[[0;32m OK [0m] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[[0;32m OK [0m] Started Getty on tty6.
[[0;32m OK [0m] Started Getty on tty5.
[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts.
Debian GNU/Linux 9 syzkaller ttyS0
2020/11/07 12:46:57 fuzzer started
2020/11/07 12:46:57 connecting to host at 10.128.0.26:44715
2020/11/07 12:46:57 checking machine...
2020/11/07 12:46:57 checking revisions...
2020/11/07 12:46:57 testing simple program...
syzkaller login: [ 70.913716][ T34] audit: type=1400 audit(1604753217.926:8): avc: denied { execmem } for pid=8483 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 72.054234][ T8484] IPVS: ftp: loaded support on port[0] = 21
[ 72.218925][ T8484] chnl_net:caif_netlink_parms(): no params data found
[ 72.283421][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.291507][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.300929][ T8484] device bridge_slave_0 entered promiscuous mode
[ 72.310228][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.317649][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.326586][ T8484] device bridge_slave_1 entered promiscuous mode
[ 72.350292][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.361285][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.386645][ T8484] team0: Port device team_slave_0 added
[ 72.394396][ T8484] team0: Port device team_slave_1 added
[ 72.413039][ T8484] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 72.420037][ T8484] 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.
[ 72.446832][ T8484] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 72.460576][ T8484] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 72.468220][ T8484] 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.
[ 72.495988][ T8484] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 72.524941][ T8484] device hsr_slave_0 entered promiscuous mode
[ 72.531772][ T8484] device hsr_slave_1 entered promiscuous mode
[ 72.640604][ T8484] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 72.651075][ T8484] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 72.668422][ T8484] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 72.679276][ T8484] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 72.706176][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.713310][ T8484] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 72.721392][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.728544][ T8484] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 72.780124][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0
[ 72.793798][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 72.807483][ T2986] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.816836][ T2986] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.824745][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 72.838990][ T8484] 8021q: adding VLAN 0 to HW filter on device team0
[ 72.851331][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 72.860780][ T2986] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.867919][ T2986] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 72.885636][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 72.894476][ T5] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.901746][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 72.917691][ T8702] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 72.927388][ T8702] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 72.941692][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 72.956459][ T8702] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 72.967794][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 72.980884][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 73.000247][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 73.009767][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 73.025508][ T8484] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 73.046179][ T8702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 73.069459][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 73.078805][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 73.087885][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 73.099877][ T8484] device veth0_vlan entered promiscuous mode
[ 73.113498][ T8484] device veth1_vlan entered promiscuous mode
[ 73.137976][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 73.147488][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 73.156356][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 73.169158][ T8484] device veth0_macvtap entered promiscuous mode
[ 73.181060][ T8484] device veth1_macvtap entered promiscuous mode
[ 73.199852][ T8484] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 73.209150][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 73.220229][ T3177] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 73.232222][ T8484] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 73.239952][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 73.248763][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 73.260403][ T8484] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 73.269773][ T8484] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 73.278915][ T8484] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 73.298095][ T8484] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 73.395112][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 73.403415][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 73.438054][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 73.439162][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 73.454816][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 73.466621][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 73.489722][ T150] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
[ 73.502249][ T150] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 150, name: kworker/u4:3
[ 73.519706][ T150] 4 locks held by kworker/u4:3/150:
[ 73.526470][ T150] #0: ffff888029ca5138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0
[ 73.537933][ T150] #1: ffffc90001377da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0
[ 73.549586][ T150] #2: ffff888034a28d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80
[ 73.559823][ T150] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0
[ 73.584083][ T150] Preemption disabled at:
[ 73.584112][ T150] [<ffffffff88e7072f>] __mutex_lock+0x10f/0x10e0
[ 73.595090][ T150] CPU: 1 PID: 150 Comm: kworker/u4:3 Not tainted 5.10.0-rc2-syzkaller #0
[ 73.603512][ T150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.613589][ T150] Workqueue: phy4 ieee80211_iface_work
[ 73.619063][ T150] Call Trace:
[ 73.622368][ T150] dump_stack+0x107/0x163
[ 73.626712][ T150] ? __mutex_lock+0x10f/0x10e0
[ 73.631488][ T150] ___might_sleep.cold+0x1e8/0x22e
executing program
[ 73.636611][ T150] sta_info_move_state+0x32/0x8d0
[ 73.641650][ T150] sta_info_free+0x65/0x3b0
[ 73.646170][ T150] sta_info_insert_rcu+0x303/0x2ba0
[ 73.651393][ T150] ? find_held_lock+0x2d/0x110
[ 73.656179][ T150] ? rate_control_rate_init+0x32c/0x6a0
[ 73.661747][ T150] ? sta_info_free+0x3b0/0x3b0
[ 73.666534][ T150] ? __local_bh_enable_ip+0x9c/0x110
[ 73.671840][ T150] ? rate_control_rate_init+0x35f/0x6a0
[ 73.677405][ T150] ieee80211_ibss_finish_sta+0x212/0x390
[ 73.683056][ T150] ? ieee80211_ibss_build_presp+0x15f0/0x15f0
2020/11/07 12:47:00 building call list...
[ 73.689145][ T150] ? __local_bh_enable_ip+0x9c/0x110
[ 73.694454][ T150] ieee80211_ibss_work+0x2c7/0xe80
[ 73.699588][ T150] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870
[ 73.705947][ T150] ? mark_held_locks+0x9f/0xe0
[ 73.710736][ T150] ? _raw_spin_unlock_irqrestore+0x42/0x50
[ 73.716665][ T150] ? lockdep_hardirqs_on+0x79/0x100
[ 73.721884][ T150] ? _raw_spin_unlock_irqrestore+0x2f/0x50
[ 73.727720][ T150] ieee80211_iface_work+0x82e/0x970
[ 73.732947][ T150] process_one_work+0x933/0x15a0
[ 73.737908][ T150] ? lock_release+0x710/0x710
[ 73.742592][ T150] ? pwq_dec_nr_in_flight+0x320/0x320
[ 73.747976][ T150] ? rwlock_bug.part.0+0x90/0x90
[ 73.752918][ T150] ? _raw_spin_lock_irq+0x41/0x50
[ 73.757957][ T150] worker_thread+0x64c/0x1120
[ 73.762653][ T150] ? __kthread_parkme+0x13f/0x1e0
[ 73.767688][ T150] ? process_one_work+0x15a0/0x15a0
[ 73.772895][ T150] kthread+0x3af/0x4a0
[ 73.776969][ T150] ? kthread_create_worker_on_cpu+0xf0/0xf0
[ 73.782871][ T150] ret_from_fork+0x1f/0x30
[ 73.835121][ T150]
[ 73.837477][ T150] =============================
[ 73.842318][ T150] [ BUG: Invalid wait context ]
[ 73.847158][ T150] 5.10.0-rc2-syzkaller #0 Tainted: G W
[ 73.853909][ T150] -----------------------------
[ 73.858752][ T150] kworker/u4:3/150 is trying to lock:
[ 73.864146][ T150] ffff8880349429d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140
[ 73.874766][ T150] other info that might help us debug this:
[ 73.880657][ T150] context-{4:4}
[ 73.884112][ T150] 4 locks held by kworker/u4:3/150:
[ 73.889297][ T150] #0: ffff888029ca5138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0
[ 73.899473][ T150] #1: ffffc90001377da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0
[ 73.910693][ T150] #2: ffff888034a28d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80
[ 73.920166][ T150] #3: ffffffff8b337060 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0
[ 73.930069][ T150] stack backtrace:
[ 73.933802][ T150] CPU: 1 PID: 150 Comm: kworker/u4:3 Tainted: G W 5.10.0-rc2-syzkaller #0
[ 73.943611][ T150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.953745][ T150] Workqueue: phy4 ieee80211_iface_work
[ 73.959198][ T150] Call Trace:
[ 73.962476][ T150] dump_stack+0x107/0x163
[ 73.966786][ T150] __lock_acquire.cold+0x310/0x3a2
[ 73.971879][ T150] ? debug_mutex_unlock+0xc3/0x250
[ 73.976973][ T150] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 73.983080][ T150] lock_acquire+0x2a3/0x8c0
[ 73.987579][ T150] ? ieee80211_recalc_min_chandef+0x49/0x140
[ 73.993567][ T150] ? lock_release+0x710/0x710
[ 73.998234][ T150] __mutex_lock+0x134/0x10e0
[ 74.002813][ T150] ? ieee80211_recalc_min_chandef+0x49/0x140
[ 74.008797][ T150] ? ieee80211_recalc_min_chandef+0x49/0x140
[ 74.014758][ T150] ? mutex_lock_io_nested+0xf60/0xf60
[ 74.020131][ T150] ? ieee80211_clear_fast_rx+0x58/0x80
[ 74.025574][ T150] ? mark_held_locks+0x9f/0xe0
[ 74.030322][ T150] ieee80211_recalc_min_chandef+0x49/0x140
[ 74.036125][ T150] sta_info_move_state+0x3cf/0x8d0
[ 74.041226][ T150] sta_info_free+0x65/0x3b0
[ 74.045713][ T150] sta_info_insert_rcu+0x303/0x2ba0
[ 74.050892][ T150] ? find_held_lock+0x2d/0x110
[ 74.055636][ T150] ? rate_control_rate_init+0x32c/0x6a0
[ 74.061176][ T150] ? sta_info_free+0x3b0/0x3b0
[ 74.065922][ T150] ? __local_bh_enable_ip+0x9c/0x110
[ 74.071185][ T150] ? rate_control_rate_init+0x35f/0x6a0
[ 74.076717][ T150] ieee80211_ibss_finish_sta+0x212/0x390
[ 74.082341][ T150] ? ieee80211_ibss_build_presp+0x15f0/0x15f0
[ 74.088387][ T150] ? __local_bh_enable_ip+0x9c/0x110
[ 74.093668][ T150] ieee80211_ibss_work+0x2c7/0xe80
[ 74.098762][ T150] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870
[ 74.105071][ T150] ? mark_held_locks+0x9f/0xe0
[ 74.109817][ T150] ? _raw_spin_unlock_irqrestore+0x42/0x50
[ 74.115614][ T150] ? lockdep_hardirqs_on+0x79/0x100
[ 74.120802][ T150] ? _raw_spin_unlock_irqrestore+0x2f/0x50
[ 74.126615][ T150] ieee80211_iface_work+0x82e/0x970
[ 74.131813][ T150] process_one_work+0x933/0x15a0
[ 74.136750][ T150] ? lock_release+0x710/0x710
[ 74.141415][ T150] ? pwq_dec_nr_in_flight+0x320/0x320
[ 74.146773][ T150] ? rwlock_bug.part.0+0x90/0x90
[ 74.151710][ T150] ? _raw_spin_lock_irq+0x41/0x50
[ 74.156730][ T150] worker_thread+0x64c/0x1120
[ 74.161400][ T150] ? __kthread_parkme+0x13f/0x1e0
[ 74.166471][ T150] ? process_one_work+0x15a0/0x15a0
[ 74.171675][ T150] kthread+0x3af/0x4a0
[ 74.175735][ T150] ? kthread_create_worker_on_cpu+0xf0/0xf0
[ 74.181627][ T150] ret_from_fork+0x1f/0x30
[ 74.205932][ T5] Bluetooth: hci0: command 0x0409 tx timeout
[ 74.411056][ T150] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.502780][ T150] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.600173][ T150] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 74.682040][ T150] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 75.845748][ T150] device hsr_slave_0 left promiscuous mode
[ 75.862558][ T150] device hsr_slave_1 left promiscuous mode
[ 75.869010][ T150] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 75.877446][ T150] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 75.886360][ T150] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 75.893733][ T150] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 75.904103][ T150] device bridge_slave_1 left promiscuous mode
[ 75.911456][ T150] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.920141][ T150] device bridge_slave_0 left promiscuous mode
[ 75.927476][ T150] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.937999][ T150] device veth1_macvtap left promiscuous mode
[ 75.943998][ T150] device veth0_macvtap left promiscuous mode
[ 75.951281][ T150] device veth1_vlan left promiscuous mode
[ 75.957673][ T150] device veth0_vlan left promiscuous mode
executing program
[ 77.090130][ T150] team0 (unregistering): Port device team_slave_1 removed
[ 77.102021][ T150] team0 (unregistering): Port device team_slave_0 removed
[ 77.112228][ T150] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 77.123793][ T150] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 77.151546][ T150] bond0 (unregistering): Released all slaves
[ 77.212152][ T8728] can: request_module (can-proto-0) failed.
[ 77.638290][ T8728] can: request_module (can-proto-0) failed.
[ 77.648401][ T8728] can: request_module (can-proto-0) failed.
[ 77.681529][ T34] audit: type=1400 audit(1604753224.697:9): avc: denied { create } for pid=8468 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1
[ 77.801564][ T8728] base_sock_release(00000000971635ba) sk=00000000112427ec