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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-12-12 22:19:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-01 20:19:15 +0100 |
| commit | bcc7d14453ea2bafa6569a07002943808f2a396a (patch) | |
| tree | 016af8a3a51a2e2d76eebc1029451452c8ef04bc /libavformat | |
| parent | ee50f727158095f77a4fdadd572e3bd59ac101f2 (diff) | |
| download | ffmpeg-bcc7d14453ea2bafa6569a07002943808f2a396a.tar.gz | |
avformat/aadec: Check for EOF while reading chapters
Fixes: timeout
Fixes: 28199/clusterfuzz-testcase-minimized-ffmpeg_dem_AA_fuzzer-4896162657861632
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/aadec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/aadec.c b/libavformat/aadec.c index 63f8176a57..612e66906d 100644 --- a/libavformat/aadec.c +++ b/libavformat/aadec.c @@ -223,7 +223,8 @@ static int aa_read_header(AVFormatContext *s) while ((chapter_pos = avio_tell(pb)) >= 0 && chapter_pos < c->content_end) { int chapter_idx = s->nb_chapters; uint32_t chapter_size = avio_rb32(pb); - if (chapter_size == 0) break; + if (chapter_size == 0 || avio_feof(pb)) + break; chapter_pos -= start + CHAPTER_HEADER_SIZE * chapter_idx; avio_skip(pb, 4 + chapter_size); if (!avpriv_new_chapter(s, chapter_idx, st->time_base, |