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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-01 00:43:03 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-15 01:01:22 +0100 |
| commit | a76690c02b4fd12d7fac6f753af8bad72c82d55c (patch) | |
| tree | 5c6da12a1e9e6eaef4d40363ffffb09c4fc95a94 | |
| parent | 19c41969b26d07519fff8182a0d3266cdb712078 (diff) | |
| download | ffmpeg-a76690c02b4fd12d7fac6f753af8bad72c82d55c.tar.gz | |
avcodec/dstdec: Use get_ur_golomb_jpegls()
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 <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/dstdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |