1463741 - ESR 52.8 crashes on mobile

Status: RESOLVED WONTFIX

(Core :: JavaScript Engine, defect)

Description

[Igor Oliveira]

User Agent: Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0
Build ID: 20100101

Steps to reproduce:

The Guardian and Tor project release a mobile browser using the ESR branch called Orfox. In the ESR 52.8 release we are seeing a crash that we were able to track down and the bug #1411415 looks the culprit. This crash only happens on Android, we are not able to reproduce on Desktop.

To reproduce it, just access https://people.torproject.org/~sysrqb/mobile.nytimes.com/  and browser should crash.

Additionally, we see the following msg on android terminal:

05-23 00:07:39.398 32555 32555 F AEE/DEBUG: Abort message: 'Assertion failure: MIR instruction returned object with unexpected type, at /opt/Orfox/external/tor-browser/js/src/jit/MacroAssembler.cpp:1595

Comment 1

[Kevin Brosnan [Ex-Mozilla]]

[Tracking Requested - why for this release]: regression for tor

I don't see this crash on Mozilla builds. Where can one get the 52.8 build, it is not live in Play. Do you have any test builds of ESR 60 and do they reproduce this issue?

Comment 2

[Igor Oliveira]

ESR52.8 APK:  https://people.torproject.org/~sysrqb/fennec-52.8.0.en-US.android-arm.apk

Comment 3

[Ryan VanderMeulen [:RyanVM]]

Unfortunately, this isn't going to be fixed in ESR52. We have no more planned releases for it scheduled before EOL in September. Does ESR60 also hit this crash?

Comment 4

[Igor Oliveira]

(In reply to Ryan VanderMeulen [:RyanVM][PTO July 4-9] from comment #3)
> Unfortunately, this isn't going to be fixed in ESR52. We have no more
> planned releases for it scheduled before EOL in September. Does ESR60 also
> hit this crash?

No, it happens just on ESR52. We are not able to reproduce on ESR60.

Comment 5

[Ryan VanderMeulen [:RyanVM]]

Thanks for confirming. Sorry for the hassle :(