sound fixes for 4.8-rc6
We've got quite a few fixes at this time, and all are stable patches. syzkaller strikes back again (episode 19 or so), and we had to plug some holes in ALSA core part (mostly timer). In addition, a couple of FireWire audio fixes for the invalid copy user calls in locks, and a few quirks for HD-audio and USB-audio as usual are included. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIrBAABCAAVBQJX0u3IDhx0aXdhaUBzdXNlLmRlAAoJEGwxgFQ9KSmk8iYP/1cy t+Ap/5yKOGtdAoQDmB7yzXOh3Z1gbrjpSFx+/kOJnP/muHtJVcHGJkJpyMjshY0J 6qdQi6pq8HJakJWf9alZOcW260RYuXng9JwSt1xlo2z4zFjORNHyLeBA+FTwKQpl g1yyWoAyVHZC02alLe8YpNPQl1W06cHu4Tg3iTeZcMPwUEZ9QknUVCEj26Od61qR M2YK193F0Q32wsI26nyW/fOytE0avWc99ob0kJVC0GadduwkYODuiBDNtkEtur/h lvNPq7tOQVFOTTGdnMMTl1QhK8UDI3IxGnVAXWI3wqRMQolJtmimoJBHq4OXroK/ Nz+XOO4UAn+Tha7Lq+q8H8rjopB+EkaLfU+zq8+GourOh/aaVOL2EkClFA75qrxt w9F1HUMFICEgsn4vyaYxQx6hzL8YVEKXu4hCNpW36XxIc5RAnzEQmZvOp0xLLqfY OiDAnw1ciMKbtTNfgEOCubjN8owZBqrhV5b2ZGXSmpc2cVeKOn9p25FMVGuzqqMA cWMd/TvwU0yna/DxSRXCdRVKDX5RhcfP1qJD4R2YgzFWQHH6jzg8jy0nQ6D2TfIo 6leGUdIiDbQUO/lEezgew3BPB0fg6pzyFGisaU+v8p/Zg8C08Q2w0Pmv8pPT1BJt P1nEjhKWALhXrOBgvIPjpjRA4oXKkJBD92FS0eX+ =Jobo -----END PGP SIGNATURE----- Merge tag 'sound-4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "We've got quite a few fixes at this time, and all are stable patches. syzkaller strikes back again (episode 19 or so), and we had to plug some holes in ALSA core part (mostly timer). In addition, a couple of FireWire audio fixes for the invalid copy user calls in locks, and a few quirks for HD-audio and USB-audio as usual are included" * tag 'sound-4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: rawmidi: Fix possible deadlock with virmidi registration ALSA: timer: Fix zero-division by continue of uninitialized instance ALSA: timer: fix NULL pointer dereference in read()/ioctl() race ALSA: fireworks: accessing to user space outside spinlock ALSA: firewire-tascam: accessing to user space outside spinlock ALSA: hda - Enable subwoofer on Dell Inspiron 7559 ALSA: hda - Add headset mic quirk for Dell Inspiron 5468 ALSA: usb-audio: Add sample rate inquiry quirk for B850V3 CP2114 ALSA: timer: fix NULL pointer dereference on memory allocation failure ALSA: timer: fix division by zero after SNDRV_TIMER_IOCTL_CONTINUE
This commit is contained in:
commit
067c2f472d
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@ -1633,11 +1633,13 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
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return -EBUSY;
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}
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list_add_tail(&rmidi->list, &snd_rawmidi_devices);
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mutex_unlock(®ister_mutex);
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err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI,
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rmidi->card, rmidi->device,
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&snd_rawmidi_f_ops, rmidi, &rmidi->dev);
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if (err < 0) {
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rmidi_err(rmidi, "unable to register\n");
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mutex_lock(®ister_mutex);
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list_del(&rmidi->list);
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mutex_unlock(®ister_mutex);
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return err;
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@ -1645,6 +1647,7 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
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if (rmidi->ops && rmidi->ops->dev_register &&
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(err = rmidi->ops->dev_register(rmidi)) < 0) {
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snd_unregister_device(&rmidi->dev);
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mutex_lock(®ister_mutex);
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list_del(&rmidi->list);
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mutex_unlock(®ister_mutex);
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return err;
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@ -1677,7 +1680,6 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
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}
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}
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#endif /* CONFIG_SND_OSSEMUL */
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mutex_unlock(®ister_mutex);
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sprintf(name, "midi%d", rmidi->device);
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entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);
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if (entry) {
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@ -35,6 +35,9 @@
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#include <sound/initval.h>
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#include <linux/kmod.h>
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/* internal flags */
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#define SNDRV_TIMER_IFLG_PAUSED 0x00010000
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#if IS_ENABLED(CONFIG_SND_HRTIMER)
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#define DEFAULT_TIMER_LIMIT 4
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#else
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@ -294,8 +297,21 @@ int snd_timer_open(struct snd_timer_instance **ti,
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get_device(&timer->card->card_dev);
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timeri->slave_class = tid->dev_sclass;
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timeri->slave_id = slave_id;
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if (list_empty(&timer->open_list_head) && timer->hw.open)
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timer->hw.open(timer);
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if (list_empty(&timer->open_list_head) && timer->hw.open) {
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int err = timer->hw.open(timer);
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if (err) {
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kfree(timeri->owner);
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kfree(timeri);
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if (timer->card)
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put_device(&timer->card->card_dev);
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module_put(timer->module);
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mutex_unlock(®ister_mutex);
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return err;
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}
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}
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list_add_tail(&timeri->open_list, &timer->open_list_head);
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snd_timer_check_master(timeri);
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mutex_unlock(®ister_mutex);
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@ -526,6 +542,10 @@ static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)
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}
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}
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timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
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if (stop)
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timeri->flags &= ~SNDRV_TIMER_IFLG_PAUSED;
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else
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timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;
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snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
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SNDRV_TIMER_EVENT_CONTINUE);
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unlock:
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@ -587,6 +607,10 @@ int snd_timer_stop(struct snd_timer_instance *timeri)
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*/
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int snd_timer_continue(struct snd_timer_instance *timeri)
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{
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/* timer can continue only after pause */
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if (!(timeri->flags & SNDRV_TIMER_IFLG_PAUSED))
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return -EINVAL;
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if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
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return snd_timer_start_slave(timeri, false);
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else
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@ -813,6 +837,7 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
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timer->tmr_subdevice = tid->subdevice;
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if (id)
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strlcpy(timer->id, id, sizeof(timer->id));
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timer->sticks = 1;
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INIT_LIST_HEAD(&timer->device_list);
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INIT_LIST_HEAD(&timer->open_list_head);
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INIT_LIST_HEAD(&timer->active_list_head);
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@ -1817,6 +1842,9 @@ static int snd_timer_user_continue(struct file *file)
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tu = file->private_data;
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if (!tu->timeri)
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return -EBADFD;
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/* start timer instead of continue if it's not used before */
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if (!(tu->timeri->flags & SNDRV_TIMER_IFLG_PAUSED))
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return snd_timer_user_start(file);
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tu->timeri->lost = 0;
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return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0;
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}
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@ -1958,6 +1986,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
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tu->qused--;
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spin_unlock_irq(&tu->qlock);
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mutex_lock(&tu->ioctl_lock);
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if (tu->tread) {
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if (copy_to_user(buffer, &tu->tqueue[qhead],
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sizeof(struct snd_timer_tread)))
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@ -1967,6 +1996,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
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sizeof(struct snd_timer_read)))
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err = -EFAULT;
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}
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mutex_unlock(&tu->ioctl_lock);
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spin_lock_irq(&tu->qlock);
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if (err < 0)
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@ -108,7 +108,6 @@ struct snd_efw {
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u8 *resp_buf;
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u8 *pull_ptr;
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u8 *push_ptr;
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unsigned int resp_queues;
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};
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int snd_efw_transaction_cmd(struct fw_unit *unit,
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@ -25,6 +25,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
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{
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unsigned int length, till_end, type;
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struct snd_efw_transaction *t;
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u8 *pull_ptr;
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long count = 0;
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if (remained < sizeof(type) + sizeof(struct snd_efw_transaction))
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@ -38,8 +39,17 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
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buf += sizeof(type);
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/* write into buffer as many responses as possible */
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while (efw->resp_queues > 0) {
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t = (struct snd_efw_transaction *)(efw->pull_ptr);
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spin_lock_irq(&efw->lock);
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/*
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* When another task reaches here during this task's access to user
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* space, it picks up current position in buffer and can read the same
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* series of responses.
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*/
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pull_ptr = efw->pull_ptr;
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while (efw->push_ptr != pull_ptr) {
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t = (struct snd_efw_transaction *)(pull_ptr);
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length = be32_to_cpu(t->length) * sizeof(__be32);
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/* confirm enough space for this response */
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@ -49,26 +59,39 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
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/* copy from ring buffer to user buffer */
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while (length > 0) {
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till_end = snd_efw_resp_buf_size -
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(unsigned int)(efw->pull_ptr - efw->resp_buf);
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(unsigned int)(pull_ptr - efw->resp_buf);
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till_end = min_t(unsigned int, length, till_end);
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if (copy_to_user(buf, efw->pull_ptr, till_end))
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spin_unlock_irq(&efw->lock);
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if (copy_to_user(buf, pull_ptr, till_end))
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return -EFAULT;
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efw->pull_ptr += till_end;
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if (efw->pull_ptr >= efw->resp_buf +
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snd_efw_resp_buf_size)
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efw->pull_ptr -= snd_efw_resp_buf_size;
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spin_lock_irq(&efw->lock);
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pull_ptr += till_end;
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if (pull_ptr >= efw->resp_buf + snd_efw_resp_buf_size)
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pull_ptr -= snd_efw_resp_buf_size;
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length -= till_end;
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buf += till_end;
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count += till_end;
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remained -= till_end;
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}
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efw->resp_queues--;
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}
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/*
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* All of tasks can read from the buffer nearly simultaneously, but the
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* last position for each task is different depending on the length of
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* given buffer. Here, for simplicity, a position of buffer is set by
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* the latest task. It's better for a listening application to allow one
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* thread to read from the buffer. Unless, each task can read different
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* sequence of responses depending on variation of buffer length.
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*/
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efw->pull_ptr = pull_ptr;
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spin_unlock_irq(&efw->lock);
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return count;
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}
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@ -76,14 +99,17 @@ static long
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hwdep_read_locked(struct snd_efw *efw, char __user *buf, long count,
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loff_t *offset)
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{
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union snd_firewire_event event;
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union snd_firewire_event event = {
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.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS,
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};
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memset(&event, 0, sizeof(event));
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spin_lock_irq(&efw->lock);
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event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
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event.lock_status.status = (efw->dev_lock_count > 0);
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efw->dev_lock_changed = false;
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spin_unlock_irq(&efw->lock);
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count = min_t(long, count, sizeof(event.lock_status));
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if (copy_to_user(buf, &event, count))
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@ -98,10 +124,15 @@ hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
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{
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struct snd_efw *efw = hwdep->private_data;
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DEFINE_WAIT(wait);
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bool dev_lock_changed;
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bool queued;
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spin_lock_irq(&efw->lock);
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while ((!efw->dev_lock_changed) && (efw->resp_queues == 0)) {
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dev_lock_changed = efw->dev_lock_changed;
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queued = efw->push_ptr != efw->pull_ptr;
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while (!dev_lock_changed && !queued) {
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prepare_to_wait(&efw->hwdep_wait, &wait, TASK_INTERRUPTIBLE);
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spin_unlock_irq(&efw->lock);
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schedule();
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@ -109,15 +140,17 @@ hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
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if (signal_pending(current))
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return -ERESTARTSYS;
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spin_lock_irq(&efw->lock);
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dev_lock_changed = efw->dev_lock_changed;
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queued = efw->push_ptr != efw->pull_ptr;
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}
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if (efw->dev_lock_changed)
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count = hwdep_read_locked(efw, buf, count, offset);
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else if (efw->resp_queues > 0)
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count = hwdep_read_resp_buf(efw, buf, count, offset);
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spin_unlock_irq(&efw->lock);
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if (dev_lock_changed)
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count = hwdep_read_locked(efw, buf, count, offset);
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else if (queued)
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count = hwdep_read_resp_buf(efw, buf, count, offset);
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return count;
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}
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|
@ -160,7 +193,7 @@ hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait)
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poll_wait(file, &efw->hwdep_wait, wait);
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spin_lock_irq(&efw->lock);
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if (efw->dev_lock_changed || (efw->resp_queues > 0))
|
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if (efw->dev_lock_changed || efw->pull_ptr != efw->push_ptr)
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events = POLLIN | POLLRDNORM;
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else
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events = 0;
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|
|
|
@ -188,8 +188,8 @@ proc_read_queues_state(struct snd_info_entry *entry,
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else
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||||
consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr);
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||||
|
||||
snd_iprintf(buffer, "%d %d/%d\n",
|
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efw->resp_queues, consumed, snd_efw_resp_buf_size);
|
||||
snd_iprintf(buffer, "%d/%d\n",
|
||||
consumed, snd_efw_resp_buf_size);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
@ -121,11 +121,11 @@ copy_resp_to_buf(struct snd_efw *efw, void *data, size_t length, int *rcode)
|
|||
size_t capacity, till_end;
|
||||
struct snd_efw_transaction *t;
|
||||
|
||||
spin_lock_irq(&efw->lock);
|
||||
|
||||
t = (struct snd_efw_transaction *)data;
|
||||
length = min_t(size_t, be32_to_cpu(t->length) * sizeof(u32), length);
|
||||
|
||||
spin_lock_irq(&efw->lock);
|
||||
|
||||
if (efw->push_ptr < efw->pull_ptr)
|
||||
capacity = (unsigned int)(efw->pull_ptr - efw->push_ptr);
|
||||
else
|
||||
|
@ -155,7 +155,6 @@ copy_resp_to_buf(struct snd_efw *efw, void *data, size_t length, int *rcode)
|
|||
}
|
||||
|
||||
/* for hwdep */
|
||||
efw->resp_queues++;
|
||||
wake_up(&efw->hwdep_wait);
|
||||
|
||||
*rcode = RCODE_COMPLETE;
|
||||
|
|
|
@ -16,31 +16,14 @@
|
|||
|
||||
#include "tascam.h"
|
||||
|
||||
static long hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
|
||||
long count)
|
||||
{
|
||||
union snd_firewire_event event;
|
||||
|
||||
memset(&event, 0, sizeof(event));
|
||||
|
||||
event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
|
||||
event.lock_status.status = (tscm->dev_lock_count > 0);
|
||||
tscm->dev_lock_changed = false;
|
||||
|
||||
count = min_t(long, count, sizeof(event.lock_status));
|
||||
|
||||
if (copy_to_user(buf, &event, count))
|
||||
return -EFAULT;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
|
||||
loff_t *offset)
|
||||
{
|
||||
struct snd_tscm *tscm = hwdep->private_data;
|
||||
DEFINE_WAIT(wait);
|
||||
union snd_firewire_event event;
|
||||
union snd_firewire_event event = {
|
||||
.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS,
|
||||
};
|
||||
|
||||
spin_lock_irq(&tscm->lock);
|
||||
|
||||
|
@ -54,10 +37,16 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
|
|||
spin_lock_irq(&tscm->lock);
|
||||
}
|
||||
|
||||
memset(&event, 0, sizeof(event));
|
||||
count = hwdep_read_locked(tscm, buf, count);
|
||||
event.lock_status.status = (tscm->dev_lock_count > 0);
|
||||
tscm->dev_lock_changed = false;
|
||||
|
||||
spin_unlock_irq(&tscm->lock);
|
||||
|
||||
count = min_t(long, count, sizeof(event.lock_status));
|
||||
|
||||
if (copy_to_user(buf, &event, count))
|
||||
return -EFAULT;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
|
|
|
@ -4855,6 +4855,7 @@ enum {
|
|||
ALC221_FIXUP_HP_FRONT_MIC,
|
||||
ALC292_FIXUP_TPT460,
|
||||
ALC298_FIXUP_SPK_VOLUME,
|
||||
ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER,
|
||||
};
|
||||
|
||||
static const struct hda_fixup alc269_fixups[] = {
|
||||
|
@ -5516,6 +5517,15 @@ static const struct hda_fixup alc269_fixups[] = {
|
|||
.chained = true,
|
||||
.chain_id = ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
|
||||
},
|
||||
[ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER] = {
|
||||
.type = HDA_FIXUP_PINS,
|
||||
.v.pins = (const struct hda_pintbl[]) {
|
||||
{ 0x1b, 0x90170151 },
|
||||
{ }
|
||||
},
|
||||
.chained = true,
|
||||
.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
|
||||
},
|
||||
};
|
||||
|
||||
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
|
||||
|
@ -5560,6 +5570,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
|
|||
SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
|
||||
SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
|
||||
SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13 9350", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
|
||||
SND_PCI_QUIRK(0x1028, 0x0706, "Dell Inspiron 7559", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
|
||||
SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE),
|
||||
SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
|
||||
SND_PCI_QUIRK(0x1028, 0x075d, "Dell AIO", ALC298_FIXUP_SPK_VOLUME),
|
||||
|
@ -5895,6 +5906,10 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
|
|||
{0x12, 0x90a60170},
|
||||
{0x14, 0x90170120},
|
||||
{0x21, 0x02211030}),
|
||||
SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell Inspiron 5468", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
|
||||
{0x12, 0x90a60180},
|
||||
{0x14, 0x90170120},
|
||||
{0x21, 0x02211030}),
|
||||
SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
|
||||
ALC256_STANDARD_PINS),
|
||||
SND_HDA_PIN_QUIRK(0x10ec0280, 0x103c, "HP", ALC280_FIXUP_HP_GPIO4,
|
||||
|
|
|
@ -1141,6 +1141,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
|
|||
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
|
||||
case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
|
||||
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
|
||||
case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
|
||||
case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
|
||||
case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
|
||||
case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */
|
||||
|
|
Loading…
Reference in a new issue