[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. 2020/12/05 02:35:05 parsed 1 programs 2020/12/05 02:35:05 executed programs: 0 syzkaller login: [ 72.562637][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 72.726862][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 72.786194][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.795729][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.807024][ T8516] device bridge_slave_0 entered promiscuous mode [ 72.816338][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.825280][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.834639][ T8516] device bridge_slave_1 entered promiscuous mode [ 72.857320][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.868642][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.892010][ T8516] team0: Port device team_slave_0 added [ 72.900000][ T8516] team0: Port device team_slave_1 added [ 72.919908][ T8516] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.927066][ T8516] 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. [ 72.953361][ T8516] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.966357][ T8516] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.973872][ T8516] 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. [ 73.000650][ T8516] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.028119][ T8516] device hsr_slave_0 entered promiscuous mode [ 73.035436][ T8516] device hsr_slave_1 entered promiscuous mode [ 73.139520][ T8516] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.151623][ T8516] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.163393][ T8516] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.175463][ T8516] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.203840][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.214654][ T8516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.222844][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.230070][ T8516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.280613][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.295945][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.310682][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.319979][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.329260][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.344084][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.357885][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.367547][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.374828][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.397602][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.409779][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.417220][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.426239][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.449375][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.459530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.469003][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.480660][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.493069][ T8516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.514756][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.523862][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.540456][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.567938][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.593887][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.605518][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.616800][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.631765][ T8516] device veth0_vlan entered promiscuous mode [ 73.647632][ T8516] device veth1_vlan entered promiscuous mode [ 73.672421][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.688296][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.700087][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.713766][ T8516] device veth0_macvtap entered promiscuous mode [ 73.727843][ T8516] device veth1_macvtap entered promiscuous mode [ 73.751952][ T8516] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.762976][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.773684][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.788270][ T8516] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.795731][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.810466][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.823551][ T8516] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.839271][ T8516] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.851538][ T8516] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.864148][ T8516] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.977557][ T123] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.997938][ T123] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.017190][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.044386][ T123] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.055792][ T123] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.069464][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.120765][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 74.134548][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 74.167976][ T21] 4 locks held by kworker/u4:1/21: [ 74.173264][ T21] #0: ffff8880284ed938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 74.189345][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 74.227742][ T21] #2: ffff888012364d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 74.250566][ T21] #3: ffffffff8b3372a0 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 74.287497][ T21] Preemption disabled at: [ 74.287550][ T21] [] __mutex_lock+0x10f/0x10e0 [ 74.316624][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0 [ 74.325623][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.343568][ T21] Workqueue: phy3 ieee80211_iface_work [ 74.349073][ T21] Call Trace: [ 74.352450][ T21] dump_stack+0x107/0x163 [ 74.356856][ T21] ? __mutex_lock+0x10f/0x10e0 [ 74.361691][ T21] ___might_sleep.cold+0x1e8/0x22e [ 74.366862][ T21] sta_info_move_state+0x32/0x8d0 [ 74.371945][ T21] sta_info_free+0x65/0x3b0 [ 74.376990][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 74.382235][ T21] ? find_held_lock+0x2d/0x110 [ 74.387478][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 74.393084][ T21] ? sta_info_free+0x3b0/0x3b0 [ 74.397918][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 74.403494][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 74.409160][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 74.414886][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 74.421363][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 74.426707][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 74.435157][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 74.442746][ T21] ? mark_held_locks+0x9f/0xe0 [ 74.448200][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 74.455731][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 74.460987][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 74.466913][ T21] ieee80211_iface_work+0x91f/0xa90 [ 74.472177][ T21] process_one_work+0x933/0x15a0 [ 74.477189][ T21] ? lock_release+0x710/0x710 [ 74.482781][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.488215][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 74.493227][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 74.498350][ T21] worker_thread+0x64c/0x1120 [ 74.505210][ T21] ? process_one_work+0x15a0/0x15a0 [ 74.510478][ T21] kthread+0x3af/0x4a0 [ 74.514621][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.520623][ T21] ret_from_fork+0x1f/0x30 [ 74.537280][ T4911] Bluetooth: hci0: command 0x0409 tx timeout [ 74.556632][ T21] [ 74.559058][ T21] ============================= [ 74.563948][ T21] [ BUG: Invalid wait context ] [ 74.568813][ T21] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 74.575590][ T21] ----------------------------- [ 74.580457][ T21] kworker/u4:1/21 is trying to lock: [ 74.585751][ T21] ffff88801cd129d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 74.596423][ T21] other info that might help us debug this: [ 74.608110][ T21] context-{4:4} [ 74.611611][ T21] 4 locks held by kworker/u4:1/21: [ 74.616729][ T21] #0: ffff8880284ed938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 74.627063][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 74.640592][ T21] #2: ffff888012364d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 74.650141][ T21] #3: ffffffff8b3372a0 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 74.660082][ T21] stack backtrace: [ 74.663826][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 74.676507][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.690265][ T21] Workqueue: phy3 ieee80211_iface_work [ 74.695737][ T21] Call Trace: [ 74.699056][ T21] dump_stack+0x107/0x163 [ 74.703442][ T21] __lock_acquire.cold+0x310/0x3a2 [ 74.708602][ T21] ? percpu_rwsem_wait+0x333/0x4a0 [ 74.714726][ T21] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.720736][ T21] lock_acquire+0x2a3/0x8c0 [ 74.725389][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.731410][ T21] ? lock_release+0x710/0x710 [ 74.736121][ T21] __mutex_lock+0x134/0x10e0 [ 74.740741][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.746750][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.752791][ T21] ? mutex_lock_io_nested+0xf60/0xf60 [ 74.761408][ T21] ? ieee80211_clear_fast_rx+0x58/0x80 [ 74.767791][ T21] ? mark_held_locks+0x9f/0xe0 [ 74.772761][ T21] ieee80211_recalc_min_chandef+0x49/0x140 [ 74.779284][ T21] sta_info_move_state+0x3cf/0x8d0 [ 74.785122][ T21] sta_info_free+0x65/0x3b0 [ 74.789649][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 74.794887][ T21] ? find_held_lock+0x2d/0x110 [ 74.799672][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 74.805597][ T21] ? sta_info_free+0x3b0/0x3b0 [ 74.811103][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 74.816420][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 74.822087][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 74.828618][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 74.835489][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 74.840806][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 74.845973][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 74.853123][ T21] ? mark_held_locks+0x9f/0xe0 [ 74.858096][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 74.863966][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 74.869231][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 74.875756][ T21] ieee80211_iface_work+0x91f/0xa90 [ 74.881132][ T21] process_one_work+0x933/0x15a0 [ 74.886218][ T21] ? lock_release+0x710/0x710 [ 74.894676][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.900074][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 74.907466][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 74.912510][ T21] worker_thread+0x64c/0x1120 [ 74.917210][ T21] ? process_one_work+0x15a0/0x15a0 [ 74.922530][ T21] kthread+0x3af/0x4a0 [ 74.927923][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.933882][ T21] ret_from_fork+0x1f/0x30 2020/12/05 02:35:10 executed programs: 67 [ 76.616245][ T8735] Bluetooth: hci0: command 0x041b tx timeout [ 78.696034][ T4911] Bluetooth: hci0: command 0x040f tx timeout [ 80.785872][ T8735] Bluetooth: hci0: command 0x0419 tx timeout 2020/12/05 02:35:16 executed programs: 260