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Date: Sat, 14 May 2016 15:34:55 -0400 (EDT) From: David Miller <davem@...emloft.net> To: pabeni@...hat.com Cc: netdev@...r.kernel.org, kuznet@....inr.ac.ru, hannes@...essinduktion.org Subject: Re: [PATCH net] net/route: enforce hoplimit max value From: Paolo Abeni <pabeni@...hat.com> Date: Fri, 13 May 2016 18:33:41 +0200 > Currently, when creating or updating a route, no check is performed > in both ipv4 and ipv6 code to the hoplimit value. > > The caller can i.e. set hoplimit to 256, and when such route will > be used, packets will be sent with hoplimit/ttl equal to 0. > > This commit adds checks for the RTAX_HOPLIMIT value, in both ipv4 > ipv6 route code, substituting any value greater than 255 with 255. > > This is consistent with what is currently done for ADVMSS and MTU > in the ipv4 code. > > Signed-off-by: Paolo Abeni <pabeni@...hat.com> Applied, thanks for fixing this.
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