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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Steffen Klassert , Herbert Xu , netdev@vger.kernel.org (open list:NETWORKING [IPv4/IPv6]), linux-kernel@vger.kernel.org (open list) Cc: Lalit Shankar Chowdhury Subject: [PATCH] ipv6: replace sprintf() with no format specifiers with strscpy() Date: Wed, 9 Sep 2026 21:05:52 +0000 Message-ID: <20260909210552.51828-1-lalitshankarch@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Multiple instances of sprintf() have no format specifiers. Replace them with strscpy(). Signed-off-by: Lalit Shankar Chowdhury --- net/ipv6/ip6_tunnel.c | 2 +- net/ipv6/ip6_vti.c | 2 +- net/ipv6/ip6mr.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index d5ff50a2ac01..ef3a6d931c9e 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -294,7 +294,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p) goto failed; strscpy(name, p->name, IFNAMSIZ); } else { - sprintf(name, "ip6tnl%%d"); + strscpy(name, "ip6tnl%d", IFNAMSIZ); } err = -ENOMEM; dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN, diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index ab94b3a4ba9c..182a7949d830 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -210,7 +210,7 @@ static struct ip6_tnl *vti6_tnl_create(struct net *net, struct __ip6_tnl_parm *p goto failed; strscpy(name, p->name, IFNAMSIZ); } else { - sprintf(name, "ip6_vti%%d"); + strscpy(name, "ip6_vti%d", IFNAMSIZ); } dev = alloc_netdev(sizeof(*t), name, NET_NAME_UNKNOWN, vti6_dev_setup); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 3f2ed9b77deb..20ac8cb87468 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -692,7 +692,7 @@ static struct net_device *ip6mr_reg_vif(struct net *net, struct mr_table *mrt) char name[IFNAMSIZ]; if (mrt->id == RT6_TABLE_DFLT) - sprintf(name, "pim6reg"); + strscpy(name, "pim6reg", IFNAMSIZ); else sprintf(name, "pim6reg%u", mrt->id); -- 2.53.0