Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. 2020/05/01 05:15:13 parsed 1 programs 2020/05/01 05:15:13 executed programs: 0 [ 44.034445] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 44.047886] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 44.055918] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 44.063760] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 44.071675] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 44.079656] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 44.098089] IPVS: Creating netns size=2712 id=2 [ 44.102830] IPVS: ftp: loaded support on port[0] = 21 [ 44.179013] IPVS: Creating netns size=2712 id=3 [ 44.184916] IPVS: ftp: loaded support on port[0] = 21 [ 44.337731] chnl_net:caif_netlink_parms(): no params data found [ 44.374364] IPVS: Creating netns size=2712 id=4 [ 44.379631] IPVS: ftp: loaded support on port[0] = 21 [ 44.588858] IPVS: Creating netns size=2712 id=5 [ 44.594348] IPVS: ftp: loaded support on port[0] = 21 [ 44.647483] chnl_net:caif_netlink_parms(): no params data found [ 44.727140] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.733564] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.743305] device bridge_slave_0 entered promiscuous mode [ 44.776798] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.783287] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.793056] device bridge_slave_1 entered promiscuous mode [ 44.941555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.983256] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.006986] chnl_net:caif_netlink_parms(): no params data found [ 45.008496] IPVS: Creating netns size=2712 id=6 [ 45.008618] IPVS: ftp: loaded support on port[0] = 21 [ 45.249489] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 45.358638] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.367234] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.377011] device bridge_slave_0 entered promiscuous mode [ 45.384216] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 45.417085] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.423448] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.433578] device bridge_slave_1 entered promiscuous mode [ 45.441093] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.448842] chnl_net:caif_netlink_parms(): no params data found [ 45.490162] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.564555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.582054] IPVS: Creating netns size=2712 id=7 [ 45.587111] IPVS: ftp: loaded support on port[0] = 21 [ 45.639162] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.800435] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.808705] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.837569] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.843939] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.854456] device bridge_slave_0 entered promiscuous mode [ 45.890463] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.898320] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.909714] device bridge_slave_1 entered promiscuous mode [ 46.218540] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.227724] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.234957] chnl_net:caif_netlink_parms(): no params data found [ 46.261032] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.267626] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.277504] device bridge_slave_0 entered promiscuous mode [ 46.287408] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.303513] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.343948] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.350687] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.361016] device bridge_slave_1 entered promiscuous mode [ 46.583943] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.641084] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.666356] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.716876] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.912389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.979374] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.012322] chnl_net:caif_netlink_parms(): no params data found [ 47.212363] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.231776] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.238510] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.248159] device bridge_slave_0 entered promiscuous mode [ 47.257047] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.286663] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.294376] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.302436] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.312002] device bridge_slave_1 entered promiscuous mode [ 47.383723] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.393033] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.495669] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.505779] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.574260] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.584064] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.688979] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.818882] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.826176] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.836240] device bridge_slave_0 entered promiscuous mode [ 47.888229] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.895352] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.904097] device bridge_slave_1 entered promiscuous mode [ 48.054233] ------------[ cut here ]------------ [ 48.059049] WARNING: CPU: 0 PID: 5931 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 48.067599] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 48.074754] Kernel panic - not syncing: panic_on_warn set ... [ 48.074754] [ 48.082223] CPU: 0 PID: 5931 Comm: syz-executor.3 Not tainted 4.6.0-syzkaller #0 [ 48.089737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.099072] 0000000000000000 ffff8800b9d6efc8 ffffffff82c65932 ffffffff85e81040 [ 48.107096] ffff8800b9d6f0a0 ffffffff85f2bdc0 ffffffff8191b86b 0000000000000009 [ 48.115102] ffff8800b9d6f090 ffffffff8160d374 0000000041b58ab3 ffffffff86b12d72 [ 48.123395] Call Trace: [ 48.125958] [] dump_stack+0x136/0x1d4 [ 48.131380] [] ? sysfs_warn_dup+0x7b/0xa0 [ 48.137152] [] panic+0x1af/0x348 [ 48.142137] [] ? to_vmem_altmap+0x125/0x125 [ 48.148084] [] ? sysfs_warn_dup+0x7b/0xa0 [ 48.153855] [] __warn+0x18d/0x1b0 [ 48.158932] [] warn_slowpath_fmt+0x92/0xb0 [ 48.164790] [] ? __warn+0x1b0/0x1b0 [ 48.170043] [] ? kernfs_path_from_node+0x4a/0x60 [ 48.176433] [] sysfs_warn_dup+0x7b/0xa0 [ 48.182044] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 48.189027] [] sysfs_create_link+0x43/0xb0 [ 48.194903] [] device_add+0x677/0x1350 [ 48.200412] [] ? device_private_init+0x180/0x180 [ 48.206798] [] ? kfree_const+0x1d/0x20 [ 48.212305] [] ? kobject_set_name_vargs+0xb4/0x130 [ 48.218870] [] device_create_groups_vargs+0x1c8/0x220 [ 48.225690] [] device_create+0x88/0xa0 [ 48.231205] [] ? device_create_vargs+0x20/0x20 [ 48.237406] [] ? macvlan_set_mac_address+0x150/0x150 [ 48.244127] [] macvtap_device_event+0x1c4/0x2a0 [ 48.250415] [] notifier_call_chain+0x8b/0x170 [ 48.256547] [] raw_notifier_call_chain+0x11/0x20 [ 48.262933] [] call_netdevice_notifiers_info+0x47/0x80 [ 48.269832] [] register_netdevice+0x8e8/0xd00 [ 48.275962] [] ? netdev_change_features+0x80/0x80 [ 48.282475] [] ? dev_get_nest_level+0x10c/0x1a0 [ 48.288773] [] macvlan_common_newlink+0x8b9/0x1090 [ 48.295338] [] macvtap_newlink+0xbf/0x110 [ 48.301108] [] ? __netlink_ns_capable+0xc7/0xf0 [ 48.307581] [] rtnl_newlink+0xd4b/0x1230 [ 48.313261] [] ? rtnl_link_ops_get+0x5d/0x90 [ 48.319303] [] ? rtnl_newlink+0x319/0x1230 [ 48.325166] [] ? load_balance+0x967/0x1ef0 [ 48.331023] [] ? rtnl_setlink+0x2f0/0x2f0 [ 48.336793] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 48.343518] [] ? __lock_acquire+0x15c3/0x5990 [ 48.349651] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.356651] [] ? __netlink_ns_capable+0xc7/0xf0 [ 48.362943] [] rtnetlink_rcv_msg+0x222/0x680 [ 48.368989] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 48.375814] [] ? rtnetlink_rcv+0x30/0x30 [ 48.382400] [] ? mutex_lock_nested+0x5fd/0xb30 [ 48.388611] [] ? rtnetlink_rcv+0x16/0x30 [ 48.394302] [] ? netlink_seq_start+0xe0/0xe0 [ 48.400336] [] netlink_rcv_skb+0x242/0x350 [ 48.406202] [] ? rtnetlink_rcv+0x30/0x30 [ 48.411896] [] rtnetlink_rcv+0x25/0x30 [ 48.417403] [] netlink_unicast+0x3da/0x560 [ 48.423268] [] ? netlink_sendskb+0x40/0x40 [ 48.429137] [] netlink_sendmsg+0x9bb/0xb40 [ 48.435094] [] ? nlmsg_notify+0xf0/0xf0 [ 48.440688] [] ? __might_fault+0xf1/0x1b0 [ 48.446458] [] ? nlmsg_notify+0xf0/0xf0 [ 48.452055] [] sock_sendmsg+0xb5/0xf0 [ 48.457474] [] SyS_sendto+0x1ca/0x290 [ 48.462906] [] ? SyS_getpeername+0x240/0x240 [ 48.468935] [] ? mntput_no_expire+0xce/0x600 [ 48.474961] [] ? mnt_get_count+0x1c0/0x1c0 [ 48.480828] [] ? mntput+0x52/0x70 [ 48.485967] [] ? task_work_run+0x14a/0x200 [ 48.491880] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 48.498789] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 48.505341] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 48.513305] Kernel Offset: disabled