From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79D793DB89 for ; Sun, 7 Jul 2024 15:49:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720367376; cv=none; b=hEhmlhVf48kf7HhsvoK0K5SKXCjvwG7af+aqr/NVJNSkgxziipMZYGUwlbiZJuJjdgiXTwpqhm1O25ltIzg8ILkWiOBRhwZhRCGMPbHCetzF5tbcJgaPD20YtB+HfGCvM2YjiURiLcR6+IqjQzsa+4u1tJxBLiWvxmd4tXnd3bA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720367376; c=relaxed/simple; bh=yBrCkdYFiQ2guIUbAEfOCogNE20QT+kpPkdWnqKvAcc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=uKaJZNQpZfEAbsysyl37xkA6p+yOP1ikOuGxkVrSdBkiLiqcDm7JSCUuzeNeMEaKTHOzG8Hu3r8Ne8JT2SQFgoJHoh7SXtuFHl+R8sCkY7u6bDD0jN78yQZfca+9t8C4bQeBT1nzJ4j5bDn/YZcsD2B1ZVbbyuaEUHITJyJyG70= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=YFs08Mjh; arc=none smtp.client-ip=209.85.167.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YFs08Mjh" Received: by mail-lf1-f49.google.com with SMTP id 2adb3069b0e04-52e9a550e9fso3583854e87.0 for ; Sun, 07 Jul 2024 08:49:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1720367372; x=1720972172; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=5Sc4sSS8LNOhoLq1ww6yWKbh4XfmWNwcSuCrYKpnUak=; b=YFs08MjhjC9WQjYSeTX+BK416/YcQKDL5lL6B7i4Aow8uMDawozIGcVjpLMivDKBEC 1rSBraieBnZFN2nSSzfNQ+JGmby+sezZJAEYe1o3X3znOHHFSOSsKB2zkj/Xtax258Df P8FEu1f53OxDOM3LBygKA+oDUSxfsdbRQjMo/XNHzE8tYGAQWDsNgf9tW7rnWQ5X9P3G 0avposLp59ZnMWF1FPzMFN2dfenO7nrZjnTtBXNZYKJYg262BqdCDmfBPPwigQYCzMvk tW5xc50ApwfNKNHlz3XELcFfhzPXjWZW61IwCVi6ddYcg6lCoAMZ+UOyEiPmXm/gUVz5 f/lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720367372; x=1720972172; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=5Sc4sSS8LNOhoLq1ww6yWKbh4XfmWNwcSuCrYKpnUak=; b=aqe9E/DwGMbsIh0ayW6AtBDy7Oyd4atUtP0k9DLNZulArJQPLQjTRZCjzHUe8JmZ0C gXoAw3fwNjyx/jC89FG7tBFXbh0joFJXJG0cIkbJ5v8ITsKpG1vPPr1Bvq2Mxw7L6TP0 7n8X52D6yZZJHAQ9vlsb0QRYkJrob4JGhec0G+KD8y7BW+vCdvyRa1aeo1O99XK3jz91 jiOGz7ni09xN3JHeCwkPfM0K2a1wj/4S0HGAQSlsHjMdlhavVswaV00N8IgP/tPYJF5t y1u3OKqDt+BQnUKRW4LqDFoDpss/p9gInuAAGANMV2OhrZwKmuK2vsyxT+42wDBUWLgM zYrA== X-Forwarded-Encrypted: i=1; AJvYcCWhYIjqt58LgEr+2fKPxs1pQ6N64JoJubhApd+pGBAYxhcak1s3AyqeMZPF9yClBSudoCnVXxpYFxwkGkPkpxR4CRDx7/Gr X-Gm-Message-State: AOJu0YwdEPcIYE2P/0u0sQS5E/Y4kxZtMVHM54PZJu5LHiMd09vmGS5q oz+YAicnis7TNzWfXsfokSdlRjD891j8RuZhemRYsWQYw9PWIaPWejcyUg== X-Google-Smtp-Source: AGHT+IFqiVz5/LUi/KtlChey5M6DbTJpoplFFFbu46AsYMAX2G46/L6T8/sNXiPcZf6Gzlx3seapOA== X-Received: by 2002:a05:6512:1149:b0:52c:ccb3:71f7 with SMTP id 2adb3069b0e04-52ea0de40c3mr3836792e87.9.1720367372206; Sun, 07 Jul 2024 08:49:32 -0700 (PDT) Received: from lnb1191fv.rasu.local (95-37-1-112.dynamic.mts-nn.ru. [95.37.1.112]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52eb10e19aasm121791e87.36.2024.07.07.08.49.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jul 2024 08:49:31 -0700 (PDT) From: Maks Mishin X-Google-Original-From: Maks Mishin To: Stephen Hemminger Cc: Maks Mishin , netdev@vger.kernel.org Subject: [PATCH] iproute_lwtunnel: Add check for result of get_u32 function Date: Sun, 7 Jul 2024 18:49:28 +0300 Message-Id: <20240707154928.20090-1-maks.mishinFZ@gmail.com> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Signed-off-by: Maks Mishin --- ip/iproute_lwtunnel.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ip/iproute_lwtunnel.c b/ip/iproute_lwtunnel.c index b4df4348..2946fa4d 100644 --- a/ip/iproute_lwtunnel.c +++ b/ip/iproute_lwtunnel.c @@ -1484,7 +1484,8 @@ static int parse_encap_seg6local(struct rtattr *rta, size_t len, int *argcp, NEXT_ARG(); if (hmac_ok++) duparg2("hmac", *argv); - get_u32(&hmac, *argv, 0); + if (get_u32(&hmac, *argv, 0) || hmac == 0) + invarg("\"hmac\" value is invalid\n", *argv); } else { continue; } -- 2.30.2