Greeting, FYI, we noticed the following commit (built with gcc-11): commit: 81151ce462e533551f3284bfdb8e0f461c9220e6 ("wifi: mac80211: support MLO authentication/association with one link") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: hwsim version: hwsim-x86_64-717e5d7-1_20220525 with following parameters: test: group-17 ucode: 0xec on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz 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 2022-07-26 17:59:34 ./run-tests.py ap_ft_ptk_rekey DEV: wlan0: 02:00:00:00:00:00 DEV: wlan1: 02:00:00:00:01:00 DEV: wlan2: 02:00:00:00:02:00 APDEV: wlan3 APDEV: wlan4 START ap_ft_ptk_rekey 1/1 Test: WPA2-PSK-FT PTK rekeying triggered by station after roam Starting AP wlan3 Starting AP wlan4 Connect to first AP Connect STA wlan0 to AP Roam to the second AP Roam back to the first AP No event received after roam Traceback (most recent call last): File "/lkp/benchmarks/hwsim/tests/hwsim/./run-tests.py", line 534, in main t(dev, apdev) File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ft.py", line 2891, in test_ap_ft_ptk_rekey check_ptk_rekey(dev[0], hapd0, hapd1) File "/lkp/benchmarks/hwsim/tests/hwsim/test_ap_ft.py", line 2874, in check_ptk_rekey raise Exception("No event received after roam") Exception: No event received after roam FAIL ap_ft_ptk_rekey 7.83503 2022-07-26 17:59:43.156542 passed 0 test case(s) skipped 0 test case(s) failed tests: ap_ft_ptk_rekey 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. -- 0-DAY CI Kernel Test Service https://01.org/lkp