* FAILED: patch "[PATCH] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM" failed to apply to 5.10-stable tree
@ 2022-04-02 11:32 gregkh
2022-04-02 11:45 ` Ammar Faizi
0 siblings, 1 reply; 2+ messages in thread
From: gregkh @ 2022-04-02 11:32 UTC (permalink / raw)
To: ammarfaizi2, broonie, daniel.baluta, kai.vehmanen, lgirdwood,
perex, peter.ujfalusi, pierre-louis.bossart, rander.wang,
ranjani.sridharan, tiwai, yang.jie
Cc: stable
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9 Mon Sep 17 00:00:00 2001
From: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Date: Fri, 25 Feb 2022 01:58:36 +0700
Subject: [PATCH] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM
Do not call snd_dma_free_pages() when snd_dma_alloc_pages() returns
-ENOMEM because it leads to a NULL pointer dereference bug.
The dmesg says:
[ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: memory alloc failed: -12
[ T1387] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ T1387] #PF: supervisor read access in kernel mode
[ T1387] #PF: error_code(0x0000) - not-present page
[ T1387] PGD 0 P4D 0
[ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: G W 5.17.0-rc4-superb-owl-00055-g80d47f5de5e3
[ T1387] Hardware name: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 09/15/2021
[ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80
[ T1387] Code: [... snip ...]
[ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246
[ T1387] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0
[ T1387] RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000
[ T1387] R10: 0000000000000000 R11: ffffc90002b874d0 R12: 0000000000000001
[ T1387] R13: 0000000000058000 R14: ffff888105260c68 R15: ffff888105260828
[ T1387] FS: 00007f42e2ffd640(0000) GS:ffff888466b80000(0000) knlGS:0000000000000000
[ T1387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ T1387] CR2: 0000000000000000 CR3: 000000014acf0003 CR4: 0000000000770ee0
[ T1387] PKRU: 55555554
[ T1387] Call Trace:
[ T1387] <TASK>
[ T1387] cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1]
[... snip ...]
[ T1387] </TASK>
Cc: Daniel Baluta <daniel.baluta@nxp.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: Keyon Jie <yang.jie@linux.intel.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rander Wang <rander.wang@intel.com>
Cc: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: sound-open-firmware@alsa-project.org
Cc: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # v5.2+
Fixes: d16046ffa6de040bf580a64d5f4d0aa18258a854 ("ASoC: SOF: Intel: Add Intel specific HDA firmware loader")
Link: https://lore.kernel.org/lkml/20220224145124.15985-1-ammarfaizi2@gnuweeb.org/ # v1
Link: https://lore.kernel.org/lkml/20220224180850.34592-1-ammarfaizi2@gnuweeb.org/ # v2
Link: https://lore.kernel.org/lkml/20220224182818.40301-1-ammarfaizi2@gnuweeb.org/ # v3
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Link: https://lore.kernel.org/r/20220224185836.44907-1-ammarfaizi2@gnuweeb.org
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c
index 33306d2023a7..9bbfdab8009d 100644
--- a/sound/soc/sof/intel/hda-loader.c
+++ b/sound/soc/sof/intel/hda-loader.c
@@ -47,7 +47,7 @@ static struct hdac_ext_stream *cl_stream_prepare(struct snd_sof_dev *sdev, unsig
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, &pci->dev, size, dmab);
if (ret < 0) {
dev_err(sdev->dev, "error: memory alloc failed: %d\n", ret);
- goto error;
+ goto out_put;
}
hstream->period_bytes = 0;/* initialize period_bytes */
@@ -58,22 +58,23 @@ static struct hdac_ext_stream *cl_stream_prepare(struct snd_sof_dev *sdev, unsig
ret = hda_dsp_iccmax_stream_hw_params(sdev, dsp_stream, dmab, NULL);
if (ret < 0) {
dev_err(sdev->dev, "error: iccmax stream prepare failed: %d\n", ret);
- goto error;
+ goto out_free;
}
} else {
ret = hda_dsp_stream_hw_params(sdev, dsp_stream, dmab, NULL);
if (ret < 0) {
dev_err(sdev->dev, "error: hdac prepare failed: %d\n", ret);
- goto error;
+ goto out_free;
}
hda_dsp_stream_spib_config(sdev, dsp_stream, HDA_DSP_SPIB_ENABLE, size);
}
return dsp_stream;
-error:
- hda_dsp_stream_put(sdev, direction, hstream->stream_tag);
+out_free:
snd_dma_free_pages(dmab);
+out_put:
+ hda_dsp_stream_put(sdev, direction, hstream->stream_tag);
return ERR_PTR(ret);
}
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: FAILED: patch "[PATCH] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM" failed to apply to 5.10-stable tree
2022-04-02 11:32 FAILED: patch "[PATCH] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM" failed to apply to 5.10-stable tree gregkh
@ 2022-04-02 11:45 ` Ammar Faizi
0 siblings, 0 replies; 2+ messages in thread
From: Ammar Faizi @ 2022-04-02 11:45 UTC (permalink / raw)
To: Greg KH, broonie, daniel.baluta, kai.vehmanen, lgirdwood, perex,
peter.ujfalusi, pierre-louis.bossart, rander.wang,
ranjani.sridharan, tiwai, yang.jie
Cc: stable
On 4/2/22 6:32 PM, Greg KH <gregkh@linuxfoundation.org> wrote:
> The patch below does not apply to the 5.10-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable@vger.kernel.org>.
>
> thanks,
>
> greg k-h
I will submit backport patches (5.4 LTS and 5.10 LTS) for review tomorrow morning.
Thanks!
--
Ammar Faizi
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-04-02 11:45 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-02 11:32 FAILED: patch "[PATCH] ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM" failed to apply to 5.10-stable tree gregkh
2022-04-02 11:45 ` Ammar Faizi
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).