1 files changed, 18 insertions, 0 deletions
diff --git a/ext/gd/tests/bug39780_extern.phpt b/ext/gd/tests/bug39780_extern.phpt
new file mode 100644
index 0000000..79ed4f2
--- /dev/null
+++ b/ext/gd/tests/bug39780_extern.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Bug #39780 (PNG image with CRC/data error raises a fatal error)
+--SKIPIF--
+<?php
+	if (!extension_loaded('gd')) die("skip gd extension not available\n");
+	if (GD_BUNDLED) die("skip requires extern GD\n");
+?>
+--FILE--
+<?php
+
+$im = imagecreatefrompng(dirname(__FILE__) . '/bug39780.png');
+var_dump($im);
+?>
+--EXPECTF--
+gd-png:  fatal libpng error: Read Error: truncated data
+gd-png error: setjmp returns error condition 2
+Warning: imagecreatefrompng(): '%sbug39780.png' is not a valid PNG file in /%s on line %d
+bool(false)
+\ No newline at end of file