audit: type=1800 audit(1539477713.171:30): pid=5225 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0
IPVS: ftp: loaded support on port[0] = 21
WARNING: CPU: 0 PID: 5383 at kernel/cgroup/cgroup.c:2935 cgroup_apply_control_enable+0x22c/0xea0 kernel/cgroup/cgroup.c:2935
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 5383 Comm: syz-executor798 Not tainted 4.19.0-rc7+ #185
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:cgroup_apply_control_enable+0x22c/0xea0 kernel/cgroup/cgroup.c:2935
Code: 48 c1 e8 03 42 80 3c 28 00 0f 85 18 0a 00 00 49 8b 5f 18 31 ff 83 e3 02 48 89 de e8 0e 64 07 00 48 85 db 74 07 e8 d4 62 07 00 <0f> 0b e8 cd 62 07 00 48 8b 85 a0 fe ff ff 48 c1 e8 03 42 80 3c 28
RSP: 0018:ffff8801bb36f7a0 EFLAGS: 00010293
RAX: ffff8801d8e92040 RBX: 0000000000000002 RCX: ffffffff81774672
RDX: 0000000000000000 RSI: ffffffff8177467c RDI: 0000000000000007
RBP: ffff8801bb36f950 R08: ffff8801d8e92040 R09: 1ffffffff1273955
R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffffffff893c5020
R13: dffffc0000000000 R14: 000000000000000b R15: ffff8801bdf68300
 cgroup_apply_control+0x1f/0x50 kernel/cgroup/cgroup.c:3021
 cgroup_enable_threaded kernel/cgroup/cgroup.c:3238 [inline]
 cgroup_type_write+0x54b/0x710 kernel/cgroup/cgroup.c:3277
 cgroup_file_write+0x2f7/0x7e0 kernel/cgroup/cgroup.c:3457
 kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316
 __vfs_write+0x119/0x9f0 fs/read_write.c:485
 vfs_write+0x1fc/0x560 fs/read_write.c:549
 ksys_write+0x101/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __ia32_sys_write+0x71/0xb0 fs/read_write.c:607
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f70ca9
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 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:00000000ffe8b3ac EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000020000140
RDX: 0000000000000009 RSI: 00000000000027eb RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..