Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. 2020/11/12 17:42:47 fuzzer started 2020/11/12 17:42:47 connecting to host at 10.128.0.26:36717 2020/11/12 17:42:47 checking machine... 2020/11/12 17:42:47 checking revisions... 2020/11/12 17:42:47 testing simple program... syzkaller login: [ 65.955094][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 66.138391][ T8499] chnl_net:caif_netlink_parms(): no params data found [ 66.194985][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.202879][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.211606][ T8499] device bridge_slave_0 entered promiscuous mode [ 66.220890][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.228388][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.236680][ T8499] device bridge_slave_1 entered promiscuous mode [ 66.258207][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.269294][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.293954][ T8499] team0: Port device team_slave_0 added [ 66.301325][ T8499] team0: Port device team_slave_1 added [ 66.319253][ T8499] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.326364][ T8499] 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. [ 66.352329][ T8499] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.364954][ T8499] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.372155][ T8499] 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. [ 66.398208][ T8499] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.426016][ T8499] device hsr_slave_0 entered promiscuous mode [ 66.432688][ T8499] device hsr_slave_1 entered promiscuous mode [ 66.530852][ T8499] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.541801][ T8499] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.552647][ T8499] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.563301][ T8499] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.589071][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.596283][ T8499] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.604161][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.611320][ T8499] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.662265][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.677473][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.689402][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.698330][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.708368][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.721757][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.734271][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.743655][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.750846][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.768155][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.776629][ T3190] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.783662][ T3190] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.802394][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.812149][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.824321][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.844508][ T8499] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.855649][ T8499] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.869224][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.879049][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.887667][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.905872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.913371][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.928678][ T8499] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.949567][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.969998][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.979278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.989483][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.000335][ T8499] device veth0_vlan entered promiscuous mode [ 67.014456][ T8499] device veth1_vlan entered promiscuous mode [ 67.038373][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.047061][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.056292][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.067671][ T8499] device veth0_macvtap entered promiscuous mode [ 67.079937][ T8499] device veth1_macvtap entered promiscuous mode [ 67.098855][ T8499] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.107167][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.118692][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.130039][ T8499] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.138610][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.147713][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.160559][ T8499] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.171780][ T8499] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.180609][ T8499] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.189519][ T8499] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.279990][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.305583][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.318654][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.339451][ T716] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.347837][ T716] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.358785][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.399294][ T665] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 67.411384][ T665] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 665, name: kworker/u4:5 [ 67.423200][ T665] 4 locks held by kworker/u4:5/665: [ 67.429468][ T665] #0: ffff888013f18938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 67.441509][ T665] #1: ffffc900031dfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 67.454272][ T665] #2: ffff888035c68d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 67.467090][ T665] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 67.478059][ T665] Preemption disabled at: [ 67.478085][ T665] [] __mutex_lock+0x10f/0x10e0 [ 67.515336][ T665] CPU: 1 PID: 665 Comm: kworker/u4:5 Not tainted 5.10.0-rc2-syzkaller #0 [ 67.523792][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.533887][ T665] Workqueue: phy3 ieee80211_iface_work [ 67.539363][ T665] Call Trace: [ 67.542675][ T665] dump_stack+0x107/0x163 [ 67.547032][ T665] ? __mutex_lock+0x10f/0x10e0 [ 67.551813][ T665] ___might_sleep.cold+0x1e8/0x22e [ 67.557300][ T665] sta_info_move_state+0x32/0x8d0 [ 67.562354][ T665] sta_info_free+0x65/0x3b0 [ 67.566889][ T665] sta_info_insert_rcu+0x303/0x2ba0 [ 67.572130][ T665] ? find_held_lock+0x2d/0x110 [ 67.576926][ T665] ? rate_control_rate_init+0x32c/0x6a0 [ 67.582494][ T665] ? sta_info_free+0x3b0/0x3b0 [ 67.587315][ T665] ? __local_bh_enable_ip+0x9c/0x110 [ 67.592629][ T665] ? rate_control_rate_init+0x35f/0x6a0 [ 67.598199][ T665] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.603854][ T665] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.609946][ T665] ? __local_bh_enable_ip+0x9c/0x110 [ 67.615255][ T665] ieee80211_ibss_work+0x2c7/0xe80 [ 67.620407][ T665] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.626762][ T665] ? mark_held_locks+0x9f/0xe0 [ 67.631558][ T665] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.637388][ T665] ? lockdep_hardirqs_on+0x79/0x100 [ 67.642643][ T665] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.648493][ T665] ieee80211_iface_work+0x82e/0x970 [ 67.653734][ T665] process_one_work+0x933/0x15a0 [ 67.658704][ T665] ? lock_release+0x710/0x710 executing program [ 67.663404][ T665] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.668802][ T665] ? rwlock_bug.part.0+0x90/0x90 [ 67.673758][ T665] ? _raw_spin_lock_irq+0x41/0x50 [ 67.678813][ T665] worker_thread+0x64c/0x1120 [ 67.683523][ T665] ? process_one_work+0x15a0/0x15a0 [ 67.688742][ T665] kthread+0x3af/0x4a0 [ 67.692830][ T665] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 67.698740][ T665] ret_from_fork+0x1f/0x30 [ 67.708166][ T665] [ 67.710512][ T665] ============================= [ 67.715349][ T665] [ BUG: Invalid wait context ] [ 67.720199][ T665] 5.10.0-rc2-syzkaller #0 Tainted: G W [ 67.726948][ T665] ----------------------------- [ 67.731794][ T665] kworker/u4:5/665 is trying to lock: [ 67.737160][ T665] ffff88802f5da9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 67.747774][ T665] other info that might help us debug this: [ 67.753686][ T665] context-{4:4} [ 67.757143][ T665] 4 locks held by kworker/u4:5/665: [ 67.762322][ T665] #0: ffff888013f18938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 67.772494][ T665] #1: ffffc900031dfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 67.783715][ T665] #2: ffff888035c68d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 67.793203][ T665] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 67.803128][ T665] stack backtrace: [ 67.806852][ T665] CPU: 1 PID: 665 Comm: kworker/u4:5 Tainted: G W 5.10.0-rc2-syzkaller #0 2020/11/12 17:42:51 building call list... [ 67.816647][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.826706][ T665] Workqueue: phy3 ieee80211_iface_work [ 67.832155][ T665] Call Trace: [ 67.835446][ T665] dump_stack+0x107/0x163 [ 67.839775][ T665] __lock_acquire.cold+0x310/0x3a2 [ 67.844893][ T665] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.850868][ T665] ? find_held_lock+0x2d/0x110 [ 67.855656][ T665] lock_acquire+0x2a3/0x8c0 [ 67.860161][ T665] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.866140][ T665] ? lock_release+0x710/0x710 [ 67.870823][ T665] __mutex_lock+0x134/0x10e0 [ 67.875411][ T665] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.881423][ T665] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.887405][ T665] ? mutex_lock_io_nested+0xf60/0xf60 [ 67.892796][ T665] ? ieee80211_clear_fast_rx+0x58/0x80 [ 67.898264][ T665] ? mark_held_locks+0x9f/0xe0 [ 67.903058][ T665] ieee80211_recalc_min_chandef+0x49/0x140 [ 67.908867][ T665] sta_info_move_state+0x3cf/0x8d0 [ 67.913984][ T665] sta_info_free+0x65/0x3b0 [ 67.918496][ T665] sta_info_insert_rcu+0x303/0x2ba0 [ 67.923705][ T665] ? find_held_lock+0x2d/0x110 [ 67.928478][ T665] ? rate_control_rate_init+0x32c/0x6a0 [ 67.934022][ T665] ? sta_info_free+0x3b0/0x3b0 [ 67.938824][ T665] ? __local_bh_enable_ip+0x9c/0x110 [ 67.944118][ T665] ? rate_control_rate_init+0x35f/0x6a0 [ 67.949700][ T665] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.955346][ T665] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.961407][ T665] ? __local_bh_enable_ip+0x9c/0x110 [ 67.966698][ T665] ieee80211_ibss_work+0x2c7/0xe80 [ 67.971810][ T665] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.978163][ T665] ? mark_held_locks+0x9f/0xe0 [ 67.982926][ T665] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.988727][ T665] ? lockdep_hardirqs_on+0x79/0x100 [ 67.993924][ T665] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.999725][ T665] ieee80211_iface_work+0x82e/0x970 [ 68.004928][ T665] process_one_work+0x933/0x15a0 [ 68.009863][ T665] ? lock_release+0x710/0x710 [ 68.014534][ T665] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.019915][ T665] ? rwlock_bug.part.0+0x90/0x90 [ 68.024859][ T665] ? _raw_spin_lock_irq+0x41/0x50 [ 68.029917][ T665] worker_thread+0x64c/0x1120 [ 68.034591][ T665] ? process_one_work+0x15a0/0x15a0 [ 68.039787][ T665] kthread+0x3af/0x4a0 [ 68.043878][ T665] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.049777][ T665] ret_from_fork+0x1f/0x30 [ 68.056459][ T17] Bluetooth: hci0: command 0x0409 tx timeout [ 68.220747][ T665] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.309045][ T665] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.379872][ T665] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.471023][ T665] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.755964][ T665] device hsr_slave_0 left promiscuous mode [ 69.772065][ T665] device hsr_slave_1 left promiscuous mode [ 69.779587][ T665] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.787300][ T665] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.795684][ T665] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.803064][ T665] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.812205][ T665] device bridge_slave_1 left promiscuous mode [ 69.818834][ T665] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.827068][ T665] device bridge_slave_0 left promiscuous mode [ 69.833236][ T665] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.843701][ T665] device veth1_macvtap left promiscuous mode [ 69.849879][ T665] device veth0_macvtap left promiscuous mode [ 69.856306][ T665] device veth1_vlan left promiscuous mode [ 69.862053][ T665] device veth0_vlan left promiscuous mode executing program [ 70.877852][ T665] team0 (unregistering): Port device team_slave_1 removed [ 70.888948][ T665] team0 (unregistering): Port device team_slave_0 removed [ 70.899263][ T665] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.910428][ T665] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.938744][ T665] bond0 (unregistering): Released all slaves [ 71.020212][ T8495] can: request_module (can-proto-0) failed. [ 71.400939][ T8495] can: request_module (can-proto-0) failed. [ 71.410908][ T8495] can: request_module (can-proto-0) failed.