Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. 2020/12/12 15:35:36 parsed 1 programs 2020/12/12 15:35:36 executed programs: 0 [ 40.270363] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 40.281274] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 40.290721] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 40.298175] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 40.305821] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 40.314290] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 40.328470] IPVS: Creating netns size=2712 id=2 [ 40.333276] IPVS: ftp: loaded support on port[0] = 21 [ 40.394406] IPVS: Creating netns size=2712 id=3 [ 40.399525] IPVS: ftp: loaded support on port[0] = 21 [ 40.504975] chnl_net:caif_netlink_parms(): no params data found [ 40.508089] IPVS: Creating netns size=2712 id=4 [ 40.508159] IPVS: ftp: loaded support on port[0] = 21 [ 40.679912] IPVS: Creating netns size=2712 id=5 [ 40.684682] IPVS: ftp: loaded support on port[0] = 21 [ 40.688099] chnl_net:caif_netlink_parms(): no params data found [ 40.846388] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.853347] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.862474] device bridge_slave_0 entered promiscuous mode [ 40.869951] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.876303] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.884525] device bridge_slave_1 entered promiscuous mode [ 40.894619] chnl_net:caif_netlink_parms(): no params data found [ 40.954400] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.960122] IPVS: Creating netns size=2712 id=6 [ 40.960191] IPVS: ftp: loaded support on port[0] = 21 [ 40.997789] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.161787] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.169832] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.177617] device bridge_slave_0 entered promiscuous mode [ 41.209315] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.216980] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.224105] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.232633] device bridge_slave_1 entered promiscuous mode [ 41.259710] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.283446] chnl_net:caif_netlink_parms(): no params data found [ 41.294720] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.303981] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.327454] IPVS: Creating netns size=2712 id=7 [ 41.334991] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.337345] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.361527] IPVS: ftp: loaded support on port[0] = 21 [ 41.555946] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.562440] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.572142] device bridge_slave_0 entered promiscuous mode [ 41.579648] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.603905] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.610924] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.617268] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.626426] device bridge_slave_1 entered promiscuous mode [ 41.700714] chnl_net:caif_netlink_parms(): no params data found [ 41.715363] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.730435] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.766148] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.774762] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.880332] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.886696] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.895225] device bridge_slave_0 entered promiscuous mode [ 41.902588] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.909972] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.917768] device bridge_slave_1 entered promiscuous mode [ 41.990664] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.999498] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.042205] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.050801] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.241042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.248831] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.255168] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.263756] device bridge_slave_0 entered promiscuous mode [ 42.310991] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.318405] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.324750] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.332822] device bridge_slave_1 entered promiscuous mode [ 42.356040] chnl_net:caif_netlink_parms(): no params data found [ 42.406495] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.429865] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.447276] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.470456] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.502246] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.542239] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.609525] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.660278] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.680355] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.817265] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.838609] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.844990] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.853181] device bridge_slave_0 entered promiscuous mode [ 42.871704] ------------[ cut here ]------------ [ 42.876469] WARNING: CPU: 1 PID: 7943 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 42.884303] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 42.891504] Kernel panic - not syncing: panic_on_warn set ... [ 42.891504] [ 42.898842] CPU: 1 PID: 7943 Comm: syz-executor.5 Not tainted 4.6.0-syzkaller #0 [ 42.906383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.915715] 0000000000000000 ffff8800b1ae6fc8 ffffffff82dab352 ffffffff8667aec0 [ 42.923802] ffff8800b1ae70a0 ffffffff8672c8c0 ffffffff818db72b 0000000000000009 [ 42.931820] ffff8800b1ae7090 ffffffff815c7a54 0000000041b58ab3 ffffffff8778fdc3 [ 42.939835] Call Trace: [ 42.942410] [] dump_stack+0x136/0x1d4 [ 42.947833] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.953600] [] panic+0x1af/0x348 [ 42.958585] [] ? to_vmem_altmap+0x125/0x125 [ 42.964539] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.970321] [] __warn+0x18d/0x1b0 [ 42.975410] [] warn_slowpath_fmt+0x92/0xb0 [ 42.981274] [] ? __warn+0x1b0/0x1b0 [ 42.986522] [] ? kernfs_path_from_node+0x4a/0x60 [ 42.992915] [] sysfs_warn_dup+0x7b/0xa0 [ 42.998509] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 43.005510] [] sysfs_create_link+0x43/0xb0 [ 43.011386] [] device_add+0x6a1/0x1400 [ 43.016893] [] ? device_private_init+0x180/0x180 [ 43.023353] [] ? kfree_const+0x1d/0x20 [ 43.028861] [] ? kobject_set_name_vargs+0xb4/0x130 [ 43.035408] [] device_create_groups_vargs+0x1c8/0x220 [ 43.042235] [] device_create+0x88/0xa0 [ 43.047753] [] ? device_create_vargs+0x20/0x20 [ 43.053974] [] ? macvlan_set_mac_address+0x150/0x150 [ 43.060708] [] macvtap_device_event+0x1c4/0x2a0 [ 43.067030] [] notifier_call_chain+0x8b/0x170 [ 43.073146] [] raw_notifier_call_chain+0x11/0x20 [ 43.079526] [] call_netdevice_notifiers_info+0x47/0x80 [ 43.086448] [] register_netdevice+0x8e8/0xd00 [ 43.092568] [] ? netdev_change_features+0x80/0x80 [ 43.099030] [] ? dev_get_nest_level+0x10c/0x1a0 [ 43.105317] [] macvlan_common_newlink+0x8b9/0x1090 [ 43.111867] [] macvtap_newlink+0xbf/0x110 [ 43.117640] [] ? __netlink_ns_capable+0xc7/0xf0 [ 43.123934] [] rtnl_newlink+0xd4b/0x1230 [ 43.129622] [] ? rtnl_link_ops_get+0x5d/0x90 [ 43.135662] [] ? rtnl_newlink+0x319/0x1230 [ 43.141579] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 43.148328] [] ? rtnl_setlink+0x2f0/0x2f0 [ 43.154158] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 43.160902] [] ? __lock_acquire+0x15c3/0x5990 [ 43.167108] [] ? cpuacct_charge+0x189/0x300 [ 43.173052] [] ? cpuacct_css_alloc+0x160/0x160 [ 43.179278] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.186278] [] ? __netlink_ns_capable+0xc7/0xf0 [ 43.192583] [] rtnetlink_rcv_msg+0x222/0x680 [ 43.198633] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 43.205444] [] ? rtnetlink_rcv+0x30/0x30 [ 43.211127] [] ? mutex_lock_nested+0x5fd/0xb30 [ 43.217363] [] ? rtnetlink_rcv+0x16/0x30 [ 43.223102] [] ? netlink_seq_start+0xe0/0xe0 [ 43.229142] [] netlink_rcv_skb+0x242/0x350 [ 43.235001] [] ? rtnetlink_rcv+0x30/0x30 [ 43.240685] [] rtnetlink_rcv+0x25/0x30 [ 43.246209] [] netlink_unicast+0x3da/0x560 [ 43.252067] [] ? netlink_sendskb+0x40/0x40 [ 43.257924] [] netlink_sendmsg+0x9bb/0xb40 [ 43.263778] [] ? nlmsg_notify+0xf0/0xf0 [ 43.269378] [] ? __might_fault+0xf1/0x1b0 [ 43.275241] [] ? nlmsg_notify+0xf0/0xf0 [ 43.280878] [] sock_sendmsg+0xb5/0xf0 [ 43.286300] [] SyS_sendto+0x1ca/0x290 [ 43.291733] [] ? SyS_getpeername+0x240/0x240 [ 43.297780] [] ? mntput_no_expire+0xce/0x600 [ 43.303914] [] ? mnt_get_count+0x1c0/0x1c0 [ 43.309788] [] ? mntput+0x52/0x70 [ 43.314868] [] ? task_work_run+0x14a/0x200 [ 43.320726] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 43.327539] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 43.334101] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 43.340823] Kernel Offset: disabled