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authorMichael Niedermayer <michael@niedermayer.cc>2021-05-11 18:54:53 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2021-08-28 20:47:24 +0200
commita4c98c507ed3c729fc92d641b974385f8aa37b33 (patch)
tree8d7c31b111c17b9bb46e94c1a04cd19d57bc0d4f /libavformat/avidec.c
parent104a8399ae96f022a3662bd67668ad07e53e3093 (diff)
downloadffmpeg-a4c98c507ed3c729fc92d641b974385f8aa37b33.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>
Diffstat (limited to 'libavformat/avidec.c')
-rw-r--r--libavformat/avidec.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 5d695b9839..b1dea1362e 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -164,7 +164,7 @@ 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;
@@ -184,7 +184,7 @@ 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,