ASoC: Fixes for v6.10

A few fairly small fixes for ASoC, there's a relatively large set of
 hardening changes for the cs_dsp firmware file parsing and a couple of
 other small device specific fixes.
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Merge tag 'asoc-fix-v6.10-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.10

A few fairly small fixes for ASoC, there's a relatively large set of
hardening changes for the cs_dsp firmware file parsing and a couple of
other small device specific fixes.
This commit is contained in:
Takashi Iwai 2024-07-11 17:11:50 +02:00
commit f19e1027f6
4 changed files with 178 additions and 73 deletions

View File

@ -1107,9 +1107,16 @@ struct cs_dsp_coeff_parsed_coeff {
int len;
};
static int cs_dsp_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
static int cs_dsp_coeff_parse_string(int bytes, const u8 **pos, unsigned int avail,
const u8 **str)
{
int length;
int length, total_field_len;
/* String fields are at least one __le32 */
if (sizeof(__le32) > avail) {
*pos = NULL;
return 0;
}
switch (bytes) {
case 1:
@ -1122,10 +1129,16 @@ static int cs_dsp_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
return 0;
}
total_field_len = ((length + bytes) + 3) & ~0x03;
if ((unsigned int)total_field_len > avail) {
*pos = NULL;
return 0;
}
if (str)
*str = *pos + bytes;
*pos += ((length + bytes) + 3) & ~0x03;
*pos += total_field_len;
return length;
}
@ -1150,71 +1163,134 @@ static int cs_dsp_coeff_parse_int(int bytes, const u8 **pos)
return val;
}
static inline void cs_dsp_coeff_parse_alg(struct cs_dsp *dsp, const u8 **data,
struct cs_dsp_coeff_parsed_alg *blk)
static int cs_dsp_coeff_parse_alg(struct cs_dsp *dsp,
const struct wmfw_region *region,
struct cs_dsp_coeff_parsed_alg *blk)
{
const struct wmfw_adsp_alg_data *raw;
unsigned int data_len = le32_to_cpu(region->len);
unsigned int pos;
const u8 *tmp;
raw = (const struct wmfw_adsp_alg_data *)region->data;
switch (dsp->fw_ver) {
case 0:
case 1:
raw = (const struct wmfw_adsp_alg_data *)*data;
*data = raw->data;
if (sizeof(*raw) > data_len)
return -EOVERFLOW;
blk->id = le32_to_cpu(raw->id);
blk->name = raw->name;
blk->name_len = strlen(raw->name);
blk->name_len = strnlen(raw->name, ARRAY_SIZE(raw->name));
blk->ncoeff = le32_to_cpu(raw->ncoeff);
pos = sizeof(*raw);
break;
default:
blk->id = cs_dsp_coeff_parse_int(sizeof(raw->id), data);
blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), data,
if (sizeof(raw->id) > data_len)
return -EOVERFLOW;
tmp = region->data;
blk->id = cs_dsp_coeff_parse_int(sizeof(raw->id), &tmp);
pos = tmp - region->data;
tmp = &region->data[pos];
blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), &tmp, data_len - pos,
&blk->name);
cs_dsp_coeff_parse_string(sizeof(u16), data, NULL);
blk->ncoeff = cs_dsp_coeff_parse_int(sizeof(raw->ncoeff), data);
if (!tmp)
return -EOVERFLOW;
pos = tmp - region->data;
cs_dsp_coeff_parse_string(sizeof(u16), &tmp, data_len - pos, NULL);
if (!tmp)
return -EOVERFLOW;
pos = tmp - region->data;
if (sizeof(raw->ncoeff) > (data_len - pos))
return -EOVERFLOW;
blk->ncoeff = cs_dsp_coeff_parse_int(sizeof(raw->ncoeff), &tmp);
pos += sizeof(raw->ncoeff);
break;
}
if ((int)blk->ncoeff < 0)
return -EOVERFLOW;
cs_dsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id);
cs_dsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name);
cs_dsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff);
return pos;
}
static inline void cs_dsp_coeff_parse_coeff(struct cs_dsp *dsp, const u8 **data,
struct cs_dsp_coeff_parsed_coeff *blk)
static int cs_dsp_coeff_parse_coeff(struct cs_dsp *dsp,
const struct wmfw_region *region,
unsigned int pos,
struct cs_dsp_coeff_parsed_coeff *blk)
{
const struct wmfw_adsp_coeff_data *raw;
unsigned int data_len = le32_to_cpu(region->len);
unsigned int blk_len, blk_end_pos;
const u8 *tmp;
int length;
raw = (const struct wmfw_adsp_coeff_data *)&region->data[pos];
if (sizeof(raw->hdr) > (data_len - pos))
return -EOVERFLOW;
blk_len = le32_to_cpu(raw->hdr.size);
if (blk_len > S32_MAX)
return -EOVERFLOW;
if (blk_len > (data_len - pos - sizeof(raw->hdr)))
return -EOVERFLOW;
blk_end_pos = pos + sizeof(raw->hdr) + blk_len;
blk->offset = le16_to_cpu(raw->hdr.offset);
blk->mem_type = le16_to_cpu(raw->hdr.type);
switch (dsp->fw_ver) {
case 0:
case 1:
raw = (const struct wmfw_adsp_coeff_data *)*data;
*data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size);
if (sizeof(*raw) > (data_len - pos))
return -EOVERFLOW;
blk->offset = le16_to_cpu(raw->hdr.offset);
blk->mem_type = le16_to_cpu(raw->hdr.type);
blk->name = raw->name;
blk->name_len = strlen(raw->name);
blk->name_len = strnlen(raw->name, ARRAY_SIZE(raw->name));
blk->ctl_type = le16_to_cpu(raw->ctl_type);
blk->flags = le16_to_cpu(raw->flags);
blk->len = le32_to_cpu(raw->len);
break;
default:
tmp = *data;
blk->offset = cs_dsp_coeff_parse_int(sizeof(raw->hdr.offset), &tmp);
blk->mem_type = cs_dsp_coeff_parse_int(sizeof(raw->hdr.type), &tmp);
length = cs_dsp_coeff_parse_int(sizeof(raw->hdr.size), &tmp);
blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), &tmp,
pos += sizeof(raw->hdr);
tmp = &region->data[pos];
blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), &tmp, data_len - pos,
&blk->name);
cs_dsp_coeff_parse_string(sizeof(u8), &tmp, NULL);
cs_dsp_coeff_parse_string(sizeof(u16), &tmp, NULL);
blk->ctl_type = cs_dsp_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
blk->flags = cs_dsp_coeff_parse_int(sizeof(raw->flags), &tmp);
blk->len = cs_dsp_coeff_parse_int(sizeof(raw->len), &tmp);
if (!tmp)
return -EOVERFLOW;
*data = *data + sizeof(raw->hdr) + length;
pos = tmp - region->data;
cs_dsp_coeff_parse_string(sizeof(u8), &tmp, data_len - pos, NULL);
if (!tmp)
return -EOVERFLOW;
pos = tmp - region->data;
cs_dsp_coeff_parse_string(sizeof(u16), &tmp, data_len - pos, NULL);
if (!tmp)
return -EOVERFLOW;
pos = tmp - region->data;
if (sizeof(raw->ctl_type) + sizeof(raw->flags) + sizeof(raw->len) >
(data_len - pos))
return -EOVERFLOW;
blk->ctl_type = cs_dsp_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
pos += sizeof(raw->ctl_type);
blk->flags = cs_dsp_coeff_parse_int(sizeof(raw->flags), &tmp);
pos += sizeof(raw->flags);
blk->len = cs_dsp_coeff_parse_int(sizeof(raw->len), &tmp);
break;
}
@ -1224,6 +1300,8 @@ static inline void cs_dsp_coeff_parse_coeff(struct cs_dsp *dsp, const u8 **data,
cs_dsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags);
cs_dsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type);
cs_dsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len);
return blk_end_pos;
}
static int cs_dsp_check_coeff_flags(struct cs_dsp *dsp,
@ -1247,12 +1325,16 @@ static int cs_dsp_parse_coeff(struct cs_dsp *dsp,
struct cs_dsp_alg_region alg_region = {};
struct cs_dsp_coeff_parsed_alg alg_blk;
struct cs_dsp_coeff_parsed_coeff coeff_blk;
const u8 *data = region->data;
int i, ret;
int i, pos, ret;
pos = cs_dsp_coeff_parse_alg(dsp, region, &alg_blk);
if (pos < 0)
return pos;
cs_dsp_coeff_parse_alg(dsp, &data, &alg_blk);
for (i = 0; i < alg_blk.ncoeff; i++) {
cs_dsp_coeff_parse_coeff(dsp, &data, &coeff_blk);
pos = cs_dsp_coeff_parse_coeff(dsp, region, pos, &coeff_blk);
if (pos < 0)
return pos;
switch (coeff_blk.ctl_type) {
case WMFW_CTL_TYPE_BYTES:
@ -1321,6 +1403,10 @@ static unsigned int cs_dsp_adsp1_parse_sizes(struct cs_dsp *dsp,
const struct wmfw_adsp1_sizes *adsp1_sizes;
adsp1_sizes = (void *)&firmware->data[pos];
if (sizeof(*adsp1_sizes) > firmware->size - pos) {
cs_dsp_err(dsp, "%s: file truncated\n", file);
return 0;
}
cs_dsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", file,
le32_to_cpu(adsp1_sizes->dm), le32_to_cpu(adsp1_sizes->pm),
@ -1337,6 +1423,10 @@ static unsigned int cs_dsp_adsp2_parse_sizes(struct cs_dsp *dsp,
const struct wmfw_adsp2_sizes *adsp2_sizes;
adsp2_sizes = (void *)&firmware->data[pos];
if (sizeof(*adsp2_sizes) > firmware->size - pos) {
cs_dsp_err(dsp, "%s: file truncated\n", file);
return 0;
}
cs_dsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", file,
le32_to_cpu(adsp2_sizes->xm), le32_to_cpu(adsp2_sizes->ym),
@ -1376,7 +1466,6 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
struct regmap *regmap = dsp->regmap;
unsigned int pos = 0;
const struct wmfw_header *header;
const struct wmfw_adsp1_sizes *adsp1_sizes;
const struct wmfw_footer *footer;
const struct wmfw_region *region;
const struct cs_dsp_region *mem;
@ -1392,10 +1481,8 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
ret = -EINVAL;
pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
if (pos >= firmware->size) {
cs_dsp_err(dsp, "%s: file too short, %zu bytes\n",
file, firmware->size);
if (sizeof(*header) >= firmware->size) {
ret = -EOVERFLOW;
goto out_fw;
}
@ -1423,22 +1510,36 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
pos = sizeof(*header);
pos = dsp->ops->parse_sizes(dsp, file, pos, firmware);
if ((pos == 0) || (sizeof(*footer) > firmware->size - pos)) {
ret = -EOVERFLOW;
goto out_fw;
}
footer = (void *)&firmware->data[pos];
pos += sizeof(*footer);
if (le32_to_cpu(header->len) != pos) {
cs_dsp_err(dsp, "%s: unexpected header length %d\n",
file, le32_to_cpu(header->len));
ret = -EOVERFLOW;
goto out_fw;
}
cs_dsp_dbg(dsp, "%s: timestamp %llu\n", file,
le64_to_cpu(footer->timestamp));
while (pos < firmware->size &&
sizeof(*region) < firmware->size - pos) {
while (pos < firmware->size) {
/* Is there enough data for a complete block header? */
if (sizeof(*region) > firmware->size - pos) {
ret = -EOVERFLOW;
goto out_fw;
}
region = (void *)&(firmware->data[pos]);
if (le32_to_cpu(region->len) > firmware->size - pos - sizeof(*region)) {
ret = -EOVERFLOW;
goto out_fw;
}
region_name = "Unknown";
reg = 0;
text = NULL;
@ -1495,16 +1596,6 @@ static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
regions, le32_to_cpu(region->len), offset,
region_name);
if (le32_to_cpu(region->len) >
firmware->size - pos - sizeof(*region)) {
cs_dsp_err(dsp,
"%s.%d: %s region len %d bytes exceeds file length %zu\n",
file, regions, region_name,
le32_to_cpu(region->len), firmware->size);
ret = -EINVAL;
goto out_fw;
}
if (text) {
memcpy(text, region->data, le32_to_cpu(region->len));
cs_dsp_info(dsp, "%s: %s\n", file, text);
@ -1555,6 +1646,9 @@ out_fw:
cs_dsp_buf_free(&buf_list);
kfree(text);
if (ret == -EOVERFLOW)
cs_dsp_err(dsp, "%s: file content overflows file data\n", file);
return ret;
}
@ -2122,10 +2216,20 @@ static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware
pos = le32_to_cpu(hdr->len);
blocks = 0;
while (pos < firmware->size &&
sizeof(*blk) < firmware->size - pos) {
while (pos < firmware->size) {
/* Is there enough data for a complete block header? */
if (sizeof(*blk) > firmware->size - pos) {
ret = -EOVERFLOW;
goto out_fw;
}
blk = (void *)(&firmware->data[pos]);
if (le32_to_cpu(blk->len) > firmware->size - pos - sizeof(*blk)) {
ret = -EOVERFLOW;
goto out_fw;
}
type = le16_to_cpu(blk->type);
offset = le16_to_cpu(blk->offset);
version = le32_to_cpu(blk->ver) >> 8;
@ -2222,17 +2326,6 @@ static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware
}
if (reg) {
if (le32_to_cpu(blk->len) >
firmware->size - pos - sizeof(*blk)) {
cs_dsp_err(dsp,
"%s.%d: %s region len %d bytes exceeds file length %zu\n",
file, blocks, region_name,
le32_to_cpu(blk->len),
firmware->size);
ret = -EINVAL;
goto out_fw;
}
buf = cs_dsp_buf_alloc(blk->data,
le32_to_cpu(blk->len),
&buf_list);
@ -2272,6 +2365,10 @@ out_fw:
regmap_async_complete(regmap);
cs_dsp_buf_free(&buf_list);
kfree(text);
if (ret == -EOVERFLOW)
cs_dsp_err(dsp, "%s: file content overflows file data\n", file);
return ret;
}

View File

@ -38,7 +38,9 @@ static bool rt711_readable_register(struct device *dev, unsigned int reg)
case 0x8300 ... 0x83ff:
case 0x9c00 ... 0x9cff:
case 0xb900 ... 0xb9ff:
case 0x752008:
case 0x752009:
case 0x75200b:
case 0x752011:
case 0x75201a:
case 0x752045:

View File

@ -617,12 +617,6 @@ static int hda_dai_suspend(struct hdac_bus *bus)
sdai = swidget->private;
ops = sdai->platform_private;
ret = hda_link_dma_cleanup(hext_stream->link_substream,
hext_stream,
cpu_dai);
if (ret < 0)
return ret;
/* for consistency with TRIGGER_SUSPEND */
if (ops->post_trigger) {
ret = ops->post_trigger(sdev, cpu_dai,
@ -631,6 +625,12 @@ static int hda_dai_suspend(struct hdac_bus *bus)
if (ret < 0)
return ret;
}
ret = hda_link_dma_cleanup(hext_stream->link_substream,
hext_stream,
cpu_dai);
if (ret < 0)
return ret;
}
}

View File

@ -258,6 +258,12 @@ int hda_dsp_pcm_open(struct snd_sof_dev *sdev,
snd_pcm_hw_constraint_integer(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
/* Limit the maximum number of periods to not exceed the BDL entries count */
if (runtime->hw.periods_max > HDA_DSP_MAX_BDL_ENTRIES)
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->hw.periods_min,
HDA_DSP_MAX_BDL_ENTRIES);
/* Only S16 and S32 supported by HDA hardware when used without DSP */
if (sdev->dspless_mode_selected)
snd_pcm_hw_constraint_mask64(substream->runtime, SNDRV_PCM_HW_PARAM_FORMAT,