nixpkgs/pkgs/os-specific/linux/kernel/grsecurity-path-4.4.patch

diff --git a/kernel/kmod.c b/kernel/kmod.c
index a689506..30747b4 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -294,11 +294,8 @@ static int ____call_usermodehelper(void *data)
 	   out the path to be used prior to this point and are now operating
 	   on that copy
 	*/
-	if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/usr/lib/", 9) &&
-	     strncmp(sub_info->path, "/lib/", 5) && strncmp(sub_info->path, "/lib64/", 7) &&
-	     strncmp(sub_info->path, "/usr/libexec/", 13) && strncmp(sub_info->path, "/usr/bin/", 9) &&
-	     strncmp(sub_info->path, "/usr/sbin/", 10) &&
-	     strcmp(sub_info->path, "/usr/share/apport/apport")) || strstr(sub_info->path, "..")) {
+	if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/nix/store/", 11) &&
+	     strncmp(sub_info->path, "/run/current-system/systemd/lib/", 32)) || strstr(sub_info->path, "..")) {
 		printk(KERN_ALERT "grsec: denied exec of usermode helper binary %.950s located outside of permitted system paths\n", sub_info->path);
 		retval = -EPERM;
 		goto out;