audit: type=1804 audit(1544356157.841:35): pid=7806 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor2" name="/root/syzkaller-testdir742927695/syzkaller.zSXqfJ/11/memory.events" dev="sda1" ino=16566 res=1

list_add corruption. next->prev should be prev (ffff8881daf2d798), but was ffff8881d9b4a508. (next=ffff8881d9b4a4f0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:25!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: -1962176152 Comm: ksoftirqd/1 Not tainted 4.20.0-rc4+ #335
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold.2+0xf/0x2a lib/list_debug.c:23
Code: d8 60 88 e8 a1 fd d1 fd 0f 0b 48 89 de 48 c7 c7 e0 d7 60 88 e8 90 fd d1 fd 0f 0b 48 89 d9 48 c7 c7 a0 d8 60 88 e8 7f fd d1 fd <0f> 0b 48 89 f1 48 c7 c7 20 d9 60 88 48 89 de e8 6b fd d1 fd 0f 0b
RSP: 0018:ffff8881daf07330 EFLAGS: 00010082
RAX: 0000000000000075 RBX: ffff8881d9b4a4f0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005
RBP: ffff8881daf07348 R08: ffff8881d9b4a440 R09: ffffed103b5e5020
R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff8881d7e4a6b0
R13: 1ffff1103b5e0e6e R14: ffff8881daf073d0 R15: ffff8881d7e4a6b0
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30538000 CR3: 00000001d78fa000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 account_entity_enqueue+0x3a3/0x660 kernel/sched/fair.c:2679
 enqueue_entity+0x2af/0x20a0 kernel/sched/fair.c:3893
 enqueue_task_fair+0x24d/0xa50 kernel/sched/fair.c:5106
 enqueue_task kernel/sched/core.c:730 [inline]
 activate_task+0x208/0x470 kernel/sched/core.c:751
 ttwu_activate kernel/sched/core.c:1643 [inline]
 ttwu_do_activate+0xd5/0x1f0 kernel/sched/core.c:1702
 ttwu_queue kernel/sched/core.c:1847 [inline]
 try_to_wake_up+0xa51/0x1490 kernel/sched/core.c:2057
 wake_up_process+0x10/0x20 kernel/sched/core.c:2129
 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1646
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
 </IRQ>
Modules linked in:
---[ end trace b2dd7728bea7a677 ]---
RIP: 0010:__list_add_valid.cold.2+0xf/0x2a lib/list_debug.c:23
Code: d8 60 88 e8 a1 fd d1 fd 0f 0b 48 89 de 48 c7 c7 e0 d7 60 88 e8 90 fd d1 fd 0f 0b 48 89 d9 48 c7 c7 a0 d8 60 88 e8 7f fd d1 fd <0f> 0b 48 89 f1 48 c7 c7 20 d9 60 88 48 89 de e8 6b fd d1 fd 0f 0b
RSP: 0018:ffff8881daf07330 EFLAGS: 00010082
RAX: 0000000000000075 RBX: ffff8881d9b4a4f0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005
RBP: ffff8881daf07348 R08: ffff8881d9b4a440 R09: ffffed103b5e5020
R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff8881d7e4a6b0
R13: 1ffff1103b5e0e6e R14: ffff8881daf073d0 R15: ffff8881d7e4a6b0
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30538000 CR3: 00000001d78fa000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400