** 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 Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1931602 Title: [apparmor] Segfault in logs with apparmor enabled Status in firefox package in Ubuntu: Confirmed Status in firefox source package in Focal: Confirmed Status in firefox source package in Hirsute: New Status in firefox source package in Impish: New Bug description: [Impact] * 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 * launch Firefox * 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] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1931602/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
