Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. 2020/11/12 19:32:10 fuzzer started 2020/11/12 19:32:10 connecting to host at 10.128.0.26:39881 2020/11/12 19:32:10 checking machine... 2020/11/12 19:32:10 checking revisions... 2020/11/12 19:32:11 testing simple program... syzkaller login: [ 64.874632][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 65.021684][ T8491] chnl_net:caif_netlink_parms(): no params data found [ 65.076822][ T8491] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.084691][ T8491] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.094980][ T8491] device bridge_slave_0 entered promiscuous mode [ 65.105080][ T8491] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.112726][ T8491] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.120562][ T8491] device bridge_slave_1 entered promiscuous mode [ 65.142306][ T8491] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.154706][ T8491] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.178109][ T8491] team0: Port device team_slave_0 added [ 65.186294][ T8491] team0: Port device team_slave_1 added [ 65.204290][ T8491] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.211243][ T8491] 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. [ 65.237360][ T8491] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.250392][ T8491] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.257513][ T8491] 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. [ 65.283679][ T8491] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.311632][ T8491] device hsr_slave_0 entered promiscuous mode [ 65.318832][ T8491] device hsr_slave_1 entered promiscuous mode [ 65.423073][ T8491] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.433654][ T8491] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.444088][ T8491] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.453330][ T8491] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.479727][ T8491] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.486990][ T8491] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.495304][ T8491] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.502492][ T8491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.551008][ T8491] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.566096][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.577590][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.586593][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.594851][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.608312][ T8491] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.620709][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.630419][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.637568][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.663806][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.673467][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.680505][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.689223][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.698913][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.715143][ T8491] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.726283][ T8491] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.739770][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.748132][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.757119][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.770511][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.791288][ T8491] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.800504][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.808338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.834978][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.848724][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.857970][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.866748][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.877932][ T8491] device veth0_vlan entered promiscuous mode [ 65.890887][ T8491] device veth1_vlan entered promiscuous mode [ 65.913897][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.923615][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.931665][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.944640][ T8491] device veth0_macvtap entered promiscuous mode [ 65.956066][ T8491] device veth1_macvtap entered promiscuous mode [ 65.974857][ T8491] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.982976][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.993784][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.005067][ T8491] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.013778][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.023722][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.035802][ T8491] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.045065][ T8491] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.056409][ T8491] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.066080][ T8491] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.145537][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.164556][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.186061][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 66.209189][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.225182][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.234381][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.282467][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 66.311830][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 66.320868][ T21] 4 locks held by kworker/u4:1/21: [ 66.328604][ T21] #0: ffff88801c7d8138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.340566][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.354857][ T21] #2: ffff888022f5cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.382099][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.395403][ T21] Preemption disabled at: [ 66.395433][ T21] [] __mutex_lock+0x10f/0x10e0 [ 66.432051][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0 [ 66.440392][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.450499][ T21] Workqueue: phy3 ieee80211_iface_work [ 66.455967][ T21] Call Trace: [ 66.459264][ T21] dump_stack+0x107/0x163 [ 66.463608][ T21] ? __mutex_lock+0x10f/0x10e0 [ 66.468393][ T21] ___might_sleep.cold+0x1e8/0x22e [ 66.473517][ T21] sta_info_move_state+0x32/0x8d0 [ 66.478559][ T21] sta_info_free+0x65/0x3b0 [ 66.483090][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 66.488302][ T21] ? find_held_lock+0x2d/0x110 [ 66.493093][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 66.498658][ T21] ? sta_info_free+0x3b0/0x3b0 [ 66.503434][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.508737][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 66.514302][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.520029][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.526100][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.531391][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 66.536499][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.542824][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.547583][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.553391][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 66.558601][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.564397][ T21] ieee80211_iface_work+0x82e/0x970 [ 66.569589][ T21] process_one_work+0x933/0x15a0 [ 66.574520][ T21] ? lock_release+0x710/0x710 2020/11/12 19:32:14 building call list... [ 66.579182][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.584543][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 66.589465][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 66.594492][ T21] worker_thread+0x64c/0x1120 [ 66.599166][ T21] ? process_one_work+0x15a0/0x15a0 [ 66.604449][ T21] kthread+0x3af/0x4a0 [ 66.608508][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.614485][ T21] ret_from_fork+0x1f/0x30 [ 66.644227][ T21] [ 66.646574][ T21] ============================= [ 66.651411][ T21] [ BUG: Invalid wait context ] [ 66.656784][ T21] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 66.663531][ T21] ----------------------------- [ 66.668368][ T21] kworker/u4:1/21 is trying to lock: [ 66.673640][ T21] ffff88802f79a9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 66.684247][ T21] other info that might help us debug this: [ 66.690124][ T21] context-{4:4} [ 66.693586][ T21] 4 locks held by kworker/u4:1/21: [ 66.698690][ T21] #0: ffff88801c7d8138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.708871][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.720095][ T21] #2: ffff888022f5cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.729587][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.739513][ T21] stack backtrace: [ 66.743240][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 66.752942][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.763003][ T21] Workqueue: phy3 ieee80211_iface_work [ 66.768459][ T21] Call Trace: [ 66.771747][ T21] dump_stack+0x107/0x163 [ 66.776069][ T21] __lock_acquire.cold+0x310/0x3a2 [ 66.781179][ T21] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.787148][ T21] ? find_held_lock+0x2d/0x110 [ 66.791906][ T21] lock_acquire+0x2a3/0x8c0 [ 66.796402][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.802377][ T21] ? lock_release+0x710/0x710 [ 66.808093][ T21] __mutex_lock+0x134/0x10e0 [ 66.812678][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.818648][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.824627][ T21] ? mutex_lock_io_nested+0xf60/0xf60 [ 66.829993][ T21] ? ieee80211_clear_fast_rx+0x58/0x80 [ 66.835450][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.840209][ T21] ieee80211_recalc_min_chandef+0x49/0x140 [ 66.846027][ T21] sta_info_move_state+0x3cf/0x8d0 [ 66.851150][ T21] sta_info_free+0x65/0x3b0 [ 66.855659][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 66.860857][ T21] ? find_held_lock+0x2d/0x110 [ 66.865619][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 66.871161][ T21] ? sta_info_free+0x3b0/0x3b0 [ 66.875917][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.881195][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 66.886733][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.892372][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.898440][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.903718][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 66.908824][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.915151][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.919907][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.925705][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 66.930897][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.936700][ T21] ieee80211_iface_work+0x82e/0x970 [ 66.941892][ T21] process_one_work+0x933/0x15a0 [ 66.946828][ T21] ? lock_release+0x710/0x710 [ 66.951494][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.956856][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 66.961784][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 66.966800][ T21] worker_thread+0x64c/0x1120 [ 66.971471][ T21] ? process_one_work+0x15a0/0x15a0 [ 66.976661][ T21] kthread+0x3af/0x4a0 [ 66.980724][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.986610][ T21] ret_from_fork+0x1f/0x30 [ 67.001900][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 67.206558][ T21] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.286938][ T21] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.368700][ T21] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.473928][ T21] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.700380][ T21] device hsr_slave_0 left promiscuous mode [ 68.710494][ T21] device hsr_slave_1 left promiscuous mode [ 68.752111][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 68.759508][ T21] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 68.769402][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 68.777725][ T21] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 68.786691][ T21] device bridge_slave_1 left promiscuous mode [ 68.793548][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.802289][ T21] device bridge_slave_0 left promiscuous mode [ 68.808564][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.834797][ T21] device veth1_macvtap left promiscuous mode [ 68.840835][ T21] device veth0_macvtap left promiscuous mode [ 68.847570][ T21] device veth1_vlan left promiscuous mode [ 68.853611][ T21] device veth0_vlan left promiscuous mode executing program [ 69.795280][ T21] team0 (unregistering): Port device team_slave_1 removed [ 69.804723][ T21] team0 (unregistering): Port device team_slave_0 removed [ 69.816657][ T21] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.827893][ T21] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.854525][ T21] bond0 (unregistering): Released all slaves [ 69.924120][ T8463] can: request_module (can-proto-0) failed. [ 70.303463][ T8463] can: request_module (can-proto-0) failed. [ 70.313819][ T8463] can: request_module (can-proto-0) failed.