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From 6b4717d61ddd8499872ff7249b6712732c8b11cb Mon Sep 17 00:00:00 2001
From: David Kilzer <ddkilzer@apple.com>
Date: Mon, 6 Jul 2020 12:36:27 +0200
Subject: [PATCH] Add regexp regression tests
- Bug 757711: heap-buffer-overflow in xmlFAParsePosCharGroup
<https://bugzilla.gnome.org/show_bug.cgi?id=757711>
- Bug 783015 - Integer-overflow in xmlFAParseQuantExact
<https://bugzilla.gnome.org/show_bug.cgi?id=783015>
(Regexptests): Add support for checking stderr output when
running regexp tests. This makes it possible to check in test
cases that fail and not see false-positive error output when
running the tests. Unlike other libxml2 test suites, if there
is no stderr output, no *.err file needs to be created.
---
Makefile.am | 12 +++++++-----
result/regexp/bug757711 | 2 ++
result/regexp/bug757711.err | 2 ++
result/regexp/bug783015 | 4 ++++
result/regexp/bug783015.err | 1 +
test/regexp/bug757711 | 1 +
test/regexp/bug783015 | 4 ++++
7 files changed, 21 insertions(+), 5 deletions(-)
create mode 100644 result/regexp/bug757711
create mode 100644 result/regexp/bug757711.err
create mode 100644 result/regexp/bug783015
create mode 100644 result/regexp/bug783015.err
create mode 100644 test/regexp/bug757711
create mode 100644 test/regexp/bug783015
diff --git a/Makefile.am b/Makefile.am
index 2a9d4709..76a834ef 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -907,14 +907,16 @@ Regexptests: testRegexp$(EXEEXT)
if [ ! -d $$i ] ; then \
if [ ! -f $(srcdir)/result/regexp/$$name ] ; then \
echo New test file $$name ; \
- $(CHECKER) $(top_builddir)/testRegexp -i $$i > $(srcdir)/result/regexp/$$name; \
+ $(CHECKER) $(top_builddir)/testRegexp -i $$i > $(srcdir)/result/regexp/$$name 2> $(srcdir)/result/regexp/$$name.err ; \
+ if [ ! -s "$(srcdir)/result/regexp/$$name.err" ] ; then rm $(srcdir)/result/regexp/$$name.err; fi ; \
grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0";\
else \
- log=`$(CHECKER) $(top_builddir)/testRegexp -i $$i 2>&1 > result.$$name ; \
+ log=`$(CHECKER) $(top_builddir)/testRegexp -i $$i > result.$$name 2> error.$$name ; \
grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0";\
- diff $(srcdir)/result/regexp/$$name result.$$name` ; \
- if [ -n "$$log" ] ; then echo $$name result ; echo "$$log" ; fi ; \
- rm result.$$name ; \
+ diff $(srcdir)/result/regexp/$$name result.$$name ; \
+ if [ -s "$(srcdir)/result/regexp/$$name.err" -o -s "error.$$name" ] ; then diff $(srcdir)/result/regexp/$$name.err error.$$name ; fi` ; \
+ if [ -n "$$log" ] ; then echo $$name result ; echo $$log ; fi ; \
+ rm result.$$name error.$$name ; \
fi ; fi ; done)
# Disabled for now
diff --git a/result/regexp/bug757711 b/result/regexp/bug757711
new file mode 100644
index 00000000..0991e4e2
--- /dev/null
+++ b/result/regexp/bug757711
@@ -0,0 +1,2 @@
+Regexp: [;^((-
+ failed to compile
diff --git a/result/regexp/bug757711.err b/result/regexp/bug757711.err
new file mode 100644
index 00000000..f1cae806
--- /dev/null
+++ b/result/regexp/bug757711.err
@@ -0,0 +1,2 @@
+regexp error : failed to compile: Expecting the end of a char range
+regexp error : failed to compile: xmlFAParseCharClass: ']' expected
diff --git a/result/regexp/bug783015 b/result/regexp/bug783015
new file mode 100644
index 00000000..653f6f09
--- /dev/null
+++ b/result/regexp/bug783015
@@ -0,0 +1,4 @@
+Regexp: .{2147483647}
+input: Fail
+Regexp: .{2147483648}
+ failed to compile
diff --git a/result/regexp/bug783015.err b/result/regexp/bug783015.err
new file mode 100644
index 00000000..a00edc98
--- /dev/null
+++ b/result/regexp/bug783015.err
@@ -0,0 +1 @@
+regexp error : failed to compile: Improper quantifier
diff --git a/test/regexp/bug757711 b/test/regexp/bug757711
new file mode 100644
index 00000000..29098354
--- /dev/null
+++ b/test/regexp/bug757711
@@ -0,0 +1 @@
+=>[;^((-
diff --git a/test/regexp/bug783015 b/test/regexp/bug783015
new file mode 100644
index 00000000..5c91a0f1
--- /dev/null
+++ b/test/regexp/bug783015
@@ -0,0 +1,4 @@
+# This assumes 32-bit ints.
+=>.{2147483647}
+input
+=>.{2147483648}
--
2.23.0
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