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[FFmpeg-devel,11/11] avcodec/hdrenc: Allocate more space

Message ID 20240720005241.726089-11-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,01/11] avcodec/alsdec: Clear shift_value | expand

Commit Message

Michael Niedermayer July 20, 2024, 12:52 a.m. UTC 
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(-)
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Patch

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;