* [FFmpeg-devel] [PATCH] avcodec/bsf/ahx_to_mp2: Don't output uninitialized data (PR #20591)
@ 2025-09-24 2:38 mkver via ffmpeg-devel
0 siblings, 0 replies; only message in thread
From: mkver via ffmpeg-devel @ 2025-09-24 2:38 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: mkver
PR #20591 opened by mkver
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20591
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20591.patch
>From 0cdb58004bee28b183894a0cb91f12d247e5a835 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Wed, 24 Sep 2025 04:34:47 +0200
Subject: [PATCH] avcodec/bsf/ahx_to_mp2: Don't output uninitialized data
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavcodec/bsf/ahx_to_mp2.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/bsf/ahx_to_mp2.c b/libavcodec/bsf/ahx_to_mp2.c
index eae71fe5ee..8e30c5b1db 100644
--- a/libavcodec/bsf/ahx_to_mp2.c
+++ b/libavcodec/bsf/ahx_to_mp2.c
@@ -44,11 +44,13 @@ static int filter(AVBSFContext *ctx, AVPacket *pkt)
return ret;
if (pkt->size < 1044) {
+ int original_size = pkt->size;
ret = av_grow_packet(pkt, 1044-pkt->size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
+ memset(pkt->data + original_size, 0, 1044 - original_size);
}
return 0;
--
2.49.1
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2025-09-24 2:38 [FFmpeg-devel] [PATCH] avcodec/bsf/ahx_to_mp2: Don't output uninitialized data (PR #20591) mkver via ffmpeg-devel
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