"Assertion failure: mElements.Contains(cur)" with createShadowRoot and removing stylesheet

RESOLVED FIXED in Firefox 57

Status

()

defect
P2
critical
RESOLVED FIXED
3 years ago
4 months ago

People

(Reporter: jruderman, Assigned: emilio)

Tracking

(Blocks 1 bug, {assertion, testcase})

Trunk
mozilla57
Points:
---
Dependency tree / graph
Bug Flags:
in-testsuite +

Firefox Tracking Flags

(firefox-esr52 disabled, firefox56 disabled, firefox57 fixed)

Details

Attachments

(2 attachments)

Posted file testcase
Assertion failure: mElements.Contains(cur), at layout/style/nsCSSRuleProcessor.cpp:4099

DOMFuzz found this by modifying https://dxr.mozilla.org/mozilla-central/source/layout/reftests/css-display/display-contents-shadow-dom-1.html
Posted file stack
Flags: needinfo?(william)
Priority: -- → P2
Tested with webcomponents preffed on and Stylo preffed off.

Fix range:
INFO: First good revision: 3c698f2b2eed6e29d6346c798e6234bd5b2696c4
INFO: Last bad revision: bfea6090979c54bea1d4b7ef56a8fa8f641da39a
INFO: Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=bfea6090979c54bea1d4b7ef56a8fa8f641da39a&tochange=3c698f2b2eed6e29d6346c798e6234bd5b2696c4

Presumably something in Emilio's push. NI myself to land a crashtest.
Assignee: nobody → emilio
Status: NEW → RESOLVED
Has Regression Range: --- → no
Closed: 2 years ago
Flags: needinfo?(ryanvm)
Flags: in-testsuite?
Resolution: --- → FIXED
Target Milestone: --- → mozilla57
Flags: needinfo?(ryanvm)
Flags: in-testsuite?
Flags: in-testsuite+
Component: DOM → DOM: Core & HTML
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