Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. syzkaller login: [ 91.439273][ T8839] IPVS: ftp: loaded support on port[0] = 21 [ 91.609030][ T8839] chnl_net:caif_netlink_parms(): no params data found [ 91.805995][ T8839] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.813760][ T8839] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.823454][ T8839] device bridge_slave_0 entered promiscuous mode [ 91.833374][ T8839] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.841026][ T8839] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.850150][ T8839] device bridge_slave_1 entered promiscuous mode [ 91.884563][ T8839] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.898251][ T8839] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.936404][ T8839] team0: Port device team_slave_0 added [ 91.946057][ T8839] team0: Port device team_slave_1 added [ 91.977346][ T8839] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.984663][ T8839] 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. [ 92.012639][ T8839] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.026003][ T8839] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.033323][ T8839] 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. [ 92.060351][ T8839] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.144198][ T8839] device hsr_slave_0 entered promiscuous mode [ 92.198247][ T8839] device hsr_slave_1 entered promiscuous mode [ 92.408055][ T8839] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.471626][ T8839] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.530258][ T8839] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.596530][ T8839] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.748914][ T8839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.769325][ T3387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.780195][ T3387] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.798718][ T8839] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.811927][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.822383][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.831865][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.839386][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.854922][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.865247][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.875685][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.886075][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.894255][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.912054][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.937293][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.947663][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.958258][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.988218][ T8839] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.000212][ T8839] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.016248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.026024][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.037174][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.048105][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.058274][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.068856][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.078708][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.093806][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.124947][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.133257][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.156593][ T8839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.189873][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.200878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.232636][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.242804][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.260775][ T8839] device veth0_vlan entered promiscuous mode [ 93.268576][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.277771][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.303035][ T8839] device veth1_vlan entered promiscuous mode [ 93.344008][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.354018][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.364120][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.373866][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.390619][ T8839] device veth0_macvtap entered promiscuous mode [ 93.407351][ T8839] device veth1_macvtap entered promiscuous mode [ 93.438030][ T8839] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.446369][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.456830][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.466853][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.477944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.501406][ T8839] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.511863][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.522766][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 93.823818][ T9058] device veth0_to_hsr entered promiscuous mode executing program [ 93.878033][ T9058] device batadv0 entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 95.590706][ C0] ===================================================== [ 95.597711][ C0] BUG: KMSAN: uninit-value in batadv_bla_tx+0x2675/0x3730 [ 95.604836][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.7.0-rc4-syzkaller #0 [ 95.613014][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.623413][ C0] Call Trace: [ 95.626715][ C0] dump_stack+0x1c9/0x220 [ 95.631060][ C0] kmsan_report+0xf7/0x1e0 [ 95.635598][ C0] __msan_warning+0x58/0xa0 [ 95.640386][ C0] batadv_bla_tx+0x2675/0x3730 [ 95.645352][ C0] ? do_get_thread_area+0x550/0x560 [ 95.650851][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 95.656075][ C0] batadv_interface_tx+0x67c/0x2450 [ 95.661331][ C0] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 95.667423][ C0] ? batadv_softif_is_valid+0xb0/0xb0 [ 95.673074][ C0] dev_hard_start_xmit+0x531/0xab0 [ 95.678749][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 95.685118][ C0] __dev_queue_xmit+0x2f8d/0x3b20 [ 95.691161][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 95.696635][ C0] ? skb_clone+0x404/0x5d0 [ 95.701087][ C0] dev_queue_xmit+0x4b/0x60 [ 95.705768][ C0] hsr_forward_skb+0x2614/0x30d0 [ 95.710720][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 95.716282][ C0] hsr_handle_frame+0x3be/0x500 [ 95.721279][ C0] ? hsr_port_exists+0x90/0x90 [ 95.726302][ C0] __netif_receive_skb_core+0x21ce/0x5870 [ 95.732067][ C0] ? kmsan_internal_set_origin+0x75/0xb0 [ 95.737727][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 95.742943][ C0] process_backlog+0x936/0x1410 [ 95.747938][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 95.753092][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 95.759000][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 95.764298][ C0] net_rx_action+0x786/0x1aa0 [ 95.769527][ C0] ? net_tx_action+0xc30/0xc30 [ 95.774309][ C0] __do_softirq+0x311/0x83d [ 95.779096][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 95.784300][ C0] ? takeover_tasklets+0x8f0/0x8f0 [ 95.790033][ C0] run_ksoftirqd+0x25/0x40 [ 95.794663][ C0] smpboot_thread_fn+0x493/0x980 [ 95.799653][ C0] kthread+0x4b5/0x4f0 [ 95.803746][ C0] ? cpu_report_death+0x180/0x180 [ 95.808836][ C0] ? kthread_blkcg+0xf0/0xf0 [ 95.813531][ C0] ret_from_fork+0x35/0x40 [ 95.817979][ C0] [ 95.820306][ C0] Uninit was stored to memory at: [ 95.825360][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 95.831174][ C0] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 95.837389][ C0] kmsan_memcpy_metadata+0xb/0x10 [ 95.842425][ C0] __msan_memcpy+0x43/0x50 [ 95.846936][ C0] pskb_expand_head+0x38b/0x1b00 [ 95.851885][ C0] __skb_pad+0x47f/0x900 [ 95.856192][ C0] send_hsr_supervision_frame+0x122d/0x1500 [ 95.862216][ C0] hsr_announce+0x1e2/0x370 [ 95.866838][ C0] call_timer_fn+0x218/0x510 [ 95.871437][ C0] __run_timers+0xcff/0x1210 [ 95.876049][ C0] run_timer_softirq+0x2d/0x50 [ 95.880841][ C0] __do_softirq+0x311/0x83d [ 95.885556][ C0] [ 95.887971][ C0] Uninit was created at: [ 95.892336][ C0] kmsan_save_stack_with_flags+0x3c/0x90 [ 95.901041][ C0] kmsan_alloc_page+0xb9/0x180 [ 95.906096][ C0] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 95.911877][ C0] page_frag_alloc+0x3ae/0x910 [ 95.916828][ C0] __napi_alloc_skb+0x193/0xa60 [ 95.922231][ C0] page_to_skb+0x1a2/0x1390 [ 95.927062][ C0] receive_buf+0xec6/0x8d20 [ 95.931595][ C0] virtnet_poll+0x64b/0x19f0 [ 95.936337][ C0] net_rx_action+0x786/0x1aa0 [ 95.941263][ C0] __do_softirq+0x311/0x83d [ 95.945753][ C0] ===================================================== [ 95.952744][ C0] Disabling lock debugging due to kernel taint [ 95.958897][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 95.965956][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 95.975789][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.986658][ C0] Call Trace: [ 95.990193][ C0] dump_stack+0x1c9/0x220 [ 95.994545][ C0] panic+0x3d5/0xc3e [ 95.998484][ C0] kmsan_report+0x1df/0x1e0 [ 96.003022][ C0] __msan_warning+0x58/0xa0 [ 96.007555][ C0] batadv_bla_tx+0x2675/0x3730 [ 96.012477][ C0] ? do_get_thread_area+0x550/0x560 [ 96.017970][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 96.023313][ C0] batadv_interface_tx+0x67c/0x2450 [ 96.028518][ C0] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 96.034626][ C0] ? batadv_softif_is_valid+0xb0/0xb0 [ 96.040117][ C0] dev_hard_start_xmit+0x531/0xab0 [ 96.045265][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 96.052308][ C0] __dev_queue_xmit+0x2f8d/0x3b20 [ 96.057476][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 96.062711][ C0] ? skb_clone+0x404/0x5d0 [ 96.067192][ C0] dev_queue_xmit+0x4b/0x60 [ 96.071829][ C0] hsr_forward_skb+0x2614/0x30d0 [ 96.076845][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 96.082236][ C0] hsr_handle_frame+0x3be/0x500 [ 96.087116][ C0] ? hsr_port_exists+0x90/0x90 [ 96.091904][ C0] __netif_receive_skb_core+0x21ce/0x5870 [ 96.097739][ C0] ? kmsan_internal_set_origin+0x75/0xb0 [ 96.103412][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 96.108542][ C0] process_backlog+0x936/0x1410 [ 96.113440][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 96.118612][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 96.123822][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 96.129120][ C0] net_rx_action+0x786/0x1aa0 [ 96.133814][ C0] ? net_tx_action+0xc30/0xc30 [ 96.138923][ C0] __do_softirq+0x311/0x83d [ 96.144089][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 96.149312][ C0] ? takeover_tasklets+0x8f0/0x8f0 [ 96.154528][ C0] run_ksoftirqd+0x25/0x40 [ 96.160039][ C0] smpboot_thread_fn+0x493/0x980 [ 96.165104][ C0] kthread+0x4b5/0x4f0 [ 96.169267][ C0] ? cpu_report_death+0x180/0x180 [ 96.174344][ C0] ? kthread_blkcg+0xf0/0xf0 [ 96.178958][ C0] ret_from_fork+0x35/0x40 [ 96.185031][ C0] Kernel Offset: 0x2cc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 96.196665][ C0] Rebooting in 86400 seconds..