From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers
Date: Mon, 12 Aug 2024 15:29:51 +0200
Message-ID: <20240812132951.1409672-1-michael@niedermayer.cc> (raw)
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
tools/target_dec_fuzzer.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 794b5b92cc7..5fccf2ab8fc 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -129,7 +129,14 @@ static int fuzz_video_get_buffer(AVCodecContext *ctx, AVFrame *frame)
frame->extended_data = frame->data;
for (i = 0; i < 4 && size[i]; i++) {
- frame->buf[i] = av_buffer_allocz(size[i]);
+ switch(ctx->codec_id) {
+ case AV_CODEC_ID_FFV1:
+ frame->buf[i] = av_buffer_alloc(size[i]);
+ break;
+ default:
+ frame->buf[i] = av_buffer_allocz(size[i]);
+ }
+
if (!frame->buf[i])
goto fail;
frame->data[i] = frame->buf[i]->data;
--
2.45.2
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next reply other threads:[~2024-08-12 13:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-12 13:29 Michael Niedermayer [this message]
2024-08-14 14:32 ` Michael Niedermayer
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