Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. 2020/11/24 22:26:23 fuzzer started 2020/11/24 22:26:24 connecting to host at 10.128.0.26:40859 2020/11/24 22:26:24 checking machine... 2020/11/24 22:26:24 checking revisions... 2020/11/24 22:26:24 testing simple program... syzkaller login: [ 62.890526][ T8517] IPVS: ftp: loaded support on port[0] = 21 [ 63.037178][ T8517] chnl_net:caif_netlink_parms(): no params data found [ 63.089735][ T8517] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.097738][ T8517] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.105572][ T8517] device bridge_slave_0 entered promiscuous mode [ 63.114172][ T8517] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.122938][ T8517] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.131209][ T8517] device bridge_slave_1 entered promiscuous mode [ 63.151374][ T8517] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.162215][ T8517] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.184193][ T8517] team0: Port device team_slave_0 added [ 63.191798][ T8517] team0: Port device team_slave_1 added [ 63.209661][ T8517] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.216644][ T8517] 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. [ 63.242603][ T8517] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.256073][ T8517] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.263014][ T8517] 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. [ 63.289642][ T8517] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.317587][ T8517] device hsr_slave_0 entered promiscuous mode [ 63.324554][ T8517] device hsr_slave_1 entered promiscuous mode [ 63.424248][ T8517] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.434629][ T8517] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.445424][ T8517] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.456357][ T8517] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.481698][ T8517] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.488876][ T8517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.496766][ T8517] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.503869][ T8517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.552834][ T8517] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.568470][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.579764][ T4913] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.588529][ T4913] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.597451][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.610504][ T8517] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.623024][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.632793][ T3076] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.639920][ T3076] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.655801][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.664118][ T2998] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.671230][ T2998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.688688][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.697899][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.711118][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.728417][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.738674][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.750727][ T8517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.769003][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.776958][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.791460][ T8517] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.817615][ T2998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.831170][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.841819][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.850497][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.860255][ T8517] device veth0_vlan entered promiscuous mode [ 63.872811][ T8517] device veth1_vlan entered promiscuous mode [ 63.896750][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.904664][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.914186][ T4913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.925993][ T8517] device veth0_macvtap entered promiscuous mode [ 63.936838][ T8517] device veth1_macvtap entered promiscuous mode [ 63.955766][ T8517] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.963140][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.974253][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.987253][ T8517] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.996610][ T8737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.010098][ T8517] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.019942][ T8517] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.028983][ T8517] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.038048][ T8517] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.132394][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.149288][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.167917][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.192309][ T3151] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.201011][ T3151] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.210518][ T3076] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.222594][ T8] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 64.232850][ T8] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8, name: kworker/u4:0 [ 64.243945][ T8] 4 locks held by kworker/u4:0/8: [ 64.249484][ T8] #0: ffff88802502e938 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 64.260597][ T8] #1: ffffc90000cd7da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 64.272245][ T8] #2: ffff88801bb04d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 64.281986][ T8] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 64.292291][ T8] Preemption disabled at: [ 64.292317][ T8] [] __mutex_lock+0x10f/0x10e0 [ 64.303439][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc3-syzkaller #0 [ 64.311659][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.321891][ T8] Workqueue: phy4 ieee80211_iface_work [ 64.327340][ T8] Call Trace: [ 64.330754][ T8] dump_stack+0x107/0x163 [ 64.335114][ T8] ? __mutex_lock+0x10f/0x10e0 [ 64.339872][ T8] ___might_sleep.cold+0x1e8/0x22e [ 64.344970][ T8] sta_info_move_state+0x32/0x8d0 [ 64.349985][ T8] sta_info_free+0x65/0x3b0 [ 64.354471][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 64.359674][ T8] ? find_held_lock+0x2d/0x110 [ 64.364423][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 64.369953][ T8] ? sta_info_free+0x3b0/0x3b0 [ 64.374700][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 64.379992][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 64.385557][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 64.391172][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 64.397228][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 64.402521][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 64.407643][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 64.413953][ T8] ? mark_held_locks+0x9f/0xe0 [ 64.418700][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 64.424486][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 64.429679][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 64.435485][ T8] ieee80211_iface_work+0x91f/0xa90 executing program [ 64.440681][ T8] process_one_work+0x933/0x15a0 [ 64.445604][ T8] ? lock_release+0x710/0x710 [ 64.450293][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 64.455686][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 64.460616][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 64.465640][ T8] worker_thread+0x64c/0x1120 [ 64.470329][ T8] ? process_one_work+0x15a0/0x15a0 [ 64.475519][ T8] kthread+0x3af/0x4a0 [ 64.479581][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 64.485457][ T8] ret_from_fork+0x1f/0x30 [ 64.495243][ T8] [ 64.497583][ T8] ============================= [ 64.502424][ T8] [ BUG: Invalid wait context ] [ 64.507262][ T8] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 64.514008][ T8] ----------------------------- [ 64.518847][ T8] kworker/u4:0/8 is trying to lock: [ 64.524020][ T8] ffff88802de329d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 64.534597][ T8] other info that might help us debug this: [ 64.540466][ T8] context-{4:4} [ 64.543901][ T8] 4 locks held by kworker/u4:0/8: [ 64.548897][ T8] #0: ffff88802502e938 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 64.559044][ T8] #1: ffffc90000cd7da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 64.570230][ T8] #2: ffff88801bb04d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 64.579675][ T8] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 64.589558][ T8] stack backtrace: [ 64.593260][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 64.602902][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.612947][ T8] Workqueue: phy4 ieee80211_iface_work [ 64.618425][ T8] Call Trace: [ 64.621695][ T8] dump_stack+0x107/0x163 [ 64.626003][ T8] __lock_acquire.cold+0x310/0x3a2 [ 64.631107][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 64.637112][ T8] ? find_held_lock+0x2d/0x110 [ 64.641909][ T8] lock_acquire+0x2a3/0x8c0 [ 64.646392][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.652397][ T8] ? lock_release+0x710/0x710 [ 64.657060][ T8] __mutex_lock+0x134/0x10e0 [ 64.661627][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.667584][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 64.673542][ T8] ? mutex_lock_io_nested+0xf60/0xf60 [ 64.678913][ T8] ? ieee80211_clear_fast_rx+0x58/0x80 [ 64.684365][ T8] ? mark_held_locks+0x9f/0xe0 [ 64.689105][ T8] ieee80211_recalc_min_chandef+0x49/0x140 [ 64.694886][ T8] sta_info_move_state+0x3cf/0x8d0 [ 64.699992][ T8] sta_info_free+0x65/0x3b0 [ 64.704481][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 64.709657][ T8] ? find_held_lock+0x2d/0x110 [ 64.714394][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 64.719943][ T8] ? sta_info_free+0x3b0/0x3b0 [ 64.724684][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 64.729943][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 64.735465][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 64.741074][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 64.747115][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 64.752375][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 64.757461][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 64.763765][ T8] ? mark_held_locks+0x9f/0xe0 [ 64.768503][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 64.774282][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 64.779453][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 64.785235][ T8] ieee80211_iface_work+0x91f/0xa90 [ 64.790407][ T8] process_one_work+0x933/0x15a0 [ 64.795326][ T8] ? lock_release+0x710/0x710 [ 64.799989][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 64.805345][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 64.810280][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 64.815455][ T8] worker_thread+0x64c/0x1120 [ 64.820109][ T8] ? process_one_work+0x15a0/0x15a0 [ 64.825281][ T8] kthread+0x3af/0x4a0 [ 64.829339][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 64.835220][ T8] ret_from_fork+0x1f/0x30 2020/11/24 22:26:27 building call list... [ 64.875766][ T8737] Bluetooth: hci0: command 0x0409 tx timeout [ 65.192876][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.291083][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.368984][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 65.450542][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.646159][ T8] device hsr_slave_0 left promiscuous mode [ 66.659264][ T8] device hsr_slave_1 left promiscuous mode [ 66.668744][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 66.676645][ T8] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 66.684555][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 66.692334][ T8] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 66.701292][ T8] device bridge_slave_1 left promiscuous mode [ 66.707733][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.716259][ T8] device bridge_slave_0 left promiscuous mode [ 66.722410][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.732547][ T8] device veth1_macvtap left promiscuous mode [ 66.739013][ T8] device veth0_macvtap left promiscuous mode [ 66.745265][ T8] device veth1_vlan left promiscuous mode [ 66.750994][ T8] device veth0_vlan left promiscuous mode executing program [ 67.828275][ T8] team0 (unregistering): Port device team_slave_1 removed [ 67.839563][ T8] team0 (unregistering): Port device team_slave_0 removed [ 67.849309][ T8] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.860349][ T8] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.887862][ T8] bond0 (unregistering): Released all slaves [ 68.003559][ T8502] can: request_module (can-proto-0) failed. [ 68.390701][ T8502] can: request_module (can-proto-0) failed. [ 68.400259][ T8502] can: request_module (can-proto-0) failed. [ 68.536455][ T8502] base_sock_release(00000000a99c855b) sk=00000000861aad8e