From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id B58A34C908 for ; Wed, 14 Aug 2024 01:08:36 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id F38B768DA6B; Wed, 14 Aug 2024 04:08:32 +0300 (EEST) Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3E21B68D582 for ; Wed, 14 Aug 2024 04:08:27 +0300 (EEST) Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-1fd640a6454so47237765ad.3 for ; Tue, 13 Aug 2024 18:08:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723597704; x=1724202504; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=XnRFKUyaw2e1GcM+QzLWOWOMadSNnWzBnkpgO3unK0M=; b=ILxz87KpBSuZiLc/p5LoAkrsgki8f8cniDFdGvzBW7mEf9bNnXfW5uhTpXPj5Oy8mN BM8Fj/kw84avXO9MPTT9BEZ0BZpLnnawqhLVSm+HHBsXhIKgrQKHGDbqfOkhPm7yETi8 sC/b2hzj/Elq9r1zu/F6T6EusxM6RJfPVD/jslSrlRwLlo9fFIgOmuHrw7IOC7Py4a6e wpq+yY+HlUfieToxtMFGWo8M0cmietx8MxvIX/izlxb7ku+7ypFn2i+jk21P2V+ZuVG0 UQYcRlZNqLa0YL457JuI3EPfX4bnI9DElXecYD3QE7LMx7zsVfd5TYuSmiIxt/1W0mUS e7sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723597704; x=1724202504; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XnRFKUyaw2e1GcM+QzLWOWOMadSNnWzBnkpgO3unK0M=; b=t6jgAm8h1MxnB20F5HDkfw+ebMa5R3YPXVhSjo6gxSscUPZSn/gK0rgzKsUS6bGGdk HZUZ6+6sBAI/r6q7Rq4KpDROzy3OOYfDrqvTzUJexhb5cHW6t4wm8pbcsJ7kqO9RRsXb 4i/Mz+xtL0nzHgUqTxPVrxzn4EDL30keQ70jNEnEb/5LhhKIO2T083SgdJq4HjxrC+z5 Ia6HOkWZegKhVMfPUIscPxvRKzxUi7DuLWWxZhaZ5vqxvVdnYBQmD+hYEkgN3OAdSEkx LUoszx+K/5WjJ+l5yDhwf6V17QHz5PbZDvl47hxs6Dbo+GAHxR2d6xH5Of6BJXlF1pxt VZYw== X-Gm-Message-State: AOJu0Yxr01OAPHLPJikhfjcQw4lLKfA08QfRgSD86nPqbheahEMwixBe jaZz9cY09liZM3LfsB0mKY4ZJB6IEDd5TqcjuQr4GThBABhtonIZVmxpBA== X-Google-Smtp-Source: AGHT+IFJwpXoWr1T0N4+YyojIE36SC2zmgQUsXe9PsHM4lQf1X8owAj0cV6+V8LMeVnIJFmrYwEa8Q== X-Received: by 2002:a17:902:ecc5:b0:1fb:3b61:45aa with SMTP id d9443c01a7336-201d648cfa0mr17578505ad.40.1723597704047; Tue, 13 Aug 2024 18:08:24 -0700 (PDT) Received: from localhost.localdomain ([190.194.167.233]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-201cd1a9eabsm19370545ad.160.2024.08.13.18.08.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Aug 2024 18:08:23 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Tue, 13 Aug 2024 22:08:29 -0300 Message-ID: <20240814010829.33436-1-jamrial@gmail.com> X-Mailer: git-send-email 2.46.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/snowenc: sign extend a variable before shifting X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Fixes "libavcodec/snowenc.c:718:27: runtime error: left shift of 8509032 by 8 places cannot be represented in type 'int'" as seen in fate-vsynth2-snow-hpel under ubsan. Signed-off-by: James Almer --- libavcodec/snowenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index 0b87d751b8..eac81d0d7c 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -715,7 +715,7 @@ static int get_dc(SnowEncContext *enc, int mb_x, int mb_y, int plane_index) } *b= backup; - return av_clip_uint8( ROUNDED_DIV(ab<