Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. 2020/11/18 20:46:28 fuzzer started 2020/11/18 20:46:28 connecting to host at 10.128.0.26:41977 2020/11/18 20:46:28 checking machine... 2020/11/18 20:46:28 checking revisions... 2020/11/18 20:46:28 testing simple program... syzkaller login: [ 66.598749][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 66.766592][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 66.824859][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.833532][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.843711][ T8500] device bridge_slave_0 entered promiscuous mode [ 66.854389][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.862475][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.870684][ T8500] device bridge_slave_1 entered promiscuous mode [ 66.894284][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.906280][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.932140][ T8500] team0: Port device team_slave_0 added [ 66.941920][ T8500] team0: Port device team_slave_1 added [ 66.960310][ T8500] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.968212][ T8500] 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. [ 66.996623][ T8500] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.010648][ T8500] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.018391][ T8500] 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. [ 67.047726][ T8500] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.077212][ T8500] device hsr_slave_0 entered promiscuous mode [ 67.085389][ T8500] device hsr_slave_1 entered promiscuous mode [ 67.192296][ T8500] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.205713][ T8500] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.215321][ T8500] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.226409][ T8500] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.252803][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.260073][ T8500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.268837][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.276598][ T8500] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.326396][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.343375][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.358286][ T2998] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.368314][ T2998] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.378142][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.394938][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.408590][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.419212][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.427108][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.452264][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.463246][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.470460][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.479952][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.494794][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.503704][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.518225][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.533117][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.547247][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.568971][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.577097][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.593382][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.614927][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.637415][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.647095][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.656663][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.669607][ T8500] device veth0_vlan entered promiscuous mode [ 67.683472][ T8500] device veth1_vlan entered promiscuous mode [ 67.707461][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.716590][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.727669][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.743141][ T8500] device veth0_macvtap entered promiscuous mode [ 67.755485][ T8500] device veth1_macvtap entered promiscuous mode [ 67.776296][ T8500] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.785727][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.796831][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.809979][ T8500] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.818302][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.827664][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.841941][ T8500] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.851362][ T8500] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.862071][ T8500] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.871590][ T8500] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.968909][ T301] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.977300][ T301] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.005789][ T169] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.009679][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.021469][ T169] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.031080][ T3082] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 68.084771][ T26] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 68.097704][ T26] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 26, name: kworker/u4:2 2020/11/18 20:46:31 building call list... [ 68.126899][ T26] 4 locks held by kworker/u4:2/26: [ 68.135177][ T26] #0: ffff888030957938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 68.177617][ T26] #1: ffffc90000e1fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 68.206745][ T26] #2: ffff88801bd70d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 68.230746][ T26] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 68.256936][ T26] Preemption disabled at: [ 68.256967][ T26] [] __mutex_lock+0x10f/0x10e0 [ 68.270031][ T26] CPU: 1 PID: 26 Comm: kworker/u4:2 Not tainted 5.10.0-rc4-syzkaller #0 [ 68.278479][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.288573][ T26] Workqueue: phy3 ieee80211_iface_work [ 68.294067][ T26] Call Trace: [ 68.297525][ T26] dump_stack+0x107/0x163 [ 68.301874][ T26] ? __mutex_lock+0x10f/0x10e0 [ 68.306853][ T26] ___might_sleep.cold+0x1e8/0x22e [ 68.311990][ T26] sta_info_move_state+0x32/0x8d0 [ 68.317150][ T26] sta_info_free+0x65/0x3b0 [ 68.321773][ T26] sta_info_insert_rcu+0x303/0x2ba0 [ 68.326997][ T26] ? find_held_lock+0x2d/0x110 [ 68.332001][ T26] ? rate_control_rate_init+0x32c/0x6a0 [ 68.337654][ T26] ? sta_info_free+0x3b0/0x3b0 [ 68.342652][ T26] ? __local_bh_enable_ip+0x9c/0x110 [ 68.348585][ T26] ? rate_control_rate_init+0x35f/0x6a0 [ 68.354513][ T26] ieee80211_ibss_finish_sta+0x212/0x390 [ 68.360627][ T26] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 68.367261][ T26] ? __local_bh_enable_ip+0x9c/0x110 [ 68.372663][ T26] ieee80211_ibss_work+0x2c7/0xe80 [ 68.377935][ T26] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 68.384429][ T26] ? mark_held_locks+0x9f/0xe0 [ 68.389360][ T26] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 68.395192][ T26] ? lockdep_hardirqs_on+0x79/0x100 [ 68.400865][ T26] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.406980][ T26] ieee80211_iface_work+0x82e/0x970 [ 68.412447][ T26] process_one_work+0x933/0x15a0 [ 68.417938][ T26] ? lock_release+0x710/0x710 [ 68.422778][ T26] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.428679][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 68.433924][ T26] ? _raw_spin_lock_irq+0x41/0x50 [ 68.439415][ T26] worker_thread+0x64c/0x1120 [ 68.444580][ T26] ? process_one_work+0x15a0/0x15a0 [ 68.450873][ T26] kthread+0x3af/0x4a0 [ 68.456881][ T26] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.463206][ T26] ret_from_fork+0x1f/0x30 [ 68.482014][ T26] [ 68.484642][ T26] ============================= [ 68.489779][ T26] [ BUG: Invalid wait context ] [ 68.495303][ T26] 5.10.0-rc4-syzkaller #0 Tainted: G W [ 68.502430][ T26] ----------------------------- [ 68.507376][ T26] kworker/u4:2/26 is trying to lock: [ 68.513588][ T26] ffff888018b229d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 68.524562][ T26] other info that might help us debug this: [ 68.530856][ T26] context-{4:4} [ 68.534340][ T26] 4 locks held by kworker/u4:2/26: [ 68.539445][ T26] #0: ffff888030957938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 68.550267][ T26] #1: ffffc90000e1fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 68.563841][ T26] #2: ffff88801bd70d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 68.573543][ T26] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 68.583797][ T26] stack backtrace: [ 68.587970][ T26] CPU: 1 PID: 26 Comm: kworker/u4:2 Tainted: G W 5.10.0-rc4-syzkaller #0 [ 68.598246][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.608886][ T26] Workqueue: phy3 ieee80211_iface_work [ 68.614553][ T26] Call Trace: [ 68.617884][ T26] dump_stack+0x107/0x163 [ 68.622882][ T26] __lock_acquire.cold+0x1d6/0x39f [ 68.628468][ T26] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.634479][ T26] ? find_held_lock+0x2d/0x110 [ 68.639259][ T26] lock_acquire+0x2a3/0x8c0 [ 68.644136][ T26] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.650710][ T26] ? lock_release+0x710/0x710 [ 68.655739][ T26] __mutex_lock+0x134/0x10e0 [ 68.660767][ T26] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.667450][ T26] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 68.673658][ T26] ? mutex_lock_io_nested+0xf60/0xf60 [ 68.682375][ T26] ? ieee80211_clear_fast_rx+0x58/0x80 [ 68.688381][ T26] ? mark_held_locks+0x9f/0xe0 [ 68.693293][ T26] ieee80211_recalc_min_chandef+0x49/0x140 [ 68.699108][ T26] sta_info_move_state+0x3cf/0x8d0 [ 68.704229][ T26] sta_info_free+0x65/0x3b0 [ 68.708832][ T26] sta_info_insert_rcu+0x303/0x2ba0 [ 68.714335][ T26] ? find_held_lock+0x2d/0x110 [ 68.721561][ T26] ? rate_control_rate_init+0x32c/0x6a0 [ 68.727189][ T26] ? sta_info_free+0x3b0/0x3b0 [ 68.732523][ T26] ? __local_bh_enable_ip+0x9c/0x110 [ 68.738035][ T26] ? rate_control_rate_init+0x35f/0x6a0 [ 68.743592][ T26] ieee80211_ibss_finish_sta+0x212/0x390 [ 68.749607][ T26] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 68.756079][ T26] ? __local_bh_enable_ip+0x9c/0x110 [ 68.761700][ T26] ieee80211_ibss_work+0x2c7/0xe80 [ 68.767184][ T26] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 68.773803][ T26] ? mark_held_locks+0x9f/0xe0 [ 68.778969][ T26] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 68.784907][ T26] ? lockdep_hardirqs_on+0x79/0x100 [ 68.790208][ T26] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.797336][ T26] ieee80211_iface_work+0x82e/0x970 [ 68.802817][ T26] process_one_work+0x933/0x15a0 [ 68.808122][ T26] ? lock_release+0x710/0x710 [ 68.812890][ T26] ? pwq_dec_nr_in_flight+0x320/0x320 [ 68.818342][ T26] ? rwlock_bug.part.0+0x90/0x90 [ 68.823289][ T26] ? _raw_spin_lock_irq+0x41/0x50 [ 68.828826][ T26] worker_thread+0x64c/0x1120 [ 68.833518][ T26] ? process_one_work+0x15a0/0x15a0 [ 68.838896][ T26] kthread+0x3af/0x4a0 [ 68.843276][ T26] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.850050][ T26] ret_from_fork+0x1f/0x30 [ 68.857114][ T2998] Bluetooth: hci0: command 0x0409 tx timeout [ 69.077731][ T169] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.174988][ T169] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.267743][ T169] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.368035][ T169] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.621665][ T169] device hsr_slave_0 left promiscuous mode [ 70.637886][ T169] device hsr_slave_1 left promiscuous mode [ 70.645524][ T169] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.653878][ T169] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.663747][ T169] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.671892][ T8485] can: request_module (can-proto-0) failed. [ 70.678945][ T169] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.687237][ T169] device bridge_slave_1 left promiscuous mode [ 70.695622][ T169] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.704818][ T169] device bridge_slave_0 left promiscuous mode [ 70.711340][ T169] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.720454][ T169] device veth1_macvtap left promiscuous mode [ 70.727563][ T169] device veth0_macvtap left promiscuous mode [ 70.734168][ T169] device veth1_vlan left promiscuous mode [ 70.740606][ T169] device veth0_vlan left promiscuous mode executing program [ 71.624363][ T169] team0 (unregistering): Port device team_slave_1 removed [ 71.636945][ T169] team0 (unregistering): Port device team_slave_0 removed [ 71.650079][ T169] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.664547][ T169] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.693260][ T169] bond0 (unregistering): Released all slaves [ 72.163361][ T8485] can: request_module (can-proto-0) failed. [ 72.174815][ T8485] can: request_module (can-proto-0) failed.