device syz4 entered promiscuous mode device syz4 left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27228 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_xregs arch/x86/include/asm/fpu/internal.h:368 [inline] WARNING: CPU: 0 PID: 27228 at ./arch/x86/include/asm/fpu/internal.h:368 __copy_kernel_to_fpregs arch/x86/include/asm/fpu/internal.h:451 [inline] WARNING: CPU: 0 PID: 27228 at ./arch/x86/include/asm/fpu/internal.h:368 copy_kernel_to_fpregs arch/x86/include/asm/fpu/internal.h:475 [inline] WARNING: CPU: 0 PID: 27228 at ./arch/x86/include/asm/fpu/internal.h:368 switch_fpu_finish arch/x86/include/asm/fpu/internal.h:649 [inline] WARNING: CPU: 0 PID: 27228 at ./arch/x86/include/asm/fpu/internal.h:368 __switch_to+0x6a5/0x19d0 arch/x86/kernel/process_64.c:446 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 27228 Comm: syz-executor3 Not tainted 4.9.52-g96a28fc #57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a843f750 ffffffff81d93149 ffffffff83a46b40 ffff8801a843f828 ffffffff83a16500 ffffffff8104f435 0000000000000009 ffff8801a843f818 ffffffff8142e771 0000000041b58ab3 ffffffff84185390 ffffffff8142e5b5 Call Trace: Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..