rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10493 ticks this GP) idle=0a04/1/0x4000000000000000 softirq=29789/29795 fqs=4934
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   978927          1            0
rcu: 	cputime:    37412      15086           51   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=22237 q=2205 ncpus=2)
CPU: 1 UID: 0 PID: 9147 Comm: syz.2.930 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:check_preemption_disabled+0x1/0x120
Code: 00 0e bf 8b 48 c7 c6 40 0e bf 8b eb 1c 66 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 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 05 de 74 27 07 48 89 44 24 08
RSP: 0018:ffffc90000a076f0 EFLAGS: 00000246
RAX: 0000607d55d07e68 RBX: ffffffff8de0c320 RCX: 000000008b6be905
RDX: ffffffff81cb7417 RSI: ffffffff8bbf0e40 RDI: ffffffff8bbf0e00
RBP: ffffc90000a077e8 R08: ffffc90000a0790f R09: 0000000000000000
R10: ffffc90000a07900 R11: ffffffffa0001a14 R12: 1ffff92000140ee8
R13: 000000000000000d R14: ffffffff8de0c2c0 R15: dffffc0000000000
FS:  00007f7428a896c0(0000) GS:ffff8882a9f38000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000f000 CR3: 00000001a9daa000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_trace_lock+0xec/0x3b0
 lock_release+0x3b2/0x3e0
 trace_call_bpf+0x7ad/0xb60
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 unwind_next_frame+0x19a9/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 kvfree_call_rcu+0x130/0x4c0
 cfg80211_update_known_bss+0x830/0x1590
 __cfg80211_bss_update+0x147/0x2120
 cfg80211_inform_single_bss_data+0xba9/0x1ac0
 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 8b 3e 7e 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> d3 6c 46 f6 65 8b 05 dc f8 24 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90003237060 EFLAGS: 00000206
RAX: f6e823243f127500 RBX: 0000000000000a06 RCX: f6e823243f127500
RDX: 0000000000000007 RSI: ffffffff8d70f100 RDI: 0000000000000001
RBP: ffffc900032370f0 R08: ffffffff8f7cf077 R09: 1ffffffff1ef9e0e
R10: dffffc0000000000 R11: fffffbfff1ef9e0f R12: dffffc0000000000
R13: ffff88818ed18000 R14: ffffffff99a1f018 R15: 1ffff92000646e0c
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x4dd/0xd30
 __slab_free+0x2e7/0x390
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 __kmalloc_cache_node_noprof+0x405/0x6f0
 __get_vm_area_node+0x13f/0x300
 __vmalloc_node_range_noprof+0x30c/0x12d0
 vzalloc_noprof+0xb2/0xf0
 bpf_check+0x19b/0x1c560
 bpf_prog_load+0x13ba/0x1a10
 __sys_bpf+0x507/0x860
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7427b8f749
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:00007f7428a89038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f7427de5fa0 RCX: 00007f7427b8f749
RDX: 0000000000000094 RSI: 00002000000018c0 RDI: 0000000000000005
RBP: 00007f7427c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7427de6038 R14: 00007f7427de5fa0 R15: 00007fff861a6ab8
 </TASK>
sched: DL replenish lagged too much
