Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. 2020/09/07 17:38:02 parsed 1 programs 2020/09/07 17:38:02 executed programs: 0 [ 40.098778] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 40.126465] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 40.141855] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 40.151901] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 40.160226] IPVS: Creating netns size=2712 id=2 [ 40.160305] IPVS: ftp: loaded support on port[0] = 21 [ 40.178332] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 40.196175] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 40.273738] IPVS: Creating netns size=2712 id=3 [ 40.279685] IPVS: ftp: loaded support on port[0] = 21 [ 40.438311] chnl_net:caif_netlink_parms(): no params data found [ 40.489201] IPVS: Creating netns size=2712 id=4 [ 40.494073] IPVS: ftp: loaded support on port[0] = 21 [ 40.716388] chnl_net:caif_netlink_parms(): no params data found [ 40.732656] IPVS: Creating netns size=2712 id=5 [ 40.748058] IPVS: ftp: loaded support on port[0] = 21 [ 40.845722] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.852106] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.862472] device bridge_slave_0 entered promiscuous mode [ 40.903606] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.911381] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.921372] device bridge_slave_1 entered promiscuous mode [ 41.058835] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.086181] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.119808] chnl_net:caif_netlink_parms(): no params data found [ 41.217297] IPVS: Creating netns size=2712 id=6 [ 41.224054] IPVS: ftp: loaded support on port[0] = 21 [ 41.322543] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.338804] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.345432] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.355634] device bridge_slave_0 entered promiscuous mode [ 41.385374] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.400887] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.408111] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.418014] device bridge_slave_1 entered promiscuous mode [ 41.440591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.521480] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.547229] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.610426] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.756996] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.765696] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.787947] IPVS: Creating netns size=2712 id=7 [ 41.793207] IPVS: ftp: loaded support on port[0] = 21 [ 41.929755] chnl_net:caif_netlink_parms(): no params data found [ 42.022961] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.029737] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.039489] device bridge_slave_0 entered promiscuous mode [ 42.047916] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.088109] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.096245] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.106251] device bridge_slave_1 entered promiscuous mode [ 42.113370] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.374269] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.383107] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.427349] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.436215] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.477520] chnl_net:caif_netlink_parms(): no params data found [ 42.996861] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.003946] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.010302] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.024018] device bridge_slave_0 entered promiscuous mode [ 43.092694] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.099470] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.110383] device bridge_slave_1 entered promiscuous mode [ 43.117466] chnl_net:caif_netlink_parms(): no params data found [ 43.134676] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.164387] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.170766] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.180391] device bridge_slave_0 entered promiscuous mode [ 43.257683] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.265967] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.272468] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.282196] device bridge_slave_1 entered promiscuous mode [ 43.302820] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.395118] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.497808] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.530746] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.551183] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.587405] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.710190] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.899057] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.949998] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.980428] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.987066] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.997433] device bridge_slave_0 entered promiscuous mode [ 44.018792] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.048488] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.055595] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.065706] device bridge_slave_1 entered promiscuous mode [ 44.116470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.238580] ------------[ cut here ]------------ [ 44.244491] WARNING: CPU: 1 PID: 5892 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 44.252266] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 44.260127] Kernel panic - not syncing: panic_on_warn set ... [ 44.260127] [ 44.267488] CPU: 1 PID: 5892 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 44.275010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.284342] 0000000000000000 ffff8800b231efc8 ffffffff82c65e52 ffffffff85c81040 [ 44.292326] ffff8800b231f0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 44.300312] ffff8800b231f090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a [ 44.308301] Call Trace: [ 44.310867] [] dump_stack+0x136/0x1d4 [ 44.316290] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.322062] [] panic+0x1af/0x348 [ 44.327052] [] ? to_vmem_altmap+0x125/0x125 [ 44.333017] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.338794] [] __warn+0x18d/0x1b0 [ 44.343868] [] warn_slowpath_fmt+0x92/0xb0 [ 44.349722] [] ? __warn+0x1b0/0x1b0 [ 44.355228] [] ? kernfs_path_from_node+0x4a/0x60 [ 44.361622] [] sysfs_warn_dup+0x7b/0xa0 [ 44.367243] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 44.374238] [] sysfs_create_link+0x43/0xb0 [ 44.380096] [] device_add+0x677/0x1350 [ 44.385610] [] ? device_private_init+0x180/0x180 [ 44.391988] [] ? kfree_const+0x1d/0x20 [ 44.397499] [] ? kobject_set_name_vargs+0xb4/0x130 [ 44.404052] [] device_create_groups_vargs+0x1c8/0x220 [ 44.410861] [] device_create+0x88/0xa0 [ 44.416382] [] ? device_create_vargs+0x20/0x20 [ 44.422591] [] ? macvlan_set_mac_address+0x150/0x150 [ 44.429317] [] macvtap_device_event+0x1c4/0x2a0 [ 44.435607] [] notifier_call_chain+0x8b/0x170 [ 44.441721] [] raw_notifier_call_chain+0x11/0x20 [ 44.448098] [] call_netdevice_notifiers_info+0x47/0x80 [ 44.454997] [] register_netdevice+0x8e8/0xd00 [ 44.461127] [] ? netdev_change_features+0x80/0x80 [ 44.467605] [] ? dev_get_nest_level+0x10c/0x1a0 [ 44.473895] [] macvlan_common_newlink+0x8b9/0x1090 [ 44.480463] [] macvtap_newlink+0xbf/0x110 [ 44.486235] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.492528] [] rtnl_newlink+0xd4b/0x1230 [ 44.498230] [] ? rtnl_link_ops_get+0x5d/0x90 [ 44.504261] [] ? rtnl_newlink+0x319/0x1230 [ 44.510123] [] ? find_next_bit+0x15/0x20 [ 44.515804] [] ? rtnl_setlink+0x2f0/0x2f0 [ 44.521573] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 44.528312] [] ? __lock_acquire+0x15c3/0x5990 [ 44.534429] [] ? update_blocked_averages+0x8f7/0x1540 [ 44.541238] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.548222] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.554513] [] rtnetlink_rcv_msg+0x222/0x680 [ 44.560540] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 44.567353] [] ? rtnetlink_rcv+0x30/0x30 [ 44.573042] [] ? mutex_lock_nested+0x5fd/0xb30 [ 44.579246] [] ? rtnetlink_rcv+0x16/0x30 [ 44.584959] [] ? netlink_seq_start+0xe0/0xe0 [ 44.591000] [] netlink_rcv_skb+0x242/0x350 [ 44.596857] [] ? rtnetlink_rcv+0x30/0x30 [ 44.602542] [] rtnetlink_rcv+0x25/0x30 [ 44.608056] [] netlink_unicast+0x3da/0x560 [ 44.613911] [] ? netlink_sendskb+0x40/0x40 [ 44.619764] [] netlink_sendmsg+0x9bb/0xb40 [ 44.625622] [] ? nlmsg_notify+0xf0/0xf0 [ 44.631219] [] ? __might_fault+0xf1/0x1b0 [ 44.637011] [] ? nlmsg_notify+0xf0/0xf0 [ 44.642721] [] sock_sendmsg+0xb5/0xf0 [ 44.648239] [] SyS_sendto+0x1ca/0x290 [ 44.653707] [] ? SyS_getpeername+0x240/0x240 [ 44.659740] [] ? mntput_no_expire+0xce/0x600 [ 44.665777] [] ? mnt_get_count+0x1c0/0x1c0 [ 44.671630] [] ? mntput+0x52/0x70 [ 44.676714] [] ? task_work_run+0x14a/0x200 [ 44.682663] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 44.689480] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 44.696049] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 44.703526] Kernel Offset: disabled