BUG: memory leak
unreferenced object 0xffff8880636e7270 (size 144):
  comm "syz-executor.6", pid 13590, jiffies 4297515601 (age 26.522s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 e1 e3 bd 67 00 00 00 00  ...........g....
    79 5d 0e 11 00 00 00 00 e1 e3 bd 67 00 00 00 00  y].........g....
  backtrace:
    [<000000003c0a47eb>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000003c0a47eb>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000a38b2737>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000a38b2737>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000a5b4fc24>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000000d57256c>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000034f8179a>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000b37f9399>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000053c86ec7>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000291bda32>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000291bda32>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000291bda32>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000b40e8e1c>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000d4a04907>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<000000005b0f418e>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000008a804770>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000014021d0d>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed