general protection fault, probably for non-canonical address 0xdffffc000000006f: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000378-0x000000000000037f]
CPU: 1 PID: 8473 Comm: kworker/1:7 Not tainted 5.15.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cgroup_destroy css_release_work_fn
RIP: 0010:cgroup_rstat_cpu kernel/cgroup/rstat.c:13 [inline]
RIP: 0010:cgroup_rstat_cpu_pop_updated kernel/cgroup/rstat.c:106 [inline]
RIP: 0010:cgroup_rstat_flush_locked+0x17f/0xdc0 kernel/cgroup/rstat.c:161
Code: 01 e8 48 85 f6 49 89 f7 48 89 44 24 08 75 08 e9 73 06 00 00 4d 89 e7 e8 cf fd 05 00 4d 8d b7 78 03 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 87 08 00 00 49 8b 9f 78 03 00 00 48 83 3c 24
RSP: 0018:ffffc90017527c20 EFLAGS: 00010006
RAX: 000000000000006f RBX: ffffe8ffffc85a68 RCX: 0000000000000000
RDX: ffff88802abd9c80 RSI: ffffffff81700d61 RDI: ffffe8ffffc85a98
RBP: ffff8880b9c00000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52002ea4f76 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000378 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ee06b5d610 CR3: 00000000404ed000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cgroup_rstat_flush+0x3a/0x50 kernel/cgroup/rstat.c:203
 css_release_work_fn+0x440/0x920 kernel/cgroup/cgroup.c:5120
 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 0029b3a502662c9f ]---
RIP: 0010:cgroup_rstat_cpu kernel/cgroup/rstat.c:13 [inline]
RIP: 0010:cgroup_rstat_cpu_pop_updated kernel/cgroup/rstat.c:106 [inline]
RIP: 0010:cgroup_rstat_flush_locked+0x17f/0xdc0 kernel/cgroup/rstat.c:161
Code: 01 e8 48 85 f6 49 89 f7 48 89 44 24 08 75 08 e9 73 06 00 00 4d 89 e7 e8 cf fd 05 00 4d 8d b7 78 03 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 87 08 00 00 49 8b 9f 78 03 00 00 48 83 3c 24
RSP: 0018:ffffc90017527c20 EFLAGS: 00010006
RAX: 000000000000006f RBX: ffffe8ffffc85a68 RCX: 0000000000000000
RDX: ffff88802abd9c80 RSI: ffffffff81700d61 RDI: ffffe8ffffc85a98
RBP: ffff8880b9c00000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52002ea4f76 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000378 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ee06b5d610 CR3: 00000000404ed000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	01 e8                	add    %ebp,%eax
   2:	48 85 f6             	test   %rsi,%rsi
   5:	49 89 f7             	mov    %rsi,%r15
   8:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
   d:	75 08                	jne    0x17
   f:	e9 73 06 00 00       	jmpq   0x687
  14:	4d 89 e7             	mov    %r12,%r15
  17:	e8 cf fd 05 00       	callq  0x5fdeb
  1c:	4d 8d b7 78 03 00 00 	lea    0x378(%r15),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	0f 85 87 08 00 00    	jne    0x8bc
  35:	49 8b 9f 78 03 00 00 	mov    0x378(%r15),%rbx
  3c:	48                   	rex.W
  3d:	83                   	.byte 0x83
  3e:	3c 24                	cmp    $0x24,%al