kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11360 Comm: syz-executor.0 Not tainted 5.3.0-rc6-next-20190827 #74
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memcg_flush_percpu_vmstats+0x465/0x7a0 mm/memcontrol.c:3422
Code: 05 41 89 c1 41 0f b6 04 24 41 38 c5 7c 08 84 c0 0f 85 72 02 00 00 44 3b 0d cc 17 14 08 0f 83 9e 00 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 7f 02 00 00 48 8b 85 10 fe ff ff 48 8b bd 08
RSP: 0018:ffff88809352f988 EFLAGS: 00010206
RAX: 0000000000000012 RBX: 0000000000000020 RCX: ffffc9000730d000
RDX: 000000000001567a RSI: ffffffff833ebf37 RDI: 0000000000000007
RBP: ffff88809352fbe0 R08: ffff8880a7834440 R09: 0000000000000000
R10: ffffed100b90f66d R11: ffff88805c87b36f R12: fffffbfff138b178
R13: 0000000000000007 R14: dffffc0000000000 R15: 0000000000000090
FS:  00007f9717074700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000086a39000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __mem_cgroup_free+0x1a/0x190 mm/memcontrol.c:4883
 mem_cgroup_free mm/memcontrol.c:4895 [inline]
 mem_cgroup_css_alloc+0x3a1/0x1900 mm/memcontrol.c:5018
 css_create kernel/cgroup/cgroup.c:5156 [inline]
 cgroup_apply_control_enable+0x44d/0xc40 kernel/cgroup/cgroup.c:3119
 cgroup_mkdir+0x899/0x1190 kernel/cgroup/cgroup.c:5393
 kernfs_iop_mkdir+0x14d/0x1d0 fs/kernfs/dir.c:1124
 vfs_mkdir+0x42e/0x670 fs/namei.c:3815
 do_mkdirat+0x234/0x2a0 fs/namei.c:3838
 __do_sys_mkdir fs/namei.c:3854 [inline]
 __se_sys_mkdir fs/namei.c:3852 [inline]
 __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3852
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459879
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9717073c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000026f10000 RDI: 0000000020000180
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f97170746d4
R13: 00000000004bf081 R14: 00000000004da720 R15: 00000000ffffffff
Modules linked in:
---[ end trace de47f8b1d24f677f ]---
RIP: 0010:memcg_flush_percpu_vmstats+0x465/0x7a0 mm/memcontrol.c:3422
Code: 05 41 89 c1 41 0f b6 04 24 41 38 c5 7c 08 84 c0 0f 85 72 02 00 00 44 3b 0d cc 17 14 08 0f 83 9e 00 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 7f 02 00 00 48 8b 85 10 fe ff ff 48 8b bd 08
RSP: 0018:ffff88809352f988 EFLAGS: 00010206
RAX: 0000000000000012 RBX: 0000000000000020 RCX: ffffc9000730d000
RDX: 000000000001567a RSI: ffffffff833ebf37 RDI: 0000000000000007
RBP: ffff88809352fbe0 R08: ffff8880a7834440 R09: 0000000000000000
R10: ffffed100b90f66d R11: ffff88805c87b36f R12: fffffbfff138b178
R13: 0000000000000007 R14: dffffc0000000000 R15: 0000000000000090
FS:  00007f9717074700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000086a39000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400