BUG: memory leak
unreferenced object 0xffff888046fb31a0 (size 144):
  comm "syz-executor.6", pid 29983, jiffies 4296595316 (age 28.342s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 ad bf 1c 65 00 00 00 00  ...........e....
    19 d5 b2 35 00 00 00 00 ad bf 1c 65 00 00 00 00  ...5.......e....
  backtrace:
    [<00000000ebb4f6bf>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000ebb4f6bf>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000059ec99aa>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000059ec99aa>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000a0d7425c>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000034807a21>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000298239e5>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000f6875cee>] kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:699
    [<000000004e942c57>] __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:985
    [<000000001a322f0d>] cgroup_add_file kernel/cgroup/cgroup.c:3943 [inline]
    [<000000001a322f0d>] cgroup_addrm_files+0x3c8/0x9b0 kernel/cgroup/cgroup.c:4003
    [<00000000f2748613>] css_populate_dir+0x304/0x460 kernel/cgroup/cgroup.c:1687
    [<0000000097ce5bd7>] cgroup_mkdir+0xa36/0xf50 kernel/cgroup/cgroup.c:5493
    [<000000001375bead>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1136
    [<000000001b2f68ae>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<000000000ac3982d>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<00000000479d1a92>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000a3f05ef2>] entry_SYSCALL_64_after_hwframe+0x62/0xc7

BUG: leak checking failed