[FFmpeg-devel] [PATCH 5/5] avcodec/flicvideo: Use bytestream2_get_buffer() in flic_decode_frame_15_16BPP() for FLI_COPY

[Michael Niedermayer]

Fixes: Timeout(103sec -> 3sec)
Fixes: 17678/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-5715436989054976

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/flicvideo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 276c2ff2a6..e559f3d449 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -738,6 +738,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                 for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;
                      y_ptr += s->frame->linesize[0]) {
 
+#if HAVE_BIGENDIAN
                     pixel_countdown = s->avctx->width;
                     pixel_ptr = 0;
                     while (pixel_countdown > 0) {
@@ -745,6 +746,9 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
                       pixel_ptr += 2;
                       pixel_countdown--;
                     }
+#else
+                    bytestream2_get_buffer(&g2, pixels + y_ptr, 2*s->avctx->width);
+#endif
                     if (s->avctx->width & 1)
                         bytestream2_skip(&g2, 2);
                 }
-- 
2.23.0