1493582 - Crash in js::HeapSlot::post

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect, P2)

Description

[baffclan]

This bug was filed from the Socorro interface and is
report bp-aebb984b-c36f-4666-936e-a43b70180924.
=============================================================

Top 10 frames of crashing thread:

0 xul.dll js::HeapSlot::post js/src/gc/Barrier.h:721
1 xul.dll js::SavedFrame::initFromLookup js/src/vm/SavedStacks.cpp:566
2 xul.dll js::SavedStacks::getOrCreateSavedFrame js/src/vm/SavedStacks.cpp:1733
3 xul.dll js::SavedStacks::adoptAsyncStack js/src/vm/SavedStacks.cpp:1656
4 xul.dll js::SavedStacks::insertFrames js/src/vm/SavedStacks.cpp:1554
5 xul.dll js::SavedStacks::saveCurrentStack js/src/vm/SavedStacks.cpp:1295
6 xul.dll JS::CaptureCurrentStack js/src/jsapi.cpp:7060
7 xul.dll PromiseDebugInfo::setResolutionInfo js/src/builtin/Promise.cpp:385
8 xul.dll static bool ResolvePromise js/src/builtin/Promise.cpp:1083
9 xul.dll static bool FulfillMaybeWrappedPromise js/src/builtin/Promise.cpp:1124

=============================================================


Application Basics: 
Name: Firefox
Version: 64.0a1
Build ID: 20180923220427
Update Channel: nightly
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0
OS: Windows_NT 10.0

Comment 1

[Nicolas B. Pierron [:nbp]]

This issue was opened for a big spike on Nightly September 20, and disappear quickly after.

However, now this signature reappeared. Looking at crashes, it seems that this issue came from a patch which was not in 64.0b1 and is in 64.0b2.

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

Closing because no crashes reported for 12 weeks.