From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) (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 63BF41E3796 for ; Tue, 5 Nov 2024 17:57:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730829433; cv=none; b=dXvF7YqZ41XXG0RJeWT23/pfOSxSiF8PI91lzEyEFiLLROSHpAPXoiWJ3bYwMcyYDqQtSYPZVmA53PpyJZSewsin3AYnutH44GShqDoohMB/VQw3pHGMDTDKZC2SmlQfvOk/epVQhQYZjxeRnIXd8gtLN+YM9hoaG5xwfipVvPQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730829433; c=relaxed/simple; bh=lI6Cvmz35c+RRQPDM4nQbYhgF2mFm63vJTkHrvli67Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HdrRT3xc9dQfdwVdr4WQSwa5xD9A4gAja2UVp5Nb3fI+ibTdcOXfK49/Ph0pGSvL+udkwFkBIPKQWxSNwVSXU54w5MbG13vLcq0qEhhTVwwl5v2dpLNWUssTq2oie2GheLBJ7CBzzsk9fw66HnRol5eCvzG/S8ugXNdprm+8hlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fastly.com; spf=pass smtp.mailfrom=fastly.com; dkim=pass (1024-bit key) header.d=fastly.com header.i=@fastly.com header.b=o2Lx1fHu; arc=none smtp.client-ip=209.85.216.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fastly.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fastly.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=fastly.com header.i=@fastly.com header.b="o2Lx1fHu" Received: by mail-pj1-f47.google.com with SMTP id 98e67ed59e1d1-2e2e050b1c3so49156a91.0 for ; Tue, 05 Nov 2024 09:57:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastly.com; s=google; t=1730829432; x=1731434232; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references :mail-followup-to:message-id:subject:cc:to:from:date:from:to:cc :subject:date:message-id:reply-to; bh=hq7q3zsR5CyhS7BrsMhgjqKSqADIzDIIYZpbrb/zwLA=; b=o2Lx1fHuvXd2mBk1BOnmAIZEt2HQgV6bgxv6IhCyILhmwshUOLPu8/OQ1OH8u1OHXp GQIum1rkGaspWgAQu/Oxm16PgQ9P7BtFUMBZBAoSCnSQ02SS20PVNmz+HNRoxYuksd4r n83tbgHEGvDBZ7TWJ4+FGo5voani+sMhXzWEc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730829432; x=1731434232; h=in-reply-to:content-disposition:mime-version:references :mail-followup-to:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=hq7q3zsR5CyhS7BrsMhgjqKSqADIzDIIYZpbrb/zwLA=; b=Z/dZTUYcq61aqInKFQMK2phpxuCxQtzNwo19wbx+ImGhj03hMHzSP55rrRmjbuz7ma cQzRhM2LHOv6BRMCEX7oD27N5F88JR9LvCQdaLwadzPZ34WRgox4kIjXj2f/+6G8v9uf on0fZ4mIQPRH3rETgsq/T+8bK12xhxqRGbwkA4RmIgCdc7Y9vnbj/FN0OjeDjFjWXinP TN/+/xYF386KGZqR9qvA4pYEfFwjDMu390GCNMzRptbQKifvwQw9vCyWp4JA983/8TDv YDpgQ5zxOoEU6qulcV/vql09K+aEAXkike8yei6IW4ExROrGCFUuyvw3uTZsL6dBqcCZ N2xg== X-Forwarded-Encrypted: i=1; AJvYcCXciT54/pFP9IAkDvDNyxsx0bkEgR6fHex0DfbA2h/0K1VNrSn9TKQ5SPCe3/DCtZgC2NJWGiE=@vger.kernel.org X-Gm-Message-State: AOJu0YzTdgmDMAQJmyUSJqxO61XqvhQbr8PYJpV9Ic9evl+ppwGm0BpS 49FSaRzENOMcnq1fj8GTou/Xub8BhD/hL/s3D4dJkCpp8FDmaSmRdv8Vcgty62w= X-Google-Smtp-Source: AGHT+IGL6n+BzG3xEpM6uM7RFwatUDWd9Th9mFOTVgSjl8wDMVahg6HBe83hLnzp6+zCgfXe+e3I+Q== X-Received: by 2002:a17:90b:3147:b0:2e2:b94a:b6a9 with SMTP id 98e67ed59e1d1-2e94b7c6439mr27425744a91.0.1730829431583; Tue, 05 Nov 2024 09:57:11 -0800 (PST) Received: from LQ3V64L9R2 (c-24-6-151-244.hsd1.ca.comcast.net. [24.6.151.244]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e93db17b0dsm10034272a91.42.2024.11.05.09.57.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2024 09:57:11 -0800 (PST) Date: Tue, 5 Nov 2024 09:57:08 -0800 From: Joe Damato To: Eric Dumazet Cc: "David S . Miller" , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH net-next 2/7] net: add debug check in skb_reset_inner_transport_header() Message-ID: Mail-Followup-To: Joe Damato , Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, eric.dumazet@gmail.com References: <20241105174403.850330-1-edumazet@google.com> <20241105174403.850330-3-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241105174403.850330-3-edumazet@google.com> On Tue, Nov 05, 2024 at 05:43:58PM +0000, Eric Dumazet wrote: > Make sure (skb->data - skb->head) can fit in skb->inner_transport_header > > This needs CONFIG_DEBUG_NET=y. > > Signed-off-by: Eric Dumazet > --- > include/linux/skbuff.h | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Reviewed-by: Joe Damato