From: Takashi Iwai <tiwai@suse.de>
To: Cezary Rojewski <cezary.rojewski@intel.com>
Cc: alsa-devel@alsa-project.org,
pierre-louis.bossart@linux.intel.com, tiwai@suse.com,
hdegoede@redhat.com, broonie@kernel.org,
amadeuszx.slawinski@linux.intel.com
Subject: Re: [PATCH 5/9] ALSA: hda: Skip event processing for unregistered codecs
Date: Sat, 09 Jul 2022 18:47:41 +0200 [thread overview]
Message-ID: <875yk6i66q.wl-tiwai@suse.de> (raw)
In-Reply-To: <20220706120230.427296-6-cezary.rojewski@intel.com>
On Wed, 06 Jul 2022 14:02:26 +0200,
Cezary Rojewski wrote:
>
> When codec is unbound but not yet removed, in the eyes of
> snd_hdac_bus_process_unsol_events() it is still a valid target to
> delegate work to. Such behaviour may lead to use-after-free errors.
> Address by verifying if codec is actually registered.
>
> Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
> ---
> include/sound/hda_codec.h | 1 -
> include/sound/hdaudio.h | 1 +
> sound/hda/hdac_bus.c | 2 +-
> sound/pci/hda/hda_codec.c | 10 +++++-----
> sound/soc/codecs/hda.c | 4 ++--
This patch doesn't apply cleanly because the change in
sound/soc/codecs/hda.c still not included in my tree.
Mark, there's yet one case we need the merge of asoc-next :)
thanks,
Takashi
next prev parent reply other threads:[~2022-07-09 16:48 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-06 12:02 [PATCH 0/9] ALSA: hda: Codec-reload bug fixes and cleanups Cezary Rojewski
2022-07-06 12:02 ` [PATCH 1/9] ALSA: hda: Do not unset preset when cleaning up codec Cezary Rojewski
2022-07-09 16:34 ` Takashi Iwai
2022-07-11 8:25 ` Cezary Rojewski
2022-07-11 14:12 ` Takashi Iwai
2022-07-12 9:42 ` Cezary Rojewski
2022-07-12 10:46 ` Takashi Iwai
2022-07-12 10:58 ` Cezary Rojewski
2022-07-15 14:55 ` Takashi Iwai
2023-01-17 14:45 ` Cezary Rojewski
2023-01-17 14:51 ` Takashi Iwai
2022-07-06 12:02 ` [PATCH 2/9] ALSA: hda: Fix null-ptr-deref when i915 fails and hdmi is denylisted Cezary Rojewski
2022-07-06 12:02 ` [PATCH 3/9] ALSA: hda: Make device usage_count consistent across subsequent probing Cezary Rojewski
2022-07-06 12:02 ` [PATCH 4/9] ALSA: hda: Fix put_device() inconsistency in error path Cezary Rojewski
2022-07-06 12:02 ` [PATCH 5/9] ALSA: hda: Skip event processing for unregistered codecs Cezary Rojewski
2022-07-09 16:47 ` Takashi Iwai [this message]
2022-07-15 14:27 ` Takashi Iwai
2022-07-06 12:02 ` [PATCH 6/9] ALSA: hda: Fix page fault in snd_hda_codec_shutdown() Cezary Rojewski
2022-07-15 18:16 ` Pierre-Louis Bossart
2022-07-15 18:23 ` Takashi Iwai
2022-07-17 10:05 ` Cezary Rojewski
2022-07-06 12:02 ` [PATCH 7/9] ALSA: hda: Reset all SIE bits in INTCTL Cezary Rojewski
2022-07-06 12:02 ` [PATCH 8/9] ALSA: hda: Remove unused macro definition Cezary Rojewski
2022-07-06 12:02 ` [PATCH 9/9] ALSA: hda/realtek: Remove redundant init_hook() in alc_default_init() Cezary Rojewski
2022-07-09 16:46 ` Takashi Iwai
2022-07-11 8:12 ` Cezary Rojewski
2022-07-09 16:50 ` [PATCH 0/9] ALSA: hda: Codec-reload bug fixes and cleanups Takashi Iwai
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