Starting getty on tty2-tty6 if dbus and logind are not available... Starting System Logging Service... Starting OpenBSD Secure Shell server... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ 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 '10.128.0.60' (ECDSA) to the list of known hosts. 2020/11/11 08:02:58 fuzzer started 2020/11/11 08:02:59 connecting to host at 10.128.0.26:35955 2020/11/11 08:02:59 checking machine... 2020/11/11 08:02:59 checking revisions... 2020/11/11 08:02:59 testing simple program... syzkaller login: [ 68.692212][ T33] audit: type=1400 audit(1605081779.273:8): avc: denied { execmem } for pid=8496 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 69.896518][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 70.064863][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 70.118735][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.126941][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.135474][ T8498] device bridge_slave_0 entered promiscuous mode [ 70.145101][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.152650][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.161066][ T8498] device bridge_slave_1 entered promiscuous mode [ 70.181596][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.192446][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.213945][ T8498] team0: Port device team_slave_0 added [ 70.222016][ T8498] team0: Port device team_slave_1 added [ 70.239027][ T8498] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.245990][ T8498] 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. [ 70.272099][ T8498] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.285071][ T8498] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.292048][ T8498] 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. [ 70.317954][ T8498] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.344453][ T8498] device hsr_slave_0 entered promiscuous mode [ 70.351246][ T8498] device hsr_slave_1 entered promiscuous mode [ 70.454108][ T8498] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.464533][ T8498] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.474279][ T8498] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.485245][ T8498] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.509312][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.516466][ T8498] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.524260][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.531539][ T8498] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.577884][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.593002][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.603569][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.612657][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.621377][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.635371][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.647373][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.656531][ T2989] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.663827][ T2989] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.690339][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.698623][ T8718] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.705718][ T8718] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.714806][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.723705][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.738252][ T8498] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.748929][ T8498] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.762519][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.770601][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.779000][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.787452][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.807101][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.814883][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.829450][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.850872][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.870361][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.878625][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.887489][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.896975][ T8498] device veth0_vlan entered promiscuous mode [ 70.909485][ T8498] device veth1_vlan entered promiscuous mode [ 70.931373][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.939454][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.947897][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.960065][ T8498] device veth0_macvtap entered promiscuous mode [ 70.969761][ T8498] device veth1_macvtap entered promiscuous mode [ 70.987264][ T8498] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.995157][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.005447][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.016988][ T8498] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.025898][ T8716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.037762][ T8498] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.046990][ T8498] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.059976][ T8498] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.068648][ T8498] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.156204][ T146] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.186634][ T146] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.199113][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.212674][ T146] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.220707][ T146] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.236953][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.273970][ T90] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 71.288418][ T90] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 90, name: kworker/u4:2 [ 71.299127][ T90] 4 locks held by kworker/u4:2/90: [ 71.304946][ T90] #0: ffff888029bdf938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 71.316443][ T90] #1: ffffc90001137da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 71.329825][ T90] #2: ffff8880351e0d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 71.339431][ T90] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 71.370368][ T90] Preemption disabled at: 2020/11/11 08:03:01 building call list... [ 71.370391][ T90] [] __mutex_lock+0x10f/0x10e0 [ 71.396995][ T90] CPU: 1 PID: 90 Comm: kworker/u4:2 Not tainted 5.10.0-rc3-syzkaller #0 [ 71.405331][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.415387][ T90] Workqueue: phy3 ieee80211_iface_work [ 71.420843][ T90] Call Trace: [ 71.424154][ T90] dump_stack+0x107/0x163 [ 71.428497][ T90] ? __mutex_lock+0x10f/0x10e0 [ 71.433264][ T90] ___might_sleep.cold+0x1e8/0x22e [ 71.438377][ T90] sta_info_move_state+0x32/0x8d0 [ 71.443409][ T90] sta_info_free+0x65/0x3b0 [ 71.448019][ T90] sta_info_insert_rcu+0x303/0x2ba0 [ 71.453215][ T90] ? find_held_lock+0x2d/0x110 [ 71.457989][ T90] ? rate_control_rate_init+0x32c/0x6a0 [ 71.463538][ T90] ? sta_info_free+0x3b0/0x3b0 [ 71.468297][ T90] ? __local_bh_enable_ip+0x9c/0x110 [ 71.473602][ T90] ? rate_control_rate_init+0x35f/0x6a0 [ 71.479155][ T90] ieee80211_ibss_finish_sta+0x212/0x390 [ 71.484808][ T90] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 71.490878][ T90] ? __local_bh_enable_ip+0x9c/0x110 [ 71.496165][ T90] ieee80211_ibss_work+0x2c7/0xe80 [ 71.501285][ T90] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 71.507636][ T90] ? mark_held_locks+0x9f/0xe0 [ 71.512401][ T90] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 71.518207][ T90] ? lockdep_hardirqs_on+0x79/0x100 executing program [ 71.523407][ T90] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 71.529212][ T90] ieee80211_iface_work+0x82e/0x970 [ 71.534419][ T90] process_one_work+0x933/0x15a0 [ 71.539352][ T90] ? lock_release+0x710/0x710 [ 71.544019][ T90] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.549403][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 71.554333][ T90] ? _raw_spin_lock_irq+0x41/0x50 [ 71.559381][ T90] worker_thread+0x64c/0x1120 [ 71.564059][ T90] ? process_one_work+0x15a0/0x15a0 [ 71.569254][ T90] kthread+0x3af/0x4a0 [ 71.573318][ T90] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 71.579309][ T90] ret_from_fork+0x1f/0x30 [ 71.593163][ T90] [ 71.595490][ T90] ============================= [ 71.600331][ T90] [ BUG: Invalid wait context ] [ 71.605166][ T90] 5.10.0-rc3-syzkaller #0 Tainted: G W [ 71.611906][ T90] ----------------------------- [ 71.616742][ T90] kworker/u4:2/90 is trying to lock: [ 71.622007][ T90] ffff8880352a29d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 71.632599][ T90] other info that might help us debug this: [ 71.638470][ T90] context-{4:4} [ 71.641912][ T90] 4 locks held by kworker/u4:2/90: [ 71.647006][ T90] #0: ffff888029bdf938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 71.657182][ T90] #1: ffffc90001137da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 71.668387][ T90] #2: ffff8880351e0d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 71.677854][ T90] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 71.687757][ T90] stack backtrace: [ 71.691468][ T90] CPU: 1 PID: 90 Comm: kworker/u4:2 Tainted: G W 5.10.0-rc3-syzkaller #0 [ 71.701179][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.711260][ T90] Workqueue: phy3 ieee80211_iface_work [ 71.716706][ T90] Call Trace: [ 71.719981][ T90] dump_stack+0x107/0x163 [ 71.724298][ T90] __lock_acquire.cold+0x310/0x3a2 [ 71.729401][ T90] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.735369][ T90] ? find_held_lock+0x2d/0x110 [ 71.740122][ T90] lock_acquire+0x2a3/0x8c0 [ 71.744620][ T90] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.750592][ T90] ? lock_release+0x710/0x710 [ 71.755262][ T90] __mutex_lock+0x134/0x10e0 [ 71.759837][ T90] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.765903][ T90] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.771866][ T90] ? mutex_lock_io_nested+0xf60/0xf60 [ 71.777231][ T90] ? ieee80211_clear_fast_rx+0x58/0x80 [ 71.784875][ T90] ? mark_held_locks+0x9f/0xe0 [ 71.789644][ T90] ieee80211_recalc_min_chandef+0x49/0x140 [ 71.795443][ T90] sta_info_move_state+0x3cf/0x8d0 [ 71.800543][ T90] sta_info_free+0x65/0x3b0 [ 71.805033][ T90] sta_info_insert_rcu+0x303/0x2ba0 [ 71.810219][ T90] ? find_held_lock+0x2d/0x110 [ 71.814973][ T90] ? rate_control_rate_init+0x32c/0x6a0 [ 71.820506][ T90] ? sta_info_free+0x3b0/0x3b0 [ 71.825255][ T90] ? __local_bh_enable_ip+0x9c/0x110 [ 71.830525][ T90] ? rate_control_rate_init+0x35f/0x6a0 [ 71.836056][ T90] ieee80211_ibss_finish_sta+0x212/0x390 [ 71.841676][ T90] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 71.847731][ T90] ? __local_bh_enable_ip+0x9c/0x110 [ 71.853002][ T90] ieee80211_ibss_work+0x2c7/0xe80 [ 71.858100][ T90] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 71.864415][ T90] ? mark_held_locks+0x9f/0xe0 [ 71.869169][ T90] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 71.874963][ T90] ? lockdep_hardirqs_on+0x79/0x100 [ 71.880151][ T90] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 71.885948][ T90] ieee80211_iface_work+0x82e/0x970 [ 71.891138][ T90] process_one_work+0x933/0x15a0 [ 71.896063][ T90] ? lock_release+0x710/0x710 [ 71.900724][ T90] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.906083][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 71.911036][ T90] ? _raw_spin_lock_irq+0x41/0x50 [ 71.916044][ T90] worker_thread+0x64c/0x1120 [ 71.920722][ T90] ? process_one_work+0x15a0/0x15a0 [ 71.925921][ T90] kthread+0x3af/0x4a0 [ 71.929989][ T90] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 71.935871][ T90] ret_from_fork+0x1f/0x30 [ 71.951286][ T8719] Bluetooth: hci0: command 0x0409 tx timeout [ 72.120524][ T90] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.223635][ T90] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.312206][ T90] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.404502][ T90] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.665106][ T90] device hsr_slave_0 left promiscuous mode [ 73.672771][ T90] device hsr_slave_1 left promiscuous mode [ 73.679176][ T90] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.686798][ T90] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.695363][ T90] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.703469][ T90] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.711515][ T90] device bridge_slave_1 left promiscuous mode [ 73.717630][ T90] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.725848][ T90] device bridge_slave_0 left promiscuous mode [ 73.732056][ T90] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.741123][ T90] device veth1_macvtap left promiscuous mode [ 73.747096][ T90] device veth0_macvtap left promiscuous mode [ 73.753239][ T90] device veth1_vlan left promiscuous mode [ 73.758956][ T90] device veth0_vlan left promiscuous mode executing program [ 74.543287][ T90] team0 (unregistering): Port device team_slave_1 removed [ 74.552758][ T90] team0 (unregistering): Port device team_slave_0 removed [ 74.562231][ T90] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.574781][ T90] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.601905][ T90] bond0 (unregistering): Released all slaves [ 74.647117][ T8484] can: request_module (can-proto-0) failed. [ 75.043846][ T8484] can: request_module (can-proto-0) failed. [ 75.053608][ T8484] can: request_module (can-proto-0) failed. [ 75.083770][ T33] audit: type=1400 audit(1605081785.664:9): avc: denied { create } for pid=8481 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1