[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. 2020/11/11 19:41:58 parsed 1 programs 2020/11/11 19:41:59 executed programs: 0 syzkaller login: [ 48.178906][ T8468] IPVS: ftp: loaded support on port[0] = 21 [ 48.327764][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 48.381371][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.388958][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.399438][ T8468] device bridge_slave_0 entered promiscuous mode [ 48.408356][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.416639][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.425353][ T8468] device bridge_slave_1 entered promiscuous mode [ 48.446063][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.457165][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.479812][ T8468] team0: Port device team_slave_0 added [ 48.487612][ T8468] team0: Port device team_slave_1 added [ 48.505481][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.513019][ T8468] 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. [ 48.541797][ T8468] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.554335][ T8468] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.562372][ T8468] 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. [ 48.589128][ T8468] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.615621][ T8468] device hsr_slave_0 entered promiscuous mode [ 48.623226][ T8468] device hsr_slave_1 entered promiscuous mode [ 48.716814][ T8468] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.726724][ T8468] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.737374][ T8468] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.747745][ T8468] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.773268][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.780491][ T8468] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.788210][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.795364][ T8468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.839018][ T8468] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.856859][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.867947][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.877248][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.885469][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.898095][ T8468] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.909421][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.918840][ T4895] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.926603][ T4895] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.942650][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.952089][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.959156][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.980967][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.989500][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.998605][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.007656][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.018631][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.030713][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.047777][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.056267][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.069113][ T8468] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.088076][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.109147][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.118019][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.126607][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.136966][ T8468] device veth0_vlan entered promiscuous mode [ 49.150788][ T8468] device veth1_vlan entered promiscuous mode [ 49.169908][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.178879][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.187497][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.198858][ T8468] device veth0_macvtap entered promiscuous mode [ 49.208871][ T8468] device veth1_macvtap entered promiscuous mode [ 49.226449][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.234786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.245548][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.257069][ T8468] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.267054][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.281521][ T8468] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.290451][ T8468] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.299121][ T8468] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.307907][ T8468] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.380114][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.388105][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.416432][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.428378][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.435865][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.448038][ T4895] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.501606][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 49.512434][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 49.540335][ T21] 4 locks held by kworker/u4:1/21: [ 49.545504][ T21] #0: ffff888027e52138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 [ 49.558853][ T21] #1: ffffc90000dbfd80 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 [ 49.572725][ T21] #2: ffff888013d08d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 [ 49.582464][ T21] #3: ffffffff8bae6840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 49.594542][ T21] Preemption disabled at: [ 49.594569][ T21] [