ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jul 2 14:22:48 2022 +0200| [9fec43a92d7304fc594dcf73c6dd3144b855617d] | committer: Michael Niedermayer
avcodec/alsdec: No channels cannot be accessed Fixes: out of array access Fixes: 48145/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5054524173189120 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Thilo Borgmann <thilo.borgm...@mail.de> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9fec43a92d7304fc594dcf73c6dd3144b855617d --- libavcodec/alsdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c index bf961a03f5..7031fa0acb 100644 --- a/libavcodec/alsdec.c +++ b/libavcodec/alsdec.c @@ -361,6 +361,9 @@ static av_cold int read_specific_config(ALSDecContext *ctx) return AVERROR_PATCHWELCOME; } + if (avctx->ch_layout.nb_channels == 0) + return AVERROR_INVALIDDATA; + ctx->cur_frame_length = sconf->frame_length; // read channel config _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
