Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. syzkaller login: [ 147.809876][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 147.992491][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 148.090560][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.098759][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.109068][ T8210] device bridge_slave_0 entered promiscuous mode [ 148.119932][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.128538][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.137696][ T8210] device bridge_slave_1 entered promiscuous mode [ 148.171134][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 148.186185][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 148.222083][ T8210] team0: Port device team_slave_0 added [ 148.231741][ T8210] team0: Port device team_slave_1 added [ 148.266062][ T8210] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 148.274412][ T8210] 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. [ 148.302977][ T8210] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 148.317425][ T8210] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 148.325442][ T8210] 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. [ 148.353171][ T8210] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 148.397640][ T8210] device hsr_slave_0 entered promiscuous mode [ 148.405942][ T8210] device hsr_slave_1 entered promiscuous mode [ 148.590558][ T8210] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 148.606044][ T8210] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 148.625579][ T8210] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 148.645227][ T8210] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 148.728761][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.737621][ T8210] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.748578][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.756954][ T8210] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.844759][ T8210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 148.868244][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 148.881536][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.893991][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.906613][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 148.926409][ T8210] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.944193][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 148.954088][ T832] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.963093][ T832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.995077][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 149.008296][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.019796][ T832] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.027890][ T832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.039071][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 149.051688][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 149.070569][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 149.081978][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 149.096191][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 149.115026][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 149.126197][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 149.155492][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 149.165293][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.177014][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 149.186897][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.204788][ T8210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 149.238321][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 149.248802][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 149.269995][ T8210] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 149.305530][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.317089][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.356166][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.366724][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.377734][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.387042][ T832] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.402426][ T8210] device veth0_vlan entered promiscuous mode [ 149.425574][ T8210] device veth1_vlan entered promiscuous mode [ 149.468541][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 149.478811][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 149.489023][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 149.500206][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 149.518279][ T8210] device veth0_macvtap entered promiscuous mode [ 149.533110][ T8210] device veth1_macvtap entered promiscuous mode [ 149.569238][ T8210] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 149.577749][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 149.587384][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 149.598209][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 149.610911][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 149.635377][ T8210] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 149.644025][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 149.655994][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 149.674194][ T8210] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.684794][ T8210] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.694194][ T8210] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.703642][ T8210] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 149.866103][ C0] ===================================================== [ 149.872790][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.872790][ C0] CPU: 0 PID: 8422 Comm: syz-executor608 Not tainted 5.12.0-rc6-syzkaller #0 [ 149.886209][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.892900][ C0] Call Trace: [ 149.903574][ C0] [ 149.903574][ C0] dump_stack+0x24c/0x2e0 [ 149.903574][ C0] kmsan_report+0xfb/0x1e0 [ 149.913117][ C0] __msan_warning+0x5c/0xa0 [ 149.913117][ C0] ip_rcv_core+0xf4c/0x1480 [ 149.925152][ C0] ip_rcv+0xc7/0x820 [ 149.925152][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.933307][ C0] __netif_receive_skb+0x1ec/0x640 [ 149.933307][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.943593][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 149.953367][ C0] process_backlog+0x517/0xbd0 [ 149.953367][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.964372][ C0] __napi_poll+0x13e/0xca0 [ 149.964372][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.973138][ C0] net_rx_action+0x726/0x14a0 [ 149.983596][ C0] ? net_tx_action+0xd30/0xd30 [ 149.983596][ C0] __do_softirq+0x1b9/0x715 [ 149.993126][ C0] ? idle_cpu+0x9a/0x1d0 [ 149.993126][ C0] ? __irq_exit_rcu+0x83/0x280 [ 149.993126][ C0] do_softirq+0x123/0x1c0 [ 150.005453][ C0] [ 150.013139][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 150.013139][ C0] local_bh_enable+0x36/0x40 [ 150.023587][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 150.023587][ C0] dev_queue_xmit+0x4b/0x60 [ 150.033130][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.033130][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.043710][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.043710][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.053148][ C0] ? process_slab+0x13a8/0x1b70 [ 150.063590][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.063590][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.073128][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.073128][ C0] ? packet_getsockopt+0x1120/0x1120 [ 150.087132][ C0] __sys_sendmsg+0x714/0x830 [ 150.093136][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.093136][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.103574][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 150.113309][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.113309][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.123709][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.133338][ C0] do_syscall_64+0x9f/0x140 [ 150.133338][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.143801][ C0] RIP: 0033:0x443df9 [ 150.143801][ 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 [ 150.173134][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.182965][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.183531][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 150.203152][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.203740][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00007ffc65f8b5c0 [ 150.213339][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 0000000000000003 [ 150.233309][ C0] [ 150.233309][ C0] Uninit was stored to memory at: [ 150.233309][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 150.245333][ C0] __msan_chain_origin+0x54/0xa0 [ 150.253323][ C0] iptunnel_xmit+0xbd6/0xf20 [ 150.253323][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 150.263790][ C0] geneve_xmit+0x2139/0x3c40 [ 150.263790][ C0] xmit_one+0x2b6/0x760 [ 150.273138][ C0] __dev_queue_xmit+0x3432/0x4600 [ 150.273138][ C0] dev_queue_xmit+0x4b/0x60 [ 150.283746][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.283746][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.293146][ C0] __sys_sendmsg+0x714/0x830 [ 150.293146][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.303664][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.303664][ C0] do_syscall_64+0x9f/0x140 [ 150.313162][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.313162][ C0] [ 150.324807][ C0] Uninit was created at: [ 150.324807][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.333130][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 150.333130][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.343752][ C0] __alloc_skb+0x4dd/0xe90 [ 150.353283][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 150.353283][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.363841][ C0] packet_sendmsg+0x6a12/0x99d0 [ 150.363841][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.373818][ C0] __sys_sendmsg+0x714/0x830 [ 150.383732][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.383732][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.393250][ C0] do_syscall_64+0x9f/0x140 [ 150.393250][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.408689][ C0] ===================================================== [ 150.413340][ C0] Disabling lock debugging due to kernel taint [ 150.425956][ C0] ===================================================== [ 150.433351][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 150.435832][ C0] CPU: 0 PID: 8422 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.435832][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.452952][ C0] Call Trace: [ 150.452952][ C0] [ 150.452952][ C0] dump_stack+0x24c/0x2e0 [ 150.452952][ C0] kmsan_report+0xfb/0x1e0 [ 150.452952][ C0] __msan_warning+0x5c/0xa0 [ 150.483036][ C0] ip_rcv_core+0xf5d/0x1480 [ 150.483036][ C0] ip_rcv+0xc7/0x820 [ 150.483036][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.483036][ C0] __netif_receive_skb+0x1ec/0x640 [ 150.483036][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.483036][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 150.512941][ C0] process_backlog+0x517/0xbd0 [ 150.512941][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.512941][ C0] __napi_poll+0x13e/0xca0 [ 150.512941][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.543010][ C0] net_rx_action+0x726/0x14a0 [ 150.543010][ C0] ? net_tx_action+0xd30/0xd30 [ 150.555806][ C0] __do_softirq+0x1b9/0x715 [ 150.560820][ C0] ? idle_cpu+0x9a/0x1d0 [ 150.566856][ C0] ? __irq_exit_rcu+0x83/0x280 [ 150.573311][ C0] do_softirq+0x123/0x1c0 [ 150.578156][ C0] [ 150.581792][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 150.588584][ C0] local_bh_enable+0x36/0x40 [ 150.594592][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 150.602230][ C0] dev_queue_xmit+0x4b/0x60 [ 150.607575][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.615247][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.622939][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.629020][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.636294][ C0] ? process_slab+0x13a8/0x1b70 [ 150.641215][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.642414][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.652960][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.659686][ C0] ? packet_getsockopt+0x1120/0x1120 [ 150.664877][ C0] __sys_sendmsg+0x714/0x830 [ 150.670961][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.677017][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.680640][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 150.689646][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.694913][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.700935][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.706051][ C0] do_syscall_64+0x9f/0x140 [ 150.711068][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.717011][ C0] RIP: 0033:0x443df9 [ 150.721838][ 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 [ 150.743578][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.753217][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.761614][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 150.770986][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.779388][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00007ffc65f8b5c0 [ 150.788546][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 0000000000000003 [ 150.796181][ C0] [ 150.798656][ C0] Uninit was stored to memory at: [ 150.804211][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 150.809824][ C0] __msan_chain_origin+0x54/0xa0 [ 150.814640][ C0] iptunnel_xmit+0xbd6/0xf20 [ 150.820799][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 150.826860][ C0] geneve_xmit+0x2139/0x3c40 [ 150.831945][ C0] xmit_one+0x2b6/0x760 [ 150.836841][ C0] __dev_queue_xmit+0x3432/0x4600 [ 150.841765][ C0] dev_queue_xmit+0x4b/0x60 [ 150.848970][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.853971][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.858881][ C0] __sys_sendmsg+0x714/0x830 [ 150.863517][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.868531][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.873068][ C0] do_syscall_64+0x9f/0x140 [ 150.879451][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.881880][ C0] [ 150.888235][ C0] Uninit was created at: [ 150.893172][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.899173][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 150.903587][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.910933][ C0] __alloc_skb+0x4dd/0xe90 [ 150.915939][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 150.922167][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.928273][ C0] packet_sendmsg+0x6a12/0x99d0 [ 150.934598][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.939584][ C0] __sys_sendmsg+0x714/0x830 [ 150.945066][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.949843][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.955183][ C0] do_syscall_64+0x9f/0x140 [ 150.960015][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.966641][ C0] ===================================================== [ 150.975271][ C0] ===================================================== [ 150.983118][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 150.985219][ C0] CPU: 0 PID: 8422 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.985219][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.002946][ C0] Call Trace: [ 151.002946][ C0] [ 151.002946][ C0] dump_stack+0x24c/0x2e0 [ 151.002946][ C0] kmsan_report+0xfb/0x1e0 [ 151.002946][ C0] __msan_warning+0x5c/0xa0 [ 151.032947][ C0] ip_rcv_core+0x1068/0x1480 [ 151.032947][ C0] ip_rcv+0xc7/0x820 [ 151.032947][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.032947][ C0] __netif_receive_skb+0x1ec/0x640 [ 151.032947][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.032947][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 151.062950][ C0] process_backlog+0x517/0xbd0 [ 151.062950][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.072936][ C0] __napi_poll+0x13e/0xca0 [ 151.081299][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.087779][ C0] net_rx_action+0x726/0x14a0 [ 151.093244][ C0] ? net_tx_action+0xd30/0xd30 [ 151.098110][ C0] __do_softirq+0x1b9/0x715 [ 151.103592][ C0] ? idle_cpu+0x9a/0x1d0 [ 151.107215][ C0] ? __irq_exit_rcu+0x83/0x280 [ 151.113282][ C0] do_softirq+0x123/0x1c0 [ 151.118356][ C0] [ 151.120797][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 151.126988][ C0] local_bh_enable+0x36/0x40 [ 151.131874][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 151.136981][ C0] dev_queue_xmit+0x4b/0x60 [ 151.141816][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.147825][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.153062][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.159847][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.166108][ C0] ? process_slab+0x13a8/0x1b70 [ 151.170922][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.178240][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.184611][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.190952][ C0] ? packet_getsockopt+0x1120/0x1120 [ 151.197146][ C0] __sys_sendmsg+0x714/0x830 [ 151.201933][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.201933][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.214971][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 151.223789][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.229884][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.236043][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.242945][ C0] do_syscall_64+0x9f/0x140 [ 151.247529][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.254783][ C0] RIP: 0033:0x443df9 [ 151.258378][ 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 [ 151.281217][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.290451][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 151.299258][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 151.307168][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.315884][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00007ffc65f8b5c0 [ 151.323778][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 0000000000000003 [ 151.333567][ C0] [ 151.336000][ C0] Uninit was stored to memory at: [ 151.341118][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 151.347319][ C0] __msan_chain_origin+0x54/0xa0 [ 151.353073][ C0] __ip_local_out+0x479/0x840 [ 151.358170][ C0] ip_local_out+0xa1/0x1e0 [ 151.361788][ C0] iptunnel_xmit+0x931/0xf20 [ 151.367977][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 151.373219][ C0] geneve_xmit+0x2139/0x3c40 [ 151.377753][ C0] xmit_one+0x2b6/0x760 [ 151.381565][ C0] __dev_queue_xmit+0x3432/0x4600 [ 151.388863][ C0] dev_queue_xmit+0x4b/0x60 [ 151.393076][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.398699][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.404889][ C0] __sys_sendmsg+0x714/0x830 [ 151.409675][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.413054][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.419268][ C0] do_syscall_64+0x9f/0x140 [ 151.423587][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.429572][ C0] [ 151.431545][ C0] Uninit was stored to memory at: [ 151.436809][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 151.445647][ C0] __msan_chain_origin+0x54/0xa0 [ 151.450866][ C0] iptunnel_xmit+0xbd6/0xf20 [ 151.455713][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 151.461771][ C0] geneve_xmit+0x2139/0x3c40 [ 151.467283][ C0] xmit_one+0x2b6/0x760 [ 151.472104][ C0] __dev_queue_xmit+0x3432/0x4600 [ 151.478289][ C0] dev_queue_xmit+0x4b/0x60 [ 151.482050][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.488535][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.493893][ C0] __sys_sendmsg+0x714/0x830 [ 151.498729][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.503669][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.509759][ C0] do_syscall_64+0x9f/0x140 [ 151.514570][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.520910][ C0] [ 151.525160][ C0] Uninit was created at: [ 151.530216][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.537603][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 151.542941][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.549909][ C0] __alloc_skb+0x4dd/0xe90 [ 151.555989][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 151.562063][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.567315][ C0] packet_sendmsg+0x6a12/0x99d0 [ 151.572261][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.578288][ C0] __sys_sendmsg+0x714/0x830 [ 151.583630][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.588619][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.594683][ C0] do_syscall_64+0x9f/0x140 [ 151.599608][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.605610][ C0] ===================================================== executing program [ 151.689512][ C1] ===================================================== [ 151.692820][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 151.702851][ C1] CPU: 1 PID: 8424 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.702851][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.702851][ C1] Call Trace: [ 151.732035][ C1] [ 151.732035][ C1] dump_stack+0x24c/0x2e0 [ 151.732035][ C1] kmsan_report+0xfb/0x1e0 [ 151.732035][ C1] __msan_warning+0x5c/0xa0 [ 151.732035][ C1] ip_rcv_core+0xf4c/0x1480 [ 151.732035][ C1] ip_rcv+0xc7/0x820 [ 151.732035][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.732035][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.732035][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.732035][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.732035][ C1] process_backlog+0x517/0xbd0 [ 151.732035][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.732035][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.732035][ C1] __napi_poll+0x13e/0xca0 [ 151.732035][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.732035][ C1] net_rx_action+0x726/0x14a0 [ 151.732035][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.732035][ C1] ? net_tx_action+0xd30/0xd30 [ 151.732035][ C1] __do_softirq+0x1b9/0x715 [ 151.732035][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.732035][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.732035][ C1] do_softirq+0x123/0x1c0 [ 151.732035][ C1] [ 151.732035][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.732035][ C1] local_bh_enable+0x36/0x40 [ 151.732035][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.732035][ C1] dev_queue_xmit+0x4b/0x60 [ 151.732035][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.732035][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.732035][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.732035][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.732035][ C1] ? process_slab+0x13a8/0x1b70 [ 151.732035][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.732035][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.732035][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.732035][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.732035][ C1] __sys_sendmsg+0x714/0x830 [ 151.732035][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.732035][ C1] ? up_read+0x40/0x2b0 [ 151.732035][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.732035][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.732035][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.732035][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.732035][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.732035][ C1] do_syscall_64+0x9f/0x140 [ 151.732035][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.732035][ C1] RIP: 0033:0x443df9 [ 151.732035][ C1] 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 [ 151.732035][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.732035][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 151.732035][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 151.732035][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.732035][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000249a1 [ 151.732035][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 151.732035][ C1] [ 151.732035][ C1] Uninit was stored to memory at: [ 151.732035][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.732035][ C1] __msan_chain_origin+0x54/0xa0 [ 151.732035][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.732035][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.732035][ C1] geneve_xmit+0x2139/0x3c40 [ 151.732035][ C1] xmit_one+0x2b6/0x760 [ 151.732035][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.732035][ C1] dev_queue_xmit+0x4b/0x60 [ 151.732035][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.732035][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.732035][ C1] __sys_sendmsg+0x714/0x830 [ 151.732035][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.732035][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.732035][ C1] do_syscall_64+0x9f/0x140 [ 151.732035][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.732035][ C1] [ 151.732035][ C1] Uninit was created at: [ 151.732035][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.732035][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.732035][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.732035][ C1] __alloc_skb+0x4dd/0xe90 [ 151.732035][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.732035][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.732035][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.732035][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.732035][ C1] __sys_sendmsg+0x714/0x830 [ 151.732035][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.732035][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.732035][ C1] do_syscall_64+0x9f/0x140 [ 151.732035][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.732035][ C1] ===================================================== [ 152.269131][ C1] ===================================================== [ 152.276518][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 152.279077][ C1] CPU: 1 PID: 8424 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.293138][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.293138][ C1] Call Trace: [ 152.293138][ C1] [ 152.293138][ C1] dump_stack+0x24c/0x2e0 [ 152.293138][ C1] kmsan_report+0xfb/0x1e0 [ 152.293138][ C1] __msan_warning+0x5c/0xa0 [ 152.293138][ C1] ip_rcv_core+0xf5d/0x1480 [ 152.293138][ C1] ip_rcv+0xc7/0x820 [ 152.293138][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.293138][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.293138][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.293138][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.293138][ C1] process_backlog+0x517/0xbd0 [ 152.293138][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.373295][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.373295][ C1] __napi_poll+0x13e/0xca0 [ 152.373295][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.373295][ C1] net_rx_action+0x726/0x14a0 [ 152.373295][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.373295][ C1] ? net_tx_action+0xd30/0xd30 [ 152.373295][ C1] __do_softirq+0x1b9/0x715 [ 152.373295][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.373295][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.373295][ C1] do_softirq+0x123/0x1c0 [ 152.373295][ C1] [ 152.373295][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.373295][ C1] local_bh_enable+0x36/0x40 [ 152.373295][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.373295][ C1] dev_queue_xmit+0x4b/0x60 [ 152.373295][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.373295][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.373295][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.373295][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.373295][ C1] ? process_slab+0x13a8/0x1b70 [ 152.373295][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.373295][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.373295][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.373295][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.373295][ C1] __sys_sendmsg+0x714/0x830 [ 152.373295][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 152.373295][ C1] ? up_read+0x40/0x2b0 [ 152.373295][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.373295][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.373295][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.373295][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.373295][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.373295][ C1] do_syscall_64+0x9f/0x140 [ 152.373295][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.373295][ C1] RIP: 0033:0x443df9 [ 152.373295][ C1] 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 [ 152.373295][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.373295][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 152.373295][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 152.373295][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 152.373295][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000249a1 [ 152.373295][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 152.373295][ C1] [ 152.373295][ C1] Uninit was stored to memory at: [ 152.373295][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.373295][ C1] __msan_chain_origin+0x54/0xa0 [ 152.373295][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.373295][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.373295][ C1] geneve_xmit+0x2139/0x3c40 [ 152.373295][ C1] xmit_one+0x2b6/0x760 [ 152.373295][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.373295][ C1] dev_queue_xmit+0x4b/0x60 [ 152.373295][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.373295][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.373295][ C1] __sys_sendmsg+0x714/0x830 [ 152.373295][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.373295][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.373295][ C1] do_syscall_64+0x9f/0x140 [ 152.373295][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.373295][ C1] [ 152.373295][ C1] Uninit was created at: [ 152.373295][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.373295][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.373295][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.373295][ C1] __alloc_skb+0x4dd/0xe90 [ 152.373295][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.373295][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.373295][ C1] packet_sendmsg+0x6a12/0x99d0 [ 152.373295][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.373295][ C1] __sys_sendmsg+0x714/0x830 [ 152.373295][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.373295][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.373295][ C1] do_syscall_64+0x9f/0x140 [ 152.373295][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.373295][ C1] ===================================================== [ 152.818496][ C1] ===================================================== [ 152.825654][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 152.828447][ C1] CPU: 1 PID: 8424 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.828447][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.828447][ C1] Call Trace: [ 152.828447][ C1] [ 152.828447][ C1] dump_stack+0x24c/0x2e0 [ 152.828447][ C1] kmsan_report+0xfb/0x1e0 [ 152.828447][ C1] __msan_warning+0x5c/0xa0 [ 152.828447][ C1] ip_rcv_core+0x1068/0x1480 [ 152.828447][ C1] ip_rcv+0xc7/0x820 [ 152.828447][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.828447][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.828447][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.828447][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.828447][ C1] process_backlog+0x517/0xbd0 [ 152.828447][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.828447][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.828447][ C1] __napi_poll+0x13e/0xca0 [ 152.828447][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.828447][ C1] net_rx_action+0x726/0x14a0 [ 152.828447][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.828447][ C1] ? net_tx_action+0xd30/0xd30 [ 152.828447][ C1] __do_softirq+0x1b9/0x715 [ 152.828447][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.828447][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.828447][ C1] do_softirq+0x123/0x1c0 [ 152.828447][ C1] [ 152.828447][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.828447][ C1] local_bh_enable+0x36/0x40 [ 152.828447][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.828447][ C1] dev_queue_xmit+0x4b/0x60 [ 152.828447][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.828447][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.828447][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.828447][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.828447][ C1] ? process_slab+0x13a8/0x1b70 [ 152.828447][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.828447][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.828447][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.828447][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.828447][ C1] __sys_sendmsg+0x714/0x830 [ 152.828447][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 152.828447][ C1] ? up_read+0x40/0x2b0 [ 152.828447][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.828447][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.828447][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.828447][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.828447][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.828447][ C1] do_syscall_64+0x9f/0x140 [ 152.828447][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.828447][ C1] RIP: 0033:0x443df9 [ 152.828447][ C1] 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 [ 152.828447][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.828447][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 152.828447][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 152.828447][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 152.828447][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000249a1 [ 152.828447][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 152.828447][ C1] [ 152.828447][ C1] Uninit was stored to memory at: [ 152.828447][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.828447][ C1] __msan_chain_origin+0x54/0xa0 [ 152.828447][ C1] __ip_local_out+0x479/0x840 [ 152.828447][ C1] ip_local_out+0xa1/0x1e0 [ 152.828447][ C1] iptunnel_xmit+0x931/0xf20 [ 152.828447][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.828447][ C1] geneve_xmit+0x2139/0x3c40 [ 152.828447][ C1] xmit_one+0x2b6/0x760 [ 152.828447][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.828447][ C1] dev_queue_xmit+0x4b/0x60 [ 152.828447][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.828447][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.828447][ C1] __sys_sendmsg+0x714/0x830 [ 152.828447][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.828447][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.828447][ C1] do_syscall_64+0x9f/0x140 [ 152.828447][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.828447][ C1] [ 152.828447][ C1] Uninit was stored to memory at: [ 152.828447][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.828447][ C1] __msan_chain_origin+0x54/0xa0 [ 152.828447][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.828447][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.828447][ C1] geneve_xmit+0x2139/0x3c40 [ 152.828447][ C1] xmit_one+0x2b6/0x760 [ 152.828447][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.828447][ C1] dev_queue_xmit+0x4b/0x60 [ 152.828447][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.828447][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.828447][ C1] __sys_sendmsg+0x714/0x830 [ 152.828447][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.828447][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.828447][ C1] do_syscall_64+0x9f/0x140 [ 152.828447][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.828447][ C1] [ 152.828447][ C1] Uninit was created at: [ 152.828447][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.828447][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.828447][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.828447][ C1] __alloc_skb+0x4dd/0xe90 [ 152.828447][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.828447][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.828447][ C1] packet_sendmsg+0x6a12/0x99d0 [ 152.828447][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.828447][ C1] __sys_sendmsg+0x714/0x830 [ 152.828447][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.828447][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.828447][ C1] do_syscall_64+0x9f/0x140 [ 152.828447][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 152.828447][ C1] ===================================================== [ 153.493145][ C0] ===================================================== [ 153.500652][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 153.502795][ C0] CPU: 0 PID: 8425 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.512904][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.512904][ C0] Call Trace: [ 153.512904][ C0] [ 153.512904][ C0] dump_stack+0x24c/0x2e0 [ 153.512904][ C0] kmsan_report+0xfb/0x1e0 [ 153.542958][ C0] __msan_warning+0x5c/0xa0 [ 153.542958][ C0] ip_rcv_core+0xf4c/0x1480 [ 153.542958][ C0] ip_rcv+0xc7/0x820 [ 153.542958][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.542958][ C0] __netif_receive_skb+0x1ec/0x640 [ 153.569677][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.575736][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 153.582027][ C0] process_backlog+0x517/0xbd0 [ 153.587336][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.593404][ C0] __napi_poll+0x13e/0xca0 [ 153.598363][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.604860][ C0] net_rx_action+0x726/0x14a0 [ 153.609785][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.617413][ C0] ? net_tx_action+0xd30/0xd30 [ 153.623708][ C0] __do_softirq+0x1b9/0x715 [ 153.628527][ C0] ? idle_cpu+0x9a/0x1d0 [ 153.633351][ C0] ? __irq_exit_rcu+0x83/0x280 [ 153.638187][ C0] do_softirq+0x123/0x1c0 [ 153.641848][ C0] [ 153.647464][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 153.652265][ C0] local_bh_enable+0x36/0x40 [ 153.657160][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 153.662038][ C0] dev_queue_xmit+0x4b/0x60 [ 153.667326][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.673374][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.678184][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.683650][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.689964][ C0] ? process_slab+0x13a8/0x1b70 [ 153.694805][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.700842][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.707268][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.713267][ C0] ? packet_getsockopt+0x1120/0x1120 [ 153.718328][ C0] __sys_sendmsg+0x714/0x830 [ 153.723654][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 153.729684][ C0] ? up_read+0x40/0x2b0 [ 153.734491][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.739295][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.746037][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.752158][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.757120][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.761941][ C0] do_syscall_64+0x9f/0x140 [ 153.766774][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.773349][ C0] RIP: 0033:0x443df9 [ 153.776996][ 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 [ 153.798429][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.807293][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 153.815705][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 153.825969][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.834398][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000250c1 [ 153.841641][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 153.847577][ C0] [ 153.853131][ C0] Uninit was stored to memory at: [ 153.859185][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.864784][ C0] __msan_chain_origin+0x54/0xa0 [ 153.869588][ C0] iptunnel_xmit+0xbd6/0xf20 [ 153.875685][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 153.880513][ C0] geneve_xmit+0x2139/0x3c40 [ 153.886247][ C0] xmit_one+0x2b6/0x760 [ 153.889946][ C0] __dev_queue_xmit+0x3432/0x4600 [ 153.896015][ C0] dev_queue_xmit+0x4b/0x60 [ 153.901239][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.906126][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.910973][ C0] __sys_sendmsg+0x714/0x830 [ 153.915787][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.920588][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.925961][ C0] do_syscall_64+0x9f/0x140 [ 153.931498][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.938230][ C0] [ 153.940630][ C0] Uninit was created at: [ 153.944858][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.952088][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 153.956874][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.963684][ C0] __alloc_skb+0x4dd/0xe90 [ 153.969841][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 153.975896][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.981962][ C0] packet_sendmsg+0x6a12/0x99d0 [ 153.988465][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.993252][ C0] __sys_sendmsg+0x714/0x830 [ 153.998080][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.003701][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.011177][ C0] do_syscall_64+0x9f/0x140 [ 154.016106][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.022370][ C0] ===================================================== [ 154.031973][ C0] ===================================================== [ 154.039373][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 154.041878][ C0] CPU: 0 PID: 8425 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.053694][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.053694][ C0] Call Trace: [ 154.053694][ C0] [ 154.053694][ C0] dump_stack+0x24c/0x2e0 [ 154.053694][ C0] kmsan_report+0xfb/0x1e0 [ 154.083466][ C0] __msan_warning+0x5c/0xa0 [ 154.083466][ C0] ip_rcv_core+0xf5d/0x1480 [ 154.083466][ C0] ip_rcv+0xc7/0x820 [ 154.083466][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.083466][ C0] __netif_receive_skb+0x1ec/0x640 [ 154.083466][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.083466][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 154.083466][ C0] process_backlog+0x517/0xbd0 [ 154.083466][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.142219][ C0] __napi_poll+0x13e/0xca0 [ 154.147797][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.156669][ C0] net_rx_action+0x726/0x14a0 [ 154.161655][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.170155][ C0] ? net_tx_action+0xd30/0xd30 [ 154.175028][ C0] __do_softirq+0x1b9/0x715 [ 154.181523][ C0] ? idle_cpu+0x9a/0x1d0 [ 154.186326][ C0] ? __irq_exit_rcu+0x83/0x280 [ 154.193003][ C0] do_softirq+0x123/0x1c0 [ 154.198718][ C0] [ 154.202514][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 154.209971][ C0] local_bh_enable+0x36/0x40 [ 154.214825][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 154.220998][ C0] dev_queue_xmit+0x4b/0x60 [ 154.226354][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.232900][ C0] packet_sendmsg+0x86ee/0x99d0 [ 154.240222][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.248756][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.254931][ C0] ? process_slab+0x13a8/0x1b70 [ 154.261410][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.267722][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.274994][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.279800][ C0] ? packet_getsockopt+0x1120/0x1120 [ 154.285127][ C0] __sys_sendmsg+0x714/0x830 [ 154.289975][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 154.297194][ C0] ? up_read+0x40/0x2b0 [ 154.300794][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.306184][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.313501][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.318335][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.321957][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.328266][ C0] do_syscall_64+0x9f/0x140 [ 154.333124][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.339281][ C0] RIP: 0033:0x443df9 [ 154.343776][ 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 [ 154.363780][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.373447][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 154.381870][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 154.389741][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.398153][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000250c1 [ 154.407156][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 154.415627][ C0] [ 154.418071][ C0] Uninit was stored to memory at: [ 154.424998][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.429850][ C0] __msan_chain_origin+0x54/0xa0 [ 154.435421][ C0] iptunnel_xmit+0xbd6/0xf20 [ 154.440216][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 154.446231][ C0] geneve_xmit+0x2139/0x3c40 [ 154.451189][ C0] xmit_one+0x2b6/0x760 [ 154.455855][ C0] __dev_queue_xmit+0x3432/0x4600 [ 154.460683][ C0] dev_queue_xmit+0x4b/0x60 [ 154.466141][ C0] packet_sendmsg+0x86ee/0x99d0 [ 154.470943][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.475931][ C0] __sys_sendmsg+0x714/0x830 [ 154.480736][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.481953][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.491148][ C0] do_syscall_64+0x9f/0x140 [ 154.495977][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.502154][ C0] [ 154.503815][ C0] Uninit was created at: [ 154.508836][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.514884][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 154.519715][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.526163][ C0] __alloc_skb+0x4dd/0xe90 [ 154.530972][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 154.535754][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.540705][ C0] packet_sendmsg+0x6a12/0x99d0 [ 154.546180][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.551266][ C0] __sys_sendmsg+0x714/0x830 [ 154.557465][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.562457][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.568167][ C0] do_syscall_64+0x9f/0x140 [ 154.572920][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.579072][ C0] ===================================================== [ 154.586687][ C0] ===================================================== [ 154.593643][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 154.596559][ C0] CPU: 0 PID: 8425 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.596559][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.612898][ C0] Call Trace: [ 154.612898][ C0] [ 154.612898][ C0] dump_stack+0x24c/0x2e0 [ 154.612898][ C0] kmsan_report+0xfb/0x1e0 [ 154.612898][ C0] __msan_warning+0x5c/0xa0 [ 154.612898][ C0] ip_rcv_core+0x1068/0x1480 [ 154.643626][ C0] ip_rcv+0xc7/0x820 [ 154.643626][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.643626][ C0] __netif_receive_skb+0x1ec/0x640 [ 154.643626][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.643626][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 154.672907][ C0] process_backlog+0x517/0xbd0 [ 154.672907][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.672907][ C0] __napi_poll+0x13e/0xca0 [ 154.672907][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.695616][ C0] net_rx_action+0x726/0x14a0 [ 154.700477][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.707357][ C0] ? net_tx_action+0xd30/0xd30 [ 154.712212][ C0] __do_softirq+0x1b9/0x715 [ 154.717085][ C0] ? idle_cpu+0x9a/0x1d0 [ 154.720907][ C0] ? __irq_exit_rcu+0x83/0x280 [ 154.726823][ C0] do_softirq+0x123/0x1c0 [ 154.730447][ C0] [ 154.734169][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 154.738976][ C0] local_bh_enable+0x36/0x40 [ 154.743600][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 154.748603][ C0] dev_queue_xmit+0x4b/0x60 [ 154.754611][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.759431][ C0] packet_sendmsg+0x86ee/0x99d0 [ 154.764915][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.771109][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.778400][ C0] ? process_slab+0x13a8/0x1b70 [ 154.783790][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.791049][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.798257][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.804835][ C0] ? packet_getsockopt+0x1120/0x1120 [ 154.810839][ C0] __sys_sendmsg+0x714/0x830 [ 154.815672][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 154.821724][ C0] ? up_read+0x40/0x2b0 [ 154.827517][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.833688][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.839720][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.846200][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.851041][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.855867][ C0] do_syscall_64+0x9f/0x140 [ 154.860722][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.867453][ C0] RIP: 0033:0x443df9 [ 154.871372][ 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 [ 154.891697][ C0] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.900269][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 154.909867][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 154.918284][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.926140][ C0] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000250c1 [ 154.935175][ C0] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 154.942968][ C0] [ 154.946264][ C0] Uninit was stored to memory at: [ 154.951092][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.957173][ C0] __msan_chain_origin+0x54/0xa0 [ 154.961983][ C0] __ip_local_out+0x479/0x840 [ 154.968389][ C0] ip_local_out+0xa1/0x1e0 [ 154.973194][ C0] iptunnel_xmit+0x931/0xf20 [ 154.978049][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 154.983756][ C0] geneve_xmit+0x2139/0x3c40 [ 154.988586][ C0] xmit_one+0x2b6/0x760 [ 154.993413][ C0] __dev_queue_xmit+0x3432/0x4600 [ 154.999678][ C0] dev_queue_xmit+0x4b/0x60 [ 155.005026][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.009989][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.016285][ C0] __sys_sendmsg+0x714/0x830 [ 155.023070][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.028803][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.033705][ C0] do_syscall_64+0x9f/0x140 [ 155.038603][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.046393][ C0] [ 155.048816][ C0] Uninit was stored to memory at: [ 155.053719][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 155.059766][ C0] __msan_chain_origin+0x54/0xa0 [ 155.066497][ C0] iptunnel_xmit+0xbd6/0xf20 [ 155.072798][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 155.077706][ C0] geneve_xmit+0x2139/0x3c40 [ 155.083942][ C0] xmit_one+0x2b6/0x760 [ 155.090034][ C0] __dev_queue_xmit+0x3432/0x4600 [ 155.098481][ C0] dev_queue_xmit+0x4b/0x60 [ 155.102968][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.109003][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.115099][ C0] __sys_sendmsg+0x714/0x830 [ 155.119913][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.124689][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.130956][ C0] do_syscall_64+0x9f/0x140 [ 155.134616][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.142098][ C0] [ 155.145266][ C0] Uninit was created at: [ 155.149148][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.156717][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 155.163802][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.169849][ C0] __alloc_skb+0x4dd/0xe90 [ 155.174656][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 155.180730][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.187539][ C0] packet_sendmsg+0x6a12/0x99d0 [ 155.192913][ C0] ____sys_sendmsg+0xcfc/0x12f0 executing program [ 155.198444][ C0] __sys_sendmsg+0x714/0x830 [ 155.203803][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.209845][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.215992][ C0] do_syscall_64+0x9f/0x140 [ 155.222372][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.228693][ C0] ===================================================== [ 155.269829][ C1] ===================================================== [ 155.272812][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 155.272812][ C1] CPU: 1 PID: 8426 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.272812][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.272812][ C1] Call Trace: [ 155.272812][ C1] [ 155.272812][ C1] dump_stack+0x24c/0x2e0 [ 155.272812][ C1] kmsan_report+0xfb/0x1e0 [ 155.272812][ C1] __msan_warning+0x5c/0xa0 [ 155.272812][ C1] ip_rcv_core+0xf4c/0x1480 [ 155.272812][ C1] ip_rcv+0xc7/0x820 [ 155.272812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.272812][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.272812][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.272812][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 155.272812][ C1] process_backlog+0x517/0xbd0 [ 155.272812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.272812][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.272812][ C1] __napi_poll+0x13e/0xca0 [ 155.272812][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.272812][ C1] net_rx_action+0x726/0x14a0 [ 155.272812][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.272812][ C1] ? net_tx_action+0xd30/0xd30 [ 155.272812][ C1] __do_softirq+0x1b9/0x715 [ 155.272812][ C1] ? idle_cpu+0x9a/0x1d0 [ 155.272812][ C1] ? __irq_exit_rcu+0x83/0x280 [ 155.272812][ C1] do_softirq+0x123/0x1c0 [ 155.272812][ C1] [ 155.272812][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 155.272812][ C1] local_bh_enable+0x36/0x40 [ 155.272812][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 155.272812][ C1] dev_queue_xmit+0x4b/0x60 [ 155.272812][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.272812][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.272812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.272812][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.272812][ C1] ? process_slab+0x13a8/0x1b70 [ 155.272812][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.272812][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.272812][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.272812][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.272812][ C1] __sys_sendmsg+0x714/0x830 [ 155.272812][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.272812][ C1] ? up_read+0x40/0x2b0 [ 155.272812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.272812][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.272812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.272812][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.272812][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.272812][ C1] do_syscall_64+0x9f/0x140 [ 155.272812][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.272812][ C1] RIP: 0033:0x443df9 [ 155.272812][ C1] 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 [ 155.272812][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.272812][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 155.272812][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 155.272812][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.272812][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000257c8 [ 155.272812][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 155.272812][ C1] [ 155.272812][ C1] Uninit was stored to memory at: [ 155.272812][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.272812][ C1] __msan_chain_origin+0x54/0xa0 [ 155.272812][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.272812][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.272812][ C1] geneve_xmit+0x2139/0x3c40 [ 155.272812][ C1] xmit_one+0x2b6/0x760 [ 155.272812][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.272812][ C1] dev_queue_xmit+0x4b/0x60 [ 155.272812][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.272812][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.272812][ C1] __sys_sendmsg+0x714/0x830 [ 155.272812][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.272812][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.272812][ C1] do_syscall_64+0x9f/0x140 [ 155.272812][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.272812][ C1] [ 155.272812][ C1] Uninit was created at: [ 155.272812][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.272812][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.272812][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.272812][ C1] __alloc_skb+0x4dd/0xe90 [ 155.272812][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.272812][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.272812][ C1] packet_sendmsg+0x6a12/0x99d0 [ 155.272812][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.272812][ C1] __sys_sendmsg+0x714/0x830 [ 155.272812][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.272812][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.272812][ C1] do_syscall_64+0x9f/0x140 [ 155.272812][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.272812][ C1] ===================================================== [ 155.826700][ C1] ===================================================== [ 155.835010][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 155.836647][ C1] CPU: 1 PID: 8426 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.836647][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.836647][ C1] Call Trace: [ 155.836647][ C1] [ 155.836647][ C1] dump_stack+0x24c/0x2e0 [ 155.836647][ C1] kmsan_report+0xfb/0x1e0 [ 155.836647][ C1] __msan_warning+0x5c/0xa0 [ 155.836647][ C1] ip_rcv_core+0xf5d/0x1480 [ 155.836647][ C1] ip_rcv+0xc7/0x820 [ 155.836647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.836647][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.836647][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.836647][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 155.836647][ C1] process_backlog+0x517/0xbd0 [ 155.836647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.836647][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.836647][ C1] __napi_poll+0x13e/0xca0 [ 155.836647][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.836647][ C1] net_rx_action+0x726/0x14a0 [ 155.836647][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.836647][ C1] ? net_tx_action+0xd30/0xd30 [ 155.836647][ C1] __do_softirq+0x1b9/0x715 [ 155.836647][ C1] ? idle_cpu+0x9a/0x1d0 [ 155.836647][ C1] ? __irq_exit_rcu+0x83/0x280 [ 155.836647][ C1] do_softirq+0x123/0x1c0 [ 155.836647][ C1] [ 155.836647][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 155.836647][ C1] local_bh_enable+0x36/0x40 [ 155.836647][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 155.836647][ C1] dev_queue_xmit+0x4b/0x60 [ 155.836647][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.836647][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.836647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.836647][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.836647][ C1] ? process_slab+0x13a8/0x1b70 [ 155.836647][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.836647][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.836647][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.836647][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.836647][ C1] __sys_sendmsg+0x714/0x830 [ 155.836647][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.836647][ C1] ? up_read+0x40/0x2b0 [ 155.836647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.836647][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.836647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.836647][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.836647][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.836647][ C1] do_syscall_64+0x9f/0x140 [ 155.836647][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.836647][ C1] RIP: 0033:0x443df9 [ 155.836647][ C1] 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 [ 155.836647][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.836647][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 155.836647][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 155.836647][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.836647][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000257c8 [ 155.836647][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 155.836647][ C1] [ 155.836647][ C1] Uninit was stored to memory at: [ 155.836647][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.836647][ C1] __msan_chain_origin+0x54/0xa0 [ 155.836647][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.836647][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.836647][ C1] geneve_xmit+0x2139/0x3c40 [ 155.836647][ C1] xmit_one+0x2b6/0x760 [ 155.836647][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.836647][ C1] dev_queue_xmit+0x4b/0x60 [ 155.836647][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.836647][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.836647][ C1] __sys_sendmsg+0x714/0x830 [ 155.836647][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.836647][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.836647][ C1] do_syscall_64+0x9f/0x140 [ 155.836647][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.836647][ C1] [ 155.836647][ C1] Uninit was created at: [ 155.836647][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.836647][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.836647][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.836647][ C1] __alloc_skb+0x4dd/0xe90 [ 155.836647][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.836647][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.836647][ C1] packet_sendmsg+0x6a12/0x99d0 [ 155.836647][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.836647][ C1] __sys_sendmsg+0x714/0x830 [ 155.836647][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.836647][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.836647][ C1] do_syscall_64+0x9f/0x140 [ 155.836647][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.836647][ C1] ===================================================== [ 156.385762][ C1] ===================================================== [ 156.392961][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 156.395714][ C1] CPU: 1 PID: 8426 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.395714][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.395714][ C1] Call Trace: [ 156.395714][ C1] [ 156.395714][ C1] dump_stack+0x24c/0x2e0 [ 156.395714][ C1] kmsan_report+0xfb/0x1e0 [ 156.395714][ C1] __msan_warning+0x5c/0xa0 [ 156.395714][ C1] ip_rcv_core+0x1068/0x1480 [ 156.395714][ C1] ip_rcv+0xc7/0x820 [ 156.395714][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.395714][ C1] __netif_receive_skb+0x1ec/0x640 [ 156.395714][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.395714][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 156.395714][ C1] process_backlog+0x517/0xbd0 [ 156.395714][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.395714][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.395714][ C1] __napi_poll+0x13e/0xca0 [ 156.395714][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.395714][ C1] net_rx_action+0x726/0x14a0 [ 156.395714][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.395714][ C1] ? net_tx_action+0xd30/0xd30 [ 156.395714][ C1] __do_softirq+0x1b9/0x715 [ 156.395714][ C1] ? idle_cpu+0x9a/0x1d0 [ 156.395714][ C1] ? __irq_exit_rcu+0x83/0x280 [ 156.395714][ C1] do_softirq+0x123/0x1c0 [ 156.395714][ C1] [ 156.395714][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 156.395714][ C1] local_bh_enable+0x36/0x40 [ 156.395714][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 156.395714][ C1] dev_queue_xmit+0x4b/0x60 [ 156.395714][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.395714][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.395714][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.395714][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.395714][ C1] ? process_slab+0x13a8/0x1b70 [ 156.395714][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.395714][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.395714][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.395714][ C1] ? packet_getsockopt+0x1120/0x1120 [ 156.395714][ C1] __sys_sendmsg+0x714/0x830 [ 156.395714][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 156.395714][ C1] ? up_read+0x40/0x2b0 [ 156.395714][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.395714][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.395714][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.395714][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.395714][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.395714][ C1] do_syscall_64+0x9f/0x140 [ 156.395714][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.395714][ C1] RIP: 0033:0x443df9 [ 156.395714][ C1] 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 [ 156.395714][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.395714][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 156.395714][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 156.395714][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.395714][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000257c8 [ 156.395714][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 156.395714][ C1] [ 156.395714][ C1] Uninit was stored to memory at: [ 156.395714][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.395714][ C1] __msan_chain_origin+0x54/0xa0 [ 156.395714][ C1] __ip_local_out+0x479/0x840 [ 156.395714][ C1] ip_local_out+0xa1/0x1e0 [ 156.395714][ C1] iptunnel_xmit+0x931/0xf20 [ 156.395714][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.395714][ C1] geneve_xmit+0x2139/0x3c40 [ 156.395714][ C1] xmit_one+0x2b6/0x760 [ 156.395714][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.395714][ C1] dev_queue_xmit+0x4b/0x60 [ 156.395714][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.395714][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.395714][ C1] __sys_sendmsg+0x714/0x830 [ 156.395714][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.395714][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.395714][ C1] do_syscall_64+0x9f/0x140 [ 156.395714][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.395714][ C1] [ 156.395714][ C1] Uninit was stored to memory at: [ 156.395714][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.395714][ C1] __msan_chain_origin+0x54/0xa0 [ 156.395714][ C1] iptunnel_xmit+0xbd6/0xf20 [ 156.395714][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.395714][ C1] geneve_xmit+0x2139/0x3c40 [ 156.395714][ C1] xmit_one+0x2b6/0x760 [ 156.395714][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.395714][ C1] dev_queue_xmit+0x4b/0x60 [ 156.395714][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.395714][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.395714][ C1] __sys_sendmsg+0x714/0x830 [ 156.395714][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.395714][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.395714][ C1] do_syscall_64+0x9f/0x140 [ 156.395714][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.395714][ C1] [ 156.395714][ C1] Uninit was created at: [ 156.395714][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.395714][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 156.395714][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 156.395714][ C1] __alloc_skb+0x4dd/0xe90 [ 156.395714][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 156.395714][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.395714][ C1] packet_sendmsg+0x6a12/0x99d0 [ 156.395714][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.395714][ C1] __sys_sendmsg+0x714/0x830 [ 156.395714][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.395714][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.395714][ C1] do_syscall_64+0x9f/0x140 [ 156.395714][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 156.395714][ C1] ===================================================== [ 157.069963][ C1] ===================================================== [ 157.072813][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 157.072813][ C1] CPU: 1 PID: 8427 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.072813][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.072813][ C1] Call Trace: [ 157.072813][ C1] [ 157.072813][ C1] dump_stack+0x24c/0x2e0 [ 157.072813][ C1] kmsan_report+0xfb/0x1e0 [ 157.072813][ C1] __msan_warning+0x5c/0xa0 [ 157.072813][ C1] ip_rcv_core+0xf4c/0x1480 [ 157.072813][ C1] ip_rcv+0xc7/0x820 [ 157.072813][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.072813][ C1] __netif_receive_skb+0x1ec/0x640 [ 157.072813][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.072813][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 157.072813][ C1] process_backlog+0x517/0xbd0 [ 157.072813][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.072813][ C1] __napi_poll+0x13e/0xca0 [ 157.072813][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.072813][ C1] net_rx_action+0x726/0x14a0 [ 157.072813][ C1] ? net_tx_action+0xd30/0xd30 [ 157.072813][ C1] __do_softirq+0x1b9/0x715 [ 157.072813][ C1] ? idle_cpu+0x9a/0x1d0 [ 157.072813][ C1] ? __irq_exit_rcu+0x83/0x280 [ 157.072813][ C1] do_softirq+0x123/0x1c0 [ 157.072813][ C1] [ 157.072813][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 157.072813][ C1] local_bh_enable+0x36/0x40 [ 157.072813][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 157.072813][ C1] dev_queue_xmit+0x4b/0x60 [ 157.072813][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.072813][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.072813][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.072813][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.072813][ C1] ? process_slab+0x13a8/0x1b70 [ 157.072813][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.072813][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.072813][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.072813][ C1] ? packet_getsockopt+0x1120/0x1120 [ 157.072813][ C1] __sys_sendmsg+0x714/0x830 [ 157.072813][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.072813][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 157.072813][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 157.072813][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.072813][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.072813][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.072813][ C1] do_syscall_64+0x9f/0x140 [ 157.072813][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.072813][ C1] RIP: 0033:0x443df9 [ 157.072813][ C1] 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 [ 157.072813][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.072813][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 157.072813][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 157.072813][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.072813][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 0000000000025ec2 [ 157.072813][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 157.072813][ C1] [ 157.072813][ C1] Uninit was stored to memory at: [ 157.072813][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.072813][ C1] __msan_chain_origin+0x54/0xa0 [ 157.072813][ C1] iptunnel_xmit+0xbd6/0xf20 [ 157.072813][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 157.072813][ C1] geneve_xmit+0x2139/0x3c40 [ 157.072813][ C1] xmit_one+0x2b6/0x760 [ 157.072813][ C1] __dev_queue_xmit+0x3432/0x4600 [ 157.072813][ C1] dev_queue_xmit+0x4b/0x60 [ 157.072813][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.072813][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.072813][ C1] __sys_sendmsg+0x714/0x830 [ 157.072813][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.072813][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.072813][ C1] do_syscall_64+0x9f/0x140 [ 157.072813][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.072813][ C1] [ 157.072813][ C1] Uninit was created at: [ 157.072813][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.072813][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 157.072813][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.072813][ C1] __alloc_skb+0x4dd/0xe90 [ 157.072813][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 157.072813][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 157.072813][ C1] packet_sendmsg+0x6a12/0x99d0 [ 157.072813][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.072813][ C1] __sys_sendmsg+0x714/0x830 [ 157.072813][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.072813][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.072813][ C1] do_syscall_64+0x9f/0x140 [ 157.072813][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.072813][ C1] ===================================================== [ 157.602329][ C1] ===================================================== [ 157.609702][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 157.612281][ C1] CPU: 1 PID: 8427 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.612281][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.612281][ C1] Call Trace: [ 157.612281][ C1] [ 157.612281][ C1] dump_stack+0x24c/0x2e0 [ 157.612281][ C1] kmsan_report+0xfb/0x1e0 [ 157.612281][ C1] __msan_warning+0x5c/0xa0 [ 157.612281][ C1] ip_rcv_core+0xf5d/0x1480 [ 157.612281][ C1] ip_rcv+0xc7/0x820 [ 157.612281][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.612281][ C1] __netif_receive_skb+0x1ec/0x640 [ 157.612281][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.685181][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 157.685181][ C1] process_backlog+0x517/0xbd0 [ 157.685181][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.685181][ C1] __napi_poll+0x13e/0xca0 [ 157.685181][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.685181][ C1] net_rx_action+0x726/0x14a0 [ 157.685181][ C1] ? net_tx_action+0xd30/0xd30 [ 157.685181][ C1] __do_softirq+0x1b9/0x715 [ 157.685181][ C1] ? idle_cpu+0x9a/0x1d0 [ 157.685181][ C1] ? __irq_exit_rcu+0x83/0x280 [ 157.685181][ C1] do_softirq+0x123/0x1c0 [ 157.685181][ C1] [ 157.685181][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 157.685181][ C1] local_bh_enable+0x36/0x40 [ 157.685181][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 157.685181][ C1] dev_queue_xmit+0x4b/0x60 [ 157.685181][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.685181][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.685181][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.685181][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.685181][ C1] ? process_slab+0x13a8/0x1b70 [ 157.685181][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.685181][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.685181][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.685181][ C1] ? packet_getsockopt+0x1120/0x1120 [ 157.685181][ C1] __sys_sendmsg+0x714/0x830 [ 157.685181][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.685181][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 157.685181][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 157.685181][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.685181][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.685181][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.685181][ C1] do_syscall_64+0x9f/0x140 [ 157.685181][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.685181][ C1] RIP: 0033:0x443df9 [ 157.685181][ C1] 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 [ 157.685181][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.685181][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 157.685181][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 157.685181][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.685181][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 0000000000025ec2 [ 157.685181][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 157.685181][ C1] [ 157.685181][ C1] Uninit was stored to memory at: [ 157.685181][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.685181][ C1] __msan_chain_origin+0x54/0xa0 [ 157.685181][ C1] iptunnel_xmit+0xbd6/0xf20 [ 157.685181][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 157.685181][ C1] geneve_xmit+0x2139/0x3c40 [ 157.685181][ C1] xmit_one+0x2b6/0x760 [ 157.685181][ C1] __dev_queue_xmit+0x3432/0x4600 [ 157.685181][ C1] dev_queue_xmit+0x4b/0x60 [ 157.685181][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.685181][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.685181][ C1] __sys_sendmsg+0x714/0x830 [ 157.685181][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.685181][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.685181][ C1] do_syscall_64+0x9f/0x140 [ 157.685181][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.685181][ C1] [ 157.685181][ C1] Uninit was created at: [ 157.685181][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.685181][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 157.685181][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.685181][ C1] __alloc_skb+0x4dd/0xe90 [ 157.685181][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 157.685181][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 157.685181][ C1] packet_sendmsg+0x6a12/0x99d0 [ 157.685181][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.685181][ C1] __sys_sendmsg+0x714/0x830 [ 157.685181][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.685181][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.685181][ C1] do_syscall_64+0x9f/0x140 [ 157.685181][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.685181][ C1] ===================================================== [ 158.138910][ C1] ===================================================== [ 158.146499][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 158.148860][ C1] CPU: 1 PID: 8427 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.148860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.148860][ C1] Call Trace: [ 158.148860][ C1] [ 158.148860][ C1] dump_stack+0x24c/0x2e0 [ 158.148860][ C1] kmsan_report+0xfb/0x1e0 [ 158.148860][ C1] __msan_warning+0x5c/0xa0 [ 158.148860][ C1] ip_rcv_core+0x1068/0x1480 [ 158.148860][ C1] ip_rcv+0xc7/0x820 [ 158.148860][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.148860][ C1] __netif_receive_skb+0x1ec/0x640 [ 158.148860][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.148860][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 158.148860][ C1] process_backlog+0x517/0xbd0 [ 158.148860][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 158.148860][ C1] __napi_poll+0x13e/0xca0 [ 158.148860][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.148860][ C1] net_rx_action+0x726/0x14a0 [ 158.148860][ C1] ? net_tx_action+0xd30/0xd30 [ 158.148860][ C1] __do_softirq+0x1b9/0x715 [ 158.148860][ C1] ? idle_cpu+0x9a/0x1d0 [ 158.148860][ C1] ? __irq_exit_rcu+0x83/0x280 [ 158.148860][ C1] do_softirq+0x123/0x1c0 [ 158.148860][ C1] [ 158.148860][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 158.148860][ C1] local_bh_enable+0x36/0x40 [ 158.148860][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 158.148860][ C1] dev_queue_xmit+0x4b/0x60 [ 158.148860][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 158.148860][ C1] packet_sendmsg+0x86ee/0x99d0 [ 158.148860][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.148860][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.148860][ C1] ? process_slab+0x13a8/0x1b70 [ 158.148860][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.148860][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.148860][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.148860][ C1] ? packet_getsockopt+0x1120/0x1120 [ 158.148860][ C1] __sys_sendmsg+0x714/0x830 [ 158.148860][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.148860][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 158.148860][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 158.148860][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.148860][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.148860][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.148860][ C1] do_syscall_64+0x9f/0x140 [ 158.148860][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.148860][ C1] RIP: 0033:0x443df9 [ 158.148860][ C1] 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 [ 158.148860][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.148860][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 158.148860][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 158.148860][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 158.148860][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 0000000000025ec2 [ 158.148860][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 158.148860][ C1] [ 158.148860][ C1] Uninit was stored to memory at: [ 158.148860][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 158.148860][ C1] __msan_chain_origin+0x54/0xa0 [ 158.148860][ C1] __ip_local_out+0x479/0x840 [ 158.148860][ C1] ip_local_out+0xa1/0x1e0 [ 158.148860][ C1] iptunnel_xmit+0x931/0xf20 [ 158.148860][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 158.148860][ C1] geneve_xmit+0x2139/0x3c40 [ 158.148860][ C1] xmit_one+0x2b6/0x760 [ 158.148860][ C1] __dev_queue_xmit+0x3432/0x4600 [ 158.148860][ C1] dev_queue_xmit+0x4b/0x60 [ 158.148860][ C1] packet_sendmsg+0x86ee/0x99d0 [ 158.148860][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.148860][ C1] __sys_sendmsg+0x714/0x830 [ 158.148860][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.148860][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.148860][ C1] do_syscall_64+0x9f/0x140 [ 158.148860][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.148860][ C1] [ 158.148860][ C1] Uninit was stored to memory at: [ 158.148860][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 158.148860][ C1] __msan_chain_origin+0x54/0xa0 [ 158.148860][ C1] iptunnel_xmit+0xbd6/0xf20 [ 158.148860][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 158.148860][ C1] geneve_xmit+0x2139/0x3c40 [ 158.148860][ C1] xmit_one+0x2b6/0x760 [ 158.148860][ C1] __dev_queue_xmit+0x3432/0x4600 [ 158.148860][ C1] dev_queue_xmit+0x4b/0x60 [ 158.148860][ C1] packet_sendmsg+0x86ee/0x99d0 [ 158.148860][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.148860][ C1] __sys_sendmsg+0x714/0x830 [ 158.148860][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.148860][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.148860][ C1] do_syscall_64+0x9f/0x140 [ 158.148860][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.148860][ C1] [ 158.148860][ C1] Uninit was created at: [ 158.148860][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 158.148860][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 158.148860][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 158.148860][ C1] __alloc_skb+0x4dd/0xe90 [ 158.148860][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 158.148860][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 158.148860][ C1] packet_sendmsg+0x6a12/0x99d0 [ 158.148860][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.148860][ C1] __sys_sendmsg+0x714/0x830 executing program [ 158.148860][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.148860][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.148860][ C1] do_syscall_64+0x9f/0x140 [ 158.148860][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.148860][ C1] ===================================================== [ 158.785931][ C1] ===================================================== [ 158.792811][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 158.792811][ C1] CPU: 1 PID: 8428 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.792811][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.792811][ C1] Call Trace: [ 158.792811][ C1] [ 158.792811][ C1] dump_stack+0x24c/0x2e0 [ 158.792811][ C1] kmsan_report+0xfb/0x1e0 [ 158.792811][ C1] __msan_warning+0x5c/0xa0 [ 158.792811][ C1] ip_rcv_core+0xf4c/0x1480 [ 158.792811][ C1] ip_rcv+0xc7/0x820 [ 158.792811][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.792811][ C1] __netif_receive_skb+0x1ec/0x640 [ 158.792811][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.792811][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 158.792811][ C1] process_backlog+0x517/0xbd0 [ 158.792811][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 158.792811][ C1] __napi_poll+0x13e/0xca0 [ 158.792811][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.792811][ C1] net_rx_action+0x726/0x14a0 [ 158.792811][ C1] ? net_tx_action+0xd30/0xd30 [ 158.792811][ C1] __do_softirq+0x1b9/0x715 [ 158.792811][ C1] ? idle_cpu+0x9a/0x1d0 [ 158.792811][ C1] ? __irq_exit_rcu+0x83/0x280 [ 158.792811][ C1] do_softirq+0x123/0x1c0 [ 158.792811][ C1] [ 158.792811][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 158.792811][ C1] local_bh_enable+0x36/0x40 [ 158.792811][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 158.792811][ C1] dev_queue_xmit+0x4b/0x60 [ 158.792811][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 158.792811][ C1] packet_sendmsg+0x86ee/0x99d0 [ 158.792811][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.792811][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.792811][ C1] ? process_slab+0x13a8/0x1b70 [ 158.792811][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.792811][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.792811][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.792811][ C1] ? packet_getsockopt+0x1120/0x1120 [ 158.792811][ C1] __sys_sendmsg+0x714/0x830 [ 158.792811][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.792811][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 158.792811][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 158.792811][ C1] ? kmsan_get_metadata+0x116/0x180 [ 158.792811][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.792811][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.792811][ C1] do_syscall_64+0x9f/0x140 [ 158.792811][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.792811][ C1] RIP: 0033:0x443df9 [ 158.792811][ C1] 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 [ 158.792811][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.792811][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 158.792811][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 158.792811][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 158.792811][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000265c8 [ 158.792811][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 158.792811][ C1] [ 158.792811][ C1] Uninit was stored to memory at: [ 158.792811][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 158.792811][ C1] __msan_chain_origin+0x54/0xa0 [ 158.792811][ C1] iptunnel_xmit+0xbd6/0xf20 [ 158.792811][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 158.792811][ C1] geneve_xmit+0x2139/0x3c40 [ 158.792811][ C1] xmit_one+0x2b6/0x760 [ 158.792811][ C1] __dev_queue_xmit+0x3432/0x4600 [ 158.792811][ C1] dev_queue_xmit+0x4b/0x60 [ 158.792811][ C1] packet_sendmsg+0x86ee/0x99d0 [ 158.792811][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.792811][ C1] __sys_sendmsg+0x714/0x830 [ 158.792811][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.792811][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.792811][ C1] do_syscall_64+0x9f/0x140 [ 158.792811][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.792811][ C1] [ 158.792811][ C1] Uninit was created at: [ 158.792811][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 158.792811][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 158.792811][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 158.792811][ C1] __alloc_skb+0x4dd/0xe90 [ 158.792811][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 158.792811][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 158.792811][ C1] packet_sendmsg+0x6a12/0x99d0 [ 158.792811][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 158.792811][ C1] __sys_sendmsg+0x714/0x830 [ 158.792811][ C1] __se_sys_sendmsg+0x97/0xb0 [ 158.792811][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 158.792811][ C1] do_syscall_64+0x9f/0x140 [ 158.792811][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.792811][ C1] ===================================================== [ 159.312713][ C1] ===================================================== [ 159.319924][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 159.322676][ C1] CPU: 1 PID: 8428 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 159.322676][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.322676][ C1] Call Trace: [ 159.322676][ C1] [ 159.322676][ C1] dump_stack+0x24c/0x2e0 [ 159.322676][ C1] kmsan_report+0xfb/0x1e0 [ 159.322676][ C1] __msan_warning+0x5c/0xa0 [ 159.322676][ C1] ip_rcv_core+0xf5d/0x1480 [ 159.322676][ C1] ip_rcv+0xc7/0x820 [ 159.322676][ C1] ? kmsan_get_metadata+0x116/0x180 [ 159.322676][ C1] __netif_receive_skb+0x1ec/0x640 [ 159.322676][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 159.322676][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 159.399825][ C1] process_backlog+0x517/0xbd0 [ 159.399825][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 159.399825][ C1] __napi_poll+0x13e/0xca0 [ 159.399825][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 159.399825][ C1] net_rx_action+0x726/0x14a0 [ 159.399825][ C1] ? net_tx_action+0xd30/0xd30 [ 159.399825][ C1] __do_softirq+0x1b9/0x715 [ 159.399825][ C1] ? idle_cpu+0x9a/0x1d0 [ 159.399825][ C1] ? __irq_exit_rcu+0x83/0x280 [ 159.399825][ C1] do_softirq+0x123/0x1c0 [ 159.399825][ C1] [ 159.399825][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 159.399825][ C1] local_bh_enable+0x36/0x40 [ 159.399825][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 159.399825][ C1] dev_queue_xmit+0x4b/0x60 [ 159.399825][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 159.399825][ C1] packet_sendmsg+0x86ee/0x99d0 [ 159.399825][ C1] ? kmsan_get_metadata+0x116/0x180 [ 159.399825][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 159.399825][ C1] ? process_slab+0x13a8/0x1b70 [ 159.399825][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 159.399825][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 159.399825][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 159.399825][ C1] ? packet_getsockopt+0x1120/0x1120 [ 159.399825][ C1] __sys_sendmsg+0x714/0x830 [ 159.399825][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 159.399825][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 159.399825][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 159.399825][ C1] ? kmsan_get_metadata+0x116/0x180 [ 159.399825][ C1] __se_sys_sendmsg+0x97/0xb0 [ 159.399825][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 159.399825][ C1] do_syscall_64+0x9f/0x140 [ 159.399825][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.399825][ C1] RIP: 0033:0x443df9 [ 159.399825][ C1] 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 [ 159.399825][ C1] RSP: 002b:00007ffc65f8b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.399825][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 159.399825][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 159.399825][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 159.399825][ C1] R10: 00007ffc65f8b000 R11: 0000000000000246 R12: 00000000000265c8 [ 159.399825][ C1] R13: 00007ffc65f8b5b0 R14: 00007ffc65f8b5a0 R15: 00007ffc65f8b594 [ 159.399825][ C1] [ 159.399825][ C1] Uninit was stored to memory at: [ 159.399825][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 159.399825][ C1] __msan_chain_origin+0x54/0xa0 [ 159.399825][ C1] iptunnel_xmit+0xbd6/0xf20 [ 159.399825][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 159.399825][ C1] geneve_xmit+0x2139/0x3c40 [ 159.399825][ C1] xmit_one+0x2b6/0x760 [ 159.399825][ C1] __dev_queue_xmit+0x3432/0x4600 [ 159.399825][ C1] dev_queue_xmit+0x4b/0x60 [ 159.399825][ C1] packet_sendmsg+0x86ee/0x99d0 [ 159.399825][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 159.399825][ C1] __sys_sendmsg+0x714/0x830 [ 159.399825][ C1] __se_sys_sendmsg+0x97/0xb0 [ 159.399825][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 159.399825][ C1] do_syscall_64+0x9f/0x140 [ 159.399825][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.399825][ C1] [ 159.399825][ C1] Uninit was created at: [ 159.399825][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 159.399825][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 159.399825][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 159.399825][ C1] __alloc_skb+0x4dd/0xe90 [ 159.399825][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 159.399825][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 159.399825][ C1] packet_sendmsg+0x6a12/0x99d0 [ 159.399825][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 159.399825][ C1] __sys_sendmsg+0x714/0x830 [ 159.399825][ C1] __se_sys_sendmsg+0x97/0xb0 [ 159.399825][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 159.399825][ C1] do_syscall_64+0x9f/0x140 [ 159.399825][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.399825][ C1] ===================================================== [ 159.849745][ C1] ===================================================== [ 159.857862][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 159.859693][ C1] CPU: 1 PID: 8428 Comm: syz-executor608 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 159.859693][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.859693][ C1] Call Trace: