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From: Ed Maste <emaste@FreeBSD.org>
Date: Wed, 3 Jan 2018 19:28:13 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r327529 - head/sys/dev/ath
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Author: emaste
Date: Wed Jan  3 19:28:13 2018
New Revision: 327529
URL: https://svnweb.freebsd.org/changeset/base/327529

Log:
  ath: fix possible memory disclosure in ioctl handler
  
  Submitted by:	Domagoj Stolfa <domagoj.stolfa@gmail.com>
  MFC after:	1 week

Modified:
  head/sys/dev/ath/if_ath_ioctl.c

Modified: head/sys/dev/ath/if_ath_ioctl.c
==============================================================================
--- head/sys/dev/ath/if_ath_ioctl.c	Wed Jan  3 19:24:57 2018	(r327528)
+++ head/sys/dev/ath/if_ath_ioctl.c	Wed Jan  3 19:28:13 2018	(r327529)
@@ -197,7 +197,7 @@ 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;