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List: dpdk-dev
Subject: [dpdk-dev] [PATCH 2/5] bridge: fix string length warning
From: Stephen Hemminger <stephen () networkplumber ! org>
Date: 2020-11-29 17:54:34
Message-ID: 20201129175437.15346-3-stephen () networkplumber ! org
[Download RAW message or body]
Gcc-10 complains about possible string length overflow.
This can't happen Ethernet address format is always limited to
18 characters or less. Just resize the temp buffer.
Fixes: 70dfb0b8836d ("iplink: bridge: export bridge_id and designated_root")
Cc: nikolay@cumulusnetworks.com
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
ip/iplink_bridge.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 3e81aa059cb3..d12fd0558f7d 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -74,7 +74,7 @@ static void explain(void)
void br_dump_bridge_id(const struct ifla_bridge_id *id, char *buf, size_t len)
{
- char eaddr[32];
+ char eaddr[18];
ether_ntoa_r((const struct ether_addr *)id->addr, eaddr);
snprintf(buf, len, "%.2x%.2x.%s", id->prio[0], id->prio[1], eaddr);
--
2.29.2
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