rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6632/1:b.el
rcu: 	(detected by 1, t=10502 jiffies, g=12193, q=3665 ncpus=2)
task:syz.0.216       state:R  running task     stack:23728 pid:6632  tgid:6631  ppid:5826   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
 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:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:396
Code: 8c e8 d4 63 67 0a 65 66 8b 05 b4 00 a2 7e 66 85 c0 75 5d bf 01 00 00 00 e8 0d be 0b 00 e8 68 67 45 00 fb 65 8b 05 78 00 a2 7e <85> c0 75 05 e8 f7 81 a8 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc9001ede75e0 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff92003dbcec0 RCX: ffffffff817b387a
RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: ffffffff8c5fd5e0
RBP: ffffc9001ede7698 R08: ffffffff942ab8bf R09: 1ffffffff2855717
R10: dffffc0000000000 R11: fffffbfff2855718 R12: dffffc0000000000
R13: 1ffff92003dbcec4 R14: ffffc9001ede7620 R15: 0000000000000201
 nl80211_netlink_notify+0x452/0x840 net/wireless/nl80211.c:20136
 notifier_call_chain+0x1a7/0x3f0 kernel/notifier.c:85
 blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:380
 netlink_release+0x11a6/0x1bf0 net/netlink/af_netlink.c:764
 __sock_release net/socket.c:640 [inline]
 sock_close+0xbe/0x240 net/socket.c:1408
 __fput+0x23e/0xa50 fs/file_table.c:450
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2a/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 get_signal+0x16b2/0x1750 kernel/signal.c:3017
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f46fd985d29
RSP: 002b:00007f46fe726038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: 0000000020000000 RBX: 00007f46fdb75fa0 RCX: 00007f46fd985d29
RDX: b635773f06ebbeef RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f46fda01b08 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f46fdb75fa0 R15: 00007ffe500b61a8
 </TASK>
vkms_vblank_simulate: vblank timer overrun