audit: type=1804 audit(1551575413.528:35): pid=7909 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir055696950/syzkaller.IGaivQ/3/memory.events" dev="sda1" ino=16549 res=1 ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7949 Comm: syz-executor.4 Not tainted 5.0.0-rc8+ #2 IPVS: ftp: loaded support on port[0] = 21 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 1c cc 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 f7 cb 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff888056f1f958 EFLAGS: 00010216 audit: type=1800 audit(1551575413.528:36): pid=7909 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor.1" name="memory.events" dev="sda1" ino=16549 res=0 RAX: 0000000000040000 RBX: 0000000000200000 RCX: ffffc9000e850000 RDX: 00000000000001ad RSI: ffffffff810a1329 RDI: 0000000000000005 RBP: ffff888056f1f958 R08: ffff888054c7e340 R09: fffff52000331047 R10: fffff52000331046 R11: ffffc90001988237 R12: 00000000c0000080 R13: 0000000000000048 R14: 0000000000000400 R15: 0000000000000500 FS: 00007fec14f57700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 audit: type=1804 audit(1551575413.718:37): pid=7888 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir346504927/syzkaller.VqPzrw/3/memory.events" dev="sda1" ino=16548 res=1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000090db1000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vmcs_writel arch/x86/kvm/vmx/ops.h:117 [inline] vmcs_write64 arch/x86/kvm/vmx/ops.h:147 [inline] add_atomic_switch_msr_special arch/x86/kvm/vmx/vmx.c:817 [inline] add_atomic_switch_msr.constprop.0+0x870/0xd70 arch/x86/kvm/vmx/vmx.c:833 update_transition_efer arch/x86/kvm/vmx/vmx.c:928 [inline] setup_msrs+0x123a/0x1700 arch/x86/kvm/vmx/vmx.c:1571 vmx_set_efer+0x232/0x430 arch/x86/kvm/vmx/vmx.c:2666 __set_sregs+0x69e/0x1750 arch/x86/kvm/x86.c:8458 kobject: 'lo' (000000007f3cb38f): kobject_add_internal: parent: 'net', set: 'devices' kvm_arch_vcpu_ioctl_set_sregs+0x26/0x40 arch/x86/kvm/x86.c:8520 kvm_vcpu_ioctl+0x2b0/0xfa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2734 audit: type=1800 audit(1551575413.718:38): pid=7888 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor.5" name="memory.events" dev="sda1" ino=16548 res=0 kobject: 'kvm' (0000000090b20a61): 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+0xd6e/0x1390 fs/ioctl.c:696 kobject: 'lo' (000000007f3cb38f): kobject_uevent_env kobject: 'loop5' (00000000b31ca388): kobject_uevent_env kobject: 'lo' (000000007f3cb38f): fill_kobj_path: path = '/devices/virtual/net/lo' ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 kobject: 'loop5' (00000000b31ca388): fill_kobj_path: path = '/devices/virtual/block/loop5' __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+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'queues' (000000003b446845): kobject_add_internal: parent: 'lo', set: '' RIP: 0033:0x457e29 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:00007fec14f56c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 RDX: 00000000200003c0 RSI: 000000004138ae84 RDI: 0000000000000005 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec14f576d4 R13: 00000000004c0f99 R14: 00000000004d2e28 R15: 00000000ffffffff Modules linked in: Restarting kernel threads ... done. kobject: 'queues' (000000003b446845): kobject_uevent_env ---[ end trace 516ecc480a8d3f99 ]--- kobject: 'queues' (000000003b446845): kobject_uevent_env: filter function caused the event to drop! RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 kobject: 'rx-0' (00000000831ea93c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (0000000083e885b1): kobject_uevent_env kobject: 'rx-0' (00000000831ea93c): kobject_uevent_env kobject: 'loop2' (0000000083e885b1): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1551575414.138:39): pid=7909 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir055696950/syzkaller.IGaivQ/3/memory.events" dev="sda1" ino=16549 res=1 Code: e8 1c cc 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 f7 cb 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 audit: type=1800 audit(1551575414.138:40): pid=7909 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor.1" name="memory.events" dev="sda1" ino=16549 res=0 IPVS: ftp: loaded support on port[0] = 21 kobject: 'loop1' (000000001ad127da): kobject_uevent_env RSP: 0018:ffff888056f1f958 EFLAGS: 00010216 kobject: 'rx-0' (00000000831ea93c): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'loop1' (000000001ad127da): fill_kobj_path: path = '/devices/virtual/block/loop1' Restarting kernel threads ... done. kobject: 'tx-0' (00000000b7450d1c): kobject_add_internal: parent: 'queues', set: 'queues' RAX: 0000000000040000 RBX: 0000000000200000 RCX: ffffc9000e850000 kobject: 'loop5' (00000000b31ca388): kobject_uevent_env kobject: 'loop5' (00000000b31ca388): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000b7450d1c): kobject_uevent_env kobject: 'loop2' (0000000083e885b1): kobject_uevent_env nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. RDX: 00000000000001ad RSI: ffffffff810a1329 RDI: 0000000000000005 kobject: 'loop2' (0000000083e885b1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000b7450d1c): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' RBP: ffff888056f1f958 R08: ffff888054c7e340 R09: fffff52000331047 R10: fffff52000331046 R11: ffffc90001988237 R12: 00000000c0000080 kobject: 'lo' (0000000032727f88): kobject_add_internal: parent: 'net', set: 'devices' R13: 0000000000000048 R14: 0000000000000400 R15: 0000000000000500 FS: 00007fec14f57700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop0' (00000000da9a369f): kobject_uevent_env kobject: 'lo' (0000000032727f88): kobject_uevent_env kobject: 'lo' (0000000032727f88): fill_kobj_path: path = '/devices/virtual/net/lo' CR2: 0000001b2dc2d000 CR3: 0000000090db1000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop0' (00000000da9a369f): fill_kobj_path: path = '/devices/virtual/block/loop0' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'queues' (000000000e1504b0): kobject_add_internal: parent: 'lo', set: ''