BUG: memory leak
unreferenced object 0xffff88800faab820 (size 144):
  comm "syz-executor.2", pid 14589, jiffies 4297743512 (age 22.884s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 02 1f 1a 68 00 00 00 00  ...........h....
    60 2d 36 09 00 00 00 00 02 1f 1a 68 00 00 00 00  `-6........h....
  backtrace:
    [<000000000861286f>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000000861286f>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000004108a7be>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000004108a7be>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000887cbecd>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000b2016307>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000077164d34>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000055cc1048>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000069ecda4e>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<0000000098e05dee>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<0000000098e05dee>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<0000000098e05dee>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<000000007bcca59e>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<000000003fcfda23>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<0000000095a237a9>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000003a3a970e>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000037a56bd8>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed