diff options
Diffstat (limited to 'sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c')
| -rw-r--r-- | sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c index 487aaf2390c0..5f4225e675ad 100644 --- a/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c +++ b/sound/soc/msm/qdsp6v2/msm-pcm-q6-v2.c @@ -1,4 +1,5 @@ /* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -995,6 +996,14 @@ static int msm_pcm_capture_copy(struct snd_pcm_substream *substream, xfer = size; offset = prtd->in_frame_info[idx].offset; pr_debug("Offset value = %d\n", offset); + + if (offset >= size) { + pr_err("%s: Invalid dsp buf offset\n", __func__); + ret = -EFAULT; + q6asm_cpu_buf_release(OUT, prtd->audio_client); + goto fail; + } + if (copy_to_user(buf, bufptr+offset, xfer)) { pr_err("Failed to copy buf to user\n"); ret = -EFAULT; |