[iproute PATCH v3 2/7] xfrm_state: Make sure alg_name is NULL-terminated

[Phil Sutter]

Signed-off-by: Phil Sutter <p...@nwl.cc>
---
 ip/xfrm_state.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ip/xfrm_state.c b/ip/xfrm_state.c
index e11c93bf1c3b5..7c0389038986e 100644
--- a/ip/xfrm_state.c
+++ b/ip/xfrm_state.c
@@ -125,7 +125,8 @@ static int xfrm_algo_parse(struct xfrm_algo *alg, enum 
xfrm_attr_type_t type,
        fprintf(stderr, "warning: ALGO-NAME/ALGO-KEYMAT values will be sent to 
the kernel promiscuously! (verifying them isn't implemented yet)\n");
 #endif
 
-       strncpy(alg->alg_name, name, sizeof(alg->alg_name));
+       strncpy(alg->alg_name, name, sizeof(alg->alg_name) - 1);
+       alg->alg_name[sizeof(alg->alg_name) - 1] = '\0';
 
        if (slen > 2 && strncmp(key, "0x", 2) == 0) {
                /* split two chars "0x" from the top */
-- 
2.13.1