rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P2993/1:b..l P5209/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=12017, q=1187 ncpus=2)
task:udevd           state:R  running task     stack:24712 pid:5209  tgid:5209  ppid:1      task_flags:0x400140 flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1b88/0x5240 kernel/sched/core.c:6767
 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0xb37/0x23b0 arch/x86/kernel/unwind_orc.c:592
Code: 44 24 50 80 3c 28 00 4c 8b 24 24 48 8b 9c 24 80 00 00 00 74 08 48 89 df e8 b6 51 bf 00 48 8b 44 24 08 48 89 03 ba 10 00 00 00 <48> 8b 5c 24 30 48 89 df 31 f6 e8 7a 53 bf 00 e9 39 0a 00 00 48 89
RSP: 0018:ffffc90003fdf228 EFLAGS: 00000246
RAX: ffffc90003fdf6c0 RBX: ffffc90003fdf338 RCX: 1ffff920007fbe60
RDX: 0000000000000010 RSI: 0000000000000002 RDI: ffffc90003fdf6b8
RBP: dffffc0000000000 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003fdf300
R13: ffffc90003fe0000 R14: ffffffff8222072e R15: ffffc90003fd8000
 arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfc/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x76/0x1e0 mm/page_owner.c:308
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1262 [inline]
 __free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2725
 discard_slab mm/slub.c:2730 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3199
 put_cpu_partial+0x17e/0x250 mm/slub.c:3274
 __slab_free+0x294/0x390 mm/slub.c:4526
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4161 [inline]
 slab_alloc_node mm/slub.c:4210 [inline]
 __do_kmalloc_node mm/slub.c:4340 [inline]
 __kmalloc_noprof+0x238/0x4d0 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x2be/0x640 security/tomoyo/file.c:822
 security_inode_getattr+0x130/0x330 security/security.c:2377
 vfs_getattr fs/stat.c:256 [inline]
 vfs_statx_path fs/stat.c:296 [inline]
 vfs_statx+0x17f/0x4a0 fs/stat.c:353
 vfs_fstatat+0xdc/0x150 fs/stat.c:372
 __do_sys_newfstatat fs/stat.c:536 [inline]
 __se_sys_newfstatat fs/stat.c:530 [inline]
 __x64_sys_newfstatat+0x11f/0x1a0 fs/stat.c:530
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9728f165f4
RSP: 002b:00007fffbffdcd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00005580268416d0 RCX: 00007f9728f165f4
RDX: 00007fffbffdcd78 RSI: 000055802682f7ff RDI: 00000000ffffff9c
RBP: 000055805f976448 R08: 00062305ed946d00 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00062305ed946d00 R15: 0000558026835dca
 </TASK>
task:kworker/u8:10   state:R  running task     stack:24168 pid:2993  tgid:2993  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1b88/0x5240 kernel/sched/core.c:6767
 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:ieee80211_sta_get_rates+0x429/0x670 net/mac80211/util.c:-1
Code: 48 8b 54 24 30 48 89 d0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 53 09 1a 44 39 7c 24 68 0f 84 cb 00 00 00 e8 ea a8 1a f6 49 ff c7 <e9> c8 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f9 fe ff ff 48
RSP: 0018:ffffc9000b2d76d8 EFLAGS: 00000203
RAX: ffffffff8ba81436 RBX: 0000000000000014 RCX: ffff888030f90000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 000000000000005a
RBP: 000000000000005a R08: ffffffff8ba81392 R09: ffffffff8503c569
R10: 000000000000000c R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000003 R14: ffff8880794030d0 R15: 0000000000000002
 ieee80211_update_sta_info net/mac80211/ibss.c:990 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1100 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1581 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1263/0x2e20 net/mac80211/ibss.c:1608
 ieee80211_iface_process_skb net/mac80211/iface.c:1625 [inline]
 ieee80211_iface_work+0x933/0x1100 net/mac80211/iface.c:1679
 cfg80211_wiphy_work+0x2f2/0x490 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac5/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b9/0x940 kernel/kthread.c:464
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>