Author: emaste
Date: Mon Apr  9 12:55:09 2018
New Revision: 332321
URL: https://svnweb.freebsd.org/changeset/base/332321

Log:
  MFC r327529: ath: fix possible memory disclosure in ioctl handler
  
  Submitted by: Domagoj Stolfa <domagoj.sto...@gmail.com>

Modified:
  stable/10/sys/dev/ath/if_ath.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/ath/if_ath.c
==============================================================================
--- stable/10/sys/dev/ath/if_ath.c      Mon Apr  9 12:53:15 2018        
(r332320)
+++ stable/10/sys/dev/ath/if_ath.c      Mon Apr  9 12:55:09 2018        
(r332321)
@@ -5910,7 +5910,7 @@ ath_ioctl_diag(struct ath_softc *sc, struct ath_diag *
                 * pointer for us to use below in reclaiming the buffer;
                 * may want to be more defensive.
                 */
-               outdata = malloc(outsize, M_TEMP, M_NOWAIT);
+               outdata = malloc(outsize, M_TEMP, M_NOWAIT | M_ZERO);
                if (outdata == NULL) {
                        error = ENOMEM;
                        goto bad;
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