WARNING: CPU: 1 PID: 3306 at ./arch/x86/include/asm/fpu/internal.h:340 copy_xregs_to_kernel arch/x86/include/asm/fpu/internal.h:340 [inline]
WARNING: CPU: 1 PID: 3306 at ./arch/x86/include/asm/fpu/internal.h:340 copy_fpregs_to_fpstate arch/x86/include/asm/fpu/internal.h:413 [inline]
WARNING: CPU: 1 PID: 3306 at ./arch/x86/include/asm/fpu/internal.h:340 fpu__copy+0x385/0x390 arch/x86/kernel/fpu/core.c:212
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3306 Comm: syz-executor7 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:ffffc90001c7fd18 EFLAGS: 00010293
RAX: ffff8801e3a12280 RBX: ffff8801e22d1880 RCX: ffffffff810d6e85
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801e22d18c0
RBP: ffffc90001c7fd38 R08: 0000000000000000 R09: ffff8801e22d18c0
R10: ffffc90001c7fc98 R11: 0000000000000004 R12: ffff8801e3a13680
R13: ffff8801e22d18c0 R14: ffffc90000dfc000 R15: ffff8801e1829d40
 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: 0033:0x45113a
RSP: 002b:0000000000a2f9e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000a2f9e0 RCX: 000000000045113a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000a2fa20 R08: 0000000000000001 R09: 0000000000ac8940
R10: 0000000000ac8c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
general protection fault: 0000 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4080 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:ffff88021fc03fb8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000086 RCX: 0000000000000000
RDX: 00000000001606f0 RSI: 0000000000000001 RDI: 00000000001606f0
RBP: ffff88021fc03fb8 R08: 0000000000000001 R09: ffff88021fc03fdc
R10: ffffc90000dd7b70 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff810d1940 R14: 0000000000000000 R15: 0000000000000040
FS:  000000000127a940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000207fa000 CR3: 000000000301e001 CR4: 00000000001626f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0xed/0x170 kernel/smp.c:302
RSP: 0018:ffffc90000dd7b00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07
RAX: 0000000000000003 RBX: 0000000000000000 RCX: ffffffff8127b3f8
RDX: 0000000000000000 RSI: 00000000000000fb RDI: 0000000000000830
RBP: ffffc90000dd7b50 R08: 0000000000000001 R09: 0000000000000001
R10: ffffc90000dd7b70 R11: 0000000000000000 R12: 0000000000000001
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_dec_cpuslocked+0x58/0xb0 kernel/jump_label.c:204
 __static_key_slow_dec kernel/jump_label.c:214 [inline]
 static_key_slow_dec+0x2c/0x60 kernel/jump_label.c:228
 sw_perf_event_destroy+0x43/0x80 kernel/events/core.c:7781
 _free_event+0x122/0x540 kernel/events/core.c:4104
 put_event+0x24/0x30 kernel/events/core.c:4187
 perf_event_release_kernel+0x182/0x3f0 kernel/events/core.c:4288
 perf_release+0x19/0x20 kernel/events/core.c:4298
 __fput+0x120/0x270 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0xa3/0xe0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x3e6/0x1050 kernel/exit.c:869
 do_group_exit+0x60/0x100 kernel/exit.c:972
 SYSC_exit_group kernel/exit.c:983 [inline]
 SyS_exit_group+0x18/0x20 kernel/exit.c:981
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a09
RSP: 002b:0000000000a2fa08 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000071bec8 RCX: 0000000000452a09
RDX: 0000000000452a09 RSI: 0000000000725c10 RDI: 0000000000000000
RBP: 0000000000000000 R08: 000000000000001c R09: 0000000000000038
R10: 0000000000725c08 R11: 0000000000000202 R12: 0000000000a2f9b0
R13: 000000000071bea0 R14: 00000000000003dc R15: 000000000000001d
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: ffff88021fc03fb8
---[ end trace dc79af633a0a44ed ]---
Shutting down cpus with NMI
invalid opcode: 0000 [#2] SMP
Dumping ftrace buffer:
   (ftrace buff[in :  
---[ end trace dc79af633a0a44ee ]---
Rebooting in 86400 seconds..