rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7235/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=22957, q=648673 ncpus=2)
task:syz.3.336       state:R  running task     stack:26888 pid:7235  tgid:7235  ppid:5848   task_flags:0x40044c flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5397 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7109
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__update_page_owner_free_handle+0xc9/0x470 include/linux/rcupdate.h:-1
Code: 1d 9b 94 ff eb 24 e8 16 9b 94 ff c6 05 f5 14 60 0d 01 48 c7 c7 a0 90 98 8b be 4b 03 00 00 48 c7 c2 20 92 98 8b e8 a7 d9 72 ff <48> bb 00 00 00 00 00 fc ff df 48 c7 c0 38 44 bb 8d 48 c1 e8 03 80
RSP: 0018:ffffc9000461f810 EFLAGS: 00000293
RAX: ffffffff822b8c51 RBX: 0000000000000001 RCX: ffff88801c738000
RDX: 0000000000000000 RSI: ffffffff8be28d20 RDI: ffffffff8be28ce0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff822b8c0e
R10: 000000000000000c R11: ffffffff81acff10 R12: ffffea000182e340
R13: ffffea000182e348 R14: ffffffff822b8c0e R15: 0000004f6ed7b1f4
 __reset_page_owner+0x85/0x1f0 mm/page_owner.c:309
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0xc71/0xe70 mm/page_alloc.c:2706
 vfree+0x25a/0x400 mm/vmalloc.c:3434
 kcov_put kernel/kcov.c:439 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:535
 __fput+0x44c/0xa70 fs/file_table.c:465
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x22e0 kernel/exit.c:964
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 00b7:0x800d903b7
RSP: 002b:0000000000000000 EFLAGS: 00000202 ORIG_RAX: fffffff800000207
RAX: ffffffff00001118 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000008b7 RSI: 00000000fff88a7b RDI: 004000000000a2bf
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>