[PATCH] tc: Fix descriptor leak in get_filter_kind()
From: Maks Mishin <hidden>
Date: 2024-02-07 21:01:09
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add closure of fd `dlh`. Found by RASU JSC Signed-off-by: Maks Mishin <redacted> --- tc/tc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/tc/tc.c b/tc/tc.c
index 575157a8..4f89719c 100644
--- a/tc/tc.c
+++ b/tc/tc.c@@ -167,6 +167,9 @@ struct filter_util *get_filter_kind(const char *str) snprintf(buf, sizeof(buf), "%s_filter_util", str); q = dlsym(dlh, buf); + if (dlh != NULL) + dlclose(dlh); + if (q == NULL) goto noexist;
--
2.30.2