ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue May 23 21:08:48 2017 +0200| [7c36ee216f1e668e2c2af1573bd9dbbb2a501f48] | committer: Michael Niedermayer
avcodec/sbrdsp_template: Fix: runtime error: signed integer overflow: 849815297 + 1315389781 cannot be represented in type 'int' Fixes: 1770/clusterfuzz-testcase-minimized-5285511235108864 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7c36ee216f1e668e2c2af1573bd9dbbb2a501f48 --- libavcodec/sbrdsp_template.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/libavcodec/sbrdsp_template.c b/libavcodec/sbrdsp_template.c index b649dfd7ee..897a3bbffb 100644 --- a/libavcodec/sbrdsp_template.c +++ b/libavcodec/sbrdsp_template.c @@ -33,8 +33,13 @@ static void sbr_qmf_deint_bfly_c(INTFLOAT *v, const INTFLOAT *src0, const INTFLO { int i; for (i = 0; i < 64; i++) { - v[ i] = AAC_SRA_R((src0[i] - src1[63 - i]), 5); - v[127 - i] = AAC_SRA_R((src0[i] + src1[63 - i]), 5); +#if USE_FIXED + v[ i] = (int)(0x10U + src0[i] - src1[63 - i]) >> 5; + v[127 - i] = (int)(0x10U + src0[i] + src1[63 - i]) >> 5; +#else + v[ i] = src0[i] - src1[63 - i]; + v[127 - i] = src0[i] + src1[63 - i]; +#endif } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
