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From: Gaurav Gupta <g.gupta@samsung.com>
Date: Mon, 14 Jul 2014 16:01:10 +0800
Subject: Adding a check in case of allocation error
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.
---
relaxng.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/relaxng.c b/relaxng.c
index 370e314..3d8524d 100644
--- a/relaxng.c
+++ b/relaxng.c
@@ -9409,6 +9409,10 @@ 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;
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