ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Fri Mar 3 04:39:04 2017 +0100| [d23727e0420b9f77f0d4cb28b43819b402f702e5] | committer: Michael Niedermayer
avcodec/adxdec: Fix runtime error: left shift of negative value -1 Fixes: 705/clusterfuzz-testcase-5129572590813184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d23727e0420b9f77f0d4cb28b43819b402f702e5 --- libavcodec/adxdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/adxdec.c b/libavcodec/adxdec.c index 32cc0f0..178ea99 100644 --- a/libavcodec/adxdec.c +++ b/libavcodec/adxdec.c @@ -81,7 +81,7 @@ static int adx_decode(ADXContext *c, int16_t *out, int offset, s2 = prev->s2; for (i = 0; i < BLOCK_SAMPLES; i++) { d = get_sbits(&gb, 4); - s0 = ((d << COEFF_BITS) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS; + s0 = ((d * (1 << COEFF_BITS)) * scale + c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS; s2 = s1; s1 = av_clip_int16(s0); *out++ = s1; _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
