[ 38.379937] audit: type=1800 audit(1551025009.475:27): pid=7601 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 38.404587] audit: type=1800 audit(1551025009.475:28): pid=7601 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. [ 39.194310] audit: type=1800 audit(1551025010.335:29): pid=7601 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 39.213136] audit: type=1800 audit(1551025010.335:30): pid=7601 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 '10.128.10.0' (ECDSA) to the list of known hosts. 2019/02/24 16:17:01 parsed 1 programs 2019/02/24 16:17:03 executed programs: 0 syzkaller login: [ 52.746144] IPVS: ftp: loaded support on port[0] = 21 [ 52.799402] chnl_net:caif_netlink_parms(): no params data found [ 52.826893] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.834082] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.841527] device bridge_slave_0 entered promiscuous mode [ 52.849246] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.855683] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.863086] device bridge_slave_1 entered promiscuous mode [ 52.877046] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.886238] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.903194] team0: Port device team_slave_0 added [ 52.909393] team0: Port device team_slave_1 added [ 52.989998] device hsr_slave_0 entered promiscuous mode [ 53.058574] device hsr_slave_1 entered promiscuous mode [ 53.135311] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.142241] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.149283] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.155692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.184321] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.195630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.215229] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.222723] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.230880] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.242278] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.250576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.258315] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.264716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.285053] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.295257] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.306882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.314670] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.321063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.329589] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.338931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.346714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.354504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.362014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.368953] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.385551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.433338] 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. [ 53.729549] ------------[ cut here ]------------ [ 53.734352] kernel BUG at arch/x86/kvm/x86.c:357! [ 53.739199] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 53.744580] CPU: 0 PID: 7784 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #85 [ 53.751759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.761137] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 53.765996] 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 [ 53.784898] RSP: 0018:ffff8880ae807e80 EFLAGS: 00010006 [ 53.790268] RAX: ffff888082c16200 RBX: ffff888081007810 RCX: ffffffff81329baa [ 53.797535] RDX: 0000000000010000 RSI: ffffffff810a1309 RDI: 0000000000000007 [ 53.804799] RBP: ffff8880ae807e80 R08: ffff888082c16200 R09: ffffed1015d05be9 [ 53.812065] R10: ffffed1015d05be8 R11: ffff8880ae82df47 R12: 1ffff11015d00fd3 [ 53.819347] R13: ffff888088d03000 R14: ffff8880ae807ef8 R15: 0000000000000000 [ 53.826635] FS: 0000000000fa8940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 53.834854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.840729] CR2: ffff8880ae807eb8 CR3: 0000000094b6b000 CR4: 00000000001426f0 [ 53.848010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.855293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.862575] Call Trace: [ 53.865148] [ 53.867316] loaded_vmcs_init+0x95/0x250 [ 53.871392] ? find_msr_entry+0x170/0x170 [ 53.875540] __loaded_vmcs_clear+0x229/0x360 [ 53.879960] flush_smp_call_function_queue+0x14a/0x500 [ 53.885242] ? loaded_vmcs_init+0x250/0x250 [ 53.889566] generic_smp_call_function_single_interrupt+0x13/0x2b [ 53.895810] smp_call_function_single_interrupt+0xa3/0x460 [ 53.901463] call_function_single_interrupt+0xf/0x20 [ 53.906554] [ 53.908802] RIP: 0010:kfree+0x186/0x230 [ 53.912774] Code: 5b 7e 0f 85 b3 fe ff ff e8 28 bc 59 ff e9 a9 fe ff ff e8 9d 9f ce ff 48 83 3d 45 d8 eb 06 00 0f 84 9e 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5d 41 5e 5d c3 4c 89 f2 4c 89 e6 4c 89 [ 53.931670] RSP: 0018:ffff8880841d7c48 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 53.939374] RAX: 0000000000000007 RBX: 0000000000000286 RCX: 0000000000000000 [ 53.946649] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000286 [ 53.953937] RBP: ffff8880841d7c68 R08: ffff888082c16200 R09: 0000000000000000 [ 53.961224] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a0268380 [ 53.968490] R13: ffff88812c3f01c0 R14: ffffffff819486b1 R15: ffff8880a0268380 [ 53.975766] ? kvfree+0x61/0x70 [ 53.979052] kvfree+0x61/0x70 [ 53.982156] kvm_arch_free_memslot+0x121/0x250 [ 53.986743] kvm_free_memslot+0xb8/0x110 [ 53.990852] kvm_free_memslots+0x5b/0xc0 [ 53.994916] kvm_put_kvm+0x7a2/0xc70 [ 53.998639] ? kvm_put_kvm+0xc70/0xc70 [ 54.002521] kvm_vm_release+0x44/0x60 [ 54.006345] __fput+0x2df/0x8d0 [ 54.009624] ____fput+0x16/0x20 [ 54.012903] task_work_run+0x14a/0x1c0 [ 54.016800] exit_to_usermode_loop+0x273/0x2c0 [ 54.021382] do_syscall_64+0x52d/0x610 [ 54.025273] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.030456] RIP: 0033:0x411d31 [ 54.033647] 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 [ 54.052547] RSP: 002b:00007ffc4be5c8a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 54.060284] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000411d31 [ 54.067566] RDX: 0000000000000000 RSI: 00000000007405a0 RDI: 0000000000000007 [ 54.074848] RBP: 0000000000000000 R08: 000000000000d16e R09: 000000000000d16e [ 54.082111] R10: 00007ffc4be5c7d0 R11: 0000000000000293 R12: 0000000000000000 [ 54.089375] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000 [ 54.096642] Modules linked in: [ 54.099838] ---[ end trace 1f01559ef2de96a4 ]--- [ 54.104596] RIP: 0010:kvm_spurious_fault+0x9/0x10 [ 54.109434] 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 [ 54.128332] RSP: 0018:ffff8880ae807e80 EFLAGS: 00010006 [ 54.133720] RAX: ffff888082c16200 RBX: ffff888081007810 RCX: ffffffff81329baa [ 54.140986] RDX: 0000000000010000 RSI: ffffffff810a1309 RDI: 0000000000000007 [ 54.148248] RBP: ffff8880ae807e80 R08: ffff888082c16200 R09: ffffed1015d05be9 [ 54.155523] R10: ffffed1015d05be8 R11: ffff8880ae82df47 R12: 1ffff11015d00fd3 [ 54.162788] R13: ffff888088d03000 R14: ffff8880ae807ef8 R15: 0000000000000000 [ 54.170057] FS: 0000000000fa8940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 54.178294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.184184] CR2: ffff8880ae807eb8 CR3: 0000000094b6b000 CR4: 00000000001426f0 [ 54.191467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.198751] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.206015] Kernel panic - not syncing: Fatal exception in interrupt [ 54.213532] Kernel Offset: disabled [ 54.217221] Rebooting in 86400 seconds..