Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int' Fixes: signed integer overflow: 2049431315 + 262759074 cannot be represented in type 'int' Fixes: 16012/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5719016003338240
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/apedec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 8872185b84..70939abeb4 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -589,7 +589,7 @@ static void decode_array_0000(APEContext *ctx, GetBitContext *gb, int32_t *out, APERice *rice, int blockstodecode) { int i; - int ksummax, ksummin; + unsigned ksummax, ksummin; rice->ksum = 0; for (i = 0; i < FFMIN(blockstodecode, 5); i++) { @@ -836,7 +836,7 @@ static av_always_inline int filter_fast_3320(APEPredictor *p, else p->coeffsA[filter][0]--; - p->filterA[filter] += p->lastA[filter]; + p->filterA[filter] += (unsigned)p->lastA[filter]; return p->filterA[filter]; } -- 2.22.0 _______________________________________________ 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".
