1333987 - Crash in mozilla::a11y::ProxyAccessibleBase<T>::ClearChildDoc

Status: RESOLVED DUPLICATE of bug 1326084

(Core :: Disability Access APIs, defect)

Description

[Marcia Knous [:marcia]]

This bug was filed from the Socorro interface and is 
report bp-78b307ab-7a86-4ce6-bfe7-cf5f42170125.
=============================================================

Seen while looking at Nightly crash stats - crashes started using 20170125030214 build: http://bit.ly/2jriwCn.

Possible regression range: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=8ff550409e1d1f8b54f6f7f115545dbef857be0b&tochange=6dccae211ae5fec6a1c1244b878ce0b93860154f

ni on Trevor

Comment 1

[Calixte Denizet (:calixte)]

The patch [1] could be the guilty one.

[1] https://hg.mozilla.org/mozilla-central/rev?node=0498497a3282b7fc8c1b9a199587b78ff264df92

Comment 3

[Chris Peterson [:cpeterson]]

Trevor, do you need steps to reproduce bug 1326084? I don't have read access to that bug, so I can't see if you have been able to reproduce it.

I can reproduce this bug by simply opening imdb.com, waiting for the page to load, then closing the tab.

Comment 4

[Trevor Saunders (:tbsaunde)]

(In reply to Chris Peterson [:cpeterson] from comment #3)
> Trevor, do you need steps to reproduce bug 1326084? I don't have read access
> to that bug, so I can't see if you have been able to reproduce it.
> 
> I can reproduce this bug by simply opening imdb.com, waiting for the page to
> load, then closing the tab.

I've been able to reproduce that one on windows.  I can't reproduce anything on imdb.com on linux. I'll try windows tomorrow.

Comment 5

[Emma Stott]

I'm not sure if this bug and bug 1336770 are the same, so I'm posting this in both.

I'm also having very frequent crashes with this error, particularly when looking at imdb.com or amazon.co.uk.

I'm running Nightly, and first started getting these crashes in build 20170208030203 on 2017-02-10.

I have quite a few extensions, so I made a new profile and reproduced it there as follows:

1. In the new profile, went to http://www.imdb.com/title/tt3230854/
2. Clicked into season 1 (http://www.imdb.com/title/tt3230854/episodes?season=1&ref_=tt_eps_sn_1).
3. Went back, and clicked on season 2 (http://www.imdb.com/title/tt3230854/episodes?season=2&ref_=tt_eps_sn_2).
4. Repeat this a few times, going from one imdb page to another.
5. Opened a new tab and began typing amazon.co.uk.
--> Crash.

Here's the bug report: bp-804cab2c-99b1-41b1-a752-886062170212

I wasn't actually able to get back into that profile to get the about:support contents, as it crashed everytime whilst loading imdb. Here are those bug reports:

- bp-3e1ffbfa-1f74-486c-a4e6-405fd2170212
- bp-4fc20479-42d3-4ef7-b9a1-7f7332170212
- bp-f5516010-f950-4975-8df0-f48f92170212
- bp-d7ea0753-10fa-464c-ac69-c21362170212

Let me know if there's anything else I can provide that would be helpful.

Thanks! :)

Comment 6

[Chris Peterson [:cpeterson]]

Thanks for reporting, Emma. The crash you're seeing looks like the same problem, but I believe the crash should be fixed (by bug 1326084) is the latest Nightly build. If you can still reproduce this crash after forcing your Firefox Nightly to update (in Help > About menu), please reply back here or reopen this bug.