TITLE: INFO: suspicious RCU usage in corrupted
START: [   37.540478] [ INFO: suspicious RCU usage. ]
CORRUPTED: Y

[   37.540474] ===============================
2016/11/12 06:52:29 executing program 1:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
[   37.540478] [ INFO: suspicious RCU usage. ]
[   37.540495] 4.9.0-rc4+ #47 Not tainted
2016/11/12 06:52:29 executing program 1:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
[   37.540522] -------------------------------
[   37.540535] ./include/linux/kvm_host.h:536 suspicious rcu_dereference_check() usage!
[   37.540539] 
[   37.540539] other info that might help us debug this:
[   37.540539] 
[   37.540548] 
[   37.540548] rcu_scheduler_active = 1, debug_locks = 0
[   37.540557] 1 lock held by syz-executor/3985:
[   37.540566]  #0: 
[   37.540571]  (
[   37.540576] &vcpu->mutex
[   37.540580] ){+.+.+.}
[   37.540609] , at: 
[   37.540610] [<ffffffff81055862>] vcpu_load+0x22/0x70