diff options
| author | Volker Rümelin <vr_qemu@t-online.de> | 2020-01-23 08:49:43 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-01-31 08:49:48 +0100 |
| commit | 599eac4e5a41e828645594097daee39373acc3c0 (patch) | |
| tree | afecef2517630c09444ca2b40083248d3a0070f8 /audio | |
| parent | f03cd06814ab282196165808c01d4433773a6e0f (diff) | |
audio: audio_generic_get_buffer_in should honor *size
The function generic_get_buffer_in currently ignores the *size
parameter and may return a buffer larger than *size.
As a result the variable samples in function
audio_pcm_hw_run_in may underflow. The while loop then most
likely will never termiate.
Buglink: http://bugs.debian.org/948658
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20200123074943.6699-9-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/audio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/audio/audio.c b/audio/audio.c index b686429203..f9859408f3 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -1407,7 +1407,8 @@ void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size) } assert(start >= 0 && start < hw->size_emul); - *size = MIN(hw->pending_emul, hw->size_emul - start); + *size = MIN(*size, hw->pending_emul); + *size = MIN(*size, hw->size_emul - start); return hw->buf_emul + start; } |