rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=bffc/1/0x4000000000000000 softirq=84288/84298 fqs=4838
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1019806          8            0
rcu: 	cputime:    37375      15114           44   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=74201 q=1838 ncpus=2)
CPU: 1 UID: 0 PID: 17685 Comm: syz.8.3122 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 7b 2a 6b f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 53 ae 32 f6 65 8b 05 ec 50 20 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90000a083a0 EFLAGS: 00000206
RAX: 01e067c2106e6b00 RBX: 0000000000000a06 RCX: 01e067c2106e6b00
RDX: 0000000000000002 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: ffffc90000a08428 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: dffffc0000000000
R13: ffff88803ea0dcd5 R14: ffff88810be99a38 R15: 1ffff92000141074
FS:  00007f832014a6c0(0000) GS:ffff8882a9e35000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000017089a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __ieee80211_queue_skb_to_iface+0xa1/0x280
 ieee80211_rx_h_mgmt+0x493/0x650
 ieee80211_rx_handlers+0x6636/0xb7d0
 ieee80211_prepare_and_rx_handle+0x2576/0x66e0
 ieee80211_rx_list+0x25eb/0x2f90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x358/0x550
 handle_softirqs+0x27d/0x850
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x147/0x5000
Code: 8b 23 49 8d 9c 24 00 64 80 92 49 89 df 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 48 89 df e8 d9 7a cb f6 <48> 89 5c 24 70 4c 8b 33 49 8d 5e 20 48 89 d8 48 c1 e8 03 48 b9 00
RSP: 0018:ffffc900017a7540 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff88823c63b400 RCX: 01e067c2106e6b00
RDX: 0000000000000000 RSI: ffffffff8bc082c0 RDI: ffffffff8bc08280
RBP: ffffc900017a7750 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: ffff8882a9e35000
R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffff110478c7680
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x5d8/0x660
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__local_bh_enable_ip+0x135/0x1c0
Code: 8b e8 8f 5f d6 09 65 66 8b 05 3f 30 f9 10 66 85 c0 75 5a bf 01 00 00 00 e8 88 8d 0b 00 e8 83 09 44 00 fb 65 8b 05 1b 30 f9 10 <85> c0 75 05 e8 b2 f7 ad ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc900017a7920 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000201 RCX: 01e067c2106e6b00
RDX: 0000000000000006 RSI: ffffffff8d792409 RDI: ffffffff8bc082e0
RBP: ffffc900017a79b0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: ffffffff89ca3991
R13: ffffffff8c7a7508 R14: dffffc0000000000 R15: 1ffff920002f4f24
 tcp_sendmsg+0x21/0x50
 __sock_sendmsg+0x19c/0x270
 ____sys_sendmsg+0x505/0x820
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f831f38f7c9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f832014a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f831f5e5fa0 RCX: 00007f831f38f7c9
RDX: 000000003000c085 RSI: 0000200000000080 RDI: 0000000000000008
RBP: 00007f831f3f297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f831f5e6038 R14: 00007f831f5e5fa0 R15: 00007ffdd118b968
 </TASK>
sched: DL replenish lagged too much
