Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts. 2020/11/28 10:54:32 fuzzer started 2020/11/28 10:54:33 connecting to host at 10.128.0.26:45311 2020/11/28 10:54:33 checking machine... 2020/11/28 10:54:33 checking revisions... 2020/11/28 10:54:33 testing simple program... syzkaller login: [ 62.423310][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 62.589410][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 62.644026][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.651720][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.661243][ T8518] device bridge_slave_0 entered promiscuous mode [ 62.670625][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.679622][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.687675][ T8518] device bridge_slave_1 entered promiscuous mode [ 62.709190][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.721371][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.745496][ T8518] team0: Port device team_slave_0 added [ 62.753046][ T8518] team0: Port device team_slave_1 added [ 62.771940][ T8518] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.779017][ 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. [ 62.805940][ T8518] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.819259][ T8518] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.826209][ 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. [ 62.852209][ T8518] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.880937][ T8518] device hsr_slave_0 entered promiscuous mode [ 62.887679][ T8518] device hsr_slave_1 entered promiscuous mode [ 62.993486][ T8518] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.004522][ T8518] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.015132][ T8518] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.025522][ T8518] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.050624][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.057978][ T8518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.065889][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.073027][ T8518] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.125473][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.141547][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.153332][ T3125] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.162460][ T3125] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.170795][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.184275][ T8518] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.196393][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.205993][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.213118][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.230750][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.239558][ T8737] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.246791][ T8737] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.268424][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.278287][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.286640][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.296749][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.309981][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.320058][ T8518] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.340662][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.348628][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.364199][ T8518] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.384926][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.406763][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.416309][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.425234][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.435808][ T8518] device veth0_vlan entered promiscuous mode [ 63.450273][ T8518] device veth1_vlan entered promiscuous mode [ 63.475455][ T8518] device veth0_macvtap entered promiscuous mode [ 63.483767][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.492660][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.501249][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.510338][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.521877][ T8518] device veth1_macvtap entered promiscuous mode [ 63.542027][ T8518] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.550166][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.564753][ T8518] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.572962][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.581815][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.594415][ T8518] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.603975][ T8518] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.612823][ T8518] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.623162][ T8518] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.716763][ T110] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.732547][ T110] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.750125][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.773899][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.782114][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.792297][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.830376][ T110] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 63.848102][ T110] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 110, name: kworker/u4:3 2020/11/28 10:54:36 building call list... [ 63.877642][ T110] 4 locks held by kworker/u4:3/110: [ 63.882965][ T110] #0: ffff88801c90e938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 63.917993][ T110] #1: ffffc9000128fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 executing program [ 63.936686][ T110] #2: ffff88802846cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 63.947139][ T110] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 63.958616][ T110] Preemption disabled at: [ 63.958644][ T110] [] __mutex_lock+0x10f/0x10e0 [ 63.970565][ T110] CPU: 1 PID: 110 Comm: kworker/u4:3 Not tainted 5.10.0-rc3-syzkaller #0 [ 63.978992][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.989065][ T110] Workqueue: phy3 ieee80211_iface_work [ 63.994533][ T110] Call Trace: [ 63.997833][ T110] dump_stack+0x107/0x163 [ 64.002174][ T110] ? __mutex_lock+0x10f/0x10e0 [ 64.006941][ T110] ___might_sleep.cold+0x1e8/0x22e [ 64.012068][ T110] sta_info_move_state+0x32/0x8d0 [ 64.017114][ T110] sta_info_free+0x65/0x3b0 [ 64.021634][ T110] sta_info_insert_rcu+0x303/0x2ba0 [ 64.026843][ T110] ? find_held_lock+0x2d/0x110 [ 64.031620][ T110] ? rate_control_rate_init+0x32c/0x6a0 [ 64.037188][ T110] ? sta_info_free+0x3b0/0x3b0 [ 64.042029][ T110] ? __local_bh_enable_ip+0x9c/0x110 [ 64.047330][ T110] ? rate_control_rate_init+0x35f/0x6a0 [ 64.052893][ T110] ieee80211_ibss_finish_sta+0x212/0x390 [ 64.058535][ T110] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 64.064613][ T110] ? __local_bh_enable_ip+0x9c/0x110 [ 64.069915][ T110] ieee80211_ibss_work+0x2c7/0xe80 [ 64.075045][ T110] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 64.081392][ T110] ? mark_held_locks+0x9f/0xe0 [ 64.086174][ T110] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 64.092041][ T110] ? lockdep_hardirqs_on+0x79/0x100 [ 64.097255][ T110] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 64.103081][ T110] ieee80211_iface_work+0x91f/0xa90 [ 64.108316][ T110] process_one_work+0x933/0x15a0 [ 64.113274][ T110] ? lock_release+0x710/0x710 [ 64.117956][ T110] ? pwq_dec_nr_in_flight+0x320/0x320 [ 64.123375][ T110] ? rwlock_bug.part.0+0x90/0x90 [ 64.128322][ T110] ? _raw_spin_lock_irq+0x41/0x50 [ 64.133367][ T110] worker_thread+0x64c/0x1120 [ 64.138163][ T110] ? process_one_work+0x15a0/0x15a0 [ 64.143374][ T110] kthread+0x3af/0x4a0 [ 64.147456][ T110] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 64.153358][ T110] ret_from_fork+0x1f/0x30 [ 64.174896][ T110] [ 64.177239][ T110] ============================= [ 64.182072][ T110] [ BUG: Invalid wait context ] [ 64.186910][ T110] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 64.193653][ T110] ----------------------------- [ 64.198490][ T110] kworker/u4:3/110 is trying to lock: [ 64.203845][ T110] ffff888035a729d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 64.214445][ T110] other info that might help us debug this: [ 64.220324][ T110] context-{4:4} [ 64.223797][ T110] 4 locks held by kworker/u4:3/110: [ 64.228976][ T110] #0: ffff88801c90e938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 64.239155][ T110] #1: ffffc9000128fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 64.250366][ T110] #2: ffff88802846cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 64.260460][ T110] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 64.270372][ T110] stack backtrace: [ 64.274095][ T110] CPU: 1 PID: 110 Comm: kworker/u4:3 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 64.283883][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.293944][ T110] Workqueue: phy3 ieee80211_iface_work [ 64.299397][ T110] Call Trace: [ 64.302689][ T110] dump_stack+0x107/0x163 [ 64.307015][ T110] __lock_acquire.cold+0x310/0x3a2 [ 64.312125][ T110] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 64.318094][ T110] ? find_held_lock+0x2d/0x110 [ 64.322847][ T110] lock_acquire+0x2a3/0x8c0 [ 64.327341][ T110] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.333316][ T110] ? lock_release+0x710/0x710 [ 64.337990][ T110] __mutex_lock+0x134/0x10e0 [ 64.342572][ T110] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.348591][ T110] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.354567][ T110] ? mutex_lock_io_nested+0xf60/0xf60 [ 64.359939][ T110] ? ieee80211_clear_fast_rx+0x58/0x80 [ 64.365390][ T110] ? mark_held_locks+0x9f/0xe0 [ 64.370163][ T110] ieee80211_recalc_min_chandef+0x49/0x140 [ 64.375963][ T110] sta_info_move_state+0x3cf/0x8d0 [ 64.381065][ T110] sta_info_free+0x65/0x3b0 [ 64.385560][ T110] sta_info_insert_rcu+0x303/0x2ba0 [ 64.390749][ T110] ? find_held_lock+0x2d/0x110 [ 64.395505][ T110] ? rate_control_rate_init+0x32c/0x6a0 [ 64.401039][ T110] ? sta_info_free+0x3b0/0x3b0 [ 64.405793][ T110] ? __local_bh_enable_ip+0x9c/0x110 [ 64.411069][ T110] ? rate_control_rate_init+0x35f/0x6a0 [ 64.416607][ T110] ieee80211_ibss_finish_sta+0x212/0x390 [ 64.422233][ T110] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 64.428380][ T110] ? __local_bh_enable_ip+0x9c/0x110 [ 64.433662][ T110] ieee80211_ibss_work+0x2c7/0xe80 [ 64.438767][ T110] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 64.445091][ T110] ? mark_held_locks+0x9f/0xe0 [ 64.449848][ T110] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 64.455654][ T110] ? lockdep_hardirqs_on+0x79/0x100 [ 64.460851][ T110] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 64.466654][ T110] ieee80211_iface_work+0x91f/0xa90 [ 64.471846][ T110] process_one_work+0x933/0x15a0 [ 64.476783][ T110] ? lock_release+0x710/0x710 [ 64.481452][ T110] ? pwq_dec_nr_in_flight+0x320/0x320 [ 64.486816][ T110] ? rwlock_bug.part.0+0x90/0x90 [ 64.491746][ T110] ? _raw_spin_lock_irq+0x41/0x50 [ 64.496759][ T110] worker_thread+0x64c/0x1120 [ 64.501453][ T110] ? process_one_work+0x15a0/0x15a0 [ 64.506641][ T110] kthread+0x3af/0x4a0 [ 64.510704][ T110] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 64.516599][ T110] ret_from_fork+0x1f/0x30 [ 64.527595][ T3000] Bluetooth: hci0: command 0x0409 tx timeout [ 64.686443][ T240] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.774005][ T240] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.861021][ T240] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 64.942665][ T240] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.138141][ T240] device hsr_slave_0 left promiscuous mode [ 66.153523][ T240] device hsr_slave_1 left promiscuous mode [ 66.160519][ T240] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.169319][ T240] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.177779][ T240] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.185147][ T240] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.194695][ T240] device bridge_slave_1 left promiscuous mode [ 66.201442][ T240] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.210526][ T240] device bridge_slave_0 left promiscuous mode [ 66.217287][ T240] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.227991][ T240] device veth1_macvtap left promiscuous mode [ 66.233979][ T240] device veth0_macvtap left promiscuous mode [ 66.240817][ T240] device veth1_vlan left promiscuous mode [ 66.247212][ T240] device veth0_vlan left promiscuous mode executing program [ 67.169447][ T240] team0 (unregistering): Port device team_slave_1 removed [ 67.180434][ T240] team0 (unregistering): Port device team_slave_0 removed [ 67.191301][ T240] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.202364][ T240] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.228910][ T240] bond0 (unregistering): Released all slaves [ 67.305099][ T8505] can: request_module (can-proto-0) failed. [ 67.680841][ T8505] can: request_module (can-proto-0) failed. [ 67.690529][ T8505] can: request_module (can-proto-0) failed. [ 67.829042][ T8505] base_sock_release(000000006b5cc990) sk=000000000b5a5ca7