rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P36/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=43825, q=319 ncpus=2)
task:kworker/u8:2    state:R  running task     stack:23912 pid:36    tgid:36    ppid:2      task_flags:0x4208160 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5397 [inline]
 __schedule+0x116a/0x5dd0 kernel/sched/core.c:6786
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7109
 irqentry_exit+0x36/0x90 kernel/entry/common.c:307
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__read_once_word_nocheck+0x0/0x10 include/asm-generic/rwonce.h:67
Code: 98 42 8e e8 a2 2b a2 03 e9 c8 fa ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 07 c3 cc cc cc cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
RSP: 0018:ffffc90000ac7888 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffc90000ac8000
RDX: ffffc90000ac7e01 RSI: ffffc90000ac7e78 RDI: ffffc90000ac7e78
RBP: ffffc90000ac7948 R08: ffffffff913fec04 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000083c7 R12: ffffc90000ac7950
R13: ffffc90000ac7900 R14: ffffc90000ac7e80 R15: ffffc90000ac7934
 deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
 unwind_next_frame+0xb8f/0x20a0 arch/x86/kernel/unwind_orc.c:585
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x160/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706
 discard_slab mm/slub.c:2717 [inline]
 __put_partials+0x16d/0x1c0 mm/slub.c:3186
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:385
 kmalloc_node_noprof include/linux/slab.h:928 [inline]
 alloc_worker kernel/workqueue.c:2647 [inline]
 create_worker+0x10f/0x7e0 kernel/workqueue.c:2790
 maybe_create_worker kernel/workqueue.c:3063 [inline]
 manage_workers kernel/workqueue.c:3115 [inline]
 worker_thread+0x9dd/0xf10 kernel/workqueue.c:3377
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>