rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=a8e4/1/0x4000000000000000 softirq=234241/234253 fqs=4738
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   973097          0            0
rcu: 	cputime:    37510      14978           60   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=185473 q=10166 ncpus=2)
CPU: 1 UID: 0 PID: 14824 Comm: syz.2.12185 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_acquire+0x221/0x330
Code: ff ff ff e8 e1 8c d9 09 f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 cb 4d 30 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 98 e6 32
RSP: 0018:ffffc90000a08ad0 EFLAGS: 00000282
RAX: dad1f5d644071c00 RBX: 0000000000000000 RCX: 0000000000000302
RDX: 00000000e97cbd00 RSI: ffffffff8dd3c55e RDI: ffffffff8be73f00
RBP: ffffffff8ac8f280 R08: ffffffff8ac8f280 R09: ffff888119d78168
R10: fffff520001410cc R11: fffff520001410fd R12: 0000000000000000
R13: ffff888119d78168 R14: 0000000000000001 R15: 0000000000000246
FS:  00007fed4f3dd6c0(0000) GS:ffff8882a9928000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000010000 CR3: 00000001175de000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000008d24 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 _raw_spin_lock_bh+0x36/0x50
 cfg80211_put_bss+0x40/0x230
 ieee80211_rx_list+0x2508/0x3050
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x7c0
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:do_pte_missing+0x2481/0x3310
Code: 49 8b 5d 00 48 83 c3 20 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 02 91 17 00 48 8b 1b <48> 89 de 48 81 e6 00 10 00 00 31 ff e8 ce f5 af ff 48 81 e3 00 10
RSP: 0018:ffffc9000717f9a0 EFLAGS: 00000246
RAX: 1ffff110230814f4 RBX: 0000000008100077 RCX: dffffc0000000000
RDX: ffffc900377e0000 RSI: 0000000000000120 RDI: 0000000000000121
RBP: 00000001be22b867 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff33c081c R12: 1ffff110230814f2
R13: ffffc9000717fbc0 R14: ffff88811840a780 R15: 0000000000000001
 handle_mm_fault+0x1b8c/0x32a0
 do_user_addr_fault+0x75b/0x1360
 exc_page_fault+0x6a/0xc0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:__put_user_4+0xd/0x20
Code: 66 89 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 d9 0f 1f 00 <89> 01 31 c9 0f 1f 00 e9 87 71 03 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000717fe50 EFLAGS: 00010206
RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000200000010000
RDX: 0000000000000000 RSI: ffffffff8dd3c55e RDI: ffffffff8be73f00
RBP: 0000000000000009 R08: ffffffff8211776f R09: ffff8880488a7180
R10: dffffc0000000000 R11: ffffed102146fe19 R12: 0000000000000000
R13: 0000200000010000 R14: 0000000000000001 R15: 0000000000000002
 __sys_socketpair+0xb7/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed4e59acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fed4f3dd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fed4e815fa0 RCX: 00007fed4e59acb9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 00007fed4e608bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fed4e816038 R14: 00007fed4e815fa0 R15: 00007ffee08b89a8
 </TASK>
