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s4-rpmd: fixed a use after realloc bug

we could use old_el after the base message had been re allocated, due
to adding timestamps. We need to re-find the element before using it

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Andrew Tridgell 2010-10-01 10:26:49 -07:00
parent 4beff4d7ba
commit f6bc4c08b1

View File

@ -4016,12 +4016,18 @@ linked_attributes[0]:
has changed */
if (add_time_element(msg, "whenChanged", t) != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
return ldb_operr(ldb);
}
if (add_uint64_element(msg, "uSNChanged", seq_num) != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_ERR_OPERATIONS_ERROR;
return ldb_operr(ldb);
}
old_el = ldb_msg_find_element(msg, attr->lDAPDisplayName);
if (old_el == NULL) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
ret = dsdb_check_single_valued_link(attr, old_el);