kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3154 Comm: syz-executor3 Not tainted 4.15.0-rc3+ #133
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:ffff8801db507ca8 EFLAGS: 00010006
RAX: ffff8801cadb2540 RBX: 00000000001606e0 RCX: ffffffff811a2a92
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db507ca8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801cadb2540 R14: ffff8801db514850 R15: ffff8801db514850
FS:  0000000000000000(0000) GS:ffff8801db500000(0063) knlGS:0000000009c2a900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000ffb7c7cc CR3: 00000001c96e7005 CR4: 00000000001626e0
Call Trace:
 <IRQ>
 __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:180 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:203 [inline]
 kvm_cpu_vmxoff arch/x86/kvm/vmx.c:3582 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3588
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:7982
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3310
 flush_smp_call_function_queue+0x1f4/0x570 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x13/0x30 kernel/smp.c:192
 smp_call_function_single_interrupt+0x103/0x640 arch/x86/kernel/smp.c:295
 call_function_single_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:817
 </IRQ>
RIP: 0010:qlist_free_all+0x41/0x160 mm/kasan/quarantine.c:164
RSP: 0018:ffff8801c9157b18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: ffff8801c182b3c8 RBX: 0000000000000282 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffea0007067cdf RDI: 0000000000000282
RBP: ffff8801c9157b50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801db010040 R14: ffff8801c182b6e0 R15: ffffffff85ec82a0
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:536
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x11b/0x760 mm/slab.c:3542
 getname_flags+0xcb/0x580 fs/namei.c:138
 getname+0x19/0x20 fs/namei.c:209
 do_sys_open+0x2e7/0x6d0 fs/open.c:1053
 C_SYSC_open fs/open.c:1096 [inline]
 compat_SyS_open+0x2a/0x40 fs/open.c:1094
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f44c79
RSP: 002b:00000000ffb7c790 EFLAGS: 00000206 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 00000000ffb7d874 RCX: 0000000000098800
RDX: 0000000040000001 RSI: 0000000000006045 RDI: 0000000000000000
RBP: 00000000ffb7c82c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 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: ffff8801db507ca8
---[ end trace 2c088c8d293f418f ]---