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): P7542/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=21965, q=356516 ncpus=2)
task:syz.4.495       state:R  running task     stack:27528 pid:7542  tgid:7542  ppid:5849   task_flags:0x40004c flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:102 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x1315/0x2390 arch/x86/kernel/unwind_orc.c:494
Code: 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 <4c> 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49 8d 47 fc 48 0f 47 d8
RSP: 0018:ffffc9001abff538 EFLAGS: 00000246
RAX: fffffffff18531bd RBX: ffffffff8fae10cc RCX: dffffc0000000000
RDX: ffffffff8fae1094 RSI: ffffffff90272c2e RDI: ffffffff8bc07480
RBP: ffffffff8fae1094 R08: 000000000000000f R09: ffffffff81731db5
R10: ffffc9001abff658 R11: ffffffff81abbcd0 R12: ffffffff81334209
R13: ffffffff8fae1094 R14: ffffc9001abff608 R15: ffffffff8fae10b0
 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
 poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417
 kasan_kmalloc include/linux/kasan.h:262 [inline]
 __kmalloc_cache_noprof+0x3d5/0x6f0 mm/slub.c:5724
 kmalloc_noprof include/linux/slab.h:957 [inline]
 slab_free_hook mm/slub.c:2466 [inline]
 slab_free mm/slub.c:6566 [inline]
 kmem_cache_free+0x16f/0x690 mm/slub.c:6676
 exit_mmap+0x537/0xb40 mm/mmap.c:1305
 __mmput+0x118/0x430 kernel/fork.c:1133
 exit_mm+0x1da/0x2c0 kernel/exit.c:582
 do_exit+0x648/0x2300 kernel/exit.c:954
 __do_sys_exit kernel/exit.c:1074 [inline]
 __se_sys_exit kernel/exit.c:1072 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:1072
 x64_sys_call+0x21da/0x2200 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f454858eec9
RSP: 002b:00007f45463d2fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f45487e6270 RCX: 00007f454858eec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f4548611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f45487e6308 R14: 00007f45487e6270 R15: 00007f454890fa28
 </TASK>