Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. 2020/11/21 05:50:58 fuzzer started 2020/11/21 05:50:58 connecting to host at 10.128.0.26:39513 2020/11/21 05:50:58 checking machine... 2020/11/21 05:50:58 checking revisions... 2020/11/21 05:50:58 testing simple program... syzkaller login: [ 66.741273][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 66.912490][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 66.969868][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.977785][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.986568][ T8498] device bridge_slave_0 entered promiscuous mode [ 66.996374][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.004159][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.012357][ T8498] device bridge_slave_1 entered promiscuous mode [ 67.033843][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.045916][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.072638][ T8498] team0: Port device team_slave_0 added [ 67.080664][ T8498] team0: Port device team_slave_1 added [ 67.098485][ T8498] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.105650][ T8498] 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. [ 67.132981][ T8498] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.146202][ T8498] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.153362][ T8498] 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. [ 67.181541][ T8498] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.210281][ T8498] device hsr_slave_0 entered promiscuous mode [ 67.217076][ T8498] device hsr_slave_1 entered promiscuous mode [ 67.318391][ T8498] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.329052][ T8498] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.341212][ T8498] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.352411][ T8498] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.379599][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.386846][ T8498] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.395362][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.402777][ T8498] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.453331][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.468100][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.482099][ T3159] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.491087][ T3159] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.498960][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.512728][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.525502][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.534884][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.542039][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.560302][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.568684][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.575821][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.591737][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.601752][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.614006][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.632824][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.642974][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.654767][ T8498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.674039][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.682769][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.696247][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.716661][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.739527][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.749163][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.758130][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.769465][ T8498] device veth0_vlan entered promiscuous mode [ 67.783533][ T8498] device veth1_vlan entered promiscuous mode [ 67.807101][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.816698][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.825283][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.836596][ T8498] device veth0_macvtap entered promiscuous mode [ 67.848016][ T8498] device veth1_macvtap entered promiscuous mode [ 67.867924][ T8498] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.876642][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.886489][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.900839][ T8498] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.908230][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.918957][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.933849][ T8498] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.943089][ T8498] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.951952][ T8498] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.961173][ T8498] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.044059][ T280] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.078296][ T280] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.092174][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.103486][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.116535][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.130407][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 68.155118][ T311] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 68.166509][ T311] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 311, name: kworker/u4:6 [ 68.177794][ T311] 4 locks held by kworker/u4:6/311: [ 68.184139][ T311] #0: ffff88801c98d138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 68.203395][ T311] #1: ffffc9000161fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 68.216343][ T311] #2: ffff88801bfd8d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 68.227375][ T311] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 68.240317][ T311] Preemption disabled at: [ 68.240347][ T311] [] __mutex_lock+0x10f/0x10e0 [ 68.254597][ T311] CPU: 1 PID: 311 Comm: kworker/u4:6 Not tainted 5.10.0-rc3-syzkaller #0 [ 68.263127][ T311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.273208][ T311] Workqueue: phy4 ieee80211_iface_work [ 68.278950][ T311] Call Trace: [ 68.282350][ T311] dump_stack+0x107/0x163 [ 68.286704][ T311] ? __mutex_lock+0x10f/0x10e0 [ 68.291499][ T311] ___might_sleep.cold+0x1e8/0x22e [ 68.296726][ T311] sta_info_move_state+0x32/0x8d0 [ 68.301771][ T311] sta_info_free+0x65/0x3b0 [ 68.306312][ T311] sta_info_insert_rcu+0x303/0x2ba0 [ 68.311526][ T311] ? find_held_lock+0x2d/0x110 [ 68.316403][ T311] ? rate_control_rate_init+0x32c/0x6a0 [ 68.322288][ T311] ? sta_info_free+0x3b0/0x3b0 [ 68.327067][ T311] ? __local_bh_enable_ip+0x9c/0x110 [ 68.332372][ T311] ? rate_control_rate_init+0x35f/0x6a0 [ 68.337943][ T311] ieee80211_ibss_finish_sta+0x212/0x390 [ 68.343597][ T311] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 68.349873][ T311] ? __local_bh_enable_ip+0x9c/0x110 executing program [ 68.355192][ T311] ieee80211_ibss_work+0x2c7/0xe80 [ 68.360344][ T311] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 68.366818][ T311] ? mark_held_locks+0x9f/0xe0 [ 68.371697][ T311] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 68.377554][ T311] ? lockdep_hardirqs_on+0x79/0x100 [ 68.382782][ T311] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.388619][ T311] ieee80211_iface_work+0x91f/0xa90 [ 68.393962][ T311] process_one_work+0x933/0x15a0 [ 68.398892][ T311] ? lock_release+0x710/0x710 [ 68.403551][ T311] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.408939][ T311] ? rwlock_bug.part.0+0x90/0x90 [ 68.413921][ T311] ? _raw_spin_lock_irq+0x41/0x50 [ 68.418936][ T311] worker_thread+0x64c/0x1120 [ 68.423744][ T311] ? __kthread_parkme+0x13f/0x1e0 [ 68.428764][ T311] ? process_one_work+0x15a0/0x15a0 [ 68.434052][ T311] kthread+0x3af/0x4a0 [ 68.439408][ T311] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.445309][ T311] ret_from_fork+0x1f/0x30 2020/11/21 05:51:01 building call list... [ 68.473932][ T311] [ 68.476290][ T311] ============================= [ 68.481391][ T311] [ BUG: Invalid wait context ] [ 68.486265][ T311] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 68.493019][ T311] ----------------------------- [ 68.497873][ T311] kworker/u4:6/311 is trying to lock: [ 68.503253][ T311] ffff88801b32a9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 68.513867][ T311] other info that might help us debug this: [ 68.520984][ T311] context-{4:4} [ 68.524444][ T311] 4 locks held by kworker/u4:6/311: [ 68.529630][ T311] #0: ffff88801c98d138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 68.540077][ T311] #1: ffffc9000161fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 68.551300][ T311] #2: ffff88801bfd8d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 68.560976][ T311] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 68.571094][ T311] stack backtrace: [ 68.574811][ T311] CPU: 1 PID: 311 Comm: kworker/u4:6 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 68.584596][ T311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.594668][ T311] Workqueue: phy4 ieee80211_iface_work [ 68.600133][ T311] Call Trace: [ 68.603418][ T311] dump_stack+0x107/0x163 [ 68.607766][ T311] __lock_acquire.cold+0x310/0x3a2 [ 68.612877][ T311] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.620663][ T311] ? find_held_lock+0x2d/0x110 [ 68.625441][ T311] lock_acquire+0x2a3/0x8c0 [ 68.630119][ T311] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.636179][ T311] ? lock_release+0x710/0x710 [ 68.640863][ T311] __mutex_lock+0x134/0x10e0 [ 68.645630][ T311] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.651612][ T311] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.657588][ T311] ? mutex_lock_io_nested+0xf60/0xf60 [ 68.662970][ T311] ? ieee80211_clear_fast_rx+0x58/0x80 [ 68.668534][ T311] ? mark_held_locks+0x9f/0xe0 [ 68.674268][ T311] ieee80211_recalc_min_chandef+0x49/0x140 [ 68.680092][ T311] sta_info_move_state+0x3cf/0x8d0 [ 68.685217][ T311] sta_info_free+0x65/0x3b0 [ 68.689732][ T311] sta_info_insert_rcu+0x303/0x2ba0 [ 68.695412][ T311] ? find_held_lock+0x2d/0x110 [ 68.700364][ T311] ? rate_control_rate_init+0x32c/0x6a0 [ 68.705991][ T311] ? sta_info_free+0x3b0/0x3b0 [ 68.710847][ T311] ? __local_bh_enable_ip+0x9c/0x110 [ 68.716128][ T311] ? rate_control_rate_init+0x35f/0x6a0 [ 68.721669][ T311] ieee80211_ibss_finish_sta+0x212/0x390 [ 68.727302][ T311] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 68.733469][ T311] ? __local_bh_enable_ip+0x9c/0x110 [ 68.738772][ T311] ieee80211_ibss_work+0x2c7/0xe80 [ 68.743896][ T311] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 68.750222][ T311] ? mark_held_locks+0x9f/0xe0 [ 68.754979][ T311] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 68.760784][ T311] ? lockdep_hardirqs_on+0x79/0x100 [ 68.765978][ T311] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.771792][ T311] ieee80211_iface_work+0x91f/0xa90 [ 68.776984][ T311] process_one_work+0x933/0x15a0 [ 68.782445][ T311] ? lock_release+0x710/0x710 [ 68.787117][ T311] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.792486][ T311] ? rwlock_bug.part.0+0x90/0x90 [ 68.797418][ T311] ? _raw_spin_lock_irq+0x41/0x50 [ 68.802435][ T311] worker_thread+0x64c/0x1120 [ 68.807111][ T311] ? __kthread_parkme+0x13f/0x1e0 [ 68.812241][ T311] ? process_one_work+0x15a0/0x15a0 [ 68.817435][ T311] kthread+0x3af/0x4a0 [ 68.821500][ T311] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.827388][ T311] ret_from_fork+0x1f/0x30 [ 68.833913][ T8718] Bluetooth: hci0: command 0x0409 tx timeout [ 69.018692][ T311] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.105755][ T311] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.185598][ T311] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.272379][ T311] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.520993][ T311] device hsr_slave_0 left promiscuous mode [ 70.530159][ T311] device hsr_slave_1 left promiscuous mode [ 70.541877][ T311] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.550715][ T311] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.560499][ T311] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.567912][ T311] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.576915][ T311] device bridge_slave_1 left promiscuous mode [ 70.583285][ T311] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.592241][ T311] device bridge_slave_0 left promiscuous mode [ 70.598474][ T311] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.610065][ T311] device veth1_macvtap left promiscuous mode [ 70.616098][ T311] device veth0_macvtap left promiscuous mode [ 70.622856][ T311] device veth1_vlan left promiscuous mode [ 70.629209][ T311] device veth0_vlan left promiscuous mode executing program [ 71.538000][ T311] team0 (unregistering): Port device team_slave_1 removed [ 71.550002][ T311] team0 (unregistering): Port device team_slave_0 removed [ 71.559436][ T311] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.570588][ T311] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.597608][ T311] bond0 (unregistering): Released all slaves [ 71.674199][ T8483] can: request_module (can-proto-0) failed. [ 72.085875][ T8483] can: request_module (can-proto-0) failed. [ 72.095652][ T8483] can: request_module (can-proto-0) failed. [ 72.244673][ T8483] base_sock_release(0000000023500416) sk=000000003d844a88