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Adding a check in case of allocation error

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For https://bugzilla.gnome.org/show_bug.cgi?id=733043

There is missing Null condition in xmlRelaxNGValidateInterleave of
relaxng.c
Dereferencing it may cause a crash.
This commit is contained in:
Gaurav Gupta 2014-07-14 16:01:10 +08:00 committed by Daniel Veillard
parent 4e73bfaee6
commit 6d753994b9
1 changed files with 4 additions and 0 deletions
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4
relaxng.c
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@ -9419,6 +9419,10 @@ xmlRelaxNGValidateInterleave(xmlRelaxNGValidCtxtPtr ctxt,
oldstate = ctxt->state;
for (i = 0; i < nbgroups; i++) {
ctxt->state = xmlRelaxNGCopyValidState(ctxt, oldstate);
if (ctxt->state == NULL) {
ret = -1;
break;
}
group = partitions->groups[i];
if (lasts[i] != NULL) {
last = lasts[i]->next;