Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. syzkaller login: [ 269.118922][ T8251] IPVS: ftp: loaded support on port[0] = 21 [ 269.288782][ T8251] chnl_net:caif_netlink_parms(): no params data found [ 269.382297][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 269.389670][ T8251] bridge0: port 1(bridge_slave_0) entered disabled state [ 269.399296][ T8251] device bridge_slave_0 entered promiscuous mode [ 269.409665][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 269.417163][ T8251] bridge0: port 2(bridge_slave_1) entered disabled state [ 269.426991][ T8251] device bridge_slave_1 entered promiscuous mode [ 269.462892][ T8251] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 269.479544][ T8251] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 269.516489][ T8251] team0: Port device team_slave_0 added [ 269.527716][ T8251] team0: Port device team_slave_1 added [ 269.558213][ T8251] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 269.565317][ T8251] 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. [ 269.592690][ T8251] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 269.606652][ T8251] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 269.613666][ T8251] 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. [ 269.641081][ T8251] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 269.685263][ T8251] device hsr_slave_0 entered promiscuous mode [ 269.692880][ T8251] device hsr_slave_1 entered promiscuous mode [ 269.886516][ T8251] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 269.913199][ T8251] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 269.927506][ T8251] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 269.947275][ T8251] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 270.034718][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 270.041888][ T8251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 270.049986][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 270.057395][ T8251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 270.139826][ T8251] 8021q: adding VLAN 0 to HW filter on device bond0 [ 270.164508][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 270.178243][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 270.188801][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 270.201876][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 270.221916][ T8251] 8021q: adding VLAN 0 to HW filter on device team0 [ 270.238748][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 270.248753][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 270.258764][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 270.266502][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 270.282327][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 270.292447][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 270.302589][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 270.310021][ T8457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 270.328279][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 270.344958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 270.374823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 270.385700][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 270.396575][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 270.407180][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 270.421945][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 270.432142][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 270.441954][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 270.464496][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 270.474620][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 270.491142][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 270.522475][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 270.531297][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 270.555442][ T8251] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 270.590601][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 270.600802][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 270.637523][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 270.648335][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 270.660716][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 270.670171][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 270.686111][ T8251] device veth0_vlan entered promiscuous mode [ 270.706891][ T8251] device veth1_vlan entered promiscuous mode [ 270.749027][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 270.759418][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 270.769115][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 270.778745][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 270.796682][ T8251] device veth0_macvtap entered promiscuous mode [ 270.811593][ T8251] device veth1_macvtap entered promiscuous mode [ 270.843206][ T8251] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 270.850958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 270.860494][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 270.869326][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 270.879432][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 270.899244][ T8251] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 270.907414][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 270.917408][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 270.933678][ T8251] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 270.942823][ T8251] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 270.952219][ T8251] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 270.961220][ T8251] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 271.235370][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): ipvlan1: link becomes ready executing program executing program executing program [ 271.318914][ T8478] ===================================================== [ 271.326225][ T8478] BUG: KMSAN: uninit-value in ipvlan_queue_xmit+0x107f/0x32f0 [ 271.333712][ T8478] CPU: 1 PID: 8478 Comm: syz-executor852 Not tainted 5.10.0-rc4-syzkaller #0 [ 271.342530][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.352720][ T8478] Call Trace: [ 271.356091][ T8478] dump_stack+0x21c/0x280 [ 271.360463][ T8478] kmsan_report+0xfb/0x1e0 [ 271.364964][ T8478] __msan_warning+0x5f/0xa0 [ 271.369469][ T8478] ipvlan_queue_xmit+0x107f/0x32f0 [ 271.374580][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.379806][ T8478] ipvlan_start_xmit+0xa1/0x2a0 [ 271.384647][ T8478] ? ipvlan_stop+0x1f0/0x1f0 [ 271.389317][ T8478] dev_direct_xmit+0x9f0/0xd40 [ 271.394117][ T8478] packet_direct_xmit+0x2b0/0x4c0 [ 271.399145][ T8478] ? packet_do_bind+0x1570/0x1570 [ 271.404197][ T8478] packet_sendmsg+0x8778/0x9a60 [ 271.409051][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.415017][ T8478] ? kmsan_internal_set_origin+0x85/0xc0 [ 271.420668][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.425859][ T8478] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 271.431660][ T8478] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 271.438020][ T8478] ? packet_getsockopt+0x1120/0x1120 [ 271.443347][ T8478] __sys_sendto+0x9dc/0xc80 [ 271.448277][ T8478] ? kmsan_internal_set_origin+0x85/0xc0 [ 271.453950][ T8478] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 271.460021][ T8478] __se_sys_sendto+0x107/0x130 [ 271.464774][ T8478] __x64_sys_sendto+0x6e/0x90 [ 271.469639][ T8478] do_syscall_64+0x9f/0x140 [ 271.474163][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 271.480172][ T8478] RIP: 0033:0x4441e9 [ 271.484093][ T8478] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 271.503720][ T8478] RSP: 002b:00007ffed30855a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 271.512152][ T8478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004441e9 [ 271.520110][ T8478] RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000004 [ 271.528079][ T8478] RBP: 00316e616c767069 R08: 0000000000000000 R09: ffffffffffffff09 [ 271.536068][ T8478] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000004240c [ 271.544046][ T8478] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 271.552021][ T8478] [ 271.554393][ T8478] Local variable ----temp@dynamic_dname created at: [ 271.561034][ T8478] dynamic_dname+0x116/0x400 [ 271.565811][ T8478] dynamic_dname+0x116/0x400 [ 271.570391][ T8478] ===================================================== [ 271.577335][ T8478] Disabling lock debugging due to kernel taint [ 271.583592][ T8478] Kernel panic - not syncing: panic_on_warn set ... [ 271.590206][ T8478] CPU: 1 PID: 8478 Comm: syz-executor852 Tainted: G B 5.10.0-rc4-syzkaller #0 [ 271.600362][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.610531][ T8478] Call Trace: [ 271.614972][ T8478] dump_stack+0x21c/0x280 [ 271.619453][ T8478] panic+0x4c6/0xea7 [ 271.623362][ T8478] ? add_taint+0x17c/0x210 [ 271.627776][ T8478] kmsan_report+0x1de/0x1e0 [ 271.632309][ T8478] __msan_warning+0x5f/0xa0 [ 271.636827][ T8478] ipvlan_queue_xmit+0x107f/0x32f0 [ 271.641954][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.647143][ T8478] ipvlan_start_xmit+0xa1/0x2a0 [ 271.651984][ T8478] ? ipvlan_stop+0x1f0/0x1f0 [ 271.656588][ T8478] dev_direct_xmit+0x9f0/0xd40 [ 271.661349][ T8478] packet_direct_xmit+0x2b0/0x4c0 [ 271.666365][ T8478] ? packet_do_bind+0x1570/0x1570 [ 271.671396][ T8478] packet_sendmsg+0x8778/0x9a60 [ 271.676362][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.681728][ T8478] ? kmsan_internal_set_origin+0x85/0xc0 [ 271.687365][ T8478] ? kmsan_get_metadata+0x116/0x180 [ 271.692565][ T8478] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 271.698389][ T8478] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 271.704478][ T8478] ? packet_getsockopt+0x1120/0x1120 [ 271.709778][ T8478] __sys_sendto+0x9dc/0xc80 [ 271.714288][ T8478] ? kmsan_internal_set_origin+0x85/0xc0 [ 271.719935][ T8478] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 271.725994][ T8478] __se_sys_sendto+0x107/0x130 [ 271.730751][ T8478] __x64_sys_sendto+0x6e/0x90 [ 271.735426][ T8478] do_syscall_64+0x9f/0x140 [ 271.739933][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 271.745907][ T8478] RIP: 0033:0x4441e9 [ 271.749791][ T8478] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 271.769402][ T8478] RSP: 002b:00007ffed30855a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 271.777822][ T8478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004441e9 [ 271.785794][ T8478] RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000004 [ 271.793763][ T8478] RBP: 00316e616c767069 R08: 0000000000000000 R09: ffffffffffffff09 [ 271.801746][ T8478] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000004240c [ 271.809740][ T8478] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 271.818345][ T8478] Kernel Offset: disabled [ 271.822672][ T8478] Rebooting in 86400 seconds..