Fixes: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 18817/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5713317180211200
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/wmalosslessdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index d4f18b9841..45740a090b 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -950,6 +950,8 @@ static int decode_subframe(WmallDecodeCtx *s) for (j = 0; j < subframe_len; j++) s->channel_residues[i][j] = get_sbits_long(&s->gb, bits); } else { + if (s->bits_per_sample < padding_zeroes) + return AVERROR_INVALIDDATA; for (i = 0; i < s->num_channels; i++) { if (s->is_channel_coded[i]) { decode_channel_residues(s, i, subframe_len); -- 2.23.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
