rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=653/1/0x4000000000000000 softirq=158396/158397 fqs=5247 
	(t=10501 jiffies g=286773 q=257)
NMI backtrace for cpu 0
CPU: 0 PID: 30976 Comm: syz-executor.3 Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3878 [inline]
 rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_is_held_type+0x103/0x140 kernel/locking/lockdep.c:5685
Code: ff ff ff 65 0f c1 05 9c 4d b0 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 44 89 e8 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 c7 c7 00 0b
RSP: 0018:ffffc90000007bd8 EFLAGS: 00000292
RAX: 0000000000000000 RBX: 1ffff92000000f85 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000103 RDI: 0000000000000000
RBP: ffffffff8bb839a0 R08: 0000000000000000 R09: ffffffff8d9172d7
R10: fffffbfff1b22e5a R11: 0000000000000000 R12: ffff8880793d9d00
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8880793da850
 lock_is_held include/linux/lockdep.h:283 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x442/0x510 kernel/locking/lockdep.c:5608
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:349 [inline]
 pie_timer+0x86/0x180 net/sched/sch_pie.c:429
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __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:lockdep_enabled kernel/locking/lockdep.c:91 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5613 [inline]
RIP: 0010:lock_acquire+0x13b/0x510 kernel/locking/lockdep.c:5602
Code: 85 14 01 00 00 65 48 8b 14 25 40 70 02 00 48 8d ba 5c 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 70 03 00 00 8b
RSP: 0018:ffffc900143b73c0 EFLAGS: 00000a07
RAX: dffffc0000000000 RBX: 1ffff92002876e7a RCX: 0000000000000000
RDX: ffff8880793d9d00 RSI: 0000000000000002 RDI: ffff8880793da75c
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8d9172d7
R10: fffffbfff1b22e5a R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8b814708 R15: 0000000000000000
 do_write_seqcount_begin_nested include/linux/seqlock.h:520 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:545 [inline]
 write_seqlock include/linux/seqlock.h:891 [inline]
 lock_mount_hash fs/namespace.c:102 [inline]
 mntput_no_expire+0x2a6/0xcd0 fs/namespace.c:1178
 mntput+0x67/0x90 fs/namespace.c:1233
 simple_recursive_removal+0x44f/0x760 fs/libfs.c:296
 debugfs_remove fs/debugfs/inode.c:732 [inline]
 debugfs_remove+0x59/0x80 fs/debugfs/inode.c:726
 ieee80211_debugfs_remove_netdev+0x43/0xc0 net/mac80211/debugfs_netdev.c:851
 ieee80211_teardown_sdata net/mac80211/iface.c:716 [inline]
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1728 [inline]
 ieee80211_if_change_type+0x395/0x840 net/mac80211/iface.c:1764
 ieee80211_change_iface+0x57/0x3d0 net/mac80211/cfg.c:189
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x5f0/0xf50 net/wireless/util.c:1075
 nl80211_set_interface+0x659/0x8c0 net/wireless/nl80211.c:3976
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 __sys_sendto+0x21c/0x320 net/socket.c:2036
 __do_sys_sendto net/socket.c:2048 [inline]
 __se_sys_sendto net/socket.c:2044 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044
 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: 0033:0x7f5176c148ac
Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b
RSP: 002b:00007f51741d5f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f51741d60f0 RCX: 00007f5176c148ac
RDX: 0000000000000024 RSI: 00007f51741d6140 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007f51741d5fd4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f51741d6140 R14: 0000000000000004 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	ff 65 0f             	jmpq   *0xf(%rbp)
   3:	c1 05 9c 4d b0 76 83 	roll   $0x83,0x76b04d9c(%rip)        # 0x76b04da6
   a:	f8                   	clc
   b:	01 75 29             	add    %esi,0x29(%rbp)
   e:	9c                   	pushfq
   f:	58                   	pop    %rax
  10:	f6 c4 02             	test   $0x2,%ah
  13:	75 3d                	jne    0x52
  15:	48 f7 04 24 00 02 00 	testq  $0x200,(%rsp)
  1c:	00
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 83 c4 08          	add    $0x8,%rsp
  24:	44 89 e8             	mov    %r13d,%eax
  27:	5b                   	pop    %rbx
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	41 5c                	pop    %r12
  2b:	41 5d                	pop    %r13
  2d:	41 5e                	pop    %r14
  2f:	41 5f                	pop    %r15
  31:	c3                   	retq
  32:	45 31 ed             	xor    %r13d,%r13d
  35:	eb b9                	jmp    0xfffffff0
  37:	0f 0b                	ud2
  39:	48                   	rex.W
  3a:	c7                   	.byte 0xc7
  3b:	c7                   	.byte 0xc7
  3c:	00 0b                	add    %cl,(%rbx)