rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (1 GPs behind) idle=fc9/1/0x4000000000000002 softirq=238722/238723 fqs=5169 
	(detected by 0, t=10502 jiffies, g=411941, q=1413)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 26330 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lockdep_hardirqs_on+0x8/0x100 kernel/locking/lockdep.c:4298
Code: cc cc 80 3d 9b 87 21 04 00 74 01 c3 48 c7 c7 20 03 8c 89 c6 05 8a 87 21 04 01 e8 ba 92 bc ff 0f 0b c3 44 8b 05 05 42 36 04 55 <53> 65 48 8b 1c 25 40 70 02 00 45 85 c0 0f 84 85 00 00 00 65 8b 05
RSP: 0018:ffffc90000dc0d08 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1ffffffff1ae1801
RDX: 1ffff1100368ec28 RSI: 0000000000000100 RDI: ffffffff89400d42
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817e0ba2 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7a19d65700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a2c000 CR3: 0000000026b9f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__rcu_read_unlock+0xc4/0x570 kernel/rcu/tree_plugin.h:425
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e b6 01 00 00 8b 85 40 04 00 00 85 c0 75 54 <65> 48 8b 1c 25 40 70 02 00 48 8d bb 3c 04 00 00 48 b8 00 00 00 00
RSP: 0018:ffffc90000dc0dc0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: ffff8880b9d3a900 RCX: 1ffffffff1ae1801
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffffffff8b98c780 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817e0ba2 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff853a0700 R14: 0000000000000200 R15: ffffffff8539b570
 rcu_read_unlock include/linux/rcupdate.h:720 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x92/0x180 net/mac80211/util.c:831
 mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1861
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:ns_of_pid include/linux/pid.h:155 [inline]
RIP: 0010:task_active_pid_ns kernel/pid.c:509 [inline]
RIP: 0010:find_vpid+0x75/0xe0 kernel/pid.c:317
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 49 44 8b 65 04 <49> 8d 44 24 0d 48 c1 e0 04 48 8d 7c 05 08 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc9000282fca0 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 00000000000001fb RCX: ffffc90002dab000
RDX: 0000000000000000 RSI: ffffffff814d3717 RDI: ffff888073ae2644
RBP: ffff888073ae2640 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81861811 R11: 0000000000000000 R12: 0000000000000001
R13: 00000000000001fb R14: 0000000000000000 R15: ffffc9000282fe18
 bpf_task_fd_query kernel/bpf/syscall.c:4108 [inline]
 __sys_bpf+0x25b7/0x5f00 kernel/bpf/syscall.c:4669
 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4720 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4720
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7a1c7efae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7a19d65188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7a1c902f60 RCX: 00007f7a1c7efae9
RDX: 0000000000000030 RSI: 0000000020000180 RDI: 0000000000000014
RBP: 00007f7a1c849f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3144e2ff R14: 00007f7a19d65300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	80 3d 9b 87 21 04 00 	cmpb   $0x0,0x421879b(%rip)        # 0x42187a4
   9:	74 01                	je     0xc
   b:	c3                   	retq
   c:	48 c7 c7 20 03 8c 89 	mov    $0xffffffff898c0320,%rdi
  13:	c6 05 8a 87 21 04 01 	movb   $0x1,0x421878a(%rip)        # 0x42187a4
  1a:	e8 ba 92 bc ff       	callq  0xffbc92d9
  1f:	0f 0b                	ud2
  21:	c3                   	retq
  22:	44 8b 05 05 42 36 04 	mov    0x4364205(%rip),%r8d        # 0x436422e
  29:	55                   	push   %rbp
* 2a:	53                   	push   %rbx <-- trapping instruction
  2b:	65 48 8b 1c 25 40 70 	mov    %gs:0x27040,%rbx
  32:	02 00
  34:	45 85 c0             	test   %r8d,%r8d
  37:	0f 84 85 00 00 00    	je     0xc2
  3d:	65                   	gs
  3e:	8b                   	.byte 0x8b
  3f:	05                   	.byte 0x5