Date: Thu, 25 May 2017 01:05:29 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: Casey Schaufler <casey@...aufler-ca.com> Cc: HacKurx <hackurx@...il.com>, kernel-hardening@...ts.openwall.com, keescook@...gle.com Subject: Re: Patch for random mac address 2017-05-25 0:40 GMT+02:00 Casey Schaufler <casey@...aufler-ca.com>: > > @@ -262,6 +262,10 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd) > > case SIOCSIFHWADDR: > return dev_set_mac_address(dev, &ifr->ifr_hwaddr); > +#ifdef CONFIG_RANDOM_MAC_ADDRESS > + /* ignore userland MAC changes */ > + return 0; > +#endif I am not sure whether this code does what the comment advertises, but I bet that Kali-like distro users still would like to be able to change MAC, also such behavior should be documented in config section. Thank you for your involvement, please take a look at this article about preparing kernel patches in general (besides ml addresses most of it could apply here as well): https://www.kernel.org/doc/html/latest/process/submitting-patches.html Thanks, Lukas
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