[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts. 2021/01/29 07:54:46 parsed 1 programs 2021/01/29 07:54:53 executed programs: 0 syzkaller login: [ 318.919272][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 318.967933][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 318.997139][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.004961][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 319.012558][ T8455] device bridge_slave_0 entered promiscuous mode [ 319.019960][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.027026][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 319.034526][ T8455] device bridge_slave_1 entered promiscuous mode [ 319.045143][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 319.055127][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 319.068075][ T8455] team0: Port device team_slave_0 added [ 319.074269][ T8455] team0: Port device team_slave_1 added [ 319.083633][ T8455] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 319.090776][ T8455] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 319.118510][ T8455] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 319.129830][ T8455] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 319.136778][ T8455] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 319.162691][ T8455] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 319.178370][ T8455] device hsr_slave_0 entered promiscuous mode [ 319.184640][ T8455] device hsr_slave_1 entered promiscuous mode [ 319.214994][ T8455] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 319.225182][ T8455] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 319.233189][ T8455] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 319.240755][ T8455] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 319.252998][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.260048][ T8455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.267295][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.274368][ T8455] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.294334][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 319.303487][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 319.311757][ T8138] bridge0: port 1(bridge_slave_0) entered disabled state [ 319.319349][ T8138] bridge0: port 2(bridge_slave_1) entered disabled state [ 319.326826][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 319.336504][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 319.344975][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 319.353410][ T2017] bridge0: port 1(bridge_slave_0) entered blocking state [ 319.360479][ T2017] bridge0: port 1(bridge_slave_0) entered forwarding state [ 319.369527][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 319.378059][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 319.385119][ T8528] bridge0: port 2(bridge_slave_1) entered forwarding state [ 319.397627][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 319.405943][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 319.415179][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 319.427034][ T8455] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 319.437865][ T8455] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 319.449821][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 319.458067][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 319.466124][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 319.477558][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 319.484927][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 319.495347][ T8455] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 319.507499][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 319.521596][ T8455] device veth0_vlan entered promiscuous mode [ 319.528061][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 319.536115][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 319.544855][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 319.554894][ T8455] device veth1_vlan entered promiscuous mode [ 319.569510][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 319.577720][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 319.586309][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 319.596049][ T8455] device veth0_macvtap entered promiscuous mode [ 319.604655][ T8455] device veth1_macvtap entered promiscuous mode [ 319.615611][ T8455] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 319.623316][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 319.631977][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 319.641630][ T8455] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 319.649620][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 319.659596][ T8455] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 319.668970][ T8455] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 319.677890][ T8455] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 319.686677][ T8455] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 319.720033][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 319.728332][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 319.734447][ T26] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 319.744593][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 319.753396][ T26] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 319.761074][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 319.849322][ T26] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 319.912527][ T26] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 319.985403][ T26] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 320.033438][ T26] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 320.951925][ T26] device hsr_slave_0 left promiscuous mode [ 320.961055][ T26] device hsr_slave_1 left promiscuous mode [ 320.971229][ T26] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 320.978687][ T26] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 320.986118][ T26] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 320.993808][ T26] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 321.025242][ T26] device bridge_slave_1 left promiscuous mode [ 321.031670][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 321.059609][ T26] device bridge_slave_0 left promiscuous mode [ 321.065795][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 321.073928][ T26] device veth1_macvtap left promiscuous mode [ 321.079948][ T26] device veth0_macvtap left promiscuous mode [ 321.085981][ T26] device veth1_vlan left promiscuous mode [ 321.091736][ T26] device veth0_vlan left promiscuous mode [ 321.258922][ T26] team0 (unregistering): Port device team_slave_1 removed [ 321.266901][ T26] team0 (unregistering): Port device team_slave_0 removed [ 321.275116][ T26] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 321.284486][ T26] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 321.298773][ T26] bond0 (unregistering): Released all slaves 2021/01/29 07:55:00 executed programs: 1 2021/01/29 07:55:00 result: hanged=false err=executor 0: failed to write control pipe: write |1: broken pipe umount(./0/file0) failed (errno 22) loop exited with status 0 [ 326.183945][ T8754] IPVS: ftp: loaded support on port[0] = 21 [ 326.250392][ T8754] chnl_net:caif_netlink_parms(): no params data found [ 326.269816][ T8754] bridge0: port 1(bridge_slave_0) entered blocking state [ 326.277313][ T8754] bridge0: port 1(bridge_slave_0) entered disabled state [ 326.285392][ T8754] device bridge_slave_0 entered promiscuous mode [ 326.293137][ T8754] bridge0: port 2(bridge_slave_1) entered blocking state [ 326.300548][ T8754] bridge0: port 2(bridge_slave_1) entered disabled state [ 326.308174][ T8754] device bridge_slave_1 entered promiscuous mode [ 326.319403][ T8754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 326.330227][ T8754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 326.343981][ T8754] team0: Port device team_slave_0 added [ 326.350755][ T8754] team0: Port device team_slave_1 added [ 326.360583][ T8754] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 326.367895][ T8754] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 326.394503][ T8754] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 326.406134][ T8754] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 326.413482][ T8754] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 326.439529][ T8754] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 326.450836][ T8754] device hsr_slave_0 entered promiscuous mode [ 326.457618][ T8754] device hsr_slave_1 entered promiscuous mode [ 326.486133][ T8754] bridge0: port 2(bridge_slave_1) entered blocking state [ 326.493196][ T8754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 326.500479][ T8754] bridge0: port 1(bridge_slave_0) entered blocking state [ 326.507553][ T8754] bridge0: port 1(bridge_slave_0) entered forwarding state [ 326.531187][ T8754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 326.541095][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 326.549817][ T2017] bridge0: port 1(bridge_slave_0) entered disabled state [ 326.558814][ T2017] bridge0: port 2(bridge_slave_1) entered disabled state [ 326.568542][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 326.579465][ T8754] 8021q: adding VLAN 0 to HW filter on device team0 [ 326.589347][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 326.601170][ T8709] bridge0: port 1(bridge_slave_0) entered blocking state [ 326.612004][ T8709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 326.627571][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 326.635782][ T8709] bridge0: port 2(bridge_slave_1) entered blocking state [ 326.642847][ T8709] bridge0: port 2(bridge_slave_1) entered forwarding state [ 326.650784][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 326.659510][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 326.672277][ T8754] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 326.682696][ T8754] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 326.694043][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 326.702636][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 326.710954][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 326.719275][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 326.733973][ T8754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 326.741277][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 326.748794][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 326.816179][ T8754] device veth0_vlan entered promiscuous mode [ 326.823091][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 326.831929][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 326.840125][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 326.848376][ T8709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 326.859076][ T8754] device veth1_vlan entered promiscuous mode [ 326.874246][ T8754] device veth0_macvtap entered promiscuous mode [ 326.881290][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 326.889223][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 326.896967][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 326.905407][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 326.915028][ T8754] device veth1_macvtap entered promiscuous mode [ 326.927014][ T8754] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 326.934368][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 326.944868][ T8754] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 326.952320][ T8138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 326.986767][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 326.995060][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 327.004303][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 327.019862][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 327.027893][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 327.035311][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 327.851001][ T8695] device hsr_slave_0 left promiscuous mode [ 327.859570][ T8695] device hsr_slave_1 left promiscuous mode [ 327.865663][ T8695] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 327.873356][ T8695] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 327.881490][ T8695] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 327.889107][ T8695] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 327.896569][ T8695] device bridge_slave_1 left promiscuous mode [ 327.903012][ T8695] bridge0: port 2(bridge_slave_1) entered disabled state [ 327.911302][ T8695] device bridge_slave_0 left promiscuous mode [ 327.917692][ T8695] bridge0: port 1(bridge_slave_0) entered disabled state [ 327.926480][ T8695] device veth1_macvtap left promiscuous mode [ 327.932907][ T8695] device veth0_macvtap left promiscuous mode [ 327.939117][ T8695] device veth1_vlan left promiscuous mode [ 327.944843][ T8695] device veth0_vlan left promiscuous mode [ 328.228206][ T8986] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 328.245426][ T8695] team0 (unregistering): Port device team_slave_1 removed [ 328.253914][ T8695] team0 (unregistering): Port device team_slave_0 removed [ 328.262494][ T8695] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 328.271952][ T8695] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 328.285801][ T8695] bond0 (unregistering): Released all slaves [ 334.117883][ T8986] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881120ba100 (size 256): comm "syz-executor.0", pid 8455, jiffies 4294969163 (age 15.260s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 0a 00 00 00 00 40 67 10 81 88 ff ff .........@g..... backtrace: [<0000000045a460b5>] rxrpc_lookup_local+0x1c1/0x760 [<00000000b5e5678a>] rxrpc_bind+0x174/0x240 [<000000009bc7189c>] afs_open_socket+0xdb/0x200 [<00000000b5ef2c94>] afs_net_init+0x2b4/0x340 [<000000006a60d9b3>] ops_init+0x4e/0x190 [<00000000bd342451>] setup_net+0xde/0x2d0 [<000000001a8fe050>] copy_net_ns+0x19f/0x3e0 [<00000000b2db12c4>] create_new_namespaces+0x199/0x4f0 [<000000009857316b>] unshare_nsproxy_namespaces+0x9b/0x120 [<0000000037cb2701>] ksys_unshare+0x2fe/0x5c0 [<000000004739588a>] __x64_sys_unshare+0x12/0x20 [<00000000f0d36f02>] do_syscall_64+0x2d/0x70 [<000000005c5ac84b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881107cef00 (size 256): comm "syz-executor.0", pid 8754, jiffies 4294969891 (age 7.990s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 0a 00 00 00 00 80 1f 16 81 88 ff ff ................ backtrace: [<0000000045a460b5>] rxrpc_lookup_local+0x1c1/0x760 [<00000000b5e5678a>] rxrpc_bind+0x174/0x240 [<000000009bc7189c>] afs_open_socket+0xdb/0x200 [<00000000b5ef2c94>] afs_net_init+0x2b4/0x340 [<000000006a60d9b3>] ops_init+0x4e/0x190 [<00000000bd342451>] setup_net+0xde/0x2d0 [<000000001a8fe050>] copy_net_ns+0x19f/0x3e0 [<00000000b2db12c4>] create_new_namespaces+0x199/0x4f0 [<000000009857316b>] unshare_nsproxy_namespaces+0x9b/0x120 [<0000000037cb2701>] ksys_unshare+0x2fe/0x5c0 [<000000004739588a>] __x64_sys_unshare+0x12/0x20 [<00000000f0d36f02>] do_syscall_64+0x2d/0x70 [<000000005c5ac84b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9