BUG: unable to handle page fault for address: ffff88814d491bf8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10601067 P4D 10601067 PUD 17a063 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 28642 Comm: syz-executor.0 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mm_take_all_locks+0x175/0x7d0 mm/mmap.c:3624
Code: 02 c8 ff 4d 85 ff 0f 85 ab 00 00 00 e8 74 fd c7 ff 48 8d bb a0 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 5b 05 00 00 <4c> 8b bb a0 00 00 00 4d 85 ff 0f 84 37 ff ff ff e8 46 fd c7 ff 49
RSP: 0018:ffffc90018367d28 EFLAGS: 00010246
RAX: 1ffff11029a9237f RBX: ffff88814d491b58 RCX: ffffc90001671000
RDX: 0000000000040000 RSI: ffffffff81ad9d7c RDI: ffff88814d491bf8
RBP: ffff888097381c40 R08: 0000000000000000 R09: ffff888097381c47
R10: ffffffff81ad9d6e R11: 0000000000000000 R12: dffffc0000000000
R13: ffffed1012e70388 R14: ffff88802be14be8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f55b0b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffff88814d491bf8 CR3: 0000000099dbb000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __mmu_notifier_register+0x535/0x6e0 mm/mmu_notifier.c:657
 mmu_notifier_register+0x42/0xb0 mm/mmu_notifier.c:728
 kvm_init_mmu_notifier arch/x86/kvm/../../../virt/kvm/kvm_main.c:771 [inline]
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1021 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4472 [inline]
 kvm_dev_ioctl+0x115e/0x1770 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4527
 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:1167
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7fb6549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55b05fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000000ae01
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: ffff88814d491bf8
---[ end trace 4ad570eef1580451 ]---
RIP: 0010:mm_take_all_locks+0x175/0x7d0 mm/mmap.c:3624
Code: 02 c8 ff 4d 85 ff 0f 85 ab 00 00 00 e8 74 fd c7 ff 48 8d bb a0 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 5b 05 00 00 <4c> 8b bb a0 00 00 00 4d 85 ff 0f 84 37 ff ff ff e8 46 fd c7 ff 49
RSP: 0018:ffffc90018367d28 EFLAGS: 00010246

RAX: 1ffff11029a9237f RBX: ffff88814d491b58 RCX: ffffc90001671000
RDX: 0000000000040000 RSI: ffffffff81ad9d7c RDI: ffff88814d491bf8
RBP: ffff888097381c40 R08: 0000000000000000 R09: ffff888097381c47
R10: ffffffff81ad9d6e R11: 0000000000000000 R12: dffffc0000000000
R13: ffffed1012e70388 R14: ffff88802be14be8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f55b0b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffff88814d491bf8 CR3: 0000000099dbb000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400