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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/202493">202493</a></dd>
<dt>Author</dt> <dd>jer.noble@apple.com</dd>
<dt>Date</dt> <dd>2016-06-27 10:50:25 -0700 (Mon, 27 Jun 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Crash in layout test /media/video-buffered-range-contains-currentTime.html
https://bugs.webkit.org/show_bug.cgi?id=159109
<rdar://problem/26535750>
Reviewed by Alex Christensen.
Guard against a dealloc race condition by holding a retain on the session
until the task's _resource:loadFinishedWithError: completes, including
main thread callbacks.
* platform/network/cocoa/WebCoreNSURLSession.mm:
(-[WebCoreNSURLSessionDataTask _resource:loadFinishedWithError:]):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkcocoaWebCoreNSURLSessionmm">trunk/Source/WebCore/platform/network/cocoa/WebCoreNSURLSession.mm</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (202492 => 202493)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-06-27 17:50:17 UTC (rev 202492)
+++ trunk/Source/WebCore/ChangeLog 2016-06-27 17:50:25 UTC (rev 202493)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2016-06-27 Jer Noble <jer.noble@apple.com>
+
+ Crash in layout test /media/video-buffered-range-contains-currentTime.html
+ https://bugs.webkit.org/show_bug.cgi?id=159109
+ <rdar://problem/26535750>
+
+ Reviewed by Alex Christensen.
+
+ Guard against a dealloc race condition by holding a retain on the session
+ until the task's _resource:loadFinishedWithError: completes, including
+ main thread callbacks.
+
+ * platform/network/cocoa/WebCoreNSURLSession.mm:
+ (-[WebCoreNSURLSessionDataTask _resource:loadFinishedWithError:]):
+
</ins><span class="cx"> 2016-06-27 Frederic Wang <fwang@igalia.com>
</span><span class="cx">
</span><span class="cx"> Set an upper limit for the size or number of pieces of stretchy operators
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkcocoaWebCoreNSURLSessionmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/cocoa/WebCoreNSURLSession.mm (202492 => 202493)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/cocoa/WebCoreNSURLSession.mm 2016-06-27 17:50:17 UTC (rev 202492)
+++ trunk/Source/WebCore/platform/network/cocoa/WebCoreNSURLSession.mm 2016-06-27 17:50:25 UTC (rev 202493)
</span><span class="lines">@@ -618,14 +618,15 @@
</span><span class="cx"> self.state = NSURLSessionTaskStateCompleted;
</span><span class="cx">
</span><span class="cx"> RetainPtr<WebCoreNSURLSessionDataTask> strongSelf { self };
</span><ins>+ RetainPtr<WebCoreNSURLSession> strongSession { self.session };
</ins><span class="cx"> RetainPtr<NSError> strongError { error };
</span><del>- [self.session addDelegateOperation:[strongSelf, strongError] {
- id<NSURLSessionTaskDelegate> delegate = (id<NSURLSessionTaskDelegate>)strongSelf.get().session.delegate;
</del><ins>+ [self.session addDelegateOperation:[strongSelf, strongSession, strongError] {
+ id<NSURLSessionTaskDelegate> delegate = (id<NSURLSessionTaskDelegate>)strongSession.get().delegate;
</ins><span class="cx"> if ([delegate respondsToSelector:@selector(URLSession:task:didCompleteWithError:)])
</span><del>- [delegate URLSession:(NSURLSession *)strongSelf.get().session task:(NSURLSessionDataTask *)strongSelf.get() didCompleteWithError:strongError.get()];
</del><ins>+ [delegate URLSession:(NSURLSession *)strongSession.get() task:(NSURLSessionDataTask *)strongSelf.get() didCompleteWithError:strongError.get()];
</ins><span class="cx">
</span><del>- callOnMainThread([strongSelf] {
- [strongSelf.get().session taskCompleted:strongSelf.get()];
</del><ins>+ callOnMainThread([strongSelf, strongSession] {
+ [strongSession taskCompleted:strongSelf.get()];
</ins><span class="cx"> });
</span><span class="cx"> }];
</span><span class="cx"> }
</span></span></pre>
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