summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJustin Stitt <justinstitt@google.com>2023-08-09 01:06:04 +0000
committerFlorian Westphal <fw@strlen.de>2023-08-22 15:13:20 +0200
commite53314034b2374cfe9a426a5edab51e30cfe8f02 (patch)
treedea967d7dc1065658ee4cd0dcea72041a09429c3
parenta2f02c9920b2cc3c6cc1f2c2aee37354e6edd801 (diff)
netfilter: ipset: refactor deprecated strncpy
Use `strscpy_pad` instead of `strncpy`. Link: https://github.com/KSPP/linux/issues/90 Cc: linux-hardening@vger.kernel.org Signed-off-by: Justin Stitt <justinstitt@google.com> Signed-off-by: Florian Westphal <fw@strlen.de>
-rw-r--r--net/netfilter/ipset/ip_set_core.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 0b68e2e2824e..e564b5174261 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -872,7 +872,7 @@ ip_set_name_byindex(struct net *net, ip_set_id_t index, char *name)
BUG_ON(!set);
read_lock_bh(&ip_set_ref_lock);
- strncpy(name, set->name, IPSET_MAXNAMELEN);
+ strscpy_pad(name, set->name, IPSET_MAXNAMELEN);
read_unlock_bh(&ip_set_ref_lock);
}
EXPORT_SYMBOL_GPL(ip_set_name_byindex);
@@ -1326,7 +1326,7 @@ static int ip_set_rename(struct sk_buff *skb, const struct nfnl_info *info,
goto out;
}
}
- strncpy(set->name, name2, IPSET_MAXNAMELEN);
+ strscpy_pad(set->name, name2, IPSET_MAXNAMELEN);
out:
write_unlock_bh(&ip_set_ref_lock);
@@ -1380,9 +1380,9 @@ static int ip_set_swap(struct sk_buff *skb, const struct nfnl_info *info,
return -EBUSY;
}
- strncpy(from_name, from->name, IPSET_MAXNAMELEN);
- strncpy(from->name, to->name, IPSET_MAXNAMELEN);
- strncpy(to->name, from_name, IPSET_MAXNAMELEN);
+ strscpy_pad(from_name, from->name, IPSET_MAXNAMELEN);
+ strscpy_pad(from->name, to->name, IPSET_MAXNAMELEN);
+ strscpy_pad(to->name, from_name, IPSET_MAXNAMELEN);
swap(from->ref, to->ref);
ip_set(inst, from_id) = to;