Quantum Flow Engineering Newsletter #2
ehsan.akhgari at gmail.com
Thu Mar 16 21:31:53 UTC 2017
On Thu, Mar 16, 2017 at 4:27 PM, Kris Maglione <kmaglione at mozilla.com>
> On Thu, Mar 16, 2017 at 11:07:19AM -0400, Ehsan Akhgari wrote:
>> This is why a while ago we decided to disallow the addition of new
>> synchronous IPC messages by default (bug 1336919) to avoid programmers
>> adding more issues of this nature to the code base.
> Are there any plans to do something similar for sync message manager
> messages from JS? It seems like it would make sense to have a whitelist for
> those too, and require review from an IPC peer when making changes to it.
Great question -- I recently found out that navigator.userAgent suffers
from a sync IPC issue in JS
<https://bugzilla.mozilla.org/show_bug.cgi?id=1347425> that was hidden in
our existing telemetry probes. I filed bug 1348116
<https://bugzilla.mozilla.org/show_bug.cgi?id=1348116> for the whitelist
you suggested. I also filed bug 1348113
<https://bugzilla.mozilla.org/show_bug.cgi?id=1348113> to get better
telemetry for sync IPC caused by JS.
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