------------[ cut here ]------------
[    0.000000] WARNING: kernel/trace/ftrace.c:7242 at ftrace_process_locs+0x624/0x658, CPU#0: swapper/0
[    0.000000] Extra allocated pages for ftrace
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.16.0-rc2-next-20250617 #1 NONE 
[    0.000000] Hardware name: Generic DT based system
[    0.000000] Call trace: 
[    0.000000]  unwind_backtrace from show_stack+0x18/0x1c
[    0.000000]  show_stack from dump_stack_lvl+0x6c/0x8c
[    0.000000]  dump_stack_lvl from __warn+0x98/0x14c
[    0.000000]  __warn from warn_slowpath_fmt+0x12c/0x194
[    0.000000]  warn_slowpath_fmt from ftrace_process_locs+0x624/0x658
[    0.000000]  ftrace_process_locs from ftrace_init+0x70/0x140
[    0.000000]  ftrace_init from start_kernel+0x478/0x6f8
[    0.000000]  start_kernel from 0x0
[    0.000000] ---[ end trace 0000000000000000 ]---

<8>[  134.206257] <LAVA_SIGNAL_STARTTC cgroup_test_kmem>
exit=1timeout set to 45
selftests: cgroup: test_memcontrol
ok 1 test_memcg_subtree_control
ok 2 test_memcg_current_peak
ok 3 test_memcg_min
ok 4 test_memcg_low
ok 5 test_memcg_high
ok 6 test_memcg_high_sync
ok 7 test_memcg_max
ok 8 test_memcg_reclaim
ok 9 test_memcg_oom_events
ok 10 # SKIP test_memcg_swap_max_peak
ok 11 test_memcg_sock
ok 12 test_memcg_oom_group_leaf_events
ok 13 test_memcg_oom_group_parent_events
ok 14 test_memcg_oom_group_score_events
<8>[  134.219473] <LAVA_SIGNAL_ENDTC cgroup_test_kmem>
cgroup_test_kmem_test_kmem_basic pass
cgroup_test_kmem_test_kmem_memcg_deletion pass
cgroup_test_kmem_test_kmem_proc_kpagecgroup pass
cgroup_test_kmem_test_kmem_kernel_stacks fail
cgroup_test_kmem_test_kmem_dead_cgroups fail
cgroup_test_kmem_test_percpu_basic fail
cgroup_test_kmem fail

<8>[  134.144910] <LAVA_SIGNAL_STARTTC cgroup_test_kmem_test_percpu_basic>
<8>[  134.157151] <LAVA_SIGNAL_ENDTC cgroup_test_kmem_test_percpu_basic>
cgroup_test_kmem_test_percpu_basic fail

<8>[  134.084492] <LAVA_SIGNAL_STARTTC cgroup_test_kmem_test_kmem_dead_cgroups>
<8>[  134.095260] <LAVA_SIGNAL_ENDTC cgroup_test_kmem_test_kmem_dead_cgroups>
cgroup_test_kmem_test_kmem_dead_cgroups fail

<8>[  134.016945] <LAVA_SIGNAL_STARTTC cgroup_test_kmem_test_kmem_kernel_stacks>
<8>[  134.032460] <LAVA_SIGNAL_ENDTC cgroup_test_kmem_test_kmem_kernel_stacks>
cgroup_test_kmem_test_kmem_kernel_stacks fail