BUG: memory leak
unreferenced object 0xffff8880477deb60 (size 144):
  comm "syz-executor.2", pid 14631, jiffies 4297753697 (age 23.375s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 84 5e 7c 67 00 00 00 00  .........^|g....
    a3 b6 62 18 00 00 00 00 84 5e 7c 67 00 00 00 00  ..b......^|g....
  backtrace:
    [<000000007dd24986>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000007dd24986>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000001a0a5a96>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000001a0a5a96>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000019a9de27>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000791764e8>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000ee3c4845>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000052f2ed8b>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<000000008344537b>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000009b52164d>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000009b52164d>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000009b52164d>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000e875247e>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000064a9987a>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000233125c9>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000002a75c868>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000353a96f1>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed