BUG: memory leak
unreferenced object 0xffff888042c6d708 (size 136):
  comm "syz-executor.7", pid 8498, jiffies 4296244533 (age 24.567s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 03 15 fc 63 00 00 00 00  ...........c....
    1f 91 aa 30 00 00 00 00 03 15 fc 63 00 00 00 00  ...0.......c....
  backtrace:
    [<00000000df040f8b>] __kernfs_iattrs+0xbc/0x3f0
    [<00000000b7112a61>] kernfs_xattr_set+0x2f/0x80
    [<0000000069972aa3>] selinux_kernfs_init_security+0x271/0x4d0
    [<000000008b961338>] security_kernfs_init_security+0x52/0xb0
    [<000000001f57e7d9>] __kernfs_new_node+0x54d/0x870
    [<0000000096e93888>] kernfs_create_dir_ns+0xa0/0x230
    [<000000008a8e08c4>] sysfs_create_dir_ns+0x12b/0x2a0
    [<000000003badac65>] kobject_add_internal+0x24c/0x9b0
    [<000000007b150021>] kobject_init_and_add+0x101/0x170
    [<00000000f6f22a19>] sysfs_slab_add+0x178/0x220
    [<0000000030acae30>] __kmem_cache_create+0x481/0x5f0
    [<0000000008c40998>] kmem_cache_create_usercopy+0x218/0x340
    [<00000000ae208116>] p9_client_create+0xd0d/0x1120
    [<00000000f2396d7c>] v9fs_session_init+0x1e0/0x16f0
    [<00000000fcba171d>] v9fs_mount+0xbd/0xbc0
    [<000000003e93622b>] legacy_get_tree+0x109/0x220

BUG: leak checking failed