[FFmpeg-cvslog] avcodec/cfhdenc: Allocate more space

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Jul 19 22:50:00 2024 +0200| [a308d79e4dedea11667cb2ad42c6676ce96e8ee1] | committer: Michael Niedermayer

avcodec/cfhdenc: Allocate more space

Fixes: Assertion failure
Fixes: 68979/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5375874714107904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a308d79e4dedea11667cb2ad42c6676ce96e8ee1
---

 libavcodec/cfhdenc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavcodec/cfhdenc.c b/libavcodec/cfhdenc.c
index 5657d0f96c..09fb2bd743 100644
--- a/libavcodec/cfhdenc.c
+++ b/libavcodec/cfhdenc.c
@@ -552,7 +552,7 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                          width, height * 2);
     }
 
-    ret = ff_alloc_packet(avctx, pkt, 256LL + s->planes * (2LL * avctx->width * (avctx->height + 15) + 2048LL));
+    ret = ff_alloc_packet(avctx, pkt, 256LL + s->planes * (4LL * avctx->width * (avctx->height + 15) + 2048LL));
     if (ret < 0)
         return ret;
 
@@ -760,7 +760,6 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                         } else if (count > 0) {
                             count = put_runcode(pb, count, rb);
                         }
-
                         put_bits(pb, cb[index].size, cb[index].bits);
                     }