Re: syzbot rcu/debugobjects warning

2018-03-26 Thread Guillaume Nault
On Sat, Mar 24, 2018 at 11:29:42PM -0700, Joel Fernandes wrote: > On Fri, Mar 23, 2018 at 1:41 PM, Thomas Gleixner wrote: > > On Fri, 23 Mar 2018, Joel Fernandes wrote: > >> On Fri, Mar 23, 2018 at 2:11 AM, Thomas Gleixner > >> wrote: > >> > On Thu, 22 Mar 2018, Joel Fernandes wrote: > >> Sorry.

Re: syzbot rcu/debugobjects warning

2018-03-24 Thread Joel Fernandes
On Fri, Mar 23, 2018 at 1:41 PM, Thomas Gleixner wrote: > On Fri, 23 Mar 2018, Joel Fernandes wrote: >> On Fri, Mar 23, 2018 at 2:11 AM, Thomas Gleixner wrote: >> > On Thu, 22 Mar 2018, Joel Fernandes wrote: >> Sorry. Here is the raw crash log: https://pastebin.com/raw/puvh0cXE >> (The kernel log

Re: syzbot rcu/debugobjects warning

2018-03-23 Thread Thomas Gleixner
On Fri, 23 Mar 2018, Joel Fernandes wrote: > On Fri, Mar 23, 2018 at 2:11 AM, Thomas Gleixner wrote: > > On Thu, 22 Mar 2018, Joel Fernandes wrote: > Sorry. Here is the raw crash log: https://pastebin.com/raw/puvh0cXE > (The kernel logs are toward the end with the above). And that is interesting:

Re: syzbot rcu/debugobjects warning

2018-03-23 Thread Joel Fernandes
On Fri, Mar 23, 2018 at 2:11 AM, Thomas Gleixner wrote: > On Thu, 22 Mar 2018, Joel Fernandes wrote: > >> Hi Paul, Thomas, >> >> I received a crash report from syzbot on the android 4.9 kernel and I >> am looking into it, it seems the debugobjects subsystem is warning >> that a certain RCU structu

Re: syzbot rcu/debugobjects warning

2018-03-23 Thread Thomas Gleixner
On Thu, 22 Mar 2018, Joel Fernandes wrote: > Hi Paul, Thomas, > > I received a crash report from syzbot on the android 4.9 kernel and I > am looking into it, it seems the debugobjects subsystem is warning > that a certain RCU structure is not allocated on the stack, but is > annotated to be. > >

syzbot rcu/debugobjects warning

2018-03-22 Thread Joel Fernandes
Hi Paul, Thomas, I received a crash report from syzbot on the android 4.9 kernel and I am looking into it, it seems the debugobjects subsystem is warning that a certain RCU structure is not allocated on the stack, but is annotated to be. [ cut here ] WARNING: CPU: 1 PID: 0