From: trix@redhat.com
To: mic@digikod.net, nathan@kernel.org, ndesaulniers@google.com
Cc: linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com,
Tom Rix <trix@redhat.com>
Subject: [PATCH] samples/landlock: fix path_list memory leak
Date: Tue, 27 Apr 2021 11:37:55 -0700 [thread overview]
Message-ID: <20210427183755.2790654-1-trix@redhat.com> (raw)
From: Tom Rix <trix@redhat.com>
Clang static analysis reports this error
sandboxer.c:134:8: warning: Potential leak of memory
pointed to by 'path_list'
ret = 0;
^
path_list is allocated in parse_path() but never freed.
Signed-off-by: Tom Rix <trix@redhat.com>
---
samples/landlock/sandboxer.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/samples/landlock/sandboxer.c b/samples/landlock/sandboxer.c
index 7a15910d2171..4629d011ed61 100644
--- a/samples/landlock/sandboxer.c
+++ b/samples/landlock/sandboxer.c
@@ -134,6 +134,8 @@ static int populate_ruleset(
ret = 0;
out_free_name:
+ if (path_list)
+ free(path_list);
free(env_path_name);
return ret;
}
--
2.26.3
next reply other threads:[~2021-04-27 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 18:37 trix [this message]
2021-04-27 19:13 ` [PATCH] samples/landlock: fix path_list memory leak Nick Desaulniers
2021-04-28 9:58 ` Mickaël Salaün
2021-04-28 15:36 ` Tom Rix
2021-04-28 18:04 ` Mickaël Salaün
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210427183755.2790654-1-trix@redhat.com \
--to=trix@redhat.com \
--cc=clang-built-linux@googlegroups.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=mic@digikod.net \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.