ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 11 01:08:06 2025 +0200| [abd06f81c89a693000c241e1a5955962fcb25741] | committer: Michael Niedermayer
avcodec/sonic: Check num_taps The encoder uses max 128 taps, which is quiet a lot already If work is done to improve sonic, it will be more radical than changing the taps Fixes: Timeout Fixes: 402539974/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-6122944271286272 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit fd0a792766c8ae513dd849fc47fa9e899cc5664b) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=abd06f81c89a693000c241e1a5955962fcb25741 --- libavcodec/sonic.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c index b6bb1c3a84..b0746002d4 100644 --- a/libavcodec/sonic.c +++ b/libavcodec/sonic.c @@ -927,6 +927,9 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx) if (get_bits1(&gb)) // XXX FIXME av_log(avctx, AV_LOG_INFO, "Custom quant table\n"); + if (s->num_taps > 128) + return AVERROR_INVALIDDATA; + s->block_align = 2048LL*s->samplerate/(44100*s->downsampling); s->frame_size = s->channels*s->block_align*s->downsampling; // avctx->frame_size = s->block_align; _______________________________________________ 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".
