When compiling with -Wformat, clang emits the following warnings:
net/netfilter/nf_conntrack_helper.c:168:18: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security]
request_module(mod_name);
^~~~~~~~
Use a string literal for the format string.
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Bill Wendling <isanbard@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
if (!nat) {
snprintf(mod_name, sizeof(mod_name), "%s", h->nat_mod_name);
rcu_read_unlock();
- request_module(mod_name);
+ request_module("%s", mod_name);
rcu_read_lock();
nat = nf_conntrack_nat_helper_find(mod_name);