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authorMartin Storsjö <martin@martin.st>2013-09-19 15:32:02 +0300
committerMartin Storsjö <martin@martin.st>2013-09-19 22:44:18 +0300
commite9d61de96c113ee0ef8082833c7e682df0e23eec (patch)
treed1871de4e6354d3837ca69104a065150035f24d0 /libavcodec
parentf50803354c6acb4575379d7c54ca48ec5d36dd61 (diff)
mpegaudiodec: Validate that the number of channels fits at the given offset
This is similar to the fix in 35cbc98b. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mpegaudiodec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index c18f433b4b..423b4b06a1 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -1939,7 +1939,8 @@ static int decode_frame_mp3on4(AVCodecContext *avctx, void *data,
avpriv_mpegaudio_decode_header((MPADecodeHeader *)m, header);
- if (ch + m->nb_channels > avctx->channels) {
+ if (ch + m->nb_channels > avctx->channels ||
+ s->coff[fr] + m->nb_channels > avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "frame channel count exceeds codec "
"channel count\n");
return AVERROR_INVALIDDATA;