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authorMichael Niedermayer <michaelni@gmx.at>2012-10-14 21:45:42 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-14 21:45:42 +0200
commit93ef29b6f47eda7d73eb9e71628f1f1abb64266d (patch)
tree622eaa450150969d30cd90567e3eb3696123344c /libavcodec/noise_bsf.c
parentc73b1a1d8010dac29653b41d39af9c18247179c3 (diff)
downloadffmpeg-93ef29b6f47eda7d73eb9e71628f1f1abb64266d.tar.gz
noise_bsf: fix division by 0
Fixes CID733737 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/noise_bsf.c')
-rw-r--r--libavcodec/noise_bsf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/noise_bsf.c b/libavcodec/noise_bsf.c
index 1cab3e1dba..763af791cb 100644
--- a/libavcodec/noise_bsf.c
+++ b/libavcodec/noise_bsf.c
@@ -32,6 +32,9 @@ static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const ch
int amount= args ? atoi(args) : (*state % 10001+1);
int i;
+ if(amount <= 0)
+ return AVERROR(EINVAL);
+
*poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);