Re: [linux-next] Kernel panic while tetsing criu

2018-08-16 Thread Andrey Vagin
On Thu, Aug 16, 2018 at 06:18:35PM +0300, Cyrill Gorcunov wrote: > On Thu, Aug 16, 2018 at 09:51:36AM -0500, Eric W. Biederman wrote: > ... > > > > That patch is incorrect as it misses the rcu_read_unlock. > > > > > > p.s. Andrew noticed the problem and asked me to notify, > > > also he has been t

Re: [linux-next] Kernel panic while tetsing criu

2018-08-16 Thread Cyrill Gorcunov
On Thu, Aug 16, 2018 at 09:51:36AM -0500, Eric W. Biederman wrote: ... > > That patch is incorrect as it misses the rcu_read_unlock. > > > > p.s. Andrew noticed the problem and asked me to notify, > > also he has been testing this oneliner patch. I'm out > > of sources at the moment but I think An

Re: [linux-next] Kernel panic while tetsing criu

2018-08-16 Thread Eric W. Biederman
Cyrill Gorcunov writes: > Hi Eric! We're regularly running criu on linux-next and today > kernel get panicing. > --- > [ 753.478579] BUG: unable to handle kernel NULL pointer dereference at > 06a8 > [ 753.479674] PGD 80011215f067 P4D 80011215f067 PUD 1134a8067 PMD 0 > [ 75

[linux-next] Kernel panic while tetsing criu

2018-08-16 Thread Cyrill Gorcunov
Hi Eric! We're regularly running criu on linux-next and today kernel get panicing. --- [ 753.478579] BUG: unable to handle kernel NULL pointer dereference at 06a8 [ 753.479674] PGD 80011215f067 P4D 80011215f067 PUD 1134a8067 PMD 0 [ 753.480590] Oops: [#1] SMP PTI [ 753