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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-13 15:00:14 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-25 13:30:09 +0200 |
| commit | f8f5668df590d853429586e1f95cbd9cee38920e (patch) | |
| tree | a6ad4507b3b856e58af0b4ce9a0089a81e8a6e92 /libavcodec | |
| parent | 3aecd0170413c7e56f19de4e34d093a2c4027c2a (diff) | |
| download | ffmpeg-f8f5668df590d853429586e1f95cbd9cee38920e.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>
Diffstat (limited to 'libavcodec')
| -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 5f4be017d5..eef8adc7e2 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) + |