rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10277 ticks this GP) idle=38ac/1/0x4000000000000000 softirq=157668/157668 fqs=4652
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1257356          0            0
rcu: 	cputime:    36213      16275           35   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=160361 q=3057 ncpus=2)
CPU: 0 UID: 0 PID: 32238 Comm: syz.8.6803 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+0x214/0x23c0
Code: ef 08 8b 15 1e a2 84 0c 8d 42 ff 44 39 f8 0f 86 78 04 00 00 44 89 f8 4c 8d 2c 85 80 48 33 91 4c 89 e8 48 c1 e8 03 0f b6 04 28 <84> c0 48 89 eb 0f 85 25 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d
RSP: 0018:ffffc90000006ad8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000300
RDX: 00000000000a9208 RSI: ffffffff8c076ce0 RDI: ffffffff8c076ca0
RBP: dffffc0000000000 R08: ffffffff8175b995 R09: ffffffff8e560120
R10: ffffc90000006bf8 R11: ffffffff81af6830 R12: ffffffff81f689de
R13: ffffffff913722a4 R14: ffffc90000006ba8 R15: 000000000000f689
FS:  00007fe32aee76c0(0000) GS:ffff88818e0a4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 0000000115c58000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x35c/0x760
 ieee802_11_parse_elems_full+0x159/0x2ab0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xd08/0x1b70
 cfg80211_inform_bss_data+0x24d/0x3be0
 cfg80211_inform_bss_frame_data+0x3c7/0x760
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_scan_rx+0x552/0xa40
 ieee80211_rx_list+0x29e5/0x3710
 ieee80211_rx_napi+0x1b1/0x3e0
 ieee80211_handle_queued_frames+0xe8/0x1e0
 tasklet_action_common+0x2da/0x4b0
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 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+0x3e7/0x430
Code: 75 11 e8 dc c7 0b 00 48 85 db 75 16 e8 d2 c7 0b 00 eb 15 e8 cb c7 0b 00 e8 56 4e d6 09 48 85 db 74 ea e8 bc c7 0b 00 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 46 30 d9 09 cc e8 a0
RSP: 0018:ffffc90003667a80 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9000af42000 RSI: 000000000000034a RDI: 000000000000034b
RBP: 0000000000000001 R08: ffffffff8ff0e0b7 R09: 1ffffffff1fe1c16
R10: dffffc0000000000 R11: fffffbfff1fe1c17 R12: 1ffff920006ccf61
R13: 1ffff920006ccf63 R14: 0000000000000000 R15: ffffc90003667b18
 smp_call_function_single+0x341/0x580
 perf_install_in_context+0x5c0/0x930
 __se_sys_perf_event_open+0x192f/0x1d60
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe329f9acb9
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:00007fe32aee7028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fe32a215fa0 RCX: 00007fe329f9acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fe32a008bf7 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe32a216038 R14: 00007fe32a215fa0 R15: 00007fffab9a2d38
 </TASK>
sched: DL replenish lagged too much
