Avoid segfault with vasprintf("%s", NULL). http://seclists.org/nmap-dev/2016/q1/4

2025-12-21 15:09:02 +00:00 · 2016-01-04 21:44:47 +00:00
parent ee048d5349
commit 7300cde374
1 changed files with 2 additions and 0 deletions
--- a/nbase/snprintf.c
+++ b/nbase/snprintf.c
@@ -242,6 +242,8 @@ append_string (struct state *state,
               int prec,
               int flags)
 {
+  if(!arg)
+    arg = (unsigned char *) "(nall)";
  if(prec != -1)
    width -= prec;
  else