[ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts. 2020/11/09 08:13:31 fuzzer started 2020/11/09 08:13:32 dialing manager at 10.128.0.26:40321 2020/11/09 08:13:32 syscalls: 3433 2020/11/09 08:13:32 code coverage: enabled 2020/11/09 08:13:32 comparison tracing: enabled 2020/11/09 08:13:32 extra coverage: enabled 2020/11/09 08:13:32 setuid sandbox: enabled 2020/11/09 08:13:32 namespace sandbox: enabled 2020/11/09 08:13:32 Android sandbox: /sys/fs/selinux/policy does not exist 2020/11/09 08:13:32 fault injection: enabled 2020/11/09 08:13:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/11/09 08:13:32 net packet injection: enabled 2020/11/09 08:13:32 net device setup: enabled 2020/11/09 08:13:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/11/09 08:13:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/11/09 08:13:32 USB emulation: enabled 2020/11/09 08:13:32 hci packet injection: enabled 2020/11/09 08:13:32 wifi device emulation: enabled 08:17:20 executing program 0: syzkaller login: [ 379.529929][ T8265] IPVS: ftp: loaded support on port[0] = 21 [ 379.972582][ T8265] chnl_net:caif_netlink_parms(): no params data found [ 380.125507][ T8265] bridge0: port 1(bridge_slave_0) entered blocking state [ 380.132773][ T8265] bridge0: port 1(bridge_slave_0) entered disabled state [ 380.142252][ T8265] device bridge_slave_0 entered promiscuous mode [ 380.162726][ T8265] bridge0: port 2(bridge_slave_1) entered blocking state [ 380.170711][ T8265] bridge0: port 2(bridge_slave_1) entered disabled state [ 380.180197][ T8265] device bridge_slave_1 entered promiscuous mode [ 380.236909][ T8265] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 380.253191][ T8265] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 380.304640][ T8265] team0: Port device team_slave_0 added [ 380.317526][ T8265] team0: Port device team_slave_1 added [ 380.366298][ T8265] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 380.373390][ T8265] 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. [ 380.399554][ T8265] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 380.415732][ T8265] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 380.422812][ T8265] 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. [ 380.449008][ T8265] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 380.512679][ T8265] device hsr_slave_0 entered promiscuous mode [ 380.523379][ T8265] device hsr_slave_1 entered promiscuous mode [ 380.776763][ T8265] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 380.806267][ T8265] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 380.857356][ T8486] Kernel panic - not syncing: kmsan_in_runtime: -1 [ 380.863881][ T8486] CPU: 1 PID: 8486 Comm: kworker/0:0 Not tainted 5.9.0-rc8-syzkaller #0 [ 380.872185][ T8486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.882220][ T8486] Call Trace: [ 380.885562][ T8486] dump_stack+0x21c/0x280 [ 380.889883][ T8486] panic+0x4c8/0xea7 [ 380.893774][ T8486] ? util_est_dequeue+0xd8/0x970 [ 380.898750][ T8486] ? kmsan_internal_memset_shadow+0x4e/0xb0 [ 380.904733][ T8486] __msan_poison_alloca+0x106/0x110 [ 380.909920][ T8486] ? util_est_dequeue+0xd8/0x970 [ 380.914840][ T8486] ? util_est_dequeue+0xd8/0x970 [ 380.919762][ T8486] util_est_dequeue+0xd8/0x970 [ 380.924529][ T8486] ? psi_group_change+0x10e3/0x1440 [ 380.929715][ T8486] dequeue_task_fair+0x891/0x1260 [ 380.934732][ T8486] ? enqueue_task_fair+0x2f80/0x2f80 [ 380.940013][ T8486] deactivate_task+0x312/0x530 [ 380.944766][ T8486] detach_tasks+0x1823/0x1db0 [ 380.949437][ T8486] ? kmsan_get_metadata+0x116/0x180 [ 380.954631][ T8486] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 380.960773][ T8486] ? update_rq_clock+0x431/0x6a0 [ 380.965698][ T8486] load_balance+0x244d/0x5030 [ 380.970363][ T8486] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 380.976171][ T8486] newidle_balance+0x477/0x12e0 [ 380.981025][ T8486] pick_next_task_fair+0x49d/0x1250 [ 380.986241][ T8486] pick_next_task+0x18e/0x6b0 [ 380.990973][ T8486] __schedule+0x24b/0x590 [ 380.995293][ T8486] schedule+0x260/0x330 [ 380.999442][ T8486] schedule_preempt_disabled+0xe/0x10 [ 381.004799][ T8486] kthread+0x421/0x560 [ 381.008855][ T8486] ? process_one_work+0x20a0/0x20a0 [ 381.014038][ T8486] ? kthread_blkcg+0x110/0x110 [ 381.018787][ T8486] ret_from_fork+0x1f/0x30 [ 382.124877][ T8486] Shutting down cpus with NMI [ 382.141678][ T8486] Kernel Offset: disabled [ 382.146000][ T8486] Rebooting in 86400 seconds..