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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 - Frequent assertions on animations/restart-after-scroll.html"
href="https://bugs.webkit.org/show_bug.cgi?id=148026">148026</a>
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<th>Summary</th>
<td>Frequent assertions on animations/restart-after-scroll.html
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>528+ (Nightly build)
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>InRadar
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
</tr>
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<th>Component</th>
<td>Layout and Rendering
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
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<th>Reporter</th>
<td>ap@webkit.org
</td>
</tr>
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<th>CC</th>
<td>rniwa@webkit.org, simon.fraser@apple.com
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<pre>animations/restart-after-scroll.html very frequently asserts in debug builds, both WK1 and WK2:
if (m_absCaretBoundsDirty && m_selection.isCaret()) // We should be able to always assert this condition.
ASSERT(m_absCaretBounds == m_selection.visibleStart().absoluteCaretBounds());
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x000000011088c2f7 WTFCrash + 39
1 com.apple.WebCore 0x0000000112a029ce WebCore::FrameSelection::recomputeCaretRect() + 878 (FrameSelection.cpp:1484)
2 com.apple.WebCore 0x0000000112a02e0b WebCore::FrameSelection::invalidateCaretRect() + 91 (FrameSelection.cpp:1518)
3 com.apple.WebCore 0x00000001129f9b4b WebCore::FrameSelection::caretBlinkTimerFired() + 235 (FrameSelection.cpp:1987)
4 com.apple.WebCore 0x0000000112a079c8 void std::__1::__invoke_void_return_wrapper<void>::__call<std::__1::__bind<void (WebCore::FrameSelection::*&)(), WebCore::FrameSelection*>&>(std::__1::__bind<void (WebCore::FrameSelection::*&)(), WebCore::FrameSelection*>&&&) + 248 (__functional_base:441)
5 com.apple.WebCore 0x0000000112a0789c std::__1::__function::__func<std::__1::__bind<void (WebCore::FrameSelection::*&)(), WebCore::FrameSelection*>, std::__1::allocator<std::__1::__bind<void (WebCore::FrameSelection::*&)(), WebCore::FrameSelection*> >, void ()>::operator()() + 44 (functional:1407)
6 com.apple.WebCore 0x00000001120c463a std::__1::function<void ()>::operator()() const + 26 (functional:1793)
7 com.apple.WebCore 0x00000001120c455c WebCore::Timer::fired() + 28 (Timer.h:134)
8 com.apple.WebCore 0x000000011410713a WebCore::ThreadTimers::sharedTimerFiredInternal() + 394 (ThreadTimers.cpp:135)
9 com.apple.WebCore 0x0000000114106df9 WebCore::ThreadTimers::sharedTimerFired() + 25 (ThreadTimers.cpp:108)
10 com.apple.WebCore 0x0000000113db5802 WebCore::timerFired(__CFRunLoopTimer*, void*) + 34 (SharedTimerCF.cpp:82)
rdar://problem/21843062</pre>
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