ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Dec 1 21:40:43 2024 +0100| [4485a0fd77c50157feb308090d84b52cd84e80a2] | committer: Michael Niedermayer
avformat/iamf_parse: Check output_channel_count Fixes: -nan is outside the range of representable values of type 'int' Fixes: 377072730/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-6545416570601472 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4485a0fd77c50157feb308090d84b52cd84e80a2 --- libavformat/iamf_parse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 2394536f72..7cf27651ee 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -422,7 +422,7 @@ static int ambisonics_config(void *s, AVIOContext *pb, output_channel_count = avio_r8(pb); // C substream_count = avio_r8(pb); // N - if (audio_element->nb_substreams != substream_count) + if (audio_element->nb_substreams != substream_count || output_channel_count == 0) return AVERROR_INVALIDDATA; order = floor(sqrt(output_channel_count - 1)); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".