Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. 2020/10/09 21:15:57 parsed 1 programs 2020/10/09 21:15:57 executed programs: 0 [ 40.709125] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 40.723086] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 40.749144] IPVS: Creating netns size=2712 id=2 [ 40.758125] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 40.763078] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 40.770315] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 40.776563] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 40.790309] IPVS: ftp: loaded support on port[0] = 21 [ 40.862769] IPVS: Creating netns size=2712 id=3 [ 40.867630] IPVS: ftp: loaded support on port[0] = 21 [ 41.004540] chnl_net:caif_netlink_parms(): no params data found [ 41.046993] IPVS: Creating netns size=2712 id=4 [ 41.051838] IPVS: ftp: loaded support on port[0] = 21 [ 41.199471] chnl_net:caif_netlink_parms(): no params data found [ 41.255860] IPVS: Creating netns size=2712 id=5 [ 41.260675] IPVS: ftp: loaded support on port[0] = 21 [ 41.376736] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.383178] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.392661] device bridge_slave_0 entered promiscuous mode [ 41.418248] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.424701] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.433270] device bridge_slave_1 entered promiscuous mode [ 41.486396] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.520812] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.654759] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.661247] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.671313] device bridge_slave_0 entered promiscuous mode [ 41.700645] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.707418] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.716828] device bridge_slave_1 entered promiscuous mode [ 41.748158] chnl_net:caif_netlink_parms(): no params data found [ 41.775553] IPVS: Creating netns size=2712 id=6 [ 41.780359] IPVS: ftp: loaded support on port[0] = 21 [ 41.844341] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.864971] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.872972] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 41.881575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.910184] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.918794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.084739] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.160940] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.231057] IPVS: Creating netns size=2712 id=7 [ 42.237671] IPVS: ftp: loaded support on port[0] = 21 [ 42.370397] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.376865] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.386053] device bridge_slave_0 entered promiscuous mode [ 42.393333] chnl_net:caif_netlink_parms(): no params data found [ 42.431042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.449128] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.455580] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.465136] device bridge_slave_1 entered promiscuous mode [ 42.488118] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.598288] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.651267] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.817022] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.825965] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.009513] chnl_net:caif_netlink_parms(): no params data found [ 43.199231] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.206118] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.215597] device bridge_slave_0 entered promiscuous mode [ 43.223370] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.229722] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.238747] device bridge_slave_1 entered promiscuous mode [ 43.274229] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.292950] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.338738] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.383425] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.430473] chnl_net:caif_netlink_parms(): no params data found [ 43.454065] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.566952] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.615682] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.812193] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.818586] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.827976] device bridge_slave_0 entered promiscuous mode [ 43.869460] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.876540] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.883665] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.892941] device bridge_slave_1 entered promiscuous mode [ 43.900313] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.908236] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.945049] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.951413] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.960586] device bridge_slave_0 entered promiscuous mode [ 44.024232] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.030728] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.040444] device bridge_slave_1 entered promiscuous mode [ 44.124311] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.154133] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.174087] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.184898] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.203906] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.233179] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.356264] ------------[ cut here ]------------ [ 44.361076] WARNING: CPU: 1 PID: 5915 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 44.369722] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 44.376751] Kernel panic - not syncing: panic_on_warn set ... [ 44.376751] [ 44.384091] CPU: 1 PID: 5915 Comm: syz-executor.2 Not tainted 4.6.0-syzkaller #0 [ 44.391593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.400913] 0000000000000000 ffff880000076fc8 ffffffff82e18b12 ffffffff85e81040 [ 44.408876] ffff8800000770a0 ffffffff85f2bc00 ffffffff8191bd7b 0000000000000009 [ 44.416850] ffff880000077090 ffffffff8160d884 0000000041b58ab3 ffffffff86b4158a [ 44.424819] Call Trace: [ 44.427373] [] dump_stack+0x136/0x1d4 [ 44.432854] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.438841] [] panic+0x1af/0x348 [ 44.443826] [] ? to_vmem_altmap+0x125/0x125 [ 44.449763] [] ? sysfs_warn_dup+0x7b/0xa0 [ 44.455529] [] __warn+0x18d/0x1b0 [ 44.460597] [] warn_slowpath_fmt+0x92/0xb0 [ 44.466448] [] ? __warn+0x1b0/0x1b0 [ 44.471699] [] ? kernfs_path_from_node+0x4a/0x60 [ 44.478077] [] sysfs_warn_dup+0x7b/0xa0 [ 44.484624] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 44.491612] [] sysfs_create_link+0x43/0xb0 [ 44.497469] [] device_add+0x677/0x1350 [ 44.502983] [] ? device_private_init+0x180/0x180 [ 44.509373] [] ? kfree_const+0x1d/0x20 [ 44.514894] [] ? kobject_set_name_vargs+0xb4/0x130 [ 44.521454] [] device_create_groups_vargs+0x1c8/0x220 [ 44.528277] [] device_create+0x88/0xa0 [ 44.533797] [] ? device_create_vargs+0x20/0x20 [ 44.539997] [] ? macvlan_set_mac_address+0x150/0x150 [ 44.546720] [] macvtap_device_event+0x1c4/0x2a0 [ 44.553007] [] notifier_call_chain+0x8b/0x170 [ 44.559117] [] raw_notifier_call_chain+0x11/0x20 [ 44.565488] [] call_netdevice_notifiers_info+0x47/0x80 [ 44.572381] [] register_netdevice+0x8e8/0xd00 [ 44.578494] [] ? netdev_change_features+0x80/0x80 [ 44.584974] [] ? dev_get_nest_level+0x10c/0x1a0 [ 44.591259] [] macvlan_common_newlink+0x8b9/0x1090 [ 44.597805] [] macvtap_newlink+0xbf/0x110 [ 44.603569] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.609853] [] rtnl_newlink+0xd4b/0x1230 [ 44.615538] [] ? rtnl_link_ops_get+0x5d/0x90 [ 44.621563] [] ? rtnl_newlink+0x319/0x1230 [ 44.627422] [] ? rtnl_setlink+0x2f0/0x2f0 [ 44.633206] [] ? cpuacct_charge+0x189/0x300 [ 44.639142] [] ? cpuacct_css_alloc+0x160/0x160 [ 44.645343] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.652324] [] ? __netlink_ns_capable+0xc7/0xf0 [ 44.658616] [] rtnetlink_rcv_msg+0x222/0x680 [ 44.664665] [] ? rtnetlink_rcv+0x30/0x30 [ 44.670346] [] ? mutex_lock_nested+0x5fd/0xb30 [ 44.676553] [] ? rtnetlink_rcv+0x16/0x30 [ 44.682237] [] ? netlink_seq_start+0xe0/0xe0 [ 44.688265] [] netlink_rcv_skb+0x242/0x350 [ 44.694118] [] ? rtnetlink_rcv+0x30/0x30 [ 44.699797] [] rtnetlink_rcv+0x25/0x30 [ 44.705308] [] netlink_unicast+0x3da/0x560 [ 44.711161] [] ? netlink_sendskb+0x40/0x40 [ 44.717037] [] netlink_sendmsg+0x9bb/0xb40 [ 44.722890] [] ? nlmsg_notify+0xf0/0xf0 [ 44.728484] [] ? __might_fault+0xf1/0x1b0 [ 44.734271] [] ? security_socket_sendmsg+0x6a/0xa0 [ 44.740816] [] ? nlmsg_notify+0xf0/0xf0 [ 44.746408] [] sock_sendmsg+0xb5/0xf0 [ 44.751827] [] SyS_sendto+0x1ca/0x290 [ 44.757245] [] ? SyS_getpeername+0x240/0x240 [ 44.763278] [] ? kmem_cache_free+0x312/0x430 [ 44.769304] [] ? mntput_no_expire+0xce/0x600 [ 44.775329] [] ? mnt_get_count+0x1c0/0x1c0 [ 44.781207] [] ? mntput+0x52/0x70 [ 44.786365] [] ? task_work_run+0x14a/0x200 [ 44.792330] [] ? trace_hardirqs_off+0xd/0x10 [ 44.798362] [] ? exit_to_usermode_loop+0x112/0x1c0 [ 44.804999] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 44.811552] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 44.819386] Kernel Offset: disabled