1233416 - crash in SkPoint::setRectFan

Status: RESOLVED DUPLICATE of bug 1254456

(Core :: Graphics, defect)

Description

[Yury Delendik (:yury)]

This bug was filed from the Socorro interface and is 
report bp-3f27a93e-0154-494f-bec4-0be922151217.
=============================================================

STR:
1. (Download and) open PDF file with internal PDF viewer (see URL field)
2. Scroll down using trackpad two-finger scroll several (5-10) pages at a time, with stopping to allow some text to repaint

Bisect result show that it's related to turning skia on OSX:

24:14.88 LOG: MainThread Bisector INFO Last good revision: e5746165c704a82fc92d059ef9303562d6b3c886
24:14.88 LOG: MainThread Bisector INFO First bad revision: 5ed72fdd632767e03d6862efd10fc15a34256845
24:14.88 LOG: MainThread Bisector INFO Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=e5746165c704a82fc92d059ef9303562d6b3c886&tochange=5ed72fdd632767e03d6862efd10fc15a34256845

Comment 1

[Yury Delendik (:yury)]

crash-stats has a number of reports for FennecAndroid with same stack trace. I wonder if there are non-PDF viewer pages there.

Comment 2

[u279076]

(In reply to Yury Delendik (:yury) from comment #1)
> I wonder if there are non-PDF viewer pages there.

URLs from Fennec crashes:
http://www.mtvbump.com/canvas
http://www.paltalk.com/g2/webapp/groups/GroupsPage.wmt
https://www.airbnb.com/rooms/1282699

Comment 3

[Yury Delendik (:yury)]

(In reply to Anthony Hughes, QA Mentor (:ashughes) from comment #2)
> (In reply to Yury Delendik (:yury) from comment #1)
> > I wonder if there are non-PDF viewer pages there.
> 
> URLs from Fennec crashes:
> http://www.mtvbump.com/canvas
> http://www.paltalk.com/g2/webapp/groups/GroupsPage.wmt
> https://www.airbnb.com/rooms/1282699

Interesting that the last two has no canvas usage, so probably hosted ads (with animation?) could trigger this crash.

Comment 4

[Xidorn Quan [:xidorn] UTC+11]

That bug has a pending patch so I tend to duplicate this bug, although there is actually more useful information here...