[?25l[?1c7[ ok 8[?25h[?0c. [ 102.604288][ T33] audit: type=1800 audit(1580078184.684:25): pid=11042 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 102.644341][ T33] audit: type=1800 audit(1580078184.704:26): pid=11042 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 102.664835][ T33] audit: type=1800 audit(1580078184.714:27): pid=11042 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. syzkaller login: [ 116.757450][T11194] IPVS: ftp: loaded support on port[0] = 21 [ 116.855389][T11194] chnl_net:caif_netlink_parms(): no params data found [ 116.905931][T11194] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.913169][T11194] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.921543][T11194] device bridge_slave_0 entered promiscuous mode [ 116.930808][T11194] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.938166][T11194] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.947491][T11194] device bridge_slave_1 entered promiscuous mode [ 116.974452][T11194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 116.986657][T11194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.013614][T11194] team0: Port device team_slave_0 added [ 117.022204][T11194] team0: Port device team_slave_1 added [ 117.046665][T11194] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.053817][T11194] 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. [ 117.080601][T11194] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.093504][T11194] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.100974][T11194] 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. [ 117.127377][T11194] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.215466][T11194] device hsr_slave_0 entered promiscuous mode [ 117.282831][T11194] device hsr_slave_1 entered promiscuous mode [ 117.462896][T11194] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 117.506911][T11194] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 117.556326][T11194] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 117.615970][T11194] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 117.688959][T11194] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.696467][T11194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.704490][T11194] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.711661][T11194] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.773519][T11194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 117.791336][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 117.803581][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.812984][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.824728][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 117.840554][T11194] 8021q: adding VLAN 0 to HW filter on device team0 [ 117.852819][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 117.862822][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 117.872616][ T3940] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.880355][ T3940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.894742][T11196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 117.904767][T11196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 117.914129][T11196] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.921341][T11196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.937014][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.963229][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 117.974592][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 117.984994][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 117.995995][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 118.005585][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.019967][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 118.030971][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 118.040355][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 118.057555][T11194] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 118.069731][T11194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 118.078520][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 118.090634][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 118.114778][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 118.123730][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 118.139100][T11194] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.166618][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 118.177085][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 118.204589][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 118.214380][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 118.226846][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 118.235589][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 118.248459][T11194] device veth0_vlan entered promiscuous mode [ 118.264676][T11194] device veth1_vlan entered promiscuous mode [ 118.293285][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 118.302517][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 118.311447][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 118.320968][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 118.335140][T11194] device veth0_macvtap entered promiscuous mode [ 118.346922][T11194] device veth1_macvtap entered promiscuous mode [ 118.370169][T11194] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 118.378665][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 118.387944][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 118.396944][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 118.406714][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 118.423184][T11194] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 118.431197][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready executing program [ 118.441461][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 118.468913][T11194] ===================================================== [ 118.476125][T11194] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x5f4/0x34f0 [ 118.483250][T11194] CPU: 0 PID: 11194 Comm: syz-executor115 Not tainted 5.5.0-rc5-syzkaller #0 [ 118.492133][T11194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.502181][T11194] Call Trace: [ 118.505478][T11194] dump_stack+0x1c9/0x220 [ 118.510755][T11194] kmsan_report+0xf7/0x1e0 [ 118.515243][T11194] __msan_warning+0x58/0xa0 [ 118.519731][T11194] ip_tunnel_xmit+0x5f4/0x34f0 [ 118.524482][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.530267][T11194] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.536321][T11194] ? skb_push+0x15b/0x250 [ 118.540630][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.546429][T11194] ? __msan_metadata_ptr_for_store_2+0x13/0x20 [ 118.553259][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.558437][T11194] ipgre_xmit+0xfe7/0x1110 [ 118.562841][T11194] ? ipgre_close+0x240/0x240 [ 118.567412][T11194] dev_hard_start_xmit+0x531/0xab0 [ 118.572514][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.577691][T11194] __dev_queue_xmit+0x37de/0x4220 [ 118.582718][T11194] dev_queue_xmit+0x4b/0x60 [ 118.587247][T11194] ? netdev_core_pick_tx+0x4d0/0x4d0 [ 118.592523][T11194] packet_sendmsg+0x8436/0x92f0 [ 118.597362][T11194] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 118.603422][T11194] ? __pagevec_lru_add_fn+0xcef/0xfa0 [ 118.608786][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.614064][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.619855][T11194] ? kmsan_get_metadata+0x4f/0x180 [ 118.624956][T11194] ? kmsan_internal_set_origin+0x75/0xb0 [ 118.630742][T11194] ? slabs_cpu_partial_show+0x3e0/0x790 [ 118.636265][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.642054][T11194] ? aa_sk_perm+0x83c/0xcd0 [ 118.646577][T11194] ? compat_packet_setsockopt+0x360/0x360 [ 118.652468][T11194] ____sys_sendmsg+0x12b6/0x1350 [ 118.657417][T11194] __sys_sendmsg+0x451/0x5f0 [ 118.662012][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.667195][T11194] __se_sys_sendmsg+0x97/0xb0 [ 118.671877][T11194] __x64_sys_sendmsg+0x4a/0x70 [ 118.676633][T11194] do_syscall_64+0xb8/0x160 [ 118.681118][T11194] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 118.686998][T11194] RIP: 0033:0x442519 [ 118.690968][T11194] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 118.710549][T11194] RSP: 002b:00007ffc802dd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.719380][T11194] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442519 [ 118.727332][T11194] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 118.735383][T11194] RBP: 00007ffc802dd180 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 118.743454][T11194] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 118.751723][T11194] R13: 0000000000403ab0 R14: 0000000000000000 R15: 0000000000000000 [ 118.759699][T11194] [ 118.762018][T11194] Uninit was created at: [ 118.766314][T11194] kmsan_internal_poison_shadow+0x66/0xd0 [ 118.772022][T11194] kmsan_slab_alloc+0x8a/0xe0 [ 118.776827][T11194] __kmalloc_node_track_caller+0xb40/0x1200 [ 118.782715][T11194] __alloc_skb+0x2fd/0xac0 [ 118.787118][T11194] alloc_skb_with_frags+0x18c/0xa70 [ 118.792301][T11194] sock_alloc_send_pskb+0xada/0xc60 [ 118.797483][T11194] packet_sendmsg+0x656e/0x92f0 [ 118.802318][T11194] ____sys_sendmsg+0x12b6/0x1350 [ 118.807668][T11194] __sys_sendmsg+0x451/0x5f0 [ 118.812240][T11194] __se_sys_sendmsg+0x97/0xb0 [ 118.816903][T11194] __x64_sys_sendmsg+0x4a/0x70 [ 118.821656][T11194] do_syscall_64+0xb8/0x160 [ 118.826158][T11194] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 118.832029][T11194] ===================================================== [ 118.838954][T11194] Disabling lock debugging due to kernel taint [ 118.845113][T11194] Kernel panic - not syncing: panic_on_warn set ... [ 118.851699][T11194] CPU: 0 PID: 11194 Comm: syz-executor115 Tainted: G B 5.5.0-rc5-syzkaller #0 [ 118.862435][T11194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.872470][T11194] Call Trace: [ 118.875748][T11194] dump_stack+0x1c9/0x220 [ 118.880074][T11194] panic+0x3d5/0xc3e [ 118.883971][T11194] kmsan_report+0x1df/0x1e0 [ 118.888475][T11194] __msan_warning+0x58/0xa0 [ 118.893005][T11194] ip_tunnel_xmit+0x5f4/0x34f0 [ 118.897755][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.903575][T11194] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.909628][T11194] ? skb_push+0x15b/0x250 [ 118.913948][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.920279][T11194] ? __msan_metadata_ptr_for_store_2+0x13/0x20 [ 118.926446][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.931650][T11194] ipgre_xmit+0xfe7/0x1110 [ 118.936085][T11194] ? ipgre_close+0x240/0x240 [ 118.940672][T11194] dev_hard_start_xmit+0x531/0xab0 [ 118.945772][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.950967][T11194] __dev_queue_xmit+0x37de/0x4220 [ 118.955999][T11194] dev_queue_xmit+0x4b/0x60 [ 118.960483][T11194] ? netdev_core_pick_tx+0x4d0/0x4d0 [ 118.965749][T11194] packet_sendmsg+0x8436/0x92f0 [ 118.970581][T11194] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 118.977587][T11194] ? __pagevec_lru_add_fn+0xcef/0xfa0 [ 118.982967][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 118.988148][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 118.993946][T11194] ? kmsan_get_metadata+0x4f/0x180 [ 118.999335][T11194] ? kmsan_internal_set_origin+0x75/0xb0 [ 119.005153][T11194] ? slabs_cpu_partial_show+0x3e0/0x790 [ 119.010805][T11194] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 119.016817][T11194] ? aa_sk_perm+0x83c/0xcd0 [ 119.021348][T11194] ? compat_packet_setsockopt+0x360/0x360 [ 119.027053][T11194] ____sys_sendmsg+0x12b6/0x1350 [ 119.032128][T11194] __sys_sendmsg+0x451/0x5f0 [ 119.036833][T11194] ? kmsan_get_metadata+0x11d/0x180 [ 119.042158][T11194] __se_sys_sendmsg+0x97/0xb0 [ 119.047550][T11194] __x64_sys_sendmsg+0x4a/0x70 [ 119.053009][T11194] do_syscall_64+0xb8/0x160 [ 119.057502][T11194] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 119.063378][T11194] RIP: 0033:0x442519 [ 119.067269][T11194] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 119.086876][T11194] RSP: 002b:00007ffc802dd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.095279][T11194] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442519 [ 119.103245][T11194] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 119.112093][T11194] RBP: 00007ffc802dd180 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 119.120062][T11194] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 119.128130][T11194] R13: 0000000000403ab0 R14: 0000000000000000 R15: 0000000000000000 [ 119.137750][T11194] Kernel Offset: 0x28400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 119.149387][T11194] Rebooting in 86400 seconds..