==21334==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000550926 bp 0x7fffc24c3c70 sp 0x7fffc24c3b00 T0) ==21334==The signal is caused by a WRITE memory access. ==21334==Hint: address points to the zero page. #0 0x550925 in MOZ_CrashPrintf /src/mfbt/Assertions.cpp:63:3 #1 0x7f964c11f44f in InvalidArrayIndex_CRASH(unsigned long, unsigned long) /src/xpcom/ds/nsTArray.cpp:26:3 #2 0x7f965340fa37 in ElementAt /src/obj-firefox/dist/include/nsTArray.h:1048:7 #3 0x7f965340fa37 in operator[] /src/obj-firefox/dist/include/nsTArray.h:1086 #4 0x7f965340fa37 in SVGTextFrame::GetEndPositionOfChar(nsIContent*, unsigned int, mozilla::nsISVGPoint**) /src/layout/svg/SVGTextFrame.cpp:4355 #5 0x7f9651b82ffe in mozilla::dom::SVGTextContentElement::GetEndPositionOfChar(unsigned int, mozilla::ErrorResult&) /src/dom/svg/SVGTextContentElement.cpp:181:19 #6 0x7f964fa517d5 in mozilla::dom::SVGTextContentElementBinding::getEndPositionOfChar(JSContext*, JS::Handle<JSObject*>, mozilla::dom::SVGTextContentElement*, JSJitMethodCallArgs const&) /src/obj-firefox/dom/bindings/SVGTextContentElementBinding.cpp:235:58 #7 0x7f9650874160 in mozilla::dom::GenericBindingMethod(JSContext*, unsigned int, JS::Value*) /src/dom/bindings/BindingUtils.cpp:3055:13 #8 0x7f9656ee83c4 in CallJSNative /src/js/src/jscntxtinlines.h:293:15 #9 0x7f9656ee83c4 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct) /src/js/src/vm/Interpreter.cpp:495 #10 0x7f9656ed2226 in CallFromStack /src/js/src/vm/Interpreter.cpp:546:12 #11 0x7f9656ed2226 in Interpret(JSContext*, js::RunState&) /src/js/src/vm/Interpreter.cpp:3084 #12 0x7f9656eb95eb in js::RunScript(JSContext*, js::RunState&) /src/js/src/vm/Interpreter.cpp:435:12 #13 0x7f9656ee855c in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct) /src/js/src/vm/Interpreter.cpp:513:15 #14 0x7f9656ee8eb2 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>) /src/js/src/vm/Interpreter.cpp:559:10 #15 0x7f965793ed9b in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) /src/js/src/jsapi.cpp:2965:12 #16 0x7f96502a9135 in mozilla::dom::EventHandlerNonNull::Call(JSContext*, JS::Handle<JS::Value>, mozilla::dom::Event&, JS::MutableHandle<JS::Value>, mozilla::ErrorResult&) /src/obj-firefox/dom/bindings/EventHandlerBinding.cpp:260:37 #17 0x7f9650c7fb85 in Call<nsISupports *> /src/obj-firefox/dist/include/mozilla/dom/EventHandlerBinding.h:362:12 #18 0x7f9650c7fb85 in mozilla::JSEventHandler::HandleEvent(nsIDOMEvent*) /src/dom/events/JSEventHandler.cpp:215 #19 0x7f9650c49159 in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, nsIDOMEvent*, mozilla::dom::EventTarget*) /src/dom/events/EventListenerManager.cpp:1112:51 #20 0x7f9650c4b220 in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, nsIDOMEvent**, mozilla::dom::EventTarget*, nsEventStatus*) /src/dom/events/EventListenerManager.cpp:1283:20 #21 0x7f9650c2b011 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /src/dom/events/EventDispatcher.cpp:462:16 #22 0x7f9650c2e4e2 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, nsIDOMEvent*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) /src/dom/events/EventDispatcher.cpp:822:9 #23 0x7f9652f0c11e in nsDocumentViewer::LoadComplete(nsresult) /src/layout/base/nsDocumentViewer.cpp:1081:7 #24 0x7f9655eb7e31 in nsDocShell::EndPageLoad(nsIWebProgress*, nsIChannel*, nsresult) /src/docshell/base/nsDocShell.cpp:7749:21 #25 0x7f9655eb3e54 in nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /src/docshell/base/nsDocShell.cpp:7547:7 #26 0x7f9655ebb7ff in non-virtual thunk to nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /src/docshell/base/nsDocShell.cpp:7444:13 #27 0x7f964dbac820 in nsDocLoader::DoFireOnStateChange(nsIWebProgress*, nsIRequest*, int&, nsresult) /src/uriloader/base/nsDocLoader.cpp:1320:3 #28 0x7f964dbab8dc in nsDocLoader::doStopDocumentLoad(nsIRequest*, nsresult) /src/uriloader/base/nsDocLoader.cpp:861:14 #29 0x7f964dba8896 in nsDocLoader::DocLoaderIsEmpty(bool) /src/uriloader/base/nsDocLoader.cpp:750:9 #30 0x7f964dbaa6d5 in nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) /src/uriloader/base/nsDocLoader.cpp:632:5 #31 0x7f964dbab33c in non-virtual thunk to nsDocLoader::OnStopRequest(nsIRequest*, nsISupports*, nsresult) /src/uriloader/base/nsDocLoader.cpp:488:14 #32 0x7f964c3adf4d in mozilla::net::nsLoadGroup::RemoveRequest(nsIRequest*, nsISupports*, nsresult) /src/netwerk/base/nsLoadGroup.cpp:629:28 #33 0x7f964ed7bb6d in nsDocument::DoUnblockOnload() /src/dom/base/nsDocument.cpp:9202:18 #34 0x7f964ed7b731 in nsDocument::UnblockOnload(bool) /src/dom/base/nsDocument.cpp:9124:9 #35 0x7f964ed54a49 in nsDocument::DispatchContentLoadedEvents() /src/dom/base/nsDocument.cpp:5599:3 #36 0x7f964edf5772 in applyImpl<nsDocument, void (nsDocument::*)()> /src/obj-firefox/dist/include/nsThreadUtils.h:1142:12 #37 0x7f964edf5772 in apply<nsDocument, void (nsDocument::*)()> /src/obj-firefox/dist/include/nsThreadUtils.h:1148 #38 0x7f964edf5772 in mozilla::detail::RunnableMethodImpl<nsDocument*, void (nsDocument::*)(), true, (mozilla::RunnableKind)0>::Run() /src/obj-firefox/dist/include/nsThreadUtils.h:1192 #39 0x7f964c20033c in nsThread::ProcessNextEvent(bool, bool*) /src/xpcom/threads/nsThread.cpp:1039:14 #40 0x7f964c20615c in NS_ProcessNextEvent(nsIThread*, bool) /src/xpcom/threads/nsThreadUtils.cpp:521:10 #41 0x7f964cfab061 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /src/ipc/glue/MessagePump.cpp:97:21 #42 0x7f964cf0cf2b in RunInternal /src/ipc/chromium/src/base/message_loop.cc:326:10 #43 0x7f964cf0cf2b in RunHandler /src/ipc/chromium/src/base/message_loop.cc:319 #44 0x7f964cf0cf2b in MessageLoop::Run() /src/ipc/chromium/src/base/message_loop.cc:299 #45 0x7f96526bd4df in nsBaseAppShell::Run() /src/widget/nsBaseAppShell.cpp:158:27 #46 0x7f965681d3c1 in nsAppStartup::Run() /src/toolkit/components/startup/nsAppStartup.cpp:288:30 #47 0x7f96569fdf0b in XREMain::XRE_mainRun() /src/toolkit/xre/nsAppRunner.cpp:4701:22 #48 0x7f96569ffb08 in XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4865:8 #49 0x7f9656a00f3b in XRE_main(int, char**, mozilla::BootstrapConfig const&) /src/toolkit/xre/nsAppRunner.cpp:4960:21 #50 0x4ebea3 in do_main /src/browser/app/nsBrowserApp.cpp:236:22 #51 0x4ebea3 in main /src/browser/app/nsBrowserApp.cpp:309 #52 0x7f9669b7882f in __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291 #53 0x41d9f8 in _start (firefox+0x41d9f8)

Opt builds started crashing after bug 1342951 landed. INFO: Last good revision: a86e0e1c7c6318e9664af75c05bcb3ea79687cf4 INFO: First bad revision: 309140f65fc5820fa8ccab5f238d8d5c48283f82 INFO: Pushlog: https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=a86e0e1c7c6318e9664af75c05bcb3ea79687cf4&tochange=309140f65fc5820fa8ccab5f238d8d5c48283f82 Also present in debug builds: Assertion failure: false (should have already reflowed the kid), at /builds/worker/workspace/build/src/layout/svg/SVGTextFrame.cpp:5171

Bug 1403583 is going to fix this on 57 by backing out the regressing patch.

Verified fixed for Fx57 by bug 1403583.

Pushed by ryanvm@gmail.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/2cb08034cac4 Add crashtest. r=me