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fix the length argument to a memcpy() to refer to the size of the 

destination, not the size of the pointer.  real bug on 64 bit platforms.
This commit is contained in:
mrg 2011-06-22 04:02:46 +00:00
parent ff721708ed
commit 62f88af12a
1 changed files with 3 additions and 3 deletions
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6
usr.sbin/mrinfo/mrinfo.c
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@ -1,4 +1,4 @@
/* $NetBSD: mrinfo.c,v 1.27 2009/04/17 14:07:45 lukem Exp $ */
/* $NetBSD: mrinfo.c,v 1.28 2011/06/22 04:02:46 mrg Exp $ */
/*
* This tool requests configuration info from a multicast router
@ -80,7 +80,7 @@
static char rcsid[] =
"@(#) Header: mrinfo.c,v 1.6 93/04/08 15:14:16 van Exp (LBL)";
#else
__RCSID("$NetBSD: mrinfo.c,v 1.27 2009/04/17 14:07:45 lukem Exp $");
__RCSID("$NetBSD: mrinfo.c,v 1.28 2011/06/22 04:02:46 mrg Exp $");
#endif
#endif
@ -373,7 +373,7 @@ main(int argc, char *argv[])
hp->h_addr_list[0] = malloc(hp->h_length);
if (hp->h_addr_list[0] == NULL)
logit(LOG_ERR, errno, "malloc");
memcpy(hp->h_addr_list[0], &target_addr, sizeof(hp->h_addr_list[0]));
memcpy(hp->h_addr_list[0], &target_addr, hp->h_length);
hp->h_addr_list[1] = NULL;
} else
hp = gethostbyname(host);