Re: Kernel panic with user namespaces

2015-05-28 Thread Nikolay Borisov
Hi, I've run the attached test case on a clean 4.0 and 4.0 + the patch you referenced but in neither cases could I crash the kernel. All that was happening was for a new namespace to be created and bash executed in it and after some seconds I get logged out of the machine. But then I can log-in b

Re: Kernel panic with user namespaces

2015-05-27 Thread Eric W. Biederman
Josh Boyer writes: > On Tue, May 26, 2015 at 12:31 PM, Eric W. Biederman > wrote: >> Alexander Larsson writes: >> >>> On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: >>> >>> Didn't get any replies to the below kernel panic (testcase attached), >>> which seems rather important to fix

Re: Kernel panic with user namespaces

2015-05-27 Thread Josh Boyer
On Tue, May 26, 2015 at 12:31 PM, Eric W. Biederman wrote: > Alexander Larsson writes: > >> On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: >> >> Didn't get any replies to the below kernel panic (testcase attached), >> which seems rather important to fix. Reposting to a wider audience

Re: Kernel panic with user namespaces

2015-05-26 Thread Eric W. Biederman
Alexander Larsson writes: > On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: > > Didn't get any replies to the below kernel panic (testcase attached), > which seems rather important to fix. Reposting to a wider audience. Buggered backport greg already has the fix somewhere in his queu

Re: Kernel panic with user namespaces

2015-05-26 Thread Alexander Larsson
On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: Didn't get any replies to the below kernel panic (testcase attached), which seems rather important to fix. Reposting to a wider audience. > If I build and run the attached break-kernel.c as a user i get this > kernel panic on the fedora