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sound fixes for 4.15-rc1

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All commits found here are small fixes for regression or stable:
 - PCM timestamp behavior fix that could be seen as a regression
 - Remove spurious WARN_ON() from ALSA timer 32bit compat ioctl
 - HD-audio HDMI/DP channel mapping fix for 32bit archs
 - Fix the previous fix for HD-audio initialization code
 - More hardening USB-audio against malicious USB descriptors
 - HD-audio quirks/fixes (Realtek codec, AMD controller)
 - Missing help text for the recent Intel SST kconfig change
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Merge tag 'sound-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "All commits found here are small fixes for regression or stable:

   - PCM timestamp behavior fix that could be seen as a regression

   - Remove spurious WARN_ON() from ALSA timer 32bit compat ioctl

   - HD-audio HDMI/DP channel mapping fix for 32bit archs

   - Fix the previous fix for HD-audio initialization code

   - More hardening USB-audio against malicious USB descriptors

   - HD-audio quirks/fixes (Realtek codec, AMD controller)

   - Missing help text for the recent Intel SST kconfig change"

* tag 'sound-fix-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda: Add Raven PCI ID
  ALSA: hda/realtek - Fix ALC700 family no sound issue
  ALSA: hda - Fix yet remaining issue with vmaster 0dB initialization
  ALSA: usb-audio: Add sanity checks in v2 clock parsers
  ALSA: usb-audio: Fix potential zero-division at parsing FU
  ALSA: usb-audio: Fix potential out-of-bound access at parsing SU
  ALSA: usb-audio: Add sanity checks to FE parser
  ALSA: timer: Remove kernel warning at compat ioctl error paths
  ALSA: pcm: update tstamp only if audio_tstamp changed
  ALSA: hda/realtek: Add headset mic support for Intel NUC Skull Canyon
  ALSA: hda: Fix too short HDMI/DP chmap reporting
  ALSA: usb-audio: uac1: Invalidate ctl on interrupt
  ALSA: hda/realtek - Fix ALC275 no sound issue
  ASoC: Intel: Add help text for SND_SOC_INTEL_SST_TOPLEVEL
This commit is contained in:
Linus Torvalds 2017-11-23 21:09:41 -10:00
commit b64f26c62d
11 changed files with 69 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

9
sound/usb/clock.c
View file

@ -43,7 +43,7 @@ static struct uac_clock_source_descriptor *
while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
ctrl_iface->extralen,
cs, UAC2_CLOCK_SOURCE))) {
if (cs->bClockID == clock_id)
if (cs->bLength >= sizeof(*cs) && cs->bClockID == clock_id)
return cs;
}
@ -59,8 +59,11 @@ static struct uac_clock_selector_descriptor *
while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
ctrl_iface->extralen,
cs, UAC2_CLOCK_SELECTOR))) {
if (cs->bClockID == clock_id)
if (cs->bLength >= sizeof(*cs) && cs->bClockID == clock_id) {
if (cs->bLength < 5 + cs->bNrInPins)
return NULL;
return cs;
}
}
return NULL;
@ -75,7 +78,7 @@ static struct uac_clock_multiplier_descriptor *
while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
ctrl_iface->extralen,
cs, UAC2_CLOCK_MULTIPLIER))) {
if (cs->bClockID == clock_id)
if (cs->bLength >= sizeof(*cs) && cs->bClockID == clock_id)
return cs;
}

26
sound/usb/mixer.c
View file

@ -1469,10 +1469,16 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
__u8 *bmaControls;
if (state->mixer->protocol == UAC_VERSION_1) {
if (hdr->bLength < 7) {
usb_audio_err(state->chip,
"unit %u: invalid UAC_FEATURE_UNIT descriptor\n",
unitid);
return -EINVAL;
}
csize = hdr->bControlSize;
if (!csize) {
if (csize <= 1) {
usb_audio_dbg(state->chip,
"unit %u: invalid bControlSize == 0\n",
"unit %u: invalid bControlSize <= 1\n",
unitid);
return -EINVAL;
}
@ -1486,6 +1492,12 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
}
} else {
struct uac2_feature_unit_descriptor *ftr = _ftr;
if (hdr->bLength < 6) {
usb_audio_err(state->chip,
"unit %u: invalid UAC_FEATURE_UNIT descriptor\n",
unitid);
return -EINVAL;
}
csize = 4;
channels = (hdr->bLength - 6) / 4 - 1;
bmaControls = ftr->bmaControls;
@ -2086,7 +2098,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid,
const struct usbmix_name_map *map;
char **namelist;
if (!desc->bNrInPins || desc->bLength < 5 + desc->bNrInPins) {
if (desc->bLength < 5 || !desc->bNrInPins ||
desc->bLength < 5 + desc->bNrInPins) {
usb_audio_err(state->chip,
"invalid SELECTOR UNIT descriptor %d\n", unitid);
return -EINVAL;
@ -2330,9 +2343,14 @@ void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid)
{
struct usb_mixer_elem_list *list;
for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem)
for (list = mixer->id_elems[unitid]; list; list = list->next_id_elem) {
struct usb_mixer_elem_info *info =
(struct usb_mixer_elem_info *)list;
/* invalidate cache, so the value is read from the device */
info->cached = 0;
snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
&list->kctl->id);
}
}
static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer,