@@ -130,12 +130,12 @@ static void ps_decorrelate_c(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
INTFLOAT apd_im = in_im;
in_re = AAC_MSUB30(link_delay_re, fractional_delay_re,
link_delay_im, fractional_delay_im);
- in_re -= a_re;
+ in_re -= (UINTFLOAT)a_re;
in_im = AAC_MADD30(link_delay_re, fractional_delay_im,
link_delay_im, fractional_delay_re);
- in_im -= a_im;
- ap_delay[m][n+5][0] = apd_re + AAC_MUL31(ag[m], in_re);
- ap_delay[m][n+5][1] = apd_im + AAC_MUL31(ag[m], in_im);
+ in_im -= (UINTFLOAT)a_im;
+ ap_delay[m][n+5][0] = apd_re + (UINTFLOAT)AAC_MUL31(ag[m], in_re);
+ ap_delay[m][n+5][1] = apd_im + (UINTFLOAT)AAC_MUL31(ag[m], in_im);
}
out[n][0] = AAC_MUL16(transient_gain[n], in_re);
out[n][1] = AAC_MUL16(transient_gain[n], in_im);
Fixes: runtime error: signed integer overflow: 1939661764 - -454942263 cannot be represented in type 'int' Fixes: 3191/clusterfuzz-testcase-minimized-5688798451073024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/aacpsdsp_template.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)