------------[ cut here ]------------ WARNING: CPU: 1 PID: 19015 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_xregs arch/x86/include/asm/fpu/internal.h:368 [inline] WARNING: CPU: 1 PID: 19015 at ./arch/x86/include/asm/fpu/internal.h:368 __copy_kernel_to_fpregs arch/x86/include/asm/fpu/internal.h:451 [inline] WARNING: CPU: 1 PID: 19015 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_fpregs arch/x86/include/asm/fpu/internal.h:475 [inline] WARNING: CPU: 1 PID: 19015 at ./arch/x86/include/asm/fpu/internal.h:368 switch_fpu_finish arch/x86/include/asm/fpu/internal.h:649 [inline] WARNING: CPU: 1 PID: 19015 at ./arch/x86/include/asm/fpu/internal.h:368 __switch_to+0x6c5/0x19a0 arch/x86/kernel/process_64.c:420 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 19015 Comm: syz-executor7 Not tainted 4.9.39-g5b07c2d #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b593f770 ffffffff81eacd59 ffffffff83a48d40 ffff8801b593f848 ffffffff83a17700 ffffffff810513a5 0000000000000009 ffff8801b593f838 ffffffff814265a6 0000000041b58ab3 ffffffff84169acd ffffffff814263f2 Call Trace: Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..