[ 82.061833][ T27] audit: type=1800 audit(1581702968.594:27): pid=9999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 82.127616][ T27] audit: type=1800 audit(1581702968.604:28): pid=9999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. [ 83.013332][ T27] audit: type=1800 audit(1581702969.614:29): pid=9999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 83.034485][ T27] audit: type=1800 audit(1581702969.614:30): pid=9999 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.1.51' (ECDSA) to the list of known hosts. syzkaller login: [ 92.124960][T10154] IPVS: ftp: loaded support on port[0] = 21 [ 92.179289][T10154] chnl_net:caif_netlink_parms(): no params data found [ 92.231659][T10154] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.239154][T10154] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.247429][T10154] device bridge_slave_0 entered promiscuous mode [ 92.257559][T10154] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.264827][T10154] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.272988][T10154] device bridge_slave_1 entered promiscuous mode [ 92.291907][T10154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.302870][T10154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.322309][T10154] team0: Port device team_slave_0 added [ 92.330212][T10154] team0: Port device team_slave_1 added [ 92.345769][T10154] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.353065][T10154] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.379868][T10154] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.392739][T10154] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.399822][T10154] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.426019][T10154] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.501074][T10154] device hsr_slave_0 entered promiscuous mode [ 92.549163][T10154] device hsr_slave_1 entered promiscuous mode [ 92.705648][T10154] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.772003][T10154] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.851272][T10154] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.931157][T10154] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.025168][T10154] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.032514][T10154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.040551][T10154] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.047867][T10154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.095074][T10154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.108550][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.120705][ T2714] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.129332][ T2714] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.137837][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.151619][T10154] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.164366][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.173106][ T2733] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.180572][ T2733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.194253][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.203559][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.212091][ T2714] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.219207][ T2714] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.240055][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.248624][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.257611][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.266356][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.275511][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.284980][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.301035][T10154] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.312552][T10154] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.325520][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.334276][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.342936][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.353648][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.362365][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.372292][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.390247][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.397770][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.412429][T10154] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.431956][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.441419][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.461014][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.469766][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.480933][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.488717][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.498707][T10154] device veth0_vlan entered promiscuous mode [ 93.511873][T10154] device veth1_vlan entered promiscuous mode [ 93.533696][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.542667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.551114][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.560071][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.571125][T10154] device veth0_macvtap entered promiscuous mode [ 93.583679][T10154] device veth1_macvtap entered promiscuous mode [ 93.603966][T10154] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.611894][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.620353][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.628333][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.637299][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.650380][T10154] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.657733][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.667397][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 94.296334][T10160] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN [ 94.308095][T10160] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 94.316552][T10160] CPU: 0 PID: 10160 Comm: syz-executor066 Not tainted 5.6.0-rc1-next-20200214-syzkaller #0 [ 94.326534][T10160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.336683][T10160] RIP: 0010:__lock_acquire+0x1656/0x6320 [ 94.342295][T10160] Code: 00 0f 85 11 30 00 00 48 81 c4 08 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 cc 32 00 00 49 81 3e 60 97 e0 8a 0f 84 5d ea ff [ 94.361879][T10160] RSP: 0018:ffffc9000648fa00 EFLAGS: 00010006 [ 94.367939][T10160] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 94.375891][T10160] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 94.383853][T10160] RBP: ffffc9000648fb30 R08: 0000000000000001 R09: 0000000000000001 [ 94.391811][T10160] R10: fffffbfff154bf68 R11: ffff888097838040 R12: 0000000000000018 [ 94.399777][T10160] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000001 [ 94.407741][T10160] FS: 00007fd0983a2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 94.416668][T10160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.423236][T10160] CR2: 00000000004ae680 CR3: 0000000094342000 CR4: 00000000001406f0 [ 94.431203][T10160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.439181][T10160] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.447161][T10160] Call Trace: [ 94.450470][T10160] ? __kasan_check_read+0x11/0x20 [ 94.455477][T10160] ? mark_lock+0xc2/0x1220 [ 94.459878][T10160] ? __kasan_check_read+0x11/0x20 [ 94.464879][T10160] ? __lock_acquire+0x1af3/0x6320 [ 94.469925][T10160] ? _raw_spin_unlock_irq+0x23/0x80 [ 94.475109][T10160] ? mark_held_locks+0xf0/0xf0 [ 94.479853][T10160] lock_acquire+0x190/0x410 [ 94.484333][T10160] ? prepare_to_wait+0x7c/0x300 [ 94.489179][T10160] _raw_spin_lock_irqsave+0x95/0xcd [ 94.494350][T10160] ? prepare_to_wait+0x7c/0x300 [ 94.499175][T10160] prepare_to_wait+0x7c/0x300 [ 94.503864][T10160] ? lock_sock_nested+0x9a/0x120 [ 94.508788][T10160] ? add_wait_queue_exclusive+0x1a0/0x1a0 [ 94.514497][T10160] ? lock_sock_nested+0xe2/0x120 [ 94.519443][T10160] nr_accept+0x245/0x770 [ 94.523675][T10160] ? nr_recvmsg+0x4d0/0x4d0 [ 94.528183][T10160] ? __alloc_fd+0x487/0x620 [ 94.532685][T10160] ? finish_wait+0x260/0x260 [ 94.537408][T10160] ? apparmor_socket_accept+0xb6/0x160 [ 94.542885][T10160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.549125][T10160] ? nr_recvmsg+0x4d0/0x4d0 [ 94.553636][T10160] __sys_accept4_file+0x3be/0x5e0 [ 94.558662][T10160] ? __ia32_sys_listen+0x80/0x80 [ 94.563596][T10160] ? do_dup2+0x4f0/0x4f0 [ 94.567839][T10160] ? __x64_sys_futex+0x404/0x590 [ 94.572781][T10160] ? __fget_light+0x1ad/0x270 [ 94.577517][T10160] __sys_accept4+0x5a/0xa0 [ 94.581925][T10160] __x64_sys_accept+0x75/0xb0 [ 94.586598][T10160] do_syscall_64+0xfa/0x790 [ 94.591102][T10160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.597060][T10160] RIP: 0033:0x448eb9 [ 94.601052][T10160] Code: e8 ec 14 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.620755][T10160] RSP: 002b:00007fd0983a1db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002b [ 94.629156][T10160] RAX: ffffffffffffffda RBX: 00000000006dec58 RCX: 0000000000448eb9 [ 94.637165][T10160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 94.645181][T10160] RBP: 00000000006dec50 R08: 0000000000000000 R09: 0000000000000000 [ 94.653144][T10160] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec5c [ 94.661230][T10160] R13: 00007ffdf4bede8f R14: 00007fd0983a29c0 R15: 000000000000002d [ 94.669215][T10160] Modules linked in: [ 94.673108][T10160] ---[ end trace 8fb9009f8615876c ]--- [ 94.678620][T10160] RIP: 0010:__lock_acquire+0x1656/0x6320 [ 94.684239][T10160] Code: 00 0f 85 11 30 00 00 48 81 c4 08 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 cc 32 00 00 49 81 3e 60 97 e0 8a 0f 84 5d ea ff [ 94.703838][T10160] RSP: 0018:ffffc9000648fa00 EFLAGS: 00010006 [ 94.710028][T10160] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 94.718030][T10160] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001 [ 94.726006][T10160] RBP: ffffc9000648fb30 R08: 0000000000000001 R09: 0000000000000001 [ 94.733975][T10160] R10: fffffbfff154bf68 R11: ffff888097838040 R12: 0000000000000018 [ 94.741930][T10160] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000001 [ 94.749894][T10160] FS: 00007fd0983a2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 94.758823][T10160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.765479][T10160] CR2: 00000000004ae680 CR3: 0000000094342000 CR4: 00000000001406f0 [ 94.773445][T10160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.781426][T10160] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.789391][T10160] Kernel panic - not syncing: Fatal exception [ 94.796673][T10160] Kernel Offset: disabled [ 94.801003][T10160] Rebooting in 86400 seconds..