Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. 2020/03/28 23:47:01 parsed 1 programs 2020/03/28 23:47:02 executed programs: 0 [ 44.549525] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 44.564849] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 44.573679] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 44.583017] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 44.593660] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 44.602492] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 44.618034] IPVS: Creating netns size=2712 id=2 [ 44.622958] IPVS: ftp: loaded support on port[0] = 21 [ 44.697232] IPVS: Creating netns size=2712 id=3 [ 44.702083] IPVS: ftp: loaded support on port[0] = 21 [ 44.843899] chnl_net:caif_netlink_parms(): no params data found [ 44.886053] IPVS: Creating netns size=2712 id=4 [ 44.891685] IPVS: ftp: loaded support on port[0] = 21 [ 45.094594] chnl_net:caif_netlink_parms(): no params data found [ 45.096511] IPVS: Creating netns size=2712 id=5 [ 45.096630] IPVS: ftp: loaded support on port[0] = 21 [ 45.268510] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.275521] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.285924] device bridge_slave_0 entered promiscuous mode [ 45.355616] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.362118] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.372433] device bridge_slave_1 entered promiscuous mode [ 45.423153] IPVS: Creating netns size=2712 id=6 [ 45.428069] IPVS: ftp: loaded support on port[0] = 21 [ 45.510868] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.517401] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.526777] device bridge_slave_0 entered promiscuous mode [ 45.546287] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.560185] chnl_net:caif_netlink_parms(): no params data found [ 45.575641] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.582013] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.591495] device bridge_slave_1 entered promiscuous mode [ 45.614701] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.765497] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.867152] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.922432] chnl_net:caif_netlink_parms(): no params data found [ 46.013433] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 46.022390] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 46.036103] IPVS: Creating netns size=2712 id=7 [ 46.043980] IPVS: ftp: loaded support on port[0] = 21 [ 46.072107] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.148226] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.379751] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.386371] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.396793] device bridge_slave_0 entered promiscuous mode [ 46.405279] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.412312] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.454235] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.461773] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.468240] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.477557] device bridge_slave_1 entered promiscuous mode [ 46.537178] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.577901] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.658878] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.699938] chnl_net:caif_netlink_parms(): no params data found [ 46.750199] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.756670] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.766195] device bridge_slave_0 entered promiscuous mode [ 46.774143] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.830657] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.837223] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.846650] device bridge_slave_1 entered promiscuous mode [ 46.854880] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.098496] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.168786] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.220771] chnl_net:caif_netlink_parms(): no params data found [ 47.271902] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.342225] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.599956] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.606785] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.619366] device bridge_slave_0 entered promiscuous mode [ 47.657167] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.665389] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.676253] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.684139] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.690589] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.699929] device bridge_slave_1 entered promiscuous mode [ 47.730182] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.737474] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.796863] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.864917] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.958444] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.017347] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.086327] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.129787] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.136385] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.145767] device bridge_slave_0 entered promiscuous mode [ 48.153532] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.160076] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.170413] device bridge_slave_1 entered promiscuous mode [ 48.371065] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.380656] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.422926] ------------[ cut here ]------------ [ 48.427720] WARNING: CPU: 0 PID: 5875 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 48.435697] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 48.442775] Kernel panic - not syncing: panic_on_warn set ... [ 48.442775] [ 48.450129] CPU: 0 PID: 5875 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 48.457889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.467224] 1ffffffff0d95756 ffff88012860efb0 ffffffff82c74fc6 ffffffff85c81040 [ 48.475356] ffff88012860f088 ffffffff85d2bac0 ffffffff81922ccb ffff88012860f078 [ 48.483519] ffffffff8160cf4e 0000000041b58ab3 ffffffff868f1f61 ffffffff8160cd9f [ 48.491635] Call Trace: [ 48.494208] [] dump_stack+0xe6/0x120 [ 48.499563] [] ? sysfs_warn_dup+0x7b/0xa0 [ 48.505349] [] panic+0x1af/0x348 [ 48.510346] [] ? set_ti_thread_flag+0xf/0xf [ 48.516300] [] ? sysfs_warn_dup+0x7b/0xa0 [ 48.522126] [] __warn+0x18d/0x1b0 [ 48.527211] [] warn_slowpath_fmt+0x92/0xb0 [ 48.533072] [] ? __warn+0x1b0/0x1b0 [ 48.538329] [] ? kernfs_path_from_node+0x4a/0x60 [ 48.544709] [] sysfs_warn_dup+0x7b/0xa0 [ 48.550306] [] sysfs_do_create_link_sd.isra.2+0xd1/0xf0 [ 48.557305] [] sysfs_create_link+0x43/0xb0 [ 48.563165] [] device_add+0x689/0x1360 [ 48.568696] [] ? device_private_init+0x180/0x180 [ 48.575081] [] ? kfree_const+0x1d/0x20 [ 48.580595] [] ? kobject_set_name_vargs+0xb4/0x130 [ 48.587152] [] device_create_groups_vargs+0x1c8/0x220 [ 48.593970] [] device_create+0x88/0xa0 [ 48.599483] [] ? device_create_vargs+0x20/0x20 [ 48.605707] [] ? macvlan_set_mac_address+0x150/0x150 [ 48.613131] [] macvtap_device_event+0x1c4/0x2a0 [ 48.619426] [] notifier_call_chain+0x8b/0x170 [ 48.625578] [] raw_notifier_call_chain+0x11/0x20 [ 48.632017] [] call_netdevice_notifiers_info+0x47/0x80 [ 48.638934] [] register_netdevice+0x88a/0xce0 [ 48.645179] [] ? netdev_change_features+0x80/0x80 [ 48.651679] [] ? kmem_cache_alloc_trace+0x34f/0x6b0 [ 48.658337] [] ? dev_get_nest_level+0x10c/0x1a0 [ 48.664650] [] macvlan_common_newlink+0x8b9/0x1090 [ 48.671213] [] macvtap_newlink+0xbf/0x110 [ 48.677714] [] ? __netlink_ns_capable+0xc7/0xf0 [ 48.684020] [] rtnl_newlink+0xd4b/0x1230 [ 48.689761] [] ? rtnl_link_ops_get+0x5d/0x90 [ 48.695802] [] ? rtnl_newlink+0x319/0x1230 [ 48.701713] [] ? load_balance+0x990/0x1ea0 [ 48.707690] [] ? rtnl_setlink+0x2f0/0x2f0 [ 48.713478] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 48.720482] [] ? __netlink_ns_capable+0xc7/0xf0 [ 48.726828] [] rtnetlink_rcv_msg+0x222/0x680 [ 48.732869] [] ? memset+0x28/0x30 [ 48.739338] [] ? rtnetlink_rcv+0x30/0x30 [ 48.745025] [] ? mutex_lock_nested+0x638/0xb30 [ 48.751232] [] ? rtnetlink_rcv+0x16/0x30 [ 48.756936] [] ? netlink_lookup+0xd4/0x630 [ 48.762809] [] netlink_rcv_skb+0x242/0x350 [ 48.768683] [] ? rtnetlink_rcv+0x30/0x30 [ 48.774377] [] rtnetlink_rcv+0x25/0x30 [ 48.779892] [] netlink_unicast+0x455/0x660 [ 48.785754] [] ? netlink_unicast+0x3b5/0x660 [ 48.791800] [] ? netlink_attachskb+0x730/0x730 [ 48.798006] [] netlink_sendmsg+0x893/0xb40 [ 48.803879] [] ? netlink_unicast+0x660/0x660 [ 48.809912] [] ? __might_fault+0xf1/0x1b0 [ 48.815694] [] ? security_socket_sendmsg+0x6a/0xa0 [ 48.822264] [] ? netlink_unicast+0x660/0x660 [ 48.828321] [] sock_sendmsg+0xb5/0xf0 [ 48.833772] [] SYSC_sendto+0x1c9/0x300 [ 48.839459] [] ? SYSC_connect+0x2a0/0x2a0 [ 48.845255] [] ? mnt_get_count+0x1c0/0x1c0 [ 48.851117] [] ? mntput_no_expire+0xb1/0x600 [ 48.857209] [] ? mntput_no_expire+0xce/0x600 [ 48.863247] [] ? mnt_get_count+0x1c0/0x1c0 [ 48.869111] [] ? mntput+0x52/0x70 [ 48.874207] [] ? ___might_sleep+0x331/0x440 [ 48.880170] [] ? trace_hardirqs_off+0xd/0x10 [ 48.886221] [] ? exit_to_usermode_loop+0xcb/0x1c0 [ 48.892712] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 48.899279] [] SyS_sendto+0x9/0x10 [ 48.904456] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 48.912352] Kernel Offset: disabled