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z3/contrib/ci/scripts/sanitizer_env.sh

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# This script is intended to be included by other
# scripts and should not be executed directly
: ${Z3_SRC_DIR?"Z3_SRC_DIR must be specified"}
: ${ASAN_BUILD?"ASAN_BUILD must be specified"}
: ${UBSAN_BUILD?"UBSAN_BUILD must be specified"}
if [ "X${ASAN_BUILD}" = "X1" ]; then
# Use suppression files
export LSAN_OPTIONS="suppressions=${Z3_SRC_DIR}/contrib/suppressions/sanitizers/lsan.txt"
# NOTE: If you get bad stacktraces try using `fast_unwind_on_malloc=0`
# NOTE: `malloc_context_size` controls size of recorded stacktrace for allocations.
# If the reported stacktraces appear incomplete try increasing the value.
export ASAN_OPTIONS="malloc_context_size=100,suppressions=${Z3_SRC_DIR}/contrib/suppressions/sanitizers/asan.txt"
: ${SANITIZER_PRINT_SUPPRESSIONS?"SANITIZER_PRINT_SUPPRESSIONS must be specified"}
if [ "X${SANITIZER_PRINT_SUPPRESSIONS}" = "X1" ]; then
export LSAN_OPTIONS="${LSAN_OPTIONS},print_suppressions=1"
export ASAN_OPTIONS="${ASAN_OPTIONS},print_suppressions=1"
else
export LSAN_OPTIONS="${LSAN_OPTIONS},print_suppressions=0"
export ASAN_OPTIONS="${ASAN_OPTIONS},print_suppressions=0"
fi
: ${ASAN_SYMBOLIZER_PATH?"ASAN_SYMBOLIZER_PATH must be specified"}
# Run command without checking for leaks
function run_no_lsan() {
ASAN_OPTIONS="${ASAN_OPTIONS},detect_leaks=0" "${@}"
}
# Check path to ASan DSO
: ${ASAN_DSO?"ASAN_DSO must be specified"}
if [ ! -e "${ASAN_DSO}" ]; then
echo "ASAN_DSO (${ASAN_DSO}) does not exist"
exit 1
fi
# FIXME: We'll need to refactor this when we can do UBSan builds
# against a UBSan DSO.
function run_non_native_binding() {
# We need to preload the ASan DSO that libz3
# will have undefined references to.
# Don't run leak checking because we get lots reported leaks
# in the language runtime (e.g. python).
PLATFORM="$(uname -s)"
case "${PLATFORM}" in
Linux*)
LD_PRELOAD="${ASAN_DSO}" run_no_lsan "${@}"
;;
Darwin*)
DYLD_INSERT_LIBRARIES="${ASAN_DSO}" run_no_lsan "${@}"
;;
*)
echo "Unknown platform \"${PLATFORM}\""
exit 1
;;
esac
unset PLATFORM
}
else
# In non-ASan build just run directly
function run_no_lsan() {
"${@}"
}
function run_non_native_binding() {
"${@}"
}
fi
if [ "X${UBSAN_BUILD}" = "X1" ]; then
# `halt_on_error=1,abort_on_error=1` means that on the first UBSan error
# the program will terminate by calling `abort(). Without this UBSan will
# allow execution to continue. We also use a suppression file.
export UBSAN_OPTIONS="halt_on_error=1,abort_on_error=1,suppressions=${Z3_SRC_DIR}/contrib/suppressions/sanitizers/ubsan.txt"
: ${SANITIZER_PRINT_SUPPRESSIONS?"SANITIZER_PRINT_SUPPRESSIONS must be specified"}
if [ "X${SANITIZER_PRINT_SUPPRESSIONS}" = "X1" ]; then
export UBSAN_OPTIONS="${UBSAN_OPTIONS},print_suppressions=1"
else
export UBSAN_OPTIONS="${UBSAN_OPTIONS},print_suppressions=0"
fi
fi