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Don't truncate mo_descr output and protect against missing terminating NUL.

This commit is contained in:
mlelstv 2024-02-24 09:53:26 +00:00
parent 2b4939ce9d
commit 06daec5d6e
1 changed files with 4 additions and 4 deletions
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8
usr.bin/netstat/mbuf.c
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@ -1,4 +1,4 @@
/* $NetBSD: mbuf.c,v 1.35 2022/09/01 10:10:20 msaitoh Exp $ */
/* $NetBSD: mbuf.c,v 1.36 2024/02/24 09:53:26 mlelstv Exp $ */
/*
* Copyright (c) 1983, 1988, 1993
@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "from: @(#)mbuf.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: mbuf.c,v 1.35 2022/09/01 10:10:20 msaitoh Exp $");
__RCSID("$NetBSD: mbuf.c,v 1.36 2024/02/24 09:53:26 mlelstv Exp $");
#endif
#endif /* not lint */
@ -225,7 +225,7 @@ dump_drain:
for (mo = (void *) data, lines = 0; len >= sizeof(*mo);
len -= sizeof(*mo), mo++) {
char buf[32];
char buf[34];
if (vflag == 1 &&
mo->mo_counter[MOWNER_COUNTER_CLAIMS] == 0 &&
mo->mo_counter[MOWNER_COUNTER_EXT_CLAIMS] == 0 &&
@ -239,7 +239,7 @@ dump_drain:
mo->mo_counter[MOWNER_COUNTER_CLUSTER_CLAIMS] ==
mo->mo_counter[MOWNER_COUNTER_CLUSTER_RELEASES])
continue;
snprintf(buf, sizeof(buf), "%16.16s %-13s",
snprintf(buf, sizeof(buf), "%16.16s %-13.16s",
mo->mo_name, mo->mo_descr);
if ((lines % 24) == 0 || lines > 24) {
printf("%30s %-8s %10s %10s %10s\n",