Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts. 2020/03/30 12:01:49 parsed 1 programs 2020/03/30 12:01:49 executed programs: 0 [ 46.579242] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 46.613113] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 46.616574] IPVS: Creating netns size=2712 id=2 [ 46.616703] IPVS: ftp: loaded support on port[0] = 21 [ 46.633691] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 46.650147] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 46.659139] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 46.667707] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 46.743261] IPVS: Creating netns size=2712 id=3 [ 46.748851] IPVS: ftp: loaded support on port[0] = 21 [ 46.905408] chnl_net:caif_netlink_parms(): no params data found [ 46.958250] IPVS: Creating netns size=2712 id=4 [ 46.964015] IPVS: ftp: loaded support on port[0] = 21 [ 47.193001] chnl_net:caif_netlink_parms(): no params data found [ 47.234825] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.241919] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.251936] device bridge_slave_0 entered promiscuous mode [ 47.268205] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.274786] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.284676] device bridge_slave_1 entered promiscuous mode [ 47.306111] IPVS: Creating netns size=2712 id=5 [ 47.311700] IPVS: ftp: loaded support on port[0] = 21 [ 47.416297] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.438119] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.714317] chnl_net:caif_netlink_parms(): no params data found [ 47.750870] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.757389] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.767675] device bridge_slave_0 entered promiscuous mode [ 47.787725] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 47.796057] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.804195] IPVS: Creating netns size=2712 id=6 [ 47.804275] IPVS: ftp: loaded support on port[0] = 21 [ 47.820994] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.829914] device bridge_slave_1 entered promiscuous mode [ 47.838858] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 47.878393] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.927934] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.962212] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.042596] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.251734] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.259423] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.282223] IPVS: Creating netns size=2712 id=7 [ 48.294412] IPVS: ftp: loaded support on port[0] = 21 [ 48.353194] chnl_net:caif_netlink_parms(): no params data found [ 48.487421] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.494412] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.505547] device bridge_slave_0 entered promiscuous mode [ 48.553120] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.559565] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.570834] device bridge_slave_1 entered promiscuous mode [ 48.659142] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.775685] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.785398] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.832772] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.041202] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.049035] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.078765] chnl_net:caif_netlink_parms(): no params data found [ 49.314651] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.322128] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.332194] device bridge_slave_0 entered promiscuous mode [ 49.359618] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.366128] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.375944] device bridge_slave_1 entered promiscuous mode [ 49.383578] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.510578] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.612855] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.683448] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.692356] chnl_net:caif_netlink_parms(): no params data found [ 49.711718] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.779680] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.787226] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.030000] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.036434] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.046711] device bridge_slave_0 entered promiscuous mode [ 50.090341] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.096798] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.106990] device bridge_slave_1 entered promiscuous mode [ 50.189486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.212033] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.226933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.252698] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.264073] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.487603] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.494980] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.502848] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.512502] device bridge_slave_0 entered promiscuous mode [ 50.530963] ------------[ cut here ]------------ [ 50.535790] WARNING: CPU: 0 PID: 5884 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 50.543617] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 50.551407] Kernel panic - not syncing: panic_on_warn set ... [ 50.551407] [ 50.558767] CPU: 0 PID: 5884 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 50.566324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.575657] 1ffffffff0d95756 ffff8800b98befb0 ffffffff82c74fc6 ffffffff85c81040 [ 50.583742] ffff8800b98bf088 ffffffff85d2bac0 ffffffff81922ccb ffff8800b98bf078 [ 50.591761] ffffffff8160cf4e 0000000041b58ab3 ffffffff868f1f61 ffffffff8160cd9f [ 50.599825] Call Trace: [ 50.602389] [] dump_stack+0xe6/0x120 [ 50.607736] [] ? sysfs_warn_dup+0x7b/0xa0 [ 50.613606] [] panic+0x1af/0x348 [ 50.618606] [] ? set_ti_thread_flag+0xf/0xf [ 50.624580] [] ? sysfs_warn_dup+0x7b/0xa0 [ 50.630370] [] __warn+0x18d/0x1b0 [ 50.635451] [] warn_slowpath_fmt+0x92/0xb0 [ 50.641328] [] ? __warn+0x1b0/0x1b0 [ 50.646591] [] ? kernfs_path_from_node+0x4a/0x60 [ 50.653251] [] sysfs_warn_dup+0x7b/0xa0 [ 50.658987] [] sysfs_do_create_link_sd.isra.2+0xd1/0xf0 [ 50.666044] [] sysfs_create_link+0x43/0xb0 [ 50.671927] [] device_add+0x689/0x1360 [ 50.677457] [] ? kfree_const+0x1d/0x20 [ 50.682975] [] ? device_private_init+0x180/0x180 [ 50.689378] [] ? kfree_const+0x1d/0x20 [ 50.694902] [] ? kobject_set_name_vargs+0xb4/0x130 [ 50.701513] [] device_create_groups_vargs+0x1c8/0x220 [ 50.708328] [] device_create+0x88/0xa0 [ 50.713839] [] ? device_create_vargs+0x20/0x20 [ 50.720044] [] ? macvlan_set_mac_address+0x150/0x150 [ 50.726923] [] macvtap_device_event+0x1c4/0x2a0 [ 50.733223] [] notifier_call_chain+0x8b/0x170 [ 50.739584] [] raw_notifier_call_chain+0x11/0x20 [ 50.746033] [] call_netdevice_notifiers_info+0x47/0x80 [ 50.752953] [] register_netdevice+0x88a/0xce0 [ 50.759078] [] ? netdev_change_features+0x80/0x80 [ 50.765558] [] ? dev_get_nest_level+0x10c/0x1a0 [ 50.772921] [] macvlan_common_newlink+0x8b9/0x1090 [ 50.779849] [] macvtap_newlink+0xbf/0x110 [ 50.785838] [] ? __netlink_ns_capable+0xc7/0xf0 [ 50.792201] [] rtnl_newlink+0xd4b/0x1230 [ 50.798679] [] ? rtnl_link_ops_get+0x5d/0x90 [ 50.804719] [] ? rtnl_newlink+0x319/0x1230 [ 50.810584] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.817570] [] ? rtnl_setlink+0x2f0/0x2f0 [ 50.823362] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 50.830090] [] ? __lock_acquire+0x1985/0x5560 [ 50.836207] [] ? update_cfs_rq_load_avg+0x511/0x1100 [ 50.842934] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.849938] [] ? __netlink_ns_capable+0xc7/0xf0 [ 50.856239] [] rtnetlink_rcv_msg+0x222/0x680 [ 50.862269] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 50.869082] [] ? rtnetlink_rcv+0x30/0x30 [ 50.874775] [] ? mutex_lock_nested+0x638/0xb30 [ 50.880984] [] ? rtnetlink_rcv+0x16/0x30 [ 50.886670] [] ? netlink_lookup+0xd4/0x630 [ 50.892684] [] netlink_rcv_skb+0x242/0x350 [ 50.898554] [] ? rtnetlink_rcv+0x30/0x30 [ 50.904243] [] rtnetlink_rcv+0x25/0x30 [ 50.909766] [] netlink_unicast+0x455/0x660 [ 50.915649] [] ? netlink_unicast+0x3b5/0x660 [ 50.921688] [] ? netlink_attachskb+0x730/0x730 [ 50.929109] [] netlink_sendmsg+0x893/0xb40 [ 50.934967] [] ? netlink_unicast+0x660/0x660 [ 50.940999] [] ? __might_fault+0xf1/0x1b0 [ 50.946772] [] ? netlink_unicast+0x660/0x660 [ 50.952806] [] sock_sendmsg+0xb5/0xf0 [ 50.958229] [] SYSC_sendto+0x1c9/0x300 [ 50.963738] [] ? SYSC_connect+0x2a0/0x2a0 [ 50.969532] [] ? mntput_no_expire+0xb1/0x600 [ 50.975563] [] ? mntput_no_expire+0xce/0x600 [ 50.981616] [] ? mnt_get_count+0x1c0/0x1c0 [ 50.987497] [] ? mntput+0x52/0x70 [ 50.992592] [] ? ___might_sleep+0x331/0x440 [ 50.998543] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 51.005484] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 51.012106] [] SyS_sendto+0x9/0x10 [ 51.017299] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 51.025370] Kernel Offset: disabled