Re: [patch net] net: fix ifindex collision during namespace removal

2019-07-29 Thread David Miller
From: Jiri Pirko Date: Sun, 28 Jul 2019 14:56:36 +0200 > From: Jiri Pirko > > Commit aca51397d014 ("netns: Fix arbitrary net_device-s corruptions > on net_ns stop.") introduced a possibility to hit a BUG in case device > is returning back to init_net and two following conditions are met: > 1) d

[patch net] net: fix ifindex collision during namespace removal

2019-07-28 Thread Jiri Pirko
From: Jiri Pirko Commit aca51397d014 ("netns: Fix arbitrary net_device-s corruptions on net_ns stop.") introduced a possibility to hit a BUG in case device is returning back to init_net and two following conditions are met: 1) dev->ifindex value is used in a name of another "dev%d" device in i