Snap for 11219529 from 7d28e3a2e4482fb87178bbea0eafbc547f04e8e4 to mainline-tzdata4-releaseaml_tz4_332714070aml_tz4_332714050aml_tz4_332714010aml_tz4_332714010

Change-Id: I6e171b32e7b4f93933de7b5f702784aaeeb30b36

1 files changed, 28 insertions, 0 deletions

diff --git a/xmlregexp.c b/xmlregexp.c
index 984c7ac6..ce09b221 100644
--- a/xmlregexp.c
+++ b/xmlregexp.c
@@ -1673,6 +1673,8 @@ xmlFAGenerateTransitions(xmlRegParserCtxtPtr ctxt, xmlRegStatePtr from,
 			return(-1);
 		    inter = ctxt->state;
 		    counter = xmlRegGetCounter(ctxt);
+                    if (counter < 0)
+                        return(-1);
 		    ctxt->counters[counter].min = atom->min - 1;
 		    ctxt->counters[counter].max = atom->max - 1;
 		    /* count the number of times we see it again */
@@ -1691,6 +1693,8 @@ xmlFAGenerateTransitions(xmlRegParserCtxtPtr ctxt, xmlRegStatePtr from,
 		     * epsilon transition.
 		     */
 		    counter = xmlRegGetCounter(ctxt);
+                    if (counter < 0)
+                        return(-1);
 		    ctxt->counters[counter].min = atom->min - 1;
 		    ctxt->counters[counter].max = atom->max - 1;
 		    /* count the number of times we see it again */
@@ -6015,6 +6019,8 @@ xmlAutomataNewCountTrans2(xmlAutomataPtr am, xmlAutomataStatePtr from,
      * associate a counter to the transition.
      */
     counter = xmlRegGetCounter(am);
+    if (counter < 0)
+        goto error;
     am->counters[counter].min = min;
     am->counters[counter].max = max;
 
@@ -6034,6 +6040,10 @@ xmlAutomataNewCountTrans2(xmlAutomataPtr am, xmlAutomataStatePtr from,
     if (min == 0)
 	xmlFAGenerateEpsilonTransition(am, from, to);
     return(to);
+
+error:
+    xmlRegFreeAtom(atom);
+    return(NULL);
 }
 
 /**
@@ -6081,6 +6091,8 @@ xmlAutomataNewCountTrans(xmlAutomataPtr am, xmlAutomataStatePtr from,
      * associate a counter to the transition.
      */
     counter = xmlRegGetCounter(am);
+    if (counter < 0)
+        goto error;
     am->counters[counter].min = min;
     am->counters[counter].max = max;
 
@@ -6100,6 +6112,10 @@ xmlAutomataNewCountTrans(xmlAutomataPtr am, xmlAutomataStatePtr from,
     if (min == 0)
 	xmlFAGenerateEpsilonTransition(am, from, to);
     return(to);
+
+error:
+    xmlRegFreeAtom(atom);
+    return(NULL);
 }
 
 /**
@@ -6167,6 +6183,8 @@ xmlAutomataNewOnceTrans2(xmlAutomataPtr am, xmlAutomataStatePtr from,
      * associate a counter to the transition.
      */
     counter = xmlRegGetCounter(am);
+    if (counter < 0)
+        goto error;
     am->counters[counter].min = 1;
     am->counters[counter].max = 1;
 
@@ -6179,6 +6197,10 @@ xmlAutomataNewOnceTrans2(xmlAutomataPtr am, xmlAutomataStatePtr from,
     xmlRegAtomPush(am, atom);
     am->state = to;
     return(to);
+
+error:
+    xmlRegFreeAtom(atom);
+    return(NULL);
 }
 
 
@@ -6226,6 +6248,8 @@ xmlAutomataNewOnceTrans(xmlAutomataPtr am, xmlAutomataStatePtr from,
      * associate a counter to the transition.
      */
     counter = xmlRegGetCounter(am);
+    if (counter < 0)
+        goto error;
     am->counters[counter].min = 1;
     am->counters[counter].max = 1;
 
@@ -6238,6 +6262,10 @@ xmlAutomataNewOnceTrans(xmlAutomataPtr am, xmlAutomataStatePtr from,
     xmlRegAtomPush(am, atom);
     am->state = to;
     return(to);
+
+error:
+    xmlRegFreeAtom(atom);
+    return(NULL);
 }
 
 /**