Firefox profile causes widevine DRM to crash

Bug #1859361 reported by Zero on 2020-01-12
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
AppArmor
Undecided
Unassigned

Bug Description

Steps to reproduce the issue:
===============================
1) Enable digital rights management support in FireFox (Preferences -> General)
2) sudo aa-enforce /etc/apparmor.d/usr.bin.firefox
3) Navigate to a site which has protected content (I tested this using crunchyroll.com)

FireFox should display a yellow bar at the top letting you know Widevine has crashed.

Workaround:
===============================
I corrected this problem by adding the following line to usr.bin.firefox:

owner /home/*/.mozilla/firefox/rutsti3o.default-release/gmp-widevinecdm/4.10.1440.19/libwidevinecdm.so m,

Conclusion:
===============================
Maybe the default FireFox profile can be updated in a way that allows it to play nice with Widevine in the future.

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