BUG: unable to handle kernel paging request at ffffffff01ab0101
#PF error: [normal kernel read fault]
PGD 8874067 P4D 8874067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11801 Comm: kworker/0:12 Not tainted 5.1.0-rc4+ #162
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events cache_reap
RIP: 0010:__list_del_entry_valid+0x8b/0xf5 lib/list_debug.c:51
Code: 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 75 53 <49> 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d 08 48 b8 00 00 00
RSP: 0018:ffff88807a2f7bd8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffffe8ffffc9dfc0 RCX: ffffffffffffffff
RDX: 1fffffffe0356020 RSI: ffffffff8132cc74 RDI: ffffea0001abbe50
RBP: ffff88807a2f7bf0 R08: ffff888066428600 R09: ffffed100f45ef80
R10: ffffed100f45ef7f R11: 0000000000000003 R12: ffffffff01ab0101
R13: 0000000000000000 R14: ffffea0001abbe48 R15: ffffea0001abbe48
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff01ab0101 CR3: 0000000066c4e000 CR4: 00000000001406f0
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 free_block+0xd8/0x250 mm/slab.c:3418
 drain_array_locked+0x36/0x90 mm/slab.c:2203
 drain_array+0x8c/0xb0 mm/slab.c:4028
 cache_reap+0xf4/0x280 mm/slab.c:4069
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
CR2: ffffffff01ab0101
---[ end trace 994600c07c8d404d ]---
RIP: 0010:__list_del_entry_valid+0x8b/0xf5 lib/list_debug.c:51
Code: 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 75 53 <49> 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d 08 48 b8 00 00 00
RSP: 0018:ffff88807a2f7bd8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffffe8ffffc9dfc0 RCX: ffffffffffffffff
RDX: 1fffffffe0356020 RSI: ffffffff8132cc74 RDI: ffffea0001abbe50
RBP: ffff88807a2f7bf0 R08: ffff888066428600 R09: ffffed100f45ef80
R10: ffffed100f45ef7f R11: 0000000000000003 R12: ffffffff01ab0101
R13: 0000000000000000 R14: ffffea0001abbe48 R15: ffffea0001abbe48
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff01ab0101 CR3: 0000000066c4e000 CR4: 00000000001406f0