BUG: memory leak
unreferenced object 0xffff8880511f78f0 (size 144):
  comm "syz-executor.5", pid 15713, jiffies 4297536115 (age 26.038s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 ba 69 bf 64 00 00 00 00  .........i.d....
    a8 db da 39 00 00 00 00 ba 69 bf 64 00 00 00 00  ...9.....i.d....
  backtrace:
    [<00000000af9cb41a>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000af9cb41a>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000088cdf484>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000088cdf484>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000f0be9212>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000fbb08e7d>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000b33ebfe4>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<0000000021f04bfa>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<0000000021f04bfa>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<00000000894b15e9>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000894b15e9>] cgroup_create kernel/cgroup/cgroup.c:5342 [inline]
    [<00000000894b15e9>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5476
    [<00000000b374c7bd>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<00000000b96b2ee2>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<00000000e575f24f>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<00000000e1effb29>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000b676c5a9>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed