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[src/netbsd-7-0]: src/sys/dev Pull up following revision(s) (requested by nat...



details:   https://anonhg.NetBSD.org/src/rev/02a1fbb7d457
branches:  netbsd-7-0
changeset: 801344:02a1fbb7d457
user:      snj <snj%NetBSD.org@localhost>
date:      Wed Aug 09 06:20:10 2017 +0000

description:
Pull up following revision(s) (requested by nat in ticket #1460):
        sys/dev/auconv.c: revision 1.30 via patch
        sys/dev/ic/ac97.c: revision 1.97 via patch
        sys/dev/pci/azalia_codec.c: revision 1.81 via patch
Mixer device bounds checking.
Analysis by Ilja van Sprundel.

diffstat:

 sys/dev/auconv.c           |   6 +++---
 sys/dev/ic/ac97.c          |   6 +++---
 sys/dev/pci/azalia_codec.c |  16 ++++++++--------
 3 files changed, 14 insertions(+), 14 deletions(-)

diffs (126 lines):

diff -r 65635f583465 -r 02a1fbb7d457 sys/dev/auconv.c
--- a/sys/dev/auconv.c  Wed Jul 26 16:04:26 2017 +0000
+++ b/sys/dev/auconv.c  Wed Aug 09 06:20:10 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: auconv.c,v 1.25 2011/11/23 23:07:31 jmcneill Exp $     */
+/*     $NetBSD: auconv.c,v 1.25.28.1 2017/08/09 06:20:10 snj Exp $     */
 
 /*
  * Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: auconv.c,v 1.25 2011/11/23 23:07:31 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: auconv.c,v 1.25.28.1 2017/08/09 06:20:10 snj Exp $");
 
 #include <sys/types.h>
 #include <sys/audioio.h>
@@ -1162,7 +1162,7 @@
 auconv_query_encoding(const struct audio_encoding_set *encodings,
                      audio_encoding_t *aep)
 {
-       if (aep->index >= encodings->size)
+       if (aep->index < 0 || aep->index >= encodings->size)
                return EINVAL;
        strlcpy(aep->name, encodings->items[aep->index].name,
                MAX_AUDIO_DEV_LEN);
diff -r 65635f583465 -r 02a1fbb7d457 sys/dev/ic/ac97.c
--- a/sys/dev/ic/ac97.c Wed Jul 26 16:04:26 2017 +0000
+++ b/sys/dev/ic/ac97.c Wed Aug 09 06:20:10 2017 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: ac97.c,v 1.95.12.1 2015/07/05 20:37:01 snj Exp $ */
+/*      $NetBSD: ac97.c,v 1.95.12.1.2.1 2017/08/09 06:20:10 snj Exp $ */
 /*     $OpenBSD: ac97.c,v 1.8 2000/07/19 09:01:35 csapuntz Exp $       */
 
 /*
@@ -63,7 +63,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.95.12.1 2015/07/05 20:37:01 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.95.12.1.2.1 2017/08/09 06:20:10 snj Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1677,7 +1677,7 @@
        const char *name;
 
        as = (struct ac97_softc *)codec_if;
-       if (dip->index < as->num_source_info) {
+       if (dip->index >= 0 && dip->index < as->num_source_info) {
                si = &as->source_info[dip->index];
                dip->type = si->type;
                dip->mixer_class = si->mixer_class;
diff -r 65635f583465 -r 02a1fbb7d457 sys/dev/pci/azalia_codec.c
--- a/sys/dev/pci/azalia_codec.c        Wed Jul 26 16:04:26 2017 +0000
+++ b/sys/dev/pci/azalia_codec.c        Wed Aug 09 06:20:10 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: azalia_codec.c,v 1.79 2011/11/23 23:07:35 jmcneill Exp $       */
+/*     $NetBSD: azalia_codec.c,v 1.79.28.1 2017/08/09 06:20:10 snj Exp $       */
 
 /*-
  * Copyright (c) 2005, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: azalia_codec.c,v 1.79 2011/11/23 23:07:35 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: azalia_codec.c,v 1.79.28.1 2017/08/09 06:20:10 snj Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -2074,7 +2074,7 @@
 {
        const mixer_item_t *m;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        if (mc->type != m->devinfo.type)
@@ -2089,7 +2089,7 @@
 {
        const mixer_item_t *m;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        mc->type = m->devinfo.type;
@@ -2328,7 +2328,7 @@
        uint32_t value;
        int err;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        if (mc->type != m->devinfo.type)
@@ -2386,7 +2386,7 @@
 {
        const mixer_item_t *m;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        mc->type = m->devinfo.type;
@@ -2895,7 +2895,7 @@
        uint32_t mask, bit;
        int i, err;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        if (mc->type != m->devinfo.type)
@@ -2929,7 +2929,7 @@
        uint32_t mask, bit, result;
        int i, err;
 
-       if (mc->dev >= this->nmixers)
+       if (mc->dev < 0 || mc->dev >= this->nmixers)
                return ENXIO;
        m = &this->mixers[mc->dev];
        mc->type = m->devinfo.type;



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