[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2020/11/04 07:10:39 fuzzer started 2020/11/04 07:10:40 dialing manager at 10.128.0.26:45543 2020/11/04 07:10:41 syscalls: 3433 2020/11/04 07:10:41 code coverage: enabled 2020/11/04 07:10:41 comparison tracing: enabled 2020/11/04 07:10:41 extra coverage: enabled 2020/11/04 07:10:41 setuid sandbox: enabled 2020/11/04 07:10:41 namespace sandbox: enabled 2020/11/04 07:10:41 Android sandbox: /sys/fs/selinux/policy does not exist 2020/11/04 07:10:41 fault injection: enabled 2020/11/04 07:10:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/11/04 07:10:41 net packet injection: enabled 2020/11/04 07:10:41 net device setup: enabled 2020/11/04 07:10:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/11/04 07:10:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/11/04 07:10:41 USB emulation: enabled 2020/11/04 07:10:41 hci packet injection: enabled 2020/11/04 07:10:41 wifi device emulation: enabled 07:14:06 executing program 0: syzkaller login: [ 355.449074][ T8244] IPVS: ftp: loaded support on port[0] = 21 [ 355.949930][ T8244] chnl_net:caif_netlink_parms(): no params data found [ 356.102308][ T8244] bridge0: port 1(bridge_slave_0) entered blocking state [ 356.109662][ T8244] bridge0: port 1(bridge_slave_0) entered disabled state [ 356.119200][ T8244] device bridge_slave_0 entered promiscuous mode [ 356.141438][ T8244] bridge0: port 2(bridge_slave_1) entered blocking state [ 356.148817][ T8244] bridge0: port 2(bridge_slave_1) entered disabled state [ 356.158372][ T8244] device bridge_slave_1 entered promiscuous mode [ 356.226201][ T8244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 356.243661][ T8244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 356.299380][ T8244] team0: Port device team_slave_0 added [ 356.312131][ T8244] team0: Port device team_slave_1 added [ 356.361154][ T8244] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 356.368967][ T8244] 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. [ 356.395150][ T8244] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 356.418257][ T8244] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 356.425413][ T8244] 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. [ 356.451556][ T8244] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 356.519079][ T8244] device hsr_slave_0 entered promiscuous mode [ 356.529025][ T8244] device hsr_slave_1 entered promiscuous mode [ 356.803785][ T8244] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 356.822460][ T8244] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 356.841014][ T8244] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 356.860179][ T8244] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 357.173276][ T8244] 8021q: adding VLAN 0 to HW filter on device bond0 [ 357.206457][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 357.215481][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 357.237090][ T8244] 8021q: adding VLAN 0 to HW filter on device team0 [ 357.258221][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 357.268089][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 357.278419][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 357.285797][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 357.337966][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 357.347459][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 357.357329][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 357.366659][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 357.373866][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 357.376003][ T3497] Bluetooth: hci0: command 0x0409 tx timeout [ 357.382707][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 357.397902][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 357.408700][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 357.418978][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 357.471464][ T8244] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 357.482562][ T8244] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 357.527118][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 357.536755][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.547035][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.557749][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.567360][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.577595][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 357.587111][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 357.600594][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 357.626606][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 357.634122][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 357.664520][ T8244] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 357.722407][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 357.732448][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 357.790314][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 357.800078][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 357.827399][ T8244] device veth0_vlan entered promiscuous mode [ 357.838514][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 357.847405][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 357.880709][ T8244] device veth1_vlan entered promiscuous mode [ 357.916145][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 357.925597][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 357.972786][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 357.982828][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 358.003135][ T8244] device veth0_macvtap entered promiscuous mode [ 358.026440][ T8244] device veth1_macvtap entered promiscuous mode [ 358.075774][ T8244] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 358.083582][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 358.093027][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 358.102366][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 358.112297][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 358.137307][ T8244] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 358.155623][ T8244] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 358.164557][ T8244] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 358.173381][ T8244] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 358.182345][ T8244] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 358.205971][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 358.216122][ T3497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 358.360432][ T8466] Kernel panic - not syncing: kmsan_in_runtime: -1 [ 358.366975][ T8466] CPU: 1 PID: 8466 Comm: kworker/0:3 Not tainted 5.9.0-rc8-syzkaller #0 [ 358.375282][ T8466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.385342][ T8466] Call Trace: [ 358.388690][ T8466] dump_stack+0x21c/0x280 [ 358.393025][ T8466] panic+0x4c8/0xea7 [ 358.396965][ T8466] ? kmsan_report+0x1e0/0x1e0 [ 358.401664][ T8466] ? find_next_and_bit+0x421/0x530 [ 358.406846][ T8466] __msan_instrument_asm_store+0x12d/0x130 [ 358.412680][ T8466] _raw_spin_lock_irqsave+0x5a/0x110 [ 358.417966][ T8466] load_balance+0x23f5/0x5030 [ 358.422638][ T8466] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 358.428458][ T8466] newidle_balance+0x477/0x12e0 [ 358.433304][ T8466] pick_next_task_fair+0x49d/0x1250 [ 358.438497][ T8466] pick_next_task+0x18e/0x6b0 [ 358.443274][ T8466] __schedule+0x24b/0x590 [ 358.447596][ T8466] schedule+0x260/0x330 [ 358.451745][ T8466] schedule_preempt_disabled+0xe/0x10 [ 358.457104][ T8466] kthread+0x421/0x560 [ 358.461163][ T8466] ? process_one_work+0x20a0/0x20a0 [ 358.466347][ T8466] ? kthread_blkcg+0x110/0x110 [ 358.471102][ T8466] ret_from_fork+0x1f/0x30 [ 358.476289][ T8466] Kernel Offset: disabled [ 358.480672][ T8466] Rebooting in 86400 seconds..