1411143 - stylo: Assertion failure: mExtraData->GetReferrer(), at /builds/worker/workspace/build/src/layout/style/ServoBindings.cpp:1501

Status: RESOLVED FIXED

(Core :: CSS Parsing and Computation, defect, P3)

Description

[Jason Kratzer [:jkratzer]]

Attachment: trigger.html

Testcase found while fuzzing mozilla-central rev 0bd9b61304e2.

Comment 1

[Jason Kratzer [:jkratzer]]

Attachment: log_minidump.txt

Comment 2

[Jason Kratzer [:jkratzer]]

Attachment: log_stderr.txt

Comment 3

[Xidorn Quan [:xidorn] UTC+11]

Taking for investigating.

Comment 4

[Xidorn Quan [:xidorn] UTC+11]

Attachment: simplified testcase

This is a simplified testcase.

So the problem here is that, the stylesheet has a content-type of image/png, which means we would refuse to load it, and thus it is a fail-to-load stylesheet. IIRC we create some dummy url data for such stylesheet, which may lead to this.

Comment 5

[Xidorn Quan [:xidorn] UTC+11]

Attachment: Bug 1411143 - Give dummy URL extra data a dummy referrer rather than null.

Review commit: https://reviewboard.mozilla.org/r/192392/diff/#index_header
See other reviews: https://reviewboard.mozilla.org/r/192392/

Comment 6

[Boris Zbarsky [:bzbarsky]]

Comment on attachment 8921374 [details]
Bug 1411143 - Give dummy URL extra data a dummy referrer rather than null.

https://reviewboard.mozilla.org/r/192392/#review197834

Comment 7

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/0adee90257d8
Give dummy URL extra data a dummy referrer rather than null. r=bz

Comment 8

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://hg.mozilla.org/mozilla-central/rev/0adee90257d8