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avformat/img2dec: Fix probe_buffer leak in ff_img_read_header()

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Fixes: memleak
Fixes: 15171/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5683881644130304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-06-12 21:20:04 +02:00
parent 5ea7f20500
commit bd3672ba75
1 changed files with 1 additions and 0 deletions
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libavformat/img2dec.c
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@ -356,6 +356,7 @@ int ff_img_read_header(AVFormatContext *s1)
}
if (s1->flags & AVFMT_FLAG_CUSTOM_IO) {
avio_seek(s1->pb, 0, SEEK_SET);
av_freep(&probe_buffer);
} else
ffio_rewind_with_probe_data(s1->pb, &probe_buffer, probe_buffer_size);
}