Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. 2020/09/08 10:04:11 parsed 1 programs 2020/09/08 10:04:11 executed programs: 0 [ 40.935100] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 40.952155] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 40.960713] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 40.969673] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 40.977570] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 40.985685] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 41.003807] IPVS: Creating netns size=2712 id=2 [ 41.008721] IPVS: ftp: loaded support on port[0] = 21 [ 41.082595] IPVS: Creating netns size=2712 id=3 [ 41.087438] IPVS: ftp: loaded support on port[0] = 21 [ 41.225762] chnl_net:caif_netlink_parms(): no params data found [ 41.267727] IPVS: Creating netns size=2712 id=4 [ 41.273644] IPVS: ftp: loaded support on port[0] = 21 [ 41.435428] chnl_net:caif_netlink_parms(): no params data found [ 41.475857] IPVS: Creating netns size=2712 id=5 [ 41.481038] IPVS: ftp: loaded support on port[0] = 21 [ 41.593552] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.600501] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.610034] device bridge_slave_0 entered promiscuous mode [ 41.637963] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.645352] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.654867] device bridge_slave_1 entered promiscuous mode [ 41.786604] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.811555] IPVS: Creating netns size=2712 id=6 [ 41.815053] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.834061] IPVS: ftp: loaded support on port[0] = 21 [ 41.979541] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.986363] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.996060] device bridge_slave_0 entered promiscuous mode [ 42.023415] chnl_net:caif_netlink_parms(): no params data found [ 42.046101] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.052610] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.061934] device bridge_slave_1 entered promiscuous mode [ 42.092804] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 42.155750] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 42.186734] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.195613] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.217241] IPVS: Creating netns size=2712 id=7 [ 42.229005] IPVS: ftp: loaded support on port[0] = 21 [ 42.251784] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.260886] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.501516] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.536987] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.543886] chnl_net:caif_netlink_parms(): no params data found [ 42.744671] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.754254] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.763516] device bridge_slave_0 entered promiscuous mode [ 42.821911] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.828613] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.837296] device bridge_slave_1 entered promiscuous mode [ 42.899447] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.906937] chnl_net:caif_netlink_parms(): no params data found [ 42.963005] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.986762] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.066313] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.258304] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.342679] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.444022] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.465110] chnl_net:caif_netlink_parms(): no params data found [ 43.480732] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.487113] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.496460] device bridge_slave_0 entered promiscuous mode [ 43.504650] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.533847] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.540532] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.549964] device bridge_slave_1 entered promiscuous mode [ 43.720278] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.768970] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.794907] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.801958] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.811599] device bridge_slave_0 entered promiscuous mode [ 43.838825] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.867417] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.874595] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.884127] device bridge_slave_1 entered promiscuous mode [ 43.911553] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.921568] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.999400] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.069041] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.256558] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.263210] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.272907] device bridge_slave_0 entered promiscuous mode [ 44.321682] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.328426] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.337976] device bridge_slave_1 entered promiscuous mode [ 44.403377] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.461420] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.493618] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.522373] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.531781] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.553466] ------------[ cut here ]------------ [ 44.558381] WARNING: CPU: 1 PID: 5896 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 44.566153] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 44.573255] Kernel panic - not syncing: panic_on_warn set ... [ 44.573255] [ 44.580611] CPU: 1 PID: 5896 Comm: syz-executor.1 Not tainted 4.6.0-syzkaller #0 [ 44.588115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.597441] 0000000000000000 ffff8801288defc8 ffffffff82c65e52 ffffffff85c81040 [ 44.605442] ffff8801288df0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 44.613480] ffff8801288df090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a [ 44.621468] Call Trace: [ 44.624028] [] dump_stack+0x136/0x1d4 [ 44.629451] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.635318] [] panic+0x1af/0x348 [ 44.640321] [] ? to_vmem_altmap+0x125/0x125 [ 44.646271] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.652062] [] __warn+0x18d/0x1b0 [ 44.657143] [] warn_slowpath_fmt+0x92/0xb0 [ 44.662997] [] ? __warn+0x1b0/0x1b0 [ 44.668511] [] ? kernfs_path_from_node+0x4a/0x60 [ 44.674887] [] sysfs_warn_dup+0x7b/0xa0 [ 44.680493] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 44.687489] [] sysfs_create_link+0x43/0xb0 [ 44.693348] [] device_add+0x677/0x1350 [ 44.698869] [] ? device_private_init+0x180/0x180 [ 44.705249] [] ? kfree_const+0x1d/0x20 [ 44.715103] [] ? kobject_set_name_vargs+0xb4/0x130 [ 44.721671] [] device_create_groups_vargs+0x1c8/0x220 [ 44.728500] [] device_create+0x88/0xa0 [ 44.734027] [] ? device_create_vargs+0x20/0x20 [ 44.740241] [] ? macvlan_set_mac_address+0x150/0x150 [ 44.746992] [] macvtap_device_event+0x1c4/0x2a0 [ 44.753297] [] notifier_call_chain+0x8b/0x170 [ 44.759412] [] raw_notifier_call_chain+0x11/0x20 [ 44.765797] [] call_netdevice_notifiers_info+0x47/0x80 [ 44.772715] [] register_netdevice+0x8e8/0xd00 [ 44.778831] [] ? netdev_change_features+0x80/0x80 [ 44.785291] [] ? dev_get_nest_level+0x10c/0x1a0 [ 44.791591] [] macvlan_common_newlink+0x8b9/0x1090 [ 44.798313] [] macvtap_newlink+0xbf/0x110 [ 44.804081] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.810373] [] rtnl_newlink+0xd4b/0x1230 [ 44.816157] [] ? rtnl_link_ops_get+0x5d/0x90 [ 44.822185] [] ? rtnl_newlink+0x319/0x1230 [ 44.828079] [] ? cpuacct_charge+0x16c/0x300 [ 44.834035] [] ? rtnl_setlink+0x2f0/0x2f0 [ 44.839894] [] ? cpuacct_charge+0x189/0x300 [ 44.845834] [] ? cpuacct_css_alloc+0x160/0x160 [ 44.852051] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.859050] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.865339] [] rtnetlink_rcv_msg+0x222/0x680 [ 44.871365] [] ? rtnetlink_rcv+0x30/0x30 [ 44.877074] [] ? mutex_lock_nested+0x5fd/0xb30 [ 44.883285] [] ? rtnetlink_rcv+0x16/0x30 [ 44.888988] [] ? netlink_seq_start+0xe0/0xe0 [ 44.895101] [] netlink_rcv_skb+0x242/0x350 [ 44.901005] [] ? rtnetlink_rcv+0x30/0x30 [ 44.906710] [] rtnetlink_rcv+0x25/0x30 [ 44.912241] [] netlink_unicast+0x3da/0x560 [ 44.918110] [] ? netlink_sendskb+0x40/0x40 [ 44.923982] [] netlink_sendmsg+0x9bb/0xb40 [ 44.929875] [] ? nlmsg_notify+0xf0/0xf0 [ 44.935482] [] ? __might_fault+0xf1/0x1b0 [ 44.941249] [] ? security_socket_sendmsg+0x6a/0xa0 [ 44.947801] [] ? nlmsg_notify+0xf0/0xf0 [ 44.953398] [] sock_sendmsg+0xb5/0xf0 [ 44.958820] [] SyS_sendto+0x1ca/0x290 [ 44.964253] [] ? SyS_getpeername+0x240/0x240 [ 44.970281] [] ? kmem_cache_free+0x312/0x430 [ 44.976394] [] ? mntput_no_expire+0xce/0x600 [ 44.982433] [] ? mnt_get_count+0x1c0/0x1c0 [ 44.988293] [] ? mntput+0x52/0x70 [ 44.993452] [] ? task_work_run+0x14a/0x200 [ 44.999328] [] ? trace_hardirqs_off+0xd/0x10 [ 45.005370] [] ? exit_to_usermode_loop+0x112/0x1c0 [ 45.011929] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 45.018494] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 45.026844] Kernel Offset: disabled