------------[ cut here ]------------
WARNING: CPU: 1 PID: 8063 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_xregs /syzkaller/managers/android-49-kasan-gce/kernel/./arch/x86/include/asm/fpu/internal.h:368 [inline]
WARNING: CPU: 1 PID: 8063 at ./arch/x86/include/asm/fpu/internal.h:368 __copy_kernel_to_fpregs /syzkaller/managers/android-49-kasan-gce/kernel/./arch/x86/include/asm/fpu/internal.h:451 [inline]
WARNING: CPU: 1 PID: 8063 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_fpregs /syzkaller/managers/android-49-kasan-gce/kernel/./arch/x86/include/asm/fpu/internal.h:475 [inline]
WARNING: CPU: 1 PID: 8063 at ./arch/x86/include/asm/fpu/internal.h:368 switch_fpu_finish /syzkaller/managers/android-49-kasan-gce/kernel/./arch/x86/include/asm/fpu/internal.h:649 [inline]
WARNING: CPU: 1 PID: 8063 at ./arch/x86/include/asm/fpu/internal.h:368 __switch_to+0x6e2/0x1990 /syzkaller/managers/android-49-kasan-gce/kernel/arch/x86/kernel/process_64.c:420
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8063 Comm: syz-executor4 Not tainted 4.9.41-gdb02484 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff88019989f750 ffffffff81d92609 ffffffff83a46b40 ffff88019989f828
 ffffffff83a16500 ffffffff8104f3c2 0000000000000009 ffff88019989f818
 ffffffff8142ddf1 0000000041b58ab3 ffffffff84184100 ffffffff8142dc35
Call Trace:
Shutting down cpus with NMI
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..