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charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "BugLink: http://www.launchpad.net/bugs/2141298\n\n[ Impact ]\n\nSnap packages, and profiles using the 4.0 abi are currently blocked by\nAppArmor network mediation. This is due to a regression in the network\ncompatibility patch. Without this patch snaps and applications\nconfined by profiles using a 4.0 abi are will not be able to use the\nnetwork when the system is using the 6.19 kernel.\n\n[ Test Plan ]\n\nInstall QRT and run the AppArmor regression test suite (part of\nregular QA test run). To run manually\n\n git clone https://git.launchpad.net/qa-regression-testing\n cd qa-regression-testing/scripts\n sudo ./test-apparmor.py -v\n\nManually test snap known to be affected by the failure.\n sudo snap install teams-for-linux\n snap run teams-for-linux\n\n[ Where problems could occur ]\n\nThe code affects network mediation of most socket address\nfamilies. There is potential for further regressions in confined\napplications trying to use sockets that are not broken by the current\nregression.\n\nThese would likely be limited to much older abi 2.x profiles, due that\ncurrently pass under the current regression.\n\n[ Other Info ]" }