WARNING: CPU: 0 PID: 3485 at ./arch/x86/include/asm/fpu/internal.h:340 copy_xregs_to_kernel arch/x86/include/asm/fpu/internal.h:340 [inline]
WARNING: CPU: 0 PID: 3485 at ./arch/x86/include/asm/fpu/internal.h:340 copy_fpregs_to_fpstate arch/x86/include/asm/fpu/internal.h:413 [inline]
WARNING: CPU: 0 PID: 3485 at ./arch/x86/include/asm/fpu/internal.h:340 fpu__copy+0x385/0x390 arch/x86/kernel/fpu/core.c:212
device gre0 entered promiscuous mode
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3485 Comm: syz-executor2 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xe9/0x14b lib/dump_stack.c:53
 panic+0x10e/0x2f8 kernel/panic.c:183
 __warn+0x14e/0x150 kernel/panic.c:547
 report_bug+0x11e/0x1a0 lib/bug.c:184
 fixup_bug.part.11+0x17/0x30 arch/x86/kernel/traps.c:177
 fixup_bug arch/x86/kernel/traps.c:246 [inline]
 do_error_trap+0x14a/0x180 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:copy_xregs_to_kernel arch/x86/include/asm/fpu/internal.h:340 [inline]
RIP: 0010:copy_fpregs_to_fpstate arch/x86/include/asm/fpu/internal.h:413 [inline]
RIP: 0010:fpu__copy+0x385/0x390 arch/x86/kernel/fpu/core.c:212
RSP: 0018:ffffc90000dfbd18 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801ebe85ac0 RCX: ffffffff810d6e85
RDX: 00000000000001e5 RSI: ffffc90004865000 RDI: ffff8801ebe85b00
RBP: ffffc90000dfbd38 R08: 0000000000000000 R09: ffff8801ebe85b00
R10: ffffc90000dfbc98 R11: 0000000000000004 R12: ffff8801ebea9bc0
R13: ffff8801ebe85b00 R14: ffffc90000e10000 R15: ffff8801ebed56c0
 arch_dup_task_struct+0x27/0x30 arch/x86/kernel/process.c:100
 dup_task_struct kernel/fork.c:786 [inline]
 copy_process.part.35+0x77d/0x2240 kernel/fork.c:1639
 copy_process kernel/fork.c:1614 [inline]
 _do_fork+0x122/0x880 kernel/fork.c:2095
 SYSC_clone kernel/fork.c:2202 [inline]
 SyS_clone+0x37/0x50 kernel/fork.c:2196
 do_syscall_64+0x7f/0x270 arch/x86/entry/common.c:285
 entry_SYSCALL64_slow_path+0x25/0x25
RIP: 0033:0x452a09
RSP: 002b:00007f9502f2ec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452a09
RDX: 000000002086c000 RSI: 00000000207ef000 RDI: 00000000000003ff
RBP: 0000000000000047 R08: 000000002079b000 R09: 0000000000000000
R10: 0000000020d0b000 R11: 0000000000000212 R12: 00000000006ed748
R13: 00000000ffffffff R14: 00007f9502f2f6d4 R15: 0000000000000002
general protection fault: 0000 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3502 Comm: syz-executor0 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76
RSP: 0018:ffff88021fd03fb8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000086 RCX: 0000000000000000
RDX: 00000000001606e0 RSI: 0000000000000001 RDI: 00000000001606e0
RBP: ffff88021fd03fb8 R08: 0000000000000001 R09: ffff88021fd03fdc
R10: ffffc90000e23b08 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff810d1940 R14: 0000000000000000 R15: 0000000000000040
FS:  00007f8708190700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002001d000 CR3: 00000001eef4e003 CR4: 00000000001626e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:252 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:275 [inline]
 cpu_vmxoff arch/x86/include/asm/virtext.h:44 [inline]
 __cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:59 [inline]
 cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:67 [inline]
 smp_reboot_interrupt+0xe2/0x180 arch/x86/kernel/smp.c:179
 reboot_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:913
 </IRQ>
RIP: 0010:rep_nop arch/x86/include/asm/processor.h:659 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:664 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0xea/0x170 kernel/smp.c:302
RSP: 0018:ffffc90000e23aa0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff07
RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff8127b3f8
RDX: 0000000000010000 RSI: ffffc90002c5d000 RDI: 0000000000000830
RBP: ffffc90000e23af0 R08: 0000000000000001 R09: 0000000000000000
R10: ffffc90000e23b08 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff810d1940 R14: 0000000000000000 R15: 0000000000000040
 smp_call_function_many+0x2b5/0x2e0 kernel/smp.c:434
 smp_call_function kernel/smp.c:492 [inline]
 on_each_cpu+0x3d/0x110 kernel/smp.c:602
 text_poke_bp+0x56/0xc0 arch/x86/kernel/alternative.c:807
 __jump_label_transform.isra.0+0xe8/0xf0 arch/x86/kernel/jump_label.c:102
 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110
 __jump_label_update+0xb2/0xe0 kernel/jump_label.c:368
 jump_label_update+0x11f/0x140 kernel/jump_label.c:735
 static_key_slow_inc_cpuslocked kernel/jump_label.c:109 [inline]
 static_key_slow_inc+0xe7/0x100 kernel/jump_label.c:124
 tracepoint_add_func kernel/tracepoint.c:222 [inline]
 tracepoint_probe_register_prio+0x33a/0x3a0 kernel/tracepoint.c:282
 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:303
 trace_event_reg+0x84/0x110 kernel/trace/trace_events.c:305
 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline]
 perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline]
 perf_trace_init+0x1d9/0x3a0 kernel/trace/trace_event_perf.c:221
 perf_tp_event_init+0x33/0x70 kernel/events/core.c:7959
 perf_try_init_event+0x43/0xc0 kernel/events/core.c:9192
 perf_init_event kernel/events/core.c:9230 [inline]
 perf_event_alloc+0xacb/0xf60 kernel/events/core.c:9494
 SYSC_perf_event_open+0x4d4/0x1550 kernel/events/core.c:9949
 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9835
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a09
RSP: 002b:00007f870818fc58 EFLAGS: 00000212 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f8708190700 RCX: 0000000000452a09
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002001d000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000212 R12: 0000000000000000
R13: 0000000000a2f7ff R14: 00007f87081909c0 R15: 0000000000000000
Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d 
RIP: native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: ffff88021fd03fb8
---[ end trace efbe99d1c5f0617e ]---
Shutting down cpus with NMI
invalid opcode: 0000 [#2] SMP
Dumping ftrace buffer:
   (ftrace buffer e[m pt y )24
Rebooting in 86400 seconds..
---[ end trace efbe99d1c5f0617f ]---