File pacemaker-attrd-stonithd-efficient-regular-expression-parsing.patch of Package pacemaker.14737

commit 408a5ed2f7f4e75b6478ce44e65a18d67687d449
Author: Ken Gaillot <kgaillot@redhat.com>
Date:   Mon Nov 13 14:58:50 2017 -0600

    Low: attrd,stonithd: more efficient regular expression parsing

diff --git a/attrd/commands.c b/attrd/commands.c
index 27d0b73ad..967703f06 100644
--- a/attrd/commands.c
+++ b/attrd/commands.c
@@ -211,7 +211,7 @@ attrd_client_update(xmlNode *xml)
         regex_t *r_patt = calloc(1, sizeof(regex_t));
 
         crm_debug("Setting %s to %s", regex, value);
-        if (regcomp(r_patt, regex, REG_EXTENDED)) {
+        if (regcomp(r_patt, regex, REG_EXTENDED|REG_NOSUB)) {
             crm_err("Bad regex '%s' for update", regex);
 
         } else {
diff --git a/fencing/remote.c b/fencing/remote.c
index 75d4255c2..ace814d85 100644
--- a/fencing/remote.c
+++ b/fencing/remote.c
@@ -722,7 +722,7 @@ topology_matches(const stonith_topology_t *tp, const char *node)
              * matching names of nodes to be targeted.
              */
 
-            if (regcomp(&r_patt, tp->target_pattern, REG_EXTENDED)) {
+            if (regcomp(&r_patt, tp->target_pattern, REG_EXTENDED|REG_NOSUB)) {
                 crm_info("Bad regex '%s' for fencing level", tp->target);
             } else {
                 int status = regexec(&r_patt, node, 0, NULL, 0);