fixed ASAN dm errors

Bug: skia:
Change-Id: Id2819c7c0c187dccf13e40fd4a96698701cccc48
Reviewed-on: https://skia-review.googlesource.com/141965
Reviewed-by: Ruiqi Mao <ruiqimao@google.com>
Commit-Queue: Ruiqi Mao <ruiqimao@google.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/core/SkThreadedBMPDevice.cpp b/src/core/SkThreadedBMPDevice.cpp
index 36a3a3e4c6..0fed293239 100644
--- a/src/core/SkThreadedBMPDevice.cpp
+++ b/src/core/SkThreadedBMPDevice.cpp
@@ -227,9 +227,12 @@ void SkThreadedBMPDevice::drawVertices(const SkVertices* vertices, const SkMatri
     const sk_sp<SkVertices> verts = sk_ref_sp(vertices);  // retain vertices until flush
     SkRect drawBounds = SkRectPriv::MakeLargest(); // TODO tighter drawBounds
 
+    // Make a copy of the bone matrices.
+    SkMatrix* clonedBones = this->cloneArray(bones, boneCount);
+
     // Make the bone matrices thread-safe.
     for (int i = 0; i < boneCount; i ++) {
-        bones[i].getType();
+        clonedBones[i].getType();
     }
 
     fQueue.push(drawBounds, [=](SkArenaAlloc*, const DrawState& ds, const SkIRect& tileBounds){
@@ -237,7 +240,7 @@ void SkThreadedBMPDevice::drawVertices(const SkVertices* vertices, const SkMatri
                                               verts->positions(), verts->texCoords(),
                                               verts->colors(), verts->boneIndices(),
                                               verts->boneWeights(), bmode, verts->indices(),
-                                              verts->indexCount(), paint, bones, boneCount);
+                                              verts->indexCount(), paint, clonedBones, boneCount);
     });
 }