[ 35.628457] audit: type=1800 audit(1550970969.305:27): pid=7504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.647580] audit: type=1800 audit(1550970969.315:28): pid=7504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.402635] audit: type=1800 audit(1550970970.145:29): pid=7504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 36.421266] audit: type=1800 audit(1550970970.145:30): pid=7504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts. 2019/02/24 01:16:21 parsed 1 programs 2019/02/24 01:16:23 executed programs: 0 syzkaller login: [ 49.388493] IPVS: ftp: loaded support on port[0] = 21 [ 49.443789] chnl_net:caif_netlink_parms(): no params data found [ 49.471534] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.478875] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.485822] device bridge_slave_0 entered promiscuous mode [ 49.493388] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.499764] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.506761] device bridge_slave_1 entered promiscuous mode [ 49.520882] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.530018] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.556820] team0: Port device team_slave_0 added [ 49.562940] team0: Port device team_slave_1 added [ 49.614321] device hsr_slave_0 entered promiscuous mode [ 49.652416] device hsr_slave_1 entered promiscuous mode [ 49.709239] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.715682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.722602] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.728940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.757531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.768391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.787717] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.794972] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.802002] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.812552] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.823180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.830703] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.837116] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.844019] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.851550] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.857945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.872531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.880709] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.889802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.901316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.911587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.920444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.936945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.978328] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 50.088582] ------------[ cut here ]------------ [ 50.093359] kernel BUG at arch/x86/kvm/x86.c:357! [ 50.098208] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.103575] CPU: 1 PID: 7677 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #85 [ 50.110740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.120144] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 50.124994] Code: e8 9c ce 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 77 ce 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 [ 50.143918] RSP: 0018:ffff88808bcffaa8 EFLAGS: 00010093 [ 50.149262] RAX: ffff88808d2e83c0 RBX: ffff88808fe7f810 RCX: ffffffff81329baa [ 50.156514] RDX: 0000000000000000 RSI: ffffffff810a1309 RDI: 0000000000000007 [ 50.163766] RBP: ffff88808bcffaa8 R08: ffff88808d2e83c0 R09: fffff52000be6c48 [ 50.171066] R10: fffff52000be6c47 R11: ffffc90005f3623b R12: 1ffff1101179ff58 [ 50.178323] R13: ffff88809ab2b000 R14: ffff88808bcffb20 R15: 0000000000000001 [ 50.185576] FS: 0000000001c2b940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 50.193781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.199664] CR2: ffff88808bcffae0 CR3: 000000009e8f7000 CR4: 00000000001426e0 [ 50.206933] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.214197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.221442] Call Trace: [ 50.224019] loaded_vmcs_init+0x95/0x250 [ 50.228062] ? find_msr_entry+0x170/0x170 [ 50.232200] ? handle_ept_misconfig+0x3e0/0x3e0 [ 50.236853] __loaded_vmcs_clear+0x229/0x360 [ 50.241240] ? trace_hardirqs_off+0x62/0x220 [ 50.245628] ? loaded_vmcs_init+0x250/0x250 [ 50.249933] generic_exec_single+0x284/0x4b0 [ 50.254328] smp_call_function_single+0x12d/0x420 [ 50.259151] ? loaded_vmcs_init+0x250/0x250 [ 50.263459] ? generic_exec_single+0x4b0/0x4b0 [ 50.268023] ? vmx_vcpu_put+0x1e/0x30 [ 50.271819] ? native_set_debugreg+0x28/0x30 [ 50.276217] ? kvm_arch_vcpu_put+0x2ec/0x430 [ 50.280605] free_loaded_vmcs+0x13c/0x1b0 [ 50.284733] vmx_free_vcpu+0x1be/0x340 [ 50.288605] kvm_arch_destroy_vm+0x25f/0x4f0 [ 50.292997] ? mmu_notifier_unregister+0x321/0x410 [ 50.297912] kvm_put_kvm+0x55b/0xc70 [ 50.301620] ? kvm_vm_release+0x60/0x60 [ 50.305575] kvm_vcpu_release+0x7b/0xa0 [ 50.309531] __fput+0x2df/0x8d0 [ 50.312791] ____fput+0x16/0x20 [ 50.316051] task_work_run+0x14a/0x1c0 [ 50.319941] exit_to_usermode_loop+0x273/0x2c0 [ 50.324515] do_syscall_64+0x52d/0x610 [ 50.328387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.333557] RIP: 0033:0x411d31 [ 50.336734] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 50.355630] RSP: 002b:00007ffce7c42a30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 50.363321] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411d31 [ 50.370568] RDX: 0000000000000000 RSI: 0000000000740528 RDI: 0000000000000005 [ 50.377817] RBP: 0000000000000000 R08: 00007f3415224700 R09: 000000000000c31b [ 50.385085] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 50.392367] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 50.399620] Modules linked in: [ 50.402801] ---[ end trace 7437a0bb4a66a04d ]--- [ 50.407558] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 50.412381] Code: e8 9c ce 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 77 ce 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 [ 50.431267] RSP: 0018:ffff88808bcffaa8 EFLAGS: 00010093 [ 50.436614] RAX: ffff88808d2e83c0 RBX: ffff88808fe7f810 RCX: ffffffff81329baa [ 50.443876] RDX: 0000000000000000 RSI: ffffffff810a1309 RDI: 0000000000000007 [ 50.451123] RBP: ffff88808bcffaa8 R08: ffff88808d2e83c0 R09: fffff52000be6c48 [ 50.458372] R10: fffff52000be6c47 R11: ffffc90005f3623b R12: 1ffff1101179ff58 [ 50.465620] R13: ffff88809ab2b000 R14: ffff88808bcffb20 R15: 0000000000000001 [ 50.472872] FS: 0000000001c2b940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 50.481103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.486968] CR2: ffff88808bcffae0 CR3: 000000009e8f7000 CR4: 00000000001426e0 [ 50.494219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.501478] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.508742] Kernel panic - not syncing: Fatal exception [ 50.515139] Kernel Offset: disabled [ 50.518762] Rebooting in 86400 seconds..