The permission denied errors appear unrelated: after stopping apparmor and restarting cups, I still get:
[932499.635684] cupsd[855122]: segfault at 0 ip 00007f39be2ff98c sp 00007ffc12737718 error 4 in libc.so.6[7f39be176000+195000] [932499.635695] Code: 1e fa 89 f8 31 d2 62 a1 fd 00 ef c0 09 f0 25 ff 0f 00 00 3d 80 0f 00 00 0f 8f 70 03 00 00 62 e1 fe 28 6f 0f 62 b2 75 20 26 d1 <62> f3 75 22 3f 0e 00 c5 fb 93 c9 ff c1 74 45 f3 0f bc d1 0f b6 04 [932503.181032] landscape-packa[855168]: segfault at 7ff7440e7fc0 ip 00007ff32fbd3b7a sp 00007ffc2e910360 error 4 in apt_pkg.cpython-310-x86_64-linux-gnu.so[7ff32fbcd000+1f000] [932503.181041] Code: 48 8b 55 20 4c 8b 75 28 49 89 c4 8b 52 08 49 8b 46 50 48 8d 14 52 4c 8d 3c d0 4c 39 f8 0f 84 b0 00 00 00 4c 8b 2d 0e 04 03 00 <41> 8b 17 31 f6 4c 89 ef 48 8d 04 d5 00 00 00 00 48 29 d0 49 8b 56 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1966590 Title: cups segfault when printing or editing printers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1966590/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
