MT#55283 ensure null termination

Change-Id: I15c8d0bf2b30236888131aa51a7b4b2f2641c339 (cherry picked from commit c4603dc3f3)
4 weeks ago · 58ce39eebc
parent a12c5210b3
commit 58ce39eebc
1 changed files with 2 additions and 0 deletions
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@ -2783,6 +2783,8 @@ static ssize_t proc_main_control_write(struct file *file, const char __user *buf
 	if (copy_from_user(&b, buf, buflen))
 		return -EFAULT;

+	b[buflen] = '\0';
+
 	if (!strncmp(b, "add ", 4)) {
 		id = simple_strtoul(b + 4, &endp, 10);
 		if (endp == b + 4)