Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. syzkaller login: [ 144.809946][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 144.971861][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 145.052793][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.060270][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.069930][ T8227] device bridge_slave_0 entered promiscuous mode [ 145.080746][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.088163][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.096436][ T8227] device bridge_slave_1 entered promiscuous mode [ 145.130145][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.143124][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.175470][ T8227] team0: Port device team_slave_0 added [ 145.185165][ T8227] team0: Port device team_slave_1 added [ 145.213217][ T8227] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 145.220280][ T8227] 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. [ 145.246563][ T8227] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 145.260230][ T8227] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 145.267246][ T8227] 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. [ 145.293806][ T8227] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 145.334994][ T8227] device hsr_slave_0 entered promiscuous mode [ 145.343331][ T8227] device hsr_slave_1 entered promiscuous mode [ 145.510609][ T8227] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 145.535446][ T8227] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 145.547068][ T8227] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 145.566970][ T8227] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 145.645521][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.652838][ T8227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 145.660847][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.668390][ T8227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 145.742770][ T8227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 145.764583][ T4688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 145.775193][ T4688] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.785890][ T4688] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.797332][ T4688] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 145.815692][ T8227] 8021q: adding VLAN 0 to HW filter on device team0 [ 145.833556][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 145.842904][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.850533][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 145.866837][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 145.876161][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.883643][ T8435] bridge0: port 2(bridge_slave_1) entered forwarding state [ 145.920970][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 145.932660][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 145.946772][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 145.956826][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 145.973635][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 145.982914][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 146.000643][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 146.010278][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 146.026632][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 146.058691][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 146.066220][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 146.089647][ T8227] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 146.120843][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 146.130461][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 146.163413][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 146.173256][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 146.186513][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 146.195858][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 146.210085][ T8227] device veth0_vlan entered promiscuous mode [ 146.229117][ T8227] device veth1_vlan entered promiscuous mode [ 146.269243][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 146.278420][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 146.287756][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 146.296902][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 146.313572][ T8227] device veth0_macvtap entered promiscuous mode [ 146.326648][ T8227] device veth1_macvtap entered promiscuous mode [ 146.356810][ T8227] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 146.364624][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 146.374088][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 146.383605][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 146.393472][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 146.411740][ T8227] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 146.419695][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 146.430669][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 146.445057][ T8227] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.454079][ T8227] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.463325][ T8227] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 146.473220][ T8227] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 146.647308][ C0] ===================================================== [ 146.654466][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 146.661446][ C0] CPU: 0 PID: 8439 Comm: syz-executor064 Not tainted 5.12.0-rc6-syzkaller #0 [ 146.670201][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.680246][ C0] Call Trace: [ 146.683513][ C0] [ 146.686447][ C0] dump_stack+0x24c/0x2e0 [ 146.690771][ C0] kmsan_report+0xfb/0x1e0 [ 146.695353][ C0] __msan_warning+0x5c/0xa0 [ 146.699885][ C0] ip_rcv_core+0xf4c/0x1480 [ 146.704382][ C0] ip_rcv+0xc7/0x820 [ 146.708283][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.713475][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.718595][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.724211][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.730003][ C0] process_backlog+0x517/0xbd0 [ 146.734844][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.740127][ C0] __napi_poll+0x13e/0xca0 [ 146.744531][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.750586][ C0] net_rx_action+0x726/0x14a0 [ 146.755280][ C0] ? net_tx_action+0xd30/0xd30 [ 146.760231][ C0] __do_softirq+0x1b9/0x715 [ 146.764721][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.768949][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.773726][ C0] do_softirq+0x123/0x1c0 [ 146.778046][ C0] [ 146.780965][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.785986][ C0] local_bh_enable+0x36/0x40 [ 146.790562][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.795591][ C0] dev_queue_xmit+0x4b/0x60 [ 146.800082][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.805355][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.810194][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.815482][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.821106][ C0] ? process_slab+0x13a8/0x1b70 [ 146.825951][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.831799][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.838010][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.842872][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.848338][ C0] __sys_sendmsg+0x714/0x830 [ 146.853072][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 146.859164][ C0] ? up_read+0x40/0x2b0 [ 146.863313][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.868515][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.874319][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.879603][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.884292][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.889052][ C0] do_syscall_64+0x9f/0x140 [ 146.893559][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.899552][ C0] RIP: 0033:0x443e09 [ 146.903523][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.923206][ C0] RSP: 002b:00007fffdc12cda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.931609][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 146.939656][ C0] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003 [ 146.947719][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.955800][ C0] R10: 00007fffdc12c820 R11: 0000000000000246 R12: 00007fffdc12cde0 [ 146.963764][ C0] R13: 00007fffdc12cdd0 R14: 00007fffdc12cdc0 R15: 0000000000000003 [ 146.971734][ C0] [ 146.974055][ C0] Uninit was stored to memory at: [ 146.979052][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.984763][ C0] __msan_chain_origin+0x54/0xa0 [ 146.989822][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.994430][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.999633][ C0] geneve_xmit+0x2139/0x3c40 [ 147.004232][ C0] xmit_one+0x2b6/0x760 [ 147.008380][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.013399][ C0] dev_queue_xmit+0x4b/0x60 [ 147.017980][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.022816][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.027654][ C0] __sys_sendmsg+0x714/0x830 [ 147.032257][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.036944][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.041692][ C0] do_syscall_64+0x9f/0x140 [ 147.046186][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.052065][ C0] [ 147.054390][ C0] Uninit was created at: [ 147.058608][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.064323][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.069008][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.074884][ C0] __alloc_skb+0x4dd/0xe90 [ 147.079283][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.084466][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.089652][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.094491][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.099328][ C0] __sys_sendmsg+0x714/0x830 [ 147.103901][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.108561][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.113311][ C0] do_syscall_64+0x9f/0x140 [ 147.117823][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.123720][ C0] ===================================================== [ 147.130643][ C0] Disabling lock debugging due to kernel taint [ 147.136808][ C0] Kernel panic - not syncing: panic_on_kmsan set ... [ 147.143459][ C0] CPU: 0 PID: 8439 Comm: syz-executor064 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.153610][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.163651][ C0] Call Trace: [ 147.166926][ C0] [ 147.169776][ C0] dump_stack+0x24c/0x2e0 [ 147.174133][ C0] panic+0x4c6/0xea7 [ 147.178034][ C0] ? add_taint+0x17c/0x210 [ 147.182434][ C0] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 147.188571][ C0] kmsan_report+0x1de/0x1e0 [ 147.193224][ C0] __msan_warning+0x5c/0xa0 [ 147.197713][ C0] ip_rcv_core+0xf4c/0x1480 [ 147.202299][ C0] ip_rcv+0xc7/0x820 [ 147.206179][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.211397][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.216494][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.222113][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.227734][ C0] process_backlog+0x517/0xbd0 [ 147.232509][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.237867][ C0] __napi_poll+0x13e/0xca0 [ 147.242729][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.248782][ C0] net_rx_action+0x726/0x14a0 [ 147.253453][ C0] ? net_tx_action+0xd30/0xd30 [ 147.258213][ C0] __do_softirq+0x1b9/0x715 [ 147.262709][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.267058][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.271810][ C0] do_softirq+0x123/0x1c0 [ 147.276129][ C0] [ 147.279094][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 147.284133][ C0] local_bh_enable+0x36/0x40 [ 147.288730][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 147.293745][ C0] dev_queue_xmit+0x4b/0x60 [ 147.298236][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.303505][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.308356][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.313539][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.319158][ C0] ? process_slab+0x13a8/0x1b70 [ 147.323999][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.329806][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.335863][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.340733][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.346048][ C0] __sys_sendmsg+0x714/0x830 [ 147.350639][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.356623][ C0] ? up_read+0x40/0x2b0 [ 147.360768][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.365959][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.371762][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.376952][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.381650][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.386490][ C0] do_syscall_64+0x9f/0x140 [ 147.391006][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.396906][ C0] RIP: 0033:0x443e09 [ 147.400869][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.420458][ C0] RSP: 002b:00007fffdc12cda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.428864][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 147.437083][ C0] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003 [ 147.445059][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.453016][ C0] R10: 00007fffdc12c820 R11: 0000000000000246 R12: 00007fffdc12cde0 [ 147.461093][ C0] R13: 00007fffdc12cdd0 R14: 00007fffdc12cdc0 R15: 0000000000000003 [ 147.469925][ C0] Kernel Offset: disabled [ 147.474765][ C0] Rebooting in 86400 seconds..