textproc/libxml2: update to 2.9.7

PR:		222893
PR:		224189
Reported by:	Walter Hop <walter@lifeforms.nl>
Approved by:	gnome@ (kwm)
Exp-run by:	antoine
MFH:		2017Q4
Security:	76e59f55-4f7a-4887-bcb0-11604004163a

1 files changed, 0 insertions, 57 deletions

diff --git a/textproc/libxml2/files/patch-d8083bf b/textproc/libxml2/files/patch-d8083bf
deleted file mode 100644
index 57f52f86392b..000000000000
--- a/textproc/libxml2/files/patch-d8083bf
+++ /dev/null
@@ -1,57 +0,0 @@
-From d8083bf77955b7879c1290f0c0a24ab8cc70f7fb Mon Sep 17 00:00:00 2001
-From: Nick Wellnhofer <wellnhofer@aevum.de>
-Date: Sat, 25 Jun 2016 12:35:50 +0200
-Subject: Fix NULL pointer deref in XPointer range-to
-
-- Check for errors after evaluating first operand.
-- Add sanity check for empty stack.
-
-Found with afl-fuzz.
----
- result/XPath/xptr/viderror | 4 ++++
- test/XPath/xptr/viderror   | 1 +
- xpath.c                    | 7 ++++++-
- 3 files changed, 11 insertions(+), 1 deletion(-)
- create mode 100644 result/XPath/xptr/viderror
- create mode 100644 test/XPath/xptr/viderror
-
-diff --git a/result/XPath/xptr/viderror b/result/XPath/xptr/viderror
-new file mode 100644
-index 0000000..d589882
---- /dev/null
-+++ result/XPath/xptr/viderror
-@@ -0,0 +1,4 @@
-+
-+========================
-+Expression: xpointer(non-existing-fn()/range-to(id('chapter2')))
-+Object is empty (NULL)
-diff --git a/test/XPath/xptr/viderror b/test/XPath/xptr/viderror
-new file mode 100644
-index 0000000..da8c53b
---- /dev/null
-+++ test/XPath/xptr/viderror
-@@ -0,0 +1 @@
-+xpointer(non-existing-fn()/range-to(id('chapter2')))
-diff --git a/xpath.c b/xpath.c
-index 113bce6..751665b 100644
---- xpath.c
-+++ xpath.c
-@@ -14005,9 +14005,14 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
-                 xmlNodeSetPtr oldset;
-                 int i, j;
- 
--                if (op->ch1 != -1)
-+                if (op->ch1 != -1) {
-                     total +=
-                         xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
-+                    CHECK_ERROR0;
-+                }
-+                if (ctxt->value == NULL) {
-+                    XP_ERROR0(XPATH_INVALID_OPERAND);
-+                }
-                 if (op->ch2 == -1)
-                     return (total);
- 
--- 
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