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[src/trunk]: src/usr.bin/rsh more GCC 10 fixes.
details: https://anonhg.NetBSD.org/src/rev/eec27b145957
branches: trunk
changeset: 961617:eec27b145957
user: mrg <mrg%NetBSD.org@localhost>
date: Tue Apr 13 06:25:48 2021 +0000
description:
more GCC 10 fixes.
mDNSResponder: another wrong return local address
dhcp: ignore a seemingly impossible stringop overflow
hpacel: avoid maybe uninitialised error that is wrong.
rsh: avoid impossible malloc(0)
udf: cast pointers through (uintptr_t) to fool invalid boundary checks
diffstat:
external/apache2/mDNSResponder/usr.sbin/mdnsd/Makefile | 4 +++-
external/mpl/dhcp/bin/server/Makefile | 3 ++-
sbin/newfs_udf/udf_create.c | 10 +++++-----
sys/fs/udf/udf_subr.c | 11 ++++++-----
sys/modules/hpacel/Makefile | 4 +++-
usr.bin/rsh/rsh.c | 6 ++++--
6 files changed, 23 insertions(+), 15 deletions(-)
diffs (158 lines):
diff -r 8622646eab8e -r eec27b145957 external/apache2/mDNSResponder/usr.sbin/mdnsd/Makefile
--- a/external/apache2/mDNSResponder/usr.sbin/mdnsd/Makefile Tue Apr 13 05:58:45 2021 +0000
+++ b/external/apache2/mDNSResponder/usr.sbin/mdnsd/Makefile Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.13 2020/09/06 07:20:26 mrg Exp $
+# $NetBSD: Makefile,v 1.14 2021/04/13 06:25:48 mrg Exp $
PROG= mdnsd
@@ -20,4 +20,6 @@
CWARNFLAGS.clang+= -Wno-unused-value -Wno-error=address-of-packed-member
CWARNFLAGS.gcc+= ${GCC_NO_ADDR_OF_PACKED_MEMBER}
+COPTS.DNSCommon.c+= ${GCC_NO_RETURN_LOCAL_ADDR}
+
.include <bsd.prog.mk>
diff -r 8622646eab8e -r eec27b145957 external/mpl/dhcp/bin/server/Makefile
--- a/external/mpl/dhcp/bin/server/Makefile Tue Apr 13 05:58:45 2021 +0000
+++ b/external/mpl/dhcp/bin/server/Makefile Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.6 2020/06/07 23:29:16 fox Exp $
+# $NetBSD: Makefile,v 1.7 2021/04/13 06:25:48 mrg Exp $
.include <bsd.own.mk>
@@ -22,5 +22,6 @@
COPTS.mdb6.c += ${${ACTIVE_CC} == "gcc" && ${HAVE_GCC:U0} == 8:? -Wno-error=format-overflow :}
COPTS.omapi.c += -Wno-stack-protector
COPTS.confpars.c+= ${GCC_NO_STRINGOP_TRUNCATION}
+COPTS.mdb6.c+= ${GCC_NO_STRINGOP_OVERFLOW}
.include <bsd.prog.mk>
diff -r 8622646eab8e -r eec27b145957 sbin/newfs_udf/udf_create.c
--- a/sbin/newfs_udf/udf_create.c Tue Apr 13 05:58:45 2021 +0000
+++ b/sbin/newfs_udf/udf_create.c Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: udf_create.c,v 1.28 2020/05/14 08:34:18 msaitoh Exp $ */
+/* $NetBSD: udf_create.c,v 1.29 2021/04/13 06:25:48 mrg Exp $ */
/*
* Copyright (c) 2006, 2008 Reinoud Zandijk
@@ -30,7 +30,7 @@
#endif
#include <sys/cdefs.h>
-__RCSID("$NetBSD: udf_create.c,v 1.28 2020/05/14 08:34:18 msaitoh Exp $");
+__RCSID("$NetBSD: udf_create.c,v 1.29 2021/04/13 06:25:48 mrg Exp $");
#include <stdio.h>
#include <stdlib.h>
@@ -2025,7 +2025,7 @@
uint64_t inf_len, obj_size, logblks_rec;
uint32_t l_ad, l_ea;
uint16_t crclen;
- uint8_t *bpos;
+ uintptr_t bpos;
inf_len = udf_rw64(efe->inf_len);
obj_size = udf_rw64(efe->obj_size);
@@ -2039,8 +2039,8 @@
icb->flags = udf_rw16(UDF_ICB_SHORT_ALLOC);
/* append short_ad */
- bpos = (uint8_t *) efe->data + l_ea + l_ad;
- memcpy(bpos, mapping, sizeof(struct short_ad));
+ bpos = (uintptr_t)efe->data + l_ea + l_ad;
+ memcpy((void *)bpos, mapping, sizeof(struct short_ad));
l_ad += sizeof(struct short_ad);
crclen += sizeof(struct short_ad);
diff -r 8622646eab8e -r eec27b145957 sys/fs/udf/udf_subr.c
--- a/sys/fs/udf/udf_subr.c Tue Apr 13 05:58:45 2021 +0000
+++ b/sys/fs/udf/udf_subr.c Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: udf_subr.c,v 1.152 2021/01/11 22:02:28 skrll Exp $ */
+/* $NetBSD: udf_subr.c,v 1.153 2021/04/13 06:25:49 mrg Exp $ */
/*
* Copyright (c) 2006, 2008 Reinoud Zandijk
@@ -29,7 +29,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__KERNEL_RCSID(0, "$NetBSD: udf_subr.c,v 1.152 2021/01/11 22:02:28 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: udf_subr.c,v 1.153 2021/04/13 06:25:49 mrg Exp $");
#endif /* not lint */
@@ -2664,7 +2664,8 @@
const char *extstr = "*UDF VAT LVExtension";
uint64_t vat_uniqueid;
uint32_t offset, a_l;
- uint8_t *ea_start, *lvextpos;
+ uint8_t *ea_start;
+ uintptr_t lvextpos;
int error;
/* get mountpoint and lvinfo */
@@ -2700,14 +2701,14 @@
* copy first to avoid panics on some machines (!!)
*/
DPRINTF(VOLUMES, ("Updating VAT LVExtension attr\n"));
- lvextpos = implext->data + udf_rw32(implext->iu_l);
+ lvextpos = (uintptr_t)implext->data + udf_rw32(implext->iu_l);
lvext.unique_id_chk = vat_uniqueid;
lvext.num_files = lvinfo->num_files;
lvext.num_directories = lvinfo->num_directories;
memmove(lvext.logvol_id, ump->logical_vol->logvol_id, 128);
- memcpy(lvextpos, &lvext, sizeof(lvext));
+ memcpy((void *)lvextpos, &lvext, sizeof(lvext));
return 0;
}
diff -r 8622646eab8e -r eec27b145957 sys/modules/hpacel/Makefile
--- a/sys/modules/hpacel/Makefile Tue Apr 13 05:58:45 2021 +0000
+++ b/sys/modules/hpacel/Makefile Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.2 2019/02/17 04:05:50 rin Exp $
+# $NetBSD: Makefile,v 1.3 2021/04/13 06:25:49 mrg Exp $
.include "../Makefile.inc"
@@ -8,4 +8,6 @@
IOCONF= hpacel.ioconf
SRCS= hpacel_acpi.c
+COPTS.hpacel_acpi.c+= ${GCC_NO_MAYBE_UNINITIALIZED}
+
.include <bsd.kmodule.mk>
diff -r 8622646eab8e -r eec27b145957 usr.bin/rsh/rsh.c
--- a/usr.bin/rsh/rsh.c Tue Apr 13 05:58:45 2021 +0000
+++ b/usr.bin/rsh/rsh.c Tue Apr 13 06:25:48 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rsh.c,v 1.38 2014/11/26 23:44:21 enami Exp $ */
+/* $NetBSD: rsh.c,v 1.39 2021/04/13 06:25:49 mrg Exp $ */
/*-
* Copyright (c) 1983, 1990, 1993, 1994
@@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)rsh.c 8.4 (Berkeley) 4/29/95";
#else
-__RCSID("$NetBSD: rsh.c,v 1.38 2014/11/26 23:44:21 enami Exp $");
+__RCSID("$NetBSD: rsh.c,v 1.39 2021/04/13 06:25:49 mrg Exp $");
#endif
#endif /* not lint */
@@ -454,6 +454,8 @@
cc = 0;
for (ap = argv; *ap; ++ap)
cc += strlen(*ap) + 1;
+ if (cc == 0)
+ usage();
if (!(args = malloc((u_int)cc)))
err(1, "malloc");
ep = args + cc;
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