RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/adpcm_data: extend ff_adpcm_ima_cunning_index_table 

Fixes: overread by 1
Fixes: 21880/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_CUNNING_fuzzer-5717917221257216.fuzz

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-05-28 00:05:16 +02:00
parent 83fa39eb06
commit 9d24f293e7
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/adpcm_data.c
View File

@ -178,8 +178,8 @@ const int16_t ff_adpcm_mtaf_stepsize[32][16] = {
-424, -1273, -2121, -2970, -3819, -4668, -5516, -6365, },
};
const int8_t ff_adpcm_ima_cunning_index_table[8] = {
-1, -1, -1, -1, 1, 2, 3, 4,
const int8_t ff_adpcm_ima_cunning_index_table[9] = {
-1, -1, -1, -1, 1, 2, 3, 4, -1
};
const int16_t ff_adpcm_ima_cunning_step_table[61] = {

2
libavcodec/adpcm_data.h
View File

@ -42,7 +42,7 @@ extern const int16_t ff_adpcm_yamaha_indexscale[];
extern const int8_t ff_adpcm_yamaha_difflookup[];
extern const int16_t ff_adpcm_afc_coeffs[2][16];
extern const int16_t ff_adpcm_mtaf_stepsize[32][16];
extern const int8_t ff_adpcm_ima_cunning_index_table[8];
extern const int8_t ff_adpcm_ima_cunning_index_table[9];
extern const int16_t ff_adpcm_ima_cunning_step_table[61];
#endif /* AVCODEC_ADPCM_DATA_H */