rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 13445 jiffies s: 2193 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6381 Comm: syz.0.162 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:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 d0 d1 d7 09 cc f3 0f 1e fa 89 f6 31 d2 e9 72 fc 50 03 66
RSP: 0018:ffffc90000007298 EFLAGS: 00000046
RAX: 0000000000000055 RBX: ffff888121223900 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000055 RDI: 0000000000000838
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81adfae5
R10: 0000000000000003 R11: ffffffff8170d4c0 R12: 0000000010000a10
R13: dffffc0000000000 R14: 0000000000000055 R15: 0000000000000020
FS:  00007fa732c666c0(0000) GS:ffff88818eb38000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa732c65fc8 CR3: 0000000116fac000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lapic_next_event+0x11/0x20
 clockevents_program_event+0x1cf/0x360
 hrtimer_interrupt+0x620/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:ieee80211_rx_handlers+0xd9c/0xb760
Code: 8d 9e 38 01 00 00 4d 0f be 65 00 49 89 de 49 c1 ee 03 43 80 3c 3e 00 4d 89 fd 74 08 48 89 df e8 8a 12 64 f7 49 f7 dc 4c 8b 3b <31> ff 4c 89 fe e8 1a f4 fd f6 4d 85 ff 74 29 e8 30 ef fd f6 4a 8d
RSP: 0018:ffffc90000007500 EFLAGS: 00000217
RAX: 0000000000000000 RBX: ffff8881bd164b80 RCX: 0000000000000100
RDX: ffff888168bfba00 RSI: 0000000000000000 RDI: ffff8881bd164ae0
RBP: ffffc900000077b0 R08: ffff8881bd164187 R09: 1ffff11037a2c830
R10: dffffc0000000000 R11: ffffed1037a2c831 R12: 000000000000001e
R13: dffffc0000000000 R14: 1ffff11037a2c970 R15: 0000000000007800
 ieee80211_prepare_and_rx_handle+0x3116/0x6770
 ieee80211_rx_list+0x230b/0x2c10
 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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 7f 0b 00 48 85 db 75 16 e8 c8 7f 0b 00 eb 15 e8 c1 7f 0b 00 e8 ec 6a 92 09 48 85 db 74 ea e8 b2 7f 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000865f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888168bfba00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000865fa90 R08: ffffffff8f7cf077 R09: 1ffffffff1ef9e0e
R10: dffffc0000000000 R11: fffffbfff1ef9e0f R12: 1ffff920010cbf3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920010cbf5d
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa731d8f749
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:00007fa732c66038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fa731fe5fa0 RCX: 00007fa731d8f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000300
RBP: 00007fa731e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa731fe6038 R14: 00007fa731fe5fa0 R15: 00007ffd461bb288
 </TASK>
sched: DL replenish lagged too much
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=e924/1/0x4000000000000000 softirq=14443/14444 fqs=5228
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1065752          0            0
rcu: 	cputime:    37058      15440           53   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=8045 q=2713 ncpus=2)
CPU: 0 UID: 0 PID: 6381 Comm: syz.0.162 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:unwind_next_frame+0x130e/0x2390
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc90000006cf8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffffff8ffee418 RCX: dffffc0000000000
RDX: ffffffff8ffee3e4 RSI: ffffffff90b09056 RDI: ffffffff8bbf0e00
RBP: ffffffff8ffee400 R08: 000000000000000e R09: ffffffff81738c45
R10: ffffc90000006e18 R11: ffffffff81ac31b0 R12: ffffffff8b46e8e5
R13: ffffffff8ffee3fc R14: ffffc90000006dc8 R15: ffffffff8ffee40c
FS:  00007fa732c666c0(0000) GS:ffff88818eb38000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa732c65fc8 CR3: 0000000116fac000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x411/0x7f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 cfg80211_inform_bss_data+0x203/0x3b40
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x749/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x2192/0x2c10
 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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 7f 0b 00 48 85 db 75 16 e8 c8 7f 0b 00 eb 15 e8 c1 7f 0b 00 e8 ec 6a 92 09 48 85 db 74 ea e8 b2 7f 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000865f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff888168bfba00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000865fa90 R08: ffffffff8f7cf077 R09: 1ffffffff1ef9e0e
R10: dffffc0000000000 R11: fffffbfff1ef9e0f R12: 1ffff920010cbf3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920010cbf5d
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa731d8f749
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:00007fa732c66038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fa731fe5fa0 RCX: 00007fa731d8f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000300
RBP: 00007fa731e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa731fe6038 R14: 00007fa731fe5fa0 R15: 00007ffd461bb288
 </TASK>
