diff options
| author | XueBing Chen <chenxuebing@jari.cn> | 2022-07-01 18:55:17 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-04 10:28:00 +0100 |
| commit | 634b215b73073f91523d6a97e547802aa2483ac8 (patch) | |
| tree | d79eac03f535ee88520fceb021db7ecacf397467 | |
| parent | 798661c73672797549ba95a8a3da432d32b67178 (diff) | |
net: ipconfig: use strscpy to replace strlcpy
The strlcpy should not be used because it doesn't limit the source
length. Preferred is strscpy.
Signed-off-by: XueBing Chen <chenxuebing@jari.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/ipconfig.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 9d41d5d5cd1e..f53a0f2453af 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -1759,15 +1759,15 @@ static int __init ip_auto_config_setup(char *addrs) case 4: if ((dp = strchr(ip, '.'))) { *dp++ = '\0'; - strlcpy(utsname()->domainname, dp, + strscpy(utsname()->domainname, dp, sizeof(utsname()->domainname)); } - strlcpy(utsname()->nodename, ip, + strscpy(utsname()->nodename, ip, sizeof(utsname()->nodename)); ic_host_name_set = 1; break; case 5: - strlcpy(user_dev_name, ip, sizeof(user_dev_name)); + strscpy(user_dev_name, ip, sizeof(user_dev_name)); break; case 6: if (ic_proto_name(ip) == 0 && @@ -1814,7 +1814,7 @@ __setup("nfsaddrs=", nfsaddrs_config_setup); static int __init vendor_class_identifier_setup(char *addrs) { - if (strlcpy(vendor_class_identifier, addrs, + if (strscpy(vendor_class_identifier, addrs, sizeof(vendor_class_identifier)) >= sizeof(vendor_class_identifier)) pr_warn("DHCP: vendorclass too long, truncated to \"%s\"\n", |