rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9028 ticks this GP) idle=0b9c/1/0x4000000000000000 softirq=26577/26577 fqs=4958
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1003372          0            0
rcu: 	cputime:    36476      16013           50   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=18733 q=2781 ncpus=2)
CPU: 1 UID: 0 PID: 8414 Comm: syz.1.617 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:lock_acquire+0x58/0x340
Code: 8b 05 0c 3a e0 10 48 89 44 24 58 0f 1f 44 00 00 65 8b 05 0f 3a e0 10 83 f8 08 0f 83 af 01 00 00 89 c0 48 0f a3 05 38 a9 e3 0d <73> 0d e8 21 25 09 00 84 c0 0f 84 d7 01 00 00 83 3d 52 d9 e3 0d 00
RSP: 0018:ffffc90000a07860 EFLAGS: 00000297
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8df41a20
RBP: ffffffff81cd4d47 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff91ffff91205 R12: 0000000000000002
R13: ffffffff8df41a20 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f22fb6496c0(0000) GS:ffff8882a9e35000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000017c0 CR3: 000000011ebd2000 CR4: 00000000000006f0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_call_bpf+0xe8/0xb60
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x389/0x3b0
 unwind_next_frame+0x1ab1/0x23d0
 __unwind_start+0x5b9/0x760
 arch_stack_walk+0xe4/0x150
 stack_trace_save+0x9c/0xe0
 __kfence_alloc+0x2b2/0x3b0
 __kmalloc_noprof+0x703/0x800
 cfg80211_inform_single_bss_data+0x91e/0x1ad0
 cfg80211_inform_bss_data+0x203/0x3b40
 cfg80211_inform_bss_frame_data+0x3c7/0x710
 ieee80211_bss_info_update+0x749/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x2485/0x2f90
 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:__sanitizer_cov_trace_pc+0x46/0x70
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 6c 16 00 00 00 74 2c 8b 91 48 16 00 00 83 fa 02 75 21 48 8b 91 50 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 4c 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0018:ffffc9000a9ff2f8 EFLAGS: 00000246
RAX: ffffffff81cb814b RBX: 000000000000002c RCX: ffff88810d253a80
RDX: ffffc90008f61000 RSI: 0000000000004726 RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffc9000a9ff54f R09: 0000000000000000
R10: ffffc9000a9ff540 R11: ffffffffa0000814 R12: 1ffff9200153fe70
R13: dffffc0000000000 R14: ffffc9000a9ff3a0 R15: ffffc9000a9ff3c0
 perf_trace_buf_alloc+0x11b/0x280
 perf_trace_lock+0x18d/0x3b0
 lock_release+0x389/0x3b0
 trace_call_bpf+0x7ad/0xb60
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x389/0x3b0
 is_bpf_text_address+0x28d/0x2b0
 kernel_text_address+0xa5/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c0/0x660
 btf_new_fd+0x754/0xc90
 __sys_bpf+0x48f/0x8a0
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f22fa78f7c9
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:00007f22fb649038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f22fa9e5fa0 RCX: 00007f22fa78f7c9
RDX: 0000000000000020 RSI: 0000200000000380 RDI: 0000000000000012
RBP: 00007f22fa7f297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f22fa9e6038 R14: 00007f22fa9e5fa0 R15: 00007ffd93f8d6e8
 </TASK>
sched: DL replenish lagged too much
