** Description changed: Hello. On Wed, Jun 19. 2019, Evince has been updated to version '3.18.2-1ubuntu4.5' [1]. This update added, among other things, some hardening from Ubuntu 18.10 Release. However, it seems to be impossible to open any '.pdf' files. After Evince update, I notices I can't open any '.pdf'. When I try to do it, Evince show this info: ,----[ Evince .pdf issue ] | | Cannot open document „file:///home/user/Docs/foo-bar.pdf”. - | Failed to load backend for 'application/pdf': /usr/lib/i386-linux-gnu/evince/4/backends - | /libpdfdocument.so: Invalid ELF header + | Failed to load backend for 'application/pdf': + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header | `---- There is a reference to '/usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so'. According to dpkg(1) command this file is a part of the 'libevdocument3-4' package, which is already installed (version '3.18.2-1ubuntu4.5'). I also tried to open '.pdf' file via terminal, but nothing changed. Here are the results: ,----[ $ evince Docs/foo-bar.pdf ] | - | (evince:26918): EvinceDocument-WARNING **: /usr/lib/i386-linux-gnu/evince/4/backends - | /libpdfdocument.so: Invalid ELF header + | (evince:26918): EvinceDocument-WARNING **: + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header | - | (evince:26918): EvinceDocument-WARNING **: /usr/lib/i386-linux-gnu/evince/4/backends - | /libpdfdocument.so: Invalid ELF header + | (evince:26918): EvinceDocument-WARNING **: + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header | `---- I think, that the whole problem is related with AppArmor changes in the latest update, because - for example - day before everything was okay. The described problem started right after Evince updated to the latest version. (To check differences between versions, please see 2. and 3.). The 'Evince' profile has never been changed by the Users. If it's about AppArmor: I've tried to change Evince profile mode form 'enforce' to 'complain'. Unfortunately, nothing changed. There wasn't any valuable entries in system log files etc. (I'm sorry, but for now, I can not check other variants/solutions, such as: (a) disabling Evince profile with 'aa-disable(8)' command or (b) making links between '/etc/apparmor.d/usr.bin.evince' and '/etc/apparmor.d/disable/' directory, next using 'apparmor_parser(8)' command to remove profile etc.) Here are some technical informations: ✗ Description: Ubuntu 16.04.6 LTS ✗ Release: 16.04 ✗ Architecture: x86_32/i386 ✗ Linux kernel: 4.4.0-154-generic (4.4.0-155-generic is already installed, but reboot is needed) ✓ AppArmor: 2.10.95-0ubuntu2.11 ✓ Evince: 3.18.2-1ubuntu4.5 Best regards. ______________ [1] https://lists.ubuntu.com/archives/xenial-changes/2019-June/024691.html [2] http://launchpadlibrarian.net/429511526/evince_3.18.2-1ubuntu4.4_3.18.2-1ubuntu4.5.diff.gz [3] http://launchpadlibrarian.net/429293224/evince_3.18.2-1ubuntu4.1_3.18.2-1ubuntu4.5.diff.gz
** Description changed: Hello. On Wed, Jun 19. 2019, Evince has been updated to version '3.18.2-1ubuntu4.5' [1]. This update added, among other things, some hardening from Ubuntu 18.10 Release. However, it seems to be impossible to open any '.pdf' files. After Evince update, I notices I can't open any '.pdf'. When I try to do it, Evince show this info: ,----[ Evince .pdf issue ] | | Cannot open document „file:///home/user/Docs/foo-bar.pdf”. | Failed to load backend for 'application/pdf': - | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF + | header | `---- There is a reference to '/usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so'. According to dpkg(1) command this file is a part of the 'libevdocument3-4' package, which is already installed (version '3.18.2-1ubuntu4.5'). I also tried to open '.pdf' file via terminal, but nothing changed. Here are the results: ,----[ $ evince Docs/foo-bar.pdf ] | | (evince:26918): EvinceDocument-WARNING **: - | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF + | header | | (evince:26918): EvinceDocument-WARNING **: - | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF header + | /usr/lib/i386-linux-gnu/evince/4/backends/libpdfdocument.so: Invalid ELF + | header | `---- I think, that the whole problem is related with AppArmor changes in the latest update, because - for example - day before everything was okay. The described problem started right after Evince updated to the latest version. (To check differences between versions, please see 2. and 3.). The 'Evince' profile has never been changed by the Users. If it's about AppArmor: I've tried to change Evince profile mode form 'enforce' to 'complain'. Unfortunately, nothing changed. There wasn't any valuable entries in system log files etc. (I'm sorry, but for now, I can not check other variants/solutions, such as: (a) disabling Evince profile with 'aa-disable(8)' command or (b) making links between '/etc/apparmor.d/usr.bin.evince' and '/etc/apparmor.d/disable/' directory, next using 'apparmor_parser(8)' command to remove profile etc.) Here are some technical informations: ✗ Description: Ubuntu 16.04.6 LTS ✗ Release: 16.04 ✗ Architecture: x86_32/i386 ✗ Linux kernel: 4.4.0-154-generic (4.4.0-155-generic is already installed, but reboot is needed) ✓ AppArmor: 2.10.95-0ubuntu2.11 ✓ Evince: 3.18.2-1ubuntu4.5 Best regards. ______________ [1] https://lists.ubuntu.com/archives/xenial-changes/2019-June/024691.html [2] http://launchpadlibrarian.net/429511526/evince_3.18.2-1ubuntu4.4_3.18.2-1ubuntu4.5.diff.gz [3] http://launchpadlibrarian.net/429293224/evince_3.18.2-1ubuntu4.1_3.18.2-1ubuntu4.5.diff.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1835285 Title: PDF files do not open. 'Failed to load backend for 'application/pdf': libpdfdocument.so' and 'Invalid ELF header'. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1835285/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
