Attachment 340620 Details for Bug 185734 – Patch for landing

[patch] Patch for landing

bug-185734-20180517120556.patch (text/plain), 7.57 KB, created by Jer Noble on 2018-05-17 12:06:00 PDT

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Creator: Jer Noble

Created: 2018-05-17 12:06:00 PDT

Size: 7.57 KB

patch

obsolete

>Subversion Revision: 231813
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index a8a3f169dc232baef8362496f5536b2518762b6a..be8f724affa229bb5ffa86a23a96359366f75b35 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,20 @@
>+2018-05-17  Jer Noble  <jer.noble@apple.com>
>+
>+        CRASH in ImageDecoderAVFObjC::sampleAtIndex()
>+        https://bugs.webkit.org/show_bug.cgi?id=185734
>+        <rdar://problem/40295094>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Test: fast/images/animated-image-mp4-crash.html
>+
>+        Test the correct size value before iterating over the SampleMap in presentationOrder()
>+
>+        * Modules/mediasource/SampleMap.h:
>+        (WebCore::PresentationOrderSampleMap::size const):
>+        * platform/graphics/avfoundation/objc/ImageDecoderAVFObjC.mm:
>+        (WebCore::ImageDecoderAVFObjC::sampleAtIndex const):
>+
> 2018-05-16  Jer Noble  <jer.noble@apple.com>
> 
>         CRASH: Exception thrown from -[AVContentKeySession processContentKeyRequestWithIdentifier:initializationData:options:] after -expire called
>diff --git a/Source/WebCore/Modules/mediasource/SampleMap.h b/Source/WebCore/Modules/mediasource/SampleMap.h
>index 14e872a8f2a4b1eab336d9f1236e3e80d1a1e61b..f27faad57bb23759284fdaab95dd1531456853e8 100644
>--- a/Source/WebCore/Modules/mediasource/SampleMap.h
>+++ b/Source/WebCore/Modules/mediasource/SampleMap.h
>@@ -54,6 +54,8 @@ public:
>     reverse_iterator rend() { return m_samples.rend(); }
>     const_reverse_iterator rend() const { return m_samples.rend(); }
> 
>+    size_t size() const { return m_samples.size(); }
>+
>     WEBCORE_EXPORT iterator findSampleWithPresentationTime(const MediaTime&);
>     WEBCORE_EXPORT iterator findSampleContainingPresentationTime(const MediaTime&);
>     WEBCORE_EXPORT iterator findSampleContainingOrAfterPresentationTime(const MediaTime&);
>diff --git a/Source/WebCore/platform/graphics/avfoundation/objc/ImageDecoderAVFObjC.mm b/Source/WebCore/platform/graphics/avfoundation/objc/ImageDecoderAVFObjC.mm
>index 6e53a1960393866827adaeb41ed482aaa85abcca..6368cb46b2fa6bd8144821a60573f63c94ce0e3c 100644
>--- a/Source/WebCore/platform/graphics/avfoundation/objc/ImageDecoderAVFObjC.mm
>+++ b/Source/WebCore/platform/graphics/avfoundation/objc/ImageDecoderAVFObjC.mm
>@@ -670,7 +670,7 @@ void ImageDecoderAVFObjC::clearFrameBufferCache(size_t index)
> 
> const ImageDecoderAVFObjCSample* ImageDecoderAVFObjC::sampleAtIndex(size_t index) const
> {
>-    if (index >= m_sampleData.size())
>+    if (index >= m_sampleData.presentationOrder().size())
>         return nullptr;
> 
>     // FIXME: std::map is not random-accessible; this can get expensive if callers repeatedly call
>@@ -679,7 +679,7 @@ const ImageDecoderAVFObjCSample* ImageDecoderAVFObjC::sampleAtIndex(size_t index
>     auto iter = m_sampleData.presentationOrder().begin();
>     for (size_t i = 0; i != index; ++i)
>         ++iter;
>-    
>+
>     return toSample(iter);
> }
> 
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index fcdf7f84155f5165261a4ad94d7f11d62d836d26..59795c5cd50eab1261764fab32bc9320cc73f46b 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,15 @@
>+2018-05-17  Jer Noble  <jer.noble@apple.com>
>+
>+        CRASH in ImageDecoderAVFObjC::sampleAtIndex()
>+        https://bugs.webkit.org/show_bug.cgi?id=185734
>+        <rdar://problem/40295094>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * fast/images/animated-image-mp4-crash-expected.txt: Added.
>+        * fast/images/animated-image-mp4-crash.html: Added.
>+        * fast/images/resources/two-samples-with-same-pts.mp4: Added.
>+
> 2018-05-09  Jer Noble  <jer.noble@apple.com>
> 
>         Media continues loading after rendered invisible (removed from DOM; scrolled off screen)
>diff --git a/LayoutTests/fast/images/animated-image-mp4-crash-expected.txt b/LayoutTests/fast/images/animated-image-mp4-crash-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..fada9c56613a164d83778f4fc36be69587c007c0
>--- /dev/null
>+++ b/LayoutTests/fast/images/animated-image-mp4-crash-expected.txt
>@@ -0,0 +1,9 @@
>+Test that a malformed mp4 media file loaded as an image should not crash.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/fast/images/animated-image-mp4-crash.html b/LayoutTests/fast/images/animated-image-mp4-crash.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..cb699db5e679fdf379f20a4c94091afc438c2c05
>--- /dev/null
>+++ b/LayoutTests/fast/images/animated-image-mp4-crash.html
>@@ -0,0 +1,31 @@
>+<!DOCTYPE html>
>+<html>
>+<body>
>+    <img>
>+    <script src="../../resources/js-test-pre.js"></script>
>+    <script>
>+        window.jsTestIsAsync = true;
>+
>+        function loadImage(src) {
>+            return new Promise(resolve => {
>+                const image = document.querySelector('img');
>+                image.src = src;
>+                return image.decode().then(() => { resolve(image); });
>+            });
>+        }
>+
>+        function endTest() {
>+            finishJSTest();
>+            if (window.testRunner)
>+                testRunner.notifyDone();
>+        }
>+
>+        description('Test that a malformed mp4 media file loaded as an image should not crash.')
>+
>+        loadImage("resources/two-samples-with-same-pts.mp4").then(image => {
>+            setTimeout(endTest, 100);
>+        });
>+    </script>
>+    <script src="../../resources/js-test-post.js"></script>
>+</body>
>+</html>
>diff --git a/LayoutTests/fast/images/resources/two-samples-with-same-pts.mp4 b/LayoutTests/fast/images/resources/two-samples-with-same-pts.mp4
>new file mode 100644
>index 0000000000000000000000000000000000000000..17158753612123931883e2f4bb8be19abbee22c7
>GIT binary patch
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Attachments on bug 185734: 340603 | 340620 | 340630