[ 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 '10.128.1.21' (ECDSA) to the list of known hosts. 2020/05/01 15:15:28 parsed 1 programs syzkaller login: [ 142.912722][ T3835] kmemleak: Automatic memory scanning thread ended 2020/05/01 15:15:36 executed programs: 0 [ 150.570634][ T26] audit: type=1400 audit(1588346136.728:8): avc: denied { execmem } for pid=6618 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 150.583321][ T6619] IPVS: ftp: loaded support on port[0] = 21 [ 150.615828][ T6619] chnl_net:caif_netlink_parms(): no params data found [ 150.690741][ T6619] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.698022][ T6619] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.705287][ T6619] device bridge_slave_0 entered promiscuous mode [ 150.712351][ T6619] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.719410][ T6619] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.726693][ T6619] device bridge_slave_1 entered promiscuous mode [ 150.736758][ T6619] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.746495][ T6619] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 150.758813][ T6619] team0: Port device team_slave_0 added [ 150.764930][ T6619] team0: Port device team_slave_1 added [ 150.773547][ T6619] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 150.780567][ T6619] 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. [ 150.806682][ T6619] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 150.817726][ T6619] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 150.824672][ T6619] 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. [ 150.850548][ T6619] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 150.896988][ T6619] device hsr_slave_0 entered promiscuous mode [ 150.976333][ T6619] device hsr_slave_1 entered promiscuous mode [ 151.055966][ T6619] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 151.097265][ T6619] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 151.147034][ T6619] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 151.187015][ T6619] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 151.261156][ T6619] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.268502][ T6619] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.275717][ T6619] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.283355][ T6619] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.299662][ T6619] 8021q: adding VLAN 0 to HW filter on device bond0 [ 151.308853][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 151.316660][ T6822] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.323946][ T6822] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.331964][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 151.340919][ T6619] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.348993][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 151.357416][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.364423][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.378597][ T6619] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 151.389000][ T6619] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 151.400586][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.409182][ T6824] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.416214][ T6824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.423772][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 151.432282][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 151.440340][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.448297][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.456235][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 151.463559][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 151.473807][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 151.481396][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 151.490924][ T6619] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 151.501448][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 151.512900][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 151.521066][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 151.528833][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 151.537353][ T6619] device veth0_vlan entered promiscuous mode [ 151.544987][ T6619] device veth1_vlan entered promiscuous mode [ 151.555426][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 151.563576][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 151.571509][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 151.580721][ T6619] device veth0_macvtap entered promiscuous mode [ 151.588453][ T6619] device veth1_macvtap entered promiscuous mode [ 151.598275][ T6619] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 151.605516][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 151.614370][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 151.623377][ T6619] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 151.631164][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 151.639785][ T6822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/05/01 15:15:43 executed programs: 1 [ 160.775814][ T0] NOHZ: local_softirq_pending 08 2020/05/01 15:15:49 executed programs: 3 2020/05/01 15:15:55 executed programs: 5 2020/05/01 15:16:01 executed programs: 7 2020/05/01 15:16:07 executed programs: 9 2020/05/01 15:16:12 executed programs: 11 2020/05/01 15:16:18 executed programs: 13 [ 193.994113][ T6887] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811343d2c0 (size 2200): comm "syz-executor.0", pid 6880, jiffies 4294955944 (age 14.090s) hex dump (first 32 bytes): ac 14 14 bb ac 14 14 0a 21 11 a0 d7 40 01 00 00 ........!...@... 02 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............ backtrace: [<000000004398d50b>] sk_prot_alloc+0x3c/0x170 [<000000003ff6e82c>] sk_alloc+0x30/0x330 [<000000001408a70b>] inet_create+0x119/0x450 [<000000003d99572e>] __sock_create+0x14a/0x220 [<0000000080783aa6>] __sys_socket+0x60/0x110 [<00000000420d75cf>] __x64_sys_socket+0x1a/0x20 [<00000000cb72b4fe>] do_syscall_64+0x6e/0x220 [<000000008483b28f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811b412c00 (size 512): comm "syz-executor.0", pid 6880, jiffies 4294955944 (age 14.090s) hex dump (first 32 bytes): c0 d2 43 13 81 88 ff ff 00 00 00 00 00 00 00 00 ..C............. 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 ................ backtrace: [<00000000f2d78829>] sk_psock_init+0x2a/0x180 [<0000000070ad82a1>] sock_map_link.isra.0+0x469/0x4f0 [<00000000d27c4c01>] sock_map_update_common+0xa1/0x3c0 [<000000002b0e0e92>] sock_map_update_elem+0x1e9/0x220 [<00000000ba35f4f8>] bpf_map_update_value.isra.0+0x141/0x2f0 [<00000000a90b6a60>] __do_sys_bpf+0x15e0/0x1f60 [<00000000cb72b4fe>] do_syscall_64+0x6e/0x220 [<000000008483b28f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9