Fixes: signed integer overflow: -2147483360 - 631 cannot be represented in type 'int' Fixes: 17701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5711517319692288
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/adpcm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 8ed2b6c9d9..a8e74522b3 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1231,8 +1231,11 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, return AVERROR_INVALIDDATA; } } - for (i=0; i<=st; i++) + for (i=0; i<=st; i++) { c->status[i].predictor = bytestream2_get_le32u(&gb); + if (FFABS(c->status[i].predictor) > (1<<16)) + return AVERROR_INVALIDDATA; + } for (n = nb_samples >> (1 - st); n > 0; n--) { int byte = bytestream2_get_byteu(&gb); -- 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".
