[ 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 '10.128.0.142' (ECDSA) to the list of known hosts. syzkaller login: [ 1584.642704][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 1584.736859][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 1584.790431][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 1584.798126][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 1584.809025][ T8474] device bridge_slave_0 entered promiscuous mode [ 1584.817938][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 1584.826034][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 1584.834186][ T8474] device bridge_slave_1 entered promiscuous mode [ 1584.851178][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1584.861816][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1584.880710][ T8474] team0: Port device team_slave_0 added [ 1584.887720][ T8474] team0: Port device team_slave_1 added [ 1584.902296][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1584.909647][ T8474] 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. [ 1584.936684][ T8474] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1584.949643][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1584.956920][ T8474] 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. [ 1584.983056][ T8474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1585.005679][ T8474] device hsr_slave_0 entered promiscuous mode [ 1585.012322][ T8474] device hsr_slave_1 entered promiscuous mode [ 1585.089425][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1585.100606][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1585.110283][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1585.121357][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1585.141569][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.149052][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.157131][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.165132][ T8474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.202348][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1585.217242][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1585.227905][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.236246][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.243850][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1585.255964][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 1585.267973][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1585.276302][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.283419][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.304833][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1585.313250][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.320365][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.329279][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1585.337776][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1585.348789][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1585.356746][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1585.369709][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1585.381024][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1585.388840][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1585.410242][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1585.417894][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1585.426018][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1585.445107][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1585.459772][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1585.468547][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1585.477237][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1585.487938][ T8474] device veth0_vlan entered promiscuous mode [ 1585.498950][ T8474] device veth1_vlan entered promiscuous mode [ 1585.517897][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1585.526243][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1585.535202][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1585.546056][ T8474] device veth0_macvtap entered promiscuous mode [ 1585.555355][ T8474] device veth1_macvtap entered promiscuous mode [ 1585.571488][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1585.579004][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1585.588681][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1585.599928][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1585.609366][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1585.620056][ T8474] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.630445][ T8474] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.639371][ T8474] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.648921][ T8474] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.714116][ T22] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1585.722768][ T22] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1585.750075][ T52] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 1585.751540][ T8466] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1585.764769][ T52] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1585.773570][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 1585.814291][ C1] hrtimer: interrupt took 40290 ns executing program executing program executing program executing program executing program executing program executing program executing program [ 1586.736460][ T8692] Bluetooth: hci0: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1588.804340][ T8466] Bluetooth: hci0: command 0x041b tx timeout executing program executing program executing program executing program [ 1590.824587][ T8466] Bluetooth: hci0: command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1592.904705][ T2999] Bluetooth: hci0: command 0x0419 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1703.564253][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1703.571065][ C1] rcu: 1-....: (8387 ticks this GP) idle=6c6/1/0x4000000000000000 softirq=9854/9855 fqs=5094 [ 1703.582657][ C1] (t=10501 jiffies g=9217 q=198) [ 1703.587677][ C1] NMI backtrace for cpu 1 [ 1703.591993][ C1] CPU: 1 PID: 8914 Comm: syz-executor318 Not tainted 5.11.0-rc1-syzkaller #0 [ 1703.600974][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1703.611941][ C1] Call Trace: [ 1703.615919][ C1] [ 1703.618984][ C1] dump_stack+0x107/0x163 [ 1703.623808][ C1] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1703.628987][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 1703.634166][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1703.640128][ C1] rcu_dump_cpu_stacks+0x1e3/0x21e [ 1703.645222][ C1] rcu_sched_clock_irq.cold+0x472/0xec3 [ 1703.650944][ C1] ? rcutree_dead_cpu+0x50/0x50 [ 1703.655775][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1703.660627][ C1] ? __raise_softirq_irqoff+0x93/0x1d0 [ 1703.666260][ C1] update_process_times+0x16d/0x200 [ 1703.671783][ C1] tick_sched_handle+0x9b/0x180 [ 1703.676615][ C1] tick_sched_timer+0x1b0/0x2d0 [ 1703.681447][ C1] ? get_cpu_iowait_time_us+0x3f0/0x3f0 [ 1703.686972][ C1] __hrtimer_run_queues+0x1ce/0xea0 [ 1703.692153][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1703.698113][ C1] ? ktime_get_update_offsets_now+0x249/0x320 [ 1703.704180][ C1] hrtimer_interrupt+0x334/0x940 [ 1703.709189][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 1703.715237][ C1] sysvec_apic_timer_interrupt+0x48/0x100 [ 1703.720942][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1703.726901][ C1] RIP: 0010:queue_work_on+0x83/0xd0 [ 1703.732075][ C1] Code: 31 ff 89 ee e8 ae dd 28 00 40 84 ed 74 46 e8 24 d7 28 00 31 ff 48 89 de e8 0a df 28 00 48 85 db 75 26 e8 10 d7 28 00 41 56 9d <48> 83 c4 08 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 f6 d6 28 [ 1703.751658][ C1] RSP: 0018:ffffc90000d908a0 EFLAGS: 00000246 [ 1703.757705][ C1] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000100 [ 1703.765657][ C1] RDX: ffff888023705340 RSI: ffffffff81499e80 RDI: 0000000000000000 [ 1703.773604][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8ebda887 [ 1703.781553][ C1] R10: fffffbfff1d7b510 R11: 0000000000000000 R12: ffff88801bc955b0 [ 1703.789501][ C1] R13: ffff88801ca14000 R14: 0000000000000246 R15: 0000000000000001 [ 1703.797474][ C1] ? queue_work_on+0x80/0xd0 [ 1703.802049][ C1] ieee80211_queue_work+0x129/0x160 [ 1703.807252][ C1] ieee80211_rx_handlers+0x3b86/0xae50 [ 1703.812697][ C1] ? ieee80211_process_sa_query_req+0x8b0/0x8b0 [ 1703.818919][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1703.825139][ C1] ? __rhashtable_lookup+0x3c2/0x780 [ 1703.830407][ C1] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 1703.836645][ C1] ieee80211_prepare_and_rx_handle+0x2414/0x61c0 [ 1703.842958][ C1] ? ieee80211_mark_rx_ba_filtered_frames+0x740/0x740 [ 1703.849703][ C1] ? sta_info_get+0x380/0x380 [ 1703.854362][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1703.860580][ C1] ? ieee80211_scan_rx+0x1e7/0x7c0 [ 1703.865670][ C1] ieee80211_rx_list+0x1077/0x2430 [ 1703.870763][ C1] ? ieee80211_prepare_and_rx_handle+0x61c0/0x61c0 [ 1703.877249][ C1] ? find_held_lock+0x2d/0x110 [ 1703.881992][ C1] ? skb_dequeue+0x125/0x180 [ 1703.886565][ C1] ieee80211_rx_napi+0xf7/0x3d0 [ 1703.891409][ C1] ? ieee80211_rx_list+0x2430/0x2430 [ 1703.896672][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1703.901847][ C1] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 1703.907632][ C1] ieee80211_tasklet_handler+0xd4/0x130 [ 1703.913158][ C1] tasklet_action_common.constprop.0+0x1d7/0x2d0 [ 1703.919552][ C1] __do_softirq+0x2a5/0x9f7 [ 1703.924037][ C1] asm_call_irq_on_stack+0xf/0x20 [ 1703.929044][ C1] [ 1703.931955][ C1] do_softirq_own_stack+0xaa/0xd0 [ 1703.936974][ C1] irq_exit_rcu+0x134/0x200 [ 1703.941454][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 1703.947153][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1703.953110][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 [ 1703.959160][ C1] Code: 0f bd c8 49 8b 14 24 48 63 c9 e9 66 ff ff ff 4c 01 ca 49 89 13 e9 00 fd ff ff 66 0f 1f 84 00 00 00 00 00 65 8b 05 29 7a 8f 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9 [ 1703.978742][ C1] RSP: 0018:ffffc90001e97768 EFLAGS: 00000202 [ 1703.984786][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888023705340 [ 1703.992734][ C1] RDX: 0000000000000000 RSI: ffff888023705340 RDI: 0000000000000003 [ 1704.000681][ C1] RBP: ffff88802f464000 R08: 0000000000000000 R09: 0000000000000001 [ 1704.008628][ C1] R10: ffffffff81a441c3 R11: 0000000000000000 R12: 000000000000008d [ 1704.016577][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000424000 [ 1704.024545][ C1] ? trace_rss_stat+0x73/0x290 [ 1704.029294][ C1] trace_rss_stat+0x180/0x290 [ 1704.033948][ C1] unmap_page_range+0x100e/0x2640 [ 1704.038962][ C1] ? vm_normal_page_pmd+0x510/0x510 [ 1704.044137][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1704.048963][ C1] ? uprobe_munmap+0x1c/0x560 [ 1704.053637][ C1] unmap_single_vma+0x198/0x300 [ 1704.058468][ C1] unmap_vmas+0x168/0x2e0 [ 1704.062782][ C1] ? zap_vma_ptes+0x100/0x100 [ 1704.067443][ C1] exit_mmap+0x2b1/0x5a0 [ 1704.071667][ C1] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 1704.077634][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1704.083854][ C1] ? __khugepaged_exit+0x2d9/0x470 [ 1704.089067][ C1] __mmput+0x122/0x470 [ 1704.093135][ C1] mmput+0x53/0x60 [ 1704.096833][ C1] do_exit+0xb6a/0x2ae0 [ 1704.100968][ C1] ? irqtime_account_irq+0x187/0x2d0 [ 1704.106253][ C1] ? mm_update_next_owner+0x7a0/0x7a0 [ 1704.111601][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1704.116775][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1704.121896][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 1704.126901][ C1] do_group_exit+0x125/0x310 [ 1704.131491][ C1] get_signal+0x3ec/0x2010 [ 1704.135890][ C1] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 1704.141590][ C1] ? fasync_helper+0x69/0xb0 [ 1704.146158][ C1] ? __perf_event_init_context+0x310/0x310 [ 1704.151943][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 1704.157123][ C1] ? __perf_event_init_context+0x310/0x310 [ 1704.162907][ C1] ? copy_siginfo_to_user32+0xa0/0xa0 [ 1704.168259][ C1] ? kick_process+0xe0/0x180 [ 1704.172827][ C1] ? task_work_add+0x97/0x180 [ 1704.177490][ C1] exit_to_user_mode_prepare+0x148/0x250 [ 1704.183119][ C1] syscall_exit_to_user_mode+0x19/0x50 [ 1704.188575][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1704.194452][ C1] RIP: 0033:0x44c2b9 [ 1704.198323][ C1] Code: Unable to access opcode bytes at RIP 0x44c28f. [ 1704.205138][ C1] RSP: 002b:00007f9025121ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 [ 1704.213634][ C1] RAX: 0000000000000000 RBX: 00000000006e8a08 RCX: 000000000044c2b9 [ 1704.221581][ C1] RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 [ 1704.229527][ C1] RBP: 00000000006e8a00 R08: 0000000000000000 R09: 0000000000000000 [ 1704.237477][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e8a0c [ 1704.245513][ C1] R13: 00007ffc7d12f4ff R14: 00007f90251229c0 R15: 20c49ba5e353f7cf executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1711.144512][ T8545] Bluetooth: hci0: command 0x0406 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program