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Subject: Re: KASAN+netlink, was: [PATCH] [net-next?] hns: avoid stack
 overflow with CONFIG_KASAN
From: Johannes Berg <johannes@sipsolutions.net>
To: Arnd Bergmann <arnd@arndb.de>, David Miller <davem@davemloft.net>,
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Date: Wed, 08 Feb 2017 13:24:25 +0100
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On Wed, 2017-02-08 at 13:03 +0100, Arnd Bergmann wrote:
> 
> - Moving nla_put_{u8,u16,u32} out of line is probably uncontroversial
> and
>   it helps enough with br_netlink.c, but nl820211 is worse and needs
> some
>   additional fiddling.

Why would that not be sufficient by itself for nl80211?

Btw, what's causing this to start with? Can't the compiler reuse the
stack places?

johannes