[ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. Starting OpenBSD Secure Shell server... Starting getty on tty2-tty6 if dbus and logind are not available... [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. 2020/11/12 02:15:31 fuzzer started 2020/11/12 02:15:32 connecting to host at 10.128.0.26:34199 2020/11/12 02:15:32 checking machine... 2020/11/12 02:15:32 checking revisions... 2020/11/12 02:15:32 testing simple program... syzkaller login: [ 71.602736][ T34] audit: type=1400 audit(1605147332.392:8): avc: denied { execmem } for pid=8493 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 72.810739][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 72.962128][ T8494] chnl_net:caif_netlink_parms(): no params data found [ 73.025579][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.034654][ T8494] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.044269][ T8494] device bridge_slave_0 entered promiscuous mode [ 73.053943][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.061217][ T8494] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.069352][ T8494] device bridge_slave_1 entered promiscuous mode [ 73.091266][ T8494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.103100][ T8494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.127156][ T8494] team0: Port device team_slave_0 added [ 73.135379][ T8494] team0: Port device team_slave_1 added [ 73.154371][ T8494] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.162085][ T8494] 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. [ 73.188582][ T8494] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.201431][ T8494] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.209340][ T8494] 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. [ 73.235281][ T8494] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.263574][ T8494] device hsr_slave_0 entered promiscuous mode [ 73.270672][ T8494] device hsr_slave_1 entered promiscuous mode [ 73.381130][ T8494] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.392923][ T8494] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.403968][ T8494] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.414295][ T8494] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.441714][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.448943][ T8494] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.456842][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.463986][ T8494] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.515051][ T8494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.528598][ T3070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.542522][ T3070] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.551414][ T3070] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.560518][ T3070] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.574460][ T8494] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.587907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.597481][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.604702][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.621484][ T3070] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.630745][ T3070] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.637783][ T3070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.659562][ T3070] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.670092][ T3070] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.686547][ T8494] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.698244][ T8494] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.712111][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.720599][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.730648][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.743918][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.761318][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.768871][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.781135][ T8494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.803464][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.824630][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.833047][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.842114][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.855164][ T8494] device veth0_vlan entered promiscuous mode [ 73.868193][ T8494] device veth1_vlan entered promiscuous mode [ 73.891284][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.899972][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.908001][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.920741][ T8494] device veth0_macvtap entered promiscuous mode [ 73.932005][ T8494] device veth1_macvtap entered promiscuous mode [ 73.942356][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.959439][ T8494] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.967369][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.977095][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.991011][ T8494] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.998291][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.008504][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.021507][ T8494] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.031663][ T8494] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.041338][ T8494] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.050174][ T8494] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.137458][ T291] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.160207][ T291] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.184263][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.204202][ T365] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.214980][ T365] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.225239][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 74.275206][ T158] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 74.313104][ T158] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 158, name: kworker/u4:4 2020/11/12 02:15:35 building call list... [ 74.338662][ T158] 4 locks held by kworker/u4:4/158: [ 74.343906][ T158] #0: ffff888034891938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 74.361111][ T158] #1: ffffc90001557da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 74.380124][ T158] #2: ffff888029e40d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 74.403355][ T158] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 74.416714][ T158] Preemption disabled at: [ 74.416740][ T158] [] __mutex_lock+0x10f/0x10e0 [ 74.430297][ T158] CPU: 0 PID: 158 Comm: kworker/u4:4 Not tainted 5.10.0-rc3-syzkaller #0 [ 74.438751][ T158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.448996][ T158] Workqueue: phy3 ieee80211_iface_work [ 74.454475][ T158] Call Trace: [ 74.457774][ T158] dump_stack+0x107/0x163 [ 74.462113][ T158] ? __mutex_lock+0x10f/0x10e0 [ 74.466886][ T158] ___might_sleep.cold+0x1e8/0x22e [ 74.472018][ T158] sta_info_move_state+0x32/0x8d0 [ 74.477064][ T158] sta_info_free+0x65/0x3b0 [ 74.481582][ T158] sta_info_insert_rcu+0x303/0x2ba0 [ 74.486791][ T158] ? find_held_lock+0x2d/0x110 [ 74.491569][ T158] ? rate_control_rate_init+0x32c/0x6a0 [ 74.497128][ T158] ? sta_info_free+0x3b0/0x3b0 [ 74.501898][ T158] ? __local_bh_enable_ip+0x9c/0x110 [ 74.507196][ T158] ? rate_control_rate_init+0x35f/0x6a0 [ 74.512756][ T158] ieee80211_ibss_finish_sta+0x212/0x390 [ 74.518394][ T158] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 74.524479][ T158] ? __local_bh_enable_ip+0x9c/0x110 [ 74.529782][ T158] ieee80211_ibss_work+0x2c7/0xe80 [ 74.534915][ T158] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 74.541258][ T158] ? mark_held_locks+0x9f/0xe0 [ 74.546033][ T158] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 74.551848][ T158] ? lockdep_hardirqs_on+0x79/0x100 [ 74.557138][ T158] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 74.562957][ T158] ieee80211_iface_work+0x82e/0x970 [ 74.568166][ T158] process_one_work+0x933/0x15a0 [ 74.573112][ T158] ? lock_release+0x710/0x710 [ 74.577791][ T158] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.583167][ T158] ? rwlock_bug.part.0+0x90/0x90 [ 74.588103][ T158] ? _raw_spin_lock_irq+0x41/0x50 [ 74.593143][ T158] worker_thread+0x64c/0x1120 [ 74.597837][ T158] ? process_one_work+0x15a0/0x15a0 [ 74.603040][ T158] kthread+0x3af/0x4a0 [ 74.607108][ T158] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.613044][ T158] ret_from_fork+0x1f/0x30 [ 74.640869][ T158] [ 74.643224][ T158] ============================= [ 74.648059][ T158] [ BUG: Invalid wait context ] [ 74.652899][ T158] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 74.659646][ T158] ----------------------------- [ 74.664480][ T158] kworker/u4:4/158 is trying to lock: [ 74.669835][ T158] ffff888033f729d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 74.680436][ T158] other info that might help us debug this: [ 74.686746][ T158] context-{4:4} [ 74.690281][ T158] 4 locks held by kworker/u4:4/158: [ 74.695479][ T158] #0: ffff888034891938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 74.705646][ T158] #1: ffffc90001557da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 74.716853][ T158] #2: ffff888029e40d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 74.726326][ T158] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 74.736233][ T158] stack backtrace: [ 74.739951][ T158] CPU: 0 PID: 158 Comm: kworker/u4:4 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 74.749750][ T158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.760001][ T158] Workqueue: phy3 ieee80211_iface_work [ 74.765452][ T158] Call Trace: [ 74.768743][ T158] dump_stack+0x107/0x163 [ 74.773072][ T158] __lock_acquire.cold+0x310/0x3a2 [ 74.778188][ T158] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.784169][ T158] ? find_held_lock+0x2d/0x110 [ 74.788934][ T158] lock_acquire+0x2a3/0x8c0 [ 74.793436][ T158] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.799423][ T158] ? lock_release+0x710/0x710 [ 74.804098][ T158] __mutex_lock+0x134/0x10e0 [ 74.808682][ T158] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.814653][ T158] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 74.820624][ T158] ? mutex_lock_io_nested+0xf60/0xf60 [ 74.825990][ T158] ? ieee80211_clear_fast_rx+0x58/0x80 [ 74.828951][ T8712] Bluetooth: hci0: command 0x0409 tx timeout [ 74.831444][ T158] ? mark_held_locks+0x9f/0xe0 [ 74.842233][ T158] ieee80211_recalc_min_chandef+0x49/0x140 [ 74.848033][ T158] sta_info_move_state+0x3cf/0x8d0 [ 74.853140][ T158] sta_info_free+0x65/0x3b0 [ 74.857636][ T158] sta_info_insert_rcu+0x303/0x2ba0 [ 74.862826][ T158] ? find_held_lock+0x2d/0x110 [ 74.872708][ T158] ? rate_control_rate_init+0x32c/0x6a0 [ 74.878243][ T158] ? sta_info_free+0x3b0/0x3b0 [ 74.883002][ T158] ? __local_bh_enable_ip+0x9c/0x110 [ 74.888276][ T158] ? rate_control_rate_init+0x35f/0x6a0 [ 74.893814][ T158] ieee80211_ibss_finish_sta+0x212/0x390 [ 74.899439][ T158] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 74.905497][ T158] ? __local_bh_enable_ip+0x9c/0x110 [ 74.910774][ T158] ieee80211_ibss_work+0x2c7/0xe80 [ 74.915882][ T158] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 74.922635][ T158] ? mark_held_locks+0x9f/0xe0 [ 74.927392][ T158] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 74.933190][ T158] ? lockdep_hardirqs_on+0x79/0x100 [ 74.938465][ T158] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 74.944263][ T158] ieee80211_iface_work+0x82e/0x970 [ 74.949454][ T158] process_one_work+0x933/0x15a0 [ 74.954387][ T158] ? lock_release+0x710/0x710 [ 74.959052][ T158] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.964415][ T158] ? rwlock_bug.part.0+0x90/0x90 [ 74.969341][ T158] ? _raw_spin_lock_irq+0x41/0x50 [ 74.974360][ T158] worker_thread+0x64c/0x1120 [ 74.979028][ T158] ? process_one_work+0x15a0/0x15a0 [ 74.984215][ T158] kthread+0x3af/0x4a0 [ 74.988274][ T158] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.994164][ T158] ret_from_fork+0x1f/0x30 [ 75.219972][ T158] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.334590][ T158] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.433518][ T158] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.514304][ T158] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.724953][ T158] device hsr_slave_0 left promiscuous mode [ 76.732375][ T158] device hsr_slave_1 left promiscuous mode [ 76.739511][ T158] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.746907][ T158] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.755468][ T158] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.763459][ T158] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.773360][ T158] device bridge_slave_1 left promiscuous mode [ 76.775493][ T8490] can: request_module (can-proto-0) failed. [ 76.780426][ T158] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.793365][ T158] device bridge_slave_0 left promiscuous mode [ 76.799691][ T158] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.808819][ T158] device veth1_macvtap left promiscuous mode [ 76.814809][ T158] device veth0_macvtap left promiscuous mode [ 76.820874][ T158] device veth1_vlan left promiscuous mode [ 76.826592][ T158] device veth0_vlan left promiscuous mode executing program [ 77.652959][ T158] team0 (unregistering): Port device team_slave_1 removed [ 77.664407][ T158] team0 (unregistering): Port device team_slave_0 removed [ 77.674087][ T158] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.685079][ T158] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.712428][ T158] bond0 (unregistering): Released all slaves [ 78.189597][ T8490] can: request_module (can-proto-0) failed. [ 78.199844][ T8490] can: request_module (can-proto-0) failed. [ 78.232539][ T34] audit: type=1400 audit(1605147339.023:9): avc: denied { create } for pid=8477 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 78.354102][ T8490] base_sock_release(00000000e2b686b4) sk=00000000fda19f5b