204459 2019-11-21 10:28:34 -0800 Crash in com.apple.WebKit.WebContent at WebKit: WebKit::StorageAreaMap::loadValuesIfNeeded 2019-11-21 17:32:46 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 sihui_liu sihui_liu commit-queue ggaren webkit-bug-importer oldest_to_newest 1592425 0 sihui_liu 2019-11-21 10:28:34 -0800 0 WebKit 0x00000001abdaa0bc WebKit::StorageAreaMap::loadValuesIfNeeded() + 276 (Optional.h:529) 1 WebKit 0x00000001abda9ff0 WebKit::StorageAreaMap::loadValuesIfNeeded() + 72 (StorageAreaMap.cpp:168) 2 WebKit 0x00000001abda97cc WebKit::StorageAreaImpl::item(WTF::String const&) + 48 (StorageAreaMap.cpp:88) 3 WebCore 0x00000001ac64df8c WebCore::JSStorage::getOwnPropertySlot(JSC::JSObject*, JSC::JSGlobalObject*, JSC::PropertyName, JSC::PropertySlot&) + 112 (JSStorage.cpp:167) 4 JavaScriptCore 0x00000001b424b300 llint_slow_path_get_by_id + 3988 (JSObjectInlines.h:160) 5 JavaScriptCore 0x00000001b3bfa254 llint_entry + 41460 6 JavaScriptCore 0x00000001b3c0e2d8 llint_entry + 123512 7 JavaScriptCore 0x00000001b3c0e2d8 llint_entry + 123512 8 JavaScriptCore 0x00000001b3c0e2d8 llint_entry + 123512 9 JavaScriptCore 0x00000001b3c0e2d8 llint_entry + 123512 10 JavaScriptCore 0x00000001b3befe18 vmEntryToJavaScript + 248 11 JavaScriptCore 0x00000001b418ac5c JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 428 (JITCodeInlines.h:38) 12 JavaScriptCore 0x00000001b43779b0 JSC::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 184 (CallData.cpp:59) 13 WebCore 0x00000001acba754c WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 1280 (JSExecState.h:73) 1592426 1 384066 sihui_liu 2019-11-21 10:30:56 -0800 Created attachment 384066 Patch 1592428 2 sihui_liu 2019-11-21 10:32:26 -0800 <rdar://problem/57383446> 1592434 3 384066 ggaren 2019-11-21 10:47:18 -0800 Comment on attachment 384066 Patch r=me Perhaps we should null check m_storageMapID in other functions too. That said, there's no obviously correct behavior in this surprising situation. 1592589 4 384105 sihui_liu 2019-11-21 16:47:04 -0800 Created attachment 384105 Patch for landing 1592604 5 384105 commit-queue 2019-11-21 17:32:45 -0800 Comment on attachment 384105 Patch for landing Clearing flags on attachment: 384105 Committed r252757: <https://trac.webkit.org/changeset/252757> 1592605 6 commit-queue 2019-11-21 17:32:46 -0800 All reviewed patches have been landed. Closing bug. 384066 2019-11-21 10:30:56 -0800 2019-11-21 16:47:03 -0800 Patch bug-204459-20191121103052.patch text/plain 2418 sihui_liu U3VidmVyc2lvbiBSZXZpc2lvbjogMjUyNzM4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDk5ZmNjMDYyNjNlNzhjYTI3 NmFhYzQ2MTA0ZDc2Nzg2ZGMwMGE4NGQuLjI1NmU5M2UxYzBiZjM3MmZjNzhhYjllMDM4MDJiMWEx YTQ1ZmI1NmIgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTUgQEAKKzIwMTktMTEtMjEgIFNpaHVpIExp dSAgPHNpaHVpX2xpdUBhcHBsZS5jb20+CisKKyAgICAgICAgQ3Jhc2ggaW4gY29tLmFwcGxlLldl YktpdC5XZWJDb250ZW50IGF0IFdlYktpdDogV2ViS2l0OjpTdG9yYWdlQXJlYU1hcDo6bG9hZFZh bHVlc0lmTmVlZGVkCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNn aT9pZD0yMDQ0NTkKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAg ICAgICBJZiBtX3N0b3JhZ2VNYXBJRCBpcyBudWxsLCBkb24ndCBsb2FkIHZhbHVlIGZyb20gbmV0 d29yayBwcm9jZXNzLgorCisgICAgICAgICogV2ViUHJvY2Vzcy9XZWJTdG9yYWdlL1N0b3JhZ2VB 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