lkml.org 
[lkml]   [2022]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
Subject[PATCH 12/12] netfilter: conntrack: use correct format characters
From
From: Bill Wendling <isanbard@gmail.com>

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>
---
net/netfilter/nf_conntrack_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index c12a87ebc3ee..1e0424d37abc 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -165,7 +165,7 @@ nf_nat_helper_try_module_get(const char *name, u16 l3num, u8 protonum)
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);
--
2.36.1.255.ge46751e96f-goog
\
 
 \ /
  Last update: 2022-06-10 00:23    [W:0.231 / U:0.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site