From 6aaa01afe4fb774d0767684aa00f075b0ee5fca6 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 3 Jul 2019 23:25:07 +0200 Subject: avcodec/huffyuv: remove gray8a (the format is listed but not supported by the implementation) Fixes: null pointer dereference Fixes: 15464/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HYMT_fuzzer-5681391150301184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavcodec/huffyuvdec.c | 3 --- libavcodec/huffyuvenc.c | 2 -- 2 files changed, 5 deletions(-) diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c index 27f650d..771481f 100644 --- a/libavcodec/huffyuvdec.c +++ b/libavcodec/huffyuvdec.c @@ -418,9 +418,6 @@ static av_cold int decode_init(AVCodecContext *avctx) case 0x0F0: avctx->pix_fmt = AV_PIX_FMT_GRAY16; break; - case 0x170: - avctx->pix_fmt = AV_PIX_FMT_GRAY8A; - break; case 0x470: avctx->pix_fmt = AV_PIX_FMT_GBRP; break; diff --git a/libavcodec/huffyuvenc.c b/libavcodec/huffyuvenc.c index 3662c17..a6f0d06 100644 --- a/libavcodec/huffyuvenc.c +++ b/libavcodec/huffyuvenc.c @@ -268,7 +268,6 @@ FF_ENABLE_DEPRECATION_WARNINGS case AV_PIX_FMT_YUVA420P: case AV_PIX_FMT_YUVA422P: case AV_PIX_FMT_GBRAP: - case AV_PIX_FMT_GRAY8A: case AV_PIX_FMT_YUV420P9: case AV_PIX_FMT_YUV420P10: case AV_PIX_FMT_YUV420P12: @@ -1122,7 +1121,6 @@ AVCodec ff_ffvhuff_encoder = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, AV_PIX_FMT_GBRAP, - AV_PIX_FMT_GRAY8A, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16, -- cgit v1.1