BUG: unable to handle kernel paging request at ffffc90013465878 PGD 1da95a067 P4D 1da95a067 PUD 1da95b067 PMD 1bfe03067 PTE 0 kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 31204 Comm: syz-executor4 Not tainted 4.20.0-rc6+ #372 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env RIP: 0010:init_srcu_struct_nodes kernel/rcu/srcutree.c:161 [inline] RIP: 0010:init_srcu_struct_fields+0xd03/0x1470 kernel/rcu/srcutree.c:191 kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env Code: 88 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e 0a 04 00 00 49 8d be 98 01 00 00 44 89 e1 b8 01 00 00 00 <41> 2b 8d 88 00 00 00 48 89 fa 48 c1 ea 03 d3 e0 80 3c 1a 00 48 98 RSP: 0018:ffff888182a37420 EFLAGS: 00010246 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881daf00198 RBP: ffff888182a37600 R08: ffff8881b89ec140 R09: 0000000000000000 R10: ffffed103b5c5b5f R11: ffff8881dae2dafb R12: 0000000000000001 kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' R13: ffffc900134657f0 R14: ffff8881daf00000 R15: ffff8881daf000f0 FS: 00007f333e7d7700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90013465878 CR3: 00000001c01eb000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' __init_srcu_struct+0x54/0x60 kernel/rcu/srcutree.c:207 kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kvm_page_track_init+0x27/0x60 arch/x86/kvm/page_track.c:177 kvm_arch_init_vm+0x5f0/0x790 arch/x86/kvm/x86.c:9024 kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:641 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3197 [inline] kvm_dev_ioctl+0x4c4/0x1ae0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3249 kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kobject: 'kvm' (000000003b7ad1f2): kobject_uevent_env kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 kobject: 'kvm' (000000003b7ad1f2): fill_kobj_path: path = '/devices/virtual/misc/kvm' ksys_ioctl+0xa9/0xd0 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+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f333e7d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000007 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f333e7d76d4 R13: 00000000004c00fe R14: 00000000004d1138 R15: 00000000ffffffff Modules linked in: CR2: ffffc90013465878 ---[ end trace 6d1d73f0a8f2db3c ]--- RIP: 0010:init_srcu_struct_nodes kernel/rcu/srcutree.c:161 [inline] RIP: 0010:init_srcu_struct_fields+0xd03/0x1470 kernel/rcu/srcutree.c:191 Code: 88 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 08 3c 03 0f 8e 0a 04 00 00 49 8d be 98 01 00 00 44 89 e1 b8 01 00 00 00 <41> 2b 8d 88 00 00 00 48 89 fa 48 c1 ea 03 d3 e0 80 3c 1a 00 48 98 RSP: 0018:ffff888182a37420 EFLAGS: 00010246 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881daf00198 RBP: ffff888182a37600 R08: ffff8881b89ec140 R09: 0000000000000000 R10: ffffed103b5c5b5f R11: ffff8881dae2dafb R12: 0000000000000001 R13: ffffc900134657f0 R14: ffff8881daf00000 R15: ffff8881daf000f0 FS: 00007f333e7d7700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90013465878 CR3: 00000001c01eb000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400