From bd46e78aa4e7fe003f647491c475f6b1a56d1743 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 25 May 2015 05:31:26 +0200 Subject: [PATCH] avcodec/put_bits: Assert that size in set_put_bits_buffer_size() does not cause integer overflows Signed-off-by: Michael Niedermayer --- libavcodec/put_bits.h | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/put_bits.h b/libavcodec/put_bits.h index 1a6f0afaa8..5b1bc8b8b7 100644 --- a/libavcodec/put_bits.h +++ b/libavcodec/put_bits.h @@ -252,6 +252,7 @@ static inline void skip_put_bits(PutBitContext *s, int n) */ static inline void set_put_bits_buffer_size(PutBitContext *s, int size) { + av_assert0(size <= INT_MAX/8 - 32); s->buf_end = s->buf + size; s->size_in_bits = 8*size; }