rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=183c/1/0x4000000000000000 softirq=21907/21908 fqs=4490
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   965116          0            0
rcu: 	cputime:    35034      17445           95   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=14373 q=1030 ncpus=2)
CPU: 1 UID: 0 PID: 7830 Comm: syz.1.798 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 2b 59 4b f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> f3 ff 13 f6 65 8b 05 6c 41 24 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0900 EFLAGS: 00000206
RAX: bfa2d21ca8c27300 RBX: 0000000000000a02 RCX: bfa2d21ca8c27300
RDX: 0000000000000002 RSI: ffffffff8d9b7034 RDI: 0000000000000001
RBP: ffffc900001e0998 R08: ffffffff8fa38237 R09: 1ffffffff1f47046
R10: dffffc0000000000 R11: fffffbfff1f47047 R12: dffffc0000000000
R13: ffff88803d63c000 R14: ffffffff99cf94a0 R15: 1ffff9200003c120
FS:  00007f54aa9226c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3231fff8 CR3: 0000000039a16000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x4dd/0xd30
 __tlb_remove_table+0x2d2/0x3b0
 tlb_remove_table_rcu+0x85/0x100
 rcu_core+0xcab/0x1770
 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:kasan_check_range+0x297/0x2c0
Code: 49 83 c3 04 eb 10 4d 01 f3 49 83 c3 05 eb 07 4d 01 f3 49 83 c3 06 4d 89 dc 4d 85 db 0f 84 44 ff ff ff 4d 01 d1 4d 39 cc 75 11 <41> 83 e0 07 45 0f be 09 45 39 c8 0f 8c 2b ff ff ff 0f b6 d2 e8 a0
RSP: 0018:ffffc90008707c08 EFLAGS: 00000246
RAX: 00000000ffffff01 RBX: ffffffffffffffff RCX: ffffffff819e1241
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90008707c80
RBP: ffffc90008707cf0 R08: ffffc90008707c83 R09: fffff520010e0f90
R10: dffffc0000000000 R11: fffff520010e0f90 R12: fffff520010e0f90
R13: ffffffff8e284488 R14: fffff520010e0f91 R15: 1ffff920010e0f90
 do_raw_spin_lock+0x121/0x290
 fasync_remove_entry+0x37/0x1c0
 perf_fasync+0xc3/0x110
 __fput+0x8a2/0xa70
 fput_close_sync+0x119/0x200
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f54a9b8ebe9
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:00007f54aa922038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f54a9dc5fa0 RCX: 00007f54a9b8ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f54a9c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f54a9dc6038 R14: 00007f54a9dc5fa0 R15: 00007ffd1fe7d2a8
 </TASK>
sched: DL replenish lagged too much
