[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. 2021/05/26 00:37:00 parsed 1 programs 2021/05/26 00:37:00 executed programs: 0 syzkaller login: [ 1087.172457] IPVS: ftp: loaded support on port[0] = 21 [ 1087.288955] chnl_net:caif_netlink_parms(): no params data found [ 1087.400078] bridge0: port 1(bridge_slave_0) entered blocking state [ 1087.406704] bridge0: port 1(bridge_slave_0) entered disabled state [ 1087.413789] device bridge_slave_0 entered promiscuous mode [ 1087.420983] bridge0: port 2(bridge_slave_1) entered blocking state [ 1087.427586] bridge0: port 2(bridge_slave_1) entered disabled state [ 1087.434827] device bridge_slave_1 entered promiscuous mode [ 1087.453522] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1087.462538] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1087.482769] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1087.490272] team0: Port device team_slave_0 added [ 1087.496712] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1087.504259] team0: Port device team_slave_1 added [ 1087.520842] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1087.527273] 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. [ 1087.553071] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1087.565037] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1087.571282] 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. [ 1087.596531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1087.607151] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1087.615006] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1087.635605] device hsr_slave_0 entered promiscuous mode [ 1087.641275] device hsr_slave_1 entered promiscuous mode [ 1087.648789] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1087.656040] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1087.727591] bridge0: port 2(bridge_slave_1) entered blocking state [ 1087.734046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1087.740746] bridge0: port 1(bridge_slave_0) entered blocking state [ 1087.747181] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1087.780699] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1087.788073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1087.797216] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1087.806730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1087.816331] bridge0: port 1(bridge_slave_0) entered disabled state [ 1087.823296] bridge0: port 2(bridge_slave_1) entered disabled state [ 1087.830925] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1087.842030] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1087.848973] 8021q: adding VLAN 0 to HW filter on device team0 [ 1087.858492] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1087.866273] bridge0: port 1(bridge_slave_0) entered blocking state [ 1087.872651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1087.883218] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1087.891298] bridge0: port 2(bridge_slave_1) entered blocking state [ 1087.897691] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1087.915654] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1087.923628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1087.933157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1087.943205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1087.954015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1087.962786] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1087.969330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1087.982199] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1087.994371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1088.000730] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1088.008075] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1088.021306] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1088.031830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1088.071975] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1088.079202] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1088.086893] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1088.096759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1088.105487] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1088.112375] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1088.122322] device veth0_vlan entered promiscuous mode [ 1088.131514] device veth1_vlan entered promiscuous mode [ 1088.137733] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1088.147424] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1088.159485] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1088.169670] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1088.177441] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1088.185549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1088.195547] device veth0_macvtap entered promiscuous mode [ 1088.201766] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1088.211619] device veth1_macvtap entered promiscuous mode [ 1088.220820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1088.230066] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1088.240662] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1088.247969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1088.256348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1088.267999] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1088.275088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1088.398408] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1088.405555] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1088.412718] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1088.420708] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1088.449853] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1088.457086] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1088.465375] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1088.472508] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1088.501219] gre0: Master is either lo or non-ether device [ 1088.560366] ip_vti0: Master is either lo or non-ether device [ 1088.587611] ip6_vti0: Master is either lo or non-ether device [ 1088.606538] sit0: Master is either lo or non-ether device [ 1088.631373] ip6tnl0: Master is either lo or non-ether device [ 1088.651600] ip6gre0: Master is either lo or non-ether device [ 1088.882115] syz-executor.0 (8427) used greatest stack depth: 22528 bytes left [ 1089.204981] Bluetooth: hci0: command 0x0409 tx timeout [ 1089.220964] vcan0: Master is either lo or non-ether device [ 1089.476238] nlmon0: Master is either lo or non-ether device [ 1089.694425] caif0: Master is either lo or non-ether device [ 1089.817196] vxcan0: Master is either lo or non-ether device [ 1090.040226] vxcan1: Master is either lo or non-ether device [ 1091.008861] xfrm0: Master is either lo or non-ether device 2021/05/26 00:37:05 executed programs: 24 [ 1091.372652] bridge0: port 1(bridge_slave_0) entered disabled state [ 1091.374443] Bluetooth: hci0: command 0x041b tx timeout [ 1091.404111] bridge_slave_0: Device is already in use. [ 1091.582749] bridge0: port 1(bridge_slave_0) entered disabled state [ 1091.590317] device bridge_slave_0 left promiscuous mode [ 1091.596732] bridge0: port 1(bridge_slave_0) entered disabled state [ 1091.930311] bridge0: port 2(bridge_slave_1) entered disabled state [ 1091.956921] bridge_slave_1: Device is already in use. [ 1092.129783] bridge0: port 2(bridge_slave_1) entered disabled state [ 1092.138288] device bridge_slave_1 left promiscuous mode [ 1092.143898] bridge0: port 2(bridge_slave_1) entered disabled state [ 1092.529472] bond_slave_0: Device is already in use. [ 1092.617976] bond0: Releasing backup interface bond_slave_0 [ 1092.964933] bond_slave_1: Device is already in use. [ 1093.094931] bond0: Releasing backup interface bond_slave_1 [ 1093.423276] team_slave_0: Device is already in use. [ 1093.444067] Bluetooth: hci0: command 0x040f tx timeout [ 1093.619270] team0: Port device team_slave_0 removed [ 1093.934486] team_slave_1: Device is already in use. [ 1094.134802] team0: Port device team_slave_1 removed [ 1094.500167] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1094.511578] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1094.522208] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1094.704698] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1095.020598] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1095.050574] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1095.068550] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1095.269010] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1095.523804] Bluetooth: hci0: command 0x0419 tx timeout [ 1095.580425] hsr_slave_0: Device is already in use. [ 1095.787843] device hsr_slave_0 left promiscuous mode [ 1096.103812] hsr_slave_1: Device is already in use. 2021/05/26 00:37:10 executed programs: 44 [ 1096.271735] device hsr_slave_1 left promiscuous mode [ 1096.897788] veth1_vlan: Device is already in use. [ 1097.157361] ------------[ cut here ]------------ [ 1097.162559] WARNING: CPU: 0 PID: 8815 at drivers/net/ipvlan/ipvlan_main.c:65 ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.173317] Kernel panic - not syncing: panic_on_warn set ... [ 1097.173317] [ 1097.180685] CPU: 0 PID: 8815 Comm: syz-executor.0 Not tainted 4.19.191-syzkaller #0 [ 1097.188459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1097.197800] Call Trace: [ 1097.200398] dump_stack+0x1fc/0x2ef [ 1097.204019] panic+0x26a/0x50e [ 1097.207201] ? __warn_printk+0xf3/0xf3 [ 1097.211080] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.216444] ? __probe_kernel_read+0x130/0x1b0 [ 1097.221023] ? __warn.cold+0x5/0x5a [ 1097.224691] ? __warn+0xe4/0x200 [ 1097.228069] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.233420] __warn.cold+0x20/0x5a [ 1097.236950] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.242302] report_bug+0x262/0x2b0 [ 1097.245950] do_error_trap+0x1d7/0x310 [ 1097.249841] ? math_error+0x310/0x310 [ 1097.253652] ? __irq_work_queue_local+0x101/0x160 [ 1097.258479] ? irq_work_queue+0x29/0x80 [ 1097.262441] ? error_entry+0x72/0xd0 [ 1097.266165] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1097.271201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1097.276040] invalid_op+0x14/0x20 [ 1097.279487] RIP: 0010:ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.285442] Code: c6 08 0f b7 f6 e8 e8 d0 f2 ff e9 da aa 43 fc 4c 89 e7 e8 42 78 98 f9 eb d6 e8 8b b4 62 f9 48 c7 c7 e0 81 da 88 e8 c8 d0 f2 ff <0f> 0b e9 3b d6 43 fc e8 73 b4 62 f9 48 c7 c7 a0 9f da 88 e8 b0 d0 [ 1097.304374] RSP: 0018:ffff88809a8d6ff8 EFLAGS: 00010286 [ 1097.309734] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 1097.317009] RDX: 0000000000000000 RSI: ffffffff814df3b1 RDI: ffffed101351adf1 [ 1097.324289] RBP: ffff8880afe50040 R08: 0000000000000024 R09: 0000000000000000 [ 1097.331560] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aab9fd00 [ 1097.338838] R13: ffff8880aa5636c0 R14: 0000000000000000 R15: 0000000000000001 [ 1097.346103] ? vprintk_func+0x81/0x180 [ 1097.350038] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1097.355458] ipvlan_set_port_mode+0x53a/0x650 [ 1097.359945] ipvlan_link_new+0x68d/0xc40 [ 1097.364015] ? ipvlan_add_addr+0x320/0x320 [ 1097.368277] rtnl_newlink+0x1030/0x15c0 [ 1097.372256] ? rtnl_getlink+0x620/0x620 [ 1097.376218] ? check_preemption_disabled+0x41/0x280 [ 1097.381223] ? __lock_acquire+0x6de/0x3ff0 [ 1097.385448] ? trace_hardirqs_off+0x64/0x200 [ 1097.389844] ? load_balance+0xc03/0x2080 [ 1097.393914] ? mark_held_locks+0xf0/0xf0 [ 1097.397970] ? __lock_acquire+0x6de/0x3ff0 [ 1097.402202] ? mark_held_locks+0xf0/0xf0 [ 1097.406252] ? __lock_acquire+0x6de/0x3ff0 [ 1097.410476] ? mark_held_locks+0xf0/0xf0 [ 1097.414544] ? _raw_spin_unlock_irq+0x24/0x80 [ 1097.419023] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1097.423589] ? _raw_spin_unlock_irq+0x5a/0x80 [ 1097.428081] ? finish_task_switch+0x146/0x760 [ 1097.432645] ? finish_task_switch+0x118/0x760 [ 1097.437142] ? __mutex_add_waiter+0x160/0x160 [ 1097.441623] ? rtnetlink_rcv_msg+0x360/0xb80 [ 1097.446036] ? rtnl_getlink+0x620/0x620 [ 1097.449996] rtnetlink_rcv_msg+0x453/0xb80 [ 1097.454216] ? rtnl_calcit.isra.0+0x430/0x430 [ 1097.458710] ? __netlink_lookup+0x3fc/0x730 [ 1097.463017] ? lock_downgrade+0x720/0x720 [ 1097.467174] ? check_preemption_disabled+0x41/0x280 [ 1097.472174] netlink_rcv_skb+0x160/0x440 [ 1097.476232] ? rtnl_calcit.isra.0+0x430/0x430 [ 1097.480734] ? netlink_ack+0xae0/0xae0 [ 1097.484637] netlink_unicast+0x4d5/0x690 [ 1097.488685] ? netlink_sendskb+0x110/0x110 [ 1097.492920] ? _copy_from_iter_full+0x229/0x7c0 [ 1097.497573] ? __phys_addr_symbol+0x2c/0x70 [ 1097.501880] ? __check_object_size+0x17b/0x3e0 [ 1097.506465] netlink_sendmsg+0x6bb/0xc40 [ 1097.511209] ? aa_af_perm+0x230/0x230 [ 1097.514994] ? nlmsg_notify+0x1a0/0x1a0 [ 1097.518952] ? kernel_recvmsg+0x220/0x220 [ 1097.523087] ? nlmsg_notify+0x1a0/0x1a0 [ 1097.527055] sock_sendmsg+0xc3/0x120 [ 1097.530766] ___sys_sendmsg+0x7bb/0x8e0 [ 1097.534726] ? mark_held_locks+0xf0/0xf0 [ 1097.538772] ? copy_msghdr_from_user+0x440/0x440 [ 1097.543513] ? do_futex+0x171/0x1880 [ 1097.547214] ? __might_fault+0x11f/0x1d0 [ 1097.551261] ? lock_downgrade+0x720/0x720 [ 1097.555399] ? lock_acquire+0x170/0x3c0 [ 1097.559360] ? futex_exit_release+0x220/0x220 [ 1097.563846] ? __might_fault+0x192/0x1d0 [ 1097.567893] ? _copy_to_user+0xb8/0x100 [ 1097.571868] ? move_addr_to_user+0x190/0x1d0 [ 1097.576276] ? __fdget+0x1a0/0x230 [ 1097.579838] __x64_sys_sendmsg+0x132/0x220 [ 1097.584074] ? __sys_sendmsg+0x1b0/0x1b0 [ 1097.588140] ? __se_sys_futex+0x298/0x3b0 [ 1097.592305] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1097.597679] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1097.602694] ? do_syscall_64+0x21/0x620 [ 1097.606671] do_syscall_64+0xf9/0x620 [ 1097.610486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1097.615689] RIP: 0033:0x4665d9 [ 1097.618873] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1097.637801] RSP: 002b:00007ffef6143068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1097.645491] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1097.652745] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 1097.659997] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1097.667250] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1097.674511] R13: 00007ffef6143200 R14: 000000000056bf80 R15: 000000000010bdc8 [ 1097.682558] Kernel Offset: disabled [ 1097.686189] Rebooting in 86400 seconds..