[ 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 '10.128.0.158' (ECDSA) to the list of known hosts. 2020/10/19 20:35:50 fuzzer started 2020/10/19 20:35:50 dialing manager at 10.128.0.26:34151 2020/10/19 20:35:50 syscalls: 1618 2020/10/19 20:35:50 code coverage: enabled 2020/10/19 20:35:50 comparison tracing: enabled 2020/10/19 20:35:50 extra coverage: enabled 2020/10/19 20:35:50 setuid sandbox: enabled 2020/10/19 20:35:50 namespace sandbox: enabled 2020/10/19 20:35:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/10/19 20:35:50 fault injection: enabled 2020/10/19 20:35:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/10/19 20:35:50 net packet injection: enabled 2020/10/19 20:35:50 net device setup: enabled 2020/10/19 20:35:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/10/19 20:35:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/10/19 20:35:50 USB emulation: enabled 2020/10/19 20:35:50 hci packet injection: enabled 2020/10/19 20:35:50 wifi device emulation: enabled syzkaller login: [ 148.083661][ C1] WARNING: can't access registers at asm_sysvec_apic_timer_interrupt+0x12/0x20 20:37:14 executing program 0: socket(0x1, 0x0, 0x6) 20:37:14 executing program 1: unshare(0x10040080) 20:37:15 executing program 2: epoll_create(0x3fb) 20:37:15 executing program 3: syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a80)='NLBL_MGMT\x00') 20:37:15 executing program 4: r0 = socket$inet6(0x10, 0x3, 0x4) sendto$inet6(r0, &(0x7f00000001c0)="4c00000012001f15b9409b849ac00a00a5784099000000000000030038c88c0200000027a6c5b068d0bf46d323456536005ad94a461cdbfee9bdb9423523598451d1ec0cffc8792cd8000000", 0x4c, 0x4000000, 0x0, 0x0) 20:37:15 executing program 5: unshare(0x20040400) [ 153.999856][ T6885] IPVS: ftp: loaded support on port[0] = 21 [ 154.238553][ T6887] IPVS: ftp: loaded support on port[0] = 21 [ 154.415695][ T6889] IPVS: ftp: loaded support on port[0] = 21 [ 154.476320][ T6885] chnl_net:caif_netlink_parms(): no params data found [ 154.690638][ T6885] bridge0: port 1(bridge_slave_0) entered blocking state [ 154.699135][ T6885] bridge0: port 1(bridge_slave_0) entered disabled state [ 154.708514][ T6885] device bridge_slave_0 entered promiscuous mode [ 154.725419][ T6885] bridge0: port 2(bridge_slave_1) entered blocking state [ 154.733163][ T6885] bridge0: port 2(bridge_slave_1) entered disabled state [ 154.742333][ T6885] device bridge_slave_1 entered promiscuous mode [ 154.790658][ T6891] IPVS: ftp: loaded support on port[0] = 21 [ 154.797322][ T6885] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 154.855894][ T6885] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 154.967954][ T6893] IPVS: ftp: loaded support on port[0] = 21 [ 155.069616][ T6887] chnl_net:caif_netlink_parms(): no params data found [ 155.087637][ T6885] team0: Port device team_slave_0 added [ 155.098263][ T6885] team0: Port device team_slave_1 added [ 155.242675][ T6885] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 155.249673][ T6885] 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. [ 155.278412][ T6885] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 155.333355][ T6885] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 155.346797][ T6885] 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. [ 155.377521][ T6885] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 155.449236][ T6925] IPVS: ftp: loaded support on port[0] = 21 [ 155.456472][ T6889] chnl_net:caif_netlink_parms(): no params data found [ 155.657818][ T6885] device hsr_slave_0 entered promiscuous mode [ 155.666748][ T6885] device hsr_slave_1 entered promiscuous mode [ 155.748570][ T6887] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.756676][ T6887] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.768081][ T6887] device bridge_slave_0 entered promiscuous mode [ 155.780433][ T6887] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.788926][ T6887] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.798045][ T6887] device bridge_slave_1 entered promiscuous mode [ 155.893735][ T6891] chnl_net:caif_netlink_parms(): no params data found [ 155.920299][ T6887] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 155.930361][ T2476] Bluetooth: hci0: command 0x0409 tx timeout [ 155.968849][ T6889] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.977094][ T6889] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.987560][ T6889] device bridge_slave_0 entered promiscuous mode [ 155.995912][ T6893] chnl_net:caif_netlink_parms(): no params data found [ 156.011998][ T6887] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 156.042028][ T6889] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.049257][ T6889] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.060256][ T6889] device bridge_slave_1 entered promiscuous mode [ 156.144853][ T6887] team0: Port device team_slave_0 added [ 156.182041][ T2551] Bluetooth: hci1: command 0x0409 tx timeout [ 156.188764][ T6887] team0: Port device team_slave_1 added [ 156.203124][ T6889] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 156.252456][ T6889] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 156.298410][ T6887] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 156.306117][ T6887] 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. [ 156.335702][ T6887] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 156.400331][ T6887] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 156.408532][ T6887] 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. [ 156.411471][ T17] Bluetooth: hci2: command 0x0409 tx timeout [ 156.435201][ T6887] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 156.548298][ T6889] team0: Port device team_slave_0 added [ 156.590452][ T6891] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.599262][ T6891] bridge0: port 1(bridge_slave_0) entered disabled state [ 156.609816][ T6891] device bridge_slave_0 entered promiscuous mode [ 156.618276][ T6893] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.626278][ T6893] bridge0: port 1(bridge_slave_0) entered disabled state [ 156.634991][ T6893] device bridge_slave_0 entered promiscuous mode [ 156.641951][ T5] Bluetooth: hci3: command 0x0409 tx timeout [ 156.666506][ T6889] team0: Port device team_slave_1 added [ 156.683163][ T6887] device hsr_slave_0 entered promiscuous mode [ 156.692984][ T6887] device hsr_slave_1 entered promiscuous mode [ 156.699739][ T6887] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 156.708738][ T6887] Cannot create hsr debugfs directory [ 156.715002][ T6891] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.727239][ T6891] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.736424][ T6891] device bridge_slave_1 entered promiscuous mode [ 156.755051][ T6925] chnl_net:caif_netlink_parms(): no params data found [ 156.775621][ T6893] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.787320][ T6893] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.796269][ T6893] device bridge_slave_1 entered promiscuous mode [ 156.838185][ T6891] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 156.881599][ T5] Bluetooth: hci4: command 0x0409 tx timeout [ 156.897023][ T6891] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 156.908086][ T6889] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 156.916129][ T6889] 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. [ 156.942327][ T6889] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 156.985649][ T6885] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 157.006435][ T6889] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 157.013834][ T6889] 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. [ 157.040119][ T6889] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 157.072716][ T6893] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 157.082869][ T6885] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 157.119657][ T6893] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 157.132522][ T6885] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 157.149594][ T6885] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 157.169270][ T6891] team0: Port device team_slave_0 added [ 157.238736][ T6891] team0: Port device team_slave_1 added [ 157.274962][ T6925] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.282366][ T6925] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.290209][ T6925] device bridge_slave_0 entered promiscuous mode [ 157.302289][ T6893] team0: Port device team_slave_0 added [ 157.317477][ T6893] team0: Port device team_slave_1 added [ 157.326387][ T6889] device hsr_slave_0 entered promiscuous mode [ 157.334745][ T6889] device hsr_slave_1 entered promiscuous mode [ 157.342695][ T6889] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 157.350262][ T6889] Cannot create hsr debugfs directory [ 157.361467][ T2476] Bluetooth: hci5: command 0x0409 tx timeout [ 157.374673][ T6925] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.382927][ T6925] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.390776][ T6925] device bridge_slave_1 entered promiscuous mode [ 157.431036][ T6893] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 157.439935][ T6893] 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. [ 157.468246][ T6893] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 157.485485][ T6893] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 157.492577][ T6893] 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. [ 157.519734][ T6893] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 157.569273][ T6891] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 157.576578][ T6891] 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. [ 157.604052][ T6891] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 157.651643][ T6891] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 157.658742][ T6891] 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. [ 157.689694][ T6891] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 157.727981][ T6925] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 157.740487][ T6925] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 157.858306][ T6893] device hsr_slave_0 entered promiscuous mode [ 157.874088][ T6893] device hsr_slave_1 entered promiscuous mode [ 157.882298][ T6893] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 157.889985][ T6893] Cannot create hsr debugfs directory [ 157.914351][ T6891] device hsr_slave_0 entered promiscuous mode [ 157.931216][ T6891] device hsr_slave_1 entered promiscuous mode [ 157.938355][ T6891] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 157.948033][ T6891] Cannot create hsr debugfs directory [ 157.970765][ T6925] team0: Port device team_slave_0 added [ 158.002275][ T5] Bluetooth: hci0: command 0x041b tx timeout [ 158.035820][ T6925] team0: Port device team_slave_1 added