rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=d134/1/0x4000000000000000 softirq=16700/16702 fqs=4838
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1327682          4            0
rcu: 	cputime:    30330      22149           71   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=9229 q=2799 ncpus=2)
CPU: 0 UID: 0 PID: 6203 Comm: syz.1.88 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:cfg80211_inform_bss_data+0x0/0x3b30
Code: e1 07 38 c1 0f 8c 50 fd ff ff 48 89 df e8 58 eb 56 f7 e9 43 fd ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc900000077a0 EFLAGS: 00000246
RAX: 0000000000000064 RBX: 0000000000000064 RCX: ffff88811e057160
RDX: 0000000000000001 RSI: ffffc900000078c0 RDI: ffff888031418700
RBP: 0000000000000002 R08: 00063e01b58251cc R09: 0000000000000002
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000820
R13: 0000000000000028 R14: ffff88811e057168 R15: 0000000000000001
FS:  00007fc4e0f796c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000288a0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/0x2a90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 fb a8 15 f6 e8 36 03 4d f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002f4f460 EFLAGS: 00000286
RAX: 445d57d51974b200 RBX: 0000000000000000 RCX: 445d57d51974b200
RDX: 0000000000000000 RSI: ffffffff8d9b68b0 RDI: 0000000000000001
RBP: ffffc90002f4f500 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005e9e8c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:schedule_timeout+0x1bf/0x270
Code: 44 3c 13 00 65 48 8b 05 4f 9b 24 07 48 3b 84 24 a0 00 00 00 0f 85 88 00 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 cc cc cc cc cc 48 c7 c7 c0 f5 8c 8b 48 c7 c6 7b e2 aa 8d 48
RSP: 0018:ffffc90002f4f5c8 EFLAGS: 00000246
RAX: 7fffffffffffffff RBX: ffffc90002f4f6c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8be33260 RDI: 00000000ffffffff
RBP: ffffc90002f4f5c8 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 1ffff11020d11a21
R13: ffff88810688d108 R14: ffff88810688b998 R15: 7fffffffffffffff
 wait_woken+0xbd/0x1b0
 __inet_stream_connect+0x8f4/0xe80
 mptcp_sendmsg_fastopen+0x2a5/0x580
 mptcp_sendmsg+0x176c/0x1970
 __sock_sendmsg+0xe5/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4e018ebe9
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:00007fc4e0f79038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc4e03c6090 RCX: 00007fc4e018ebe9
RDX: e07e872420dfef8a RSI: 0000200000000b00 RDI: 0000000000000004
RBP: 00007fc4e0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc4e03c6128 R14: 00007fc4e03c6090 R15: 00007ffe1846d628
 </TASK>
sched: DL replenish lagged too much
