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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-21 19:37:45 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-02 14:18:21 +0100 |
| commit | a0db3ad5d5200d3aed179edce373e322e58d0eac (patch) | |
| tree | eb282fb5036c19026ee49199a949a5ee7771267a | |
| parent | 4b080eaf2b437a86c3cffa37fa1a258205f9e50b (diff) | |
| download | ffmpeg-a0db3ad5d5200d3aed179edce373e322e58d0eac.tar.gz | |
avformat/xwma: Check for EOF in dpds_table read code
Fixes: Timeout (>30 -> 140ms)
Fixes: 26478/clusterfuzz-testcase-minimized-ffmpeg_dem_XWMA_fuzzer-5918147066200064
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 44b18a76b8d4e01c7ce62474aaf196857e75e976)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/xwma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c index 5a57caa841..aedadcf140 100644 --- a/libavformat/xwma.c +++ b/libavformat/xwma.c @@ -211,6 +211,10 @@ static int xwma_read_header(AVFormatContext *s) } for (i = 0; i < dpds_table_size; ++i) { + if (avio_feof(pb)) { + ret = AVERROR_INVALIDDATA; + goto fail; + } dpds_table[i] = avio_rl32(pb); size -= 4; } |