Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. 2020/11/25 06:04:35 fuzzer started 2020/11/25 06:04:35 connecting to host at 10.128.0.26:41259 2020/11/25 06:04:35 checking machine... 2020/11/25 06:04:35 checking revisions... 2020/11/25 06:04:35 testing simple program... syzkaller login: [ 64.471004][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 64.653665][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 64.707156][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.714885][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.723678][ T8472] device bridge_slave_0 entered promiscuous mode [ 64.733970][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.742321][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.750671][ T8472] device bridge_slave_1 entered promiscuous mode [ 64.771527][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.782598][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.806726][ T8472] team0: Port device team_slave_0 added [ 64.814127][ T8472] team0: Port device team_slave_1 added [ 64.834242][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.841738][ T8472] 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. [ 64.867698][ T8472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.880875][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.887981][ T8472] 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. [ 64.914137][ T8472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.942426][ T8472] device hsr_slave_0 entered promiscuous mode [ 64.949506][ T8472] device hsr_slave_1 entered promiscuous mode [ 65.054895][ T8472] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.066173][ T8472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.076811][ T8472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.087395][ T8472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.115018][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.122229][ T8472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.130405][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.137639][ T8472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.188296][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.204170][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.215417][ T8691] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.224747][ T8691] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.233369][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.246746][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.259503][ T8434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.269087][ T8434] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.276191][ T8434] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.298207][ T8434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.306510][ T8434] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.313684][ T8434] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.323460][ T8434] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.343408][ T8472] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.354416][ T8472] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.370581][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.378933][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.387377][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.397772][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.407266][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.427838][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.435256][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.447088][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.480901][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.489868][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.500046][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.508822][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.518468][ T8472] device veth0_vlan entered promiscuous mode [ 65.532171][ T8472] device veth1_vlan entered promiscuous mode [ 65.555191][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.563549][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.573365][ T8691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.585361][ T8472] device veth0_macvtap entered promiscuous mode [ 65.596658][ T8472] device veth1_macvtap entered promiscuous mode [ 65.616472][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.624434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.634785][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.646617][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.655046][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.664891][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.676648][ T8472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.685894][ T8472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.703531][ T8472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.712466][ T8472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.802201][ T8411] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.826670][ T8411] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.840755][ T3395] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.847507][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.850328][ T3395] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.865057][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.911280][ T91] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 65.921889][ T91] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 91, name: kworker/u4:3 [ 65.947388][ T91] 4 locks held by kworker/u4:3/91: 2020/11/25 06:04:38 building call list... [ 65.952534][ T91] #0: ffff8880183ef138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 65.965902][ T91] #1: ffffc900010dfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 65.978296][ T91] #2: ffff88801a994d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.003751][ T91] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.038755][ T91] Preemption disabled at: [ 66.038785][ T91] [] __mutex_lock+0x10f/0x10e0 [ 66.067596][ T91] CPU: 0 PID: 91 Comm: kworker/u4:3 Not tainted 5.10.0-rc3-syzkaller #0 [ 66.075957][ T91] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.086475][ T91] Workqueue: phy3 ieee80211_iface_work [ 66.091944][ T91] Call Trace: [ 66.095237][ T91] dump_stack+0x107/0x163 [ 66.099583][ T91] ? __mutex_lock+0x10f/0x10e0 [ 66.104356][ T91] ___might_sleep.cold+0x1e8/0x22e [ 66.109486][ T91] sta_info_move_state+0x32/0x8d0 [ 66.114522][ T91] sta_info_free+0x65/0x3b0 [ 66.119038][ T91] sta_info_insert_rcu+0x303/0x2ba0 [ 66.124250][ T91] ? find_held_lock+0x2d/0x110 [ 66.129024][ T91] ? rate_control_rate_init+0x32c/0x6a0 [ 66.134577][ T91] ? sta_info_free+0x3b0/0x3b0 [ 66.139356][ T91] ? __local_bh_enable_ip+0x9c/0x110 [ 66.144772][ T91] ? rate_control_rate_init+0x35f/0x6a0 [ 66.150520][ T91] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.156186][ T91] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.162277][ T91] ? __local_bh_enable_ip+0x9c/0x110 [ 66.167575][ T91] ieee80211_ibss_work+0x2c7/0xe80 [ 66.172713][ T91] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.179060][ T91] ? mark_held_locks+0x9f/0xe0 [ 66.183833][ T91] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.189677][ T91] ? lockdep_hardirqs_on+0x79/0x100 [ 66.194881][ T91] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.200720][ T91] ieee80211_iface_work+0x91f/0xa90 [ 66.205933][ T91] process_one_work+0x933/0x15a0 [ 66.210890][ T91] ? lock_release+0x710/0x710 [ 66.215572][ T91] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.220950][ T91] ? rwlock_bug.part.0+0x90/0x90 [ 66.225900][ T91] ? _raw_spin_lock_irq+0x41/0x50 [ 66.230951][ T91] worker_thread+0x64c/0x1120 executing program [ 66.235658][ T91] ? process_one_work+0x15a0/0x15a0 [ 66.240873][ T91] kthread+0x3af/0x4a0 [ 66.244954][ T91] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.250861][ T91] ret_from_fork+0x1f/0x30 [ 66.262258][ T91] [ 66.264612][ T91] ============================= [ 66.269466][ T91] [ BUG: Invalid wait context ] [ 66.274307][ T91] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 66.281137][ T91] ----------------------------- [ 66.285979][ T91] kworker/u4:3/91 is trying to lock: [ 66.291249][ T91] ffff88801c27a9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 66.301853][ T91] other info that might help us debug this: [ 66.307729][ T91] context-{4:4} [ 66.311179][ T91] 4 locks held by kworker/u4:3/91: [ 66.316271][ T91] #0: ffff8880183ef138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.326455][ T91] #1: ffffc900010dfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.337754][ T91] #2: ffff88801a994d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.347227][ T91] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.357129][ T91] stack backtrace: [ 66.360844][ T91] CPU: 0 PID: 91 Comm: kworker/u4:3 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 66.370541][ T91] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.380616][ T91] Workqueue: phy3 ieee80211_iface_work [ 66.386063][ T91] Call Trace: [ 66.389355][ T91] dump_stack+0x107/0x163 [ 66.393678][ T91] __lock_acquire.cold+0x310/0x3a2 [ 66.398783][ T91] ? __percpu_down_read+0x83/0x120 [ 66.403897][ T91] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.409874][ T91] lock_acquire+0x2a3/0x8c0 [ 66.414400][ T91] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.420376][ T91] ? lock_release+0x710/0x710 [ 66.425050][ T91] __mutex_lock+0x134/0x10e0 [ 66.429632][ T91] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.435612][ T91] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.441587][ T91] ? mutex_lock_io_nested+0xf60/0xf60 [ 66.446950][ T91] ? ieee80211_clear_fast_rx+0x58/0x80 [ 66.452400][ T91] ? mark_held_locks+0x9f/0xe0 [ 66.457158][ T91] ieee80211_recalc_min_chandef+0x49/0x140 [ 66.462952][ T91] sta_info_move_state+0x3cf/0x8d0 [ 66.468056][ T91] sta_info_free+0x65/0x3b0 [ 66.472553][ T91] sta_info_insert_rcu+0x303/0x2ba0 [ 66.477741][ T91] ? find_held_lock+0x2d/0x110 [ 66.482493][ T91] ? rate_control_rate_init+0x32c/0x6a0 [ 66.488036][ T91] ? sta_info_free+0x3b0/0x3b0 [ 66.492806][ T91] ? __local_bh_enable_ip+0x9c/0x110 [ 66.498093][ T91] ? rate_control_rate_init+0x35f/0x6a0 [ 66.503647][ T91] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.509276][ T91] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.515336][ T91] ? __local_bh_enable_ip+0x9c/0x110 [ 66.520619][ T91] ieee80211_ibss_work+0x2c7/0xe80 [ 66.525732][ T91] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.532055][ T91] ? mark_held_locks+0x9f/0xe0 [ 66.536824][ T91] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.542624][ T91] ? lockdep_hardirqs_on+0x79/0x100 [ 66.547835][ T91] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.553638][ T91] ieee80211_iface_work+0x91f/0xa90 [ 66.558854][ T91] process_one_work+0x933/0x15a0 [ 66.563805][ T91] ? lock_release+0x710/0x710 [ 66.568472][ T91] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.573835][ T91] ? rwlock_bug.part.0+0x90/0x90 [ 66.578762][ T91] ? _raw_spin_lock_irq+0x41/0x50 [ 66.583787][ T91] worker_thread+0x64c/0x1120 [ 66.588492][ T91] ? process_one_work+0x15a0/0x15a0 [ 66.593685][ T91] kthread+0x3af/0x4a0 [ 66.597750][ T91] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.603655][ T91] ret_from_fork+0x1f/0x30 [ 66.619336][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 66.850897][ T91] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.941788][ T91] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.032884][ T91] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.123334][ T91] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.311856][ T91] device hsr_slave_0 left promiscuous mode [ 68.319052][ T91] device hsr_slave_1 left promiscuous mode [ 68.325168][ T91] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 68.336010][ T91] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 68.337519][ T8469] can: request_module (can-proto-0) failed. [ 68.349741][ T91] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 68.357806][ T91] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 68.365639][ T91] device bridge_slave_1 left promiscuous mode [ 68.372100][ T91] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.380066][ T91] device bridge_slave_0 left promiscuous mode [ 68.386229][ T91] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.395149][ T91] device veth1_macvtap left promiscuous mode [ 68.401191][ T91] device veth0_macvtap left promiscuous mode [ 68.407421][ T91] device veth1_vlan left promiscuous mode [ 68.413145][ T91] device veth0_vlan left promiscuous mode executing program [ 69.244489][ T91] team0 (unregistering): Port device team_slave_1 removed [ 69.253835][ T91] team0 (unregistering): Port device team_slave_0 removed [ 69.265102][ T91] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.277384][ T91] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.316766][ T91] bond0 (unregistering): Released all slaves [ 69.785942][ T8469] can: request_module (can-proto-0) failed. [ 69.795927][ T8469] can: request_module (can-proto-0) failed. [ 69.940615][ T8469] base_sock_release(0000000033162c63) sk=00000000338616c7