressed_buffer_fuzz PRIVATE dbms ${LIB_FUZZING_ENGINE})
endif ()