[ 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 '10.128.0.39' (ECDSA) to the list of known hosts. syzkaller login: [ 109.553101][ T26] audit: type=1400 audit(1596165065.121:8): avc: denied { execmem } for pid=6447 comm="syz-executor267" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 116.764574][ T6448] IPVS: ftp: loaded support on port[0] = 21 [ 116.793243][ T6448] chnl_net:caif_netlink_parms(): no params data found [ 116.819069][ T6448] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.826249][ T6448] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.833817][ T6448] device bridge_slave_0 entered promiscuous mode [ 116.840894][ T6448] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.847906][ T6448] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.855197][ T6448] device bridge_slave_1 entered promiscuous mode [ 116.865251][ T6448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 116.874985][ T6448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 116.887172][ T6448] team0: Port device team_slave_0 added [ 116.893250][ T6448] team0: Port device team_slave_1 added [ 116.906463][ T6448] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 116.913413][ T6448] 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. [ 116.939421][ T6448] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 116.950771][ T6448] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 116.958042][ T6448] 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. [ 116.985076][ T6448] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.010830][ T6448] device hsr_slave_0 entered promiscuous mode [ 117.090241][ T6448] device hsr_slave_1 entered promiscuous mode [ 117.160972][ T6448] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 117.221008][ T6448] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 117.260946][ T6448] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 117.320927][ T6448] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 117.395115][ T6448] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.402153][ T6448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.409339][ T6448] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.416380][ T6448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.433556][ T6448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 117.443592][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 117.452204][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.459422][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.467207][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 117.476013][ T6448] 8021q: adding VLAN 0 to HW filter on device team0 [ 117.483962][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 117.493209][ T2488] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.500241][ T2488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.508661][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 117.516900][ T2897] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.523966][ T2897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.534879][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 117.543215][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 117.553050][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 117.564145][ T6448] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 117.574740][ T6448] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 117.585724][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 117.594047][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 117.602338][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 117.612579][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 117.619879][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 117.628987][ T6448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.639488][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 117.651280][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 117.659101][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 117.667862][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 117.676170][ T6448] device veth0_vlan entered promiscuous mode [ 117.684303][ T6448] device veth1_vlan entered promiscuous mode [ 117.695147][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 117.703100][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 117.712020][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 117.722871][ T6448] device veth0_macvtap entered promiscuous mode [ 117.730696][ T6448] device veth1_macvtap entered promiscuous mode executing program [ 117.740715][ T6448] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.747949][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 117.756752][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 117.766277][ T6448] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.773741][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 124.572190][ T6448] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffffc90001155000 (size 69632): comm "syz-executor267", pid 6669, jiffies 4294949058 (age 13.310s) hex dump (first 32 bytes): 80 fd 55 04 00 ea ff ff c0 fd 55 04 00 ea ff ff ..U.......U..... 00 fe 55 04 00 ea ff ff 40 fe 55 04 00 ea ff ff ..U.....@.U..... backtrace: [<00000000fe932c92>] __vmalloc_node_range+0x2e1/0x3c0 [<00000000b9b2e3f4>] vmalloc_node+0x4b/0x60 [<00000000971569d5>] ringbuf_map_alloc+0x32b/0x350 [<00000000e2bf4ec9>] __do_sys_bpf+0x4f9/0x2350 [<000000002be1c986>] do_syscall_64+0x4c/0xe0 [<00000000780ae31d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9