lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 20 Oct 2017 07:15:48 +0100 (WEST) From: David Miller <davem@...emloft.net> To: mgamal@...hat.com Cc: netdev@...r.kernel.org, skhare@...are.com, pv-drivers@...are.com, linux-kernel@...r.kernel.org, cavery@...hat.com, otubo@...hat.com, vkuznets@...hat.com Subject: Re: [PATCH] vmxnet3: Use correct minimum MTU value From: Mohammed Gamal <mgamal@...hat.com> Date: Tue, 17 Oct 2017 16:33:43 +0200 > Currently the vmxnet3 driver has a minimum MTU value of 60. Which > goes against the RFC791 spec which specifies it at 68. > > Setting MTU to values between 60 <= MTU <= 67 causes the network > interface to lose its IP, and it fails to restart. > > This sets the minimum value to ETH_MIN_MTU (68) which is compatible > with is according to spec. > > Reported-by: Bo Yang <boyang@...hat.com> > Signed-off-by: Mohammed Gamal <mgamal@...hat.com> There are protocols other than IPv4, and as Andrew mentioned the ipv4 stack does the right thing by disabling ipv4 on an interface when the MTU is too small.
Powered by blists - more mailing lists