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avformat/mp3dec: Check that the frame fits within the probe buffer 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e9a335150a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-11-07 21:16:32 +01:00
parent 1c24ab39b6
commit 3a91eb37c4
1 changed files with 1 additions and 1 deletions
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2
libavformat/mp3dec.c
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@ -91,7 +91,7 @@ static int mp3_read_probe(const AVProbeData *p)
header = AV_RB32(buf2); header = AV_RB32(buf2);
ret = avpriv_mpegaudio_decode_header(&h, header); ret = avpriv_mpegaudio_decode_header(&h, header);
if (ret != 0) if (ret != 0 || end - buf2 < h.frame_size)
break; break;
buf2 += h.frame_size; buf2 += h.frame_size;
framesizes += h.frame_size; framesizes += h.frame_size;