This is now fixed in 0.41 which uses Malone cloakroom upload. No more fiddling with manually attaching cryptic file names.
** Changed in: apport (Ubuntu) Status: Unconfirmed => Fix Released -- cannot upload crashdumps from system users https://launchpad.net/bugs/79667 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs