clocksource: Long readout interval, skipping watchdog check: cs_nsec: 10458793157 wd_nsec: 10458792361
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10454 ticks this GP) idle=6534/1/0x4000000000000000 softirq=74757/74923 fqs=5217
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1215530        605            0
rcu: 	cputime:    32385      20101           43   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=66041 q=1434 ncpus=2)
CPU: 0 UID: 0 PID: 15820 Comm: syz.2.2495 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:kasan_quarantine_put+0x88/0x220
Code: e8 4d ce a3 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 88 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f e9 06 30 5a 09 cc 48 8d 80
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000206
RAX: 68c62ce94ca0d701 RBX: ffff888031811500 RCX: 68c62ce94ca0d700
RDX: 0000000000000000 RSI: ffffffff8d9ba3cb RDI: ffffffff8be33e00
RBP: 0000000000000000 R08: ffffffff8fa3a837 R09: 1ffffffff1f47506
R10: dffffc0000000000 R11: fffffbfff1f47507 R12: ffffea0000c60400
R13: 0000000000000000 R14: 00000000000a1780 R15: 0000000000000286
FS:  00007f0f0a3f66c0(0000) GS:ffff8880b8612000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000025b3c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kmem_cache_free+0x18f/0x400
 mac80211_hwsim_beacon_tx+0x3f0/0x860
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 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:check_preemption_disabled+0x49/0x120
Code: 8b 0d bb ce 25 07 f7 c1 ff ff ff 7f 74 23 65 48 8b 0d 9b ce 25 07 48 3b 4c 24 08 0f 85 cc 00 00 00 48 83 c4 10 5b 41 5e 41 5f <5d> e9 81 ca 02 00 cc 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24
RSP: 0018:ffffc90001beefa8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffffff81b36845 RCX: 68c62ce94ca0d700
RDX: 0000000000000001 RSI: ffffffff8be33de0 RDI: ffffffff8be33da0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172d195
R10: dffffc0000000000 R11: ffffffff81ac4c50 R12: 1ffff9200037de15
R13: ffffc90001bef0e0 R14: ffffc90001bef0a8 R15: ffffffff8172d195
 rcu_is_watching+0x15/0xb0
 unwind_next_frame+0xd4/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __schedule+0x17a0/0x4cc0
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0xfd/0x110
 rcu_preempt_deferred_qs_irqrestore+0x89c/0xce0
 rcu_read_unlock_special+0x3a2/0x4b0
 __rcu_read_unlock+0x84/0xe0
 futex_private_hash_put+0x20b/0x280
 futex_wake+0x4b2/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f0c18eba9
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:00007f0f0a3f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f0f0c3d5fa8 RCX: 00007f0f0c18eba9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0f0c3d5fac
RBP: 00007f0f0c3d5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0f0c3d6038 R14: 00007fff58bb7620 R15: 00007fff58bb7708
 </TASK>
sched: DL replenish lagged too much
