Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.202' (ECDSA) to the list of known hosts. 2020/12/28 02:52:51 parsed 1 programs 2020/12/28 02:52:51 executed programs: 0 syzkaller login: [ 30.202271] IPVS: ftp: loaded support on port[0] = 21 [ 30.285412] chnl_net:caif_netlink_parms(): no params data found [ 30.366527] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.374581] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.384881] device bridge_slave_0 entered promiscuous mode [ 30.393709] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.401807] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.410564] device bridge_slave_1 entered promiscuous mode [ 30.430888] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.441156] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.461026] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.468832] team0: Port device team_slave_0 added [ 30.474340] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.483308] team0: Port device team_slave_1 added [ 30.499315] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.505884] 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. [ 30.536421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.550322] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.557772] 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. [ 30.585305] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.598406] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 30.608591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.628613] device hsr_slave_0 entered promiscuous mode [ 30.635969] device hsr_slave_1 entered promiscuous mode [ 30.642752] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 30.651622] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 30.720067] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.727587] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.736492] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.743417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.775314] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 30.784152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.795183] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.805628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.825577] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.834991] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.848220] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 30.855016] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.865854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.875584] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.883927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.895433] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.908296] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.915409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.937231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.946111] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.955134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.964045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.974041] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 30.981674] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 30.990727] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 31.004650] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 31.013008] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 31.020916] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 31.032580] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 31.089825] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 31.101978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 31.138837] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 31.147866] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 31.155382] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 31.166066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 31.174556] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 31.183060] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 31.193293] device veth0_vlan entered promiscuous mode [ 31.203386] device veth1_vlan entered promiscuous mode [ 31.211915] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 31.221668] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 31.233683] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 31.244803] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 31.253129] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 31.263410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 31.272970] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 31.284308] device veth0_macvtap entered promiscuous mode [ 31.298569] device veth1_macvtap entered promiscuous mode [ 31.310297] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 31.323173] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 31.335631] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 31.344366] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 31.354852] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 31.364864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.378307] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 31.387328] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 31.396199] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 31.405249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 31.521183] gre0: Master is either lo or non-ether device [ 31.588915] ip_vti0: Master is either lo or non-ether device [ 31.610680] ip6_vti0: Master is either lo or non-ether device [ 31.629946] sit0: Master is either lo or non-ether device [ 31.648701] ip6tnl0: Master is either lo or non-ether device [ 31.667358] ip6gre0: Master is either lo or non-ether device [ 31.721290] syz-executor.0 (8290) used greatest stack depth: 25000 bytes left [ 31.784951] vcan0: Master is either lo or non-ether device [ 31.912508] nlmon0: Master is either lo or non-ether device [ 31.950118] syz-executor.0 (8330) used greatest stack depth: 24992 bytes left [ 31.963113] caif0: Master is either lo or non-ether device [ 32.007155] syz-executor.0 (8335) used greatest stack depth: 24960 bytes left [ 32.038158] vxcan0: Master is either lo or non-ether device [ 32.130453] vxcan1: Master is either lo or non-ether device [ 32.205929] Bluetooth: hci0 command 0x0409 tx timeout [ 32.319220] syz-executor.0 (8378) used greatest stack depth: 24656 bytes left [ 32.425533] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.449030] bridge_slave_0: Device is already in use. [ 32.465560] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.473710] device bridge_slave_0 left promiscuous mode [ 32.481353] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.592752] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.612154] bridge_slave_1: Device is already in use. [ 32.625801] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.640783] device bridge_slave_1 left promiscuous mode [ 32.647051] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.761722] bond_slave_0: Device is already in use. [ 32.776221] bond0: Releasing backup interface bond_slave_0 [ 32.955795] bond_slave_1: Device is already in use. [ 32.969835] bond0: Releasing backup interface bond_slave_1 [ 33.105324] team_slave_0: Device is already in use. [ 33.121269] team0: Port device team_slave_0 removed [ 33.245826] team_slave_1: Device is already in use. [ 33.259152] team0: Port device team_slave_1 removed [ 33.419692] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 33.430378] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 33.444221] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 33.454515] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 33.604777] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 33.619653] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 33.630391] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 33.642223] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 33.778814] hsr_slave_0: Device is already in use. [ 33.787699] device hsr_slave_0 left promiscuous mode [ 33.902601] hsr_slave_1: Device is already in use. [ 33.910784] device hsr_slave_1 left promiscuous mode 2020/12/28 02:52:56 executed programs: 44 [ 34.123782] veth1_vlan: Device is already in use. [ 34.212882] ------------[ cut here ]------------ [ 34.217714] WARNING: CPU: 0 PID: 8641 at drivers/net/ipvlan/ipvlan_main.c:63 ipvlan_unregister_nf_hook+0x230/0x260 [ 34.228221] Kernel panic - not syncing: panic_on_warn set ... [ 34.228221] [ 34.235619] CPU: 0 PID: 8641 Comm: syz-executor.0 Not tainted 4.14.212-syzkaller #0 [ 34.243530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.252979] Call Trace: [ 34.255564] dump_stack+0x1b2/0x283 [ 34.259198] panic+0x1f9/0x42d [ 34.262397] ? add_taint.cold+0x16/0x16 [ 34.266361] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 34.271462] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 34.276571] __warn.cold+0x20/0x4b [ 34.280104] ? ist_end_non_atomic+0x10/0x10 [ 34.284426] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 34.289517] report_bug+0x208/0x249 [ 34.293149] do_error_trap+0x195/0x2d0 [ 34.297037] ? math_error+0x2d0/0x2d0 [ 34.300823] ? trace_hardirqs_on+0x10/0x10 [ 34.305065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.309914] invalid_op+0x1b/0x40 [ 34.313361] RIP: 0010:ipvlan_unregister_nf_hook+0x230/0x260 [ 34.319066] RSP: 0018:ffff88809d15f3e8 EFLAGS: 00010297 [ 34.324506] RAX: ffff88809d7e8280 RBX: 0000000000000000 RCX: 1ffff11013afd166 [ 34.331773] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000286 [ 34.339040] RBP: ffff8880b53fc040 R08: 0000000000000000 R09: 0000000000000001 [ 34.346446] R10: 0000000000000000 R11: ffff88809d7e8280 R12: ffff8880a9982740 [ 34.353722] R13: ffff8880af446dc0 R14: 0000000000000000 R15: ffff8880af926100 [ 34.361025] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 34.366133] ipvlan_set_port_mode+0x491/0x5a0 [ 34.370616] ipvlan_link_new+0xba2/0xfa0 [ 34.374676] rtnl_newlink+0xf88/0x1830 [ 34.378548] ? __lock_acquire+0x5fc/0x3f20 [ 34.382778] ? ipvlan_port_destroy+0x3f0/0x3f0 [ 34.387342] ? trace_hardirqs_on+0x10/0x10 [ 34.392219] ? rtnl_dellink+0x6a0/0x6a0 [ 34.396188] ? trace_hardirqs_on+0x10/0x10 [ 34.400424] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 34.406309] ? deref_stack_reg+0x124/0x1a0 [ 34.410563] ? lock_acquire+0x170/0x3f0 [ 34.414515] ? lock_downgrade+0x740/0x740 [ 34.418654] ? rtnl_dellink+0x6a0/0x6a0 [ 34.422605] rtnetlink_rcv_msg+0x3be/0xb10 [ 34.426822] ? rtnl_calcit.isra.0+0x3a0/0x3a0 [ 34.431564] ? __netlink_lookup+0x345/0x5d0 [ 34.435868] netlink_rcv_skb+0x125/0x390 [ 34.440888] ? rtnl_calcit.isra.0+0x3a0/0x3a0 [ 34.445379] ? netlink_ack+0x9a0/0x9a0 [ 34.449260] netlink_unicast+0x437/0x610 [ 34.453317] ? netlink_sendskb+0xd0/0xd0 [ 34.457721] ? __check_object_size+0x179/0x22c [ 34.462297] netlink_sendmsg+0x62e/0xb80 [ 34.466608] ? nlmsg_notify+0x170/0x170 [ 34.470586] ? kernel_recvmsg+0x210/0x210 [ 34.474726] ? security_socket_sendmsg+0x83/0xb0 [ 34.479463] ? nlmsg_notify+0x170/0x170 [ 34.483441] sock_sendmsg+0xb5/0x100 [ 34.487138] ___sys_sendmsg+0x6c8/0x800 [ 34.491089] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 34.495831] ? __lock_acquire+0x5fc/0x3f20 [ 34.500060] ? do_futex+0x12b/0x1980 [ 34.503763] ? trace_hardirqs_on+0x10/0x10 [ 34.507992] ? __might_fault+0x104/0x1b0 [ 34.512465] ? trace_hardirqs_on+0x10/0x10 [ 34.516755] ? lock_acquire+0x170/0x3f0 [ 34.520742] ? lock_downgrade+0x740/0x740 [ 34.524980] ? futex_exit_release+0x220/0x220 [ 34.529489] ? __might_fault+0x104/0x1b0 [ 34.533539] ? lock_acquire+0x170/0x3f0 [ 34.537513] ? lock_downgrade+0x740/0x740 [ 34.541660] ? __fdget+0x167/0x1f0 [ 34.545201] ? sockfd_lookup_light+0xb2/0x160 [ 34.549682] __sys_sendmsg+0xa3/0x120 [ 34.553752] ? SyS_shutdown+0x160/0x160 [ 34.557720] ? SyS_clock_gettime+0xf5/0x180 [ 34.562030] ? SyS_clock_settime+0x1a0/0x1a0 [ 34.566443] SyS_sendmsg+0x27/0x40 [ 34.570133] ? __sys_sendmsg+0x120/0x120 [ 34.574912] do_syscall_64+0x1d5/0x640 [ 34.578795] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 34.583992] RIP: 0033:0x45e229 [ 34.587354] RSP: 002b:00007ffd5eb164d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.595113] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e229 [ 34.602474] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 34.609930] RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 34.617189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000ba6 [ 34.625505] R13: 0000000000000000 R14: 0000000000000003 R15: 000000000119bf8c [ 34.633618] Kernel Offset: disabled [ 34.637249] Rebooting in 86400 seconds..