Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. 2020/01/26 19:57:51 parsed 1 programs 2020/01/26 19:57:51 executed programs: 0 [ 67.489202] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 67.503272] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 67.512407] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 67.521124] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 67.529489] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 67.537660] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 67.558166] IPVS: Creating netns size=2712 id=2 [ 67.562988] IPVS: ftp: loaded support on port[0] = 21 [ 67.642559] IPVS: Creating netns size=2712 id=3 [ 67.647944] IPVS: ftp: loaded support on port[0] = 21 [ 67.792036] chnl_net:caif_netlink_parms(): no params data found [ 67.820167] IPVS: Creating netns size=2712 id=4 [ 67.825027] IPVS: ftp: loaded support on port[0] = 21 [ 68.050896] IPVS: Creating netns size=2712 id=5 [ 68.055778] IPVS: ftp: loaded support on port[0] = 21 [ 68.117222] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.124254] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.133788] device bridge_slave_0 entered promiscuous mode [ 68.169169] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.175658] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.185265] device bridge_slave_1 entered promiscuous mode [ 68.283776] chnl_net:caif_netlink_parms(): no params data found [ 68.357422] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.396592] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.430715] chnl_net:caif_netlink_parms(): no params data found [ 68.444120] IPVS: Creating netns size=2712 id=6 [ 68.449634] IPVS: ftp: loaded support on port[0] = 21 [ 68.730965] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.737355] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.747044] device bridge_slave_0 entered promiscuous mode [ 68.834324] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 68.842260] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.849724] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.859639] device bridge_slave_1 entered promiscuous mode [ 68.889991] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.896431] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.908009] device bridge_slave_0 entered promiscuous mode [ 68.923981] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 68.953412] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.960433] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.970251] device bridge_slave_1 entered promiscuous mode [ 68.984744] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.047246] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.058713] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.071148] IPVS: Creating netns size=2712 id=7 [ 69.075981] IPVS: ftp: loaded support on port[0] = 21 [ 69.143200] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.160962] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.172983] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.181445] chnl_net:caif_netlink_parms(): no params data found [ 69.343803] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.401405] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.805869] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.812668] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.822230] device bridge_slave_0 entered promiscuous mode [ 69.837866] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.845203] chnl_net:caif_netlink_parms(): no params data found [ 69.861231] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.881154] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.887749] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.897396] device bridge_slave_1 entered promiscuous mode [ 69.905864] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.914333] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.119505] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.189627] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.218247] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.226209] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.288987] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.422754] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.519123] chnl_net:caif_netlink_parms(): no params data found [ 70.534489] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.541522] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.550990] device bridge_slave_0 entered promiscuous mode [ 70.635313] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.642556] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.651777] device bridge_slave_1 entered promiscuous mode [ 70.838908] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.849040] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.860758] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.901011] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.910426] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 71.129918] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 71.139391] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 71.146346] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.152756] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.162056] device bridge_slave_0 entered promiscuous mode [ 71.225811] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.232269] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.242434] device bridge_slave_1 entered promiscuous mode [ 71.437759] ------------[ cut here ]------------ [ 71.443674] WARNING: CPU: 0 PID: 7812 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 71.451789] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 71.458826] Kernel panic - not syncing: panic_on_warn set ... [ 71.458826] [ 71.466177] CPU: 0 PID: 7812 Comm: syz-executor.4 Not tainted 4.6.0-syzkaller #0 [ 71.473688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.483024] 1ffffffff0dd577e ffff8800b9d9efb0 ffffffff82c7d0a6 ffffffff85e83680 [ 71.491041] ffff8800b9d9f088 ffffffff85f2e180 ffffffff8192854b ffff8800b9d9f078 [ 71.499098] ffffffff8161275e 0000000041b58ab3 ffffffff86afb98f ffffffff816125af [ 71.507099] Call Trace: [ 71.509669] [] dump_stack+0xe6/0x120 [ 71.515016] [] ? sysfs_warn_dup+0x7b/0xa0 [ 71.520796] [] panic+0x1af/0x348 [ 71.525836] [] ? set_ti_thread_flag+0xf/0xf [ 71.531793] [] ? sysfs_warn_dup+0x7b/0xa0 [ 71.537575] [] __warn+0x18d/0x1b0 [ 71.542654] [] warn_slowpath_fmt+0x92/0xb0 [ 71.548519] [] ? __warn+0x1b0/0x1b0 [ 71.553773] [] ? kernfs_path_from_node+0x4a/0x60 [ 71.560163] [] sysfs_warn_dup+0x7b/0xa0 [ 71.565897] [] sysfs_do_create_link_sd.isra.2+0xd1/0xf0 [ 71.572892] [] sysfs_create_link+0x43/0xb0 [ 71.578756] [] device_add+0x689/0x1360 [ 71.584275] [] ? kfree_const+0x1d/0x20 [ 71.589822] [] ? device_private_init+0x180/0x180 [ 71.596213] [] ? kfree_const+0x1d/0x20 [ 71.601733] [] ? kobject_set_name_vargs+0xb4/0x130 [ 71.608302] [] device_create_groups_vargs+0x1c8/0x220 [ 71.615138] [] device_create+0x88/0xa0 [ 71.620669] [] ? device_create_vargs+0x20/0x20 [ 71.626881] [] ? macvlan_set_mac_address+0x150/0x150 [ 71.633619] [] macvtap_device_event+0x1c4/0x2a0 [ 71.639921] [] notifier_call_chain+0x8b/0x170 [ 71.646041] [] raw_notifier_call_chain+0x11/0x20 [ 71.652431] [] call_netdevice_notifiers_info+0x47/0x80 [ 71.659450] [] register_netdevice+0x88a/0xce0 [ 71.665578] [] ? netdev_change_features+0x80/0x80 [ 71.672055] [] ? dev_get_nest_level+0x10c/0x1a0 [ 71.678360] [] macvlan_common_newlink+0x8b9/0x1090 [ 71.684921] [] macvtap_newlink+0xbf/0x110 [ 71.690702] [] ? __netlink_ns_capable+0xc7/0xf0 [ 71.697056] [] rtnl_newlink+0xd4b/0x1230 [ 71.702750] [] ? rtnl_link_ops_get+0x5d/0x90 [ 71.708923] [] ? rtnl_newlink+0x319/0x1230 [ 71.714966] [] ? rtnl_setlink+0x2f0/0x2f0 [ 71.720747] [] ? avc_has_perm_noaudit+0x232/0x3f0 [ 71.727424] [] ? avc_has_perm_noaudit+0x24f/0x3f0 [ 71.733907] [] ? avc_has_perm_noaudit+0x8c/0x3f0 [ 71.740306] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 71.747467] [] ? cred_has_capability+0x112/0x220 [ 71.753863] [] ? __netlink_ns_capable+0xc7/0xf0 [ 71.760166] [] rtnetlink_rcv_msg+0x222/0x680 [ 71.766258] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 71.773163] [] ? rtnetlink_rcv+0x30/0x30 [ 71.778852] [] ? mutex_lock_nested+0x638/0xb30 [ 71.785065] [] ? rtnetlink_rcv+0x16/0x30 [ 71.790858] [] ? netlink_lookup+0xd4/0x630 [ 71.796760] [] netlink_rcv_skb+0x242/0x350 [ 71.802629] [] ? rtnetlink_rcv+0x30/0x30 [ 71.808327] [] rtnetlink_rcv+0x25/0x30 [ 71.813851] [] netlink_unicast+0x455/0x660 [ 71.819717] [] ? netlink_unicast+0x3b5/0x660 [ 71.825758] [] ? netlink_attachskb+0x730/0x730 [ 71.831998] [] netlink_sendmsg+0x893/0xb40 [ 71.837864] [] ? netlink_unicast+0x660/0x660 [ 71.844055] [] ? selinux_socket_sendmsg+0x3a/0x50 [ 71.850536] [] ? security_socket_sendmsg+0x6a/0xa0 [ 71.857098] [] ? netlink_unicast+0x660/0x660 [ 71.863137] [] sock_sendmsg+0xb5/0xf0 [ 71.868569] [] SYSC_sendto+0x1c9/0x300 [ 71.874136] [] ? SYSC_connect+0x2a0/0x2a0 [ 71.879918] [] ? mntput_no_expire+0xb1/0x600 [ 71.886463] [] ? mntput_no_expire+0xce/0x600 [ 71.892519] [] ? mnt_get_count+0x1c0/0x1c0 [ 71.898389] [] ? mntput+0x52/0x70 [ 71.903482] [] ? ___might_sleep+0x331/0x440 [ 71.909434] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 71.916259] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 71.922822] [] SyS_sendto+0x9/0x10 [ 71.927994] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 71.936040] Kernel Offset: disabled