com php-src: Fix #79797: Use of freed hash key in the phar_parse_zipfile function: ext/phar/tests/bug79 797.phar ext/phar/tests/bug79797.phpt e
xt/phar/zip.c
| From: | Stanislav Malyshev | Date: | Sun, 02 Aug 2020 22:31:29 +0000 |
| Subject: | com php-src: Fix #79797: Use of freed hash key in the phar_parse_zipfile function: ext/phar/tests/bug79 797.phar ext/phar/tests/bug79797.phpt e xt/phar/zip.c |
||
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Commit: 7355ab81763a3d6a04ac11660e6a16d58838d187
Author: Christoph M. Becker <cmbecker69@gmx.de> Tue, 14 Jul 2020 17:04:24 +0200
Committer: Stanislav Malyshev <stas@php.net> Sun, 2 Aug 2020 15:31:29 -0700
Parents: c68d48de9e1b6b6657d11da308f8b4059ad486dd
Branches: PHP-7..2
Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=7355ab81763a3d6a04ac11660e6a16d58838d187
Log:
Fix #79797: Use of freed hash key in the phar_parse_zipfile function
We must not use heap memory after we freed it.
Bugs:
https://bugs.php.net/79797
Changed paths:
A ext/phar/tests/bug79797.phar
A ext/phar/tests/bug79797..phpt
M ext/phar/zip.c
Diff:
diff --git a/ext/phar/tests/bug79797.phar b/ext/phar/tests/bug79797.phar
new file mode 100644
index 0000000000..21d43d9eeb
Binary files /dev/null and b/ext/phar/tests/bug79797..phar differ
diff --git a/ext/phar/tests/bug79797.phpt b/ext/phar/tests/bug79797.phpt
new file mode 100644
index 0000000000..761e5379e0
--- /dev/null
+++ b/ext/phar/tests/bug79797.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #79797 (Use of freed hash key in the phar_parse_zipfile function)
+--SKIPIF--
+<?php
+if (!extension_loaded('phar')) die('skip phar extension not available');
+?>
+--INI--
+phar.cache_list={PWD}/bug79797.phar
+--FILE--
+<?php
+echo "done\n";
+?>
+--EXPECT--
+done
diff --git a/ext/phar/zip.c b/ext/phar/zip.c
index d615e8adda..50c5d69e9b 100644
--- a/ext/phar/zip.c
+++ b/ext/phar/zip.c
@@ -703,7 +703,7 @@ foundit:
efree(actual_alias);
}
- zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), actual_alias, mydata->alias_len, mydata);
+ zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), mydata->alias, mydata->alias_len,
mydata);
} else {
phar_archive_data *fd_ptr;