| From e7e5114c506957f40aafd794e06de1a7e341e9d5 Mon Sep 17 00:00:00 2001 |
| From: Michael Niedermayer <michaelni@gmx.at> |
| Date: Fri, 3 Oct 2014 19:33:01 +0200 |
| Subject: [PATCH] avcodec/cinepak: fix integer underflow |
| |
| (Upstream commit e7e5114c506957f40aafd794e06de1a7e341e9d5) |
| |
| Fixes out of array access |
| Fixes: asan_heap-oob_4da0ba_6_asan_heap-oob_4da0ba_241_cvid_crash.avi |
| |
| Upstream-status: Backport |
| |
| Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind |
| Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
| Signed-off-by: Yue Tao <yue.tao@windriver.com> |
| --- |
| libavcodec/cinepak.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c |
| index 4746289..f651c48 100644 |
| --- a/gst-libs/ext/libav/libavcodec/cinepak.c |
| +++ b/gst-libs/ext/libav/libavcodec/cinepak.c |
| @@ -125,7 +125,7 @@ static int cinepak_decode_vectors (CinepakContext *s, cvid_strip *strip, |
| const uint8_t *eod = (data + size); |
| uint32_t flag, mask; |
| cvid_codebook *codebook; |
| - unsigned int x, y; |
| + int x, y; |
| uint32_t iy[4]; |
| uint32_t iu[2]; |
| uint32_t iv[2]; |
| -- |
| 1.7.9.5 |
| |