On Wed, May 18, 2016 at 11:18:16AM -0400, Sasha Levin wrote: > On 05/18/2016 11:01 AM, Nicolai Stange wrote: > > Thanks a million for reporting! > > > > 1.) Do you have lockdep enabled? > > Yup, nothing there. > > > 2.) Does this happen before or after userspace init has been spawned, > > i.e. does the lockup happen at debugfs file creation time or > > possibly at usage time? > > So I looked closer, and it seems to happen after starting syzkaller, which > as far as I know tries to open many different debugfs files. > > Is there debug code I can add it that'll help us figure out what's up?
Trying to figure out _which_ debugfs file is causing this would be great, if at all possible. strace?
