[linux-next:master] [wifi] dd40677999: hwsim.pmksa_cache_preauth_vlan_used.fail

Hello,

kernel test robot noticed "hwsim.pmksa_cache_preauth_vlan_used.fail" on:

commit: dd406779999fa2065ec6b7c4f80906b727041d2c ("wifi: mac80211: don't encrypt pre-auth (ETH_P_PREAUTH) frames")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master 3652b49adac266a3d27cb41cdfdb7d8790fc3633]

in testcase: hwsim
version: hwsim-x86_64-890d573a1-1_20260621
with following parameters:

	test: group-31



config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)



If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]


2026-07-29 04:48:06 ./run-tests.py pmksa_cache_preauth_vlan_used
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 pmksa_cache_preauth_vlan_used 1/1
Test: RSN pre-authentication to generate PMKSA cache entry (station with VLAN set)
Starting AP wlan3
Connect STA wlan0 to AP
Starting AP wlan4
Exception during test execution: No PMKSA cache entry created from pre-authentication
Traceback (most recent call last):
  File "/lkp/benchmarks/hwsim/tests/hwsim/./run-tests.py", line 635, in main
    t(dev, apdev)
    ~^^^^^^^^^^^^
  File "/lkp/benchmarks/hwsim/tests/hwsim/test_pmksa_cache.py", line 592, in test_pmksa_cache_preauth_vlan_used
    run_pmksa_cache_preauth_vlan_used(dev, apdev, None, force_disconnect=True)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/lkp/benchmarks/hwsim/tests/hwsim/test_pmksa_cache.py", line 605, in run_pmksa_cache_preauth_vlan_used
    generic_pmksa_cache_preauth(dev, apdev, extraparams,
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
                                "vlan1", "brvlan1",
                                ^^^^^^^^^^^^^^^^^^^
                                force_disconnect=force_disconnect)
                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/lkp/benchmarks/hwsim/tests/hwsim/test_pmksa_cache.py", line 518, in generic_pmksa_cache_preauth
    raise Exception("No PMKSA cache entry created from pre-authentication")
Exception: No PMKSA cache entry created from pre-authentication
FAIL pmksa_cache_preauth_vlan_used 5.838044 2026-07-29 04:48:12.967860
passed 0 test case(s)
skipped 0 test case(s)
failed tests: pmksa_cache_preauth_vlan_used



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260731/[email protected]



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki