Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. 2020/11/15 20:46:31 fuzzer started 2020/11/15 20:46:31 connecting to host at 10.128.0.26:44793 2020/11/15 20:46:31 checking machine... 2020/11/15 20:46:31 checking revisions... 2020/11/15 20:46:31 testing simple program... syzkaller login: [ 65.413090][ T8536] IPVS: ftp: loaded support on port[0] = 21 [ 65.649240][ T8536] chnl_net:caif_netlink_parms(): no params data found [ 65.722008][ T8536] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.729614][ T8536] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.738112][ T8536] device bridge_slave_0 entered promiscuous mode [ 65.747382][ T8536] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.754493][ T8536] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.762637][ T8536] device bridge_slave_1 entered promiscuous mode [ 65.783851][ T8536] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.794994][ T8536] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.817281][ T8536] team0: Port device team_slave_0 added [ 65.824608][ T8536] team0: Port device team_slave_1 added [ 65.842377][ T8536] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.849402][ T8536] 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. [ 65.875466][ T8536] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.888379][ T8536] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.895330][ T8536] 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. [ 65.921309][ T8536] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.948325][ T8536] device hsr_slave_0 entered promiscuous mode [ 65.955297][ T8536] device hsr_slave_1 entered promiscuous mode [ 66.055725][ T8536] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.072099][ T8536] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.081196][ T8536] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.094545][ T8536] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.123290][ T8536] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.130624][ T8536] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.138612][ T8536] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.145708][ T8536] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.192718][ T8536] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.206263][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.218318][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.228375][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.236436][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.252010][ T8536] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.264515][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.273442][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.280637][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.308330][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.319466][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.326590][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.334668][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.344446][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.355368][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.363786][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.378256][ T3000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.390403][ T8536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.410107][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.418287][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.432892][ T8536] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.453030][ T4914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.472952][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.481469][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.490101][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.503152][ T8536] device veth0_vlan entered promiscuous mode [ 66.514666][ T8536] device veth1_vlan entered promiscuous mode [ 66.537343][ T4914] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.545447][ T4914] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.555027][ T4914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.567718][ T8536] device veth0_macvtap entered promiscuous mode [ 66.578370][ T8536] device veth1_macvtap entered promiscuous mode [ 66.595995][ T8536] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.603521][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.616032][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.629051][ T8536] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.637383][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.645899][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.658269][ T8536] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.667951][ T8536] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.676739][ T8536] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.685546][ T8536] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.762774][ T295] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.778839][ T295] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.813703][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.824670][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.839086][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.848890][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.861724][ T8] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 66.871629][ T8] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8, name: kworker/u4:0 [ 66.882118][ T8] 4 locks held by kworker/u4:0/8: [ 66.888485][ T8] #0: ffff888021991138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.898840][ T8] #1: ffffc90000cd7da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.910521][ T8] #2: ffff88802630cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.920617][ T8] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.931142][ T8] Preemption disabled at: [ 66.931168][ T8] [] __mutex_lock+0x10f/0x10e0 [ 66.942260][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc3-syzkaller #0 [ 66.950534][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 66.960592][ T8] Workqueue: phy4 ieee80211_iface_work [ 66.966036][ T8] Call Trace: [ 66.969314][ T8] dump_stack+0x107/0x163 [ 66.973652][ T8] ? __mutex_lock+0x10f/0x10e0 [ 66.978439][ T8] ___might_sleep.cold+0x1e8/0x22e [ 66.983538][ T8] sta_info_move_state+0x32/0x8d0 [ 66.988573][ T8] sta_info_free+0x65/0x3b0 [ 66.993080][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 66.998268][ T8] ? find_held_lock+0x2d/0x110 [ 67.003040][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 67.008576][ T8] ? sta_info_free+0x3b0/0x3b0 [ 67.013326][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 67.018604][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 67.024141][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.029788][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.035857][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 67.041136][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 67.046235][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.052569][ T8] ? mark_held_locks+0x9f/0xe0 [ 67.057328][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.063270][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 67.068480][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.074298][ T8] ieee80211_iface_work+0x82e/0x970 [ 67.079502][ T8] process_one_work+0x933/0x15a0 [ 67.084523][ T8] ? lock_release+0x710/0x710 [ 67.089270][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.094635][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 67.099605][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 67.104628][ T8] worker_thread+0x64c/0x1120 [ 67.109304][ T8] ? process_one_work+0x15a0/0x15a0 [ 67.114490][ T8] kthread+0x3af/0x4a0 [ 67.118576][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 67.124456][ T8] ret_from_fork+0x1f/0x30 [ 67.142835][ T8] [ 67.145194][ T8] ============================= [ 67.150018][ T8] [ BUG: Invalid wait context ] [ 67.154841][ T8] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 67.161572][ T8] ----------------------------- [ 67.166487][ T8] kworker/u4:0/8 is trying to lock: [ 67.171665][ T8] ffff88801c19a9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 67.182258][ T8] other info that might help us debug this: [ 67.188127][ T8] context-{4:4} [ 67.191567][ T8] 4 locks held by kworker/u4:0/8: [ 67.196561][ T8] #0: ffff888021991138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 67.206705][ T8] #1: ffffc90000cd7da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 67.217989][ T8] #2: ffff88802630cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 67.227549][ T8] #3: ffffffff8b337820 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 67.237429][ T8] stack backtrace: [ 67.241153][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 67.250758][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.260810][ T8] Workqueue: phy4 ieee80211_iface_work [ 67.266247][ T8] Call Trace: [ 67.269529][ T8] dump_stack+0x107/0x163 [ 67.273869][ T8] __lock_acquire.cold+0x1d6/0x39f [ 67.278997][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.284967][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.290937][ T8] lock_acquire+0x2a3/0x8c0 [ 67.295621][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.301598][ T8] ? lock_release+0x710/0x710 [ 67.306259][ T8] __mutex_lock+0x134/0x10e0 [ 67.310954][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.316936][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.323001][ T8] ? mutex_lock_io_nested+0xf60/0xf60 [ 67.328372][ T8] ? ieee80211_clear_fast_rx+0x58/0x80 [ 67.333814][ T8] ? mark_held_locks+0x9f/0xe0 [ 67.338683][ T8] ieee80211_recalc_min_chandef+0x49/0x140 [ 67.344477][ T8] sta_info_move_state+0x3cf/0x8d0 [ 67.349581][ T8] sta_info_free+0x65/0x3b0 [ 67.354075][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 67.359255][ T8] ? find_held_lock+0x2d/0x110 [ 67.364001][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 67.369528][ T8] ? sta_info_free+0x3b0/0x3b0 [ 67.374272][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 67.379540][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 67.385096][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.390714][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.396768][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 67.402999][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 67.408127][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.414435][ T8] ? mark_held_locks+0x9f/0xe0 [ 67.416875][ T3000] Bluetooth: hci0: command 0x0409 tx timeout [ 67.419216][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.430966][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 67.436168][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.441988][ T8] ieee80211_iface_work+0x82e/0x970 [ 67.447165][ T8] process_one_work+0x933/0x15a0 [ 67.452078][ T8] ? lock_release+0x710/0x710 [ 67.456728][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.462086][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 67.466999][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 67.472015][ T8] worker_thread+0x64c/0x1120 [ 67.476682][ T8] ? process_one_work+0x15a0/0x15a0 [ 67.484904][ T8] kthread+0x3af/0x4a0 [ 67.488991][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 67.494875][ T8] ret_from_fork+0x1f/0x30 2020/11/15 20:46:35 building call list... [ 67.741789][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.866135][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.961433][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.051506][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.239713][ T8] device hsr_slave_0 left promiscuous mode [ 69.252470][ T8] device hsr_slave_1 left promiscuous mode [ 69.259567][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.267518][ T8] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.275456][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.283153][ T8] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.292747][ T8] device bridge_slave_1 left promiscuous mode [ 69.299167][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.307996][ T8] device bridge_slave_0 left promiscuous mode [ 69.314162][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.324821][ T8] device veth1_macvtap left promiscuous mode [ 69.331634][ T8] device veth0_macvtap left promiscuous mode [ 69.338149][ T8] device veth1_vlan left promiscuous mode [ 69.343889][ T8] device veth0_vlan left promiscuous mode executing program [ 70.569238][ T8] team0 (unregistering): Port device team_slave_1 removed [ 70.578839][ T8] team0 (unregistering): Port device team_slave_0 removed [ 70.588650][ T8] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.601098][ T8] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.628132][ T8] bond0 (unregistering): Released all slaves [ 70.805865][ T8517] can: request_module (can-proto-0) failed. [ 71.102957][ T8517] can: request_module (can-proto-0) failed. [ 71.112667][ T8517] can: request_module (can-proto-0) failed. [ 71.252888][ T8517] base_sock_release(000000002b233dd1) sk=00000000e9663e37