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avformat/scd: Use ffio_read_size()

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Fixes: use of uninitialized memory
Fixes: 471771529/clusterfuzz-testcase-minimized-ffmpeg_dem_SCD_fuzzer-5328203515494400

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2026-02-08 00:19:12 +01:00
parent b8daba42cd
commit a5007428e8
1 changed files with 1 additions and 1 deletions
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libavformat/scd.c
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@@ -122,7 +122,7 @@ static int scd_read_offsets(AVFormatContext *s)
SCDDemuxContext *ctx = s->priv_data;
uint8_t buf[SCD_OFFSET_HEADER_SIZE];
if ((ret = avio_read(s->pb, buf, SCD_OFFSET_HEADER_SIZE)) < 0)
if ((ret = ffio_read_size(s->pb, buf, SCD_OFFSET_HEADER_SIZE)) < 0)
return ret;
ctx->hdr.table0.count = AV_RB16(buf + 0);