From: Ma Ke <make24@iscas.ac.cn>
To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
yonghong.song@linux.dev, john.fastabend@gmail.com,
kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com,
jolsa@kernel.org, mykolal@fb.com, shuah@kernel.org
Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, Ma Ke <make24@iscas.ac.cn>
Subject: [PATCH] bpf, selftests: fix a resource leak in main()
Date: Thu, 11 Jul 2024 15:44:37 +0800 [thread overview]
Message-ID: <20240711074437.2283810-1-make24@iscas.ac.cn> (raw)
The requested resources should be closed before return in main(), otherwise
resource leak will occur. Add a check of cgroup_fd and close().
Fixes: 4939b2847d26 ("bpf, selftests: Use single cgroup helpers for both test_sockmap/progs")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
---
tools/testing/selftests/bpf/test_dev_cgroup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/selftests/bpf/test_dev_cgroup.c
index adeaf63cb6fa..e97fc061fab2 100644
--- a/tools/testing/selftests/bpf/test_dev_cgroup.c
+++ b/tools/testing/selftests/bpf/test_dev_cgroup.c
@@ -81,5 +81,7 @@ int main(int argc, char **argv)
cleanup_cgroup_environment();
out:
+ if (cgroup_fd >= 0)
+ close(cgroup_fd);
return error;
}
--
2.25.1
next reply other threads:[~2024-07-11 7:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-11 7:44 Ma Ke [this message]
2024-07-11 7:52 ` Eduard Zingerman
2024-07-11 7:51 Ma Ke
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