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tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers

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Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e40b23c52a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-08-12 15:23:56 +02:00
parent c9d4fb32cf
commit ca38b468d5
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1 changed files with 8 additions and 1 deletions
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9
tools/target_dec_fuzzer.c
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@ -128,7 +128,14 @@ 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;