1421488 - Assertion failure: aFrame->StyleContext()->IsNonInheritingAnonBox() (Why did this frame not end up with a parent context?), at /builds/worker/workspace/build/src/layout/base/ServoRestyleManager.cpp:1587

Status: NEW

(Core :: Layout, defect, P3)

Description

[Jason Kratzer [:jkratzer]]

Attachment: trigger.html

Testcase found while fuzzing mozilla-central rev c2248f853469.

==12070==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7fc155e1a238 bp 0x7ffe4e7b4ec0 sp 0x7ffe4e7b4d20 T0)
==12070==The signal is caused by a WRITE memory access.
==12070==Hint: address points to the zero page.
    #0 0x7fc155e1a237 in mozilla::ServoRestyleManager::DoReparentStyleContext(nsIFrame*, mozilla::ServoStyleSet&) /builds/worker/workspace/build/src/layout/base/ServoRestyleManager.cpp:1658:22
    #1 0x7fc155e16ac1 in mozilla::ServoRestyleManager::ReparentStyleContext(nsIFrame*) /builds/worker/workspace/build/src/layout/base/ServoRestyleManager.cpp:1519:3
    #2 0x7fc155e65259 in ReparentFrames(nsCSSFrameConstructor*, nsContainerFrame*, nsFrameList const&, bool) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:517:5
    #3 0x7fc155e7bf0c in nsCSSFrameConstructor::WrapFramesInFirstLineFrame(nsFrameConstructorState&, nsIContent*, nsContainerFrame*, nsFirstLineFrame*, nsFrameItems&) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:11326:3
    #4 0x7fc155e54ca1 in nsCSSFrameConstructor::ProcessChildren(nsFrameConstructorState&, nsIContent*, nsStyleContext*, nsContainerFrame*, bool, nsFrameItems&, bool, PendingBinding*, nsIFrame*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:11204:5
    #5 0x7fc155e5a4d9 in nsCSSFrameConstructor::ConstructBlock(nsFrameConstructorState&, nsIContent*, nsContainerFrame*, nsContainerFrame*, nsStyleContext*, nsContainerFrame**, nsFrameItems&, nsIFrame*, PendingBinding*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:12133:3
    #6 0x7fc155e5f373 in nsCSSFrameConstructor::ConstructNonScrollableBlockWithConstructor(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&, nsBlockFrame* (*)(nsIPresShell*, nsStyleContext*)) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:5094:3
    #7 0x7fc155e624f7 in nsCSSFrameConstructor::ConstructNonScrollableBlock(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItem&, nsContainerFrame*, nsStyleDisplay const*, nsFrameItems&) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:5058:10
    #8 0x7fc155e61197 in nsCSSFrameConstructor::ConstructFrameFromItemInternal(nsCSSFrameConstructor::FrameConstructionItem&, nsFrameConstructorState&, nsContainerFrame*, nsFrameItems&) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:4005:7
    #9 0x7fc155e685c5 in nsCSSFrameConstructor::ConstructFramesFromItem(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList::Iterator&, nsContainerFrame*, nsFrameItems&) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:6342:3
    #10 0x7fc155e54045 in nsCSSFrameConstructor::ConstructFramesFromItemList(nsFrameConstructorState&, nsCSSFrameConstructor::FrameConstructionItemList&, nsContainerFrame*, bool, nsFrameItems&) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:10879:5
    #11 0x7fc155e54c02 in nsCSSFrameConstructor::ProcessChildren(nsFrameConstructorState&, nsIContent*, nsStyleContext*, nsContainerFrame*, bool, nsFrameItems&, bool, PendingBinding*, nsIFrame*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:11193:3
    #12 0x7fc155e5a4d9 in nsCSSFrameConstructor::ConstructBlock(nsFrameConstructorState&, nsIContent*, nsContainerFrame*, nsContainerFrame*, nsStyleContext*, nsContainerFrame**, nsFrameItems&, nsIFrame*, PendingBinding*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:12133:3
    #13 0x7fc155e580e7 in nsCSSFrameConstructor::ConstructDocElementFrame(mozilla::dom::Element*, nsILayoutHistoryState*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:2757:5
    #14 0x7fc155e6ce39 in nsCSSFrameConstructor::ContentRangeInserted(nsIContent*, nsIContent*, nsIContent*, nsILayoutHistoryState*, nsCSSFrameConstructor::InsertionKind, TreeMatchContext*) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:8026:9
    #15 0x7fc155e6bd03 in nsCSSFrameConstructor::ContentInserted(nsIContent*, nsIContent*, nsILayoutHistoryState*, nsCSSFrameConstructor::InsertionKind) /builds/worker/workspace/build/src/layout/base/nsCSSFrameConstructor.cpp:7899:3
    #16 0x7fc155dd1e55 in mozilla::PresShell::Initialize(int, int) /builds/worker/workspace/build/src/layout/base/PresShell.cpp:1783:26
    #17 0x7fc15247da36 in nsContentSink::StartLayout(bool) /builds/worker/workspace/build/src/dom/base/nsContentSink.cpp:1288:26
    #18 0x7fc151702c8f in nsHtml5TreeOpExecutor::StartLayout(bool*) /builds/worker/workspace/build/src/parser/html/nsHtml5TreeOpExecutor.cpp:672:18
    #19 0x7fc1517006ca in nsHtml5TreeOperation::Perform(nsHtml5TreeOpExecutor*, nsIContent**, bool*, bool*) /builds/worker/workspace/build/src/parser/html/nsHtml5TreeOperation.cpp:1219:17
    #20 0x7fc1516fe566 in nsHtml5TreeOpExecutor::RunFlushLoop() /builds/worker/workspace/build/src/parser/html/nsHtml5TreeOpExecutor.cpp:492:29
    #21 0x7fc151708604 in nsHtml5ExecutorFlusher::Run() /builds/worker/workspace/build/src/parser/html/nsHtml5StreamParser.cpp:130:20
    #22 0x7fc14fc7491c in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/workspace/build/src/xpcom/threads/nsThread.cpp:1033:14
    #23 0x7fc14fc97098 in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/workspace/build/src/xpcom/threads/nsThreadUtils.cpp:508:10
    #24 0x7fc150897693 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/workspace/build/src/ipc/glue/MessagePump.cpp:97:21
    #25 0x7fc1507ddba8 in MessageLoop::RunInternal() /builds/worker/workspace/build/src/ipc/chromium/src/base/message_loop.cc:326:10
    #26 0x7fc1507dda2c in MessageLoop::Run() /builds/worker/workspace/build/src/ipc/chromium/src/base/message_loop.cc:299:3
    #27 0x7fc1558354ca in nsBaseAppShell::Run() /builds/worker/workspace/build/src/widget/nsBaseAppShell.cpp:157:27
    #28 0x7fc158b9d554 in nsAppStartup::Run() /builds/worker/workspace/build/src/toolkit/components/startup/nsAppStartup.cpp:288:30
    #29 0x7fc158d25abe in XREMain::XRE_mainRun() /builds/worker/workspace/build/src/toolkit/xre/nsAppRunner.cpp:4649:22
    #30 0x7fc158d27ade in XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/build/src/toolkit/xre/nsAppRunner.cpp:4811:8
    #31 0x7fc158d28b11 in XRE_main(int, char**, mozilla::BootstrapConfig const&) /builds/worker/workspace/build/src/toolkit/xre/nsAppRunner.cpp:4903:21
    #32 0x4efe7a in do_main(int, char**, char**) /builds/worker/workspace/build/src/browser/app/nsBrowserApp.cpp:231:22
    #33 0x4ef6aa in main /builds/worker/workspace/build/src/browser/app/nsBrowserApp.cpp:304:16
    #34 0x7fc16f56f82f in __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291