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: 9734 Comm: kworker/1:5 Tainted: G        W         5.14.0-rc1-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 f9 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:ffffc9000a58fc28 EFLAGS: 00010006
RAX: 000000000000006f RBX: ffffe8ffffc86248 RCX: 0000000000000000
RDX: ffff888069cbd4c0 RSI: ffffffff816f8fe1 RDI: ffffe8ffffc86278
RBP: ffff8880b9c00000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520014b1f77 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: 000055ca0404f458 CR3: 0000000036b5a000 CR4: 00000000001506e0
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:5107
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace fcde51089e8a27f8 ]---
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 f9 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:ffffc9000a58fc28 EFLAGS: 00010006
RAX: 000000000000006f RBX: ffffe8ffffc86248 RCX: 0000000000000000
RDX: ffff888069cbd4c0 RSI: ffffffff816f8fe1 RDI: ffffe8ffffc86278
RBP: ffff8880b9c00000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520014b1f77 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: 000055ca0404f458 CR3: 0000000036b5a000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400