Author: ngie
Date: Tue Dec 29 01:09:53 2015
New Revision: 292856
URL: https://svnweb.freebsd.org/changeset/base/292856

Log:
  MFstable/10 r292855:
  
  MFC r292585:
  
  Prevent use-after-free with ctx->ns in set_nameservers(..), which could occur
  if the memory wasn't allocated again later on
  
  Reported by: Coverity
  Submitted by: Miles Ohlrich <miles.ohlr...@isilon.com>
  Sponsored by: EMC / Isilon Storage Division

Modified:
  stable/9/usr.sbin/uhsoctl/uhsoctl.c
Directory Properties:
  stable/9/   (props changed)
  stable/9/usr.sbin/   (props changed)
  stable/9/usr.sbin/uhsoctl/   (props changed)

Modified: stable/9/usr.sbin/uhsoctl/uhsoctl.c
==============================================================================
--- stable/9/usr.sbin/uhsoctl/uhsoctl.c Tue Dec 29 01:08:58 2015        
(r292855)
+++ stable/9/usr.sbin/uhsoctl/uhsoctl.c Tue Dec 29 01:09:53 2015        
(r292856)
@@ -453,6 +453,7 @@ set_nameservers(struct ctx *ctx, const c
                        free(ctx->ns[i]);
                }
                free(ctx->ns);
+               ctx->ns = NULL;
        }
 
        fd = open(respath, O_RDWR | O_CREAT | O_NOFOLLOW);
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