[ 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 syzkaller login: [ 33.168291][ T6443] bash (6443) used greatest stack depth: 11056 bytes left Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. 2021/09/29 04:30:51 parsed 1 programs 2021/09/29 04:30:59 executed programs: 0 [ 1079.778599][ T6554] chnl_net:caif_netlink_parms(): no params data found [ 1079.801271][ T6554] bridge0: port 1(bridge_slave_0) entered blocking state [ 1079.809475][ T6554] bridge0: port 1(bridge_slave_0) entered disabled state [ 1079.817183][ T6554] device bridge_slave_0 entered promiscuous mode [ 1079.824537][ T6554] bridge0: port 2(bridge_slave_1) entered blocking state [ 1079.831880][ T6554] bridge0: port 2(bridge_slave_1) entered disabled state [ 1079.839595][ T6554] device bridge_slave_1 entered promiscuous mode [ 1079.852000][ T6554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1079.862152][ T6554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1079.877348][ T6554] team0: Port device team_slave_0 added [ 1079.883925][ T6554] team0: Port device team_slave_1 added [ 1079.895019][ T6554] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1079.902547][ T6554] 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. [ 1079.929785][ T6554] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1079.940907][ T6554] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1079.947918][ T6554] 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. [ 1079.974249][ T6554] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1079.991154][ T6554] device hsr_slave_0 entered promiscuous mode [ 1079.997603][ T6554] device hsr_slave_1 entered promiscuous mode [ 1080.028393][ T6554] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1080.036475][ T6554] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1080.044114][ T6554] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1080.051706][ T6554] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1080.063155][ T6554] bridge0: port 2(bridge_slave_1) entered blocking state [ 1080.070398][ T6554] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1080.077658][ T6554] bridge0: port 1(bridge_slave_0) entered blocking state [ 1080.084800][ T6554] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1080.104988][ T6554] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1080.114626][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1080.122588][ T2977] bridge0: port 1(bridge_slave_0) entered disabled state [ 1080.130692][ T2977] bridge0: port 2(bridge_slave_1) entered disabled state [ 1080.138410][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1080.147619][ T6554] 8021q: adding VLAN 0 to HW filter on device team0 [ 1080.156107][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1080.164565][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 1080.171682][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1080.180648][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1080.188930][ T2977] bridge0: port 2(bridge_slave_1) entered blocking state [ 1080.195967][ T2977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1080.211188][ T6554] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1080.221588][ T6554] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1080.233617][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1080.242382][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1080.250835][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1080.259093][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1080.271735][ T6554] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1080.279070][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1080.286532][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1080.293902][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1080.301623][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1080.313483][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1080.325717][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1080.334107][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1080.341623][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1080.350058][ T6554] device veth0_vlan entered promiscuous mode [ 1080.358691][ T6554] device veth1_vlan entered promiscuous mode [ 1080.370054][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1080.378295][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1080.386314][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1080.395928][ T6554] device veth0_macvtap entered promiscuous mode [ 1080.403692][ T6554] device veth1_macvtap entered promiscuous mode [ 1080.414991][ T6554] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1080.423690][ T6554] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1080.431326][ T6886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1080.440013][ T6886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1080.448764][ T6886] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1080.457892][ T6554] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1080.466912][ T6554] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1080.476314][ T6554] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1080.485189][ T6554] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1080.510271][ T156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1080.524333][ T156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1080.532857][ T6558] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1080.537869][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1080.542880][ T6558] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1080.556176][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1080.579327][ T6910] syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) [ 1081.783836][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 1083.863674][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 1085.943872][ T25] Bluetooth: hci0: command 0x040f tx timeout 2021/09/29 04:31:06 executed programs: 1 [ 1087.336108][ T6933] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1088.023168][ T25] Bluetooth: hci0: command 0x0419 tx timeout BUG: memory leak unreferenced object 0xffff88810efa2b00 (size 232): comm "sshd", pid 6505, jiffies 4294940801 (age 1058.430s) hex dump (first 32 bytes): e0 44 3d 10 81 88 ff ff e0 44 3d 10 81 88 ff ff .D=......D=..... 00 40 1d 14 81 88 ff ff 00 00 00 00 00 00 00 00 .@.............. backtrace: [] __alloc_skb+0x20f/0x280 [] __tcp_send_ack.part.0+0x3a/0x1e0 [] tcp_send_ack+0x32/0x40 [] tcp_cleanup_rbuf+0x1cc/0x220 [] tcp_recvmsg_locked+0x409/0x1010 [] tcp_recvmsg+0xa8/0x310 [] inet_recvmsg+0x84/0x190 [] sock_read_iter+0x15f/0x1b0 [] new_sync_read+0x2b1/0x2f0 [] vfs_read+0x1ba/0x2b0 [] ksys_read+0x12b/0x160 [] do_syscall_64+0x35/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae