ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu May 11 15:29:31 2017 +0200| [7ac5067146613997bb38442cb022d7f41321a706] | committer: Michael Niedermayer
avcodec/scpr: Check y in first line loop in decompress_i() Fixes: out of array access Fixes: 1478/clusterfuzz-testcase-minimized-5285486908145664 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=7ac5067146613997bb38442cb022d7f41321a706 --- libavcodec/scpr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c index ba1f65f2e9..b87c047ab6 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -331,6 +331,9 @@ static int decompress_i(AVCodecContext *avctx, uint32_t *dst, int linesize) clr = (b << 16) + (g << 8) + r; k += run; while (run-- > 0) { + if (y >= avctx->height) + return AVERROR_INVALIDDATA; + dst[y * linesize + x] = clr; lx = x; ly = y; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
