DeforaNetworks/deepstate
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Now recalls pos, does 4/8 removes

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Alex Groce 2019-05-19 11:31:31 -07:00 committed by GitHub
parent 7cd1eda6ba
commit 6607ceb85e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 68 additions and 4 deletions
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72
bin/deepstate/reducer.py
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@ -189,7 +189,7 @@ def main():
initialSize = float(len(currentTest)) initialSize = float(len(currentTest))
iteration = 0 iteration = 0
changed = True changed = True
rangeRemovePos = 0 rangeRemovePos = 0
byteReducePos = 0 byteReducePos = 0
@ -230,6 +230,23 @@ def main():
if changed: if changed:
break break
if (not args.fast) and (not changed):
for b in range(0, rangeRemovePos):
if args.verbose:
print("TRYING BYTE RANGE REMOVAL FROM BYTE", str(b) + "...")
for v in range(b+1, len(currentTest)):
newTest = currentTest[:b] + currentTest[v:]
r = writeAndRunCandidate(newTest)
if checks(r):
print("BYTE RANGE REMOVAL REDUCED TEST TO", len(newTest), "BYTES")
rangeRemovePos = b
changed = True
break
if changed:
break
rangeRemovePos = 0
if not changed: if not changed:
if args.verbose: if args.verbose:
print("TRYING ONEOF SWAPPING...") print("TRYING ONEOF SWAPPING...")
@ -260,7 +277,7 @@ def main():
if not changed: if not changed:
if args.verbose: if args.verbose:
print("TRYING BYTE REDUCTIONS...") print("TRYING BYTE REDUCTIONS...")
for b in range(0, len(currentTest)): for b in range(byteReducePos, len(currentTest)):
for v in range(0, currentTest[b]): for v in range(0, currentTest[b]):
newTest = bytearray(currentTest) newTest = bytearray(currentTest)
newTest[b] = v newTest[b] = v
@ -268,14 +285,31 @@ def main():
if checks(r): if checks(r):
print("BYTE REDUCTION: BYTE", b, "FROM", currentTest[b], "TO", v) print("BYTE REDUCTION: BYTE", b, "FROM", currentTest[b], "TO", v)
changed = True changed = True
byteReducePos = b+1
break break
if changed: if changed:
break break
if not changed:
for b in range(0, byteReducePos):
for v in range(0, currentTest[b]):
newTest = bytearray(currentTest)
newTest[b] = v
r = writeAndRunCandidate(newTest)
if checks(r):
print("BYTE REDUCTION: BYTE", b, "FROM", currentTest[b], "TO", v)
changed = True
byteReducePos = b+1
break
if changed:
break
byteReducePos = 0
if not changed: if not changed:
if args.verbose: if args.verbose:
print("TRYING BYTE REDUCE AND DELETES...") print("TRYING BYTE REDUCE AND DELETE...")
for b in range(0, len(currentTest)): for b in range(0, len(currentTest)-1):
if currentTest[b] == 0: if currentTest[b] == 0:
continue continue
newTest = bytearray(currentTest) newTest = bytearray(currentTest)
@ -287,6 +321,36 @@ def main():
changed = True changed = True
break break
if not changed:
if args.verbose:
print("TRYING BYTE REDUCE AND DELETE 4...")
for b in range(0, len(currentTest)-5):
if currentTest[b] == 0:
continue
newTest = bytearray(currentTest)
newTest[b] = currentTest[b]-1
newTest = newTest[:b+1] + newTest[b+5:]
r = writeAndRunCandidate(newTest)
if checks(r):
print("BYTE REDUCE AND DELETE 4 AT BYTE", b)
changed = True
break
if not changed:
if args.verbose:
print("TRYING BYTE REDUCE AND DELETE 8...")
for b in range(0, len(currentTest)-9):
if currentTest[b] == 0:
continue
newTest = bytearray(currentTest)
newTest[b] = currentTest[b]-1
newTest = newTest[:b+1] + newTest[b+9:]
r = writeAndRunCandidate(newTest)
if checks(r):
print("BYTE REDUCE AND DELETE 8 AT BYTE", b)
changed = True
break
if (not args.fast) and (not changed): if (not args.fast) and (not changed):
for b1 in range(0, len(currentTest)-4): for b1 in range(0, len(currentTest)-4):
if args.verbose: if args.verbose: