Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. syzkaller login: [ 134.833943][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 134.988230][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 135.064972][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.072132][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 135.081266][ T8217] device bridge_slave_0 entered promiscuous mode [ 135.090921][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.098351][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 135.106826][ T8217] device bridge_slave_1 entered promiscuous mode [ 135.137346][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 135.149986][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 135.181383][ T8217] team0: Port device team_slave_0 added [ 135.190415][ T8217] team0: Port device team_slave_1 added [ 135.217485][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 135.224704][ T8217] 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. [ 135.250900][ T8217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 135.264737][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 135.271733][ T8217] 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. [ 135.297841][ T8217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 135.337134][ T8217] device hsr_slave_0 entered promiscuous mode [ 135.344598][ T8217] device hsr_slave_1 entered promiscuous mode [ 135.505014][ T8217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 135.519981][ T8217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 135.538985][ T8217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 135.555851][ T8217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 135.628403][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.635670][ T8217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 135.643514][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.650785][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 135.722016][ T8217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 135.741900][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 135.752946][ T56] bridge0: port 1(bridge_slave_0) entered disabled state [ 135.761726][ T56] bridge0: port 2(bridge_slave_1) entered disabled state [ 135.772335][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 135.790059][ T8217] 8021q: adding VLAN 0 to HW filter on device team0 [ 135.806749][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 135.815820][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.823363][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 135.838440][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 135.848067][ T8425] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.855631][ T8425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 135.885246][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 135.897249][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 135.915941][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 135.932018][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 135.949289][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 135.959189][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 135.974781][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 136.002411][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 136.010231][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 136.031842][ T8217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 136.062147][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 136.071724][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 136.104878][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 136.114330][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 136.125405][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 136.134378][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 136.150863][ T8217] device veth0_vlan entered promiscuous mode [ 136.168480][ T8217] device veth1_vlan entered promiscuous mode [ 136.204881][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 136.214090][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 136.223192][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 136.232704][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 136.247546][ T8217] device veth0_macvtap entered promiscuous mode [ 136.261285][ T8217] device veth1_macvtap entered promiscuous mode [ 136.290276][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 136.298154][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 136.307692][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 136.316840][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 136.326349][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 136.343022][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 136.350496][ T1975] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 136.360092][ T1975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 136.378614][ T8217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.387786][ T8217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.396818][ T8217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.406660][ T8217] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 136.550033][ C0] ===================================================== [ 136.552518][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 136.552518][ C0] CPU: 0 PID: 8428 Comm: syz-executor484 Not tainted 5.12.0-rc6-syzkaller #0 [ 136.570273][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.570273][ C0] Call Trace: [ 136.583516][ C0] [ 136.583516][ C0] dump_stack+0x24c/0x2e0 [ 136.592599][ C0] kmsan_report+0xfb/0x1e0 [ 136.592599][ C0] __msan_warning+0x5c/0xa0 [ 136.592599][ C0] ip_rcv_core+0xf4c/0x1480 [ 136.592599][ C0] ip_rcv+0xc7/0x820 [ 136.592599][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.592599][ C0] __netif_receive_skb+0x1ec/0x640 [ 136.592599][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.592599][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 136.592599][ C0] process_backlog+0x517/0xbd0 [ 136.592599][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 136.592599][ C0] __napi_poll+0x13e/0xca0 [ 136.592599][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 136.592599][ C0] net_rx_action+0x726/0x14a0 [ 136.592599][ C0] ? net_tx_action+0xd30/0xd30 [ 136.592599][ C0] __do_softirq+0x1b9/0x715 [ 136.592599][ C0] ? idle_cpu+0x9a/0x1d0 [ 136.592599][ C0] ? __irq_exit_rcu+0x83/0x280 [ 136.592599][ C0] do_softirq+0x123/0x1c0 [ 136.592599][ C0] [ 136.592599][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 136.592599][ C0] local_bh_enable+0x36/0x40 [ 136.592599][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 136.592599][ C0] dev_queue_xmit+0x4b/0x60 [ 136.592599][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 136.592599][ C0] packet_sendmsg+0x86ee/0x99d0 [ 136.592599][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.592599][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.592599][ C0] ? process_slab+0x13a8/0x1b70 [ 136.592599][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.592599][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 136.592599][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 136.592599][ C0] ? packet_getsockopt+0x1120/0x1120 [ 136.592599][ C0] __sys_sendmsg+0x714/0x830 [ 136.592599][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.592599][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 136.592599][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 136.592599][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.592599][ C0] __se_sys_sendmsg+0x97/0xb0 [ 136.592599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 136.592599][ C0] do_syscall_64+0x9f/0x140 [ 136.592599][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.592599][ C0] RIP: 0033:0x443e09 [ 136.592599][ 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 [ 136.592599][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.592599][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 136.592599][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 136.592599][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 136.592599][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 00007ffe7b6a4d60 [ 136.592599][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 0000000000000003 [ 136.592599][ C0] [ 136.592599][ C0] Uninit was stored to memory at: [ 136.592599][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 136.592599][ C0] __msan_chain_origin+0x54/0xa0 [ 136.592599][ C0] iptunnel_xmit+0xbd6/0xf20 [ 136.592599][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 136.592599][ C0] geneve_xmit+0x2139/0x3c40 [ 136.592599][ C0] xmit_one+0x2b6/0x760 [ 136.592599][ C0] __dev_queue_xmit+0x3432/0x4600 [ 136.592599][ C0] dev_queue_xmit+0x4b/0x60 [ 136.592599][ C0] packet_sendmsg+0x86ee/0x99d0 [ 136.592599][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 136.592599][ C0] __sys_sendmsg+0x714/0x830 [ 136.592599][ C0] __se_sys_sendmsg+0x97/0xb0 [ 136.592599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 136.592599][ C0] do_syscall_64+0x9f/0x140 [ 136.592599][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.592599][ C0] [ 136.592599][ C0] Uninit was created at: [ 136.592599][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 136.592599][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 136.592599][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 136.592599][ C0] __alloc_skb+0x4dd/0xe90 [ 136.592599][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 136.592599][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 136.592599][ C0] packet_sendmsg+0x6a12/0x99d0 [ 136.592599][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 136.592599][ C0] __sys_sendmsg+0x714/0x830 [ 136.592599][ C0] __se_sys_sendmsg+0x97/0xb0 [ 136.592599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 136.592599][ C0] do_syscall_64+0x9f/0x140 [ 136.592599][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.592599][ C0] ===================================================== [ 136.592599][ C0] Disabling lock debugging due to kernel taint [ 137.034013][ C0] ===================================================== [ 137.040972][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 137.045781][ C0] CPU: 0 PID: 8428 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.045781][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.045781][ C0] Call Trace: [ 137.045781][ C0] [ 137.045781][ C0] dump_stack+0x24c/0x2e0 [ 137.045781][ C0] kmsan_report+0xfb/0x1e0 [ 137.045781][ C0] __msan_warning+0x5c/0xa0 [ 137.045781][ C0] ip_rcv_core+0xf5d/0x1480 [ 137.045781][ C0] ip_rcv+0xc7/0x820 [ 137.045781][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.045781][ C0] __netif_receive_skb+0x1ec/0x640 [ 137.045781][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.045781][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 137.045781][ C0] process_backlog+0x517/0xbd0 [ 137.045781][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 137.045781][ C0] __napi_poll+0x13e/0xca0 [ 137.045781][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 137.045781][ C0] net_rx_action+0x726/0x14a0 [ 137.045781][ C0] ? net_tx_action+0xd30/0xd30 [ 137.045781][ C0] __do_softirq+0x1b9/0x715 [ 137.045781][ C0] ? idle_cpu+0x9a/0x1d0 [ 137.045781][ C0] ? __irq_exit_rcu+0x83/0x280 [ 137.161308][ C0] do_softirq+0x123/0x1c0 [ 137.165518][ C0] [ 137.167952][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 137.170380][ C0] local_bh_enable+0x36/0x40 [ 137.170380][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 137.170380][ C0] dev_queue_xmit+0x4b/0x60 [ 137.170380][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 137.170380][ C0] packet_sendmsg+0x86ee/0x99d0 [ 137.170380][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.170380][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.170380][ C0] ? process_slab+0x13a8/0x1b70 [ 137.170380][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.170380][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 137.170380][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.170380][ C0] ? packet_getsockopt+0x1120/0x1120 [ 137.170380][ C0] __sys_sendmsg+0x714/0x830 [ 137.170380][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.170380][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 137.170380][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 137.170380][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.170380][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.170380][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.170380][ C0] do_syscall_64+0x9f/0x140 [ 137.170380][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.170380][ C0] RIP: 0033:0x443e09 [ 137.170380][ 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 [ 137.170380][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.170380][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 137.170380][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 137.170380][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 137.170380][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 00007ffe7b6a4d60 [ 137.170380][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 0000000000000003 [ 137.170380][ C0] [ 137.170380][ C0] Uninit was stored to memory at: [ 137.170380][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 137.170380][ C0] __msan_chain_origin+0x54/0xa0 [ 137.170380][ C0] iptunnel_xmit+0xbd6/0xf20 [ 137.170380][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 137.170380][ C0] geneve_xmit+0x2139/0x3c40 [ 137.170380][ C0] xmit_one+0x2b6/0x760 [ 137.170380][ C0] __dev_queue_xmit+0x3432/0x4600 [ 137.170380][ C0] dev_queue_xmit+0x4b/0x60 [ 137.170380][ C0] packet_sendmsg+0x86ee/0x99d0 [ 137.170380][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.170380][ C0] __sys_sendmsg+0x714/0x830 [ 137.170380][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.170380][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.170380][ C0] do_syscall_64+0x9f/0x140 [ 137.170380][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.170380][ C0] [ 137.170380][ C0] Uninit was created at: [ 137.170380][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 137.170380][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 137.170380][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 137.170380][ C0] __alloc_skb+0x4dd/0xe90 [ 137.170380][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 137.170380][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 137.170380][ C0] packet_sendmsg+0x6a12/0x99d0 [ 137.170380][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.170380][ C0] __sys_sendmsg+0x714/0x830 [ 137.170380][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.170380][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.170380][ C0] do_syscall_64+0x9f/0x140 [ 137.170380][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.170380][ C0] ===================================================== [ 137.514615][ C0] ===================================================== [ 137.521579][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 137.524571][ C0] CPU: 0 PID: 8428 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.524571][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.524571][ C0] Call Trace: [ 137.524571][ C0] [ 137.524571][ C0] dump_stack+0x24c/0x2e0 [ 137.524571][ C0] kmsan_report+0xfb/0x1e0 [ 137.524571][ C0] __msan_warning+0x5c/0xa0 [ 137.524571][ C0] ip_rcv_core+0x1068/0x1480 [ 137.524571][ C0] ip_rcv+0xc7/0x820 [ 137.524571][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.524571][ C0] __netif_receive_skb+0x1ec/0x640 [ 137.524571][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.524571][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 137.524571][ C0] process_backlog+0x517/0xbd0 [ 137.524571][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 137.524571][ C0] __napi_poll+0x13e/0xca0 [ 137.524571][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 137.524571][ C0] net_rx_action+0x726/0x14a0 [ 137.524571][ C0] ? net_tx_action+0xd30/0xd30 [ 137.524571][ C0] __do_softirq+0x1b9/0x715 [ 137.524571][ C0] ? idle_cpu+0x9a/0x1d0 [ 137.524571][ C0] ? __irq_exit_rcu+0x83/0x280 [ 137.524571][ C0] do_softirq+0x123/0x1c0 [ 137.524571][ C0] [ 137.524571][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 137.524571][ C0] local_bh_enable+0x36/0x40 [ 137.524571][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 137.524571][ C0] dev_queue_xmit+0x4b/0x60 [ 137.524571][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 137.524571][ C0] packet_sendmsg+0x86ee/0x99d0 [ 137.524571][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.524571][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.524571][ C0] ? process_slab+0x13a8/0x1b70 [ 137.524571][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.524571][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 137.524571][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.524571][ C0] ? packet_getsockopt+0x1120/0x1120 [ 137.524571][ C0] __sys_sendmsg+0x714/0x830 [ 137.524571][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.524571][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 137.524571][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 137.524571][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.524571][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.524571][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.524571][ C0] do_syscall_64+0x9f/0x140 [ 137.524571][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.524571][ C0] RIP: 0033:0x443e09 [ 137.524571][ 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 [ 137.524571][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.524571][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 137.524571][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 137.524571][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 137.524571][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 00007ffe7b6a4d60 [ 137.524571][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 0000000000000003 [ 137.524571][ C0] [ 137.524571][ C0] Uninit was stored to memory at: [ 137.524571][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 137.524571][ C0] __msan_chain_origin+0x54/0xa0 [ 137.524571][ C0] __ip_local_out+0x479/0x840 [ 137.524571][ C0] ip_local_out+0xa1/0x1e0 [ 137.524571][ C0] iptunnel_xmit+0x931/0xf20 [ 137.524571][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 137.524571][ C0] geneve_xmit+0x2139/0x3c40 [ 137.524571][ C0] xmit_one+0x2b6/0x760 [ 137.524571][ C0] __dev_queue_xmit+0x3432/0x4600 [ 137.524571][ C0] dev_queue_xmit+0x4b/0x60 [ 137.524571][ C0] packet_sendmsg+0x86ee/0x99d0 [ 137.524571][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.524571][ C0] __sys_sendmsg+0x714/0x830 [ 137.524571][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.524571][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.524571][ C0] do_syscall_64+0x9f/0x140 [ 137.524571][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.524571][ C0] [ 137.524571][ C0] Uninit was stored to memory at: [ 137.524571][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 137.524571][ C0] __msan_chain_origin+0x54/0xa0 [ 137.524571][ C0] iptunnel_xmit+0xbd6/0xf20 [ 137.524571][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 137.524571][ C0] geneve_xmit+0x2139/0x3c40 [ 137.524571][ C0] xmit_one+0x2b6/0x760 [ 137.524571][ C0] __dev_queue_xmit+0x3432/0x4600 [ 137.524571][ C0] dev_queue_xmit+0x4b/0x60 [ 137.524571][ C0] packet_sendmsg+0x86ee/0x99d0 [ 137.524571][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.524571][ C0] __sys_sendmsg+0x714/0x830 [ 137.524571][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.524571][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.524571][ C0] do_syscall_64+0x9f/0x140 [ 137.524571][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.524571][ C0] [ 137.524571][ C0] Uninit was created at: [ 137.524571][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 137.524571][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 137.524571][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 137.524571][ C0] __alloc_skb+0x4dd/0xe90 [ 137.524571][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 137.524571][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 137.524571][ C0] packet_sendmsg+0x6a12/0x99d0 [ 137.524571][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 137.524571][ C0] __sys_sendmsg+0x714/0x830 [ 137.524571][ C0] __se_sys_sendmsg+0x97/0xb0 [ 137.524571][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 137.524571][ C0] do_syscall_64+0x9f/0x140 [ 137.524571][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.524571][ C0] ===================================================== executing program [ 138.187647][ C0] ===================================================== [ 138.193715][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 138.193715][ C0] CPU: 0 PID: 8429 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.193715][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.193715][ C0] Call Trace: [ 138.193715][ C0] [ 138.193715][ C0] dump_stack+0x24c/0x2e0 [ 138.193715][ C0] kmsan_report+0xfb/0x1e0 [ 138.193715][ C0] __msan_warning+0x5c/0xa0 [ 138.193715][ C0] ip_rcv_core+0xf4c/0x1480 [ 138.193715][ C0] ip_rcv+0xc7/0x820 [ 138.193715][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.193715][ C0] __netif_receive_skb+0x1ec/0x640 [ 138.193715][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.193715][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 138.193715][ C0] process_backlog+0x517/0xbd0 [ 138.193715][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 138.193715][ C0] __napi_poll+0x13e/0xca0 [ 138.193715][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.193715][ C0] net_rx_action+0x726/0x14a0 [ 138.193715][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.193715][ C0] ? net_tx_action+0xd30/0xd30 [ 138.193715][ C0] __do_softirq+0x1b9/0x715 [ 138.193715][ C0] ? idle_cpu+0x9a/0x1d0 [ 138.193715][ C0] ? __irq_exit_rcu+0x83/0x280 [ 138.193715][ C0] do_softirq+0x123/0x1c0 [ 138.193715][ C0] [ 138.193715][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 138.193715][ C0] local_bh_enable+0x36/0x40 [ 138.193715][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 138.193715][ C0] dev_queue_xmit+0x4b/0x60 [ 138.193715][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 138.193715][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.193715][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.193715][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.193715][ C0] ? process_slab+0x13a8/0x1b70 [ 138.193715][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.193715][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.193715][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.193715][ C0] ? packet_getsockopt+0x1120/0x1120 [ 138.193715][ C0] __sys_sendmsg+0x714/0x830 [ 138.193715][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 138.193715][ C0] ? up_read+0x40/0x2b0 [ 138.193715][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.193715][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.193715][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.193715][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.193715][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.193715][ C0] do_syscall_64+0x9f/0x140 [ 138.193715][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.193715][ C0] RIP: 0033:0x443e09 [ 138.193715][ 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 [ 138.193715][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.193715][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 138.193715][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 138.193715][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 138.193715][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002157b [ 138.193715][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 138.193715][ C0] [ 138.193715][ C0] Uninit was stored to memory at: [ 138.193715][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 138.193715][ C0] __msan_chain_origin+0x54/0xa0 [ 138.193715][ C0] iptunnel_xmit+0xbd6/0xf20 [ 138.193715][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 138.193715][ C0] geneve_xmit+0x2139/0x3c40 [ 138.193715][ C0] xmit_one+0x2b6/0x760 [ 138.193715][ C0] __dev_queue_xmit+0x3432/0x4600 [ 138.193715][ C0] dev_queue_xmit+0x4b/0x60 [ 138.193715][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.193715][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.193715][ C0] __sys_sendmsg+0x714/0x830 [ 138.193715][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.193715][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.193715][ C0] do_syscall_64+0x9f/0x140 [ 138.193715][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.193715][ C0] [ 138.193715][ C0] Uninit was created at: [ 138.193715][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 138.193715][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 138.193715][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 138.193715][ C0] __alloc_skb+0x4dd/0xe90 [ 138.193715][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 138.193715][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 138.193715][ C0] packet_sendmsg+0x6a12/0x99d0 [ 138.193715][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.193715][ C0] __sys_sendmsg+0x714/0x830 [ 138.193715][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.193715][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.193715][ C0] do_syscall_64+0x9f/0x140 [ 138.193715][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.193715][ C0] ===================================================== [ 138.677082][ C0] ===================================================== [ 138.684127][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 138.687043][ C0] CPU: 0 PID: 8429 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.687043][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.687043][ C0] Call Trace: [ 138.687043][ C0] [ 138.687043][ C0] dump_stack+0x24c/0x2e0 [ 138.687043][ C0] kmsan_report+0xfb/0x1e0 [ 138.687043][ C0] __msan_warning+0x5c/0xa0 [ 138.687043][ C0] ip_rcv_core+0xf5d/0x1480 [ 138.687043][ C0] ip_rcv+0xc7/0x820 [ 138.687043][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.687043][ C0] __netif_receive_skb+0x1ec/0x640 [ 138.687043][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.687043][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 138.687043][ C0] process_backlog+0x517/0xbd0 [ 138.687043][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 138.687043][ C0] __napi_poll+0x13e/0xca0 [ 138.687043][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.687043][ C0] net_rx_action+0x726/0x14a0 [ 138.687043][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.687043][ C0] ? net_tx_action+0xd30/0xd30 [ 138.687043][ C0] __do_softirq+0x1b9/0x715 [ 138.687043][ C0] ? idle_cpu+0x9a/0x1d0 [ 138.687043][ C0] ? __irq_exit_rcu+0x83/0x280 [ 138.687043][ C0] do_softirq+0x123/0x1c0 [ 138.687043][ C0] [ 138.687043][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 138.687043][ C0] local_bh_enable+0x36/0x40 [ 138.687043][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 138.687043][ C0] dev_queue_xmit+0x4b/0x60 [ 138.687043][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 138.687043][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.687043][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.687043][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.687043][ C0] ? process_slab+0x13a8/0x1b70 [ 138.687043][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.687043][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.687043][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.687043][ C0] ? packet_getsockopt+0x1120/0x1120 [ 138.687043][ C0] __sys_sendmsg+0x714/0x830 [ 138.687043][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 138.687043][ C0] ? up_read+0x40/0x2b0 [ 138.687043][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.687043][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.687043][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.687043][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.687043][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.687043][ C0] do_syscall_64+0x9f/0x140 [ 138.687043][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.687043][ C0] RIP: 0033:0x443e09 [ 138.687043][ 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 [ 138.687043][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.687043][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 138.687043][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 138.687043][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 138.687043][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002157b [ 138.687043][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 138.687043][ C0] [ 138.687043][ C0] Uninit was stored to memory at: [ 138.687043][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 138.687043][ C0] __msan_chain_origin+0x54/0xa0 [ 138.687043][ C0] iptunnel_xmit+0xbd6/0xf20 [ 138.687043][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 138.687043][ C0] geneve_xmit+0x2139/0x3c40 [ 138.687043][ C0] xmit_one+0x2b6/0x760 [ 138.687043][ C0] __dev_queue_xmit+0x3432/0x4600 [ 138.687043][ C0] dev_queue_xmit+0x4b/0x60 [ 138.687043][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.687043][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.687043][ C0] __sys_sendmsg+0x714/0x830 [ 138.687043][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.687043][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.687043][ C0] do_syscall_64+0x9f/0x140 [ 138.687043][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.687043][ C0] [ 138.687043][ C0] Uninit was created at: [ 138.687043][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 138.687043][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 138.687043][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 138.687043][ C0] __alloc_skb+0x4dd/0xe90 [ 138.687043][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 138.687043][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 138.687043][ C0] packet_sendmsg+0x6a12/0x99d0 [ 138.687043][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.687043][ C0] __sys_sendmsg+0x714/0x830 [ 138.687043][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.687043][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.687043][ C0] do_syscall_64+0x9f/0x140 [ 138.687043][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.687043][ C0] ===================================================== [ 139.167162][ C0] ===================================================== [ 139.174103][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 139.177027][ C0] CPU: 0 PID: 8429 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.177027][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.177027][ C0] Call Trace: [ 139.177027][ C0] [ 139.177027][ C0] dump_stack+0x24c/0x2e0 [ 139.177027][ C0] kmsan_report+0xfb/0x1e0 [ 139.177027][ C0] __msan_warning+0x5c/0xa0 [ 139.177027][ C0] ip_rcv_core+0x1068/0x1480 [ 139.177027][ C0] ip_rcv+0xc7/0x820 [ 139.177027][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.177027][ C0] __netif_receive_skb+0x1ec/0x640 [ 139.177027][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.177027][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 139.177027][ C0] process_backlog+0x517/0xbd0 [ 139.177027][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 139.177027][ C0] __napi_poll+0x13e/0xca0 [ 139.177027][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.177027][ C0] net_rx_action+0x726/0x14a0 [ 139.177027][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.177027][ C0] ? net_tx_action+0xd30/0xd30 [ 139.177027][ C0] __do_softirq+0x1b9/0x715 [ 139.177027][ C0] ? idle_cpu+0x9a/0x1d0 [ 139.177027][ C0] ? __irq_exit_rcu+0x83/0x280 [ 139.177027][ C0] do_softirq+0x123/0x1c0 [ 139.177027][ C0] [ 139.177027][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 139.177027][ C0] local_bh_enable+0x36/0x40 [ 139.177027][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 139.177027][ C0] dev_queue_xmit+0x4b/0x60 [ 139.177027][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 139.177027][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.177027][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.177027][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.177027][ C0] ? process_slab+0x13a8/0x1b70 [ 139.177027][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.177027][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.177027][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.177027][ C0] ? packet_getsockopt+0x1120/0x1120 [ 139.177027][ C0] __sys_sendmsg+0x714/0x830 [ 139.177027][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 139.177027][ C0] ? up_read+0x40/0x2b0 [ 139.177027][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.177027][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.177027][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.177027][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.177027][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.177027][ C0] do_syscall_64+0x9f/0x140 [ 139.177027][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.177027][ C0] RIP: 0033:0x443e09 [ 139.177027][ 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 [ 139.177027][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.177027][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 139.177027][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 139.177027][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 139.177027][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002157b [ 139.177027][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 139.177027][ C0] [ 139.177027][ C0] Uninit was stored to memory at: [ 139.177027][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 139.177027][ C0] __msan_chain_origin+0x54/0xa0 [ 139.177027][ C0] __ip_local_out+0x479/0x840 [ 139.177027][ C0] ip_local_out+0xa1/0x1e0 [ 139.177027][ C0] iptunnel_xmit+0x931/0xf20 [ 139.177027][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 139.177027][ C0] geneve_xmit+0x2139/0x3c40 [ 139.177027][ C0] xmit_one+0x2b6/0x760 [ 139.177027][ C0] __dev_queue_xmit+0x3432/0x4600 [ 139.177027][ C0] dev_queue_xmit+0x4b/0x60 [ 139.177027][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.177027][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.177027][ C0] __sys_sendmsg+0x714/0x830 [ 139.177027][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.177027][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.177027][ C0] do_syscall_64+0x9f/0x140 [ 139.177027][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.177027][ C0] [ 139.177027][ C0] Uninit was stored to memory at: [ 139.177027][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 139.177027][ C0] __msan_chain_origin+0x54/0xa0 [ 139.177027][ C0] iptunnel_xmit+0xbd6/0xf20 [ 139.177027][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 139.177027][ C0] geneve_xmit+0x2139/0x3c40 [ 139.177027][ C0] xmit_one+0x2b6/0x760 [ 139.177027][ C0] __dev_queue_xmit+0x3432/0x4600 [ 139.177027][ C0] dev_queue_xmit+0x4b/0x60 [ 139.177027][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.177027][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.177027][ C0] __sys_sendmsg+0x714/0x830 [ 139.177027][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.177027][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.177027][ C0] do_syscall_64+0x9f/0x140 [ 139.177027][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.177027][ C0] [ 139.177027][ C0] Uninit was created at: [ 139.177027][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 139.177027][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 139.177027][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 139.177027][ C0] __alloc_skb+0x4dd/0xe90 [ 139.177027][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 139.177027][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 139.177027][ C0] packet_sendmsg+0x6a12/0x99d0 [ 139.177027][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.177027][ C0] __sys_sendmsg+0x714/0x830 [ 139.177027][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.177027][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.177027][ C0] do_syscall_64+0x9f/0x140 [ 139.177027][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.177027][ C0] ===================================================== executing program [ 139.820419][ C1] ===================================================== [ 139.822546][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 139.822546][ C1] CPU: 1 PID: 8430 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.844246][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.844246][ C1] Call Trace: [ 139.844246][ C1] [ 139.844246][ C1] dump_stack+0x24c/0x2e0 [ 139.844246][ C1] kmsan_report+0xfb/0x1e0 [ 139.844246][ C1] __msan_warning+0x5c/0xa0 [ 139.844246][ C1] ip_rcv_core+0xf4c/0x1480 [ 139.844246][ C1] ip_rcv+0xc7/0x820 [ 139.844246][ C1] ? kmsan_get_metadata+0x116/0x180 [ 139.844246][ C1] __netif_receive_skb+0x1ec/0x640 [ 139.844246][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.844246][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 139.844246][ C1] process_backlog+0x517/0xbd0 [ 139.844246][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 139.844246][ C1] __napi_poll+0x13e/0xca0 [ 139.844246][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.844246][ C1] net_rx_action+0x726/0x14a0 [ 139.844246][ C1] ? net_tx_action+0xd30/0xd30 [ 139.844246][ C1] __do_softirq+0x1b9/0x715 [ 139.844246][ C1] ? idle_cpu+0x9a/0x1d0 [ 139.844246][ C1] ? __irq_exit_rcu+0x83/0x280 [ 139.844246][ C1] do_softirq+0x123/0x1c0 [ 139.844246][ C1] [ 139.844246][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 139.844246][ C1] local_bh_enable+0x36/0x40 [ 139.844246][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 139.844246][ C1] dev_queue_xmit+0x4b/0x60 [ 139.844246][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 139.844246][ C1] packet_sendmsg+0x86ee/0x99d0 [ 139.844246][ C1] ? kmsan_get_metadata+0x116/0x180 [ 139.844246][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.844246][ C1] ? process_slab+0x13a8/0x1b70 [ 139.844246][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.844246][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.844246][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 139.844246][ C1] ? packet_getsockopt+0x1120/0x1120 [ 139.844246][ C1] __sys_sendmsg+0x714/0x830 [ 139.844246][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.844246][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 139.844246][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 139.844246][ C1] ? kmsan_get_metadata+0x116/0x180 [ 139.844246][ C1] __se_sys_sendmsg+0x97/0xb0 [ 139.844246][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 139.844246][ C1] do_syscall_64+0x9f/0x140 [ 139.844246][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.844246][ C1] RIP: 0033:0x443e09 [ 139.844246][ 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 [ 139.844246][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.844246][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 139.844246][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 139.844246][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 139.844246][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000021c01 [ 139.844246][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 139.844246][ C1] [ 139.844246][ C1] Uninit was stored to memory at: [ 139.844246][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 139.844246][ C1] __msan_chain_origin+0x54/0xa0 [ 139.844246][ C1] iptunnel_xmit+0xbd6/0xf20 [ 139.844246][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 139.844246][ C1] geneve_xmit+0x2139/0x3c40 [ 139.844246][ C1] xmit_one+0x2b6/0x760 [ 139.844246][ C1] __dev_queue_xmit+0x3432/0x4600 [ 139.844246][ C1] dev_queue_xmit+0x4b/0x60 [ 139.844246][ C1] packet_sendmsg+0x86ee/0x99d0 [ 139.844246][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 139.844246][ C1] __sys_sendmsg+0x714/0x830 [ 139.844246][ C1] __se_sys_sendmsg+0x97/0xb0 [ 139.844246][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 139.844246][ C1] do_syscall_64+0x9f/0x140 [ 139.844246][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.844246][ C1] [ 139.844246][ C1] Uninit was created at: [ 139.844246][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 139.844246][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 139.844246][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 139.844246][ C1] __alloc_skb+0x4dd/0xe90 [ 139.844246][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 139.844246][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 139.844246][ C1] packet_sendmsg+0x6a12/0x99d0 [ 139.844246][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 139.844246][ C1] __sys_sendmsg+0x714/0x830 [ 139.844246][ C1] __se_sys_sendmsg+0x97/0xb0 [ 139.844246][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 139.844246][ C1] do_syscall_64+0x9f/0x140 [ 139.844246][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.844246][ C1] ===================================================== [ 140.301180][ C1] ===================================================== [ 140.308155][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 140.311122][ C1] CPU: 1 PID: 8430 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.311122][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.311122][ C1] Call Trace: [ 140.311122][ C1] [ 140.311122][ C1] dump_stack+0x24c/0x2e0 [ 140.311122][ C1] kmsan_report+0xfb/0x1e0 [ 140.311122][ C1] __msan_warning+0x5c/0xa0 [ 140.311122][ C1] ip_rcv_core+0xf5d/0x1480 [ 140.311122][ C1] ip_rcv+0xc7/0x820 [ 140.311122][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.311122][ C1] __netif_receive_skb+0x1ec/0x640 [ 140.311122][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.311122][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 140.311122][ C1] process_backlog+0x517/0xbd0 [ 140.311122][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.391433][ C1] __napi_poll+0x13e/0xca0 [ 140.391433][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.391433][ C1] net_rx_action+0x726/0x14a0 [ 140.391433][ C1] ? net_tx_action+0xd30/0xd30 [ 140.391433][ C1] __do_softirq+0x1b9/0x715 [ 140.391433][ C1] ? idle_cpu+0x9a/0x1d0 [ 140.391433][ C1] ? __irq_exit_rcu+0x83/0x280 [ 140.391433][ C1] do_softirq+0x123/0x1c0 [ 140.391433][ C1] [ 140.391433][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 140.391433][ C1] local_bh_enable+0x36/0x40 [ 140.391433][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 140.391433][ C1] dev_queue_xmit+0x4b/0x60 [ 140.391433][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.391433][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.391433][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.391433][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.391433][ C1] ? process_slab+0x13a8/0x1b70 [ 140.391433][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.391433][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.391433][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.391433][ C1] ? packet_getsockopt+0x1120/0x1120 [ 140.391433][ C1] __sys_sendmsg+0x714/0x830 [ 140.391433][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.391433][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 140.391433][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 140.391433][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.391433][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.391433][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.391433][ C1] do_syscall_64+0x9f/0x140 [ 140.391433][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.391433][ C1] RIP: 0033:0x443e09 [ 140.391433][ 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 [ 140.391433][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.391433][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 140.391433][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 140.391433][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 140.391433][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000021c01 [ 140.391433][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 140.391433][ C1] [ 140.391433][ C1] Uninit was stored to memory at: [ 140.391433][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 140.391433][ C1] __msan_chain_origin+0x54/0xa0 [ 140.391433][ C1] iptunnel_xmit+0xbd6/0xf20 [ 140.391433][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 140.391433][ C1] geneve_xmit+0x2139/0x3c40 [ 140.391433][ C1] xmit_one+0x2b6/0x760 [ 140.391433][ C1] __dev_queue_xmit+0x3432/0x4600 [ 140.391433][ C1] dev_queue_xmit+0x4b/0x60 [ 140.391433][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.391433][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.391433][ C1] __sys_sendmsg+0x714/0x830 [ 140.391433][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.391433][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.391433][ C1] do_syscall_64+0x9f/0x140 [ 140.391433][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.391433][ C1] [ 140.391433][ C1] Uninit was created at: [ 140.391433][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 140.391433][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 140.391433][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 140.391433][ C1] __alloc_skb+0x4dd/0xe90 [ 140.391433][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 140.391433][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 140.739748][ C1] packet_sendmsg+0x6a12/0x99d0 [ 140.744517][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.749297][ C1] __sys_sendmsg+0x714/0x830 [ 140.754172][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.758942][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.763825][ C1] do_syscall_64+0x9f/0x140 [ 140.768605][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.774596][ C1] ===================================================== [ 140.781984][ C1] ===================================================== [ 140.788966][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 140.791936][ C1] CPU: 1 PID: 8430 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.802632][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.802632][ C1] Call Trace: [ 140.802632][ C1] [ 140.802632][ C1] dump_stack+0x24c/0x2e0 [ 140.802632][ C1] kmsan_report+0xfb/0x1e0 [ 140.802632][ C1] __msan_warning+0x5c/0xa0 [ 140.802632][ C1] ip_rcv_core+0x1068/0x1480 [ 140.802632][ C1] ip_rcv+0xc7/0x820 [ 140.802632][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.802632][ C1] __netif_receive_skb+0x1ec/0x640 [ 140.802632][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.802632][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 140.802632][ C1] process_backlog+0x517/0xbd0 [ 140.870921][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.875696][ C1] __napi_poll+0x13e/0xca0 [ 140.880457][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.886382][ C1] net_rx_action+0x726/0x14a0 [ 140.891169][ C1] ? net_tx_action+0xd30/0xd30 [ 140.895900][ C1] __do_softirq+0x1b9/0x715 [ 140.900623][ C1] ? idle_cpu+0x9a/0x1d0 [ 140.904171][ C1] ? __irq_exit_rcu+0x83/0x280 [ 140.908917][ C1] do_softirq+0x123/0x1c0 [ 140.913670][ C1] [ 140.916051][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 140.921946][ C1] local_bh_enable+0x36/0x40 [ 140.925524][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 140.931459][ C1] dev_queue_xmit+0x4b/0x60 [ 140.935187][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.941152][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.945918][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.950747][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.956779][ C1] ? process_slab+0x13a8/0x1b70 [ 140.961543][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.967600][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.973592][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.978367][ C1] ? packet_getsockopt+0x1120/0x1120 [ 140.984311][ C1] __sys_sendmsg+0x714/0x830 [ 140.987887][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.994019][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 140.999962][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 141.006071][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.010841][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.015592][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.020391][ C1] do_syscall_64+0x9f/0x140 [ 141.025302][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.031262][ C1] RIP: 0033:0x443e09 [ 141.034815][ 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 [ 141.055378][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.063887][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 141.071180][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 141.079484][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.088122][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000021c01 [ 141.095292][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 141.103648][ C1] [ 141.106025][ C1] Uninit was stored to memory at: [ 141.110786][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 141.116735][ C1] __msan_chain_origin+0x54/0xa0 [ 141.121476][ C1] __ip_local_out+0x479/0x840 [ 141.126316][ C1] ip_local_out+0xa1/0x1e0 [ 141.131078][ C1] iptunnel_xmit+0x931/0xf20 [ 141.135870][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 141.140628][ C1] geneve_xmit+0x2139/0x3c40 [ 141.145408][ C1] xmit_one+0x2b6/0x760 [ 141.150157][ C1] __dev_queue_xmit+0x3432/0x4600 [ 141.155125][ C1] dev_queue_xmit+0x4b/0x60 [ 141.158662][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.164605][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.169425][ C1] __sys_sendmsg+0x714/0x830 [ 141.172988][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.177758][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.183031][ C1] do_syscall_64+0x9f/0x140 [ 141.187829][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.193945][ C1] [ 141.196305][ C1] Uninit was stored to memory at: [ 141.201018][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 141.206963][ C1] __msan_chain_origin+0x54/0xa0 [ 141.211722][ C1] iptunnel_xmit+0xbd6/0xf20 [ 141.211722][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 141.221260][ C1] geneve_xmit+0x2139/0x3c40 [ 141.226043][ C1] xmit_one+0x2b6/0x760 [ 141.229609][ C1] __dev_queue_xmit+0x3432/0x4600 [ 141.235595][ C1] dev_queue_xmit+0x4b/0x60 [ 141.239167][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.245117][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.249854][ C1] __sys_sendmsg+0x714/0x830 [ 141.253407][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.258167][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.262920][ C1] do_syscall_64+0x9f/0x140 [ 141.267661][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.273612][ C1] [ 141.275981][ C1] Uninit was created at: [ 141.280725][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.286673][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 141.291418][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.296309][ C1] __alloc_skb+0x4dd/0xe90 [ 141.301055][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 141.305830][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.311817][ C1] packet_sendmsg+0x6a12/0x99d0 [ 141.316580][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.321352][ C1] __sys_sendmsg+0x714/0x830 executing program [ 141.326234][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.330982][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.335745][ C1] do_syscall_64+0x9f/0x140 [ 141.339302][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.345260][ C1] ===================================================== [ 141.387038][ C0] ===================================================== [ 141.392517][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 141.392517][ C0] CPU: 0 PID: 8431 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.392517][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.392517][ C0] Call Trace: [ 141.392517][ C0] [ 141.392517][ C0] dump_stack+0x24c/0x2e0 [ 141.392517][ C0] kmsan_report+0xfb/0x1e0 [ 141.392517][ C0] __msan_warning+0x5c/0xa0 [ 141.392517][ C0] ip_rcv_core+0xf4c/0x1480 [ 141.392517][ C0] ip_rcv+0xc7/0x820 [ 141.392517][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.392517][ C0] __netif_receive_skb+0x1ec/0x640 [ 141.392517][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.392517][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 141.392517][ C0] process_backlog+0x517/0xbd0 [ 141.392517][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 141.392517][ C0] __napi_poll+0x13e/0xca0 [ 141.392517][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.392517][ C0] net_rx_action+0x726/0x14a0 [ 141.392517][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.392517][ C0] ? net_tx_action+0xd30/0xd30 [ 141.392517][ C0] __do_softirq+0x1b9/0x715 [ 141.392517][ C0] ? idle_cpu+0x9a/0x1d0 [ 141.392517][ C0] ? __irq_exit_rcu+0x83/0x280 [ 141.392517][ C0] do_softirq+0x123/0x1c0 [ 141.392517][ C0] [ 141.392517][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 141.392517][ C0] local_bh_enable+0x36/0x40 [ 141.392517][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 141.392517][ C0] dev_queue_xmit+0x4b/0x60 [ 141.392517][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.392517][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.392517][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.392517][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.392517][ C0] ? process_slab+0x13a8/0x1b70 [ 141.392517][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.392517][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.392517][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.392517][ C0] ? packet_getsockopt+0x1120/0x1120 [ 141.392517][ C0] __sys_sendmsg+0x714/0x830 [ 141.392517][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 141.392517][ C0] ? up_read+0x40/0x2b0 [ 141.392517][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.392517][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.392517][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.392517][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.392517][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.392517][ C0] do_syscall_64+0x9f/0x140 [ 141.392517][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.392517][ C0] RIP: 0033:0x443e09 [ 141.392517][ 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 [ 141.392517][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.392517][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 141.392517][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 141.392517][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.392517][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002225e [ 141.392517][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 141.392517][ C0] [ 141.392517][ C0] Uninit was stored to memory at: [ 141.392517][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.392517][ C0] __msan_chain_origin+0x54/0xa0 [ 141.392517][ C0] iptunnel_xmit+0xbd6/0xf20 [ 141.392517][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.392517][ C0] geneve_xmit+0x2139/0x3c40 [ 141.392517][ C0] xmit_one+0x2b6/0x760 [ 141.392517][ C0] __dev_queue_xmit+0x3432/0x4600 [ 141.392517][ C0] dev_queue_xmit+0x4b/0x60 [ 141.392517][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.392517][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.392517][ C0] __sys_sendmsg+0x714/0x830 [ 141.392517][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.392517][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.392517][ C0] do_syscall_64+0x9f/0x140 [ 141.392517][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.392517][ C0] [ 141.392517][ C0] Uninit was created at: [ 141.392517][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.392517][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 141.392517][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.392517][ C0] __alloc_skb+0x4dd/0xe90 [ 141.392517][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 141.392517][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.392517][ C0] packet_sendmsg+0x6a12/0x99d0 [ 141.392517][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.392517][ C0] __sys_sendmsg+0x714/0x830 [ 141.392517][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.392517][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.392517][ C0] do_syscall_64+0x9f/0x140 [ 141.392517][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.392517][ C0] ===================================================== [ 141.876964][ C0] ===================================================== [ 141.883890][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 141.886908][ C0] CPU: 0 PID: 8431 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.886908][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.886908][ C0] Call Trace: [ 141.886908][ C0] [ 141.886908][ C0] dump_stack+0x24c/0x2e0 [ 141.886908][ C0] kmsan_report+0xfb/0x1e0 [ 141.886908][ C0] __msan_warning+0x5c/0xa0 [ 141.886908][ C0] ip_rcv_core+0xf5d/0x1480 [ 141.886908][ C0] ip_rcv+0xc7/0x820 [ 141.886908][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.886908][ C0] __netif_receive_skb+0x1ec/0x640 [ 141.886908][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.886908][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 141.886908][ C0] process_backlog+0x517/0xbd0 [ 141.886908][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 141.886908][ C0] __napi_poll+0x13e/0xca0 [ 141.886908][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.886908][ C0] net_rx_action+0x726/0x14a0 [ 141.886908][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.886908][ C0] ? net_tx_action+0xd30/0xd30 [ 141.886908][ C0] __do_softirq+0x1b9/0x715 [ 141.886908][ C0] ? idle_cpu+0x9a/0x1d0 [ 141.886908][ C0] ? __irq_exit_rcu+0x83/0x280 [ 141.886908][ C0] do_softirq+0x123/0x1c0 [ 141.886908][ C0] [ 141.886908][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 141.886908][ C0] local_bh_enable+0x36/0x40 [ 141.886908][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 141.886908][ C0] dev_queue_xmit+0x4b/0x60 [ 141.886908][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.886908][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.886908][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.886908][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.886908][ C0] ? process_slab+0x13a8/0x1b70 [ 141.886908][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.886908][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.886908][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.886908][ C0] ? packet_getsockopt+0x1120/0x1120 [ 141.886908][ C0] __sys_sendmsg+0x714/0x830 [ 141.886908][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 141.886908][ C0] ? up_read+0x40/0x2b0 [ 141.886908][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.886908][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.886908][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.886908][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.886908][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.886908][ C0] do_syscall_64+0x9f/0x140 [ 141.886908][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.886908][ C0] RIP: 0033:0x443e09 [ 141.886908][ 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 [ 141.886908][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.886908][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 141.886908][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 141.886908][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.886908][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002225e [ 141.886908][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 141.886908][ C0] [ 141.886908][ C0] Uninit was stored to memory at: [ 141.886908][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.886908][ C0] __msan_chain_origin+0x54/0xa0 [ 141.886908][ C0] iptunnel_xmit+0xbd6/0xf20 [ 141.886908][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.886908][ C0] geneve_xmit+0x2139/0x3c40 [ 141.886908][ C0] xmit_one+0x2b6/0x760 [ 141.886908][ C0] __dev_queue_xmit+0x3432/0x4600 [ 141.886908][ C0] dev_queue_xmit+0x4b/0x60 [ 141.886908][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.886908][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.886908][ C0] __sys_sendmsg+0x714/0x830 [ 141.886908][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.886908][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.886908][ C0] do_syscall_64+0x9f/0x140 [ 141.886908][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.886908][ C0] [ 141.886908][ C0] Uninit was created at: [ 141.886908][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.886908][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 141.886908][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.886908][ C0] __alloc_skb+0x4dd/0xe90 [ 141.886908][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 141.886908][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.886908][ C0] packet_sendmsg+0x6a12/0x99d0 [ 141.886908][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.886908][ C0] __sys_sendmsg+0x714/0x830 [ 141.886908][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.886908][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.886908][ C0] do_syscall_64+0x9f/0x140 [ 141.886908][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.886908][ C0] ===================================================== [ 142.366847][ C0] ===================================================== [ 142.373795][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 142.376661][ C0] CPU: 0 PID: 8431 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.376661][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.376661][ C0] Call Trace: [ 142.376661][ C0] [ 142.376661][ C0] dump_stack+0x24c/0x2e0 [ 142.376661][ C0] kmsan_report+0xfb/0x1e0 [ 142.376661][ C0] __msan_warning+0x5c/0xa0 [ 142.376661][ C0] ip_rcv_core+0x1068/0x1480 [ 142.376661][ C0] ip_rcv+0xc7/0x820 [ 142.376661][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.376661][ C0] __netif_receive_skb+0x1ec/0x640 [ 142.376661][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.376661][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 142.376661][ C0] process_backlog+0x517/0xbd0 [ 142.376661][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 142.376661][ C0] __napi_poll+0x13e/0xca0 [ 142.376661][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.376661][ C0] net_rx_action+0x726/0x14a0 [ 142.376661][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.376661][ C0] ? net_tx_action+0xd30/0xd30 [ 142.376661][ C0] __do_softirq+0x1b9/0x715 [ 142.376661][ C0] ? idle_cpu+0x9a/0x1d0 [ 142.376661][ C0] ? __irq_exit_rcu+0x83/0x280 [ 142.376661][ C0] do_softirq+0x123/0x1c0 [ 142.376661][ C0] [ 142.376661][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 142.376661][ C0] local_bh_enable+0x36/0x40 [ 142.376661][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 142.376661][ C0] dev_queue_xmit+0x4b/0x60 [ 142.376661][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.376661][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.376661][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.376661][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.376661][ C0] ? process_slab+0x13a8/0x1b70 [ 142.376661][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.376661][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.376661][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.376661][ C0] ? packet_getsockopt+0x1120/0x1120 [ 142.376661][ C0] __sys_sendmsg+0x714/0x830 [ 142.376661][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 142.376661][ C0] ? up_read+0x40/0x2b0 [ 142.376661][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.376661][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.376661][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.376661][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.376661][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.376661][ C0] do_syscall_64+0x9f/0x140 [ 142.376661][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.376661][ C0] RIP: 0033:0x443e09 [ 142.376661][ 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 [ 142.376661][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.376661][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 142.376661][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 142.376661][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.376661][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 000000000002225e [ 142.376661][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 142.376661][ C0] [ 142.376661][ C0] Uninit was stored to memory at: [ 142.376661][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.376661][ C0] __msan_chain_origin+0x54/0xa0 [ 142.376661][ C0] __ip_local_out+0x479/0x840 [ 142.376661][ C0] ip_local_out+0xa1/0x1e0 [ 142.376661][ C0] iptunnel_xmit+0x931/0xf20 [ 142.376661][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.376661][ C0] geneve_xmit+0x2139/0x3c40 [ 142.376661][ C0] xmit_one+0x2b6/0x760 [ 142.376661][ C0] __dev_queue_xmit+0x3432/0x4600 [ 142.376661][ C0] dev_queue_xmit+0x4b/0x60 [ 142.376661][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.376661][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.376661][ C0] __sys_sendmsg+0x714/0x830 [ 142.376661][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.376661][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.376661][ C0] do_syscall_64+0x9f/0x140 [ 142.376661][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.376661][ C0] [ 142.376661][ C0] Uninit was stored to memory at: [ 142.376661][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.376661][ C0] __msan_chain_origin+0x54/0xa0 [ 142.376661][ C0] iptunnel_xmit+0xbd6/0xf20 [ 142.376661][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.376661][ C0] geneve_xmit+0x2139/0x3c40 [ 142.376661][ C0] xmit_one+0x2b6/0x760 [ 142.376661][ C0] __dev_queue_xmit+0x3432/0x4600 [ 142.376661][ C0] dev_queue_xmit+0x4b/0x60 [ 142.376661][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.376661][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.376661][ C0] __sys_sendmsg+0x714/0x830 [ 142.376661][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.376661][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.376661][ C0] do_syscall_64+0x9f/0x140 [ 142.376661][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.376661][ C0] [ 142.376661][ C0] Uninit was created at: [ 142.376661][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.376661][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 142.376661][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 142.376661][ C0] __alloc_skb+0x4dd/0xe90 [ 142.376661][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 142.376661][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.376661][ C0] packet_sendmsg+0x6a12/0x99d0 [ 142.376661][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.376661][ C0] __sys_sendmsg+0x714/0x830 [ 142.376661][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.376661][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.376661][ C0] do_syscall_64+0x9f/0x140 [ 142.376661][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 142.376661][ C0] ===================================================== [ 142.980470][ C1] ===================================================== [ 142.982523][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 142.982523][ C1] CPU: 1 PID: 8432 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.982523][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.982523][ C1] Call Trace: [ 142.982523][ C1] [ 142.982523][ C1] dump_stack+0x24c/0x2e0 [ 142.982523][ C1] kmsan_report+0xfb/0x1e0 [ 142.982523][ C1] __msan_warning+0x5c/0xa0 [ 143.032703][ C1] ip_rcv_core+0xf4c/0x1480 [ 143.032703][ C1] ip_rcv+0xc7/0x820 [ 143.032703][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.032703][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.052754][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.052754][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.062672][ C1] process_backlog+0x517/0xbd0 [ 143.062672][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.062672][ C1] __napi_poll+0x13e/0xca0 [ 143.062672][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.062672][ C1] net_rx_action+0x726/0x14a0 [ 143.062672][ C1] ? net_tx_action+0xd30/0xd30 [ 143.062672][ C1] __do_softirq+0x1b9/0x715 [ 143.062672][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.062672][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.062672][ C1] do_softirq+0x123/0x1c0 [ 143.062672][ C1] [ 143.062672][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.062672][ C1] local_bh_enable+0x36/0x40 [ 143.062672][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.062672][ C1] dev_queue_xmit+0x4b/0x60 [ 143.062672][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.062672][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.062672][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.062672][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.062672][ C1] ? process_slab+0x13a8/0x1b70 [ 143.062672][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.062672][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.062672][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.062672][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.062672][ C1] __sys_sendmsg+0x714/0x830 [ 143.062672][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.062672][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.062672][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.062672][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.062672][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.062672][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.062672][ C1] do_syscall_64+0x9f/0x140 [ 143.062672][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.062672][ C1] RIP: 0033:0x443e09 [ 143.062672][ 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 [ 143.062672][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.062672][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 143.062672][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 143.062672][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.062672][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022879 [ 143.062672][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 143.062672][ C1] [ 143.062672][ C1] Uninit was stored to memory at: [ 143.062672][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.062672][ C1] __msan_chain_origin+0x54/0xa0 [ 143.062672][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.062672][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.062672][ C1] geneve_xmit+0x2139/0x3c40 [ 143.062672][ C1] xmit_one+0x2b6/0x760 [ 143.062672][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.062672][ C1] dev_queue_xmit+0x4b/0x60 [ 143.062672][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.062672][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.062672][ C1] __sys_sendmsg+0x714/0x830 [ 143.062672][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.062672][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.062672][ C1] do_syscall_64+0x9f/0x140 [ 143.062672][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.062672][ C1] [ 143.062672][ C1] Uninit was created at: [ 143.062672][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.062672][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 143.062672][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.062672][ C1] __alloc_skb+0x4dd/0xe90 [ 143.062672][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.062672][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.062672][ C1] packet_sendmsg+0x6a12/0x99d0 [ 143.062672][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.062672][ C1] __sys_sendmsg+0x714/0x830 [ 143.062672][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.062672][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.062672][ C1] do_syscall_64+0x9f/0x140 [ 143.062672][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.062672][ C1] ===================================================== [ 143.462355][ C1] ===================================================== [ 143.469303][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 143.472312][ C1] CPU: 1 PID: 8432 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.472312][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.495601][ C1] Call Trace: [ 143.497428][ C1] [ 143.497428][ C1] dump_stack+0x24c/0x2e0 [ 143.497428][ C1] kmsan_report+0xfb/0x1e0 [ 143.497428][ C1] __msan_warning+0x5c/0xa0 [ 143.497428][ C1] ip_rcv_core+0xf5d/0x1480 [ 143.497428][ C1] ip_rcv+0xc7/0x820 [ 143.497428][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.497428][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.497428][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.497428][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.497428][ C1] process_backlog+0x517/0xbd0 [ 143.497428][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.497428][ C1] __napi_poll+0x13e/0xca0 [ 143.497428][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.497428][ C1] net_rx_action+0x726/0x14a0 [ 143.497428][ C1] ? net_tx_action+0xd30/0xd30 [ 143.497428][ C1] __do_softirq+0x1b9/0x715 [ 143.497428][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.497428][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.497428][ C1] do_softirq+0x123/0x1c0 [ 143.497428][ C1] [ 143.497428][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.497428][ C1] local_bh_enable+0x36/0x40 [ 143.497428][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.497428][ C1] dev_queue_xmit+0x4b/0x60 [ 143.497428][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.497428][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.497428][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.497428][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.497428][ C1] ? process_slab+0x13a8/0x1b70 [ 143.497428][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.497428][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.497428][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.497428][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.497428][ C1] __sys_sendmsg+0x714/0x830 [ 143.497428][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.497428][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.497428][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.497428][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.497428][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.497428][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.497428][ C1] do_syscall_64+0x9f/0x140 [ 143.497428][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.497428][ C1] RIP: 0033:0x443e09 [ 143.497428][ 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 [ 143.497428][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.497428][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 143.497428][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 143.497428][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.497428][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022879 [ 143.774405][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 143.782810][ C1] [ 143.785195][ C1] Uninit was stored to memory at: [ 143.789956][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.795891][ C1] __msan_chain_origin+0x54/0xa0 [ 143.800666][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.805427][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.810169][ C1] geneve_xmit+0x2139/0x3c40 [ 143.814452][ C1] xmit_one+0x2b6/0x760 [ 143.819209][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.823985][ C1] dev_queue_xmit+0x4b/0x60 [ 143.828749][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.833508][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.838244][ C1] __sys_sendmsg+0x714/0x830 [ 143.842998][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.847765][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.851345][ C1] do_syscall_64+0x9f/0x140 [ 143.856651][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.862765][ C1] [ 143.865138][ C1] Uninit was created at: [ 143.868734][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.874745][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 143.879484][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.885446][ C1] __alloc_skb+0x4dd/0xe90 [ 143.890203][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.894431][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.900393][ C1] packet_sendmsg+0x6a12/0x99d0 [ 143.905155][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.909886][ C1] __sys_sendmsg+0x714/0x830 [ 143.914601][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.919360][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.924149][ C1] do_syscall_64+0x9f/0x140 [ 143.927705][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.934509][ C1] ===================================================== [ 143.941809][ C1] ===================================================== [ 143.948765][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 143.951763][ C1] CPU: 1 PID: 8432 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.962592][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.962592][ C1] Call Trace: [ 143.962592][ C1] [ 143.962592][ C1] dump_stack+0x24c/0x2e0 [ 143.962592][ C1] kmsan_report+0xfb/0x1e0 [ 143.962592][ C1] __msan_warning+0x5c/0xa0 [ 143.992703][ C1] ip_rcv_core+0x1068/0x1480 [ 143.992703][ C1] ip_rcv+0xc7/0x820 [ 143.992703][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.992703][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.992703][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.992703][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.022618][ C1] process_backlog+0x517/0xbd0 [ 144.022618][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.022618][ C1] __napi_poll+0x13e/0xca0 [ 144.022618][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.046053][ C1] net_rx_action+0x726/0x14a0 [ 144.050822][ C1] ? net_tx_action+0xd30/0xd30 [ 144.054611][ C1] __do_softirq+0x1b9/0x715 [ 144.059408][ C1] ? idle_cpu+0x9a/0x1d0 [ 144.064157][ C1] ? __irq_exit_rcu+0x83/0x280 [ 144.068907][ C1] do_softirq+0x123/0x1c0 [ 144.073295][ C1] [ 144.076032][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 144.080798][ C1] local_bh_enable+0x36/0x40 [ 144.085544][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 144.090310][ C1] dev_queue_xmit+0x4b/0x60 [ 144.094526][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.100449][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.105203][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.109998][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.115944][ C1] ? process_slab+0x13a8/0x1b70 [ 144.120665][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.126615][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.133258][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.137998][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.142798][ C1] __sys_sendmsg+0x714/0x830 [ 144.147527][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.153457][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 144.159372][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 144.165344][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.170084][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.174825][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.179583][ C1] do_syscall_64+0x9f/0x140 [ 144.184306][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.190244][ C1] RIP: 0033:0x443e09 [ 144.194476][ 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 [ 144.213490][ C1] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.222607][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 144.230135][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 144.238395][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.246695][ C1] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022879 [ 144.254419][ C1] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 144.262635][ C1] [ 144.263979][ C1] Uninit was stored to memory at: [ 144.269907][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.274633][ C1] __msan_chain_origin+0x54/0xa0 [ 144.280516][ C1] __ip_local_out+0x479/0x840 [ 144.285273][ C1] ip_local_out+0xa1/0x1e0 [ 144.288822][ C1] iptunnel_xmit+0x931/0xf20 [ 144.293569][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.298303][ C1] geneve_xmit+0x2139/0x3c40 [ 144.303038][ C1] xmit_one+0x2b6/0x760 [ 144.307808][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.311349][ C1] dev_queue_xmit+0x4b/0x60 [ 144.316878][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.322594][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.326364][ C1] __sys_sendmsg+0x714/0x830 [ 144.331122][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.335864][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.340653][ C1] do_syscall_64+0x9f/0x140 [ 144.345424][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.351353][ C1] [ 144.353250][ C1] Uninit was stored to memory at: [ 144.359226][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.363966][ C1] __msan_chain_origin+0x54/0xa0 [ 144.369964][ C1] iptunnel_xmit+0xbd6/0xf20 [ 144.373527][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.379468][ C1] geneve_xmit+0x2139/0x3c40 [ 144.384194][ C1] xmit_one+0x2b6/0x760 [ 144.387769][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.393241][ C1] dev_queue_xmit+0x4b/0x60 [ 144.397245][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.402595][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.406779][ C1] __sys_sendmsg+0x714/0x830 [ 144.411536][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.416874][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.421593][ C1] do_syscall_64+0x9f/0x140 [ 144.425163][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.431793][ C1] [ 144.433519][ C1] Uninit was created at: [ 144.438249][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.444187][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 144.448986][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 144.454516][ C1] __alloc_skb+0x4dd/0xe90 [ 144.459266][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 144.464030][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.468777][ C1] packet_sendmsg+0x6a12/0x99d0 [ 144.473524][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.479441][ C1] __sys_sendmsg+0x714/0x830 [ 144.483022][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.487798][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.493557][ C1] do_syscall_64+0x9f/0x140 [ 144.497115][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.503040][ C1] ===================================================== executing program [ 144.631028][ C0] ===================================================== [ 144.637057][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 144.637057][ C0] CPU: 0 PID: 8433 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.637057][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.637057][ C0] Call Trace: [ 144.637057][ C0] [ 144.637057][ C0] dump_stack+0x24c/0x2e0 [ 144.637057][ C0] kmsan_report+0xfb/0x1e0 [ 144.637057][ C0] __msan_warning+0x5c/0xa0 [ 144.637057][ C0] ip_rcv_core+0xf4c/0x1480 [ 144.637057][ C0] ip_rcv+0xc7/0x820 [ 144.637057][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.637057][ C0] __netif_receive_skb+0x1ec/0x640 [ 144.637057][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.637057][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 144.637057][ C0] process_backlog+0x517/0xbd0 [ 144.637057][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.637057][ C0] __napi_poll+0x13e/0xca0 [ 144.637057][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.637057][ C0] net_rx_action+0x726/0x14a0 [ 144.637057][ C0] ? net_tx_action+0xd30/0xd30 [ 144.637057][ C0] __do_softirq+0x1b9/0x715 [ 144.637057][ C0] ? idle_cpu+0x9a/0x1d0 [ 144.637057][ C0] ? __irq_exit_rcu+0x83/0x280 [ 144.637057][ C0] do_softirq+0x123/0x1c0 [ 144.637057][ C0] [ 144.637057][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 144.637057][ C0] local_bh_enable+0x36/0x40 [ 144.637057][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 144.637057][ C0] dev_queue_xmit+0x4b/0x60 [ 144.637057][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.637057][ C0] packet_sendmsg+0x86ee/0x99d0 [ 144.637057][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.637057][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.637057][ C0] ? process_slab+0x13a8/0x1b70 [ 144.637057][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.637057][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.637057][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 144.637057][ C0] ? packet_getsockopt+0x1120/0x1120 [ 144.637057][ C0] __sys_sendmsg+0x714/0x830 [ 144.637057][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.637057][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 144.637057][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 144.637057][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.637057][ C0] __se_sys_sendmsg+0x97/0xb0 [ 144.637057][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 144.637057][ C0] do_syscall_64+0x9f/0x140 [ 144.637057][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.637057][ C0] RIP: 0033:0x443e09 [ 144.637057][ 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 [ 144.637057][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.637057][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 144.637057][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 144.637057][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.637057][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022eb5 [ 144.637057][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 144.637057][ C0] [ 144.637057][ C0] Uninit was stored to memory at: [ 144.637057][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 144.637057][ C0] __msan_chain_origin+0x54/0xa0 [ 144.637057][ C0] iptunnel_xmit+0xbd6/0xf20 [ 144.637057][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 144.637057][ C0] geneve_xmit+0x2139/0x3c40 [ 144.637057][ C0] xmit_one+0x2b6/0x760 [ 144.637057][ C0] __dev_queue_xmit+0x3432/0x4600 [ 144.637057][ C0] dev_queue_xmit+0x4b/0x60 [ 144.637057][ C0] packet_sendmsg+0x86ee/0x99d0 [ 144.637057][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 144.637057][ C0] __sys_sendmsg+0x714/0x830 [ 144.637057][ C0] __se_sys_sendmsg+0x97/0xb0 [ 144.637057][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 144.637057][ C0] do_syscall_64+0x9f/0x140 [ 144.637057][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.637057][ C0] [ 144.637057][ C0] Uninit was created at: [ 144.637057][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.637057][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 144.637057][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 144.637057][ C0] __alloc_skb+0x4dd/0xe90 [ 144.637057][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 144.637057][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.637057][ C0] packet_sendmsg+0x6a12/0x99d0 [ 144.637057][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 144.637057][ C0] __sys_sendmsg+0x714/0x830 [ 144.637057][ C0] __se_sys_sendmsg+0x97/0xb0 [ 144.637057][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 144.637057][ C0] do_syscall_64+0x9f/0x140 [ 144.637057][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.637057][ C0] ===================================================== [ 145.112122][ C0] ===================================================== [ 145.119051][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 145.121925][ C0] CPU: 0 PID: 8433 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.121925][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.121925][ C0] Call Trace: [ 145.121925][ C0] [ 145.121925][ C0] dump_stack+0x24c/0x2e0 [ 145.121925][ C0] kmsan_report+0xfb/0x1e0 [ 145.121925][ C0] __msan_warning+0x5c/0xa0 [ 145.121925][ C0] ip_rcv_core+0xf5d/0x1480 [ 145.121925][ C0] ip_rcv+0xc7/0x820 [ 145.121925][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.121925][ C0] __netif_receive_skb+0x1ec/0x640 [ 145.121925][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.121925][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 145.121925][ C0] process_backlog+0x517/0xbd0 [ 145.121925][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.121925][ C0] __napi_poll+0x13e/0xca0 [ 145.209325][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.216443][ C0] net_rx_action+0x726/0x14a0 [ 145.216443][ C0] ? net_tx_action+0xd30/0xd30 [ 145.216443][ C0] __do_softirq+0x1b9/0x715 [ 145.216443][ C0] ? idle_cpu+0x9a/0x1d0 [ 145.216443][ C0] ? __irq_exit_rcu+0x83/0x280 [ 145.216443][ C0] do_softirq+0x123/0x1c0 [ 145.216443][ C0] [ 145.216443][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 145.216443][ C0] local_bh_enable+0x36/0x40 [ 145.216443][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 145.216443][ C0] dev_queue_xmit+0x4b/0x60 [ 145.216443][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.216443][ C0] packet_sendmsg+0x86ee/0x99d0 [ 145.216443][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.216443][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.216443][ C0] ? process_slab+0x13a8/0x1b70 [ 145.216443][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.216443][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.216443][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.216443][ C0] ? packet_getsockopt+0x1120/0x1120 [ 145.216443][ C0] __sys_sendmsg+0x714/0x830 [ 145.216443][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.216443][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 145.216443][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 145.216443][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.216443][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.216443][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.216443][ C0] do_syscall_64+0x9f/0x140 [ 145.216443][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.216443][ C0] RIP: 0033:0x443e09 [ 145.216443][ 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 [ 145.216443][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.216443][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 145.216443][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 145.216443][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.216443][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022eb5 [ 145.216443][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 145.216443][ C0] [ 145.216443][ C0] Uninit was stored to memory at: [ 145.216443][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 145.216443][ C0] __msan_chain_origin+0x54/0xa0 [ 145.216443][ C0] iptunnel_xmit+0xbd6/0xf20 [ 145.216443][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 145.216443][ C0] geneve_xmit+0x2139/0x3c40 [ 145.216443][ C0] xmit_one+0x2b6/0x760 [ 145.216443][ C0] __dev_queue_xmit+0x3432/0x4600 [ 145.216443][ C0] dev_queue_xmit+0x4b/0x60 [ 145.216443][ C0] packet_sendmsg+0x86ee/0x99d0 [ 145.216443][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.216443][ C0] __sys_sendmsg+0x714/0x830 [ 145.216443][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.216443][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.216443][ C0] do_syscall_64+0x9f/0x140 [ 145.216443][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.216443][ C0] [ 145.216443][ C0] Uninit was created at: [ 145.216443][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.216443][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 145.216443][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.216443][ C0] __alloc_skb+0x4dd/0xe90 [ 145.216443][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 145.216443][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.216443][ C0] packet_sendmsg+0x6a12/0x99d0 [ 145.216443][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.216443][ C0] __sys_sendmsg+0x714/0x830 [ 145.216443][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.216443][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.216443][ C0] do_syscall_64+0x9f/0x140 [ 145.216443][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.216443][ C0] ===================================================== [ 145.591943][ C0] ===================================================== [ 145.598905][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 145.601897][ C0] CPU: 0 PID: 8433 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.601897][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.601897][ C0] Call Trace: [ 145.601897][ C0] [ 145.601897][ C0] dump_stack+0x24c/0x2e0 [ 145.601897][ C0] kmsan_report+0xfb/0x1e0 [ 145.601897][ C0] __msan_warning+0x5c/0xa0 [ 145.601897][ C0] ip_rcv_core+0x1068/0x1480 [ 145.601897][ C0] ip_rcv+0xc7/0x820 [ 145.601897][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.601897][ C0] __netif_receive_skb+0x1ec/0x640 [ 145.601897][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.601897][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 145.601897][ C0] process_backlog+0x517/0xbd0 [ 145.601897][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.601897][ C0] __napi_poll+0x13e/0xca0 [ 145.601897][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.601897][ C0] net_rx_action+0x726/0x14a0 [ 145.601897][ C0] ? net_tx_action+0xd30/0xd30 [ 145.601897][ C0] __do_softirq+0x1b9/0x715 [ 145.601897][ C0] ? idle_cpu+0x9a/0x1d0 [ 145.601897][ C0] ? __irq_exit_rcu+0x83/0x280 [ 145.601897][ C0] do_softirq+0x123/0x1c0 [ 145.601897][ C0] [ 145.601897][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 145.601897][ C0] local_bh_enable+0x36/0x40 [ 145.601897][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 145.601897][ C0] dev_queue_xmit+0x4b/0x60 [ 145.601897][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.601897][ C0] packet_sendmsg+0x86ee/0x99d0 [ 145.601897][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.601897][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.601897][ C0] ? process_slab+0x13a8/0x1b70 [ 145.601897][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.601897][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.601897][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.601897][ C0] ? packet_getsockopt+0x1120/0x1120 [ 145.601897][ C0] __sys_sendmsg+0x714/0x830 [ 145.601897][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.601897][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 145.601897][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 145.601897][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.601897][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.601897][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.601897][ C0] do_syscall_64+0x9f/0x140 [ 145.601897][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.601897][ C0] RIP: 0033:0x443e09 [ 145.601897][ 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 [ 145.601897][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.601897][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 145.601897][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 145.601897][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.601897][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000022eb5 [ 145.601897][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 145.601897][ C0] [ 145.601897][ C0] Uninit was stored to memory at: [ 145.601897][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 145.601897][ C0] __msan_chain_origin+0x54/0xa0 [ 145.601897][ C0] __ip_local_out+0x479/0x840 [ 145.601897][ C0] ip_local_out+0xa1/0x1e0 [ 145.601897][ C0] iptunnel_xmit+0x931/0xf20 [ 145.601897][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 145.601897][ C0] geneve_xmit+0x2139/0x3c40 [ 145.601897][ C0] xmit_one+0x2b6/0x760 [ 145.601897][ C0] __dev_queue_xmit+0x3432/0x4600 [ 145.601897][ C0] dev_queue_xmit+0x4b/0x60 [ 145.601897][ C0] packet_sendmsg+0x86ee/0x99d0 [ 145.601897][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.601897][ C0] __sys_sendmsg+0x714/0x830 [ 145.601897][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.601897][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.601897][ C0] do_syscall_64+0x9f/0x140 [ 145.601897][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.601897][ C0] [ 145.601897][ C0] Uninit was stored to memory at: [ 145.601897][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 145.601897][ C0] __msan_chain_origin+0x54/0xa0 [ 145.601897][ C0] iptunnel_xmit+0xbd6/0xf20 [ 145.601897][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 145.601897][ C0] geneve_xmit+0x2139/0x3c40 [ 145.601897][ C0] xmit_one+0x2b6/0x760 [ 145.601897][ C0] __dev_queue_xmit+0x3432/0x4600 [ 145.601897][ C0] dev_queue_xmit+0x4b/0x60 [ 145.601897][ C0] packet_sendmsg+0x86ee/0x99d0 [ 145.601897][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.601897][ C0] __sys_sendmsg+0x714/0x830 [ 145.601897][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.601897][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.601897][ C0] do_syscall_64+0x9f/0x140 [ 145.601897][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.601897][ C0] [ 145.601897][ C0] Uninit was created at: [ 145.601897][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.601897][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 145.601897][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.601897][ C0] __alloc_skb+0x4dd/0xe90 [ 145.601897][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 145.601897][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.601897][ C0] packet_sendmsg+0x6a12/0x99d0 [ 145.601897][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.601897][ C0] __sys_sendmsg+0x714/0x830 executing program [ 145.601897][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.601897][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.601897][ C0] do_syscall_64+0x9f/0x140 [ 145.601897][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.601897][ C0] ===================================================== [ 146.191314][ C0] ===================================================== [ 146.192527][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 146.192527][ C0] CPU: 0 PID: 8434 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.192527][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.192527][ C0] Call Trace: [ 146.192527][ C0] [ 146.192527][ C0] dump_stack+0x24c/0x2e0 [ 146.192527][ C0] kmsan_report+0xfb/0x1e0 [ 146.192527][ C0] __msan_warning+0x5c/0xa0 [ 146.192527][ C0] ip_rcv_core+0xf4c/0x1480 [ 146.192527][ C0] ip_rcv+0xc7/0x820 [ 146.192527][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.192527][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.192527][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.192527][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.192527][ C0] process_backlog+0x517/0xbd0 [ 146.192527][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.192527][ C0] __napi_poll+0x13e/0xca0 [ 146.192527][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.192527][ C0] net_rx_action+0x726/0x14a0 [ 146.192527][ C0] ? net_tx_action+0xd30/0xd30 [ 146.192527][ C0] __do_softirq+0x1b9/0x715 [ 146.192527][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.192527][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.192527][ C0] do_softirq+0x123/0x1c0 [ 146.192527][ C0] [ 146.192527][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.192527][ C0] local_bh_enable+0x36/0x40 [ 146.192527][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.192527][ C0] dev_queue_xmit+0x4b/0x60 [ 146.192527][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.192527][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.192527][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.192527][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.192527][ C0] ? process_slab+0x13a8/0x1b70 [ 146.192527][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.192527][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.192527][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.192527][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.192527][ C0] __sys_sendmsg+0x714/0x830 [ 146.192527][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.192527][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.192527][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 146.192527][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.192527][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.192527][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.192527][ C0] do_syscall_64+0x9f/0x140 [ 146.192527][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.192527][ C0] RIP: 0033:0x443e09 [ 146.192527][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.192527][ C0] RSP: 002b:00007ffe7b6a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.192527][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e09 [ 146.192527][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 146.192527][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.192527][ C0] R10: 00007ffe7b6a47a0 R11: 0000000000000246 R12: 0000000000023529 [ 146.192527][ C0] R13: 00007ffe7b6a4d50 R14: 00007ffe7b6a4d40 R15: 00007ffe7b6a4d34 [ 146.192527][ C0] [ 146.192527][ C0] Uninit was stored to memory at: [ 146.192527][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.192527][ C0] __msan_chain_origin+0x54/0xa0 [ 146.192527][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.192527][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.192527][ C0] geneve_xmit+0x2139/0x3c40 [ 146.192527][ C0] xmit_one+0x2b6/0x760 [ 146.192527][ C0] __dev_queue_xmit+0x3432/0x4600 [ 146.192527][ C0] dev_queue_xmit+0x4b/0x60 [ 146.192527][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.192527][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.192527][ C0] __sys_sendmsg+0x714/0x830 [ 146.192527][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.192527][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.192527][ C0] do_syscall_64+0x9f/0x140 [ 146.192527][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae