From patchwork Wed Mar 10 01:05:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Rheinhardt X-Patchwork-Id: 26297 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 96B0644B4D6 for ; Wed, 10 Mar 2021 03:34:27 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6A17A68A862; Wed, 10 Mar 2021 03:34:27 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 110DD687FE1 for ; Wed, 10 Mar 2021 03:34:21 +0200 (EET) Received: by mail-lf1-f47.google.com with SMTP id v9so30650164lfa.1 for ; Tue, 09 Mar 2021 17:34:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references:reply-to :mime-version:content-transfer-encoding; bh=zOIevLeFWMeCaI4BwvAmYpB7S4SVawKFX/6TB3vfLnc=; b=RSXE6aO1F/3h/m0oDJpmyD8k8hWRowfgzblh6AX5Dx18tJxnucPY1lXxT7qsevgCS9 o3KYmPQSdCqpHk2PnTzTwhOvB6/mjT9l9h5cNLSAzgNISzUXjoh9MmfydOojIL59Bgm9 Z2gtD1W7iQGXqPxTAYVOilA8KdNfAt2ijc/WTjrYPiERBeykkQLW3S0u1+dhAkG4dcZA XSJNCdngxc36OTG3WutuGYQgydVd1nKGdBcITzEo+g080EBkLBFjCA6/MCT2Vjdlw9iA bjX3Y3MUycrPF1IslZQHiyCDB74kr/Tv4ThYVUzxU07sUU4oLrggTQbDkuQGtw/JB2bS MOBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:reply-to:mime-version:content-transfer-encoding; bh=zOIevLeFWMeCaI4BwvAmYpB7S4SVawKFX/6TB3vfLnc=; b=YzT3FcWCpaAtP+oIObkW7T/i8frO6xwE64g58F1LvwvpRl/1LynT4jxDWX8tFrnGBK dxBvBUhVts5/AlGGVAc8UaDBjoGrNd/mOIgnC1Vwl1hl21QR784qM0Dfg92hI4ltcex3 Nc7vrD65tD9bAk9UPEEqfNQpfUHy3M9gCn1Lh7v0y05FaDcIyMCttZV9o1jRjdr3r1oO tObnrZRHQjvNzLDE1IaP43TaMF1zS+C7OZqgKF2+1qajtMQWfmmtaKjMF+PThPGj8afA 4VrsSEmKjp9ecDDiCtNkl7qyJLVjKIxlcdoLssa0MYdYNlOTSbsw83/61mjSHvdv2b2K 2YEw== X-Gm-Message-State: AOAM533I8Bi3RnVgjhEAEvCFuo5pj+mmJSXRMaLn5jk+ZyUKyUTK8pt7 OsZBwc5BgH4giUJvlZpqORVg2sdKuso= X-Google-Smtp-Source: ABdhPJzdvCHbHHRPUdV7VZdk8XLpcr0EDZFcyPu5E3XMSHjo7Hop4+siG4qY76Agyq/8cWdXPksaBA== X-Received: by 2002:a17:907:2075:: with SMTP id qp21mr805673ejb.451.1615338395013; Tue, 09 Mar 2021 17:06:35 -0800 (PST) Received: from sblaptop.fritz.box (ipbcc1aa4b.dynamic.kabel-deutschland.de. [188.193.170.75]) by smtp.gmail.com with ESMTPSA id r13sm9960737edy.3.2021.03.09.17.06.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 17:06:34 -0800 (PST) From: Andreas Rheinhardt To: ffmpeg-devel@ffmpeg.org Date: Wed, 10 Mar 2021 02:05:57 +0100 Message-Id: <20210310010601.1142819-4-andreas.rheinhardt@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210310010601.1142819-1-andreas.rheinhardt@gmail.com> References: <20210310010601.1142819-1-andreas.rheinhardt@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 4/8] avutil/avstring: Limit string length in av_escape to range of int X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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: Andreas Rheinhardt Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Otherwise the caller can't distinguish the return value from an error. Signed-off-by: Andreas Rheinhardt --- libavutil/avstring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/avstring.c b/libavutil/avstring.c index e33d4aac51..832bec750f 100644 --- a/libavutil/avstring.c +++ b/libavutil/avstring.c @@ -337,7 +337,7 @@ int av_escape(char **dst, const char *src, const char *special_chars, { AVBPrint dstbuf; - av_bprint_init(&dstbuf, 1, AV_BPRINT_SIZE_UNLIMITED); + av_bprint_init(&dstbuf, 1, INT_MAX); /* (int)dstbuf.len must be >= 0 */ av_bprint_escape(&dstbuf, src, special_chars, mode, flags); if (!av_bprint_is_complete(&dstbuf)) {