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author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-21 20:37:45 +0300 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-30 19:46:34 +0300 |
commit | 44b18a76b8d4e01c7ce62474aaf196857e75e976 (patch) | |
tree | b346c360457666ab0e7650b72e5a8747e35c68bb /libavformat/xwma.c | |
parent | 91b8e0053802b0a1d0c5a08c4981d91fc2be9e95 (diff) |
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>
Diffstat (limited to 'libavformat/xwma.c')
-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; } |