BPF List
 help / color / mirror / Atom feed
* [PATCH AUTOSEL 5.15 06/36] samples/bpf: Fix a resource leak
       [not found] <20241124135219.3349183-1-sashal@kernel.org>
@ 2024-11-24 13:51 ` Sasha Levin
  0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2024-11-24 13:51 UTC (permalink / raw)
  To: linux-kernel, stable
  Cc: Zhu Jun, Andrii Nakryiko, Sasha Levin, ast, daniel, bpf

From: Zhu Jun <zhujun2@cmss.chinamobile.com>

[ Upstream commit f3ef53174b23246fe9bc2bbc2542f3a3856fa1e2 ]

The opened file should be closed in show_sockopts(), otherwise resource
leak will occur that this problem was discovered by reading code

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20241010014126.2573-1-zhujun2@cmss.chinamobile.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 samples/bpf/test_cgrp2_sock.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c
index b0811da5a00f3..3f56519a1ccd7 100644
--- a/samples/bpf/test_cgrp2_sock.c
+++ b/samples/bpf/test_cgrp2_sock.c
@@ -174,8 +174,10 @@ static int show_sockopts(int family)
 		return 1;
 	}
 
-	if (get_bind_to_device(sd, name, sizeof(name)) < 0)
+	if (get_bind_to_device(sd, name, sizeof(name)) < 0) {
+		close(sd);
 		return 1;
+	}
 
 	mark = get_somark(sd);
 	prio = get_priority(sd);
-- 
2.43.0


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2024-11-24 13:52 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <20241124135219.3349183-1-sashal@kernel.org>
2024-11-24 13:51 ` [PATCH AUTOSEL 5.15 06/36] samples/bpf: Fix a resource leak Sasha Levin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox