BUG: memory leak
unreferenced object 0xffff8880358c3708 (size 136):
  comm "syz-executor.1", pid 11210, jiffies 4295842633
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 b4 b4 46 67 00 00 00 00  ..........Fg....
    50 48 45 0f 00 00 00 00 b4 b4 46 67 00 00 00 00  PHE.......Fg....
  backtrace (crc 76ba87d9):
    [<000000007cdf3536>] kmem_cache_alloc_noprof+0x300/0x3d0
    [<00000000dd630b9b>] __kernfs_iattrs+0xbc/0x3f0
    [<00000000e11a9fac>] kernfs_xattr_set+0x2d/0xa0
    [<000000008f711f5f>] selinux_kernfs_init_security+0x26a/0x4c0
    [<0000000035ecbaa8>] security_kernfs_init_security+0x42/0x90
    [<000000007285e061>] __kernfs_new_node+0x53d/0x850
    [<0000000058c2ec70>] kernfs_new_node+0x18b/0x250
    [<00000000747eb805>] kernfs_create_dir_ns+0x4d/0x160
    [<0000000077e0fa99>] cgroup_mkdir+0x512/0xfd0
    [<000000001a14f850>] kernfs_iop_mkdir+0x151/0x1e0
    [<000000003befb20f>] vfs_mkdir+0x291/0x4f0
    [<00000000c43a4122>] do_mkdirat+0x1a4/0x350
    [<00000000158736e4>] __x64_sys_mkdir+0xf3/0x140
    [<000000006a96fe2e>] do_syscall_64+0xbf/0x1d0
    [<00000000d3b61e37>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed