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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-13 15:00:14 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-02 19:41:48 +0100 |
| commit | 1df86144e0866ff0a8e18e002ea65453d6bf51a8 (patch) | |
| tree | 589cc849523982ed05d59d68fbcc937be77c400d | |
| parent | 5a7a2180f8d5a013c73b6c590062dfa7a5aeedeb (diff) | |
| download | ffmpeg-1df86144e0866ff0a8e18e002ea65453d6bf51a8.tar.gz | |
avcodec/aacpsdsp_template: Fix integer overflow in ps_hybrid_analysis_c()
Fixes: signed integer overflow: -1539565182 + -798086761 cannot be represented in type 'int'
Fixes: 14807/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-564925382682214
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8f5668df590d853429586e1f95cbd9cee38920e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/aacpsdsp_template.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/aacpsdsp_template.c b/libavcodec/aacpsdsp_template.c index 3049ce8b79..b555de886c 100644 --- a/libavcodec/aacpsdsp_template.c +++ b/libavcodec/aacpsdsp_template.c @@ -54,10 +54,10 @@ static void ps_hybrid_analysis_c(INTFLOAT (*out)[2], INTFLOAT (*in)[2], INT64FLOAT sum_im = (INT64FLOAT)filter[i][6][0] * in[6][1]; for (j = 0; j < 6; j++) { - INTFLOAT in0_re = in[j][0]; - INTFLOAT in0_im = in[j][1]; - INTFLOAT in1_re = in[12-j][0]; - INTFLOAT in1_im = in[12-j][1]; + INT64FLOAT in0_re = in[j][0]; + INT64FLOAT in0_im = in[j][1]; + INT64FLOAT in1_re = in[12-j][0]; + INT64FLOAT in1_im = in[12-j][1]; sum_re += (INT64FLOAT)filter[i][j][0] * (in0_re + in1_re) - (INT64FLOAT)filter[i][j][1] * (in0_im - in1_im); sum_im += (INT64FLOAT)filter[i][j][0] * (in0_im + in1_im) + |