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* fuzz/README.md: Update clang instructions

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This commit is contained in:
Tim Rühsen 2019-12-11 11:54:11 +01:00
parent dd710bde96
commit ed135257b2
1 changed files with 5 additions and 4 deletions

9
fuzz/README.md
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@ -14,10 +14,11 @@ regression testing with top dir 'make check' or 'make check-valgrind'.
Use the following commands on top dir:
```
export CC=clang-6.0
export CXX=clang++-6.0
export CC=clang
export CXX=clang++
# address sanitizer:
export CFLAGS="-O1 -g -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined,integer,nullability -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp"
#export CFLAGS="-O1 -g -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined,integer,nullability -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp"
export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
# undefined sanitizer;
export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=bool,array-bounds,float-divide-by-zero,function,integer-divide-by-zero,return,shift,signed-integer-overflow,vla-bound,vptr -fno-sanitize-recover=bool,array-bounds,float-divide-by-zero,function,integer-divide-by-zero,return,shift,signed-integer-overflow,vla-bound,vptr -fsanitize=fuzzer-no-link"
export CXXFLAGS="$CFLAGS -stdlib=libc++"
@ -28,7 +29,7 @@ make -j$(nproc)
cd fuzz
# run wget_options_fuzzer
UBSAN_OPTIONS=print_stacktrace=1 ASAN_SYMBOLIZER_PATH=/usr/lib/llvm-6.0/bin/llvm-symbolizer \
UBSAN_OPTIONS=print_stacktrace=1 ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer \
./run-clang.sh wget_options_fuzzer
```