Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. 2020/11/20 07:12:03 fuzzer started 2020/11/20 07:12:03 connecting to host at 10.128.0.26:41797 2020/11/20 07:12:03 checking machine... 2020/11/20 07:12:03 checking revisions... 2020/11/20 07:12:03 testing simple program... syzkaller login: [ 64.396292][ T8481] IPVS: ftp: loaded support on port[0] = 21 [ 64.578054][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 64.631199][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.639374][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.649235][ T8481] device bridge_slave_0 entered promiscuous mode [ 64.658560][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.667220][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.675501][ T8481] device bridge_slave_1 entered promiscuous mode [ 64.696914][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.708462][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.732767][ T8481] team0: Port device team_slave_0 added [ 64.740836][ T8481] team0: Port device team_slave_1 added [ 64.759788][ T8481] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.767101][ T8481] 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. [ 64.793296][ T8481] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.806138][ T8481] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.813090][ T8481] 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. [ 64.839141][ T8481] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.867966][ T8481] device hsr_slave_0 entered promiscuous mode [ 64.875162][ T8481] device hsr_slave_1 entered promiscuous mode [ 64.976866][ T8481] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.987943][ T8481] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.003584][ T8481] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.015574][ T8481] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.040590][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.047981][ T8481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.056120][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.063406][ T8481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.111938][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.128371][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.140065][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.149429][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.157649][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.170688][ T8481] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.182656][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.192342][ T23] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.203720][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.224198][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.232620][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.239767][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.260156][ T8481] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.271694][ T8481] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.288249][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.297585][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.307249][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.317555][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.326383][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.334543][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.351817][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.359412][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.372205][ T8481] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.391552][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.413058][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.423160][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.432308][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.444107][ T8481] device veth0_vlan entered promiscuous mode [ 65.457660][ T8481] device veth1_vlan entered promiscuous mode [ 65.479944][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.489030][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.498781][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.511167][ T8481] device veth0_macvtap entered promiscuous mode [ 65.521119][ T8481] device veth1_macvtap entered promiscuous mode [ 65.541289][ T8481] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.549925][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.560810][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.572529][ T8481] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.580222][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.589865][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.601042][ T8481] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.610538][ T8481] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.619647][ T8481] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.628924][ T8481] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.716693][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.735086][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.753380][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.756479][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.763659][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.778344][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.807100][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 65.817163][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 65.832552][ T21] 4 locks held by kworker/u4:1/21: [ 65.839623][ T21] #0: ffff888011ea7138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 2020/11/20 07:12:06 building call list... [ 65.876054][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 65.913755][ T21] #2: ffff888027e58d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 executing program [ 65.941264][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 65.963672][ T21] Preemption disabled at: [ 65.963700][ T21] [] __mutex_lock+0x10f/0x10e0 [ 65.986656][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc2-syzkaller #0 [ 65.995019][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.005104][ T21] Workqueue: phy4 ieee80211_iface_work [ 66.010665][ T21] Call Trace: [ 66.013972][ T21] dump_stack+0x107/0x163 [ 66.018470][ T21] ? __mutex_lock+0x10f/0x10e0 [ 66.023252][ T21] ___might_sleep.cold+0x1e8/0x22e [ 66.028388][ T21] sta_info_move_state+0x32/0x8d0 [ 66.033433][ T21] sta_info_free+0x65/0x3b0 [ 66.037959][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 66.043174][ T21] ? find_held_lock+0x2d/0x110 [ 66.047962][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 66.053530][ T21] ? sta_info_free+0x3b0/0x3b0 [ 66.058314][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.063712][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 66.069276][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.074942][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.081190][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.086679][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 66.091942][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.098295][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.103093][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.108916][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 66.114224][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.120058][ T21] ieee80211_iface_work+0x82e/0x970 [ 66.125311][ T21] process_one_work+0x933/0x15a0 [ 66.130363][ T21] ? lock_release+0x710/0x710 [ 66.135056][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.140445][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 66.145400][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 66.150488][ T21] worker_thread+0x64c/0x1120 [ 66.155193][ T21] ? process_one_work+0x15a0/0x15a0 [ 66.160501][ T21] kthread+0x3af/0x4a0 [ 66.164585][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.170496][ T21] ret_from_fork+0x1f/0x30 [ 66.180499][ T21] [ 66.182854][ T21] ============================= [ 66.187833][ T21] [ BUG: Invalid wait context ] [ 66.192680][ T21] 5.10.0-rc2-syzkaller #0 Tainted: G W [ 66.199521][ T21] ----------------------------- [ 66.204386][ T21] kworker/u4:1/21 is trying to lock: [ 66.209685][ T21] ffff88802f8429d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 66.220306][ T21] other info that might help us debug this: [ 66.226472][ T21] context-{4:4} [ 66.229936][ T21] 4 locks held by kworker/u4:1/21: [ 66.235038][ T21] #0: ffff888011ea7138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.245333][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.256681][ T21] #2: ffff888027e58d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.266165][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.276085][ T21] stack backtrace: [ 66.279831][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc2-syzkaller #0 [ 66.289539][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.299605][ T21] Workqueue: phy4 ieee80211_iface_work [ 66.305062][ T21] Call Trace: [ 66.308446][ T21] dump_stack+0x107/0x163 [ 66.312778][ T21] __lock_acquire.cold+0x310/0x3a2 [ 66.317898][ T21] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 66.323882][ T21] ? find_held_lock+0x2d/0x110 [ 66.328652][ T21] lock_acquire+0x2a3/0x8c0 [ 66.333155][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.339367][ T21] ? lock_release+0x710/0x710 [ 66.344052][ T21] __mutex_lock+0x134/0x10e0 [ 66.348642][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.354621][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 66.360615][ T21] ? mutex_lock_io_nested+0xf60/0xf60 [ 66.366003][ T21] ? ieee80211_clear_fast_rx+0x58/0x80 [ 66.371479][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.376260][ T21] ieee80211_recalc_min_chandef+0x49/0x140 [ 66.382093][ T21] sta_info_move_state+0x3cf/0x8d0 [ 66.387213][ T21] sta_info_free+0x65/0x3b0 [ 66.391876][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 66.397165][ T21] ? find_held_lock+0x2d/0x110 [ 66.401931][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 66.407486][ T21] ? sta_info_free+0x3b0/0x3b0 [ 66.412252][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.417544][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 66.423092][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 66.428848][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 66.434918][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 66.440208][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 66.445328][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 66.451662][ T21] ? mark_held_locks+0x9f/0xe0 [ 66.456438][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 66.462335][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 66.467548][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 66.473371][ T21] ieee80211_iface_work+0x82e/0x970 [ 66.478581][ T21] process_one_work+0x933/0x15a0 [ 66.483529][ T21] ? lock_release+0x710/0x710 [ 66.488212][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.493598][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 66.498631][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 66.503663][ T21] worker_thread+0x64c/0x1120 [ 66.508344][ T21] ? process_one_work+0x15a0/0x15a0 [ 66.513554][ T21] kthread+0x3af/0x4a0 [ 66.517635][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 66.523675][ T21] ret_from_fork+0x1f/0x30 [ 66.537478][ T3201] Bluetooth: hci0: command 0x0409 tx timeout [ 66.721705][ T21] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.834874][ T21] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.919780][ T21] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.999521][ T21] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.228791][ T21] device hsr_slave_0 left promiscuous mode [ 68.235784][ T21] device hsr_slave_1 left promiscuous mode [ 68.244830][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 68.252212][ T21] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 68.265305][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 68.272678][ T21] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 68.281679][ T21] device bridge_slave_1 left promiscuous mode [ 68.288695][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.297254][ T21] device bridge_slave_0 left promiscuous mode [ 68.303834][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.313972][ T21] device veth1_macvtap left promiscuous mode [ 68.319970][ T21] device veth0_macvtap left promiscuous mode [ 68.326552][ T21] device veth1_vlan left promiscuous mode [ 68.332290][ T21] device veth0_vlan left promiscuous mode executing program [ 69.237081][ T21] team0 (unregistering): Port device team_slave_1 removed [ 69.246487][ T21] team0 (unregistering): Port device team_slave_0 removed [ 69.257532][ T21] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.269886][ T21] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 69.295990][ T21] bond0 (unregistering): Released all slaves [ 69.365929][ T8724] can: request_module (can-proto-0) failed. [ 69.798243][ T8724] can: request_module (can-proto-0) failed. [ 69.808249][ T8724] can: request_module (can-proto-0) failed. [ 69.949280][ T8724] base_sock_release(0000000064d6950d) sk=00000000bc411ce0