kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29931 Comm: syz-executor3 Not tainted 4.20.0-rc1-next-20181109+ #110 kobject: 'kvm' (000000001967aabc): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_apic_hw_enabled arch/x86/kvm/lapic.h:169 [inline] RIP: 0010:vcpu_scan_ioapic arch/x86/kvm/x86.c:7448 [inline] RIP: 0010:vcpu_enter_guest arch/x86/kvm/x86.c:7600 [inline] RIP: 0010:vcpu_run arch/x86/kvm/x86.c:7872 [inline] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x524a/0x72b0 arch/x86/kvm/x86.c:8072 Code: 03 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 4a 1d 00 00 49 8b 9f e0 03 00 00 48 8d bb 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 20 1d 00 00 48 8b 9b 88 00 00 00 48 8d bb d8 kobject: 'kvm' (000000001967aabc): fill_kobj_path: path = '/devices/virtual/misc/kvm' RSP: 0018:ffff88017e127530 EFLAGS: 00010206 RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffc90006cb9000 RDX: 0000000000000549 RSI: ffffffff8110348c RDI: 0000000000000088 RBP: ffff88017e1278d0 R08: ffff8801d2e4e040 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d2e4e040 R12: dffffc0000000000 R13: ffffc9000c103000 R14: 0000000000000000 R15: ffff880183239780 FS: 00007fae9ad10700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000d357d0 CR3: 000000017c53d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'kvm' (000000001967aabc): kobject_uevent_env kobject: 'kvm' (000000001967aabc): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000001967aabc): kobject_uevent_env kobject: 'kvm' (000000001967aabc): fill_kobj_path: path = '/devices/virtual/misc/kvm' kvm_vcpu_ioctl+0x5c8/0x1150 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2596 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 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: 0033:0x457569 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:00007fae9ad0fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae9ad106d4 R13: 00000000004c034e R14: 00000000004d0d60 R15: 00000000ffffffff Modules linked in: ---[ end trace 779fddb32d0d5ade ]--- kobject: 'loop4' (00000000a4ce7e99): kobject_uevent_env RIP: 0010:kvm_apic_hw_enabled arch/x86/kvm/lapic.h:169 [inline] RIP: 0010:vcpu_scan_ioapic arch/x86/kvm/x86.c:7448 [inline] RIP: 0010:vcpu_enter_guest arch/x86/kvm/x86.c:7600 [inline] RIP: 0010:vcpu_run arch/x86/kvm/x86.c:7872 [inline] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x524a/0x72b0 arch/x86/kvm/x86.c:8072 Code: 03 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 4a 1d 00 00 49 8b 9f e0 03 00 00 48 8d bb 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 20 1d 00 00 48 8b 9b 88 00 00 00 48 8d bb d8 kobject: 'loop4' (00000000a4ce7e99): fill_kobj_path: path = '/devices/virtual/block/loop4' RSP: 0018:ffff88017e127530 EFLAGS: 00010206 kobject: 'loop2' (0000000027ac198f): kobject_uevent_env RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffc90006cb9000 kobject: 'loop2' (0000000027ac198f): fill_kobj_path: path = '/devices/virtual/block/loop2' RDX: 0000000000000549 RSI: ffffffff8110348c RDI: 0000000000000088 RBP: ffff88017e1278d0 R08: ffff8801d2e4e040 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d2e4e040 R12: dffffc0000000000 R13: ffffc9000c103000 R14: 0000000000000000 R15: ffff880183239780 FS: 00007fae9ad10700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f813c6e5000 CR3: 000000017c53d000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400