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Date: Mon, 5 Jun 2023 11:58:49 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Gal Pressman <gal@...dia.com>, espeer@...il.com Cc: David Ahern <dsahern@...il.com>, netdev <netdev@...r.kernel.org>, Andrew Gospodarek <andrew.gospodarek@...adcom.com>, Michael Chan <michael.chan@...adcom.com>, Stephen Hemminger <stephen@...workplumber.org>, Michal Kubecek <mkubecek@...e.cz> Subject: Re: [PATCH net-next 1/4] netlink: truncate overlength attribute list in nla_nest_end() [Updating Edwin's email.] On Mon, 5 Jun 2023 10:28:06 +0300 Gal Pressman wrote: > On 26/01/2021 19:51, Edwin Peer wrote: > > On Mon, Jan 25, 2021 at 8:56 PM David Ahern <dsahern@...il.com> wrote: > > > >> I'm not a fan of the skb trim idea. I think it would be better to figure > >> out how to stop adding to the skb when an attr length is going to exceed > >> 64kB. Not failing hard with an error (ip link sh needs to succeed), but > >> truncating the specific attribute of a message with a flag so userspace > >> knows it is short. > > > > Absent the ability to do something useful in terms of actually > > avoiding the overflow [1], I'm abandoning this approach entirely. I > > have a different idea that I will propose in due course. > > > > [1] https://marc.info/?l=linux-netdev&m=161163943811663 > > > > Regards, > > Edwin Peer > > Hello Edwin, > > I'm also interested in getting this issue resolved, have you had any > progress since this series? Are you still working on it?
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