RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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: 18796 Comm: syz-executor.5 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memcg_flush_percpu_vmstats+0x4a7/0x920 mm/memcontrol.c:3299 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5c 03 00 00 44 3b 05 1a ba f4 07 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 90 03 00 00 48 8b 85 30 fe ff ff 48 8b b0 90 RSP: 0018:ffff88805907f990 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff88805907fb18 RCX: ffffc900109be000 RDX: 0000000000040000 RSI: ffffffff833c0f27 RDI: 0000000000000007 RBP: ffff88805907fbd0 R08: 0000000000000000 R09: ffffed100b0a150c R10: ffffed100b0a150b R11: ffff88805850a85f R12: fffffbfff134afe8 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5dedb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031f23000 CR3: 00000000a0a98000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __mem_cgroup_free+0x1a/0x190 mm/memcontrol.c:4760 mem_cgroup_free mm/memcontrol.c:4772 [inline] mem_cgroup_css_alloc+0x3a1/0x1840 mm/memcontrol.c:4890 css_create kernel/cgroup/cgroup.c:5156 [inline] cgroup_apply_control_enable+0x44d/0xc30 kernel/cgroup/cgroup.c:3119 cgroup_mkdir+0x892/0x1190 kernel/cgroup/cgroup.c:5393 kernfs_iop_mkdir+0x14d/0x1d0 fs/kernfs/dir.c:1123 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] __ia32_sys_mkdir+0x5a/0x80 fs/namei.c:3852 do_syscall_32_irqs_on arch/x86/entry/common.c:332 [inline] do_fast_syscall_32+0x27b/0xdb3 arch/x86/entry/common.c:403 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7ff1a29 Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5ded0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000027 RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 77a40c726e93e21f ]--- RIP: 0010:memcg_flush_percpu_vmstats+0x4a7/0x920 mm/memcontrol.c:3299 Code: 05 41 89 c0 41 0f b6 04 24 41 38 c7 7c 08 84 c0 0f 85 5c 03 00 00 44 3b 05 1a ba f4 07 0f 83 e2 00 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 90 03 00 00 48 8b 85 30 fe ff ff 48 8b b0 90 RSP: 0018:ffff88805907f990 EFLAGS: 00010206 RAX: 0000000000000012 RBX: ffff88805907fb18 RCX: ffffc900109be000 RDX: 0000000000040000 RSI: ffffffff833c0f27 RDI: 0000000000000007 RBP: ffff88805907fbd0 R08: 0000000000000000 R09: ffffed100b0a150c R10: ffffed100b0a150b R11: ffff88805850a85f R12: fffffbfff134afe8 R13: dffffc0000000000 R14: 0000000000000090 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f5dedb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007ffd587efd08 CR3: 00000000a0a98000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600