[ 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 '10.128.0.252' (ECDSA) to the list of known hosts. 2020/07/28 09:31:56 parsed 1 programs syzkaller login: [ 155.723722][ T3643] kmemleak: Automatic memory scanning thread ended 2020/07/28 09:32:04 executed programs: 0 [ 163.027397][ T26] audit: type=1400 audit(1595928724.085:8): avc: denied { execmem } for pid=6446 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 163.034271][ T6447] IPVS: ftp: loaded support on port[0] = 21 [ 163.071901][ T6447] chnl_net:caif_netlink_parms(): no params data found [ 163.131035][ T6447] bridge0: port 1(bridge_slave_0) entered blocking state [ 163.138088][ T6447] bridge0: port 1(bridge_slave_0) entered disabled state [ 163.145256][ T6447] device bridge_slave_0 entered promiscuous mode [ 163.152248][ T6447] bridge0: port 2(bridge_slave_1) entered blocking state [ 163.159581][ T6447] bridge0: port 2(bridge_slave_1) entered disabled state [ 163.167008][ T6447] device bridge_slave_1 entered promiscuous mode [ 163.176257][ T6447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 163.185915][ T6447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 163.197793][ T6447] team0: Port device team_slave_0 added [ 163.203706][ T6447] team0: Port device team_slave_1 added [ 163.211960][ T6447] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 163.219045][ T6447] 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. [ 163.245061][ T6447] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 163.255980][ T6447] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 163.263020][ T6447] 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. [ 163.288977][ T6447] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 163.327392][ T6447] device hsr_slave_0 entered promiscuous mode [ 163.366786][ T6447] device hsr_slave_1 entered promiscuous mode [ 163.417450][ T6447] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 163.457502][ T6447] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 163.497312][ T6447] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 163.557344][ T6447] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 163.621404][ T6447] bridge0: port 2(bridge_slave_1) entered blocking state [ 163.628464][ T6447] bridge0: port 2(bridge_slave_1) entered forwarding state [ 163.635657][ T6447] bridge0: port 1(bridge_slave_0) entered blocking state [ 163.642683][ T6447] bridge0: port 1(bridge_slave_0) entered forwarding state [ 163.658945][ T6447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 163.667354][ T3414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 163.674757][ T3414] bridge0: port 1(bridge_slave_0) entered disabled state [ 163.682239][ T3414] bridge0: port 2(bridge_slave_1) entered disabled state [ 163.690212][ T3414] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 163.698968][ T6447] 8021q: adding VLAN 0 to HW filter on device team0 [ 163.706899][ T3682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 163.714971][ T3682] bridge0: port 1(bridge_slave_0) entered blocking state [ 163.721993][ T3682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 163.730383][ T3414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 163.738732][ T3414] bridge0: port 2(bridge_slave_1) entered blocking state [ 163.745739][ T3414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 163.759052][ T6447] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 163.769644][ T6447] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 163.781011][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 163.789182][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 163.797510][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 163.805398][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 163.813564][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 163.821029][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 163.832387][ T6447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 163.839596][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 163.847119][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 163.860764][ T6447] device veth0_vlan entered promiscuous mode [ 163.867138][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 163.875338][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 163.883568][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 163.891051][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 163.899878][ T6447] device veth1_vlan entered promiscuous mode [ 163.910051][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 163.917786][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 163.925392][ T2492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 163.934450][ T6447] device veth0_macvtap entered promiscuous mode [ 163.941640][ T6447] device veth1_macvtap entered promiscuous mode [ 163.951002][ T6447] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 163.958240][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 163.967092][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 163.975787][ T6447] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 163.983563][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/07/28 09:32:10 executed programs: 1 [ 170.741582][ T6683] kmemleak: 61 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 173.556546][ T0] NOHZ: local_softirq_pending 08 [ 177.124795][ T6683] kmemleak: 121 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888115da4400 (size 256): comm "syz-executor.0", pid 6671, jiffies 4294953671 (age 13.180s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000008a8a0f4>] tcindex_set_parms+0xa3/0x9d0 [<00000000a8e7793d>] tcindex_change+0xcf/0x110 [<00000000fe0b8e85>] tc_new_tfilter+0x8b0/0xe30 [<00000000a3d69979>] rtnetlink_rcv_msg+0x364/0x460 [<00000000bf893ebe>] netlink_rcv_skb+0x5b/0x180 [<00000000920762ea>] netlink_unicast+0x2b6/0x3c0 [<000000000417cb3c>] netlink_sendmsg+0x2ba/0x570 [<0000000059f6251c>] sock_sendmsg+0x4c/0x60 [<0000000094f1b595>] ____sys_sendmsg+0x118/0x2f0 [<000000009c1d7b28>] ___sys_sendmsg+0x81/0xc0 [<000000001ab5b45c>] __sys_sendmmsg+0xda/0x230 [<000000001eeece98>] __x64_sys_sendmmsg+0x24/0x30 [<00000000bf804dc1>] do_syscall_64+0x4c/0xe0 [<0000000068dd0365>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881141b6400 (size 256): comm "syz-executor.0", pid 6671, jiffies 4294953671 (age 13.180s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cdb691de>] tcindex_alloc_perfect_hash+0x88/0x110 [<0000000063887d2e>] tcindex_set_parms+0x8b0/0x9d0 [<00000000a8e7793d>] tcindex_change+0xcf/0x110 [<00000000fe0b8e85>] tc_new_tfilter+0x8b0/0xe30 [<00000000a3d69979>] rtnetlink_rcv_msg+0x364/0x460 [<00000000bf893ebe>] netlink_rcv_skb+0x5b/0x180 [<00000000920762ea>] netlink_unicast+0x2b6/0x3c0 [<000000000417cb3c>] netlink_sendmsg+0x2ba/0x570 [<0000000059f6251c>] sock_sendmsg+0x4c/0x60 [<0000000094f1b595>] ____sys_sendmsg+0x118/0x2f0 [<000000009c1d7b28>] ___sys_sendmsg+0x81/0xc0 [<000000001ab5b45c>] __sys_sendmmsg+0xda/0x230 [<000000001eeece98>] __x64_sys_sendmmsg+0x24/0x30 [<00000000bf804dc1>] do_syscall_64+0x4c/0xe0 [<0000000068dd0365>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881141bad00 (size 256): comm "syz-executor.0", pid 6671, jiffies 4294953671 (age 13.180s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cdb691de>] tcindex_alloc_perfect_hash+0x88/0x110 [<0000000063887d2e>] tcindex_set_parms+0x8b0/0x9d0 [<00000000a8e7793d>] tcindex_change+0xcf/0x110 [<00000000fe0b8e85>] tc_new_tfilter+0x8b0/0xe30 [<00000000a3d69979>] rtnetlink_rcv_msg+0x364/0x460 [<00000000bf893ebe>] netlink_rcv_skb+0x5b/0x180 [<00000000920762ea>] netlink_unicast+0x2b6/0x3c0 [<000000000417cb3c>] netlink_sendmsg+0x2ba/0x570 [<0000000059f6251c>] sock_sendmsg+0x4c/0x60 [<0000000094f1b595>] ____sys_sendmsg+0x118/0x2f0 [<000000009c1d7b28>] ___sys_sendmsg+0x81/0xc0 [<000000001ab5b45c>] __sys_sendmmsg+0xda/0x230 [<000000001eeece98>] __x64_sys_sendmmsg+0x24/0x30 [<00000000bf804dc1>] do_syscall_64+0x4c/0xe0 [<0000000068dd0365>] entry_SYSCALL_64_after_hwframe+0x44/0xa9