[ OK ] Reached target Multi-User System. [ 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... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. 2020/11/20 09:12:57 parsed 1 programs 2020/11/20 09:12:58 executed programs: 0 syzkaller login: [ 1123.987692][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 1124.176913][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 1124.243607][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.251758][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 1124.260639][ T8518] device bridge_slave_0 entered promiscuous mode [ 1124.271486][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.278847][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 1124.286866][ T8518] device bridge_slave_1 entered promiscuous mode [ 1124.307465][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1124.319150][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1124.343515][ T8518] team0: Port device team_slave_0 added [ 1124.351281][ T8518] team0: Port device team_slave_1 added [ 1124.368851][ T8518] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1124.375846][ T8518] 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. [ 1124.402744][ T8518] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1124.416147][ T8518] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1124.423101][ T8518] 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. [ 1124.449388][ T8518] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1124.477591][ T8518] device hsr_slave_0 entered promiscuous mode [ 1124.484421][ T8518] device hsr_slave_1 entered promiscuous mode [ 1124.586418][ T8518] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1124.598639][ T8518] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1124.609419][ T8518] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1124.620517][ T8518] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1124.646702][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.654065][ T8518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.662212][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.669700][ T8518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1124.718400][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1124.732056][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1124.744505][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 1124.753169][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 1124.763463][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1124.778299][ T8518] 8021q: adding VLAN 0 to HW filter on device team0 [ 1124.797249][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1124.805861][ T8660] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.813197][ T8660] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1124.822088][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1124.831562][ T8660] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.838695][ T8660] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.863278][ T8518] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1124.876648][ T8518] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1124.890132][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1124.899338][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1124.908602][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.918449][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.928084][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1124.936515][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1124.955812][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1124.963223][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1124.979068][ T8518] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1124.999369][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1125.021622][ T8518] device veth0_vlan entered promiscuous mode [ 1125.029466][ T8742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1125.039311][ T8742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1125.048851][ T8742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1125.063571][ T8518] device veth1_vlan entered promiscuous mode [ 1125.087312][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1125.095790][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1125.104529][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1125.115740][ T8518] device veth0_macvtap entered promiscuous mode [ 1125.126922][ T8518] device veth1_macvtap entered promiscuous mode [ 1125.143539][ T8518] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1125.152693][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1125.162426][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1125.174687][ T8518] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1125.181978][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1125.191990][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1125.203929][ T8518] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1125.212784][ T8518] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1125.223025][ T8518] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1125.241507][ T8518] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1125.330550][ T298] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1125.348029][ T298] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1125.373065][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1125.393478][ T8655] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1125.401743][ T8655] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1125.411445][ T8660] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1125.430847][ T298] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 1125.441257][ T298] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 298, name: kworker/u4:6 [ 1125.451794][ T298] 4 locks held by kworker/u4:6/298: [ 1125.463943][ T298] #0: ffff88801db4e138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 1125.476391][ T298] #1: ffffc900017cfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 1125.488764][ T298] #2: ffff888022584d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 1125.498967][ T298] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 1125.513385][ T298] Preemption disabled at: [ 1125.513491][ T298] [] __mutex_lock+0x10f/0x10e0 [ 1125.528953][ T298] CPU: 0 PID: 298 Comm: kworker/u4:6 Not tainted 5.10.0-rc4-syzkaller #0 [ 1125.537394][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.547787][ T298] Workqueue: phy4 ieee80211_iface_work [ 1125.553308][ T298] Call Trace: [ 1125.556653][ T298] dump_stack+0x107/0x163 [ 1125.561005][ T298] ? __mutex_lock+0x10f/0x10e0 [ 1125.565979][ T298] ___might_sleep.cold+0x1e8/0x22e [ 1125.571109][ T298] sta_info_move_state+0x32/0x8d0 [ 1125.576165][ T298] sta_info_free+0x65/0x3b0 [ 1125.580689][ T298] sta_info_insert_rcu+0x303/0x2ba0 [ 1125.585990][ T298] ? find_held_lock+0x2d/0x110 [ 1125.590781][ T298] ? rate_control_rate_init+0x32c/0x6a0 [ 1125.596349][ T298] ? sta_info_free+0x3b0/0x3b0 [ 1125.601224][ T298] ? __local_bh_enable_ip+0x9c/0x110 [ 1125.606708][ T298] ? rate_control_rate_init+0x35f/0x6a0 [ 1125.612708][ T298] ieee80211_ibss_finish_sta+0x212/0x390 [ 1125.618356][ T298] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 1125.624442][ T298] ? __local_bh_enable_ip+0x9c/0x110 [ 1125.629871][ T298] ieee80211_ibss_work+0x2c7/0xe80 [ 1125.635041][ T298] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 1125.641486][ T298] ? mark_held_locks+0x9f/0xe0 [ 1125.646281][ T298] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 1125.652161][ T298] ? lockdep_hardirqs_on+0x79/0x100 [ 1125.657389][ T298] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 1125.663308][ T298] ieee80211_iface_work+0x82e/0x970 [ 1125.668543][ T298] process_one_work+0x933/0x15a0 [ 1125.673515][ T298] ? lock_release+0x710/0x710 [ 1125.678214][ T298] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1125.683627][ T298] ? rwlock_bug.part.0+0x90/0x90 [ 1125.688583][ T298] ? _raw_spin_lock_irq+0x41/0x50 [ 1125.693636][ T298] worker_thread+0x64c/0x1120 [ 1125.698344][ T298] ? process_one_work+0x15a0/0x15a0 [ 1125.703551][ T298] kthread+0x3af/0x4a0 [ 1125.707636][ T298] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1125.713581][ T298] ret_from_fork+0x1f/0x30 [ 1125.740349][ T298] [ 1125.742705][ T298] ============================= [ 1125.747547][ T298] [ BUG: Invalid wait context ] [ 1125.752393][ T298] 5.10.0-rc4-syzkaller #0 Tainted: G W [ 1125.759150][ T298] ----------------------------- [ 1125.764001][ T298] kworker/u4:6/298 is trying to lock: [ 1125.769367][ T298] ffff88801bb329d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 1125.780087][ T298] other info that might help us debug this: [ 1125.785982][ T298] context-{4:4} [ 1125.789438][ T298] 4 locks held by kworker/u4:6/298: [ 1125.794631][ T298] #0: ffff88801db4e138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 1125.804818][ T298] #1: ffffc900017cfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 1125.816066][ T298] #2: ffff888022584d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 1125.825566][ T298] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 1125.835596][ T298] stack backtrace: [ 1125.839326][ T298] CPU: 0 PID: 298 Comm: kworker/u4:6 Tainted: G W 5.10.0-rc4-syzkaller #0 [ 1125.849133][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.859206][ T298] Workqueue: phy4 ieee80211_iface_work [ 1125.864667][ T298] Call Trace: [ 1125.867969][ T298] dump_stack+0x107/0x163 [ 1125.872311][ T298] __lock_acquire.cold+0x1d6/0x39f [ 1125.877447][ T298] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1125.883449][ T298] ? find_held_lock+0x2d/0x110 [ 1125.888218][ T298] lock_acquire+0x2a3/0x8c0 [ 1125.892727][ T298] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 1125.898749][ T298] ? lock_release+0x710/0x710 [ 1125.903521][ T298] __mutex_lock+0x134/0x10e0 [ 1125.908124][ T298] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 1125.914109][ T298] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 1125.920103][ T298] ? mutex_lock_io_nested+0xf60/0xf60 [ 1125.927538][ T298] ? ieee80211_clear_fast_rx+0x58/0x80 [ 1125.933037][ T298] ? mark_held_locks+0x9f/0xe0 [ 1125.937818][ T298] ieee80211_recalc_min_chandef+0x49/0x140 [ 1125.943658][ T298] sta_info_move_state+0x3cf/0x8d0 [ 1125.948775][ T298] sta_info_free+0x65/0x3b0 [ 1125.953292][ T298] sta_info_insert_rcu+0x303/0x2ba0 [ 1125.958588][ T298] ? find_held_lock+0x2d/0x110 [ 1125.963381][ T298] ? rate_control_rate_init+0x32c/0x6a0 [ 1125.968930][ T298] ? sta_info_free+0x3b0/0x3b0 [ 1125.973701][ T298] ? __local_bh_enable_ip+0x9c/0x110 [ 1125.979004][ T298] ? rate_control_rate_init+0x35f/0x6a0 [ 1125.984567][ T298] ieee80211_ibss_finish_sta+0x212/0x390 [ 1125.990213][ T298] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 1125.996290][ T298] ? __local_bh_enable_ip+0x9c/0x110 [ 1126.001586][ T298] ieee80211_ibss_work+0x2c7/0xe80 [ 1126.006718][ T298] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 1126.013076][ T298] ? mark_held_locks+0x9f/0xe0 [ 1126.017853][ T298] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 1126.023669][ T298] ? lockdep_hardirqs_on+0x79/0x100 [ 1126.024026][ T8660] Bluetooth: hci0: command 0x0409 tx timeout [ 1126.028866][ T298] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 1126.028881][ T298] ieee80211_iface_work+0x82e/0x970 [ 1126.028900][ T298] process_one_work+0x933/0x15a0 [ 1126.051553][ T298] ? lock_release+0x710/0x710 [ 1126.056233][ T298] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1126.061613][ T298] ? rwlock_bug.part.0+0x90/0x90 [ 1126.066557][ T298] ? _raw_spin_lock_irq+0x41/0x50 [ 1126.071583][ T298] worker_thread+0x64c/0x1120 [ 1126.076264][ T298] ? process_one_work+0x15a0/0x15a0 [ 1126.081464][ T298] kthread+0x3af/0x4a0 [ 1126.085536][ T298] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1126.091435][ T298] ret_from_fork+0x1f/0x30 2020/11/20 09:13:03 executed programs: 104 [ 1128.103499][ T8660] Bluetooth: hci0: command 0x041b tx timeout [ 1130.183439][ T8660] Bluetooth: hci0: command 0x040f tx timeout [ 1132.262954][ T8660] Bluetooth: hci0: command 0x0419 tx timeout 2020/11/20 09:13:08 executed programs: 370