* [PATCH AUTOSEL 5.4 04/28] samples/bpf: Fix a resource leak
[not found] <20241124135549.3350700-1-sashal@kernel.org>
@ 2024-11-24 13:55 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2024-11-24 13:55 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
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[not found] <20241124135549.3350700-1-sashal@kernel.org>
2024-11-24 13:55 ` [PATCH AUTOSEL 5.4 04/28] samples/bpf: Fix a resource leak Sasha Levin
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