Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 42adbf37c1328d01d24a214c044f9707fba75dfd ("[PATCH v6 net-next 07/12] flow_offload: add skip_hw and skip_sw to control if offload the action") url: https://github.com/0day-ci/linux/commits/Simon-Horman/allow-user-to- offload-tc-action-to-net-device/20211209-173033 base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git 9d922f5df53844228b9f7c62f2593f4f06c0b69b patch link: https://lore.kernel.org/netdev/20211209092806.12336-8- simon.horman(a)corigine.com in testcase: kernel-selftests version: kernel-selftests-x86_64-4b301b87-1_20211215 with following parameters: group: tc-testing ucode: 0xde test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel. test-url: https://www.kernel.org/doc/Documentation/kselftest.txt on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 32G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot <oliver.sang(a)intel.com&gt; # ok 347 407b - Add skbedit action with mark exceeding 32-bit maximum # not ok 348 d4cd - Add skbedit action with valid mark and mask # Command exited with 255, expected 0 # RTNETLINK answers: Operation not supported # We have an error talking to the kernel # # not ok 349 baa7 - Add skbedit action with valid mark and 32-bit maximum mask # Command exited with 255, expected 0 # RTNETLINK answers: Operation not supported # We have an error talking to the kernel # # ok 350 62a5 - Add skbedit action with valid mark and mask exceeding 32-bit maximum To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang