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avcodec/hdrenc: Allocate more space

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This needs to be double checked or a checking way of writing should be used

Fixes: out of array access
Fixes: 70007/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HDR_fuzzer-5478704150020096

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-07-19 23:45:27 +02:00
parent 5dde255abd
commit 204f7f8cc7
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1 changed files with 1 additions and 1 deletions
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libavcodec/hdrenc.c
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@ -124,7 +124,7 @@ static int hdr_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t *buf; uint8_t *buf;
int ret; int ret;
packet_size = avctx->width * avctx->height * 4LL + 1024LL; packet_size = avctx->height * 4LL + avctx->width * avctx->height * 8LL + 1024LL;
if ((ret = ff_get_encode_buffer(avctx, pkt, packet_size, 0)) < 0) if ((ret = ff_get_encode_buffer(avctx, pkt, packet_size, 0)) < 0)
return ret; return ret;