[ 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 '10.128.10.44' (ECDSA) to the list of known hosts. 2020/09/05 14:48:16 parsed 1 programs syzkaller login: [ 560.023104][ T3671] kmemleak: Automatic memory scanning thread ended 2020/09/05 14:48:23 executed programs: 0 [ 567.321223][ T24] audit: type=1400 audit(1599317303.830:8): avc: denied { execmem } for pid=6496 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 568.401070][ T6497] IPVS: ftp: loaded support on port[0] = 21 [ 568.471552][ T6497] chnl_net:caif_netlink_parms(): no params data found [ 568.562763][ T6497] bridge0: port 1(bridge_slave_0) entered blocking state [ 568.569810][ T6497] bridge0: port 1(bridge_slave_0) entered disabled state [ 568.577221][ T6497] device bridge_slave_0 entered promiscuous mode [ 568.584095][ T6497] bridge0: port 2(bridge_slave_1) entered blocking state [ 568.591307][ T6497] bridge0: port 2(bridge_slave_1) entered disabled state [ 568.598524][ T6497] device bridge_slave_1 entered promiscuous mode [ 568.608603][ T6497] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 568.618475][ T6497] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 568.630797][ T6497] team0: Port device team_slave_0 added [ 568.637021][ T6497] team0: Port device team_slave_1 added [ 568.645715][ T6497] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 568.652884][ T6497] 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. [ 568.678990][ T6497] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 568.690040][ T6497] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 568.697103][ T6497] 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. [ 568.723095][ T6497] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 568.737845][ T6497] device hsr_slave_0 entered promiscuous mode [ 568.744212][ T6497] device hsr_slave_1 entered promiscuous mode [ 568.770359][ T6497] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 568.777740][ T6497] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 568.787385][ T6497] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 568.795387][ T6497] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 568.807045][ T6497] bridge0: port 2(bridge_slave_1) entered blocking state [ 568.814687][ T6497] bridge0: port 2(bridge_slave_1) entered forwarding state [ 568.821900][ T6497] bridge0: port 1(bridge_slave_0) entered blocking state [ 568.828888][ T6497] bridge0: port 1(bridge_slave_0) entered forwarding state [ 568.845288][ T6497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 568.853962][ T6713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 568.861953][ T6713] bridge0: port 1(bridge_slave_0) entered disabled state [ 568.869046][ T6713] bridge0: port 2(bridge_slave_1) entered disabled state [ 568.876596][ T6713] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 568.885031][ T6497] 8021q: adding VLAN 0 to HW filter on device team0 [ 568.892903][ T3746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 568.901121][ T3746] bridge0: port 1(bridge_slave_0) entered blocking state [ 568.908122][ T3746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 568.922029][ T6497] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 568.932370][ T6497] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 568.943478][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 568.952046][ T6715] bridge0: port 2(bridge_slave_1) entered blocking state [ 568.959049][ T6715] bridge0: port 2(bridge_slave_1) entered forwarding state [ 568.966657][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 568.975043][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 568.983071][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 568.990936][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 569.002647][ T6497] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 569.011037][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 569.018348][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 569.025999][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 569.033282][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 569.042570][ T6475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 569.054359][ T6497] device veth0_vlan entered promiscuous mode [ 569.061253][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 569.069106][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 569.076642][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 569.085139][ T6497] device veth1_vlan entered promiscuous mode [ 569.095420][ T6475] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 569.103253][ T6475] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 569.110864][ T6475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 569.119951][ T6497] device veth0_macvtap entered promiscuous mode [ 569.127105][ T6497] device veth1_macvtap entered promiscuous mode [ 569.136438][ T6497] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 569.143858][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 569.152354][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 569.160869][ T6497] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 569.168602][ T6715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 569.178072][ T6497] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.187446][ T6497] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.196848][ T6497] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 569.206310][ T6497] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 570.471065][ T6475] Bluetooth: hci0: command 0x0409 tx timeout [ 572.550708][ T6475] Bluetooth: hci0: command 0x041b tx timeout 2020/09/05 14:48:31 executed programs: 1 [ 574.640526][ T6475] Bluetooth: hci0: command 0x040f tx timeout [ 576.710281][ T6715] Bluetooth: hci0: command 0x0419 tx timeout 2020/09/05 14:48:36 executed programs: 3 2020/09/05 14:48:42 executed programs: 5 2020/09/05 14:48:47 executed programs: 7 2020/09/05 14:48:53 executed programs: 9 [ 597.747342][ T6814] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114c5fc00 (size 224): comm "syz-executor.0", pid 6791, jiffies 4294996396 (age 12.950s) hex dump (first 32 bytes): a0 64 75 1a 81 88 ff ff a0 64 75 1a 81 88 ff ff .du......du..... 00 c0 e2 12 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f240c74c>] __build_skb+0x1f/0x100 [<0000000091a9ebab>] __napi_alloc_skb+0xe5/0x140 [<0000000020b9b8a2>] napi_get_frags+0x3a/0x70 [<00000000675c561b>] tun_get_user+0xa43/0x1660 [<000000002234de42>] tun_chr_write_iter+0x66/0xa0 [<0000000019729489>] do_iter_readv_writev+0x207/0x2d0 [<0000000014f980ab>] do_iter_write+0xac/0x230 [<00000000cedf4293>] vfs_writev+0xc1/0x120 [<00000000d6fb76a1>] do_writev+0x83/0x170 [<0000000019a77900>] do_syscall_64+0x2d/0x70 [<00000000e82ba28d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9