From patchwork Fri Jan 26 09:13:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Plowman X-Patchwork-Id: 45839 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:1b0f:b0:199:de12:6fa6 with SMTP id ch15csp176112pzb; Fri, 26 Jan 2024 01:13:37 -0800 (PST) X-Google-Smtp-Source: AGHT+IHjNO06CGZebX8O+GIvo/ffTGXpiFOs7Qh1qbZ+7Ph07fZtCwvw4fMiOU4uEsSNu3qQpcqt X-Received: by 2002:a05:6402:54e:b0:55c:4288:bb9c with SMTP id i14-20020a056402054e00b0055c4288bb9cmr1135585edx.1.1706260417466; Fri, 26 Jan 2024 01:13:37 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id a8-20020a05640213c800b0055c2fe82d07si444629edx.51.2024.01.26.01.13.36; Fri, 26 Jan 2024 01:13:37 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@frankplowman.com header.s=zmail header.b=Ggo1ByQg; arc=fail (body hash mismatch); spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 48ABC68CEE5; Fri, 26 Jan 2024 11:13:33 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from sender11-op-o12.zoho.eu (sender11-op-o12.zoho.eu [31.186.226.226]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id C51B268C2FE for ; Fri, 26 Jan 2024 11:13:26 +0200 (EET) Delivered-To: post@frankplowman.com ARC-Seal: i=1; a=rsa-sha256; t=1706260403; cv=none; d=zohomail.eu; s=zohoarc; b=az10P44vQwuoFlVg0qa/oSLVyNNNrkcdhwULMc33SmUR/B76Fmy3sTrcKKD6+/cyvfqdX5rdI33xZq5WEOQfLs4KdWL8u35KGNxSqXfBAEuhBHMUj0ULQFyE5UCva2h4qUSdeiEF9T5p6y72bl76sEpl0so7YWE44WMqa5/4qvQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1706260403; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=0rRPa5h07HHZ2Zv9QpmfQ45khsRA+OD1t6YW39dDKjk=; b=asILeaFHlfn8yqojzU20VjHYWMolN2qalGxV/PrswqCyat5+R5vnnewt3nBih8C0jL/uCtnr8yZGVUNGfJLKeeSYsuwH2WlrmtMKxOk/2uHYSVO6H1tIqHjFZIuOMbeQDGHeCtsaPJRUS4H2FjzODj4huisiz01A5XeINq6GrMs= ARC-Authentication-Results: i=1; mx.zohomail.eu; dkim=pass header.i=frankplowman.com; spf=pass smtp.mailfrom=post@frankplowman.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1706260403; s=zmail; d=frankplowman.com; i=post@frankplowman.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=0rRPa5h07HHZ2Zv9QpmfQ45khsRA+OD1t6YW39dDKjk=; b=Ggo1ByQgswSNVEWRrOcLNPKi665YRcOpQ26r8Rdro25axbN+yHDFH3JL3bN81ieO rcz2rF3e8GbzJlsOE/83xaGMRjdg/KSjop4zNKUg7QGVIhJqcrO6WkcDJe1QpxDMKuc k/e8YDgsX7+GQnVgfCcHubVvvhb4XtxXidWe5YGI= Received: from localhost.localdomain (frankplowman.com [51.89.148.29]) by mx.zoho.eu with SMTPS id 1706260403047696.483128686835; Fri, 26 Jan 2024 10:13:23 +0100 (CET) From: post@frankplowman.com To: ffmpeg-devel@ffmpeg.org Date: Fri, 26 Jan 2024 09:13:13 +0000 Message-ID: <20240126091313.85991-1-post@frankplowman.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-ZohoMailClient: External Subject: [FFmpeg-devel] [PATCH] lavc/vvc: Clamp shift RHS 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 Cc: Frank Plowman Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: es/722EcuRJJ From: Frank Plowman Resolves the following undefined behavior sanitiser error: runtime error: shift exponent 32 is too large for 32-bit type 'int' Signed-off-by: Frank Plowman --- libavcodec/vvc/vvc_intra_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vvc/vvc_intra_template.c b/libavcodec/vvc/vvc_intra_template.c index 9fb47549d5..a078885266 100644 --- a/libavcodec/vvc/vvc_intra_template.c +++ b/libavcodec/vvc/vvc_intra_template.c @@ -969,7 +969,7 @@ static void FUNC(pred_angular_h)(uint8_t *_src, const uint8_t *_top, const uint8 int pos = (1 + ref_idx) * intra_pred_angle; int wt; if (need_pdpc) - wt = (32 >> ((y * 2) >> nscale)); + wt = (32 >> FFMIN(31, (y * 2) >> nscale)); for (int x = 0; x < w; x++) { const int idx = (pos >> 5) + ref_idx;