** Description changed: [Impact] - * With apparmor enabled (and usr.bin.firefox in enforce mode) there is + * With apparmor enabled (and usr.bin.firefox in enforce mode) there is a crash happening every time right after launching Firefox. [Test Plan] - * sudo aa-enforce /etc/apparmor.d/usr.bin.firefox + * sudo aa-enforce /etc/apparmor.d/usr.bin.firefox - * launch Firefox + * launch Firefox - * See a similar segfault reported in the syslog: + * See a similar segfault reported in the syslog: Jun 10 17:25:40 ubuntu kernel: [ 86.775837] firefox[1765]: segfault at 0 ip 00007f724dd06384 sp 00007fffa7aec450 error 6 in libxul.so[7f724a483000+53b2000] Jun 10 17:25:40 ubuntu kernel: [ 86.775843] Code: 00 0f 1f 44 00 00 50 80 3d f8 56 4c 04 00 74 02 58 c3 c6 05 ed 56 4c 04 01 48 8d 05 24 2c fa 02 48 8b 0d 77 f0 3a 04 48 89 01 <c7> 04 25 00 00 00 00 8d 01 00 00 e8 74 63 78 fc 66 2e 0f 1f 84 00 [Where problems could occur] + The fix adds additional paths to firefox apparmor profile (e.g. affecting /sys/devices/pci* and RealtimeKit1). When using deb version of firefox the browser may chose a different code path to execute than before, so it may affect hw acceleration (the sysfs paths were used by libxul) and audio. + Maybe rendering artifacts and audio sync issues in videos. + [Other Info]
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931602 Title: [apparmor] Segfault in logs with apparmor enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1931602/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
