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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Mac] Numerous CGColor leaks in swipe gestures"
href="https://bugs.webkit.org/show_bug.cgi?id=146501">146501</a>
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<th>Summary</th>
<td>[Mac] Numerous CGColor leaks in swipe gestures
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>528+ (Nightly build)
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>WebKit2
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
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<th>Reporter</th>
<td>joepeck@webkit.org
</td>
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<th>CC</th>
<td>darin@apple.com, thorton@apple.com
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<pre>* SUMMARY
[Mac] Numerous CGColor leaks in swipe gestures
Unsure of the exact steps to reproduce.
* LEAK
Leak: 0x7ffee400cfb0 size=80 zone: DefaultMallocZone_0x10ab96000 CGColor CFType CoreGraphics
Call stack: [thread 0x10aa86000]:
| 0x1
| start
| NSApplicationMain
| -[NSApplication run]
| -[BrowserApplication sendEvent:]
| -[NSApplication sendEvent:]
| -[BrowserWindow sendEvent:]
| -[Window sendEvent:]
| -[NSWindow sendEvent:]
| -[NSWindow _reallySendEvent:isDelayedEvent:]
| -[BrowserWKView scrollWheel:]
| -[WKView scrollWheel:]
| WebKit::ViewGestureController::handleScrollWheelEvent(NSEvent*)
| WebKit::ViewGestureController::trackSwipeGesture(NSEvent*, WebKit::ViewGestureController::SwipeDirection)
| -[NSEvent trackSwipeEventWithOptions:dampenAmountThresholdMin:max:usingHandler:]
| -[NSEvent _trackSwipeEventWithOptions:dampenAmountThresholdMin:max:trackingDistance:axis:velocityFilterClass:usingHandler:]
| ___trackSwipeWithScrollEvent_block_invoke
| ___ZN6WebKit21ViewGestureController17trackSwipeGestureEP7NSEventNS0_14SwipeDirectionE_block_invoke
| WebKit::ViewGestureController::beginSwipeGesture(WebKit::WebBackForwardListItem*, WebKit::ViewGestureController::SwipeDirection)
| CGColorCreateGenericGray
| create_color
| CGTypeCreateInstance
| _CFRuntimeCreateInstance
| malloc_zone_malloc
* NOTES
- ViewGestureController::beginSwipeGesture certainly looks like it leaks:
[m_swipeShadowLayer setColors:@[
(id)CGColorCreateGenericGray(0, 1.),
(id)CGColorCreateGenericGray(0, 0.99),
(id)CGColorCreateGenericGray(0, 0.98),
(id)CGColorCreateGenericGray(0, 0.95),
...
]];</pre>
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