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avformat/matroskadec: fix invalid check and uninitialized memory access

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size is uninitialized when av_dynamic_hdr_smpte2094_app5_alloc failed.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili
2026-04-27 14:55:32 +08:00
committed by Marvin Scholz
parent 1b98286131
commit 9eaa559847
1 changed files with 1 additions and 1 deletions
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libavformat/matroskadec.c
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@@ -3973,7 +3973,7 @@ static int matroska_parse_block_additional(MatroskaDemuxContext *matroska,
break; // ignore
hdr_smpte_2094_app5 = av_dynamic_hdr_smpte2094_app5_alloc(&hdr_smpte_2094_app5_size);
if (!hdr_smpte_2094_app5_size)
if (!hdr_smpte_2094_app5)
return AVERROR(ENOMEM);
if ((res = av_dynamic_hdr_smpte2094_app5_from_t35(hdr_smpte_2094_app5,