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Fuzz test : Add -a(SAN) option to disable ulimit when fuzzing 

from https://code.google.com/p/address-sanitizer/wiki/AddressSanitizer#ulimit_-v
The ulimit -v command makes little sense with ASan-ified binaries because ASan consumes 20 terabytes of virtual memory (plus a bit).

Change-Id: I8c8c77dd51d5440fb2f9bd95f90873e59a64d409
Reviewed-on: https://code.wireshark.org/review/7204
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Evan Huus <eapache@gmail.com>
This commit is contained in:
Alexis La Goutte 2015-02-17 19:32:38 +01:00 committed by Evan Huus
parent 763b6d3251
commit efd53ad5c9
1 changed files with 13 additions and 3 deletions
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16
tools/fuzz-test.sh
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@ -45,14 +45,18 @@ CONFIG_PROFILE=
# Run under valgrind ?
VALGRIND=0
# Run under AddressSanitizer ?
ASAN=0
# The maximum permitted amount of memory leaked. Eventually this should be
# worked down to zero, but right now that would fail on every single capture.
# Only has effect when running under valgrind.
MAX_LEAK=`expr 1024 \* 100`
# To do: add options for file names and limits
while getopts ":2b:C:d:e:gp:P:" OPTCHAR ; do
while getopts "2b:C:d:e:agp:P:" OPTCHAR ; do
case $OPTCHAR in
a) ASAN=1 ;;
2) TWO_PASS="-2 " ;;
b) BIN_DIR=$OPTARG ;;
C) CONFIG_PROFILE="-C $OPTARG " ;;
@ -109,7 +113,7 @@ if [ $FOUND -eq 0 ] ; then
cat <<FIN
Error: No valid capture files found.
Usage: `basename $0` [-2] [-b bin_dir] [-C config_profile] [-d work_dir] [-e error probability] [-g] [-p passes] capture file 1 [capture file 2]...
Usage: `basename $0` [-2] [-b bin_dir] [-C config_profile] [-d work_dir] [-e error probability] [-g] [-a] [-p passes] capture file 1 [capture file 2]...
FIN
exit 1
fi
@ -188,9 +192,15 @@ while [ \( $PASS -lt $MAX_PASSES -o $MAX_PASSES -lt 1 \) -a $DONE -ne 1 ] ; do
# longer then MAX_CPU_TIME seconds. (ulimit may not be supported
# well on some platforms, particularly cygwin.)
(
ulimit -S -t $MAX_CPU_TIME -v $MAX_VMEM -s $MAX_STACK
ulimit -S -t $MAX_CPU_TIME -s $MAX_STACK
ulimit -c unlimited
# Don't enable ulimit -v when use ASAN see
# https://code.google.com/p/address-sanitizer/wiki/AddressSanitizer#ulimit_-v
if [ $ASAN -eq 0 ]; then
ulimit -v $MAX_VMEM
fi
"$RUNNER" $COMMON_ARGS $ARGS $TMP_DIR/$TMP_FILE \
> /dev/null 2>> $TMP_DIR/$ERR_FILE
)