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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Mon, 22 Jun 2020 10:52:30 +0000 (UTC)
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Subject: svn commit: r362494 - stable/12/sys/netinet
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Author: bz
Date: Mon Jun 22 10:52:30 2020
New Revision: 362494
URL: https://svnweb.freebsd.org/changeset/base/362494

Log:
  MFC r362472:
  
    Rather than zeroing MAXVIFS times size of pointer [r362289] (still better than
    sizeof pointer before [r354857]), we need to zero MAXVIFS times the size of
    the struct.  All good things come in threes; I hope this is it on this one.
  
  PR:		246629, 206583
  Reported by:	kib

Modified:
  stable/12/sys/netinet/ip_mroute.c

Modified: stable/12/sys/netinet/ip_mroute.c
==============================================================================
--- stable/12/sys/netinet/ip_mroute.c	Mon Jun 22 10:49:50 2020	(r362493)
+++ stable/12/sys/netinet/ip_mroute.c	Mon Jun 22 10:52:30 2020	(r362494)
@@ -739,7 +739,7 @@ X_ip_mrouter_done(void)
 	    if_allmulti(ifp, 0);
 	}
     }
-    bzero((caddr_t)V_viftable, sizeof(V_viftable) * MAXVIFS);
+    bzero((caddr_t)V_viftable, sizeof(*V_viftable) * MAXVIFS);
     V_numvifs = 0;
     V_pim_assert_enabled = 0;