BUG: unable to handle page fault for address = ffffc90015193878
#PF: supervisor-privileged read access from kernel code
#PF: error_code(0x0000) - not-present page
PGD aa542067 P4D aa542067 PUD aa543067 PMD a7ccb067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 32191 Comm: syz-executor.5 Not tainted 5.1.0-rc6-next-20190424 #30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:init_srcu_struct_nodes kernel/rcu/srcutree.c:150 [inline]
RIP: 0010:init_srcu_struct_fields+0xc19/0x1340 kernel/rcu/srcutree.c:180
Code: 88 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e ef 03 00 00 49 8d bd 88 01 00 00 44 89 f1 b8 01 00 00 00 <41> 2b 8c 24 88 00 00 00 48 89 fa 48 c1 ea 03 d3 e0 80 3c 1a 00 48
RSP: 0018:ffff88806320fad8 EFLAGS: 00010246
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880ae800188
RBP: ffff88806320fbb0 R08: ffff888063be6080 R09: ffffed1015d05dd0
R10: ffffed1015d05dcf R11: ffff8880ae82ee7b R12: ffffc900151937f0
R13: ffff8880ae800000 R14: 0000000000000000 R15: ffff8880ae800138
FS:  00007f5d79306700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90015193878 CR3: 000000009f526000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __init_srcu_struct+0x57/0x60 kernel/rcu/srcutree.c:196
 kvm_page_track_init+0x27/0x60 arch/x86/kvm/page_track.c:177
 kvm_arch_init_vm+0x44b/0x570 arch/x86/kvm/x86.c:9196
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:646 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3340 [inline]
 kvm_dev_ioctl+0x383/0x1660 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3392
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
 do_syscall_64+0x103/0x670 arch/x86/entry/common.c:298
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458d99
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5d79305c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458d99
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d793066d4
R13: 00000000004c18fb R14: 00000000004d40c8 R15: 00000000ffffffff
Modules linked in:
CR2: ffffc90015193878
---[ end trace e2c0a41d3f71f189 ]---
RIP: 0010:init_srcu_struct_nodes kernel/rcu/srcutree.c:150 [inline]
RIP: 0010:init_srcu_struct_fields+0xc19/0x1340 kernel/rcu/srcutree.c:180
Code: 88 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e ef 03 00 00 49 8d bd 88 01 00 00 44 89 f1 b8 01 00 00 00 <41> 2b 8c 24 88 00 00 00 48 89 fa 48 c1 ea 03 d3 e0 80 3c 1a 00 48
RSP: 0018:ffff88806320fad8 EFLAGS: 00010246
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880ae800188
RBP: ffff88806320fbb0 R08: ffff888063be6080 R09: ffffed1015d05dd0
R10: ffffed1015d05dcf R11: ffff8880ae82ee7b R12: ffffc900151937f0
R13: ffff8880ae800000 R14: 0000000000000000 R15: ffff8880ae800138
FS:  00007f5d79306700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90015193878 CR3: 000000009f526000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600