Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. 2020/09/05 04:34:57 parsed 1 programs 2020/09/05 04:34:57 executed programs: 0 [ 42.097578] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 42.119243] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 42.139261] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 42.147731] IPVS: Creating netns size=2712 id=2 [ 42.147853] IPVS: ftp: loaded support on port[0] = 21 [ 42.163871] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 42.177535] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 42.186118] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 42.249000] IPVS: Creating netns size=2712 id=3 [ 42.253912] IPVS: ftp: loaded support on port[0] = 21 [ 42.393922] chnl_net:caif_netlink_parms(): no params data found [ 42.428209] IPVS: Creating netns size=2712 id=4 [ 42.438596] IPVS: ftp: loaded support on port[0] = 21 [ 42.604131] chnl_net:caif_netlink_parms(): no params data found [ 42.684050] IPVS: Creating netns size=2712 id=5 [ 42.689213] IPVS: ftp: loaded support on port[0] = 21 [ 42.695174] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.695246] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.698916] device bridge_slave_0 entered promiscuous mode [ 42.702819] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.715573] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.719242] device bridge_slave_1 entered promiscuous mode [ 42.816092] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.898190] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.985829] chnl_net:caif_netlink_parms(): no params data found [ 43.061359] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 43.105578] IPVS: Creating netns size=2712 id=6 [ 43.110700] IPVS: ftp: loaded support on port[0] = 21 [ 43.125851] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 43.167596] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.174973] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.181929] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.190491] device bridge_slave_0 entered promiscuous mode [ 43.198046] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.204699] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.213712] device bridge_slave_1 entered promiscuous mode [ 43.239191] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.334459] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.376259] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.390890] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.496819] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.550716] IPVS: Creating netns size=2712 id=7 [ 43.556157] IPVS: ftp: loaded support on port[0] = 21 [ 43.608927] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.616085] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.625465] device bridge_slave_0 entered promiscuous mode [ 43.665845] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.672320] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.680741] device bridge_slave_1 entered promiscuous mode [ 43.699071] chnl_net:caif_netlink_parms(): no params data found [ 43.864324] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.909050] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.951676] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.060344] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.236961] chnl_net:caif_netlink_parms(): no params data found [ 44.252871] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.307872] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.445242] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.452419] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.461903] device bridge_slave_0 entered promiscuous mode [ 44.469260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.514591] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.521035] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.529441] device bridge_slave_1 entered promiscuous mode [ 44.555571] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.647703] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.696940] chnl_net:caif_netlink_parms(): no params data found [ 44.714678] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.745114] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.769077] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.846826] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.901571] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.907958] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.917233] device bridge_slave_0 entered promiscuous mode [ 44.981157] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.987537] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.997254] device bridge_slave_1 entered promiscuous mode [ 45.136631] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.189384] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.215484] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.276061] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.283931] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.311974] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.444831] ------------[ cut here ]------------ [ 45.449705] WARNING: CPU: 0 PID: 5893 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 45.458394] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 45.465807] Kernel panic - not syncing: panic_on_warn set ... [ 45.465807] [ 45.473183] CPU: 0 PID: 5893 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 45.480689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.490020] 0000000000000000 ffff8800b1e0efc8 ffffffff82c65e52 ffffffff85c81040 [ 45.498024] ffff8800b1e0f0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 45.505995] ffff8800b1e0f090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a [ 45.513989] Call Trace: [ 45.516549] [] dump_stack+0x136/0x1d4 [ 45.521988] [] ? sysfs_warn_dup+0x7b/0xa0 [ 45.527769] [] panic+0x1af/0x348 [ 45.532767] [] ? to_vmem_altmap+0x125/0x125 [ 45.538719] [] ? sysfs_warn_dup+0x7b/0xa0 [ 45.544502] [] __warn+0x18d/0x1b0 [ 45.549573] [] warn_slowpath_fmt+0x92/0xb0 [ 45.555429] [] ? __warn+0x1b0/0x1b0 [ 45.560684] [] ? kernfs_path_from_node+0x4a/0x60 [ 45.567073] [] sysfs_warn_dup+0x7b/0xa0 [ 45.572669] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 45.579665] [] sysfs_create_link+0x43/0xb0 [ 45.585535] [] device_add+0x677/0x1350 [ 45.591043] [] ? device_private_init+0x180/0x180 [ 45.597418] [] ? kfree_const+0x1d/0x20 [ 45.602926] [] ? kobject_set_name_vargs+0xb4/0x130 [ 45.609477] [] device_create_groups_vargs+0x1c8/0x220 [ 45.616313] [] device_create+0x88/0xa0 [ 45.621843] [] ? device_create_vargs+0x20/0x20 [ 45.628048] [] ? macvlan_set_mac_address+0x150/0x150 [ 45.635306] [] macvtap_device_event+0x1c4/0x2a0 [ 45.641596] [] notifier_call_chain+0x8b/0x170 [ 45.647722] [] raw_notifier_call_chain+0x11/0x20 [ 45.654112] [] call_netdevice_notifiers_info+0x47/0x80 [ 45.661022] [] register_netdevice+0x8e8/0xd00 [ 45.667134] [] ? netdev_change_features+0x80/0x80 [ 45.673614] [] ? dev_get_nest_level+0x10c/0x1a0 [ 45.679916] [] macvlan_common_newlink+0x8b9/0x1090 [ 45.686465] [] macvtap_newlink+0xbf/0x110 [ 45.692235] [] ? __netlink_ns_capable+0xc7/0xf0 [ 45.698523] [] rtnl_newlink+0xd4b/0x1230 [ 45.704204] [] ? rtnl_link_ops_get+0x5d/0x90 [ 45.710239] [] ? rtnl_newlink+0x319/0x1230 [ 45.716116] [] ? rtnl_setlink+0x2f0/0x2f0 [ 45.721898] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 45.728635] [] ? __lock_acquire+0x1673/0x5990 [ 45.734749] [] ? update_blocked_averages+0x8f7/0x1540 [ 45.741559] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.748543] [] ? __netlink_ns_capable+0xc7/0xf0 [ 45.754860] [] rtnetlink_rcv_msg+0x222/0x680 [ 45.760890] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 45.767698] [] ? rtnetlink_rcv+0x30/0x30 [ 45.773388] [] ? mutex_lock_nested+0x5fd/0xb30 [ 45.779602] [] ? rtnetlink_rcv+0x16/0x30 [ 45.785295] [] ? netlink_seq_start+0xe0/0xe0 [ 45.791322] [] netlink_rcv_skb+0x242/0x350 [ 45.797192] [] ? rtnetlink_rcv+0x30/0x30 [ 45.802886] [] rtnetlink_rcv+0x25/0x30 [ 45.808404] [] netlink_unicast+0x3da/0x560 [ 45.814278] [] ? netlink_sendskb+0x40/0x40 [ 45.820138] [] netlink_sendmsg+0x9bb/0xb40 [ 45.825997] [] ? nlmsg_notify+0xf0/0xf0 [ 45.831606] [] ? __might_fault+0xf1/0x1b0 [ 45.837371] [] ? nlmsg_notify+0xf0/0xf0 [ 45.842983] [] sock_sendmsg+0xb5/0xf0 [ 45.848413] [] SyS_sendto+0x1ca/0x290 [ 45.853836] [] ? SyS_getpeername+0x240/0x240 [ 45.859872] [] ? mntput_no_expire+0xce/0x600 [ 45.865898] [] ? mnt_get_count+0x1c0/0x1c0 [ 45.871751] [] ? mntput+0x52/0x70 [ 45.876844] [] ? task_work_run+0x14a/0x200 [ 45.882714] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 45.889523] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 45.896159] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 45.903815] Kernel Offset: disabled