ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Mar 1 16:32:09 2017 +0100| [4b72d5cd6f9341dcafdbc1b9030166aa987b8304] | committer: Michael Niedermayer
avcodec/mjpegdec: Fix runtime error: left shift of negative value -511 Fixes: 693/clusterfuzz-testcase-6109776066904064 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=4b72d5cd6f9341dcafdbc1b9030166aa987b8304 --- libavcodec/mjpegdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 69469c5..2b5adfc 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1157,7 +1157,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, if (s->interlaced && s->bottom_field) ptr16 += linesize >> 1; pred &= mask; - *ptr16= pred + (dc << point_transform); + *ptr16= pred + ((unsigned)dc << point_transform); } if (++x == h) { x = 0; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
