Warning: Permanently added '10.128.10.27' (ECDSA) to the list of known hosts. 2020/07/30 07:01:37 parsed 1 programs 2020/07/30 07:01:37 executed programs: 0 [ 39.684643] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 39.699093] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 39.711141] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 39.719409] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 39.729271] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 39.741074] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 39.751423] IPVS: Creating netns size=2712 id=2 [ 39.756397] IPVS: ftp: loaded support on port[0] = 21 [ 39.830617] IPVS: Creating netns size=2712 id=3 [ 39.835930] IPVS: ftp: loaded support on port[0] = 21 [ 39.976028] chnl_net:caif_netlink_parms(): no params data found [ 40.015775] IPVS: Creating netns size=2712 id=4 [ 40.020683] IPVS: ftp: loaded support on port[0] = 21 [ 40.208622] chnl_net:caif_netlink_parms(): no params data found [ 40.241271] IPVS: Creating netns size=2712 id=5 [ 40.246767] IPVS: ftp: loaded support on port[0] = 21 [ 40.310950] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.317535] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.326323] device bridge_slave_0 entered promiscuous mode [ 40.372295] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.379125] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.388496] device bridge_slave_1 entered promiscuous mode [ 40.473063] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.504521] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.534512] IPVS: Creating netns size=2712 id=6 [ 40.545653] IPVS: ftp: loaded support on port[0] = 21 [ 40.713057] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.721450] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.732170] device bridge_slave_0 entered promiscuous mode [ 40.793031] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.800194] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.809716] device bridge_slave_1 entered promiscuous mode [ 40.892753] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 40.975267] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.984675] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.008646] chnl_net:caif_netlink_parms(): no params data found [ 41.025510] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.034084] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.075025] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.082426] chnl_net:caif_netlink_parms(): no params data found [ 41.179421] IPVS: Creating netns size=2712 id=7 [ 41.184257] IPVS: ftp: loaded support on port[0] = 21 [ 41.316109] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.430465] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.505973] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.523729] chnl_net:caif_netlink_parms(): no params data found [ 41.540282] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.729024] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.735619] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.744435] device bridge_slave_0 entered promiscuous mode [ 41.752650] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.770226] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.776952] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.786139] device bridge_slave_0 entered promiscuous mode [ 41.794362] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.801070] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.809812] device bridge_slave_1 entered promiscuous mode [ 41.836733] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.843265] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.852920] device bridge_slave_1 entered promiscuous mode [ 41.860871] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.002184] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.036310] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.087232] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.118261] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.466431] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.474039] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.486260] device bridge_slave_0 entered promiscuous mode [ 42.559535] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.566298] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.576736] device bridge_slave_1 entered promiscuous mode [ 42.630371] chnl_net:caif_netlink_parms(): no params data found [ 42.650389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.682166] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.695735] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.709474] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.766344] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.832586] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.840675] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.017304] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.032327] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.044434] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.101223] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.113327] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.167336] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.196112] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.202540] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.212037] device bridge_slave_0 entered promiscuous mode [ 43.220573] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.251509] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.258101] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.267291] device bridge_slave_1 entered promiscuous mode [ 43.448958] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.493401] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.512676] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.531367] ------------[ cut here ]------------ [ 43.536744] WARNING: CPU: 1 PID: 5871 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 43.545183] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 43.552301] Kernel panic - not syncing: panic_on_warn set ... [ 43.552301] [ 43.559638] CPU: 1 PID: 5871 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 43.567144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.576477] 0000000000000000 ffff880128fe6fc8 ffffffff82c65e52 ffffffff85c81040 [ 43.584475] ffff880128fe70a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 43.592449] ffff880128fe7090 ffffffff8160d884 0000000041b58ab3 ffffffff868f05e2 [ 43.600518] Call Trace: [ 43.603111] [] dump_stack+0x136/0x1d4 [ 43.608534] [] ? sysfs_warn_dup+0x7b/0xa0 [ 43.614307] [] panic+0x1af/0x348 [ 43.619296] [] ? to_vmem_altmap+0x125/0x125 [ 43.625242] [] ? sysfs_warn_dup+0x7b/0xa0 [ 43.631327] [] __warn+0x18d/0x1b0 [ 43.636414] [] warn_slowpath_fmt+0x92/0xb0 [ 43.642274] [] ? __warn+0x1b0/0x1b0 [ 43.647711] [] ? kernfs_path_from_node+0x4a/0x60 [ 43.654097] [] sysfs_warn_dup+0x7b/0xa0 [ 43.659690] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 43.666676] [] sysfs_create_link+0x43/0xb0 [ 43.672533] [] device_add+0x677/0x1350 [ 43.678495] [] ? device_private_init+0x180/0x180 [ 43.684873] [] ? kfree_const+0x1d/0x20 [ 43.690410] [] ? kobject_set_name_vargs+0xb4/0x130 [ 43.696960] [] device_create_groups_vargs+0x1c8/0x220 [ 43.703770] [] device_create+0x88/0xa0 [ 43.709290] [] ? device_create_vargs+0x20/0x20 [ 43.715514] [] ? macvlan_set_mac_address+0x150/0x150 [ 43.722259] [] macvtap_device_event+0x1c4/0x2a0 [ 43.728553] [] notifier_call_chain+0x8b/0x170 [ 43.734771] [] raw_notifier_call_chain+0x11/0x20 [ 43.741147] [] call_netdevice_notifiers_info+0x47/0x80 [ 43.748061] [] register_netdevice+0x8e8/0xd00 [ 43.754189] [] ? netdev_change_features+0x80/0x80 [ 43.760657] [] ? dev_get_nest_level+0x10c/0x1a0 [ 43.766954] [] macvlan_common_newlink+0x8b9/0x1090 [ 43.773956] [] macvtap_newlink+0xbf/0x110 [ 43.779733] [] ? __netlink_ns_capable+0xc7/0xf0 [ 43.786036] [] rtnl_newlink+0xd4b/0x1230 [ 43.791770] [] ? rtnl_link_ops_get+0x5d/0x90 [ 43.797800] [] ? rtnl_newlink+0x319/0x1230 [ 43.803654] [] ? load_balance+0x967/0x1ef0 [ 43.809523] [] ? rtnl_setlink+0x2f0/0x2f0 [ 43.815297] [] ? find_busiest_group+0x2510/0x2510 [ 43.821773] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.828761] [] ? __netlink_ns_capable+0xc7/0xf0 [ 43.835147] [] rtnetlink_rcv_msg+0x222/0x680 [ 43.841334] [] ? rtnetlink_rcv+0x30/0x30 [ 43.847135] [] ? mutex_lock_nested+0x5fd/0xb30 [ 43.853440] [] ? rtnetlink_rcv+0x16/0x30 [ 43.859320] [] ? netlink_seq_start+0xe0/0xe0 [ 43.865368] [] netlink_rcv_skb+0x242/0x350 [ 43.871222] [] ? rtnetlink_rcv+0x30/0x30 [ 43.876907] [] rtnetlink_rcv+0x25/0x30 [ 43.882513] [] netlink_unicast+0x3da/0x560 [ 43.888388] [] ? netlink_sendskb+0x40/0x40 [ 43.894263] [] netlink_sendmsg+0x9bb/0xb40 [ 43.900132] [] ? nlmsg_notify+0xf0/0xf0 [ 43.905737] [] ? __might_fault+0xf1/0x1b0 [ 43.911512] [] ? security_socket_sendmsg+0x6a/0xa0 [ 43.918075] [] ? nlmsg_notify+0xf0/0xf0 [ 43.923673] [] sock_sendmsg+0xb5/0xf0 [ 43.929095] [] SyS_sendto+0x1ca/0x290 [ 43.934518] [] ? SyS_getpeername+0x240/0x240 [ 43.940549] [] ? kmem_cache_free+0x312/0x430 [ 43.946665] [] ? mntput_no_expire+0xce/0x600 [ 43.952717] [] ? mnt_get_count+0x1c0/0x1c0 [ 43.958585] [] ? mntput+0x52/0x70 [ 43.963773] [] ? task_work_run+0x14a/0x200 [ 43.969681] [] ? trace_hardirqs_off+0xd/0x10 [ 43.975710] [] ? exit_to_usermode_loop+0x112/0x1c0 [ 43.982330] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 43.988896] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 43.996904] Kernel Offset: disabled