From patchwork Wed Jul 31 22:37:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andriy Gelman X-Patchwork-Id: 14173 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 20E55449976 for ; Thu, 1 Aug 2019 01:44:01 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 06CC868071C; Thu, 1 Aug 2019 01:44:01 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-qt1-f195.google.com (mail-qt1-f195.google.com [209.85.160.195]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 69C886802C4 for ; Thu, 1 Aug 2019 01:43:54 +0300 (EEST) Received: by mail-qt1-f195.google.com with SMTP id n11so68202949qtl.5 for ; Wed, 31 Jul 2019 15:43:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AMzDs4bshllQB+a/pdNylpJUTM5P/hayrFF7goHCTi4=; b=KRmIzbmilGYXDfIJ+z4XyAtmsu80y0VOeVvJrsY+C44p3gVyjRKkgwQHgBcTVIW+R1 WI+CyY3GTvgP02MDCJpJGNZNVXPj53nsNsMHIYWWInXcgKDgZnHC6UDpfKnc/dndUXnx Vpgy6wGgaps0TxWiD91U2SmwFb1tiJ1uPzkx3jxB1yHEFYSvYrS3XWst5MWY+j+DOgjd uRuzMphhZdQd0L3UFKMhUPH32NQVBfEAhqDJei3Ej67T4OUKn0Q9kY+zTJBq1IWQm/q/ fSG5egn5O0g0d4sCsYkdE79b9Piby+Omlh2vLAO2zcRFhpnSeILLgnnvL2vkKUtbPZlv FCmg== 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:mime-version :content-transfer-encoding; bh=AMzDs4bshllQB+a/pdNylpJUTM5P/hayrFF7goHCTi4=; b=Igz9OD5FiNZv3CHtEpydQiOA6uLfHHihYGDQRRum9piYmi35FsOShMoQl/bgPyQAmi Z+tgW58mvn3HkM5jHVr157/tJtHExC7zWSV8Kb4Cl5KpKhx8nQnb6xOErmwK99ubREY4 hpSUHCMEdhITwqfeqe7MEBAp8a/i6CmINJs7Jj0wu/GPBvjBygEb9YP7EpHENX3FhaVt Ha2sqDhS3NdYhciPaYXCF4eimVaUw4NW/uSw68S+W3z3LIilhe8xYL/m0bnp6YZypyie 3TUwsIgxbeB81SFe8AB4pJbUtrDBNSg404YZO0GUjRbDUow3zIaby2paybsM2ufAu7ow ubvA== X-Gm-Message-State: APjAAAW9Hz9XYCyY0QMXTFT8/uydBLD/v8TV2tTC0m8JmZtqLWATtog7 u6b35iDfnTTK0hQe1LmQpkiqkQYZ X-Google-Smtp-Source: APXvYqw81LFnt1qD/MNobtu3+ycbUxucQdxoyxM6ACWPEU+ncQYn4bcu4ZRCObDLFJqNXG0mB4GhIA== X-Received: by 2002:aed:37e7:: with SMTP id j94mr81997023qtb.75.1564612681796; Wed, 31 Jul 2019 15:38:01 -0700 (PDT) Received: from localhost.localdomain (ip-184-209-45-235.spfdma.spcsdns.net. [184.209.45.235]) by smtp.gmail.com with ESMTPSA id r14sm32327698qke.47.2019.07.31.15.38.00 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 31 Jul 2019 15:38:01 -0700 (PDT) From: Andriy Gelman X-Google-Original-From: Andriy Gelman To: ffmpeg-devel@ffmpeg.org Date: Wed, 31 Jul 2019 18:37:55 -0400 Message-Id: <20190731223756.3970-1-andriy.gelman@gmail.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] lavfi/zmq: Avoid mem copy past the end of input buffer 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: Andriy Gelman Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Andriy Gelman --- libavfilter/f_zmq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/f_zmq.c b/libavfilter/f_zmq.c index 89da5bef06..744c721305 100644 --- a/libavfilter/f_zmq.c +++ b/libavfilter/f_zmq.c @@ -139,7 +139,7 @@ static int recv_msg(AVFilterContext *ctx, char **buf, int *buf_size) ret = AVERROR(ENOMEM); goto end; } - memcpy(*buf, zmq_msg_data(&msg), *buf_size); + memcpy(*buf, zmq_msg_data(&msg), *buf_size - 1); (*buf)[*buf_size-1] = 0; end: