WARNING: suspicious RCU usage
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6092 at arch/x86/kvm/x86.c:7256 kvm_arch_vcpu_ioctl_run+0x213/0x5a30 arch/x86/kvm/x86.c:7256
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 6092 Comm: syz-executor7 Not tainted 4.13.0-next-20170906+ #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5a30 arch/x86/kvm/x86.c:7256
RSP: 0018:ffff8801d3f67670 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801d3431000 RCX: ffffc900032d3000
RDX: 0000000000000118 RSI: ffffffff810e05b3 RDI: ffff8801c16187f8
RBP: ffff8801d3f67a40 R08: 1ffffffff0afd54c R09: 0000000000000000
R10: ffff8801d3f67a58 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8801d3b690c0 R15: ffff8801c16185c0
 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x451e59
RSP: 002b:00007f3f5ae80c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 0000000000451e59
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b89dd
R13: 00000000ffffffff R14: 0000000000000006 R15: 000000004040ae77
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..