modules/dav/main/mod_dav.c:3258: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `dav_validate_request`.

modules/dav/main/mod_dav.c:3214:21: Unknown value from: apr_pstrdup
3212.     }
3213. 
3214.     locktoken_txt = apr_pstrdup(r->pool, const_locktoken_txt);
                          ^
3215.     if (locktoken_txt[0] != '<') {
3216.         /* ### should provide more specifics... */

modules/dav/main/mod_dav.c:3258:16: Call
3256.      * validate the parent resource's conditions.
3257.      */
3258.     if ((err = dav_validate_request(r, resource, 0, locktoken,
                     ^
3259.                                     &multi_response,
3260.                                     resource_state == DAV_RESOURCE_LOCK_NULL

modules/dav/main/util.c:1455:1: Parameter `resource->uri->strlen`
  1453. ** error is necessary, response will point to it, else NULL.
  1454. */
  1455. DAV_DECLARE(dav_error *) dav_validate_request(request_rec *r,
        ^
  1456.                                               dav_resource *resource,
  1457.                                               int depth,

modules/dav/main/util.c:1586:15: Call
  1584.     }
  1585.     else {
  1586.         err = dav_validate_resource_state(r->pool, resource, lockdb,
                      ^
  1587.                                           if_header, flags, &work_buf, r);
  1588.     }

modules/dav/main/util.c:802:1: <LHS trace>
800.  *    Returns NULL if path/uri meets if-header and lock requirements
801.  */
802. static dav_error * dav_validate_resource_state(apr_pool_t *p,
     ^
803.                                                const dav_resource *resource,
804.                                                dav_lockdb *lockdb,

modules/dav/main/util.c:802:1: Parameter `resource->uri->strlen`
    800.  *    Returns NULL if path/uri meets if-header and lock requirements
    801.  */
    802. static dav_error * dav_validate_resource_state(apr_pool_t *p,
         ^
    803.                                                const dav_resource *resource,
    804.                                                dav_lockdb *lockdb,

modules/dav/main/util.c:988:5: Assignment
    986.     */
    987.     uri = resource->uri;
    988.     uri_len = strlen(uri);
             ^
    989.     if (uri[uri_len - 1] == '/') {
    990.         dav_set_bufsize(p, pbuf, uri_len);

modules/dav/main/util.c:989:9: Binary operation: ([0, +oo] - 1):unsigned64 by call to `dav_validate_request` 
    987.     uri = resource->uri;
    988.     uri_len = strlen(uri);
    989.     if (uri[uri_len - 1] == '/') {
                 ^
    990.         dav_set_bufsize(p, pbuf, uri_len);
    991.         memcpy(pbuf->buf, uri, uri_len);
