rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10496 ticks this GP) idle=dc34/1/0x4000000000000000 softirq=64358/64359 fqs=3842
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1195694          0            0
rcu: 	cputime:     7416      44784           39   ==> 52210(ms)
rcu: 	(t=10502 jiffies g=59973 q=4854 ncpus=2)
CPU: 0 UID: 0 PID: 12414 Comm: syz.0.743 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:queue_work_on+0x0/0x1d0
Code: e8 05 be a3 00 48 8b 03 5b c3 cc cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 d3 49
RSP: 0018:ffffc90000007590 EFLAGS: 00000296
RAX: 1ffffffff1c4c1df RBX: ffff888117654000 RCX: 0000000000000300
RDX: ffff888114930678 RSI: ffff8881000ac000 RDI: 0000000000000008
RBP: dffffc0000000000 R08: ffffffff903096f7 R09: 1ffffffff20612de
R10: dffffc0000000000 R11: fffffbfff20612df R12: ffff888114930f68
R13: ffff8881165756d5 R14: 00000000ffffffff R15: ffff88811b869ac8
FS:  00007fd4c0d886c0(0000) GS:ffff88818dc93000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea187ea4c0 CR3: 000000019c348000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __ieee80211_queue_skb_to_iface+0xf1/0x280
 ieee80211_rx_h_mgmt+0x490/0x630
 ieee80211_rx_handlers+0x6ffe/0xc8e0
 ieee80211_prepare_and_rx_handle+0x2c27/0x7460
 ieee80211_rx_list+0x2b59/0x3730
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x180d/0x5680
Code: 36 e0 45 4a c7 04 30 00 00 00 00 4a c7 44 30 08 00 00 00 00 65 48 8b 05 f1 2b 90 07 48 3b 84 24 c0 01 00 00 0f 85 98 07 00 00 <48> 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 50 03 02 00 cc 49 8d
RSP: 0018:ffffc9000356f760 EFLAGS: 00000246
RAX: 07b23575ea381100 RBX: ffff88812103ae98 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8c2883c0 RDI: ffffffff8c288380
RBP: ffffc9000356f980 R08: ffffffff903096f7 R09: 1ffffffff20612de
R10: dffffc0000000000 R11: fffffbfff20612df R12: ffff888102af1d80
R13: ffff88810d903b00 R14: dffffc0000000000 R15: 1ffff1102420773c
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x14f/0x730
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:exit_signals+0x19c/0x7a0
Code: 4a fd 1e 0a eb 05 e8 03 0d 3b 00 4d 8d b4 24 d8 05 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 7a 05 00 00 41 8b 2e <bf> ff ff ff ff 89 ee e8 18 11 3b 00 85 ed 78 53 4d 8d b4 24 e8 06
RSP: 0018:ffffc9000356fab0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88810d903b00 RCX: ffff88810d903b00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff81871878 R09: ffffffff8e99c6d0
R10: dffffc0000000000 R11: fffffbfff20612df R12: ffff88810d903b00
R13: dffffc0000000000 R14: ffff88810d9040d8 R15: ffff88816d0bd32c
 do_exit+0x3a8/0x22c0
 do_group_exit+0x21b/0x2d0
 get_signal+0x1284/0x1330
 arch_do_signal_or_restart+0xbc/0x830
 exit_to_user_mode_loop+0x86/0x480
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4bff9cdd9
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:00007fd4c0d88028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000005 RBX: 00007fd4c0215fa0 RCX: 00007fd4bff9cdd9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fd4c0032d69 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd4c0216038 R14: 00007fd4c0215fa0 R15: 00007ffe91bf0338
 </TASK>
sched: DL replenish lagged too much
