This combination would assume different block sizes throughout the code so its
better to error out.
Fixes: signed integer overflow: -1082385168 * 2 cannot be represented in type
'int'
Fixes:
19110/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5643993950191616
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/g729dec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c
index 16869e0df8..eafac8a023 100644
--- a/libavcodec/g729dec.c
+++ b/libavcodec/g729dec.c
@@ -434,7 +434,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr,
ctx->onset = 0;
ctx->voice_decision = DECISION_VOICE;
av_log(avctx, AV_LOG_DEBUG, "Packet type: %s\n", "G.729 @ 8kbit/s");
- } else if (buf_size == G729D_6K4_BLOCK_SIZE * avctx->channels) {
+ } else if (buf_size == G729D_6K4_BLOCK_SIZE * avctx->channels &&
avctx->codec_id != AV_CODEC_ID_ACELP_KELVIN) {
packet_type = FORMAT_G729D_6K4;
format = &format_g729d_6k4;
av_log(avctx, AV_LOG_DEBUG, "Packet type: %s\n", "G.729D @ 6.4kbit/s");
--
2.23.0
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