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avformat/mov: Check avif_info

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Fixes: leak
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6674082962997248
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6674082962997248

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 2023-09-21 20:09:12 +02:00
parent f904e60c32
commit 9a3bbf89bd
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GPG Key ID: B18E8928B3948D64
1 changed files with 2 additions and 1 deletions
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3
libavformat/mov.c
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@ -7772,10 +7772,11 @@ static int mov_read_iloc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0; return 0;
} }
if (c->fc->nb_streams) { if (c->avif_info) {
av_log(c->fc, AV_LOG_INFO, "Duplicate iloc box found\n"); av_log(c->fc, AV_LOG_INFO, "Duplicate iloc box found\n");
return 0; return 0;
} }
av_assert0(!c->fc->nb_streams);
version = avio_r8(pb); version = avio_r8(pb);
avio_rb24(pb); // flags. avio_rb24(pb); // flags.