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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-05-11 18:54:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 13:56:53 +0200 |
| commit | 295597b7491eb942e4f3c332682f8473d4b6afc7 (patch) | |
| tree | 158c39379faf00e86d51655b1f493db0f44a1955 | |
| parent | a55db635fd5b4ebe6ae012415db65426c2914b07 (diff) | |
| download | ffmpeg-295597b7491eb942e4f3c332682f8473d4b6afc7.tar.gz | |
avformat/avidec: Use 64bit for frame number in odml index parsing
Fixes: signed integer overflow: 1179337772 + 1392508928 cannot be represented in type 'int'
Fixes: 34088/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5846945303232512
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a4c98c507ed3c729fc92d641b974385f8aa37b33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/avidec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 1971ea0fe8..5b68e30034 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -156,7 +156,7 @@ static int get_riff(AVFormatContext *s, AVIOContext *pb) return 0; } -static int read_odml_index(AVFormatContext *s, int frame_num) +static int read_odml_index(AVFormatContext *s, int64_t frame_num) { AVIContext *avi = s->priv_data; AVIOContext *pb = s->pb; @@ -176,7 +176,7 @@ static int read_odml_index(AVFormatContext *s, int frame_num) av_log(s, AV_LOG_TRACE, "longs_per_entry:%d index_type:%d entries_in_use:%d " - "chunk_id:%X base:%16"PRIX64" frame_num:%d\n", + "chunk_id:%X base:%16"PRIX64" frame_num:%"PRId64"\n", longs_per_entry, index_type, entries_in_use, |