def __init__(self, options, runthis, logPrefix, inCompareJIT):
pathToBinary = runthis[0]
# This relies on the shell being a local one from compileShell.py:
# Ignore trailing ".exe" in Win, also abspath makes it work w/relative paths like './js'
pc = ProgramConfiguration.fromBinary(
os.path.abspath(pathToBinary).split('.')[0])
pc.addProgramArguments(runthis[1:-1])
if options.valgrind:
runthis = (inspectShell.constructVgCmdList(
errorCode=VALGRIND_ERROR_EXIT_CODE) +
valgrindSuppressions(options.knownPath) + runthis)
preexec_fn = ulimitSet if os.name == 'posix' else None
runinfo = timed_run.timed_run(runthis,
options.timeout,
logPrefix,
preexec_fn=preexec_fn)
lev = JS_FINE
issues = []
auxCrashData = []
# FuzzManager expects a list of strings rather than an iterable, so bite the
# bullet and 'readlines' everything into memory.
with open(logPrefix + "-out.txt") as f:
out = f.readlines()
with open(logPrefix + "-err.txt") as f:
err = f.readlines()
if options.valgrind and runinfo.return_code == VALGRIND_ERROR_EXIT_CODE:
issues.append("valgrind reported an error")
lev = max(lev, JS_VG_AMISS)
valgrindErrorPrefix = "==" + str(runinfo.pid) + "=="
for line in err:
if valgrindErrorPrefix and line.startswith(
valgrindErrorPrefix):
issues.append(line.rstrip())
elif runinfo.sta == timed_run.CRASHED:
if sps.grabCrashLog(runthis[0], runinfo.pid, logPrefix, True):
with open(logPrefix + "-crash.txt") as f:
auxCrashData = [line.strip() for line in f.readlines()]
elif detect_malloc_errors.amiss(logPrefix):
issues.append("malloc error")
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
elif runinfo.return_code == 0 and not inCompareJIT:
# We might have(??) run jsfunfuzz directly, so check for special kinds of bugs
for line in out:
if line.startswith("Found a bug: ") and not ("NestTest" in line
and oomed(err)):
lev = JS_DECIDED_TO_EXIT
issues.append(line.rstrip())
if options.shellIsDeterministic and not understoodJsfunfuzzExit(
out, err) and not oomed(err):
issues.append("jsfunfuzz didn't finish")
lev = JS_DID_NOT_FINISH
# Copy non-crash issues to where FuzzManager's "AssertionHelper.py" can see it.
if lev != JS_FINE:
for issue in issues:
err.append("[Non-crash bug] " + issue)
# Finally, make a CrashInfo object and parse stack traces for asan/crash/assertion bugs
crashInfo = CrashInfo.CrashInfo.fromRawCrashData(
out, err, pc, auxCrashData=auxCrashData)
createCollector.printCrashInfo(crashInfo)
# We only care about crashes and assertion failures on shells with no symbols
# Note that looking out for the Assertion failure message is highly SpiderMonkey-specific
if not isinstance(crashInfo, CrashInfo.NoCrashInfo) or \
'Assertion failure: ' in str(crashInfo.rawStderr) or \
'Segmentation fault' in str(crashInfo.rawStderr) or \
'Bus error' in str(crashInfo.rawStderr):
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
match = options.collector.search(crashInfo)
if match[0] is not None:
createCollector.printMatchingSignature(match)
lev = JS_FINE
print("%s | %s" %
(logPrefix, summaryString(issues, lev, runinfo.elapsedtime)))
if lev != JS_FINE:
fileManipulation.writeLinesToFile([
'Number: ' + logPrefix + '\n',
'Command: ' + sps.shellify(runthis) + '\n'
] + ['Status: ' + i + "\n" for i in issues],
logPrefix + '-summary.txt')
self.lev = lev
self.out = out
self.err = err
self.issues = issues
self.crashInfo = crashInfo
self.match = match
self.runinfo = runinfo
self.return_code = runinfo.return_code
def baseLevel(runthis, timeout, knownPath, logPrefix, valgrind=False):
if valgrind:
runthis = (
inspectShell.constructVgCmdList(errorCode=VALGRIND_ERROR_EXIT_CODE)
+ valgrindSuppressions(knownPath)
+ runthis
)
preexec_fn = ulimitSet if os.name == "posix" else None
runinfo = timedRun.timed_run(runthis, timeout, logPrefix, preexec_fn=preexec_fn)
sta = runinfo.sta
if sta == timedRun.CRASHED:
sps.grabCrashLog(runthis[0], runinfo.pid, logPrefix, True)
lev = JS_FINE
issues = []
sawAssertion = False
if detect_malloc_errors.amiss(logPrefix):
issues.append("malloc error")
lev = max(lev, JS_MALLOC_ERROR)
if valgrind and runinfo.rc == VALGRIND_ERROR_EXIT_CODE:
issues.append("valgrind reported an error")
lev = max(lev, JS_VG_AMISS)
valgrindErrorPrefix = "==" + str(runinfo.pid) + "=="
else:
valgrindErrorPrefix = None
def printNote(note):
print "%%% " + note
crashWatcher = detect_crashes.CrashWatcher(knownPath, False, printNote)
with open(logPrefix + "-err.txt", "rb") as err:
for line in err:
assertionSeverity, assertionIsNew = detect_assertions.scanLine(knownPath, line)
crashWatcher.processOutputLine(line.rstrip())
if assertionIsNew:
issues.append(line.rstrip())
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
if assertionSeverity == detect_assertions.FATAL_ASSERT:
sawAssertion = True
lev = max(lev, JS_KNOWN_CRASH)
if valgrindErrorPrefix and line.startswith(valgrindErrorPrefix):
issues.append(line.rstrip())
if sta == timedRun.CRASHED and not sawAssertion:
crashWatcher.readCrashLog(logPrefix + "-crash.txt")
if sawAssertion:
# Ignore the crash log, since we've already seen a new assertion failure.
pass
elif crashWatcher.crashProcessor:
crashFrom = " (from " + crashWatcher.crashProcessor + ")"
if crashWatcher.crashIsKnown:
issues.append("known crash" + crashFrom)
lev = max(lev, JS_KNOWN_CRASH)
else:
issues.append("unknown crash" + crashFrom)
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
elif sta == timedRun.TIMED_OUT:
issues.append("timed out")
lev = max(lev, JS_TIMED_OUT)
elif sta == timedRun.ABNORMAL and not (valgrind and runinfo.rc == VALGRIND_ERROR_EXIT_CODE):
issues.append("abnormal exit")
lev = max(lev, JS_ABNORMAL_EXIT)
return (lev, issues, runinfo)
def __init__(self, options, runthis, logPrefix, inCompareJIT):
pathToBinary = runthis[0]
# This relies on the shell being a local one from compileShell.py:
pc = ProgramConfiguration.fromBinary(pathToBinary.split('.')[0]) # Ignore trailing ".exe" in Win
pc.addProgramArguments(runthis[1:-1])
if options.valgrind:
runthis = (
inspectShell.constructVgCmdList(errorCode=VALGRIND_ERROR_EXIT_CODE) +
valgrindSuppressions(options.knownPath) +
runthis)
preexec_fn = ulimitSet if os.name == 'posix' else None
runinfo = timedRun.timed_run(runthis, options.timeout, logPrefix, preexec_fn=preexec_fn)
lev = JS_FINE
issues = []
auxCrashData = []
# FuzzManager expects a list of strings rather than an iterable, so bite the
# bullet and 'readlines' everything into memory.
with open(logPrefix + "-out.txt") as f:
out = f.readlines()
with open(logPrefix + "-err.txt") as f:
err = f.readlines()
if options.valgrind and runinfo.rc == VALGRIND_ERROR_EXIT_CODE:
issues.append("valgrind reported an error")
lev = max(lev, JS_VG_AMISS)
valgrindErrorPrefix = "==" + str(runinfo.pid) + "=="
for line in err:
if valgrindErrorPrefix and line.startswith(valgrindErrorPrefix):
issues.append(line.rstrip())
elif runinfo.sta == timedRun.CRASHED:
if sps.grabCrashLog(runthis[0], runinfo.pid, logPrefix, True):
with open(logPrefix + "-crash.txt") as f:
auxCrashData = [line.strip() for line in f.readlines()]
elif detect_malloc_errors.amiss(logPrefix):
issues.append("malloc error")
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
elif runinfo.rc == 0 and not inCompareJIT:
# We might have(??) run jsfunfuzz directly, so check for special kinds of bugs
for line in out:
if line.startswith("Found a bug: ") and not ("NestTest" in line and oomed(err)):
lev = JS_DECIDED_TO_EXIT
issues.append(line.rstrip())
if options.shellIsDeterministic and not understoodJsfunfuzzExit(out, err) and not oomed(err):
issues.append("jsfunfuzz didn't finish")
lev = JS_DID_NOT_FINISH
# Copy non-crash issues to where FuzzManager's "AssertionHelper.py" can see it.
if lev != JS_FINE:
for issue in issues:
err.append("[Non-crash bug] " + issue)
# Finally, make a CrashInfo object and parse stack traces for asan/crash/assertion bugs
crashInfo = CrashInfo.CrashInfo.fromRawCrashData(out, err, pc, auxCrashData=auxCrashData)
createCollector.printCrashInfo(crashInfo)
if not isinstance(crashInfo, CrashInfo.NoCrashInfo):
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
match = options.collector.search(crashInfo)
if match[0] is not None:
createCollector.printMatchingSignature(match)
lev = JS_FINE
print logPrefix + " | " + summaryString(issues, lev, runinfo.elapsedtime)
if lev != JS_FINE:
fileManipulation.writeLinesToFile(
['Number: ' + logPrefix + '\n',
'Command: ' + sps.shellify(runthis) + '\n'] +
['Status: ' + i + "\n" for i in issues],
logPrefix + '-summary.txt')
self.lev = lev
self.out = out
self.err = err
self.issues = issues
self.crashInfo = crashInfo
self.match = match
self.runinfo = runinfo
self.rc = runinfo.rc
def baseLevel(runthis, timeout, knownPath, logPrefix, valgrind=False):
if valgrind:
runthis = (inspectShell.constructVgCmdList(
errorCode=VALGRIND_ERROR_EXIT_CODE) +
valgrindSuppressions(knownPath) + runthis)
preexec_fn = ulimitSet if os.name == 'posix' else None
runinfo = timedRun.timed_run(runthis,
timeout,
logPrefix,
preexec_fn=preexec_fn)
sta = runinfo.sta
if sta == timedRun.CRASHED:
sps.grabCrashLog(runthis[0], runinfo.pid, logPrefix, True)
lev = JS_FINE
issues = []
sawAssertion = False
if detect_malloc_errors.amiss(logPrefix):
issues.append("malloc error")
lev = max(lev, JS_MALLOC_ERROR)
if valgrind and runinfo.rc == VALGRIND_ERROR_EXIT_CODE:
issues.append("valgrind reported an error")
lev = max(lev, JS_VG_AMISS)
valgrindErrorPrefix = "==" + str(runinfo.pid) + "=="
else:
valgrindErrorPrefix = None
def printNote(note):
print "%%% " + note
crashWatcher = detect_crashes.CrashWatcher(knownPath, False, printNote)
with open(logPrefix + "-err.txt", "rb") as err:
for line in err:
assertionSeverity, assertionIsNew = detect_assertions.scanLine(
knownPath, line)
crashWatcher.processOutputLine(line.rstrip())
if assertionIsNew:
issues.append(line.rstrip())
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
if assertionSeverity == detect_assertions.FATAL_ASSERT:
sawAssertion = True
lev = max(lev, JS_KNOWN_CRASH)
if valgrindErrorPrefix and line.startswith(valgrindErrorPrefix):
issues.append(line.rstrip())
if sta == timedRun.CRASHED and not sawAssertion:
crashWatcher.readCrashLog(logPrefix + "-crash.txt")
if sawAssertion:
# Ignore the crash log, since we've already seen a new assertion failure.
pass
elif crashWatcher.crashProcessor:
crashFrom = " (from " + crashWatcher.crashProcessor + ")"
if crashWatcher.crashIsKnown:
issues.append("known crash" + crashFrom)
lev = max(lev, JS_KNOWN_CRASH)
else:
issues.append("unknown crash" + crashFrom)
lev = max(lev, JS_NEW_ASSERT_OR_CRASH)
elif sta == timedRun.TIMED_OUT:
issues.append("timed out")
lev = max(lev, JS_TIMED_OUT)
elif sta == timedRun.ABNORMAL and not (valgrind and runinfo.rc
== VALGRIND_ERROR_EXIT_CODE):
issues.append("abnormal exit")
lev = max(lev, JS_ABNORMAL_EXIT)
return (lev, issues, runinfo)