From 68a017f6b5ea08fb92ac0245f6625d6e195c2074 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 19 Jul 2024 22:50:00 +0200 Subject: [PATCH] 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 (cherry picked from commit a308d79e4dedea11667cb2ad42c6676ce96e8ee1) Signed-off-by: Michael Niedermayer --- libavcodec/cfhdenc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libavcodec/cfhdenc.c b/libavcodec/cfhdenc.c index 7169d20a8c..f54b19b032 100644 --- a/libavcodec/cfhdenc.c +++ b/libavcodec/cfhdenc.c @@ -553,7 +553,7 @@ 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; @@ -761,7 +761,6 @@ 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); }