Add deserialize color space entry point for fuzzing

fuzz/fuzz.cpp

Index: fuzz/fuzz.cpp
diff --git a/fuzz/fuzz.cpp b/fuzz/fuzz.cpp
index 853b5e04117b4732af8adaa80b2974221d7ed70b..b8375d344a1e9a6ce1099d97d5661f9562e74a94 100644
--- a/fuzz/fuzz.cpp
+++ b/fuzz/fuzz.cpp
@@ -36,6 +36,7 @@ static int fuzz_api(SkData*);
 static int fuzz_img(SkData*, uint8_t, uint8_t);
 static int fuzz_skp(SkData*);
 static int fuzz_icc(SkData*);
+static int fuzz_color_deserialize(SkData*);
 
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
@@ -53,6 +54,8 @@ int main(int argc, char** argv) {
         switch (FLAGS_type[0][0]) {
             case 'a': return fuzz_api(bytes);
 
+            case 'c': return fuzz_color_deserialize(bytes);
+
             case 'i':
                 if (FLAGS_type[0][1] == 'c') { //icc
                     return fuzz_icc(bytes);
@@ -386,6 +389,16 @@ int fuzz_icc(SkData* bytes) {
     return 0;
 }
 
+int fuzz_color_deserialize(SkData* bytes) {
+    sk_sp<SkColorSpace> space(SkColorSpace::Deserialize(bytes->data(), bytes->size()));
+    if (!space) {
+        SkDebugf("[terminated] Couldn't deserialize Colorspace.\n");
+        return 1;
+    }
+    SkDebugf("[terminated] Success! deserialized Colorspace.\n");
+    return 0;
+}
+
 Fuzz::Fuzz(SkData* bytes) : fBytes(SkSafeRef(bytes)), fNextByte(0) {}
 
 void Fuzz::signalBug   () { SkDebugf("Signal bug\n"); raise(SIGSEGV); }