Patch submitted upstream: https://lore.kernel.org/linux- kselftest/20250616060423.2180088-2-po- hsu....@canonical.com/T/#m42765a2fad15f91fda3053d126efefe5dde418fe
-- You received this bug notification because you are a member of Canonical Platform QA Team, which is subscribed to ubuntu-kernel-tests. https://bugs.launchpad.net/bugs/2075275 Title: run_hugetlbfs_test.sh in memfd of ubuntu_kernel_selftests causing sut- test failure on J-6.8 Status in ubuntu-kernel-tests: New Bug description: Found on Jammy 6.8 variants since 2024.04.29: * J-oracle-6.8.0-1006.6~22.04.3 (2024.04.29) * J-azure-6.8.0-1008.8~22.04.1 (2024.04.29) * J-aws-6.8.0-1009.9~22.04.2 (2024.04.29) * J-gcp-6.8.0-1010.11~22.04.1 (2024.06.10) * J-hwe-6.8.0-38.38~22.04.1 (2024.06.10) * J-ibm-6.8.0-1008.8~22.04.1 (2024.06.10) * J-lowlatency-hwe-6.8.0-38.38.1~22.04.2 (2024.06.10) * J-nvidia-6.8.0-1009.9~22.04.1 (2024.06.10) * J-realtime-6.8.1-1004.4~22.04.1 (2024.06.10) When trying to run the memfd test in ubuntu_kernel_selftests, the run_hugetlbfs_test.sh sub-test will have a leftover process the prevents the test to finish properly, and consequently causing sut- test failure in our infrastructure. $ cd ~/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ $ sudo make TARGETS=memfd $ cd memfd $ sudo ./run_hugetlbfs_test.sh memfd-hugetlb: CREATE memfd-hugetlb: BASIC memfd-hugetlb: SEAL-EXEC memfd-hugetlb: Apply SEAL_EXEC fchmod(/memfd:kern_memfd_seal_exec (deleted), 00777) didn't fail as expected ./run_hugetlbfs_test.sh: line 60: 1424 Aborted (core dumped) ./memfd_test hugetlbfs fusermount: failed to unmount /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd/mnt: Invalid argument eopening: ./mnt/memfd cho $?ADD_SEALS(4, 0 -> 8) failed: Device or resource busy 8 != 0 = GET_SEALS(4) Aborted (core dumped) $ echo $? 0 $ ps aux | grep fuse root 1431 0.0 0.0 150776 1292 ? Ssl 01:50 0:00 ./fuse_mnt ./mnt ubuntu 1454 0.0 0.0 7008 2304 pts/0 S+ 01:50 0:00 grep --color=auto fuse $ sudo strace -p 1431 strace: Process 1431 attached futex(0x7fff9738a3f0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY ^C Nothing interesting in dmesg output. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2075275/+subscriptions -- Mailing list: https://launchpad.net/~canonical-ubuntu-qa Post to : canonical-ubuntu-qa@lists.launchpad.net Unsubscribe : https://launchpad.net/~canonical-ubuntu-qa More help : https://help.launchpad.net/ListHelp