Update piex and add test image

Bug: oss-fuzz:6347

Change-Id: Iacf8c7a1677f2651e5c211cffb09eecb388a5f8a
Reviewed-on: https://skia-review.googlesource.com/109400
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
diff --git a/DEPS b/DEPS
index 6d5692f..958ea0b 100644
--- a/DEPS
+++ b/DEPS
@@ -17,7 +17,7 @@
   "third_party/externals/libwebp"       : "https://chromium.googlesource.com/webm/libwebp.git@v0.6.1",
   "third_party/externals/lua"           : "https://skia.googlesource.com/external/github.com/lua/lua.git@v5-3-4",
   "third_party/externals/microhttpd"    : "https://android.googlesource.com/platform/external/libmicrohttpd@748945ec6f1c67b7efc934ab0808e1d32f2fb98d",
-  "third_party/externals/piex"          : "https://android.googlesource.com/platform/external/piex.git@8f540f64b6c170a16fb7e6e52d61819705c1522a",
+  "third_party/externals/piex"          : "https://android.googlesource.com/platform/external/piex.git@f7fc905cff18c7b883712bbfaffabd5d187bc787",
   "third_party/externals/sdl"           : "https://skia.googlesource.com/third_party/sdl@5d7cfcca344034aff9327f77fc181ae3754e7a90",
   "third_party/externals/sfntly"        : "https://chromium.googlesource.com/external/github.com/googlei18n/sfntly.git@b18b09b6114b9b7fe6fc2f96d8b15e8a72f66916",
   "third_party/externals/skcms"         : "https://skia.googlesource.com/skcms@3b6adcfa3a75b834525dee2af88c5fe79fb40eda",
diff --git a/resources/invalid_images/ossfuzz6347 b/resources/invalid_images/ossfuzz6347
new file mode 100644
index 0000000..f4fa7dc
--- /dev/null
+++ b/resources/invalid_images/ossfuzz6347
Binary files differ
diff --git a/tests/CodecTest.cpp b/tests/CodecTest.cpp
index 6e0a88c..e3362f5 100644
--- a/tests/CodecTest.cpp
+++ b/tests/CodecTest.cpp
@@ -658,6 +658,7 @@
     test_invalid(r, "invalid_images/b37623797.ico");
     test_invalid(r, "invalid_images/osfuzz6295.webp");
     test_invalid(r, "invalid_images/osfuzz6288.bmp");
+    test_invalid(r, "invalid_images/ossfuzz6347");
 }
 
 #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED