Fixes: shift exponent -4 is negative Fixes: 17793/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5766088435957760 Fixes: 18989/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5175008116867072
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dstdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dstdec.c b/libavcodec/dstdec.c index ae3fe428dd..880b838b0c 100644 --- a/libavcodec/dstdec.c +++ b/libavcodec/dstdec.c @@ -121,7 +121,7 @@ static int read_map(GetBitContext *gb, Table *t, unsigned int map[DST_MAX_CHANNE static av_always_inline int get_sr_golomb_dst(GetBitContext *gb, unsigned int k) { - int v = get_ur_golomb(gb, k, get_bits_left(gb), 0); + int v = get_ur_golomb_jpegls(gb, k, get_bits_left(gb), 0); if (v && get_bits1(gb)) v = -v; return v; -- 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".
