[ 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 '10.128.0.240' (ECDSA) to the list of known hosts. 2021/01/27 05:25:50 parsed 1 programs 2021/01/27 05:25:57 executed programs: 0 syzkaller login: [ 315.398702][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 315.463140][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 315.481604][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.488795][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.496431][ T8479] device bridge_slave_0 entered promiscuous mode [ 315.503546][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.510882][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.518257][ T8479] device bridge_slave_1 entered promiscuous mode [ 315.528697][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 315.538504][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 315.551650][ T8479] team0: Port device team_slave_0 added [ 315.557735][ T8479] team0: Port device team_slave_1 added [ 315.566605][ T8479] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 315.573562][ T8479] 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. [ 315.599890][ T8479] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 315.600998][ T8479] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 315.617671][ T8479] 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. [ 315.644069][ T8479] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 315.659755][ T8479] device hsr_slave_0 entered promiscuous mode [ 315.666317][ T8479] device hsr_slave_1 entered promiscuous mode [ 315.693876][ T8479] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 315.701390][ T8479] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 315.708742][ T8479] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 315.721175][ T8479] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 315.733509][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.740718][ T8479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.747942][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.754969][ T8479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.773617][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 315.782821][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 315.791032][ T8620] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.798350][ T8620] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.806219][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 315.815160][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 315.823430][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 315.832242][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.839258][ T8513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.848117][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 315.856278][ T4899] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.863320][ T4899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.878362][ T8479] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 315.889279][ T8479] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 315.901318][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 315.909554][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 315.918199][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 315.926367][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 315.934419][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 315.942125][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 315.954124][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 315.961515][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 315.969860][ T8479] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 315.981836][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 315.994467][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 316.002562][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 316.009911][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 316.018379][ T8479] device veth0_vlan entered promiscuous mode [ 316.026719][ T8479] device veth1_vlan entered promiscuous mode [ 316.037953][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 316.045986][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 316.054024][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 316.063382][ T8479] device veth0_macvtap entered promiscuous mode [ 316.070970][ T8479] device veth1_macvtap entered promiscuous mode [ 316.081314][ T8479] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 316.088554][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 316.097248][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 316.106463][ T8479] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 316.114082][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 316.123408][ T8479] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.132294][ T8479] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.140984][ T8479] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.149743][ T8479] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.177773][ T26] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.188271][ T26] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.200867][ T846] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.208793][ T846] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.209090][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 316.223959][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 316.296219][ T664] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 316.379424][ T664] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 316.416432][ T664] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 316.478738][ T664] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 317.324198][ T664] device hsr_slave_0 left promiscuous mode [ 317.333174][ T664] device hsr_slave_1 left promiscuous mode [ 317.344102][ T664] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 317.351742][ T664] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 317.359103][ T664] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 317.367495][ T664] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 317.375204][ T664] device bridge_slave_1 left promiscuous mode [ 317.381704][ T664] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.389077][ T664] device bridge_slave_0 left promiscuous mode [ 317.396061][ T664] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.404578][ T664] device veth1_macvtap left promiscuous mode [ 317.411202][ T664] device veth0_macvtap left promiscuous mode [ 317.417277][ T664] device veth1_vlan left promiscuous mode [ 317.423652][ T664] device veth0_vlan left promiscuous mode [ 317.651403][ T664] team0 (unregistering): Port device team_slave_1 removed [ 317.659287][ T664] team0 (unregistering): Port device team_slave_0 removed [ 317.667787][ T664] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 317.677623][ T664] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 317.691439][ T664] bond0 (unregistering): Released all slaves 2021/01/27 05:26:04 executed programs: 1 2021/01/27 05:26:04 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 [ 322.588392][ T8779] IPVS: ftp: loaded support on port[0] = 21 [ 322.654830][ T8779] chnl_net:caif_netlink_parms(): no params data found [ 322.673209][ T8779] bridge0: port 1(bridge_slave_0) entered blocking state [ 322.680976][ T8779] bridge0: port 1(bridge_slave_0) entered disabled state [ 322.688190][ T8779] device bridge_slave_0 entered promiscuous mode [ 322.695692][ T8779] bridge0: port 2(bridge_slave_1) entered blocking state [ 322.702998][ T8779] bridge0: port 2(bridge_slave_1) entered disabled state [ 322.710453][ T8779] device bridge_slave_1 entered promiscuous mode [ 322.721180][ T8779] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 322.731213][ T8779] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 322.744221][ T8779] team0: Port device team_slave_0 added [ 322.750806][ T8779] team0: Port device team_slave_1 added [ 322.760054][ T8779] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 322.767154][ T8779] 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. [ 322.793156][ T8779] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 322.804588][ T8779] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 322.811892][ T8779] 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. [ 322.837815][ T8779] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 322.853576][ T8779] device hsr_slave_0 entered promiscuous mode [ 322.859869][ T8779] device hsr_slave_1 entered promiscuous mode [ 322.887396][ T8779] bridge0: port 2(bridge_slave_1) entered blocking state [ 322.894700][ T8779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 322.901957][ T8779] bridge0: port 1(bridge_slave_0) entered blocking state [ 322.908980][ T8779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 322.930811][ T8779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 322.940352][ T3944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 322.947788][ T3944] bridge0: port 1(bridge_slave_0) entered disabled state [ 322.955867][ T3944] bridge0: port 2(bridge_slave_1) entered disabled state [ 322.963594][ T3944] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 322.972840][ T8779] 8021q: adding VLAN 0 to HW filter on device team0 [ 322.981387][ T3944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 322.989497][ T3944] bridge0: port 1(bridge_slave_0) entered blocking state [ 322.996638][ T3944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 323.005386][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 323.013821][ T8620] bridge0: port 2(bridge_slave_1) entered blocking state [ 323.020867][ T8620] bridge0: port 2(bridge_slave_1) entered forwarding state [ 323.038121][ T8779] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 323.048674][ T8779] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 323.060703][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 323.068913][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 323.077240][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 323.085375][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 323.093758][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 323.101127][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 323.114329][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 323.121998][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 323.130790][ T8779] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 323.299822][ T3944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 323.309986][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 323.318063][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 323.326054][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 323.335052][ T8779] device veth0_vlan entered promiscuous mode [ 323.344185][ T8779] device veth1_vlan entered promiscuous mode [ 323.356579][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 323.364614][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 323.372791][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 323.382346][ T8779] device veth0_macvtap entered promiscuous mode [ 323.390771][ T8779] device veth1_macvtap entered promiscuous mode [ 323.401798][ T8779] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 323.409112][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 323.417819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 323.427304][ T8779] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 323.434725][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 323.460328][ T26] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 323.468141][ T26] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 323.487342][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 323.495177][ T26] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 323.503223][ T26] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 323.510902][ T3760] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 324.353492][ T26] device hsr_slave_0 left promiscuous mode [ 324.363067][ T26] device hsr_slave_1 left promiscuous mode [ 324.373661][ T26] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 324.381126][ T26] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 324.388548][ T26] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 324.397829][ T26] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 324.405684][ T26] device bridge_slave_1 left promiscuous mode [ 324.412379][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 324.420763][ T26] device bridge_slave_0 left promiscuous mode [ 324.426880][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 324.435863][ T26] device veth1_macvtap left promiscuous mode [ 324.442364][ T26] device veth0_macvtap left promiscuous mode [ 324.448344][ T26] device veth1_vlan left promiscuous mode [ 324.454750][ T26] device veth0_vlan left promiscuous mode [ 324.707937][ T9011] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 324.729021][ T26] team0 (unregistering): Port device team_slave_1 removed [ 324.737011][ T26] team0 (unregistering): Port device team_slave_0 removed [ 324.745374][ T26] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 324.756315][ T26] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 324.770600][ T26] bond0 (unregistering): Released all slaves [ 330.567712][ T9011] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810dff9b00 (size 256): comm "syz-executor.0", pid 8479, jiffies 4294968820 (age 15.210s) 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 c0 7e 0e 81 88 ff ff ..........~..... backtrace: [<00000000923295da>] rxrpc_lookup_local+0x1c1/0x760 [<000000003914871c>] rxrpc_bind+0x174/0x240 [<00000000f4f1fa69>] afs_open_socket+0xdb/0x200 [<000000005aa4eb61>] afs_net_init+0x2b4/0x340 [<00000000e27aaab7>] ops_init+0x4e/0x190 [<00000000857a2ce5>] setup_net+0xde/0x2d0 [<00000000ab724497>] copy_net_ns+0x19f/0x3e0 [<0000000026d87d48>] create_new_namespaces+0x199/0x4f0 [<00000000effe04a2>] unshare_nsproxy_namespaces+0x9b/0x120 [<000000005f7e68d8>] ksys_unshare+0x2fe/0x5c0 [<000000007cd9e8f2>] __x64_sys_unshare+0x12/0x20 [<0000000027d4438b>] do_syscall_64+0x2d/0x70 [<000000007ab43f65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888116ae5b00 (size 256): comm "syz-executor.0", pid 8779, jiffies 4294969538 (age 8.030s) 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 00 e9 16 81 88 ff ff ................ backtrace: [<00000000923295da>] rxrpc_lookup_local+0x1c1/0x760 [<000000003914871c>] rxrpc_bind+0x174/0x240 [<00000000f4f1fa69>] afs_open_socket+0xdb/0x200 [<000000005aa4eb61>] afs_net_init+0x2b4/0x340 [<00000000e27aaab7>] ops_init+0x4e/0x190 [<00000000857a2ce5>] setup_net+0xde/0x2d0 [<00000000ab724497>] copy_net_ns+0x19f/0x3e0 [<0000000026d87d48>] create_new_namespaces+0x199/0x4f0 [<00000000effe04a2>] unshare_nsproxy_namespaces+0x9b/0x120 [<000000005f7e68d8>] ksys_unshare+0x2fe/0x5c0 [<000000007cd9e8f2>] __x64_sys_unshare+0x12/0x20 [<0000000027d4438b>] do_syscall_64+0x2d/0x70 [<000000007ab43f65>] entry_SYSCALL_64_after_hwframe+0x44/0xa9