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PR/54062: Using random garbage in the mmsghdr (in this case 0xa5's from 

jemalloc debug) makes the syscall unhappy. Zero out the memory instead...
This commit is contained in:
christos 2019-03-16 21:46:43 +00:00
parent 970d451508
commit 97775c96b8
1 changed files with 5 additions and 5 deletions
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10
tests/lib/libc/sys/t_sendmmsg.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_sendmmsg.c,v 1.2 2018/10/16 09:23:29 roy Exp $ */
/* $NetBSD: t_sendmmsg.c,v 1.3 2019/03/16 21:46:43 christos Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_sendmmsg.c,v 1.2 2018/10/16 09:23:29 roy Exp $");
__RCSID("$NetBSD: t_sendmmsg.c,v 1.3 2019/03/16 21:46:43 christos Exp $");
#include <atf-c.h>
#include <sys/types.h>
@ -101,7 +101,7 @@ ATF_TC_BODY(sendmmsg_basic, tc)
// setsock(fd[0], SO_RCVBUF);
mmsgcnt = BUFSIZE / sizeof(DGRAM);
mmsghdr = malloc(sizeof(*mmsghdr) * mmsgcnt);
mmsghdr = calloc(mmsgcnt, sizeof(*mmsghdr));
ATF_REQUIRE_MSG(mmsghdr != NULL, "malloc failed (%s)", strerror(errno));
iov = malloc(sizeof(*iov) * mmsgcnt);
ATF_REQUIRE_MSG(iov != NULL, "malloc failed (%s)", strerror(errno));
@ -162,8 +162,8 @@ ATF_TC_BODY(sendmmsg_basic, tc)
sched_yield();
continue;
}
ATF_REQUIRE_MSG(cnt != -1, "sendmmsg failed (%s)",
strerror(errno));
ATF_REQUIRE_MSG(cnt != -1, "sendmmsg %u failed (%s)",
n, strerror(errno));
if (debug)
printf("sendmmsg: sent %u messages\n", cnt);
n += cnt;