[ OK ] Started Getty on tty5. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. 2020/12/01 15:08:53 parsed 1 programs 2020/12/01 15:08:53 executed programs: 0 syzkaller login: [ 65.356135][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 65.507498][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 65.559930][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.567975][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.576541][ T8493] device bridge_slave_0 entered promiscuous mode [ 65.586026][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.593404][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.602888][ T8493] device bridge_slave_1 entered promiscuous mode [ 65.623497][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.634580][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.657115][ T8493] team0: Port device team_slave_0 added [ 65.664363][ T8493] team0: Port device team_slave_1 added [ 65.682692][ T8493] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.689633][ T8493] 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. [ 65.715600][ T8493] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.728237][ T8493] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.735296][ T8493] 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. [ 65.761284][ T8493] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.789006][ T8493] device hsr_slave_0 entered promiscuous mode [ 65.795730][ T8493] device hsr_slave_1 entered promiscuous mode [ 65.895255][ T8493] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.905126][ T8493] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.914973][ T8493] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.925453][ T8493] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.950761][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.957903][ T8493] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.965789][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.972933][ T8493] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.017637][ T8493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.034601][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.045570][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.054267][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.063105][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.075957][ T8493] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.087165][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.096810][ T33] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.103932][ T33] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.120738][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.129311][ T8712] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.136417][ T8712] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.153234][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.171542][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.179913][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.189198][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.198410][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.208194][ T8493] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.227255][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.235117][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.248581][ T8493] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.268007][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.289990][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.298833][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.307655][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.318462][ T8493] device veth0_vlan entered promiscuous mode [ 66.333101][ T8493] device veth1_vlan entered promiscuous mode [ 66.355300][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.363947][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.372889][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.383906][ T8493] device veth0_macvtap entered promiscuous mode [ 66.395696][ T8493] device veth1_macvtap entered promiscuous mode [ 66.414785][ T8493] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.423348][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.433147][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.446283][ T8493] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.454903][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.466117][ T8493] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.476654][ T8493] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.485545][ T8493] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.495121][ T8493] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.565870][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.596248][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.622797][ T715] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.633928][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.640392][ T715] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.650154][ T8712] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.674450][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 66.684415][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 66.709623][ T21] 4 locks held by kworker/u4:1/21: [ 66.715584][ T21] #0: ffff88801be0b138 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 66.726399][ T21] #1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 66.738162][ T21] #2: ffff888012d30d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 66.748106][ T21] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 66.759070][ T21] Preemption disabled at: [ 66.759097][ T21] [] __mutex_lock+0x10f/0x10e0 [ 66.772229][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0 [ 66.780555][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.790623][ T21] Workqueue: phy4 ieee80211_iface_work [ 66.796090][ T21] Call Trace: [ 66.799387][ T21] dump_stack+0x107/0x163 [ 66.803725][ T21] ? __mutex_lock+0x10f/0x10e0 [ 66.808496][ T21] ___might_sleep.cold+0x1e8/0x22e [ 66.813613][ T21] sta_info_move_state+0x32/0x8d0 [ 66.818646][ T21] sta_info_free+0x65/0x3b0 [ 66.823154][ T21] st