Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started Regular background program processing daemon. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ 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 Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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 '10.128.1.17' (ECDSA) to the list of known hosts. 2020/11/12 19:47:47 fuzzer started 2020/11/12 19:47:47 connecting to host at 10.128.0.26:45227 2020/11/12 19:47:47 checking machine... 2020/11/12 19:47:47 checking revisions... 2020/11/12 19:47:47 testing simple program... syzkaller login: [ 70.031235][ T35] audit: type=1400 audit(1605210467.975:8): avc: denied { execmem } for pid=8491 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 71.236511][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 71.387623][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 71.444363][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.452086][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.463969][ T8492] device bridge_slave_0 entered promiscuous mode [ 71.474197][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.481592][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.489317][ T8492] device bridge_slave_1 entered promiscuous mode [ 71.511054][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.522757][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.546678][ T8492] team0: Port device team_slave_0 added [ 71.554690][ T8492] team0: Port device team_slave_1 added [ 71.574657][ T8492] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.581788][ T8492] 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. [ 71.607761][ T8492] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.621023][ T8492] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.627976][ T8492] 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. [ 71.653948][ T8492] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.683692][ T8492] device hsr_slave_0 entered promiscuous mode [ 71.691243][ T8492] device hsr_slave_1 entered promiscuous mode [ 71.803701][ T8492] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.814788][ T8492] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.826185][ T8492] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.837259][ T8492] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.865348][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.872554][ T8492] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.880717][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.887841][ T8492] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.942389][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.958114][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.969082][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.977840][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.986136][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.002143][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.013925][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.022860][ T23] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.029999][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.050231][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.058648][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.065767][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.080645][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.099217][ T8492] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.111500][ T8492] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.124218][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.133191][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.142614][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.151783][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.160768][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.179965][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.187414][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.202491][ T8492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.224061][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.246166][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.254682][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.263878][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.275221][ T8492] device veth0_vlan entered promiscuous mode [ 72.287305][ T8492] device veth1_vlan entered promiscuous mode [ 72.311865][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.321316][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.329526][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.344529][ T8492] device veth0_macvtap entered promiscuous mode [ 72.354735][ T8492] device veth1_macvtap entered promiscuous mode [ 72.364458][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.385265][ T8492] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.392754][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.402431][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.414970][ T8492] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.422743][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.433457][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 72.446784][ T8492] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.458314][ T8492] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.470646][ T8492] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.479334][ T8492] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.577720][ T320] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.607052][ T320] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 72.621395][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.629416][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.644637][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.661950][ T3117] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.703079][ T8] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 72.730352][ T8] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8, name: kworker/u4:0 [ 72.750419][ T8] 4 locks held by kworker/u4:0/8: [ 72.755481][ T8] #0: ffff888028d5f938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 72.788556][ T8] #1: ffffc90000cefda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 2020/11/12 19:47:50 building call list... [ 72.809612][ T8] #2: ffff8880288a0d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 72.819158][ T8] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 72.875213][ T8] Preemption disabled at: [ 72.875242][ T8] [] __mutex_lock+0x10f/0x10e0 [ 72.896410][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc3-syzkaller #0 [ 72.904676][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.914749][ T8] Workqueue: phy3 ieee80211_iface_work [ 72.920223][ T8] Call Trace: [ 72.923520][ T8] dump_stack+0x107/0x163 [ 72.927859][ T8] ? __mutex_lock+0x10f/0x10e0 [ 72.932635][ T8] ___might_sleep.cold+0x1e8/0x22e [ 72.937766][ T8] sta_info_move_state+0x32/0x8d0 [ 72.942811][ T8] sta_info_free+0x65/0x3b0 [ 72.947343][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 72.952554][ T8] ? find_held_lock+0x2d/0x110 [ 72.957335][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 72.962913][ T8] ? sta_info_free+0x3b0/0x3b0 [ 72.967683][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 72.972981][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 72.978535][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 72.984176][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 72.990247][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 72.995538][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 73.000662][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 73.006996][ T8] ? mark_held_locks+0x9f/0xe0 [ 73.011772][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 73.017578][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 73.022785][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 73.028702][ T8] ieee80211_iface_work+0x82e/0x970 [ 73.033915][ T8] process_one_work+0x933/0x15a0 [ 73.038859][ T8] ? lock_release+0x710/0x710 [ 73.043541][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.048924][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 73.053855][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 73.058886][ T8] worker_thread+0x64c/0x1120 [ 73.063580][ T8] ? process_one_work+0x15a0/0x15a0 [ 73.068764][ T8] kthread+0x3af/0x4a0 [ 73.072825][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 73.078719][ T8] ret_from_fork+0x1f/0x30 [ 73.110450][ T8] [ 73.112797][ T8] ============================= [ 73.117626][ T8] [ BUG: Invalid wait context ] [ 73.122467][ T8] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 73.129216][ T8] ----------------------------- [ 73.134052][ T8] kworker/u4:0/8 is trying to lock: [ 73.139236][ T8] ffff888034da29d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 73.149955][ T8] other info that might help us debug this: [ 73.155833][ T8] context-{4:4} [ 73.159265][ T8] 4 locks held by kworker/u4:0/8: [ 73.164261][ T8] #0: ffff888028d5f938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 73.174439][ T8] #1: ffffc90000cefda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 73.185688][ T8] #2: ffff8880288a0d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 73.195186][ T8] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 73.205093][ T8] stack backtrace: [ 73.208807][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 73.218423][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.228477][ T8] Workqueue: phy3 ieee80211_iface_work [ 73.233924][ T8] Call Trace: [ 73.237210][ T8] dump_stack+0x107/0x163 [ 73.241531][ T8] __lock_acquire.cold+0x310/0x3a2 [ 73.246635][ T8] ? debug_mutex_unlock+0x53/0x250 [ 73.251738][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.257714][ T8] lock_acquire+0x2a3/0x8c0 [ 73.262215][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 73.268186][ T8] ? lock_release+0x710/0x710 [ 73.272855][ T8] __mutex_lock+0x134/0x10e0 [ 73.277434][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 73.283409][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 73.289375][ T8] ? mutex_lock_io_nested+0xf60/0xf60 [ 73.294747][ T8] ? ieee80211_clear_fast_rx+0x58/0x80 [ 73.300204][ T8] ? mark_held_locks+0x9f/0xe0 [ 73.304973][ T8] ieee80211_recalc_min_chandef+0x49/0x140 [ 73.310778][ T8] sta_info_move_state+0x3cf/0x8d0 [ 73.315889][ T8] sta_info_free+0x65/0x3b0 [ 73.320384][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 73.325574][ T8] ? find_held_lock+0x2d/0x110 [ 73.330337][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 73.335871][ T8] ? sta_info_free+0x3b0/0x3b0 [ 73.340642][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 73.345928][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 73.351605][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 73.357240][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 73.363302][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 73.368577][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 73.373683][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 73.380006][ T8] ? mark_held_locks+0x9f/0xe0 [ 73.384778][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 73.390602][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 73.395793][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 73.401589][ T8] ieee80211_iface_work+0x82e/0x970 [ 73.406778][ T8] process_one_work+0x933/0x15a0 [ 73.411730][ T8] ? lock_release+0x710/0x710 [ 73.416395][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.421758][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 73.426684][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 73.431700][ T8] worker_thread+0x64c/0x1120 [ 73.436384][ T8] ? process_one_work+0x15a0/0x15a0 [ 73.441573][ T8] kthread+0x3af/0x4a0 [ 73.445632][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 73.451529][ T8] ret_from_fork+0x1f/0x30 [ 73.457655][ T8711] Bluetooth: hci0: command 0x0409 tx timeout [ 73.653874][ T320] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.731146][ T320] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.814597][ T320] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.906397][ T320] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.141233][ T320] device hsr_slave_0 left promiscuous mode [ 75.150183][ T320] device hsr_slave_1 left promiscuous mode [ 75.162469][ T320] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.172867][ T320] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.182016][ T320] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.190283][ T320] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.198276][ T320] device bridge_slave_1 left promiscuous mode [ 75.205403][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.214671][ T320] device bridge_slave_0 left promiscuous mode [ 75.221634][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.232347][ T320] device veth1_macvtap left promiscuous mode [ 75.238349][ T320] device veth0_macvtap left promiscuous mode [ 75.245795][ T320] device veth1_vlan left promiscuous mode [ 75.252298][ T320] device veth0_vlan left promiscuous mode executing program [ 76.085145][ T320] team0 (unregistering): Port device team_slave_1 removed [ 76.095941][ T320] team0 (unregistering): Port device team_slave_0 removed [ 76.107333][ T320] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.118185][ T320] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.145568][ T320] bond0 (unregistering): Released all slaves [ 76.226891][ T8736] can: request_module (can-proto-0) failed. [ 76.657862][ T8736] can: request_module (can-proto-0) failed. [ 76.667550][ T8736] can: request_module (can-proto-0) failed. [ 76.698958][ T35] audit: type=1400 audit(1605210474.635:9): avc: denied { create } for pid=8475 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 76.817756][ T8736] base_sock_release(0000000037d2c8b4) sk=000000007465696f