rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9990 ticks this GP) idle=7884/1/0x4000000000000000 softirq=19033/19033 fqs=4367
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   819196          0            0
rcu: 	cputime:    35132      17317           59   ==> 52460(ms)
rcu: 	(t=10500 jiffies g=13473 q=4732 ncpus=2)
CPU: 1 UID: 0 PID: 6398 Comm: syz.2.127 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #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:memset_orig+0x46/0xb0
Code: 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 <48> 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00
RSP: 0018:ffffc900001e01a0 EFLAGS: 00000247
RAX: 0000000000000000 RBX: ffff88810eef6300 RCX: 0000000000000000
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffff88810eef6300
RBP: 0000000000000920 R08: ffff8881088d3980 R09: 0000000000000000
R10: ffff88810eef6300 R11: 0000000000000100 R12: ffff88801a441280
R13: ffff88810eef6300 R14: 000000000002b800 R15: 0000000000000060
FS:  00007f251a6346c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32723ffc CR3: 0000000107048000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000090602
Call Trace:
 <IRQ>
 __kmalloc_noprof+0x248/0x4f0
 cfg80211_inform_single_bss_data+0x905/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 cf c7 ea 09 e8 5a 3f 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90006627678 EFLAGS: 00000286
RAX: 444704765954e000 RBX: 0000000000000000 RCX: 444704765954e000
RDX: 0000000000000000 RSI: ffffffff8d9b6dff RDI: ffffffff8be33380
RBP: ffffc900066276d0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff8881088d3980
R13: dffffc0000000000 R14: ffff888022118000 R15: ffff88813663ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule+0x1b/0xc0
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 56 53 48 83 e4 e0 48 83 ec 60 65 48 8b 05 d5 d0 25 07 <48> 89 44 24 58 48 c7 04 24 b3 8a b5 41 48 c7 44 24 08 97 b8 b7 8d
RSP: 0018:ffffc90006627a60 EFLAGS: 00000286
RAX: 444704765954e000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8d9b6dff RDI: 00000000ffffffff
RBP: ffffc90006627ad0 R08: ffffffff8fa37e37 R09: 1ffffffff1f46fc6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: ffff88810d8fd640
R13: 1ffff11026cc75be R14: 0000000000000001 R15: ffff88813663adf0
 preempt_schedule_thunk+0x16/0x30
 try_to_wake_up+0x82b/0x12b0
 wake_up_q+0x85/0xd0
 futex_wake+0x4a0/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f251978ebe9
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:00007f251a6340e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f25199b5fa8 RCX: 00007f251978ebe9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f25199b5fac
RBP: 00007f25199b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000246 R12: 0000000000000000
R13: 00007f25199b6038 R14: 00007ffcd7315380 R15: 00007ffcd7315468
 </TASK>
sched: DL replenish lagged too much
