1. ffmpeg
  2. Commit 037b1142cde54e64c8de2a5fd79c259a36b5e244
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wma: Check channel number before init. Fixes Ticket240

Based on patch by ami_stuff
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 20431a9982b9bd2c475042d919890a941ad70c71)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Michael Niedermayer authored on 2011/11/16 11:31:25
Showing 1 changed files
libavcodec/wmadec.c
History View file @ 037b114
... ... 
@@ -105,6 +105,11 @@ static int wma_decode_init(AVCodecContext * avctx)
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     s->use_bit_reservoir = flags2 & 0x0002;
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     s->use_variable_block_len = flags2 & 0x0004;
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+    if(avctx->channels > MAX_CHANNELS){
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+        av_log(avctx, AV_LOG_ERROR, "Invalid number of channels (%d)\n", avctx->channels);
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+        return -1;
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+    }
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+
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     if(ff_wma_init(avctx, flags2)<0)
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         return -1;
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