added NULL check

1 files changed, 4 insertions, 2 deletions

diff --git a/src/afl-common.c b/src/afl-common.c
index c023789b..367dec72 100644
--- a/src/afl-common.c
+++ b/src/afl-common.c
@@ -145,7 +145,8 @@ char **get_qemu_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
   char **new_argv = ck_alloc(sizeof(char *) * (argc + 4));
   u8 *   tmp, *cp = NULL, *rsl, *own_copy;
 
-  memcpy(new_argv + 3, argv + 1, (int)(sizeof(char *)) * argc);
+  memcpy(&new_argv[3], &argv[1], (int)(sizeof(char *)) * (argc - 1));
+  new_argv[argc - 1] = NULL;
 
   new_argv[2] = *target_path_p;
   new_argv[1] = "--";
@@ -226,7 +227,8 @@ char **get_wine_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
   char **new_argv = ck_alloc(sizeof(char *) * (argc + 3));
   u8 *   tmp, *cp = NULL, *rsl, *own_copy;
 
-  memcpy(new_argv + 2, argv + 1, (int)(sizeof(char *)) * argc);
+  memcpy(&new_argv[2], &argv[1], (int)(sizeof(char *)) * (argc - 1));
+  new_argv[argc - 1] = NULL;
 
   new_argv[1] = *target_path_p;