From: Julia Kartseva <hex@fb.com>
Date: Tue, 23 Nov 2021 23:38:11 +0000 (-0800)
Subject: bpf: fix memleak in restrict_fs_bpf
X-Git-Tag: v250-rc1~174
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ab3c86d63ce0f046325d1f7b70ed149574cdbcf;p=thirdparty%2Fsystemd.git

bpf: fix memleak in restrict_fs_bpf

Memory allocated in bpf skeleton is not freed. Wrap ptr in _cleanup_.

Fixes: #21471
---

diff --git a/src/core/bpf-lsm.c b/src/core/bpf-lsm.c
index ed35cad91dd..8af2da0288d 100644
--- a/src/core/bpf-lsm.c
+++ b/src/core/bpf-lsm.c
@@ -52,7 +52,7 @@ static bool bpf_can_link_lsm_program(struct bpf_program *prog) {
 }
 
 static int prepare_restrict_fs_bpf(struct restrict_fs_bpf **ret_obj) {
-        struct restrict_fs_bpf *obj = 0;
+        _cleanup_(restrict_fs_bpf_freep) struct restrict_fs_bpf *obj = NULL;
         _cleanup_close_ int inner_map_fd = -1;
         int r;