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xfrm: replace deprecated strncpy with strscpy_pad

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The function strncpy is deprecated since it does not guarantee the
destination buffer is NULL terminated. Recommended replacement is
strscpy. The padded version was used to remain consistent with the other
strscpy_pad usage in the modified function.

Signed-off-by: Daniel Yang <danielyangkang@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Daniel Yang 2024-11-13 01:20:58 -08:00 committed by Steffen Klassert
parent 9d287e70c5
commit 9e1a6db68e
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_user.c
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@ -1101,7 +1101,7 @@ static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb)
if (!nla)
return -EMSGSIZE;
algo = nla_data(nla);
strncpy(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
strscpy_pad(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
if (redact_secret && auth->alg_key_len)
memset(algo->alg_key, 0, (auth->alg_key_len + 7) / 8);