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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-04 01:06:47 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-17 21:34:53 +0200 |
| commit | faf492237d1f5c907b5d51e745c737f12a9f94ab (patch) | |
| tree | 896c04a41cd05aab06f625d76a0edb167bb32bf9 | |
| parent | 9d6c492479f7e8e8c02f491dac62bd76c5e2a3b7 (diff) | |
| download | ffmpeg-faf492237d1f5c907b5d51e745c737f12a9f94ab.tar.gz | |
avformat/mpegts: Limit copied data to space
Fixes: out of array access
Fixes: 26816/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-6282861159907328.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 79cf7c71910a69b9f22b3e7ee6508a771262abaf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mpegts.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 4db526d330..d6a4ef0203 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2638,7 +2638,7 @@ static int mpegts_raw_read_packet(AVFormatContext *s, AVPacket *pkt) return ret; } if (data != pkt->data) - memcpy(pkt->data, data, ts->raw_packet_size); + memcpy(pkt->data, data, TS_PACKET_SIZE); finished_reading_packet(s, ts->raw_packet_size); if (ts->mpeg2ts_compute_pcr) { /* compute exact PCR for each packet */ |