Add ASAN XLEAK support

Only disable LSAN instead of skipping the test. This way we can still detect
memory issues which is arguably more important anyway.

Closes GH-10996

Author: iluuu1994

ext/enchant/tests/dict_quick_check.phpt

@@ -6,7 +6,7 @@ marcosptf - <marcosptf@yahoo.com.br>
 enchant
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('skip Known libenchant memory leak');
+if (getenv('SKIP_ASAN')) die('xleak Known libenchant memory leak');
 if (!is_object(enchant_broker_init())) {die("skip, resource dont load\n");}
 if (!is_array(enchant_broker_list_dicts(enchant_broker_init()))) {die("skip, no dictionary installed on this machine! \n");}
 

ext/ffi/tests/bug79576.phpt

@@ -4,7 +4,7 @@ Bug #79576 ("TYPE *" shows unhelpful message when type is not defined)
 ffi
 --SKIPIF--
 <?php
-if (PHP_DEBUG || getenv('SKIP_ASAN')) echo "xfail: FFI cleanup after parser error is nor implemented";
+if (PHP_DEBUG || getenv('SKIP_ASAN')) echo "xleak FFI cleanup after parser error is nor implemented";
 ?>
 --FILE--
 <?php

ext/imap/tests/imap_getsubscribed_basic.phpt

@@ -7,7 +7,7 @@ imap
 --SKIPIF--
 <?php
 require_once(__DIR__.'/setup/skipif.inc');
-if (getenv("SKIP_ASAN")) die("skip asan chokes on this: 'LeakSanitizer does not work under ptrace (strace, gdb, etc)'");
+if (getenv("SKIP_ASAN")) die("xleak asan chokes on this: 'LeakSanitizer does not work under ptrace (strace, gdb, etc)'");
 ?>
 --CONFLICTS--
 defaultmailbox

ext/imap/tests/imap_lsub_basic.phpt

@@ -7,7 +7,7 @@ imap
 --SKIPIF--
 <?php
 require_once(__DIR__.'/setup/skipif.inc');
-if (getenv("SKIP_ASAN")) die("skip leak sanitizer crashes");
+if (getenv("SKIP_ASAN")) die("xleak leak sanitizer crashes");
 ?>
 --CONFLICTS--
 defaultmailbox

ext/imap/tests/imap_open_error.phpt

@@ -8,7 +8,7 @@ imap
 --SKIPIF--
 <?php
 require_once(__DIR__.'/setup/skipif.inc');
-if (getenv("SKIP_ASAN")) die("skip leak sanitizer crashes");
+if (getenv("SKIP_ASAN")) die("xleak leak sanitizer crashes");
 ?>
 --FILE--
 <?php

ext/oci8/tests/privileged_connect1.phpt

@@ -4,7 +4,7 @@ privileged connect tests
 oci8
 --SKIPIF--
 <?php 
-if (getenv('SKIP_ASAN')) die('skip leaks memory under asan');
+if (getenv('SKIP_ASAN')) die('xleak leaks memory under asan');
 ?>
 --INI--
 oci8.privileged_connect=1

ext/opcache/tests/gh9259_003.phpt

@@ -4,7 +4,7 @@ Bug GH-9259 003 (Setting opcache.interned_strings_buffer to a very high value le
 opcache
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('xfail Leaks memory with ASAN');
+if (getenv('SKIP_ASAN')) die('xleak Leaks memory with ASAN');
 ?>
 --INI--
 opcache.interned_strings_buffer=500

ext/opcache/tests/log_verbosity_bug.phpt

@@ -14,7 +14,7 @@ opcache.log_verbosity_level=-1
 opcache
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('xfail Startup failure leak');
+if (getenv('SKIP_ASAN')) die('xleak Startup failure leak');
 ?>
 --FILE--
 <?php

ext/opcache/tests/preload_006.phpt

@@ -10,7 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
-if (getenv('SKIP_ASAN')) die('xfail Startup failure leak');
+if (getenv('SKIP_ASAN')) die('xleak Startup failure leak');
 ?>
 --FILE--
 <?php

ext/opcache/tests/preload_parse_error.phpt

@@ -10,7 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
-if (getenv('SKIP_ASAN')) die('xfail Startup failure leak');
+if (getenv('SKIP_ASAN')) die('xleak Startup failure leak');
 ?>
 --FILE--
 OK

ext/pdo_oci/tests/pecl_bug_6364.phpt

@@ -5,7 +5,7 @@ pdo
 pdo_oci
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('skip leaks memory under asan');
+if (getenv('SKIP_ASAN')) die('xleak leaks memory under asan');
 require(__DIR__.'/../../pdo/tests/pdo_test.inc');
 PDOTest::skip();
 ?>

ext/posix/tests/posix_getgrgid_error.phpt

@@ -4,7 +4,7 @@ Test posix_getgrgid() function : error conditions
 posix
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('skip LSan crashes when firebird is loaded');
+if (getenv('SKIP_ASAN')) die('xleak LSan crashes when firebird is loaded');
 ?>
 --FILE--
 <?php

ext/posix/tests/posix_getpwuid_error.phpt

@@ -4,7 +4,7 @@ Test posix_getpwuid() function : error conditions
 posix
 --SKIPIF--
 <?php
-if (getenv('SKIP_ASAN')) die('skip LSan crashes when firebird is loaded');
+if (getenv('SKIP_ASAN')) die('xleak LSan crashes when firebird is loaded');
 ?>
 --FILE--
 <?php

ext/pspell/tests/005.phpt

@@ -5,7 +5,7 @@ pspell
 --SKIPIF--
 <?php
 if (!@pspell_new('en')) die('skip English dictionary is not available');
-if (getenv('SKIP_ASAN')) die('skip pspell leaks memory for invalid dicationaries');
+if (getenv('SKIP_ASAN')) die('xleak pspell leaks memory for invalid dicationaries');
 ?>
 --FILE--
 <?php

ext/standard/tests/general_functions/get_cfg_var_variation8.phpt

@@ -6,7 +6,7 @@ Francesco Fullone ff@ideato.it
 --INI--
 magic_quotes_gpc=1
 --SKIPIF--
-<?php if (getenv('SKIP_ASAN')) die('xfail Startup failure leak'); ?>
+<?php if (getenv('SKIP_ASAN')) die('xleak Startup failure leak'); ?>
 --FILE--
 <?php
 echo "*** Test by calling method or function with deprecated option ***\n";

ext/standard/tests/streams/bug46024.phpt

@@ -5,7 +5,7 @@ Bug #46024 stream_select() doesn't return the correct number
 if (!getenv('TEST_PHP_EXECUTABLE_ESCAPED')) die("skip TEST_PHP_EXECUTABLE_ESCAPED not defined");
 // Terminating the process may cause a bailout while writing out the phpinfo,
 // which may leak a temporary hash table. This does not seems worth fixing.
-if (getenv('SKIP_ASAN')) die("skip Test may leak");
+if (getenv('SKIP_ASAN')) die("xleak Test may leak");
 ?>
 --FILE--
 <?php

run-tests.php

@@ -2207,6 +2207,9 @@ function run_test(string $php, $file, array $env): string
         } elseif (!strncasecmp('xfail', $output, 5)) {
             // Pretend we have an XFAIL section
             $test->setSection('XFAIL', ltrim(substr($output, 5)));
+        } elseif (!strncasecmp('xleak', $output, 5)) {
+            // Pretend we have an XLEAK section
+            $test->setSection('XLEAK', ltrim(substr($output, 5)));
         } elseif ($output !== '') {
             show_result("BORK", $output, $tested_file, 'reason: invalid output from SKIPIF', $temp_filenames);
             $PHP_FAILED_TESTS['BORKED'][] = [
@@ -2461,6 +2464,10 @@ function run_test(string $php, $file, array $env): string
         $cmd = $valgrind->wrapCommand($cmd, $memcheck_filename, strpos($test_file, "pcre") !== false);
     }
 
+    if ($test->hasSection('XLEAK') && isset($env['SKIP_ASAN'])) {
+        $env['LSAN_OPTIONS'] = 'detect_leaks=0';
+    }
+
     if ($DETAILED) {
         echo "
 CONTENT_LENGTH  = " . $env['CONTENT_LENGTH'] . "
@@ -2657,7 +2664,8 @@ function run_test(string $php, $file, array $env): string
             if ($test->hasSection('XFAIL')) {
                 $warn = true;
                 $info = " (warn: XFAIL section but test passes)";
-            } elseif ($test->hasSection('XLEAK')) {
+            } elseif ($test->hasSection('XLEAK') && !isset($env['SKIP_ASAN'])) {
+                // XLEAK with ASAN completely disables LSAN so the test is expected to pass
                 $warn = true;
                 $info = " (warn: XLEAK section but test passes)";
             } else {
@@ -2694,7 +2702,8 @@ function run_test(string $php, $file, array $env): string
         if ($test->hasSection('XFAIL')) {
             $restype[] = 'XFAIL';
             $info = '  XFAIL REASON: ' . rtrim($test->getSection('XFAIL'));
-        } elseif ($test->hasSection('XLEAK')) {
+        } elseif ($test->hasSection('XLEAK') && !isset($env['SKIP_ASAN'])) {
+            // XLEAK with ASAN completely disables LSAN so the test is expected to pass
             $restype[] = 'XLEAK';
             $info = '  XLEAK REASON: ' . rtrim($test->getSection('XLEAK'));
         } else {