netlink: 'syz-executor7': attribute type 2 has an invalid length.
snd_dummy snd_dummy.0: control 120:0:0:Î:0 is already present
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: 11746 Comm: syz-executor0 Not tainted 4.16.0-rc5+ #358
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:ffff8801db307ca8 EFLAGS: 00010006
RAX: ffff8801ad1b0280 RBX: 00000000001606e0 RCX: ffffffff811a5f02
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db307ca8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801ad1b0280 R14: ffff8801db31d130 R15: ffff8801db31d130
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7d9293000 CR3: 0000000006e22002 CR4: 00000000001626e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __write_cr4 arch/x86/include/asm/paravirt.h:77 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:254 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:277 [inline]
 kvm_cpu_vmxoff arch/x86/kvm/vmx.c:3651 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3657
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8281
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3289
 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+0xf/0x20 arch/x86/entry/entry_64.S:879
 </IRQ>
RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:page_ref_count include/linux/page_ref.h:67 [inline]
RIP: 0010:page_expected_state mm/page_alloc.c:926 [inline]
RIP: 0010:free_pages_check mm/page_alloc.c:964 [inline]
RIP: 0010:free_pages_prepare mm/page_alloc.c:1046 [inline]
RIP: 0010:__free_pages_ok+0x18d0/0x31e0 mm/page_alloc.c:1264
RSP: 0018:ffff8801ce8bdcf0 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff04
RAX: dffffc0000000000 RBX: ffffea0006588000 RCX: 1ffff10039d17bc7
RDX: ffff8801ce8bde38 RSI: 0000000000000000 RDI: ffffea000658689c
RBP: ffff8801ce8be4e0 R08: 0000000000000001 R09: ffffea0006588000
R10: ffffea0006586888 R11: 0000000000000000 R12: ffff8801ce8be4b8
R13: 0000000000000001 R14: ffffea0006586880 R15: 0000000000000000
 free_compound_page+0x5c/0x70 mm/page_alloc.c:605
 free_transhuge_page+0x2d2/0x430 mm/huge_memory.c:2732
 __put_compound_page+0x88/0xc0 mm/swap.c:95
 release_pages+0x64b/0x1230 mm/swap.c:760
 free_pages_and_swap_cache+0x2ad/0x400 mm/swap_state.c:322
 tlb_flush_mmu_free+0xb4/0x160 mm/memory.c:259
 zap_pte_range mm/memory.c:1404 [inline]
 zap_pmd_range mm/memory.c:1441 [inline]
 zap_pud_range mm/memory.c:1470 [inline]
 zap_p4d_range mm/memory.c:1491 [inline]
 unmap_page_range+0x181e/0x22e0 mm/memory.c:1512
 unmap_single_vma+0x15f/0x2d0 mm/memory.c:1557
 unmap_vmas+0xf1/0x1b0 mm/memory.c:1587
 exit_mmap+0x23a/0x500 mm/mmap.c:3020
 __mmput kernel/fork.c:960 [inline]
 mmput+0x223/0x6d0 kernel/fork.c:981
 exit_mm kernel/exit.c:544 [inline]
 do_exit+0x90a/0x1ad0 kernel/exit.c:852
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73a/0x16d0 kernel/signal.c:2469
 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:265 [inline]
 do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453e69
RSP: 002b:00007f02ae1cdce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf80 RCX: 0000000000453e69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bf80
RBP: 000000000072bf80 R08: 0000000000000000 R09: 000000000072bf58
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a3e8ef R14: 00007f02ae1ce9c0 R15: 0000000000000001
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: ffff8801db307ca8
---[ end trace 1af8a215ba5380e1 ]---