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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-13 23:30:47 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-10 16:04:26 +0200 |
| commit | 2521c55a5426425d8ba7a975392c9f16efbbe03b (patch) | |
| tree | 51f56ded0600062238ea0cdf81578d4de3549394 | |
| parent | df388f600d3bec356098c3debca355351ec2a10a (diff) | |
| download | ffmpeg-2521c55a5426425d8ba7a975392c9f16efbbe03b.tar.gz | |
avformat/rmdec: Check for EOF in index packet reading
Fixes: Timeout(>10sec -> 1ms)
Fixes: 27284/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6304211110985728
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 ebf4bc629e6d0dbb4bb6725849bdd06456e4c8af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/rmdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index c44e4c400a..78a228b007 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -457,6 +457,8 @@ static int rm_read_index(AVFormatContext *s) } for (n = 0; n < n_pkts; n++) { + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; avio_skip(pb, 2); pts = avio_rb32(pb); pos = avio_rb32(pb); |