1#!/bin/bash 2# Copyright 2016 the V8 project authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6# A simple harness that downloads and runs 'jsfunfuzz' against d8. This 7# takes a long time because it runs many iterations and is intended for 8# automated usage. The package containing 'jsfunfuzz' can be found as an 9# attachment to this bug: 10# https://bugzilla.mozilla.org/show_bug.cgi?id=jsfunfuzz 11 12JSFUNFUZZ_URL="https://bugzilla.mozilla.org/attachment.cgi?id=310631" 13JSFUNFUZZ_MD5="d0e497201c5cd7bffbb1cdc1574f4e32" 14 15v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../../) 16jsfunfuzz_dir="$v8_root/tools/jsfunfuzz" 17cd "$jsfunfuzz_dir" 18 19if [ -n "$1" ]; then 20 d8="${v8_root}/$1" 21else 22 d8="${v8_root}/d8" 23fi 24 25if [ ! -f "$d8" ]; then 26 echo "Failed to find d8 binary: $d8" 27 exit 1 28fi 29 30# Deprecated download method. A prepatched archive is downloaded as a hook 31# if jsfunfuzz=1 is specified as a gyp flag. Requires google.com authentication 32# for google storage. 33if [ "$3" == "--download" ]; then 34 35 jsfunfuzz_file="$v8_root/tools/jsfunfuzz.zip" 36 if [ ! -f "$jsfunfuzz_file" ]; then 37 echo "Downloading $jsfunfuzz_file ..." 38 wget -q -O "$jsfunfuzz_file" $JSFUNFUZZ_URL || exit 1 39 fi 40 41 jsfunfuzz_sum=$(md5sum "$jsfunfuzz_file" | awk '{ print $1 }') 42 if [ $jsfunfuzz_sum != $JSFUNFUZZ_MD5 ]; then 43 echo "Failed to verify checksum!" 44 exit 1 45 fi 46 47 if [ ! -d "$jsfunfuzz_dir" ]; then 48 echo "Unpacking into $jsfunfuzz_dir ..." 49 unzip "$jsfunfuzz_file" -d "$jsfunfuzz_dir" || exit 1 50 echo "Patching runner ..." 51 cat << EOF | patch -s -p0 -d "$v8_root" 52--- tools/jsfunfuzz/jsfunfuzz/multi_timed_run.py~ 53+++ tools/jsfunfuzz/jsfunfuzz/multi_timed_run.py 54@@ -118,19 +118,19 @@ 55-def showtail(logfilename): 56+def showtail(logfilename, method="tail"): 57- cmd = "tail -n 20 %s" % logfilename 58+ cmd = "%s -n 20 %s" % (method, logfilename) 59 print cmd 60 print "" 61 os.system(cmd) 62 print "" 63 print "" 64 65 def many_timed_runs(): 66 iteration = 0 67- while True: 68+ while iteration < 100: 69 iteration += 1 70 logfilename = "w%d" % iteration 71 one_timed_run(logfilename) 72 if not succeeded(logfilename): 73 showtail(logfilename) 74- showtail("err-" + logfilename) 75+ showtail("err-" + logfilename, method="head") 76 77 many_timed_runs() 78EOF 79 fi 80 81fi 82 83flags='--expose-gc --verify-gc' 84python -u "$jsfunfuzz_dir/jsfunfuzz/multi_timed_run.py" 300 \ 85 "$d8" $flags "$jsfunfuzz_dir/jsfunfuzz/jsfunfuzz.js" 86exit_code=$(cat w* | grep " looking good" -c) 87exit_code=$((100-exit_code)) 88 89if [ -n "$2" ]; then 90 archive="$2" 91else 92 archive=fuzz-results-$(date +%Y%m%d%H%M%S).tar.bz2 93fi 94echo "Creating archive $archive" 95tar -cjf $archive err-* w* 96rm -f err-* w* 97 98echo "Total failures: $exit_code" 99exit $exit_code 100