ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 11 14:34:54 2017 +0200| [afc6d2242cbc29bd027283aa0e003357d867c1e0] | committer: Michael Niedermayer
avcodec/snowdec: Fix runtime error: left shift of negative value -1 Fixes: 2197/clusterfuzz-testcase-minimized-6010716676947968 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 2e44126363bc9e23093ceced5d7bde1ee4bbb338) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=afc6d2242cbc29bd027283aa0e003357d867c1e0 --- libavcodec/snowdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/snowdec.c b/libavcodec/snowdec.c index 022e9693c7..7d6d7ff44f 100644 --- a/libavcodec/snowdec.c +++ b/libavcodec/snowdec.c @@ -586,7 +586,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, for(; yq<slice_h && yq<h; yq++){ IDWTELEM * line = slice_buffer_get_line(&s->sb, yq); for(x=0; x<w; x++){ - line[x] <<= FRAC_BITS; + line[x] *= 1<<FRAC_BITS; } } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
