Bug 18899 – REGRESSION (r32871): Non-Safari crash in WTF::HashTable on startup

• Status: RESOLVED
• Resolution: FIXED
• Component: Page Loading

[Matt Lilek]

<http://trac.webkit.org/changeset/32871> caused my WebView-embedding app to crash on startup. I have a small sample project I'll upload.

Thread 0 Crashed:
0   com.apple.WebCore             	0x022a4ac9 WTF::HashTable<WebCore::StringImpl*, WebCore::StringImpl*, WTF::IdentityExtractor<WebCore::StringImpl*>, WebCore::StringHash, WTF::HashTraits<WebCore::StringImpl*>, WTF::HashTraits<WebCore::StringImpl*> >::invalidateIterators() + 9 (HashTable.h:1016)
1   com.apple.WebCore             	0x022a643f std::pair<WTF::HashTableIterator<WebCore::StringImpl*, WebCore::StringImpl*, WTF::IdentityExtractor<WebCore::StringImpl*>, WebCore::StringHash, WTF::HashTraits<WebCore::StringImpl*>, WTF::HashTraits<WebCore::StringImpl*> >, bool> WTF::HashTable<WebCore::StringImpl*, WebCore::StringImpl*, WTF::IdentityExtractor<WebCore::StringImpl*>, WebCore::StringHash, WTF::HashTraits<WebCore::StringImpl*>, WTF::HashTraits<WebCore::StringImpl*> >::addPassingHashCode<char const*, char const*, WTF::HashSetTranslatorAdapter<WebCore::StringImpl*, WTF::HashTraits<WebCore::StringImpl*>, char const*, WebCore::CStringTranslator> >(char const* const&, char const* const&) + 39 (HashTable.h:695)
2   com.apple.WebCore             	0x022a6631 std::pair<WTF::HashTableIteratorAdapter<WTF::HashTable<WebCore::StringImpl*, WebCore::StringImpl*, WTF::IdentityExtractor<WebCore::StringImpl*>, WebCore::StringHash, WTF::HashTraits<WebCore::StringImpl*>, WTF::HashTraits<WebCore::StringImpl*> >, WebCore::StringImpl*>, bool> WTF::HashSet<WebCore::StringImpl*, WebCore::StringHash, WTF::HashTraits<WebCore::StringImpl*> >::add<char const*, WebCore::CStringTranslator>(char const* const&) + 45
3   com.apple.WebCore             	0x022a3c85 WebCore::AtomicString::add(char const*) + 107 (AtomicString.cpp:81)
4   com.apple.WebCore             	0x0231c15c WebCore::AtomicString::AtomicString(char const*) + 24 (AtomicString.h:34)
5   com.apple.WebCore             	0x02932164 WebCore::Loader::Loader() + 58
6   com.apple.WebCore             	0x0232b538 WebCore::Cache::Cache() + 42
7   com.apple.WebCore             	0x0232c64b WebCore::cache() + 55 (Cache.cpp:50)
8   com.apple.WebKit              	0x00349a35 +[WebView(WebFileInternal) _setCacheModel:] + 379 (WebView.mm:4051)
9   com.apple.WebKit              	0x0034a0f4 +[WebView(WebFileInternal) _preferencesChangedNotification:] + 290 (WebView.mm:4086)
10  com.apple.Foundation          	0x96f01bda _nsnote_callback + 106
11  com.apple.CoreFoundation      	0x9646c9da __CFXNotificationPost + 362
12  com.apple.CoreFoundation      	0x9646ccb3 _CFXNotificationPostNotification + 179
13  com.apple.Foundation          	0x96efefd0 -[NSNotificationCenter postNotificationName:object:userInfo:] + 128
14  com.apple.WebKit              	0x0033441c -[WebPreferences(WebPrivate) _postPreferencesChangesNotification] + 93 (WebPreferences.m:933)
15  com.apple.WebKit              	0x0033135f -[WebPreferences initWithIdentifier:] + 575 (WebPreferences.m:217)
16  com.apple.WebKit              	0x003319c0 +[WebPreferences standardPreferences] + 92 (WebPreferences.m:287)
17  com.apple.WebKit              	0x003505f2 -[WebView _commonInitializationWithFrameName:groupName:] + 48 (WebView.mm:1847)
18  com.apple.WebKit              	0x00340552 -[WebView initWithCoder:] + 1314 (WebView.mm:1989)

[Matt Lilek]

(In reply to comment #0)
> I have a small sample project I'll upload.

Even easier: this reproduces with MiniBrowser.

All my code does is:
[mWebView.mainFrame loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.google.com/"]]];

[Antti Koivisto]

Sending        WebCore/ChangeLog
Sending        WebCore/loader/loader.cpp
Transmitting file data ..
Committed revision 32887.