rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P12911/1:b.el
rcu: 	(detected by 0, t=10502 jiffies, g=41281, q=3859 ncpus=2)
task:syz.0.1226      state:R  running task     stack:25400 pid:12911 tgid:12907 ppid:5835   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:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <e9> 99 bc 50 0a 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90
RSP: 0018:ffffc90002f57860 EFLAGS: 00000287
RAX: ffffffff8b23572c RBX: ffff888033950008 RCX: 0000000000080000
RDX: ffffc9000f09f000 RSI: 00000000000034ce RDI: 00000000000034cf
RBP: ffff8880339501c8 R08: ffffffff942a58bf R09: 1ffffffff2854b17
R10: dffffc0000000000 R11: fffffbfff2854b18 R12: dffffc0000000000
R13: ffffc90002f57a48 R14: ffff8880339501c8 R15: ffff88807c8f00f0
 nl80211_netlink_notify+0x2cc/0x840 net/wireless/nl80211.c:20116
 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
 get_signal+0x15f7/0x1750 kernel/signal.c:2790
 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: 0033:0x7f8c73787bbc
RSP: 002b:00007f8c7459fec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 0000000000000020 RBX: 00007f8c7459ffc0 RCX: 00007f8c73787bbc
RDX: 0000000000000020 RSI: 00007f8c745a0010 RDI: 000000000000000b
RBP: 0000000000000000 R08: 00007f8c7459ff14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000000b
R13: 00007f8c7459ff68 R14: 00007f8c745a0010 R15: 0000000000000000
 </TASK>