From f2745e19c908a4c420badb440b9025cfc29e5984 Mon Sep 17 00:00:00 2001
From: Oscar Mira <oscar.mira@schibsted.com>
Date: Thu, 14 Mar 2019 16:30:05 +0100
Subject: [PATCH] add check script for regression testing

Run the fuzz targets over the seed corpus with the standalone driver as part of
the test suite.
---
 fuzz/Makefile.am                         |  7 ++++++-
 fuzz/jpegsave_buffer_fuzzer_corpus/.keep |  0
 fuzz/pngsave_buffer_fuzzer_corpus/.keep  |  0
 fuzz/sharpen_fuzzer_corpus/.keep         |  0
 fuzz/test_fuzz.sh                        | 20 ++++++++++++++++++++
 fuzz/thumbnail_fuzzer_corpus/.keep       |  0
 fuzz/webpsave_buffer_fuzzer_corpus/.keep |  0
 7 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 fuzz/jpegsave_buffer_fuzzer_corpus/.keep
 create mode 100644 fuzz/pngsave_buffer_fuzzer_corpus/.keep
 create mode 100644 fuzz/sharpen_fuzzer_corpus/.keep
 create mode 100755 fuzz/test_fuzz.sh
 create mode 100644 fuzz/thumbnail_fuzzer_corpus/.keep
 create mode 100644 fuzz/webpsave_buffer_fuzzer_corpus/.keep

diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index 8ad6d5cf..6169da14 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -1,3 +1,6 @@
+TESTS = \
+	test_fuzz.sh
+
 FUZZPROGS = \
 	jpegsave_buffer_fuzzer \
 	pngsave_buffer_fuzzer \
@@ -16,5 +19,7 @@ LDADD = ${top_builddir}/libvips/libvips.la @VIPS_LIBS@ @LIB_FUZZING_ENGINE@
 
 libstandaloneengine_a_SOURCES = StandaloneFuzzTargetMain.c
 
-noinst_PROGRAMS = $(FUZZPROGS)
+check_PROGRAMS = $(FUZZPROGS)
 noinst_LIBRARIES = $(FUZZLIBS)
+
+EXTRA_DIST = $(TESTS)
diff --git a/fuzz/jpegsave_buffer_fuzzer_corpus/.keep b/fuzz/jpegsave_buffer_fuzzer_corpus/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/fuzz/pngsave_buffer_fuzzer_corpus/.keep b/fuzz/pngsave_buffer_fuzzer_corpus/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/fuzz/sharpen_fuzzer_corpus/.keep b/fuzz/sharpen_fuzzer_corpus/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/fuzz/test_fuzz.sh b/fuzz/test_fuzz.sh
new file mode 100755
index 00000000..02af3c48
--- /dev/null
+++ b/fuzz/test_fuzz.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+#set -x
+set -e
+
+# Glib is build without -fno-omit-frame-pointer. We need
+# to disable the fast unwinder to get full stacktraces.
+export ASAN_OPTIONS="fast_unwind_on_malloc=0:allocator_may_return_null=1"
+
+# Hide all warning messages from vips.
+export VIPS_WARNING=0
+
+ret=0
+
+for fuzzer in *_fuzzer; do
+	find "${fuzzer}_corpus" -type f -not -empty -print0 \
+	  | xargs -0 -n1 "./$fuzzer" || ret=1
+done
+
+exit $ret
diff --git a/fuzz/thumbnail_fuzzer_corpus/.keep b/fuzz/thumbnail_fuzzer_corpus/.keep
new file mode 100644
index 00000000..e69de29b
diff --git a/fuzz/webpsave_buffer_fuzzer_corpus/.keep b/fuzz/webpsave_buffer_fuzzer_corpus/.keep
new file mode 100644
index 00000000..e69de29b