1890562 - [wpt-sync] Sync PR 45629 - Fix infinite loop in NearestMatchingAncestor

Status: RESOLVED FIXED

(Core :: DOM: Core & HTML, task, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 45629 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/45629
Details from upstream follow.

Mason Freed <[e-mail]> wrote:

Fix infinite loop in NearestMatchingAncestor

It was possible for an invoker/anchor to point back to itself
in a way that could cause an infinite loop. The new test case
exercises this path, and new DCHECKs make sure such a loop isn't
possible.

Fixed: 333424886
Change-Id: Ieb2cda38c5739d9faa4c1995ec43c04151273517
Reviewed-on: https://chromium-review.googlesource.com/5439715
WPT-Export-Revision: 3f03cea25bd1609f4b25d60d9db79029873adfa6

Comment 1

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Pushed to try (stability) https://treeherder.mozilla.org/#/jobs?repo=try&revision=4e3c04eadcd4b4c20fb0263b2230086957d2ffe9

Comment 2

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

CI Results

Ran 9 Firefox configurations based on mozilla-central, and Firefox, Chrome, and Safari on GitHub CI

Total 1 tests and 1 subtests

Status Summary

Firefox

OK : 1
PASS : 1

Chrome

TIMEOUT: 1

Safari

OK : 1
PASS : 1

Links

Gecko CI (Treeherder)
GitHub PR Head
GitHub PR Base

Comment 3

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/dfca54afd273