From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 11/11] avcodec/hdrenc: Allocate more space
Date: Sat, 20 Jul 2024 02:52:41 +0200
Message-ID: <20240720005241.726089-11-michael@niedermayer.cc> (raw)
In-Reply-To: <20240720005241.726089-1-michael@niedermayer.cc>
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>
---
libavcodec/hdrenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/hdrenc.c b/libavcodec/hdrenc.c
index 20e42134bc8..a7bf36946db 100644
--- a/libavcodec/hdrenc.c
+++ b/libavcodec/hdrenc.c
@@ -124,7 +124,7 @@ static int hdr_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t *buf;
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)
return ret;
--
2.45.2
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next prev parent reply other threads:[~2024-07-20 0:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-20 0:52 [FFmpeg-devel] [PATCH 01/11] avcodec/alsdec: Clear shift_value Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 02/11] avcodec/proresdec: Consider negative bits left Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 03/11] avcodec/hevc/hevcdec: avoid signed shifts with lt_idx_sps Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 04/11] avcodec/aac/aacdec_usac: Dont leave invalid max_sfb in the context Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 05/11] avcodec/aac/aacdec_lpd: Check kv indec Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 06/11] avcodec/vaapi_encode: Check hwctx Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 07/11] avcodec/osq: avoid using too large numbers for shifts and integers in update_residue_parameter() Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 08/11] avcodec/osq: fix integer overflow when applying factor Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 09/11] avcodec/cfhdenc: Allocate more space Michael Niedermayer
2024-07-20 0:52 ` [FFmpeg-devel] [PATCH 10/11] avcodec/cfhdenc: Height of 16 is not supported Michael Niedermayer
2024-07-20 0:52 ` Michael Niedermayer [this message]
2024-07-23 18:37 ` [FFmpeg-devel] [PATCH 01/11] avcodec/alsdec: Clear shift_value Michael Niedermayer
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