fuzz wednesday
Add debug 'skip assert' access to SkCoincidentSpans. That permits suppressing asserts to make it easier to detect when this fuzz data generates unparsable data. TBR=reed@google.com BUG=631564, 631992 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2186973002 Review-Url: https://codereview.chromium.org/2186973002
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caryclark
Commit bot
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570c868b38
commit
fc560e09b3
@ -261,7 +261,7 @@ void SkOpCoincidence::add(SkOpPtT* coinPtTStart, SkOpPtT* coinPtTEnd, SkOpPtT* o
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DebugCheckAdd(fTop, coinPtTStart, coinPtTEnd, oppPtTStart, oppPtTEnd);
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SkCoincidentSpans* coinRec = SkOpTAllocator<SkCoincidentSpans>::Allocate(
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this->globalState()->allocator());
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coinRec->init();
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coinRec->init(SkDEBUGCODE(fGlobalState));
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coinRec->set(this->fHead, coinPtTStart, coinPtTEnd, oppPtTStart, oppPtTEnd
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SkDEBUGPARAMS(fGlobalState->nextCoinID()));
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fHead = coinRec;
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@ -334,6 +334,9 @@ bool SkOpCoincidence::addEndMovedSpans(const SkOpSpan* base, const SkOpSpanBase*
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// description below
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bool SkOpCoincidence::addEndMovedSpans(const SkOpPtT* ptT) {
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if (!ptT->span()->upCastable()) {
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return false;
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}
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const SkOpSpan* base = ptT->span()->upCast();
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const SkOpSpan* prev = base->prev();
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if (!prev) {
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@ -1368,6 +1371,9 @@ bool SkOpCoincidence::mark() {
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SkOpSpanBase* next = start;
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SkOpSpanBase* oNext = oStart;
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while ((next = next->upCast()->next()) != end) {
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if (!next->upCastable()) {
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return false;
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}
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if (!next->upCast()->insertCoincidence(oSegment, flipped)) {
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return false;
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}
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@ -49,7 +49,13 @@ public:
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bool extend(const SkOpPtT* coinPtTStart, const SkOpPtT* coinPtTEnd,
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const SkOpPtT* oppPtTStart, const SkOpPtT* oppPtTEnd);
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bool flipped() const { return fOppPtTStart->fT > fOppPtTEnd->fT; }
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void init() { sk_bzero(this, sizeof(*this)); }
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SkDEBUGCODE(SkOpGlobalState* globalState() { return fGlobalState; })
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void init(SkDEBUGCODE(SkOpGlobalState* globalState)) {
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sk_bzero(this, sizeof(*this));
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SkDEBUGCODE(fGlobalState = globalState);
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}
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const SkOpPtT* oppPtTStart() const { return fOppPtTStart; }
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const SkOpPtT* oppPtTEnd() const { return fOppPtTEnd; }
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// These return non-const pointers so that, as copies, they can be added
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@ -66,7 +72,7 @@ public:
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SkDEBUGPARAMS(int id));
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void setCoinPtTEnd(const SkOpPtT* ptT) {
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SkASSERT(ptT == ptT->span()->ptT())
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SkOPASSERT(ptT == ptT->span()->ptT())
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SkASSERT(!fCoinPtTStart || ptT->fT != fCoinPtTStart->fT);
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SkASSERT(!fCoinPtTStart || fCoinPtTStart->segment() == ptT->segment());
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fCoinPtTEnd = ptT;
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@ -87,7 +93,7 @@ public:
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}
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void setOppPtTEnd(const SkOpPtT* ptT) {
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SkASSERT(ptT == ptT->span()->ptT())
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SkOPASSERT(ptT == ptT->span()->ptT())
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SkASSERT(!fOppPtTStart || ptT->fT != fOppPtTStart->fT);
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SkASSERT(!fOppPtTStart || fOppPtTStart->segment() == ptT->segment());
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fOppPtTEnd = ptT;
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@ -118,6 +124,7 @@ private:
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const SkOpPtT* fCoinPtTEnd;
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const SkOpPtT* fOppPtTStart;
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const SkOpPtT* fOppPtTEnd;
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SkDEBUGCODE(SkOpGlobalState* fGlobalState);
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SkDEBUGCODE(int fID);
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};
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@ -134,7 +134,7 @@ public:
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SkOpSegment* segment();
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void setCoincident() const {
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SkASSERT(!fDeleted);
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SkOPASSERT(!fDeleted);
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fCoincident = true;
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}
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@ -5364,6 +5364,7 @@ static void cubics_o(skiatest::Reporter* reporter, const char* filename) {
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testPathOp(reporter, path, pathB, kXOR_SkPathOp, filename);
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}
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static void (*skipTest)(skiatest::Reporter* , const char* filename) = 0;
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static void (*firstTest)(skiatest::Reporter* , const char* filename) = cubics_d3;
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static void (*stopTest)(skiatest::Reporter* , const char* filename) = 0;
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@ -6771,7 +6772,116 @@ path.lineTo(SkBits2Float(0x29c00321), SkBits2Float(0x5b4b7b13)); // 8.52706e-14
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testPathOpFailSkipAssert(reporter, path1, path2, (SkPathOp) 4, filename);
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}
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static void fuzz763_16(skiatest::Reporter* reporter, const char* filename) {
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SkPath path;
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path.setFillType((SkPath::FillType) 0);
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SkPath path1(path);
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path.reset();
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path.setFillType((SkPath::FillType) 0);
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path.moveTo(SkBits2Float(0x68556829), SkBits2Float(0x555b2d29)); // 4.03114e+24f, 1.50617e+13f
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path.moveTo(SkBits2Float(0x1f2a312a), SkBits2Float(0xc0032108)); // 3.60396e-20f, -2.04889f
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path.cubicTo(SkBits2Float(0x68372d55), SkBits2Float(0xf05b684b), SkBits2Float(0x8c552775), SkBits2Float(0x212a292a), SkBits2Float(0x0321082a), SkBits2Float(0x6a4b7bc0)); // 3.46012e+24f, -2.71613e+29f, -1.64208e-31f, 5.76527e-19f, 4.7323e-37f, 6.14991e+25f
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path.conicTo(SkBits2Float(0x212a8ced), SkBits2Float(0x0321081f), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x2829ed84), SkBits2Float(0x69555b2d)); // 5.77848e-19f, 4.7323e-37f, 6.14991e+25f, 9.43289e-15f, 1.61207e+25f
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0682955)); // 3.35016e+24f, -2.87402e+29f
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path.conicTo(SkBits2Float(0x212a1f5b), SkBits2Float(0x8cef552a), SkBits2Float(0x295b2d2a), SkBits2Float(0x68210368), SkBits2Float(0x7bc05508)); // 5.76397e-19f, -3.6875e-31f, 4.86669e-14f, 3.04146e+24f, 1.99729e+36f
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path.lineTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0682955)); // 3.35016e+24f, -2.87402e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0682955)); // 3.35016e+24f, -2.87402e+29f
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path.lineTo(SkBits2Float(0x5b2c6829), SkBits2Float(0x212a8c55)); // 4.85282e+16f, 5.7784e-19f
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path.moveTo(SkBits2Float(0x0321081f), SkBits2Float(0x6a4b7bc0)); // 4.7323e-37f, 6.14991e+25f
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path.conicTo(SkBits2Float(0x68385b2d), SkBits2Float(0x555bf055), SkBits2Float(0x2a1f2a8c), SkBits2Float(0x03212a21), SkBits2Float(0x5a4b7bc0)); // 3.48239e+24f, 1.51141e+13f, 1.41368e-13f, 4.7362e-37f, 1.43189e+16f
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path.conicTo(SkBits2Float(0xc08c2aed), SkBits2Float(0x211f2108), SkBits2Float(0x6a4b7b03), SkBits2Float(0x6829ed27), SkBits2Float(0x2d555b2d)); // -4.38024f, 5.3915e-19f, 6.14982e+25f, 3.20982e+24f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.conicTo(SkBits2Float(0x2a8c555b), SkBits2Float(0x6e2a1f72), SkBits2Float(0x0321082a), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x4793ed7a)); // 2.49282e-13f, 1.31626e+28f, 4.7323e-37f, 6.14991e+25f, 75739
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path.lineTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.quadTo(SkBits2Float(0x2128282a), SkBits2Float(0x3a8a3adf), SkBits2Float(0x8a284f1a), SkBits2Float(0x2c213ab3)); // 5.69738e-19f, 0.00105461f, -8.10378e-33f, 2.29121e-12f
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path.lineTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.quadTo(SkBits2Float(0x1d2a2928), SkBits2Float(0x43962be6), SkBits2Float(0x3a2a812a), SkBits2Float(0x2a8ced29)); // 2.25206e-21f, 300.343f, 0.000650423f, 2.50336e-13f
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path.lineTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.conicTo(SkBits2Float(0x03210831), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x681aed27), SkBits2Float(0x55555b2d), SkBits2Float(0x1e2a3a2a)); // 4.73231e-37f, 6.14991e+25f, 2.92648e+24f, 1.46617e+13f, 9.01175e-21f
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path.conicTo(SkBits2Float(0x27202140), SkBits2Float(0x3a3b2769), SkBits2Float(0xc4371f20), SkBits2Float(0xecc52a22), SkBits2Float(0x21512727)); // 2.22225e-15f, 0.000713936f, -732.486f, -1.90686e+27f, 7.08638e-19f
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path.lineTo(SkBits2Float(0x68315b2d), SkBits2Float(0xf0685527)); // 3.35016e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x6829523a), SkBits2Float(0x2d555b2d)); // 3.19839e+24f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68556829), SkBits2Float(0x555b2d29)); // 4.03114e+24f, 1.50617e+13f
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path.moveTo(SkBits2Float(0x1f2a322a), SkBits2Float(0xc0032108)); // 3.60404e-20f, -2.04889f
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path.cubicTo(SkBits2Float(0x68572d55), SkBits2Float(0xf05bd24b), SkBits2Float(0x8c55272d), SkBits2Float(0x212a292a), SkBits2Float(0x0321082a), SkBits2Float(0xed4b7bc0)); // 4.06458e+24f, -2.72126e+29f, -1.64207e-31f, 5.76527e-19f, 4.7323e-37f, -3.93594e+27f
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path.conicTo(SkBits2Float(0x212a8c6a), SkBits2Float(0x0329081f), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x2829ed84), SkBits2Float(0x2d555b2d)); // 5.77841e-19f, 4.9674e-37f, 6.14991e+25f, 9.43289e-15f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0682955)); // 3.33127e+24f, -2.87402e+29f
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path.conicTo(SkBits2Float(0x212a1f5b), SkBits2Float(0x8cef552a), SkBits2Float(0x295b2d2a), SkBits2Float(0x68210368), SkBits2Float(0x7bc05508)); // 5.76397e-19f, -3.6875e-31f, 4.86669e-14f, 3.04146e+24f, 1.99729e+36f
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path.lineTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0682955)); // 3.33127e+24f, -2.87402e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0682955)); // 3.33127e+24f, -2.87402e+29f
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path.lineTo(SkBits2Float(0x555b6829), SkBits2Float(0x6c212a8c)); // 1.50775e+13f, 7.79352e+26f
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path.conicTo(SkBits2Float(0x084b0321), SkBits2Float(0x6ac07b2a), SkBits2Float(0x395b2d7a), SkBits2Float(0x5bf05568), SkBits2Float(0x212a3a8c)); // 6.10918e-34f, 1.16348e+26f, 0.000209024f, 1.35296e+17f, 5.76757e-19f
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path.lineTo(SkBits2Float(0x8c558c55), SkBits2Float(0x212a1f2a)); // -1.64512e-31f, 5.76395e-19f
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SkPath path2(path);
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testPathOpFailSkipAssert(reporter, path1, path2, (SkPathOp) 0, filename);
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}
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static void fuzz763_17(skiatest::Reporter* reporter, const char* filename) {
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SkPath path;
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path.setFillType((SkPath::FillType) 0);
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SkPath path1(path);
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path.reset();
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path.setFillType((SkPath::FillType) 0);
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path.moveTo(SkBits2Float(0x68556829), SkBits2Float(0x555b2d29)); // 4.03114e+24f, 1.50617e+13f
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path.moveTo(SkBits2Float(0x1f2a312a), SkBits2Float(0xc0032108)); // 3.60396e-20f, -2.04889f
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path.cubicTo(SkBits2Float(0x68392d55), SkBits2Float(0xf05b684b), SkBits2Float(0x8c55272d), SkBits2Float(0x212a292a), SkBits2Float(0x0321082a), SkBits2Float(0x6a4b7bc0)); // 3.4979e+24f, -2.71613e+29f, -1.64207e-31f, 5.76527e-19f, 4.7323e-37f, 6.14991e+25f
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path.conicTo(SkBits2Float(0x212a8ced), SkBits2Float(0x0321081f), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x2829ed84), SkBits2Float(0x69555b2d)); // 5.77848e-19f, 4.7323e-37f, 6.14991e+25f, 9.43289e-15f, 1.61207e+25f
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path.moveTo(SkBits2Float(0x6835282d), SkBits2Float(0xf0682955)); // 3.42196e+24f, -2.87402e+29f
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path.conicTo(SkBits2Float(0x212a1f5b), SkBits2Float(0x2aef552a), SkBits2Float(0x68295b2d), SkBits2Float(0x08682103), SkBits2Float(0x4b7bc055)); // 5.76397e-19f, 4.2514e-13f, 3.19905e+24f, 6.98538e-34f, 1.64988e+07f
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path.lineTo(SkBits2Float(0x5b2c6829), SkBits2Float(0x212a8c55)); // 4.85282e+16f, 5.7784e-19f
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path.moveTo(SkBits2Float(0x0321081f), SkBits2Float(0x6a4b7bc0)); // 4.7323e-37f, 6.14991e+25f
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path.conicTo(SkBits2Float(0x68395b2d), SkBits2Float(0x555bf055), SkBits2Float(0x2a1f2a8c), SkBits2Float(0x03212a21), SkBits2Float(0x5a4b7bc0)); // 3.50128e+24f, 1.51141e+13f, 1.41368e-13f, 4.7362e-37f, 1.43189e+16f
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path.conicTo(SkBits2Float(0xc08c2aed), SkBits2Float(0x211f2108), SkBits2Float(0x6a4b7b03), SkBits2Float(0x6829ed27), SkBits2Float(0x2d555b2d)); // -4.38024f, 5.3915e-19f, 6.14982e+25f, 3.20982e+24f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0685527)); // 3.33127e+24f, -2.87614e+29f
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path.conicTo(SkBits2Float(0x2a8c555b), SkBits2Float(0x212a1f72), SkBits2Float(0x0321082a), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x254793ed)); // 2.49282e-13f, 5.76399e-19f, 4.7323e-37f, 6.14991e+25f, 1.73106e-16f
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path.quadTo(SkBits2Float(0x2128282a), SkBits2Float(0x3a8a3adf), SkBits2Float(0x8a284f1a), SkBits2Float(0xc2213ab3)); // 5.69738e-19f, 0.00105461f, -8.10378e-33f, -40.3073f
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path.quadTo(SkBits2Float(0x1d2a2928), SkBits2Float(0x43962be6), SkBits2Float(0x3a2a812a), SkBits2Float(0x2a8ced29)); // 2.25206e-21f, 300.343f, 0.000650423f, 2.50336e-13f
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path.lineTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0685527)); // 3.33127e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0685527)); // 3.33127e+24f, -2.87614e+29f
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path.conicTo(SkBits2Float(0x03210831), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x6829ed27), SkBits2Float(0x55555b2d), SkBits2Float(0x1e2a3a2a)); // 4.73231e-37f, 6.14991e+25f, 3.20982e+24f, 1.46617e+13f, 9.01175e-21f
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path.conicTo(SkBits2Float(0x27202140), SkBits2Float(0x3a3b2729), SkBits2Float(0xc4371f20), SkBits2Float(0x16c52a22), SkBits2Float(0x515d27ec)); // 2.22225e-15f, 0.000713932f, -732.486f, 3.18537e-25f, 5.93661e+10f
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path.lineTo(SkBits2Float(0x68305b2d), SkBits2Float(0xf0685527)); // 3.33127e+24f, -2.87614e+29f
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path.close();
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path.moveTo(SkBits2Float(0x6829523a), SkBits2Float(0x2d555b2d)); // 3.19839e+24f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68556829), SkBits2Float(0x555b2d29)); // 4.03114e+24f, 1.50617e+13f
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path.moveTo(SkBits2Float(0x1f2a312a), SkBits2Float(0xc0032108)); // 3.60396e-20f, -2.04889f
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path.cubicTo(SkBits2Float(0x68572d55), SkBits2Float(0xf05b684b), SkBits2Float(0x8c55272d), SkBits2Float(0x212a292a), SkBits2Float(0x0321082a), SkBits2Float(0x6a4b7bc0)); // 4.06458e+24f, -2.71613e+29f, -1.64207e-31f, 5.76527e-19f, 4.7323e-37f, 6.14991e+25f
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path.conicTo(SkBits2Float(0x212a8ced), SkBits2Float(0x0321081f), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x2829ed84), SkBits2Float(0x2d555b2d)); // 5.77848e-19f, 4.7323e-37f, 6.14991e+25f, 9.43289e-15f, 1.21279e-11f
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path.moveTo(SkBits2Float(0x68395b2d), SkBits2Float(0xf0682955)); // 3.50128e+24f, -2.87402e+29f
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path.lineTo(SkBits2Float(0x2a8c555b), SkBits2Float(0x2a212a1f)); // 2.49282e-13f, 1.43143e-13f
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path.lineTo(SkBits2Float(0x68395b2d), SkBits2Float(0xf0682955)); // 3.50128e+24f, -2.87402e+29f
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path.close();
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path.moveTo(SkBits2Float(0x68395b2d), SkBits2Float(0xf0682955)); // 3.50128e+24f, -2.87402e+29f
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path.lineTo(SkBits2Float(0x8c2aed7a), SkBits2Float(0x2a1f08c0)); // -1.31678e-31f, 1.41251e-13f
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path.lineTo(SkBits2Float(0x68395b2d), SkBits2Float(0xf0682955)); // 3.50128e+24f, -2.87402e+29f
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path.close();
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path.moveTo(SkBits2Float(0x2a8cef55), SkBits2Float(0x68295b2d)); // 2.50351e-13f, 3.19905e+24f
|
||||
path.conicTo(SkBits2Float(0x55086821), SkBits2Float(0x6a4b7bc0), SkBits2Float(0x5b2c6829), SkBits2Float(0x21218c55), SkBits2Float(0x2a6c1f03)); // 9.3738e+12f, 6.14991e+25f, 4.85282e+16f, 5.47346e-19f, 2.09718e-13f
|
||||
path.lineTo(SkBits2Float(0x2a8cef55), SkBits2Float(0x68295b2d)); // 2.50351e-13f, 3.19905e+24f
|
||||
path.close();
|
||||
path.moveTo(SkBits2Float(0x2a8cef55), SkBits2Float(0x68295b2d)); // 2.50351e-13f, 3.19905e+24f
|
||||
path.lineTo(SkBits2Float(0x6ac07b2a), SkBits2Float(0x395b2d7a)); // 1.16348e+26f, 0.000209024f
|
||||
|
||||
SkPath path2(path);
|
||||
testPathOpFailSkipAssert(reporter, path1, path2, (SkPathOp) 0, filename);
|
||||
}
|
||||
|
||||
static struct TestDesc failTests[] = {
|
||||
TEST(fuzz763_17),
|
||||
TEST(fuzz763_16),
|
||||
TEST(fuzz763_15),
|
||||
TEST(fuzz763_14),
|
||||
TEST(fuzz763_13),
|
||||
|
||||
Loading…
Reference in New Issue
Block a user