sched: DL replenish lagged too much
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P31068
rcu: 	(detected by 0, t=10503 jiffies, g=125753, q=1602 ncpus=2)
task:syz.9.7144      state:R  running task     stack:26744 pid:31068 tgid:31067 ppid:20488  task_flags:0x400040 flags:0x00080002
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630 kernel/sched/core.c:7822
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:292 [inline]
 print_other_cpu_stall+0xf7a/0x1340 kernel/rcu/tree_stall.h:681
 check_cpu_stall kernel/rcu/tree_stall.h:856 [inline]
 rcu_pending kernel/rcu/tree.c:3667 [inline]
 rcu_sched_clock_irq+0xac1/0x1280 kernel/rcu/tree.c:2704
 update_process_times+0x23c/0x2f0 kernel/time/timer.c:2474
 tick_sched_handle kernel/time/tick-sched.c:298 [inline]
 tick_nohz_handler+0x3e9/0x710 kernel/time/tick-sched.c:319
 __run_hrtimer kernel/time/hrtimer.c:1777 [inline]
 __hrtimer_run_queues+0x4d0/0xc30 kernel/time/hrtimer.c:1841
 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1903
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1045 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x3e0 arch/x86/kernel/apic/apic.c:1062
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1056
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:its_return_thunk+0x0/0x10 arch/x86/lib/retpoline.S:417
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <c3> cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e9 1b c5 e6 f5 cc
RSP: 0018:ffffc90000006d40 EFLAGS: 00000292
RAX: 0000000090a4ff01 RBX: ffffc90000006e00 RCX: 160401fb8eb40400
RDX: 0000000000000004 RSI: ffffffff8d9520e6 RDI: ffff88802aad3d00
RBP: ffffc90000006dd0 R08: ffffc90000007250 R09: 0000000000000000
R10: ffffc90000006d98 R11: fffff52000000db5 R12: ffff88802aad3d00
R13: ffff888090ef6140 R14: ffffffff81ad4ad0 R15: ffffc90000006d48
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 unpoison_slab_object mm/kasan/common.c:342 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:368
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4948 [inline]
 slab_alloc_node mm/slub.c:5258 [inline]
 kmem_cache_alloc_noprof+0x367/0x6f0 mm/slub.c:5265
 skb_clone+0x212/0x3a0 net/core/skbuff.c:2087
 deliver_clone net/bridge/br_forward.c:125 [inline]
 maybe_deliver+0x98/0x160 net/bridge/br_forward.c:191
 br_flood+0x31a/0x6a0 net/bridge/br_forward.c:238
 br_handle_frame_finish+0x15a3/0x1c90 net/bridge/br_input.c:229
 br_nf_hook_thresh+0x3c6/0x4a0 net/bridge/br_netfilter_hooks.c:-1
 br_nf_pre_routing_finish_ipv6+0x999/0xd60 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x37e/0x6b0 net/bridge/br_netfilter_ipv6.c:184
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
 br_handle_frame+0x96e/0x14f0 net/bridge/br_input.c:442
 __netif_receive_skb_core+0x95f/0x2f90 net/core/dev.c:6024
 __netif_receive_skb_one_core net/core/dev.c:6135 [inline]
 __netif_receive_skb+0x72/0x380 net/core/dev.c:6250
 process_backlog+0x622/0x1500 net/core/dev.c:6602
 __napi_poll+0xae/0x320 net/core/dev.c:7666
 napi_poll net/core/dev.c:7729 [inline]
 net_rx_action+0x672/0xe50 net/core/dev.c:7881
 handle_softirqs+0x27d/0x850 kernel/softirq.c:622
 do_softirq+0xec/0x180 kernel/softirq.c:523
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 nl80211_netlink_notify+0x6f4/0x840 net/wireless/nl80211.c:21526
 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85
 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380
 netlink_release+0x1237/0x1ac0 net/netlink/af_netlink.c:761
 __sock_release net/socket.c:653 [inline]
 sock_close+0xc3/0x240 net/socket.c:1446
 __fput+0x44c/0xa70 fs/file_table.c:468
 fput_close_sync+0x113/0x220 fs/file_table.c:573
 __do_sys_close fs/open.c:1573 [inline]
 __se_sys_close fs/open.c:1558 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1558
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcb78d8e3aa
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24
RSP: 002b:00007fcb79c6cf90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcb78d8e3aa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fcb78fe6038 R14: 00007fcb78fe5fa0 R15: 00007ffe6f6d3968
 </TASK>