Crash when passing an uninitialized variable to document()

https://bugzilla.gnome.org/show_bug.cgi?id=685330

Missing check for NULL

6 files changed, 16 insertions, 0 deletions

diff --git a/tests/docs/Makefile.am b/tests/docs/Makefile.am
index 59487a60..c5dad4c5 100644
--- a/tests/docs/Makefile.am
+++ b/tests/docs/Makefile.am
@@ -178,6 +178,7 @@ EXTRA_DIST =	\
 	bug-177.xml \
 	bug-178.xml \
 	bug-179.xml \
+	bug-180.xml \
 	character.xml \
 	array.xml \
 	items.xml
diff --git a/tests/docs/bug-180.xml b/tests/docs/bug-180.xml
new file mode 100644
index 00000000..2ca0eba5
--- /dev/null
+++ b/tests/docs/bug-180.xml
@@ -0,0 +1,2 @@
+<doc/>
+
diff --git a/tests/general/Makefile.am b/tests/general/Makefile.am
index 762eca9f..0c2ef307 100644
--- a/tests/general/Makefile.am
+++ b/tests/general/Makefile.am
@@ -187,6 +187,7 @@ EXTRA_DIST = \
     bug-177.out bug-177.xsl \
     bug-178.out bug-178.xsl \
     bug-179.out bug-179.xsl \
+    bug-180.out bug-180.xsl bug-180.err \
     character.out character.xsl \
     character2.out character2.xsl \
     itemschoose.out itemschoose.xsl \
diff --git a/tests/general/bug-180.err b/tests/general/bug-180.err
new file mode 100644
index 00000000..e45b36e8
--- /dev/null
+++ b/tests/general/bug-180.err
@@ -0,0 +1,4 @@
+runtime error: file ./bug-180.xsl line 4 element copy-of
+Variable 'xxx' has not been declared.
+XPath error : Stack usage errror
+xmlXPathCompiledEval: 1 objects left on the stack.
diff --git a/tests/general/bug-180.out b/tests/general/bug-180.out
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/tests/general/bug-180.out
diff --git a/tests/general/bug-180.xsl b/tests/general/bug-180.xsl
new file mode 100644
index 00000000..652d9fc5
--- /dev/null
+++ b/tests/general/bug-180.xsl
@@ -0,0 +1,8 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+
+  <xsl:template match="/">
+      <xsl:copy-of select=" * | document($xxx) "/>
+  </xsl:template>
+
+</xsl:stylesheet>
+