Fix #77432: Segmentation fault on including phar file

ext/phar/stream.c

@@ -254,6 +254,17 @@ static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, const cha
 				php_url_free(resource);
 				goto phar_stub;
 			} else {
+				php_stream *stream = phar_get_pharfp(phar);
+				if (stream == NULL) {
+					if (UNEXPECTED(FAILURE == phar_open_archive_fp(phar))) {
+						php_stream_wrapper_log_error(wrapper, options, "phar error: could not reopen phar \"%s\"", ZSTR_VAL(resource->host));
+						efree(internal_file);
+						php_url_free(resource);
+						return NULL;
+					}
+					stream = phar_get_pharfp(phar);
+				}
+
 				phar_entry_info *entry;
 
 				entry = (phar_entry_info *) ecalloc(1, sizeof(phar_entry_info));
@@ -266,7 +277,7 @@ static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, const cha
 				entry->is_crc_checked = 1;
 
 				idata = (phar_entry_data *) ecalloc(1, sizeof(phar_entry_data));
-				idata->fp = phar_get_pharfp(phar);
+				idata->fp = stream;
 				idata->phar = phar;
 				idata->internal_file = entry;
 				if (!phar->is_persistent) {

ext/phar/tests/bug77432.phpt

@@ -0,0 +1,46 @@
+--TEST--
+Bug #77432 (Segmentation fault on including phar file)
+--EXTENSIONS--
+phar
+--INI--
+phar.readonly=0
+--FILE--
+<?php
+
+$filename = __DIR__ . '/bug77432.phar';
+
+$phar = new Phar($filename);
+$phar->startBuffering();
+$phar->addFromString('test.txt', 'text');
+$phar->setStub('<?php echo "hello world\n"; __HALT_COMPILER(); ?>');
+$phar->stopBuffering();
+unset($phar);
+
+echo "--- Include 1 ---\n";
+include("phar://" . $filename);
+echo "--- Include 2 ---\n";
+// Note: will warn because the halting offset is redefined, but won't display the name because "zend_mangle_property_name" starts the name with \0
+// However, this is just the easiest way to reproduce it, so go with this test.
+include("phar://" . $filename);
+echo "--- After unlink ---\n";
+unlink($filename);
+// This will just fail, as it should, but it is here to test the reopen error-handling path.
+include("phar://" . $filename);
+
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . '/bug77432.phar');
+?>
+--EXPECTF--
+--- Include 1 ---
+hello world
+--- Include 2 ---
+
+Warning: Constant  already defined in %s on line %d
+hello world
+--- After unlink ---
+
+Warning: include(%sbug77432.phar): Failed to open stream: phar error: could not reopen phar "%sbug77432.phar" in %s on line %d
+
+Warning: include(): Failed opening '%sbug77432.phar' for inclusion (include_path='.:') in %s on line %d