ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Feb 21 00:11:19 2017 +0100| [e8a3498f2452ba2be605b1ffb5974143095aacf1] | committer: Michael Niedermayer
avcodec/dca_xll: Fix runtime error: signed integer overflow: -1073741824 * 32768 cannot be represented in type 'int' Fixes: 629/clusterfuzz-testcase-6697457381539840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8a3498f2452ba2be605b1ffb5974143095aacf1 --- libavcodec/dca_xll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/dca_xll.c b/libavcodec/dca_xll.c index 435f84e..3dfde6b 100644 --- a/libavcodec/dca_xll.c +++ b/libavcodec/dca_xll.c @@ -717,10 +717,10 @@ static void chs_assemble_msbs_lsbs(DCAXllDecoder *s, DCAXllChSet *c, int band) int32_t *lsb = b->lsb_sample_buffer[ch]; int adj = b->bit_width_adjust[ch]; for (n = 0; n < nsamples; n++) - msb[n] = msb[n] * (1 << shift) + (lsb[n] << adj); + msb[n] = msb[n] * (SUINT)(1 << shift) + (lsb[n] << adj); } else { for (n = 0; n < nsamples; n++) - msb[n] = msb[n] * (1 << shift); + msb[n] = msb[n] * (SUINT)(1 << shift); } } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
