[skottie] Fix OOB access in Parse<SkPoint>

SkJSON requires valid array indices, so callers must guard against
out-of-bounds conditions explicitly.

Bug: oss-fuzz:8956
Change-Id: I50b96b088e44a4c1a569e6911d4be5d75799b464
Reviewed-on: https://skia-review.googlesource.com/135445
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Kevin Lubick <kjlubick@google.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/modules/skottie/BUILD.gn b/modules/skottie/BUILD.gn
index dff355cf82..9442592968 100644
--- a/modules/skottie/BUILD.gn
+++ b/modules/skottie/BUILD.gn
@@ -40,6 +40,26 @@ source_set("skottie") {
   }
 }
 
+source_set("tests") {
+  if (skia_enable_skottie) {
+    testonly = true
+
+    configs += [
+      "../..:skia_private",
+      "../..:tests_config",
+    ]
+    sources = [
+      "src/SkottieTest.cpp",
+    ]
+
+    deps = [
+      ":skottie",
+      "../..:gpu_tool_utils",
+      "../..:skia",
+    ]
+  }
+}
+
 source_set("fuzz") {
   if (skia_enable_skottie) {
     testonly = true