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new a5007428e8 avformat/scd: Use ffio_read_size()
a5007428e8 is described below
commit a5007428e853c5a61e4ac3c6e24fa0304c3d0c1e
Author: Michael Niedermayer <[email protected]>
AuthorDate: Sun Feb 8 00:19:12 2026 +0100
Commit: Michael Niedermayer <[email protected]>
CommitDate: Sun Feb 8 02:25:14 2026 +0100
avformat/scd: Use ffio_read_size()
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 <[email protected]>
---
libavformat/scd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/scd.c b/libavformat/scd.c
index 06d3408e15..091d20824c 100644
--- a/libavformat/scd.c
+++ b/libavformat/scd.c
@@ -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);
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