On 4/27/2024 3:51 PM, Michael Niedermayer wrote:
Fixes: Assertion pkt->stream_index < (unsigned)s->nb_streams && "Invalid stream
index.\n" failed at libavformat/demux.c:572
Fixes:
67890/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-5166340789829632.fuzz
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/iamfdec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/iamfdec.c b/libavformat/iamfdec.c
index e34d13e74c5..ce6d4aa0647 100644
--- a/libavformat/iamfdec.c
+++ b/libavformat/iamfdec.c
@@ -154,6 +154,9 @@ static int iamf_read_header(AVFormatContext *s)
}
}
+ if (!s->nb_streams)
+ return AVERROR_INVALIDDATA;
+
return 0;
}
Should be ok.
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