[ 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 '10.128.1.124' (ECDSA) to the list of known hosts. 2021/05/30 13:46:33 parsed 1 programs 2021/05/30 13:46:33 executed programs: 0 syzkaller login: [ 1083.123126] IPVS: ftp: loaded support on port[0] = 21 [ 1083.220478] chnl_net:caif_netlink_parms(): no params data found [ 1083.328324] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.335367] bridge0: port 1(bridge_slave_0) entered disabled state [ 1083.342764] device bridge_slave_0 entered promiscuous mode [ 1083.350489] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.357049] bridge0: port 2(bridge_slave_1) entered disabled state [ 1083.363921] device bridge_slave_1 entered promiscuous mode [ 1083.379870] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1083.388551] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1083.405025] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1083.412512] team0: Port device team_slave_0 added [ 1083.418665] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1083.425877] team0: Port device team_slave_1 added [ 1083.439689] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1083.445961] 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. [ 1083.471732] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1083.483160] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1083.489498] 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. [ 1083.514722] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1083.525524] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1083.532821] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1083.551186] device hsr_slave_0 entered promiscuous mode [ 1083.556894] device hsr_slave_1 entered promiscuous mode [ 1083.562803] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1083.570118] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1083.628673] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.635281] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1083.642003] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.648390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1083.676886] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1083.682962] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1083.690909] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1083.700198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1083.708605] bridge0: port 1(bridge_slave_0) entered disabled state [ 1083.715839] bridge0: port 2(bridge_slave_1) entered disabled state [ 1083.722712] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1083.732803] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1083.739188] 8021q: adding VLAN 0 to HW filter on device team0 [ 1083.748308] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1083.756091] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.762430] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1083.771146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1083.779275] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.785687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1083.800098] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1083.807711] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1083.822053] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1083.832360] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1083.843156] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1083.849918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1083.857962] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1083.865673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1083.873227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1083.884281] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1083.892484] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1083.899205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1083.908834] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1083.919882] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1083.929286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1083.959513] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1083.966909] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1083.973335] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1083.983318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1083.991093] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1083.998920] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1084.007889] device veth0_vlan entered promiscuous mode [ 1084.016494] device veth1_vlan entered promiscuous mode [ 1084.022266] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1084.030912] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1084.041250] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1084.050507] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1084.058025] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1084.065759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1084.074626] device veth0_macvtap entered promiscuous mode [ 1084.080625] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1084.088881] device veth1_macvtap entered promiscuous mode [ 1084.097827] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1084.106559] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1084.117026] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1084.123698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1084.132396] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1084.141343] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1084.148799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1084.242903] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1084.250423] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1084.263532] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1084.271922] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1084.281688] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1084.289272] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1084.297161] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1084.304055] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1084.327456] gre0: Master is either lo or non-ether device [ 1084.377832] ip_vti0: Master is either lo or non-ether device [ 1084.398013] ip6_vti0: Master is either lo or non-ether device [ 1084.414075] sit0: Master is either lo or non-ether device [ 1084.429950] ip6tnl0: Master is either lo or non-ether device [ 1084.446180] ip6gre0: Master is either lo or non-ether device [ 1084.652863] syz-executor.0 (8437) used greatest stack depth: 23640 bytes left [ 1084.911299] vcan0: Master is either lo or non-ether device [ 1085.133570] nlmon0: Master is either lo or non-ether device [ 1085.168295] Bluetooth: hci0: command 0x0409 tx timeout [ 1085.310074] caif0: Master is either lo or non-ether device [ 1085.423445] vxcan0: Master is either lo or non-ether device [ 1085.589964] vxcan1: Master is either lo or non-ether device [ 1086.439773] xfrm0: Master is either lo or non-ether device [ 1086.736441] bridge0: port 1(bridge_slave_0) entered disabled state [ 1086.754842] bridge_slave_0: Device is already in use. [ 1086.890372] bridge0: port 1(bridge_slave_0) entered disabled state [ 1086.898375] device bridge_slave_0 left promiscuous mode [ 1086.904126] bridge0: port 1(bridge_slave_0) entered disabled state 2021/05/30 13:46:38 executed programs: 27 [ 1087.187709] bridge0: port 2(bridge_slave_1) entered disabled state [ 1087.195662] bridge_slave_1: Device is already in use. [ 1087.254525] Bluetooth: hci0: command 0x041b tx timeout [ 1087.301257] bridge0: port 2(bridge_slave_1) entered disabled state [ 1087.308835] device bridge_slave_1 left promiscuous mode [ 1087.314574] bridge0: port 2(bridge_slave_1) entered disabled state [ 1087.643505] bond_slave_0: Device is already in use. [ 1087.751850] bond0: Releasing backup interface bond_slave_0 [ 1088.033342] bond_slave_1: Device is already in use. [ 1088.137699] bond0: Releasing backup interface bond_slave_1 [ 1088.399365] team_slave_0: Device is already in use. [ 1088.541012] team0: Port device team_slave_0 removed [ 1088.810955] team_slave_1: Device is already in use. [ 1088.977375] team0: Port device team_slave_1 removed [ 1089.311671] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1089.322093] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1089.331766] Bluetooth: hci0: command 0x040f tx timeout [ 1089.338576] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1089.485794] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1089.768482] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1089.779143] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1089.794223] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1089.982728] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1090.268972] hsr_slave_0: Device is already in use. [ 1090.406857] device hsr_slave_0 left promiscuous mode [ 1090.696550] hsr_slave_1: Device is already in use. [ 1090.830157] device hsr_slave_1 left promiscuous mode [ 1091.353282] veth1_vlan: Device is already in use. [ 1091.403790] Bluetooth: hci0: command 0x0419 tx timeout [ 1091.593552] ------------[ cut here ]------------ [ 1091.599984] WARNING: CPU: 0 PID: 8834 at drivers/net/ipvlan/ipvlan_main.c:65 ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.610746] Kernel panic - not syncing: panic_on_warn set ... [ 1091.610746] [ 1091.618125] CPU: 0 PID: 8834 Comm: syz-executor.0 Not tainted 4.19.192-syzkaller #0 [ 1091.625949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1091.635298] Call Trace: [ 1091.637908] dump_stack+0x1fc/0x2ef [ 1091.641546] panic+0x26a/0x50e [ 1091.644743] ? __warn_printk+0xf3/0xf3 [ 1091.648639] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.654001] ? __probe_kernel_read+0x130/0x1b0 [ 1091.658599] ? __warn.cold+0x5/0x5a [ 1091.662228] ? __warn+0xe4/0x200 [ 1091.665688] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.671151] __warn.cold+0x20/0x5a [ 1091.674741] ? io_schedule_timeout+0x140/0x140 [ 1091.679305] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.684648] report_bug+0x262/0x2b0 [ 1091.688268] do_error_trap+0x1d7/0x310 [ 1091.692176] ? math_error+0x310/0x310 [ 1091.695960] ? __irq_work_queue_local+0x101/0x160 [ 1091.700793] ? irq_work_queue+0x29/0x80 [ 1091.704844] ? error_entry+0x72/0xd0 [ 1091.708542] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1091.713543] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1091.718378] invalid_op+0x14/0x20 [ 1091.721833] RIP: 0010:ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.727788] Code: c6 08 0f b7 f6 e8 e2 d0 f2 ff e9 d4 ae 43 fc 4c 89 e7 e8 ac 7a 98 f9 eb d6 e8 f5 b6 62 f9 48 c7 c7 e0 81 da 88 e8 c2 d0 f2 ff <0f> 0b e9 35 da 43 fc e8 dd b6 62 f9 48 c7 c7 a0 9f da 88 e8 aa d0 [ 1091.746685] RSP: 0018:ffff8880929deff8 EFLAGS: 00010286 [ 1091.752027] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 1091.759291] RDX: 0000000000000000 RSI: ffffffff814df6b1 RDI: ffffed101253bdf1 [ 1091.766544] RBP: ffff888090ac4040 R08: 0000000000000024 R09: 0000000000000000 [ 1091.773797] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aaf8f380 [ 1091.781056] R13: ffff8880af5c1b40 R14: 0000000000000000 R15: 0000000000000001 [ 1091.788316] ? vprintk_func+0x81/0x180 [ 1091.792201] ? ipvlan_unregister_nf_hook.cold+0x11/0x18 [ 1091.797549] ipvlan_set_port_mode+0x53a/0x650 [ 1091.802030] ipvlan_link_new+0x68d/0xc40 [ 1091.806074] ? ipvlan_add_addr+0x320/0x320 [ 1091.810288] rtnl_newlink+0x1030/0x15c0 [ 1091.814269] ? rtnl_getlink+0x620/0x620 [ 1091.818254] ? get_reg+0x1f0/0x1f0 [ 1091.821775] ? unwind_next_frame+0xeee/0x1400 [ 1091.826251] ? __save_stack_trace+0x72/0x190 [ 1091.830633] ? deref_stack_reg+0x134/0x1d0 [ 1091.834851] ? get_reg+0x176/0x1f0 [ 1091.838366] ? mark_held_locks+0xf0/0xf0 [ 1091.842405] ? unwind_next_frame+0xeee/0x1400 [ 1091.846885] ? __lock_acquire+0x6de/0x3ff0 [ 1091.851117] ? get_reg+0x1f0/0x1f0 [ 1091.854636] ? is_bpf_text_address+0xd5/0x1b0 [ 1091.859108] ? __lock_acquire+0x6de/0x3ff0 [ 1091.863392] ? __lock_acquire+0x6de/0x3ff0 [ 1091.867811] ? __lock_acquire+0x6de/0x3ff0 [ 1091.872053] ? __lock_acquire+0x6de/0x3ff0 [ 1091.876273] ? mark_held_locks+0xf0/0xf0 [ 1091.880331] ? get_reg+0x1f0/0x1f0 [ 1091.883867] ? unwind_next_frame+0xeee/0x1400 [ 1091.888354] ? mutex_trylock+0x1a0/0x1a0 [ 1091.892398] ? rtnetlink_rcv_msg+0x360/0xb80 [ 1091.896793] ? rtnl_getlink+0x620/0x620 [ 1091.900759] rtnetlink_rcv_msg+0x453/0xb80 [ 1091.904981] ? rtnl_calcit.isra.0+0x430/0x430 [ 1091.909453] ? __netlink_lookup+0x3fc/0x730 [ 1091.913762] ? lock_downgrade+0x720/0x720 [ 1091.917918] ? check_preemption_disabled+0x41/0x280 [ 1091.922918] netlink_rcv_skb+0x160/0x440 [ 1091.926962] ? rtnl_calcit.isra.0+0x430/0x430 [ 1091.931463] ? netlink_ack+0xae0/0xae0 [ 1091.935354] netlink_unicast+0x4d5/0x690 [ 1091.939392] ? netlink_sendskb+0x110/0x110 [ 1091.943615] ? _copy_from_iter_full+0x229/0x7c0 [ 1091.948265] ? __phys_addr_symbol+0x2c/0x70 [ 1091.952566] ? __check_object_size+0x17b/0x3e0 [ 1091.957145] netlink_sendmsg+0x6bb/0xc40 [ 1091.961202] ? aa_af_perm+0x230/0x230 [ 1091.964979] ? nlmsg_notify+0x1a0/0x1a0 [ 1091.968931] ? kernel_recvmsg+0x220/0x220 [ 1091.973058] ? nlmsg_notify+0x1a0/0x1a0 [ 1091.977013] sock_sendmsg+0xc3/0x120 [ 1091.980707] ___sys_sendmsg+0x7bb/0x8e0 [ 1091.984657] ? mark_held_locks+0xf0/0xf0 [ 1091.988701] ? copy_msghdr_from_user+0x440/0x440 [ 1091.993455] ? do_futex+0x171/0x1880 [ 1091.997153] ? __might_fault+0x11f/0x1d0 [ 1092.001195] ? lock_downgrade+0x720/0x720 [ 1092.005327] ? lock_acquire+0x170/0x3c0 [ 1092.009294] ? futex_exit_release+0x220/0x220 [ 1092.013787] ? __might_fault+0x192/0x1d0 [ 1092.017866] ? _copy_to_user+0xb8/0x100 [ 1092.021841] ? move_addr_to_user+0x190/0x1d0 [ 1092.026247] ? __fdget+0x1a0/0x230 [ 1092.029763] __x64_sys_sendmsg+0x132/0x220 [ 1092.033980] ? __sys_sendmsg+0x1b0/0x1b0 [ 1092.038027] ? __se_sys_futex+0x298/0x3b0 [ 1092.042419] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1092.047778] ? trace_hardirqs_off_caller+0x6e/0x210 [ 1092.052862] ? do_syscall_64+0x21/0x620 [ 1092.056847] do_syscall_64+0xf9/0x620 [ 1092.060628] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1092.065792] RIP: 0033:0x4665d9 [ 1092.068960] 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 [ 1092.087838] RSP: 002b:00007ffcc53248c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1092.095525] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1092.102785] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 1092.110033] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1092.117281] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1092.124540] R13: 00007ffcc5324a60 R14: 000000000056bf80 R15: 000000000010a85b [ 1092.132782] Kernel Offset: disabled [ 1092.136420] Rebooting in 86400 seconds..