Multithreaded fuzzer

.github/workflows/fuzz.yml

@@ -26,8 +26,8 @@ jobs:
 
       - name: Install deps
         run: |
-          sudo apt-get -y update
-          DEBIAN_FRONTEND="noninteractive" sudo apt-get -y install python3 apt-transport-https build-essential wget cmake git clang-14 libfuzzer-14-dev
+          sudo .github/workflows/scripts/llvm.sh 15
+          DEBIAN_FRONTEND="noninteractive" sudo apt-get -y install python3 apt-transport-https build-essential wget cmake git clang-15 libfuzzer-15-dev
 
       - name: Build
         run: ./fuzzing/build.sh

fuzzing/CMakeLists.txt

@@ -6,15 +6,13 @@ set_target_properties(fuzzer PROPERTIES
     CXX_STANDARD_REQUIRED YES
     CXX_EXTENSIONS NO)
 
-
 target_include_directories(fuzzer PRIVATE ${libddwaf_SOURCE_DIR}/fuzzing/tools)
 target_include_directories(fuzzer PRIVATE ${libddwaf_SOURCE_DIR}/include)
 target_include_directories(fuzzer PRIVATE ${libddwaf_SOURCE_DIR}/src)
 target_include_directories(fuzzer PRIVATE ${libddwaf_SOURCE_DIR}/src/rule_processor)
 
-
-set_target_properties(fuzzer PROPERTIES COMPILE_FLAGS "-fsanitize=fuzzer,address,undefined -fprofile-instr-generate -fcoverage-mapping")
-set_target_properties(fuzzer PROPERTIES LINK_FLAGS "-fsanitize=fuzzer,address,undefined -fprofile-instr-generate -fcoverage-mapping")
+set_target_properties(fuzzer PROPERTIES COMPILE_FLAGS "-fsanitize=fuzzer,address,undefined,leak -fprofile-instr-generate -fcoverage-mapping")
+set_target_properties(fuzzer PROPERTIES LINK_FLAGS "-fsanitize=fuzzer,address,undefined,leak -fprofile-instr-generate -fcoverage-mapping")
 
 target_link_libraries(fuzzer
     PRIVATE ${LIBDDWAF_PRIVATE_LIBRARIES} ${LIBDDWAF_INTERFACE_LIBRARIES}

fuzzing/build.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 set -eu
 
-export CC=clang-14
-export CXX=clang++-14
+export CC=clang-15
+export CXX=clang++-15
 
 rm -rf build && mkdir build && cd build
 

fuzzing/scripts/show_coverage.sh

@@ -3,13 +3,13 @@ set -eu
 
 cd fuzzing
 
-llvm-profdata-14 merge -sparse *.profraw -o default.profdata
-llvm-cov-14 show fuzzer -instr-profile=default.profdata -ignore-filename-regex="(fuzzing|third_party)" -format=html > coverage.html
-llvm-cov-14 report -instr-profile default.profdata fuzzer -ignore-filename-regex="(fuzzing|third_party)" -show-region-summary=false
+llvm-profdata-15 merge -sparse *.profraw -o default.profdata
+llvm-cov-15 show fuzzer -instr-profile=default.profdata -ignore-filename-regex="(fuzzing|third_party)" -format=html > coverage.html
+llvm-cov-15 report -instr-profile default.profdata fuzzer -ignore-filename-regex="(fuzzing|third_party)" -show-region-summary=false
 
 if [ ! -z ${1:-} ]; then 
     THRESHOLD=$1
-    TOTAL=$(llvm-cov-14 report -instr-profile default.profdata fuzzer -ignore-filename-regex="(fuzzing|third_party)" -show-region-summary=false | grep TOTAL)
+    TOTAL=$(llvm-cov-15 report -instr-profile default.profdata fuzzer -ignore-filename-regex="(fuzzing|third_party)" -show-region-summary=false | grep TOTAL)
     ARRAY=($TOTAL)
     COVERAGE=$(echo ${ARRAY[3]} | sed -e "s/\.[[:digit:]]*%//g")