21184 2008-09-27 15:41:14 -0700 REGRESSION: Reproducible crash below StringImpl::hash while running editing/deleting/5408255.html 2008-09-27 16:23:37 -0700 1 1 1 Unclassified WebKit Page Loading 528+ (Nightly build) Mac OS X 10.5 RESOLVED FIXED NeedsReduction, Regression P1 Normal --- 1 mrowe webkit-unassigned oldest_to_newest 93088 0 mrowe 2008-09-27 15:41:14 -0700 The buildbot sees the crash all of the time, but because it happens after the test result has been written it rarely shows the test as having failed or crashed. I bisected through the layout tests to narrow it down to editing/deleting/5408255.html. Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00000010 0x036f3045 in WebCore::StringImpl::hash (this=0x0) at text/StringImpl.h:89 89 unsigned hash() { if (m_hash == 0) m_hash = computeHash(m_data, m_length); return m_hash; } (gdb) bt 10 #0 0x036f3045 in WebCore::StringImpl::hash (this=0x0) at text/StringImpl.h:89 #1 0x039ccae9 in WebCore::StringHash::hash (key=@0x12cae2c) at text/StringHash.h:69 #2 0x039d10a5 in WTF::IdentityHashTranslator<WebCore::String, std::pair<WebCore::String, WebCore::CachedResource*>, WebCore::StringHash>::hash (key=@0x12cae2c) at HashTable.h:267 #3 0x039da967 in WTF::HashTable<WebCore::String, std::pair<WebCore::String, WebCore::CachedResource*>, WTF::PairFirstExtractor<std::pair<WebCore::String, WebCore::CachedResource*> >, WebCore::StringHash, WTF::PairHashTraits<WTF::HashTraits<WebCore::String>, WTF::HashTraits<WebCore::CachedResource*> >, WTF::HashTraits<WebCore::String> >::lookup<WebCore::String, WTF::IdentityHashTranslator<WebCore::String, std::pair<WebCore::String, WebCore::CachedResource*>, WebCore::StringHash> > (this=0x7035be8, key=@0x12cae2c) at HashTable.h:462 #4 0x0371a80c in WTF::HashTable<WebCore::String, std::pair<WebCore::String, WebCore::CachedResource*>, WTF::PairFirstExtractor<std::pair<WebCore::String, WebCore::CachedResource*> >, WebCore::StringHash, WTF::PairHashTraits<WTF::HashTraits<WebCore::String>, WTF::HashTraits<WebCore::CachedResource*> >, WTF::HashTraits<WebCore::String> >::lookup (this=0x7035be8, key=@0x12cae2c) at HashTable.h:330 #5 0x039daa40 in WTF::HashMap<WebCore::String, WebCore::CachedResource*, WebCore::StringHash, WTF::HashTraits<WebCore::String>, WTF::HashTraits<WebCore::CachedResource*> >::get (this=0x7035be8, key=@0x12cae2c) at HashMap.h:207 #6 0x03716996 in WebCore::Cache::resourceForURL (this=0x7035a00, url=@0x12cae2c) at WebCore/loader/Cache.cpp:244 #7 0x03721a56 in WebCore::CachedResource::~CachedResource (this=0x12cae10) at WebCore/loader/CachedResource.cpp:85 [...] 93096 1 mrowe 2008-09-27 16:23:37 -0700 Landed in r37016.