From e0a08c833dd8fafa18f4f7133c2e81df22606ab5 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 8 Mar 2018 23:14:04 +0100 Subject: [PATCH] avformat/oggparseogm: Fix undefined shift in ogm_packet() Fixes: shift exponent 48 is too large for 32-bit type 'int' Fixes: Chromium bug 786793 Reported-by: Matt Wolenetz Reviewed-by: Matt Wolenetz Signed-off-by: Michael Niedermayer (cherry picked from commit 010b7b30b721b90993e05e9ee6338e88bb8debb3) Signed-off-by: Michael Niedermayer --- libavformat/oggparseogm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c index e7a501b5a7..4d09d174b8 100644 --- a/libavformat/oggparseogm.c +++ b/libavformat/oggparseogm.c @@ -181,7 +181,7 @@ ogm_packet(AVFormatContext *s, int idx) os->psize -= lb + 1; while (lb--) - os->pduration += p[lb+1] << (lb*8); + os->pduration += (uint64_t)p[lb+1] << (lb*8); return 0; }