<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: isMainThread() in WebCore::Node::ref()"
href="https://bugs.webkit.org/show_bug.cgi?id=164887">164887</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: isMainThread() in WebCore::Node::ref()
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ryanhaddad@apple.com
</td>
</tr></table>
<p>
<div>
<pre>Encountered with LayoutTest storage/websql/multiple-transactions-on-different-handles.html on El Capitan and Sierra Debug WK1
<a href="https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/r208857%20(9825)/results.html">https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/r208857%20(9825)/results.html</a>
ASSERTION FAILED: isMainThread()
/Volumes/Data/slave/elcapitan-debug/build/Source/WebCore/dom/Node.h(706) : void WebCore::Node::ref()
1 0x102b50440 WTFCrash
2 0x107f636b5 WebCore::Node::ref()
3 0x1086bc455 WebCore::Document::refScriptExecutionContext()
4 0x1086bc57c non-virtual thunk to WebCore::Document::refScriptExecutionContext()
5 0x1083a4e89 WebCore::ScriptExecutionContext::ref()
6 0x1085d06d3 WTF::Ref<WebCore::ScriptExecutionContext>::Ref(WebCore::ScriptExecutionContext&)
7 0x1085cabfd WTF::Ref<WebCore::ScriptExecutionContext>::Ref(WebCore::ScriptExecutionContext&)
8 0x1085cae1f WTF::Ref<WebCore::ScriptExecutionContext>::copyRef() const
9 0x1085c3d74 WebCore::Database::~Database()
10 0x1085c3f65 WebCore::Database::~Database()
11 0x1085d41d9 WTF::ThreadSafeRefCounted<WebCore::Database>::deref() const
12 0x1085e0864 void WTF::derefIfNotNull<WebCore::Database>(WebCore::Database*)
13 0x1085e0823 WTF::RefPtr<WebCore::Database>::~RefPtr()
14 0x1085dcee5 WTF::RefPtr<WebCore::Database>::~RefPtr()
15 0x1085e3cb4 WTF::HashTable<WTF::RefPtr<WebCore::Database>, WTF::RefPtr<WebCore::Database>, WTF::IdentityExtractor, WTF::PtrHash<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> > >::deallocateTable(WTF::RefPtr<WebCore::Database>*, unsigned int)
ERROR: Unable to turn on incremental auto-vacuum (0 not an error)
/Volumes/Data/slave/elcapitan-debug/build/Source/WebCore/Modules/webdatabase/Database.cpp(355) : ExceptionOr<void> WebCore::Database::performOpenAndVerify(bool)
16 0x1085e3a8e WTF::HashTable<WTF::RefPtr<WebCore::Database>, WTF::RefPtr<WebCore::Database>, WTF::IdentityExtractor, WTF::PtrHash<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> > >::~HashTable()
17 0x1085e3a45 WTF::HashTable<WTF::RefPtr<WebCore::Database>, WTF::RefPtr<WebCore::Database>, WTF::IdentityExtractor, WTF::PtrHash<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> > >::~HashTable()
18 0x1085e3a25 WTF::HashSet<WTF::RefPtr<WebCore::Database>, WTF::PtrHash<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> > >::~HashSet()
19 0x1085e32a5 WTF::HashSet<WTF::RefPtr<WebCore::Database>, WTF::PtrHash<WTF::RefPtr<WebCore::Database> >, WTF::HashTraits<WTF::RefPtr<WebCore::Database> > >::~HashSet()
20 0x1085e2407 WebCore::DatabaseThread::databaseThread()
21 0x1085e1f4d WebCore::DatabaseThread::databaseThreadStart(void*)
22 0x102bc9c49 WTF::createThread(void (*)(void*), void*, char const*)::$_0::operator()() const
23 0x102bc9c1d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::createThread(void (*)(void*), void*, char const*)::$_0&>(WTF::createThread(void (*)(void*), void*, char const*)::$_0&&&)
24 0x102bc9bbc std::__1::__function::__func<WTF::createThread(void (*)(void*), void*, char const*)::$_0, std::__1::allocator<WTF::createThread(void (*)(void*), void*, char const*)::$_0>, void ()>::operator()()
25 0x1020c19ea std::__1::function<void ()>::operator()() const
26 0x102bc881e WTF::threadEntryPoint(void*)
27 0x102bca2c1 WTF::wtfThreadEntryPoint(void*)
28 0x7fff92d4599d _pthread_body
29 0x7fff92d4591a _pthread_body
30 0x7fff92d43351 thread_start</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>