Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. 2020/06/05 02:15:34 parsed 1 programs 2020/06/05 02:15:34 executed programs: 0 [ 38.464564] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 38.474536] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 38.489514] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 38.498256] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 38.506840] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 38.515030] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 38.531994] IPVS: Creating netns size=2712 id=2 [ 38.536811] IPVS: ftp: loaded support on port[0] = 21 [ 38.609259] IPVS: Creating netns size=2712 id=3 [ 38.614191] IPVS: ftp: loaded support on port[0] = 21 [ 38.763125] chnl_net:caif_netlink_parms(): no params data found [ 38.779279] IPVS: Creating netns size=2712 id=4 [ 38.785102] IPVS: ftp: loaded support on port[0] = 21 [ 38.919647] IPVS: Creating netns size=2712 id=5 [ 38.924722] IPVS: ftp: loaded support on port[0] = 21 [ 39.024160] chnl_net:caif_netlink_parms(): no params data found [ 39.231488] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.237972] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.247685] device bridge_slave_0 entered promiscuous mode [ 39.264615] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.271248] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.280328] device bridge_slave_1 entered promiscuous mode [ 39.299756] IPVS: Creating netns size=2712 id=6 [ 39.304896] IPVS: ftp: loaded support on port[0] = 21 [ 39.343577] chnl_net:caif_netlink_parms(): no params data found [ 39.431558] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.468279] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.657543] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.664698] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.674313] device bridge_slave_0 entered promiscuous mode [ 39.698141] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.705781] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.714977] IPVS: Creating netns size=2712 id=7 [ 39.717602] device bridge_slave_1 entered promiscuous mode [ 39.726051] IPVS: ftp: loaded support on port[0] = 21 [ 39.870118] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 39.878242] chnl_net:caif_netlink_parms(): no params data found [ 39.898169] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.927483] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 39.936530] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.015792] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.031331] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.129560] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.135987] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.145234] device bridge_slave_0 entered promiscuous mode [ 40.233983] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.240678] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.250179] device bridge_slave_1 entered promiscuous mode [ 40.289400] chnl_net:caif_netlink_parms(): no params data found [ 40.315727] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.351919] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.389225] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.442665] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.716135] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.724491] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.731041] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.740710] device bridge_slave_0 entered promiscuous mode [ 40.839175] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.846558] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.855063] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.864091] device bridge_slave_1 entered promiscuous mode [ 41.040805] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.057413] chnl_net:caif_netlink_parms(): no params data found [ 41.106730] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.116755] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.126438] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.132901] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.141879] device bridge_slave_0 entered promiscuous mode [ 41.149641] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.156754] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.206547] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.213040] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.222469] device bridge_slave_1 entered promiscuous mode [ 41.230317] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.402383] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.412360] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.442175] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.453366] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.488581] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.589892] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.649470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.863477] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.870902] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.877298] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.886505] device bridge_slave_0 entered promiscuous mode [ 41.925212] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.932139] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.938819] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.948224] device bridge_slave_1 entered promiscuous mode [ 41.955334] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.044416] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.063108] ------------[ cut here ]------------ [ 42.067913] WARNING: CPU: 1 PID: 5879 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 42.075683] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 42.082849] Kernel panic - not syncing: panic_on_warn set ... [ 42.082849] [ 42.090382] CPU: 1 PID: 5879 Comm: syz-executor.3 Not tainted 4.6.0-syzkaller #0 [ 42.097883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.107209] 0000000000000000 ffff8800b10befc8 ffffffff82c65e52 ffffffff85c81040 [ 42.115211] ffff8800b10bf0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 42.123205] ffff8800b10bf090 ffffffff8160d884 0000000041b58ab3 ffffffff868f05e2 [ 42.131558] Call Trace: [ 42.134115] [] dump_stack+0x136/0x1d4 [ 42.139550] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.145317] [] panic+0x1af/0x348 [ 42.150303] [] ? to_vmem_altmap+0x125/0x125 [ 42.156243] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.162011] [] __warn+0x18d/0x1b0 [ 42.167082] [] warn_slowpath_fmt+0x92/0xb0 [ 42.172953] [] ? __warn+0x1b0/0x1b0 [ 42.178202] [] ? kernfs_path_from_node+0x4a/0x60 [ 42.184750] [] sysfs_warn_dup+0x7b/0xa0 [ 42.190360] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 42.197358] [] sysfs_create_link+0x43/0xb0 [ 42.203313] [] device_add+0x677/0x1350 [ 42.208833] [] ? device_private_init+0x180/0x180 [ 42.215223] [] ? kfree_const+0x1d/0x20 [ 42.220749] [] ? kobject_set_name_vargs+0xb4/0x130 [ 42.227311] [] device_create_groups_vargs+0x1c8/0x220 [ 42.234132] [] device_create+0x88/0xa0 [ 42.239637] [] ? device_create_vargs+0x20/0x20 [ 42.245838] [] ? macvlan_set_mac_address+0x150/0x150 [ 42.252562] [] macvtap_device_event+0x1c4/0x2a0 [ 42.258851] [] notifier_call_chain+0x8b/0x170 [ 42.264985] [] raw_notifier_call_chain+0x11/0x20 [ 42.271359] [] call_netdevice_notifiers_info+0x47/0x80 [ 42.278280] [] register_netdevice+0x8e8/0xd00 [ 42.284754] [] ? netdev_change_features+0x80/0x80 [ 42.291232] [] ? dev_get_nest_level+0x10c/0x1a0 [ 42.298414] [] macvlan_common_newlink+0x8b9/0x1090 [ 42.304975] [] macvtap_newlink+0xbf/0x110 [ 42.310745] [] ? __netlink_ns_capable+0xc7/0xf0 [ 42.317091] [] rtnl_newlink+0xd4b/0x1230 [ 42.322775] [] ? rtnl_link_ops_get+0x5d/0x90 [ 42.328820] [] ? rtnl_newlink+0x319/0x1230 [ 42.334675] [] ? find_next_bit+0x15/0x20 [ 42.340373] [] ? rtnl_setlink+0x2f0/0x2f0 [ 42.346230] [] ? cpuacct_css_alloc+0x160/0x160 [ 42.352484] [] ? update_blocked_averages+0x8f7/0x1540 [ 42.359349] [] ? find_busiest_group+0x2510/0x2510 [ 42.365860] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.372858] [] ? __netlink_ns_capable+0xc7/0xf0 [ 42.379146] [] rtnetlink_rcv_msg+0x222/0x680 [ 42.385174] [] ? rtnetlink_rcv+0x30/0x30 [ 42.390858] [] ? mutex_lock_nested+0x5fd/0xb30 [ 42.397145] [] ? rtnetlink_rcv+0x16/0x30 [ 42.402850] [] ? netlink_seq_start+0xe0/0xe0 [ 42.408883] [] netlink_rcv_skb+0x242/0x350 [ 42.414735] [] ? rtnetlink_rcv+0x30/0x30 [ 42.420415] [] rtnetlink_rcv+0x25/0x30 [ 42.425954] [] netlink_unicast+0x3da/0x560 [ 42.431877] [] ? netlink_sendskb+0x40/0x40 [ 42.437859] [] netlink_sendmsg+0x9bb/0xb40 [ 42.443730] [] ? nlmsg_notify+0xf0/0xf0 [ 42.449380] [] ? __might_fault+0xf1/0x1b0 [ 42.455150] [] ? security_socket_sendmsg+0x6a/0xa0 [ 42.461699] [] ? nlmsg_notify+0xf0/0xf0 [ 42.467294] [] sock_sendmsg+0xb5/0xf0 [ 42.472713] [] SyS_sendto+0x1ca/0x290 [ 42.478252] [] ? SyS_getpeername+0x240/0x240 [ 42.484280] [] ? kmem_cache_free+0x312/0x430 [ 42.490325] [] ? mntput_no_expire+0xce/0x600 [ 42.496354] [] ? mnt_get_count+0x1c0/0x1c0 [ 42.502249] [] ? mntput+0x52/0x70 [ 42.507382] [] ? task_work_run+0x14a/0x200 [ 42.513242] [] ? trace_hardirqs_off+0xd/0x10 [ 42.519276] [] ? exit_to_usermode_loop+0x112/0x1c0 [ 42.525881] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 42.532541] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 42.540292] Kernel Offset: disabled