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| author | Zhu Jun <zhujun2@cmss.chinamobile.com> | 2024-10-10 04:41:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-14 21:54:40 +0300 |
| commit | 039daf6f023935efb7edd786bce87e1698292ca0 (patch) | |
| tree | 19e29b35585c59345d9102fd92caa65816e26818 /samples | |
| parent | 77f168247bfd0f8c6f73da4890e4d0a4f0ea4c74 (diff) | |
| download | linux-039daf6f023935efb7edd786bce87e1698292ca0.tar.xz | |
samples/bpf: Fix a resource leak
[ 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>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/test_cgrp2_sock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c index a0811df888f4..8ca2a445ffa1 100644 --- a/samples/bpf/test_cgrp2_sock.c +++ b/samples/bpf/test_cgrp2_sock.c @@ -178,8 +178,10 @@ 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); |