r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_generic(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)={0x14, 0x3a, 0x7c15c02d21e6d5c5, 0x0, 0x0, {0xa, 0x78, 0x2}}, 0x14}}, 0x0)
BUG: memory leak
unreferenced object 0xffff888008cdb4e0 (size 144):
  comm "syz-executor.5", pid 8714, jiffies 4295960604 (age 19.279s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 a5 22 48 64 00 00 00 00  ........."Hd....
    2d 55 20 24 00 00 00 00 a5 22 48 64 00 00 00 00  -U $....."Hd....
  backtrace:
    [<00000000289645ac>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000289645ac>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000007ee6aacf>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000007ee6aacf>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000cbca0816>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000099dc3d88>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000004d6072a6>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<00000000b8e04ab9>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<00000000b8e04ab9>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<00000000b0fb88d5>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000b0fb88d5>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<00000000b0fb88d5>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5462
    [<000000002355e480>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<00000000220fc782>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<000000004f0d927b>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<00000000075c10ff>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000f605f616>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed