Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2020/12/14 03:35:14 parsed 1 programs 2020/12/14 03:35:14 executed programs: 0 [ 36.646017] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 36.668717] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 36.677518] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 36.686613] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 36.694671] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 36.704141] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 36.711812] IPVS: Creating netns size=2712 id=2 [ 36.711867] IPVS: ftp: loaded support on port[0] = 21 [ 36.770083] IPVS: Creating netns size=2712 id=3 [ 36.777595] IPVS: ftp: loaded support on port[0] = 21 [ 36.877829] IPVS: Creating netns size=2712 id=4 [ 36.882684] IPVS: ftp: loaded support on port[0] = 21 [ 36.893742] chnl_net:caif_netlink_parms(): no params data found [ 37.014610] chnl_net:caif_netlink_parms(): no params data found [ 37.034452] IPVS: Creating netns size=2712 id=5 [ 37.048895] IPVS: ftp: loaded support on port[0] = 21 [ 37.155819] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.162383] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.171420] device bridge_slave_0 entered promiscuous mode [ 37.183611] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.190535] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.198615] device bridge_slave_1 entered promiscuous mode [ 37.241621] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 37.250481] chnl_net:caif_netlink_parms(): no params data found [ 37.266067] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 37.314144] IPVS: Creating netns size=2712 id=6 [ 37.324764] IPVS: ftp: loaded support on port[0] = 21 [ 37.357942] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.366042] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.373930] device bridge_slave_0 entered promiscuous mode [ 37.381872] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.389383] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.397440] device bridge_slave_1 entered promiscuous mode [ 37.505867] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 37.531990] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 37.541456] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 37.576220] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 37.628939] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.637014] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.645582] device bridge_slave_0 entered promiscuous mode [ 37.652232] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.666556] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.672964] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.681473] device bridge_slave_1 entered promiscuous mode [ 37.698741] IPVS: Creating netns size=2712 id=7 [ 37.699265] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.711569] IPVS: ftp: loaded support on port[0] = 21 [ 37.797133] chnl_net:caif_netlink_parms(): no params data found [ 37.823630] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 37.832658] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.869030] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 37.877976] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.899854] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 37.940950] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.100989] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.119398] chnl_net:caif_netlink_parms(): no params data found [ 38.137414] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.230182] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.256630] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.263249] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.271763] device bridge_slave_0 entered promiscuous mode [ 38.278809] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.320054] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.326491] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.335312] device bridge_slave_1 entered promiscuous mode [ 38.430336] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.470012] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.478044] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.492840] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.506935] chnl_net:caif_netlink_parms(): no params data found [ 38.552630] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.617508] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.624034] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.631722] device bridge_slave_0 entered promiscuous mode [ 38.678330] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.686107] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.695191] device bridge_slave_1 entered promiscuous mode [ 38.753332] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.793766] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.862202] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.872892] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.881016] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.948368] ------------[ cut here ]------------ [ 38.954948] WARNING: CPU: 1 PID: 7949 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 38.963527] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 38.970530] Kernel panic - not syncing: panic_on_warn set ... [ 38.970530] [ 38.977878] CPU: 1 PID: 7949 Comm: syz-executor.3 Not tainted 4.6.0-syzkaller #0 [ 38.985384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.994802] 0000000000000000 ffff8800b1146fc8 ffffffff82da4dd2 ffffffff8667aec0 [ 39.003413] ffff8800b11470a0 ffffffff8672c900 ffffffff818db72b 0000000000000009 [ 39.012282] ffff8800b1147090 ffffffff815c7a54 0000000041b58ab3 ffffffff8778de63 [ 39.020293] Call Trace: [ 39.022855] [] dump_stack+0x136/0x1d4 [ 39.028717] [] ? sysfs_warn_dup+0x7b/0xa0 [ 39.034509] [] panic+0x1af/0x348 [ 39.039494] [] ? to_vmem_altmap+0x125/0x125 [ 39.045456] [] ? sysfs_warn_dup+0x7b/0xa0 [ 39.051317] [] __warn+0x18d/0x1b0 [ 39.056423] [] warn_slowpath_fmt+0x92/0xb0 [ 39.062296] [] ? __warn+0x1b0/0x1b0 [ 39.067726] [] ? kernfs_path_from_node+0x4a/0x60 [ 39.075706] [] sysfs_warn_dup+0x7b/0xa0 [ 39.081401] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 39.088384] [] sysfs_create_link+0x43/0xb0 [ 39.094256] [] device_add+0x6a1/0x1400 [ 39.099783] [] ? device_private_init+0x180/0x180 [ 39.106407] [] ? kfree_const+0x1d/0x20 [ 39.112367] [] ? kobject_set_name_vargs+0xb4/0x130 [ 39.119304] [] device_create_groups_vargs+0x1c8/0x220 [ 39.126133] [] device_create+0x88/0xa0 [ 39.131729] [] ? device_create_vargs+0x20/0x20 [ 39.138077] [] ? macvlan_set_mac_address+0x150/0x150 [ 39.145705] [] macvtap_device_event+0x1c4/0x2a0 [ 39.152524] [] notifier_call_chain+0x8b/0x170 [ 39.158914] [] raw_notifier_call_chain+0x11/0x20 [ 39.165396] [] call_netdevice_notifiers_info+0x47/0x80 [ 39.172398] [] register_netdevice+0x8e8/0xd00 [ 39.178526] [] ? netdev_change_features+0x80/0x80 [ 39.185013] [] ? dev_get_nest_level+0x10c/0x1a0 [ 39.191309] [] macvlan_common_newlink+0x8b9/0x1090 [ 39.197864] [] macvtap_newlink+0xbf/0x110 [ 39.203635] [] ? __netlink_ns_capable+0xc7/0xf0 [ 39.210105] [] rtnl_newlink+0xd4b/0x1230 [ 39.216149] [] ? rtnl_link_ops_get+0x5d/0x90 [ 39.222211] [] ? rtnl_newlink+0x319/0x1230 [ 39.228079] [] ? load_balance+0xc07/0x1ee0 [ 39.233958] [] ? cpuacct_charge+0x16c/0x300 [ 39.239905] [] ? rtnl_setlink+0x2f0/0x2f0 [ 39.245675] [] ? cpuacct_charge+0x189/0x300 [ 39.252141] [] ? cpuacct_css_alloc+0x160/0x160 [ 39.258572] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 39.266271] [] ? __netlink_ns_capable+0xc7/0xf0 [ 39.272844] [] rtnetlink_rcv_msg+0x222/0x680 [ 39.279327] [] ? rtnetlink_rcv+0x30/0x30 [ 39.285144] [] ? mutex_lock_nested+0x5fd/0xb30 [ 39.291877] [] ? rtnetlink_rcv+0x16/0x30 [ 39.297845] [] ? netlink_seq_start+0xe0/0xe0 [ 39.303989] [] netlink_rcv_skb+0x242/0x350 [ 39.310602] [] ? rtnetlink_rcv+0x30/0x30 [ 39.316401] [] rtnetlink_rcv+0x25/0x30 [ 39.322630] [] netlink_unicast+0x3da/0x560 [ 39.329443] [] ? netlink_sendskb+0x40/0x40 [ 39.335301] [] netlink_sendmsg+0x9bb/0xb40 [ 39.341424] [] ? nlmsg_notify+0xf0/0xf0 [ 39.347021] [] ? __might_fault+0xf1/0x1b0 [ 39.352804] [] ? security_socket_sendmsg+0x6a/0xa0 [ 39.360318] [] ? nlmsg_notify+0xf0/0xf0 [ 39.365935] [] sock_sendmsg+0xb5/0xf0 [ 39.371376] [] SyS_sendto+0x1ca/0x290 [ 39.376837] [] ? SyS_getpeername+0x240/0x240 [ 39.382875] [] ? mntput_no_expire+0xce/0x600 [ 39.388922] [] ? mnt_get_count+0x1c0/0x1c0 [ 39.394787] [] ? mntput+0x52/0x70 [ 39.400056] [] ? task_work_run+0x14a/0x200 [ 39.406047] [] ? trace_hardirqs_off+0xd/0x10 [ 39.412381] [] ? exit_to_usermode_loop+0x112/0x1c0 [ 39.419131] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 39.425969] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 39.433715] Kernel Offset: disabled