BUG: memory leak
unreferenced object 0xffff888047162270 (size 144):
  comm "syz-executor.4", pid 12177, jiffies 4296718948 (age 19.049s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 dc d6 2a 68 00 00 00 00  ..........*h....
    3a 45 9a 35 00 00 00 00 dc d6 2a 68 00 00 00 00  :E.5......*h....
  backtrace:
    [<00000000aca8fda7>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000aca8fda7>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000688eebda>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000688eebda>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000007085fe57>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000002b0fd86a>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000cf0c8e39>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000a72c053b>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<000000003a192ce7>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000009a6bf24d>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000009a6bf24d>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000009a6bf24d>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000e99e07ed>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000003ca22c0>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000290250c0>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000004fffd7be>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000089be35aa>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed