Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. 2020/10/23 17:37:23 parsed 1 programs 2020/10/23 17:37:23 executed programs: 0 syzkaller login: [ 39.502953] IPVS: ftp: loaded support on port[0] = 21 [ 39.610140] chnl_net:caif_netlink_parms(): no params data found [ 39.732719] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.740754] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.749259] device bridge_slave_0 entered promiscuous mode [ 39.757931] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.765311] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.772357] device bridge_slave_1 entered promiscuous mode [ 39.790869] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.800470] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.819753] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.827350] team0: Port device team_slave_0 added [ 39.832913] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.840821] team0: Port device team_slave_1 added [ 39.856926] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.864508] 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. [ 39.890271] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.901903] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.908444] 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. [ 39.933930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.944855] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.953391] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.974693] device hsr_slave_0 entered promiscuous mode [ 39.980870] device hsr_slave_1 entered promiscuous mode [ 39.987567] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.995441] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.066525] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.073047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.079960] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.086380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.118342] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 40.126556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.136310] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.147093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.157030] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.165946] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.173504] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.184748] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.191086] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.201285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.209906] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.216336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.226783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.235282] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.241725] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.266491] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.274867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.283033] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.294549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.306728] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.317794] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.325237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.332549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.347777] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.356141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.364053] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.376066] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.389337] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 40.400423] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.439513] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 40.448166] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 40.456634] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 40.467660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.476049] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.483527] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.492106] device veth0_vlan entered promiscuous mode [ 40.501889] device veth1_vlan entered promiscuous mode [ 40.508469] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 40.517913] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 40.529907] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 40.541323] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.549718] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.558211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.568368] device veth0_macvtap entered promiscuous mode [ 40.575510] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 40.585830] device veth1_macvtap entered promiscuous mode [ 40.596192] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.605869] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 40.617646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 40.628235] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 40.636494] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.643726] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.652075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.667975] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 40.676835] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.685536] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.693823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.816347] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 40.823733] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.839902] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.845615] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 40.855152] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.860296] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.862275] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.876674] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 41.533274] Bluetooth: hci0: command 0x0409 tx timeout [ 42.736378] INFO: trying to register non-static key. [ 42.741605] the code is fine but needs lockdep annotation. [ 42.747233] turning off the locking correctness validator. [ 42.752859] CPU: 0 PID: 8851 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 42.760629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.770182] Call Trace: [ 42.772823] dump_stack+0x1fc/0x2fe [ 42.776440] register_lock_class+0xe76/0x11c0 [ 42.780923] ? static_obj+0x50/0x50 [ 42.784608] __lock_acquire+0x17d/0x3ff0 [ 42.788844] ? mark_held_locks+0xf0/0xf0 [ 42.793864] ? __lock_acquire+0x6de/0x3ff0 [ 42.798082] ? mark_held_locks+0xf0/0xf0 [ 42.802140] ? mark_held_locks+0xf0/0xf0 [ 42.806188] ? lock_downgrade+0x720/0x720 [ 42.810315] ? mark_held_locks+0xf0/0xf0 [ 42.814446] ? reacquire_held_locks+0xb5/0x430 [ 42.819007] ? release_sock+0x1b/0x1b0 [ 42.822885] ? sock_def_wakeup+0x155/0x270 [ 42.827096] lock_acquire+0x170/0x3c0 [ 42.830932] ? skb_dequeue+0x1c/0x180 [ 42.834719] _raw_spin_lock_irqsave+0x8c/0xc0 [ 42.839191] ? skb_dequeue+0x1c/0x180 [ 42.842969] skb_dequeue+0x1c/0x180 [ 42.846597] skb_queue_purge+0x21/0x30 [ 42.850482] l2cap_chan_del+0x690/0xa50 [ 42.854449] l2cap_chan_close+0x1b5/0x950 [ 42.858706] ? __set_monitor_timer+0x200/0x200 [ 42.863293] ? wait_for_completion_io+0x10/0x10 [ 42.867943] ? mark_held_locks+0xa6/0xf0 [ 42.872089] ? __local_bh_enable_ip+0x159/0x270 [ 42.876755] l2cap_sock_shutdown+0x339/0xe10 [ 42.881147] ? l2cap_sock_getname+0x510/0x510 [ 42.885619] ? l2cap_sock_release+0x6a/0x290 [ 42.890006] ? lock_downgrade+0x720/0x720 [ 42.894134] ? do_raw_write_lock+0xb8/0x1e0 [ 42.898436] l2cap_sock_release+0x77/0x290 [ 42.902669] __sock_release+0xcd/0x2a0 [ 42.906547] ? __sock_release+0x2a0/0x2a0 [ 42.910672] sock_close+0x15/0x20 [ 42.914122] __fput+0x2ce/0x890 [ 42.917382] task_work_run+0x148/0x1c0 [ 42.921265] exit_to_usermode_loop+0x251/0x2a0 [ 42.926019] do_syscall_64+0x538/0x620 [ 42.929888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.935069] RIP: 0033:0x4177b1 [ 42.938241] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 42.957135] RSP: 002b:00007fff6a70d0b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 42.964853] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00000000004177b1 [ 42.972142] RDX: fffffffffffffff7 RSI: 0000000001190540 RDI: 0000000000000004 [ 42.979419] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.986860] R10: 00007fff6a70d190 R11: 0000000000000293 R12: ffffffffffffffff [ 42.994803] R13: 000000000000a6ec R14: 00000000000003e8 R15: 000000000118bfd4 2020/10/23 17:37:28 executed programs: 90 [ 43.610419] Bluetooth: hci0: command 0x041b tx timeout [ 45.689846] Bluetooth: hci0: command 0x040f tx timeout [ 47.768364] Bluetooth: hci0: command 0x0419 tx timeout 2020/10/23 17:37:33 executed programs: 466