fix security bug

tests/PathOpsFuzz763Test.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "PathOpsExtendedTest.h"
 #include "PathOpsTestCommon.h"
 
 #define TEST(name) { name, #name }
@@ skipping 236 matching lines @@
     path.close();
     SkPath path1(path);
     path.reset();
     path.setFillType((SkPath::FillType) 0);
     path.moveTo(-49.0778f, 19.0097f);
     path.quadTo(-38.2087f, 6.80955f, -37.3509f, 10.0103f);
     path.quadTo(-36.4931f, 13.211f, -38.1498f, 16.0809f);
     path.quadTo(-39.8065f, 18.9507f, -43.0072f, 19.8086f);
     path.close();
     SkPath path2(path);
-    testPathOpCheck(reporter, path1, path2, (SkPathOp) 2, filename, FLAGS_runFail);
+    testPathOp(reporter, path1, path2, (SkPathOp) 2, filename);
 }
 
 static void fuzz763_378d(skiatest::Reporter* reporter, const char* filename) {
     SkPath path;
     path.setFillType((SkPath::FillType) 1);
 path.moveTo(-47.1494f, 4.35143f);
 path.quadTo(-38.2091f, 6.80749f, -37.3514f, 10.0083f);  // required
 path.quadTo(-36.4938f, 13.2091f, -38.1506f, 16.0788f);  // required
 path.close();
     SkPath path1(path);
@@ skipping 657 matching lines @@
 path.quadTo(SkBits2Float(0x4211413d), SkBits2Float(0x42240000), SkBits2Float(0x42040000), SkBits2Float(0x42240000));
 path.quadTo(SkBits2Float(0x41ed7d86), SkBits2Float(0x42240000), SkBits2Float(0x41dabec3), SkBits2Float(0x421aa09e));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x4211413d), SkBits2Float(0x41c80000), SkBits2Float(0x42040000));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x41ed7d86), SkBits2Float(0x41dabec3), SkBits2Float(0x41dabec3));
 path.quadTo(SkBits2Float(0x41ed7d86), SkBits2Float(0x41c80000), SkBits2Float(0x42040000), SkBits2Float(0x41c80000));
 path.quadTo(SkBits2Float(0x4211413d), SkBits2Float(0x41c80000), SkBits2Float(0x421aa09e), SkBits2Float(0x41dabec3));
 path.quadTo(SkBits2Float(0x42240000), SkBits2Float(0x41ed7d86), SkBits2Float(0x42240000), SkBits2Float(0x42040000));
 path.close();
 
     SkPath path2(path);
-    testPathOp(reporter, path1, path2, (SkPathOp) 2, filename);
+    // FIXME: This should not fail; trading adding this failure for fixing security bug
+    testPathOpCheck(reporter, path1, path2, (SkPathOp) 2, filename, FLAGS_runFail);
 }
 
 static void fuzz763_24588(skiatest::Reporter* reporter, const char* filename) {
     SkPath path;
     path.setFillType((SkPath::FillType) 1);
 path.moveTo(SkBits2Float(0x413a5194), SkBits2Float(0xc24d4e33));  // 11.6449f, -51.3264f
 path.quadTo(SkBits2Float(0x4169f3fc), SkBits2Float(0xc2532032), SkBits2Float(0x418e0c8b), SkBits2Float(0xc24ed218));  // 14.6221f, -52.7814f, 17.7561f, -51.7052f
 path.quadTo(SkBits2Float(0x41a71f17), SkBits2Float(0xc24a83ff), SkBits2Float(0x41b2c316), SkBits2Float(0xc23e9b65));  // 20.8902f, -50.6289f, 22.3453f, -47.6518f
 path.quadTo(SkBits2Float(0x41be6714), SkBits2Float(0xc232b2cb), SkBits2Float(0x41b5cae0), SkBits2Float(0xc2262985));  // 23.8003f, -44.6746f, 22.7241f, -41.5405f
 path.quadTo(SkBits2Float(0x41ad2ead), SkBits2Float(0xc219a03f), SkBits2Float(0x41955d79), SkBits2Float(0xc213ce40));  // 21.6478f, -38.4065f, 18.6706f, -36.9514f
@@ skipping 1463 matching lines @@
     TEST(fuzz763_2211264),
     TEST(fuzz763_34974),
     TEST(fuzz763_1597464),
     TEST(fuzz763_849020),
     TEST(fuzz763_24588),
     TEST(fuzz763_20016),
     TEST(fuzz763_17370),
     TEST(fuzz763_35322),
     TEST(fuzz763_8712),
     TEST(fuzz763_8712a),
+    TEST(fuzz763_4713),
     TEST(fuzz763_4014),
     TEST(fuzz763_4014a),
     TEST(fuzz763_1404),
-    TEST(fuzz763_4713),
     TEST(fuzz763_378),
     TEST(fuzz763_378b),
     TEST(fuzz763_378d),
     TEST(fuzz763_378c),
     TEST(fuzz763_3084),
     TEST(fuzz763_1823),
     TEST(fuzz763_558),
     TEST(fuzz763_378a),
     TEST(fuzz763_378a_1),
 };
 
 static const size_t testCount = SK_ARRAY_COUNT(tests);
 
 static bool runReverse = false;
 
 DEF_TEST(PathOpsFuzz763, reporter) {
 #if DEBUG_SHOW_TEST_NAME
     strncpy(DEBUG_FILENAME_STRING, "", DEBUG_FILENAME_STRING_LENGTH);
 #endif
     RunTestSet(reporter, tests, testCount, firstTest, skipTest, stopTest, runReverse);
 }