From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Thu, 3 Nov 2016 22:04:40 +0000 (+0000)
Subject: acl-util: fix memleak
X-Git-Tag: v231.3~34
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=dad879d0bdf2b21c47fe11d1464a2da2e3ec6b8b

acl-util: fix memleak

Fixes:
$ ./libtool --mode execute valgrind --leak-check=full ./journalctl >/dev/null
==22309== Memcheck, a memory error detector
==22309== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==22309== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==22309== Command: /home/vagrant/elogind/.libs/lt-journalctl
==22309==
Hint: You are currently not seeing messages from other users and the system.
      Users in groups 'adm', 'elogind-journal', 'wheel' can see all messages.
      Pass -q to turn off this notice.
==22309==
==22309== HEAP SUMMARY:
==22309==     in use at exit: 8,680 bytes in 4 blocks
==22309==   total heap usage: 5,543 allocs, 5,539 frees, 9,045,618 bytes allocated
==22309==
==22309== 488 (56 direct, 432 indirect) bytes in 1 blocks are definitely lost in loss record 2 of 4
==22309==    at 0x4C2BBAD: malloc (vg_replace_malloc.c:299)
==22309==    by 0x6F37A0A: __new_var_obj_p (__libobj.c:36)
==22309==    by 0x6F362F7: __acl_init_obj (acl_init.c:28)
==22309==    by 0x6F37731: __acl_from_xattr (__acl_from_xattr.c:54)
==22309==    by 0x6F36087: acl_get_file (acl_get_file.c:69)
==22309==    by 0x4F15752: acl_search_groups (acl-util.c:172)
==22309==    by 0x113A1E: access_check_var_log_journal (journalctl.c:1836)
==22309==    by 0x113D8D: access_check (journalctl.c:1889)
==22309==    by 0x115681: main (journalctl.c:2236)
==22309==
==22309== LEAK SUMMARY:
==22309==    definitely lost: 56 bytes in 1 blocks
==22309==    indirectly lost: 432 bytes in 1 blocks
==22309==      possibly lost: 0 bytes in 0 blocks
==22309==    still reachable: 8,192 bytes in 2 blocks
==22309==         suppressed: 0 bytes in 0 blocks

(cherry picked from commit 29d87223d54fc13e16f444677f0a94ed0755bd88)
---

diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c
index 2963f9fc4..b99ecbba5 100644
--- a/src/shared/acl-util.c
+++ b/src/shared/acl-util.c
@@ -163,7 +163,7 @@ int add_base_acls_if_needed(acl_t *acl_p, const char *path) {
 
 int acl_search_groups(const char *path, char ***ret_groups) {
         _cleanup_strv_free_ char **g = NULL;
-        _cleanup_(acl_free) acl_t acl = NULL;
+        _cleanup_(acl_freep) acl_t acl = NULL;
         bool ret = false;
         acl_entry_t entry;
         int r;