commit cdeff81bdb2e5cde422b6850634c5d3977fcbae9
author caryclark <caryclark@google.com> Fri Jul 22 03:34:19 2016 -0700
committer Commit bot <commit-bot@chromium.org> Fri Jul 22 03:34:19 2016 -0700
tree 19fff5f761df4b949c4d894c650674f5fab686c2
parent 901257a3ba1d094280b4e1e0868bc0bcd137145a

conic fuzz fix

If no closest section is found in conic intersection
(which can happen if the numbers are out of range)
abort the intersection.

Also suppress assert fired in this case so it only
checks intersections with in-range values.

TBR=reed@google.com
BUG=630378
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2166813006

Review-Url: https://codereview.chromium.org/2166813006

tests/PathOpsOpTest.cpp

diff --git a/tests/PathOpsOpTest.cpp b/tests/PathOpsOpTest.cpp
index dff2643..b217fa3 100644
--- a/tests/PathOpsOpTest.cpp
+++ b/tests/PathOpsOpTest.cpp
@@ -6533,7 +6533,52 @@
     testPathOpFail(reporter, path1, path2, kXOR_SkPathOp, filename);
 }
 
+static void fuzz763_10(skiatest::Reporter* reporter, const char* filename) {
+    SkPath path;
+    path.setFillType((SkPath::FillType) 1);
+path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x68556829));  // 0, 4.03114e+24f
+path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000));  // 0, 0
+path.quadTo(SkBits2Float(0x6a4b7bc0), SkBits2Float(0x00000000), SkBits2Float(0x00000000), SkBits2Float(0x6a4b7bc4));  // 6.14991e+25f, 0, 0, 6.14991e+25f
+path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x68556829));  // 0, 4.03114e+24f
+path.close();
+
+    SkPath path1(path);
+    path.reset();
+    path.setFillType((SkPath::FillType) 0);
+path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000));  // 0, 0
+path.lineTo(SkBits2Float(0x5b2d2968), SkBits2Float(0x2a8c8f55));  // 4.87407e+16f, 2.49685e-13f
+path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000));  // 0, 0
+path.close();
+path.moveTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.conicTo(SkBits2Float(0x682d2fed), SkBits2Float(0x755b6829), SkBits2Float(0x5b292d2b), SkBits2Float(0xc92a8c55), SkBits2Float(0x081f2a21));  // 3.27141e+24f, 2.78131e+32f, 4.76189e+16f, -698565, 4.78968e-34f
+path.lineTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.close();
+path.moveTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.conicTo(SkBits2Float(0x6a4b7bc0), SkBits2Float(0x2a8ced7a), SkBits2Float(0x21081f21), SkBits2Float(0x3a7bc003), SkBits2Float(0x47ed7a29));  // 6.14991e+25f, 2.50338e-13f, 4.61198e-19f, 0.00096035f, 121588
+path.lineTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.close();
+path.moveTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.quadTo(SkBits2Float(0x6829682d), SkBits2Float(0x292d555b), SkBits2Float(0x2a8c555b), SkBits2Float(0x081f2a29));  // 3.20001e+24f, 3.84878e-14f, 2.49282e-13f, 4.78969e-34f
+path.conicTo(SkBits2Float(0x6a497b19), SkBits2Float(0x218ced7a), SkBits2Float(0x0321081f), SkBits2Float(0x6a3a7bc0), SkBits2Float(0x47ed3a7a));  // 6.08939e+25f, 9.54963e-19f, 4.7323e-37f, 5.63611e+25f, 121461
+path.lineTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.close();
+path.moveTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.quadTo(SkBits2Float(0x282a282a), SkBits2Float(0x8a3a21df), SkBits2Float(0x2728282a), SkBits2Float(0x8a3a2129));  // 9.4456e-15f, -8.96194e-33f, 2.33365e-15f, -8.96181e-33f
+path.quadTo(SkBits2Float(0x8a284f9a), SkBits2Float(0x3a3ac2b3), SkBits2Float(0x2a292827), SkBits2Float(0x962be61d));  // -8.10388e-33f, 0.000712435f, 1.50241e-13f, -1.38859e-25f
+path.lineTo(SkBits2Float(0x272a802a), SkBits2Float(0x2a8c2d29));  // 2.36617e-15f, 2.49003e-13f
+path.lineTo(SkBits2Float(0xc021211f), SkBits2Float(0x6a4b7b03));  // -2.51765f, 6.14982e+25f
+path.close();
+path.moveTo(SkBits2Float(0x4f9a3a29), SkBits2Float(0x3ab38a28));  // 5.17501e+09f, 0.00136978f
+path.quadTo(SkBits2Float(0xc368305b), SkBits2Float(0x5b296855), SkBits2Float(0x2d8c5568), SkBits2Float(0x1f2a2172));  // -232.189f, 4.7684e+16f, 1.59541e-11f, 3.60266e-20f
+path.lineTo(SkBits2Float(0x29c00321), SkBits2Float(0x5b4b7b13));  // 8.52706e-14f, 5.72747e+16f
+
+    SkPath path2(path);
+    testPathOpSkipAssert(reporter, path1, path2, (SkPathOp) 4, filename);
+}
+
+
 static struct TestDesc failTests[] = {
+    TEST(fuzz763_10),
     TEST(kfuzz2),
     TEST(fuzz763_7),
     TEST(fuzz763_6),