------------[ cut here ]------------
r == 0 || r == -EIO
WARNING: arch/x86/kvm/../../../virt/kvm/kvm_main.c:4389 at kvm_vcpu_pre_fault_memory+0x45d/0x470 virt/kvm/kvm_main.c:4389, CPU#0: syz.2.2468/15868
Modules linked in:
CPU: 0 UID: 0 PID: 15868 Comm: syz.2.2468 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:kvm_vcpu_pre_fault_memory+0x45d/0x470 virt/kvm/kvm_main.c:4389
Code: fe ff ff e8 85 2e 88 00 90 0f 0b 90 e9 0d ff ff ff e8 77 2e 88 00 e8 42 85 f3 ff eb 8f e8 6b 2e 88 00 eb 05 e8 64 2e 88 00 90 <0f> 0b 90 e9 a7 fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc900069b7c28 EFLAGS: 00010287
RAX: ffffffff813fe025 RBX: ffffc900069b7e00 RCX: 0000000000080000
RDX: ffffc90011181000 RSI: 00000000000003a5 RDI: 00000000000003a6
RBP: dffffc0000000000 R08: ffff888077715dc0 R09: 0000000000000002
R10: fffffffffffffffb R11: 0000000000000002 R12: ffffc900069b7e00
R13: ffff888077715dc0 R14: 1ffff1100eee2bb8 R15: fffffffffffffffb
FS:  00007f29256356c0(0000) GS:ffff888124cc7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe5cc44ebf CR3: 00000000222b8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000007 DR2: 0000000000000004
DR3: 0000000000000008 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_vcpu_ioctl+0x8a6/0xfd0 virt/kvm/kvm_main.c:4668
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f292479e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2925635028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2924a26180 RCX: 00007f292479e159
RDX: 0000200000000100 RSI: 00000000c040aed5 RDI: 0000000000000005
RBP: 00007f292483506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2924a26218 R14: 00007f2924a26180 R15: 00007f2924b4fa48
 </TASK>