[ 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... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. 2020/11/11 04:09:05 parsed 1 programs 2020/11/11 04:09:05 executed programs: 0 syzkaller login: [ 48.485463][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 48.636675][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 48.688148][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.696058][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.705033][ T8474] device bridge_slave_0 entered promiscuous mode [ 48.714146][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.722154][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.731172][ T8474] device bridge_slave_1 entered promiscuous mode [ 48.751618][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.762421][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.784539][ T8474] team0: Port device team_slave_0 added [ 48.791726][ T8474] team0: Port device team_slave_1 added [ 48.810456][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.817473][ T8474] 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. [ 48.843747][ T8474] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.856466][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.863479][ T8474] 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. [ 48.889462][ T8474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.916147][ T8474] device hsr_slave_0 entered promiscuous mode [ 48.923786][ T8474] device hsr_slave_1 entered promiscuous mode [ 49.016650][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.026402][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.036961][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.046673][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.070320][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.077490][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.085517][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.092680][ T8474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.134662][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.151111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.163192][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.172364][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.180598][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.193984][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.204599][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.214477][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.221610][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.241558][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.250614][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.257654][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.277114][ T8474] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.288464][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.304358][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.313715][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.323695][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.335725][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.355741][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.363988][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.371520][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.379568][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.387107][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.407291][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.426660][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.435807][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.444716][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.456128][ T8474] device veth0_vlan entered promiscuous mode [ 49.468541][ T8474] device veth1_vlan entered promiscuous mode [ 49.488865][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.496930][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.506339][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.517219][ T8474] device veth0_macvtap entered promiscuous mode [ 49.527801][ T8474] device veth1_macvtap entered promiscuous mode [ 49.545262][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.553949][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.564663][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.576209][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.585490][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.597205][ T8474] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.611244][ T8474] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.620625][ T8474] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.630285][ T8474] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.712442][ T28] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.736235][ T28] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.753540][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.763819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.775185][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.789521][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.801441][ T46] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 49.812554][ T46] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 46, name: kworker/u4:3 [ 49.822798][ T46] 4 locks held by kworker/u4:3/46: [ 49.830939][ T46] #0: ffff88802a65c938 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 [ 49.842069][ T46] #1: ffffc90000e3fd80 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 [ 49.867091][ T46] #2: ffff888015040d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 [ 49.881642][ T46] #3: ffffffff8bae6840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 49.893026][ T46] Preemption disabled at: [ 49.893053][ T46] [] __mutex_lock_common+0x15c/0x2f20 [