Re: [v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Ido Schimmel
On Fri, Jul 28, 2017 at 08:04:37PM +0200, Michał Mirosław wrote: > On Fri, Jul 28, 2017 at 08:36:02PM +0300, Ido Schimmel wrote: > > On Fri, Jul 28, 2017 at 10:28:16AM -0700, Cong Wang wrote: > > > On Fri, Jul 28, 2017 at 9:43 AM, Ido Schimmel wrote: > > > > On Fri, Jul 28, 2017 at 06:00:47PM +020

Re: [v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Michał Mirosław
On Fri, Jul 28, 2017 at 08:36:02PM +0300, Ido Schimmel wrote: > On Fri, Jul 28, 2017 at 10:28:16AM -0700, Cong Wang wrote: > > On Fri, Jul 28, 2017 at 9:43 AM, Ido Schimmel wrote: > > > On Fri, Jul 28, 2017 at 06:00:47PM +0200, Michał Mirosław wrote: > > >> Dear NetDevs, > > >> > > >> Before I go

Re: [v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Ido Schimmel
On Fri, Jul 28, 2017 at 10:28:16AM -0700, Cong Wang wrote: > On Fri, Jul 28, 2017 at 9:43 AM, Ido Schimmel wrote: > > On Fri, Jul 28, 2017 at 06:00:47PM +0200, Michał Mirosław wrote: > >> Dear NetDevs, > >> > >> Before I go to bisecting, have you seen a following NULL dereference, > >> yet? Where

Re: [v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Cong Wang
On Fri, Jul 28, 2017 at 9:43 AM, Ido Schimmel wrote: > On Fri, Jul 28, 2017 at 06:00:47PM +0200, Michał Mirosław wrote: >> Dear NetDevs, >> >> Before I go to bisecting, have you seen a following NULL dereference, >> yet? Where should I start looking? It is triggered by deleting netns >> (cut-dow

Re: [v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Ido Schimmel
On Fri, Jul 28, 2017 at 06:00:47PM +0200, Michał Mirosław wrote: > Dear NetDevs, > > Before I go to bisecting, have you seen a following NULL dereference, > yet? Where should I start looking? It is triggered by deleting netns > (cut-down script attached - triggers every time). This was working

[v4.12 regression] netns: NULL deref in fib_sync_down_dev()

2017-07-28 Thread Michał Mirosław
Dear NetDevs, Before I go to bisecting, have you seen a following NULL dereference, yet? Where should I start looking? It is triggered by deleting netns (cut-down script attached - triggers every time). This was working correctly under v4.11.x. Best Regards, Michał Mirosław [1097925.958758] et