Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. 2020/11/12 02:24:12 fuzzer started 2020/11/12 02:24:13 connecting to host at 10.128.0.26:44803 2020/11/12 02:24:13 checking machine... 2020/11/12 02:24:13 checking revisions... 2020/11/12 02:24:13 testing simple program... syzkaller login: [ 65.785713][ T8529] IPVS: ftp: loaded support on port[0] = 21 [ 65.924680][ T8529] chnl_net:caif_netlink_parms(): no params data found [ 65.975873][ T8529] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.983498][ T8529] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.992455][ T8529] device bridge_slave_0 entered promiscuous mode [ 66.002628][ T8529] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.009787][ T8529] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.017481][ T8529] device bridge_slave_1 entered promiscuous mode [ 66.038959][ T8529] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.050483][ T8529] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.074335][ T8529] team0: Port device team_slave_0 added [ 66.081696][ T8529] team0: Port device team_slave_1 added [ 66.100079][ T8529] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.107053][ T8529] 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. [ 66.134867][ T8529] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.152232][ T8529] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.159170][ T8529] 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. [ 66.185959][ T8529] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.213720][ T8529] device hsr_slave_0 entered promiscuous mode [ 66.220788][ T8529] device hsr_slave_1 entered promiscuous mode [ 66.318395][ T8529] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.329030][ T8529] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.345229][ T8529] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.356270][ T8529] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.382910][ T8529] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.390087][ T8529] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.397789][ T8529] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.404921][ T8529] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.452807][ T8529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.466731][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.477686][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.486060][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.494650][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.507807][ T8529] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.519181][ T4902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.528964][ T4902] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.536114][ T4902] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.560218][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.568544][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.575702][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.584758][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.593663][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.609196][ T8529] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.620760][ T8529] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.634828][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.643401][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.652511][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.663739][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.687436][ T8529] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.695355][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.704656][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.724041][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.746107][ T8529] device veth0_vlan entered promiscuous mode [ 66.753697][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.763649][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.772371][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.786192][ T8529] device veth1_vlan entered promiscuous mode [ 66.807395][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.816257][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.824876][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.837307][ T8529] device veth0_macvtap entered promiscuous mode [ 66.847342][ T8529] device veth1_macvtap entered promiscuous mode [ 66.866981][ T8529] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.874519][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.885519][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.897814][ T8529] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.906056][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.915684][ T3083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.928285][ T8529] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.937533][ T8529] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.946375][ T8529] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.955645][ T8529] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.052269][ T143] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.081592][ T143] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.100422][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.108694][ T1001] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.119105][ T1001] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.131005][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.172391][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 67.209023][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 2020/11/12 02:24:16 building call list... [ 67.231185][ T21] 4 locks held by kworker/u4:1/21: [ 67.236953][ T21] #0: ffff88802cffd938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 67.261629][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 67.284401][ T21] #2: ffff8880353d8d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 67.294678][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 67.306844][ T21] Preemption disabled at: [ 67.306872][ T21] [] __mutex_lock+0x10f/0x10e0 [ 67.318967][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0 [ 67.327429][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.337506][ T21] Workqueue: phy3 ieee80211_iface_work [ 67.342975][ T21] Call Trace: [ 67.346288][ T21] dump_stack+0x107/0x163 [ 67.350633][ T21] ? __mutex_lock+0x10f/0x10e0 [ 67.355404][ T21] ___might_sleep.cold+0x1e8/0x22e [ 67.360530][ T21] sta_info_move_state+0x32/0x8d0 [ 67.365701][ T21] sta_info_free+0x65/0x3b0 [ 67.370224][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 67.375536][ T21] ? find_held_lock+0x2d/0x110 [ 67.380321][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 67.385884][ T21] ? sta_info_free+0x3b0/0x3b0 [ 67.390655][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 67.395960][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 67.401521][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.407165][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.413337][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 67.418640][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 67.423771][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.430124][ T21] ? mark_held_locks+0x9f/0xe0 executing program [ 67.434916][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.440733][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 67.445941][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.451764][ T21] ieee80211_iface_work+0x82e/0x970 [ 67.456983][ T21] process_one_work+0x933/0x15a0 [ 67.461940][ T21] ? lock_release+0x710/0x710 [ 67.466634][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.472108][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 67.477051][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 67.482090][ T21] worker_thread+0x64c/0x1120 [ 67.486782][ T21] ? __kthread_parkme+0x13f/0x1e0 [ 67.491843][ T21] ? process_one_work+0x15a0/0x15a0 [ 67.497050][ T21] kthread+0x3af/0x4a0 [ 67.501383][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 67.507283][ T21] ret_from_fork+0x1f/0x30 [ 67.531599][ T21] [ 67.533954][ T21] ============================= [ 67.538785][ T21] [ BUG: Invalid wait context ] [ 67.543628][ T21] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 67.550373][ T21] ----------------------------- [ 67.555217][ T21] kworker/u4:1/21 is trying to lock: [ 67.560493][ T21] ffff88801b4b29d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 67.571095][ T21] other info that might help us debug this: [ 67.576974][ T21] context-{4:4} [ 67.580422][ T21] 4 locks held by kworker/u4:1/21: [ 67.585513][ T21] #0: ffff88802cffd938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 67.595779][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 67.607015][ T21] #2: ffff8880353d8d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 67.616545][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 67.626454][ T21] stack backtrace: [ 67.630168][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 67.639893][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.649954][ T21] Workqueue: phy3 ieee80211_iface_work [ 67.655399][ T21] Call Trace: [ 67.658682][ T21] dump_stack+0x107/0x163 [ 67.663021][ T21] __lock_acquire.cold+0x310/0x3a2 [ 67.668139][ T21] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.674116][ T21] ? find_held_lock+0x2d/0x110 [ 67.678875][ T21] lock_acquire+0x2a3/0x8c0 [ 67.683636][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.689698][ T21] ? lock_release+0x710/0x710 [ 67.694386][ T21] __mutex_lock+0x134/0x10e0 [ 67.698966][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.704936][ T21] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 67.710909][ T21] ? mutex_lock_io_nested+0xf60/0xf60 [ 67.716274][ T21] ? ieee80211_clear_fast_rx+0x58/0x80 [ 67.721725][ T21] ? mark_held_locks+0x9f/0xe0 [ 67.726487][ T21] ieee80211_recalc_min_chandef+0x49/0x140 [ 67.732287][ T21] sta_info_move_state+0x3cf/0x8d0 [ 67.737391][ T21] sta_info_free+0x65/0x3b0 [ 67.741887][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 67.747077][ T21] ? find_held_lock+0x2d/0x110 [ 67.751845][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 67.757384][ T21] ? sta_info_free+0x3b0/0x3b0 [ 67.762143][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 67.767421][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 67.772968][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 67.778593][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 67.784824][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 67.790101][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 67.795209][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 67.801537][ T21] ? mark_held_locks+0x9f/0xe0 [ 67.806293][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 67.812089][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 67.817278][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 67.823078][ T21] ieee80211_iface_work+0x82e/0x970 [ 67.828268][ T21] process_one_work+0x933/0x15a0 [ 67.833202][ T21] ? lock_release+0x710/0x710 [ 67.837878][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 [ 67.843249][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 67.848186][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 67.853212][ T21] worker_thread+0x64c/0x1120 [ 67.858072][ T21] ? __kthread_parkme+0x13f/0x1e0 [ 67.863088][ T21] ? process_one_work+0x15a0/0x15a0 [ 67.868285][ T21] kthread+0x3af/0x4a0 [ 67.872345][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 67.878489][ T21] ret_from_fork+0x1f/0x30 [ 67.889329][ T2998] Bluetooth: hci0: command 0x0409 tx timeout [ 68.064057][ T143] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.151387][ T143] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.224084][ T143] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.334153][ T143] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.520089][ T143] device hsr_slave_0 left promiscuous mode [ 69.528761][ T143] device hsr_slave_1 left promiscuous mode [ 69.541417][ T143] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 69.550696][ T143] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 69.561257][ T143] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 69.568649][ T143] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 69.578350][ T143] device bridge_slave_1 left promiscuous mode [ 69.585275][ T143] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.594810][ T143] device bridge_slave_0 left promiscuous mode [ 69.601755][ T143] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.612141][ T143] device veth1_macvtap left promiscuous mode [ 69.618136][ T143] device veth0_macvtap left promiscuous mode [ 69.625348][ T143] device veth1_vlan left promiscuous mode [ 69.631865][ T143] device veth0_vlan left promiscuous mode executing program [ 70.618427][ T143] team0 (unregistering): Port device team_slave_1 removed [ 70.627957][ T143] team0 (unregistering): Port device team_slave_0 removed [ 70.637496][ T143] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.648315][ T143] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.677097][ T143] bond0 (unregistering): Released all slaves [ 70.746046][ T8508] can: request_module (can-proto-0) failed. [ 71.133300][ T8508] can: request_module (can-proto-0) failed. [ 71.142602][ T8508] can: request_module (can-proto-0) failed. [ 71.279124][ T8508] base_sock_release(000000002cd19d34) sk=00000000d1b469f6