Forwarded: test for d4faf7db59e11f6fd1ab

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Subject: test for d4faf7db59e11f6fd1ab
Author: [email protected]

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master

# https://syzkaller.appspot.com/bug?id=928e57747811470fbf24307d324a86e066ac2fe2
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"repeat":true,"procs":5,"slowdown":1,"sandbox":"none","sandbox_arg":0,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"usb":true,"vhci":true,"wifi":true,"ieee802154":true,"sysctl":true,"swap":true,"tmpdir":true,"segv":true,"callcomments":true}
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67,
&(0x7f0000000040)={0xffff1000, 0x100000, 0xfffffffd})