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Message-Id: <20240207203239.10851-1-maks.mishinFZ@gmail.com>
Date: Wed, 7 Feb 2024 23:32:39 +0300
From: Maks Mishin <maks.mishinfz@...il.com>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: Maks Mishin <maks.mishinFZ@...il.com>,
netdev@...r.kernel.org
Subject: [PATCH] ll_map: Fix descriptor leak in ll_link_get()
Found by RASU JSC
Signed-off-by: Maks Mishin <maks.mishinFZ@...il.com>
---
lib/ll_map.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/ll_map.c b/lib/ll_map.c
index 8970c20f..711708a5 100644
--- a/lib/ll_map.c
+++ b/lib/ll_map.c
@@ -278,8 +278,10 @@ static int ll_link_get(const char *name, int index)
struct nlmsghdr *answer;
int rc = 0;
- if (rtnl_open(&rth, 0) < 0)
+ if (rtnl_open(&rth, 0) < 0) {
+ rtnl_close(&rth);
return 0;
+ }
addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask);
if (name)
--
2.30.2
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