BUG: memory leak
unreferenced object 0xffff88804a4d8b60 (size 144):
  comm "syz-executor.2", pid 11241, jiffies 4296263129 (age 25.595s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 63 0e 27 68 00 00 00 00  ........c.'h....
    50 bc c5 36 00 00 00 00 63 0e 27 68 00 00 00 00  P..6....c.'h....
  backtrace:
    [<000000000708f5dc>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000000708f5dc>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000a6fda730>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000a6fda730>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000004edb69d1>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000048e3ec5d>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000091a3ecdb>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000026511803>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000022094cdf>] __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:985
    [<0000000085ef4a3c>] cgroup_add_file kernel/cgroup/cgroup.c:3943 [inline]
    [<0000000085ef4a3c>] cgroup_addrm_files+0x3c8/0x9b0 kernel/cgroup/cgroup.c:4003
    [<0000000082110fdf>] css_populate_dir+0x304/0x460 kernel/cgroup/cgroup.c:1687
    [<0000000090f3fbd9>] cgroup_mkdir+0xa10/0xf50 kernel/cgroup/cgroup.c:5495
    [<0000000092b53f22>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000f6b58671>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000445ded38>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000003fc87c65>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000029b8b398>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed