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|
#!/bin/bash -x
#
# Wrapper around mallocfail
#
# This is still experimental and most likely will not work on your system.
#
PROJECT_ROOT=$(dirname "$(dirname "$(realpath "$0")")")
SLEEP=0.5s
DETOX="$PROJECT_ROOT/src/detox"
if [ ! -f "$DETOX" ] ; then
cd "$PROJECT_ROOT" || exit
make
fi
# --------------------------------------------------------
# onboard mallocfail
# --------------------------------------------------------
MALLOCFAIL=/tmp/detoxtest/mallocfail/
MALLOCFAILSO=$MALLOCFAIL/mallocfail.so
if [ ! -d "$MALLOCFAIL" ] ; then
cd /tmp || exit
mkdir -p detoxtest
cd detoxtest || exit
git clone https://github.com/ralight/mallocfail.git
cd mallocfail || exit
make
else
if [ ! -f "$MALLOCFAILSO" ] ; then
cd "$MALLOCFAIL" || exit
make clean && make
fi
fi
if [ ! -f "$MALLOCFAILSO" ] ; then
echo "could not find $MALLOCFAILSO"
exit 1
fi
cd "$PROJECT_ROOT" || exit
# --------------------------------------------------------
BASE="/tmp/detoxtest/$(date +"%Y%m%d")"
if [ ! -d "$BASE" ] ; then
mkdir -p "$BASE"
fi
WORK=$(realpath "$(mktemp -d "$BASE"/test-mallocfail-XXXXXX)")
FAIL=$WORK/fail
mkdir -p "$FAIL"
MALLOCFAIL_FILE=$WORK/hashes.txt
export MALLOCFAIL_FILE
MALLOCFAIL_DEBUG=1
export MALLOCFAIL_DEBUG
MALLOCFAIL_FAIL_COUNT=1
export MALLOCFAIL_FAIL_COUNT
COUNT=0
while true ; do
OUTPUT="$WORK/pass-$(printf "%04d" $COUNT).txt"
echo "iteration $COUNT"
# LD_PRELOAD=$MALLOCFAILSO $DETOX -L -v > $OUTPUT
# LD_PRELOAD=$MALLOCFAILSO $DETOX -f "$PROJECT_ROOT"/etc/detoxrc -L -v > $OUTPUT
# dmesg | LD_PRELOAD=$MALLOCFAILSO $DETOX -s utf_8-legacy -f "$PROJECT_ROOT"/etc/detoxrc --inline > $OUTPUT
LD_PRELOAD=$MALLOCFAILSO $DETOX -s utf_8-legacy -f "$PROJECT_ROOT"/etc/detoxrc --dry-run --recursive /tmp > "$OUTPUT"
EXIT=$?
if [ "$EXIT" -eq "139" ] ; then
cat "$OUTPUT"
echo "segfault"
cp "$OUTPUT" "$FAIL"/
sleep $SLEEP
fi
if [ "$EXIT" -eq "0" ] ; then
cat "$OUTPUT"
if [ "$(grep -ci "Start trace" "$OUTPUT")" -gt "0" ] ; then
echo "malloc failed but the script didn't exit"
if [ "$(grep -ci "stdio2/printf" "$OUTPUT")" -gt "0" ] ; then
echo "printf caused this one..."
fi
cp "$OUTPUT" "$FAIL"/
sleep $SLEEP
else
echo "all tests passed"
break
fi
fi
COUNT=$((COUNT+1))
done
ls -al "$FAIL"
|
