#include <string.h>

char *rmm_addr;

void util_ald_create_cache(char *rmm_addr)
{
#if APR_HAS_SHARED_MEMORY
  strcat(rmm_addr, "something");
#else
  // do something
#endif
}

void util_ald_create_caches(char *rmm_addr)
{
  util_ald_create_cache(rmm_addr);
}

int main(void)
{
  util_ald_create_caches(rmm_addr);
  return 0;
}

. call modules/experimental/util_ldap.c:458:util_ldap_cache_comparedn()
. 471: util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(r->server->module_config, &ldap_module);
. // st->cache_rmm may be NULL
. 482: curl = util_ald_create_caches(st, url);
.. call modules/experimental/util_ldap_cache_mgr.c:211:util_ald_create_caches()
.. 219: util_ald_create_cache()
... call modules/experimental/util_ldap_cache_mgr.c:252:util_ald_create_cache()
... // if APR_HAS_SHARED_MEMORY is enabled
... // apr_rmm_addr_get will dereference its first argument
... ERROR 267: apr_rmm_addr_get(st->cache_rmm, ...);