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ape: check that number of seektable entries is equal to number of frames

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fixes issue2480

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Kostya Shishkov
2011-04-01 09:26:38 +02:00
committed by Anton Khirnov
parent e006d71fa8
commit 29a290439b
1 changed files with 5 additions and 0 deletions
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5
libavformat/ape.c
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@@ -250,6 +250,11 @@ static int ape_read_header(AVFormatContext * s, AVFormatParameters * ap)
av_log(s, AV_LOG_ERROR, "Too many frames: %d\n", ape->totalframes); av_log(s, AV_LOG_ERROR, "Too many frames: %d\n", ape->totalframes);
return -1; return -1;
} }
if (ape->seektablelength && (ape->seektablelength / sizeof(*ape->seektable)) < ape->totalframes) {
av_log(s, AV_LOG_ERROR, "Number of seek entries is less than number of frames: %d vs. %d\n",
ape->seektablelength / sizeof(*ape->seektable), ape->totalframes);
return AVERROR_INVALIDDATA;
}
ape->frames = av_malloc(ape->totalframes * sizeof(APEFrame)); ape->frames = av_malloc(ape->totalframes * sizeof(APEFrame));
if(!ape->frames) if(!ape->frames)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);