[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. syzkaller login: [ 145.590791][ T8203] IPVS: ftp: loaded support on port[0] = 21 [ 145.776018][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 145.864796][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.873273][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.882190][ T8203] device bridge_slave_0 entered promiscuous mode [ 145.894630][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.901955][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.911759][ T8203] device bridge_slave_1 entered promiscuous mode [ 145.945994][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.959949][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.996219][ T8203] team0: Port device team_slave_0 added [ 146.007442][ T8203] team0: Port device team_slave_1 added [ 146.040709][ T8203] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.049398][ T8203] 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. [ 146.077615][ T8203] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.091806][ T8203] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.099934][ T8203] 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. [ 146.127190][ T8203] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.170766][ T8203] device hsr_slave_0 entered promiscuous mode [ 146.178627][ T8203] device hsr_slave_1 entered promiscuous mode [ 146.387668][ T8203] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 146.425108][ T8203] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 146.452106][ T8203] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 146.486603][ T8203] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 146.616049][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.624367][ T8203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.632792][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.640236][ T8203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.715863][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.725615][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.752957][ T8203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.781565][ T8203] 8021q: adding VLAN 0 to HW filter on device team0 [ 146.789957][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 146.799459][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 146.823176][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 146.834973][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 146.844311][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.851713][ T8412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.861329][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 146.871983][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 146.882091][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.889884][ T8412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.909560][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 146.933990][ T8412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 146.955185][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 146.966017][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 146.983482][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 146.998837][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 147.009521][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 147.029092][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 147.039423][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 147.058817][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 147.069357][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 147.087019][ T8203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 147.119938][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 147.128492][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 147.150936][ T8203] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 147.187021][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 147.197945][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 147.235920][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 147.247271][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 147.262296][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 147.271959][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 147.286963][ T8203] device veth0_vlan entered promiscuous mode [ 147.308084][ T8203] device veth1_vlan entered promiscuous mode [ 147.350361][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 147.360504][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 147.370579][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 147.380450][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 147.398343][ T8203] device veth0_macvtap entered promiscuous mode [ 147.413548][ T8203] device veth1_macvtap entered promiscuous mode [ 147.446393][ T8203] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 147.454301][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 147.464807][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 147.475050][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 147.485617][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 147.506174][ T8203] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 147.514383][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 147.524781][ T2058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 147.540567][ T8203] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.550776][ T8203] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.560457][ T8203] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.569701][ T8203] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 147.697164][ C0] ===================================================== [ 147.704478][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 147.711483][ C0] CPU: 0 PID: 8415 Comm: syz-executor804 Not tainted 5.12.0-rc6-syzkaller #0 [ 147.720284][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.730421][ C0] Call Trace: [ 147.733825][ C0] [ 147.736792][ C0] dump_stack+0x24c/0x2e0 [ 147.741246][ C0] kmsan_report+0xfb/0x1e0 [ 147.745794][ C0] __msan_warning+0x5c/0xa0 [ 147.750355][ C0] ip_rcv_core+0xf4c/0x1480 [ 147.754989][ C0] ip_rcv+0xc7/0x820 [ 147.758920][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.764266][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.769420][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.775526][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.781430][ C0] process_backlog+0x517/0xbd0 [ 147.786322][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.791648][ C0] __napi_poll+0x13e/0xca0 [ 147.796305][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.802624][ C0] net_rx_action+0x726/0x14a0 [ 147.807438][ C0] ? net_tx_action+0xd30/0xd30 [ 147.813059][ C0] __do_softirq+0x1b9/0x715 [ 147.818066][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.822425][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.827280][ C0] do_softirq+0x123/0x1c0 [ 147.831743][ C0] [ 147.834770][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 147.839902][ C0] local_bh_enable+0x36/0x40 [ 147.844718][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 147.849936][ C0] dev_queue_xmit+0x4b/0x60 [ 147.854751][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.860152][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.865155][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.870657][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.877068][ C0] ? process_slab+0x13a8/0x1b70 [ 147.882368][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.888355][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.894451][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.899322][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.904616][ C0] __sys_sendmsg+0x714/0x830 [ 147.909259][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.915125][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.921505][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.927829][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.933055][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.937998][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.942863][ C0] do_syscall_64+0x9f/0x140 [ 147.947368][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.953314][ C0] RIP: 0033:0x443de9 [ 147.957417][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.977317][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.985745][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 147.994028][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 148.002491][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.010673][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00007ffcea40dba0 [ 148.018927][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 0000000000000003 [ 148.027004][ C0] [ 148.029340][ C0] Uninit was stored to memory at: [ 148.034351][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.040087][ C0] __msan_chain_origin+0x54/0xa0 [ 148.045148][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.049957][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.056730][ C0] geneve_xmit+0x2139/0x3c40 [ 148.062819][ C0] xmit_one+0x2b6/0x760 [ 148.067836][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.074102][ C0] dev_queue_xmit+0x4b/0x60 [ 148.079018][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.084003][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.089336][ C0] __sys_sendmsg+0x714/0x830 [ 148.096885][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.101950][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.107251][ C0] do_syscall_64+0x9f/0x140 [ 148.111963][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.117874][ C0] [ 148.120340][ C0] Uninit was created at: [ 148.125585][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.131660][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.136626][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.143604][ C0] __alloc_skb+0x4dd/0xe90 [ 148.148125][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.154335][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.160292][ C0] packet_sendmsg+0x6a12/0x99d0 [ 148.165330][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.170209][ C0] __sys_sendmsg+0x714/0x830 [ 148.174823][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.179599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.184365][ C0] do_syscall_64+0x9f/0x140 [ 148.189103][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.195085][ C0] ===================================================== [ 148.202021][ C0] Disabling lock debugging due to kernel taint [ 148.208808][ C0] ===================================================== [ 148.216085][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 148.222970][ C0] CPU: 0 PID: 8415 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.233724][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.244004][ C0] Call Trace: [ 148.247437][ C0] [ 148.250299][ C0] dump_stack+0x24c/0x2e0 [ 148.255492][ C0] kmsan_report+0xfb/0x1e0 [ 148.260790][ C0] __msan_warning+0x5c/0xa0 [ 148.265707][ C0] ip_rcv_core+0xf5d/0x1480 [ 148.270717][ C0] ip_rcv+0xc7/0x820 [ 148.274740][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.280101][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.285431][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.291367][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.297046][ C0] process_backlog+0x517/0xbd0 [ 148.302298][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.307814][ C0] __napi_poll+0x13e/0xca0 [ 148.312345][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.318544][ C0] net_rx_action+0x726/0x14a0 [ 148.323453][ C0] ? net_tx_action+0xd30/0xd30 [ 148.328369][ C0] __do_softirq+0x1b9/0x715 [ 148.332935][ C0] ? idle_cpu+0x9a/0x1d0 [ 148.337214][ C0] ? __irq_exit_rcu+0x83/0x280 [ 148.342231][ C0] do_softirq+0x123/0x1c0 [ 148.346868][ C0] [ 148.349930][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.355111][ C0] local_bh_enable+0x36/0x40 [ 148.360162][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.365459][ C0] dev_queue_xmit+0x4b/0x60 [ 148.370278][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.375571][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.381819][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.387072][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.393318][ C0] ? process_slab+0x13a8/0x1b70 [ 148.398334][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.404244][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.410501][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.415632][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.421016][ C0] __sys_sendmsg+0x714/0x830 [ 148.426093][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.431781][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.438079][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.444435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.449759][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.454639][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.459695][ C0] do_syscall_64+0x9f/0x140 [ 148.464224][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.470140][ C0] RIP: 0033:0x443de9 [ 148.474095][ 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 [ 148.494847][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.503865][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 148.512272][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 148.520561][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.528545][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00007ffcea40dba0 [ 148.536558][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 0000000000000003 [ 148.544822][ C0] [ 148.547262][ C0] Uninit was stored to memory at: [ 148.552310][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.558448][ C0] __msan_chain_origin+0x54/0xa0 [ 148.563829][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.569254][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.574396][ C0] geneve_xmit+0x2139/0x3c40 [ 148.579253][ C0] xmit_one+0x2b6/0x760 [ 148.583607][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.588655][ C0] dev_queue_xmit+0x4b/0x60 [ 148.593163][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.598014][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.602970][ C0] __sys_sendmsg+0x714/0x830 [ 148.607586][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.612306][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.617067][ C0] do_syscall_64+0x9f/0x140 [ 148.621671][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.627695][ C0] [ 148.630227][ C0] Uninit was created at: [ 148.634630][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.640474][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.645341][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.651246][ C0] __alloc_skb+0x4dd/0xe90 [ 148.655697][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.661545][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.667026][ C0] packet_sendmsg+0x6a12/0x99d0 [ 148.671994][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.676963][ C0] __sys_sendmsg+0x714/0x830 [ 148.681765][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.686634][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.691519][ C0] do_syscall_64+0x9f/0x140 [ 148.696659][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.702565][ C0] ===================================================== [ 148.709886][ C0] ===================================================== [ 148.717002][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 148.724174][ C0] CPU: 0 PID: 8415 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.736209][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.746484][ C0] Call Trace: [ 148.749806][ C0] [ 148.752664][ C0] dump_stack+0x24c/0x2e0 [ 148.757031][ C0] kmsan_report+0xfb/0x1e0 [ 148.761600][ C0] __msan_warning+0x5c/0xa0 [ 148.766283][ C0] ip_rcv_core+0x1068/0x1480 [ 148.770949][ C0] ip_rcv+0xc7/0x820 [ 148.774929][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.780267][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.785445][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.791383][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.797274][ C0] process_backlog+0x517/0xbd0 [ 148.802199][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.807721][ C0] __napi_poll+0x13e/0xca0 [ 148.812175][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.818599][ C0] net_rx_action+0x726/0x14a0 [ 148.823925][ C0] ? net_tx_action+0xd30/0xd30 [ 148.828932][ C0] __do_softirq+0x1b9/0x715 [ 148.833544][ C0] ? idle_cpu+0x9a/0x1d0 [ 148.838333][ C0] ? __irq_exit_rcu+0x83/0x280 [ 148.843105][ C0] do_softirq+0x123/0x1c0 [ 148.847444][ C0] [ 148.850583][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.855616][ C0] local_bh_enable+0x36/0x40 [ 148.860372][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.865429][ C0] dev_queue_xmit+0x4b/0x60 [ 148.870024][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.875930][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.882574][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.888233][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.893876][ C0] ? process_slab+0x13a8/0x1b70 [ 148.899335][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.905694][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.912037][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.916918][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.922210][ C0] __sys_sendmsg+0x714/0x830 [ 148.926912][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.932561][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.938983][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.944972][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.950177][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.955098][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.960305][ C0] do_syscall_64+0x9f/0x140 [ 148.965426][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.971593][ C0] RIP: 0033:0x443de9 [ 148.975537][ 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 [ 148.995435][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.003857][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 149.011849][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 149.020054][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.028251][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00007ffcea40dba0 [ 149.036281][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 0000000000000003 [ 149.044891][ C0] [ 149.047540][ C0] Uninit was stored to memory at: [ 149.052666][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.059308][ C0] __msan_chain_origin+0x54/0xa0 [ 149.065084][ C0] __ip_local_out+0x479/0x840 [ 149.069785][ C0] ip_local_out+0xa1/0x1e0 [ 149.074264][ C0] iptunnel_xmit+0x931/0xf20 [ 149.079397][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.084604][ C0] geneve_xmit+0x2139/0x3c40 [ 149.089642][ C0] xmit_one+0x2b6/0x760 [ 149.093876][ C0] __dev_queue_xmit+0x3432/0x4600 [ 149.098930][ C0] dev_queue_xmit+0x4b/0x60 [ 149.103863][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.108841][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.114546][ C0] __sys_sendmsg+0x714/0x830 [ 149.119154][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.123841][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.128696][ C0] do_syscall_64+0x9f/0x140 [ 149.133209][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.139208][ C0] [ 149.141531][ C0] Uninit was stored to memory at: [ 149.146630][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.152363][ C0] __msan_chain_origin+0x54/0xa0 [ 149.157344][ C0] iptunnel_xmit+0xbd6/0xf20 [ 149.162353][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.167724][ C0] geneve_xmit+0x2139/0x3c40 [ 149.172538][ C0] xmit_one+0x2b6/0x760 [ 149.176841][ C0] __dev_queue_xmit+0x3432/0x4600 [ 149.181870][ C0] dev_queue_xmit+0x4b/0x60 [ 149.186481][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.191460][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.196868][ C0] __sys_sendmsg+0x714/0x830 [ 149.201588][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.206434][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.211280][ C0] do_syscall_64+0x9f/0x140 [ 149.216048][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.222375][ C0] [ 149.224830][ C0] Uninit was created at: [ 149.229609][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.235367][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 149.240174][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.246450][ C0] __alloc_skb+0x4dd/0xe90 [ 149.250886][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 149.256225][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.261829][ C0] packet_sendmsg+0x6a12/0x99d0 [ 149.266830][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.271880][ C0] __sys_sendmsg+0x714/0x830 [ 149.276744][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.281639][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.288435][ C0] do_syscall_64+0x9f/0x140 [ 149.293422][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.299545][ C0] ===================================================== executing program [ 149.416783][ C1] ===================================================== [ 149.424001][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.431022][ C1] CPU: 1 PID: 8417 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.441309][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.452299][ C1] Call Trace: [ 149.455880][ C1] [ 149.459146][ C1] dump_stack+0x24c/0x2e0 [ 149.463604][ C1] kmsan_report+0xfb/0x1e0 [ 149.469310][ C1] __msan_warning+0x5c/0xa0 [ 149.473957][ C1] ip_rcv_core+0xf4c/0x1480 [ 149.478501][ C1] ip_rcv+0xc7/0x820 [ 149.482533][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.487963][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.493214][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.498982][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.504617][ C1] process_backlog+0x517/0xbd0 [ 149.509578][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.515153][ C1] __napi_poll+0x13e/0xca0 [ 149.519635][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.525801][ C1] net_rx_action+0x726/0x14a0 [ 149.530483][ C1] ? net_tx_action+0xd30/0xd30 [ 149.535698][ C1] __do_softirq+0x1b9/0x715 [ 149.540606][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.545003][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.550452][ C1] do_softirq+0x123/0x1c0 [ 149.554807][ C1] [ 149.557750][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.562799][ C1] local_bh_enable+0x36/0x40 [ 149.567427][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.572643][ C1] dev_queue_xmit+0x4b/0x60 [ 149.577183][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.583010][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.588648][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.594106][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.599744][ C1] ? process_slab+0x13a8/0x1b70 [ 149.604622][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.610434][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.616566][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.621551][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.626958][ C1] __sys_sendmsg+0x714/0x830 [ 149.631562][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.637297][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.643714][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.649776][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.655216][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.659957][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.664862][ C1] do_syscall_64+0x9f/0x140 [ 149.669611][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.675767][ C1] RIP: 0033:0x443de9 [ 149.679670][ 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 [ 149.699674][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.708561][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 149.716941][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 149.725030][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.733208][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024133 [ 149.741941][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 149.750294][ C1] [ 149.752624][ C1] Uninit was stored to memory at: [ 149.757733][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.763473][ C1] __msan_chain_origin+0x54/0xa0 [ 149.768408][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.773021][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.778297][ C1] geneve_xmit+0x2139/0x3c40 [ 149.783030][ C1] xmit_one+0x2b6/0x760 [ 149.787228][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.792308][ C1] dev_queue_xmit+0x4b/0x60 [ 149.796816][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.801953][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.807131][ C1] __sys_sendmsg+0x714/0x830 [ 149.811752][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.816629][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.821659][ C1] do_syscall_64+0x9f/0x140 [ 149.827017][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.833056][ C1] [ 149.835631][ C1] Uninit was created at: [ 149.840240][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.846174][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.851137][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.857252][ C1] __alloc_skb+0x4dd/0xe90 [ 149.862019][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.867493][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.872749][ C1] packet_sendmsg+0x6a12/0x99d0 [ 149.877977][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.882839][ C1] __sys_sendmsg+0x714/0x830 [ 149.887667][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.892402][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.897184][ C1] do_syscall_64+0x9f/0x140 [ 149.901794][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.908411][ C1] ===================================================== [ 149.915691][ C1] ===================================================== [ 149.922921][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 149.930085][ C1] CPU: 1 PID: 8417 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.940659][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.950748][ C1] Call Trace: [ 149.954054][ C1] [ 149.956946][ C1] dump_stack+0x24c/0x2e0 [ 149.961423][ C1] kmsan_report+0xfb/0x1e0 [ 149.965986][ C1] __msan_warning+0x5c/0xa0 [ 149.970525][ C1] ip_rcv_core+0xf5d/0x1480 [ 149.975208][ C1] ip_rcv+0xc7/0x820 [ 149.979343][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.984908][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.990142][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.996001][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.001695][ C1] process_backlog+0x517/0xbd0 [ 150.006533][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.012090][ C1] __napi_poll+0x13e/0xca0 [ 150.016802][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.023024][ C1] net_rx_action+0x726/0x14a0 [ 150.027873][ C1] ? net_tx_action+0xd30/0xd30 [ 150.032833][ C1] __do_softirq+0x1b9/0x715 [ 150.037502][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.042250][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.047189][ C1] do_softirq+0x123/0x1c0 [ 150.051711][ C1] [ 150.054655][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.060544][ C1] local_bh_enable+0x36/0x40 [ 150.065320][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.070445][ C1] dev_queue_xmit+0x4b/0x60 [ 150.074966][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.080439][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.085299][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.091037][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.097009][ C1] ? process_slab+0x13a8/0x1b70 [ 150.101985][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.109136][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.115860][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.120984][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.127652][ C1] __sys_sendmsg+0x714/0x830 [ 150.132427][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.138159][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.145044][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.151438][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.156673][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.161449][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.166243][ C1] do_syscall_64+0x9f/0x140 [ 150.170900][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.177255][ C1] RIP: 0033:0x443de9 [ 150.181494][ 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 [ 150.201431][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.209852][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 150.217972][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 150.226048][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.234032][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024133 [ 150.242595][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 150.250947][ C1] [ 150.253495][ C1] Uninit was stored to memory at: [ 150.258646][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.264613][ C1] __msan_chain_origin+0x54/0xa0 [ 150.269891][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.274507][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.279973][ C1] geneve_xmit+0x2139/0x3c40 [ 150.284714][ C1] xmit_one+0x2b6/0x760 [ 150.288906][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.294074][ C1] dev_queue_xmit+0x4b/0x60 [ 150.298880][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.303953][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.308864][ C1] __sys_sendmsg+0x714/0x830 [ 150.313493][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.318656][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.323547][ C1] do_syscall_64+0x9f/0x140 [ 150.328055][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.334387][ C1] [ 150.336725][ C1] Uninit was created at: [ 150.341124][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.347317][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 150.352095][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.358700][ C1] __alloc_skb+0x4dd/0xe90 [ 150.363163][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.369142][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.374971][ C1] packet_sendmsg+0x6a12/0x99d0 [ 150.380038][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.385108][ C1] __sys_sendmsg+0x714/0x830 [ 150.389796][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.394635][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.399429][ C1] do_syscall_64+0x9f/0x140 [ 150.403995][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.409946][ C1] ===================================================== [ 150.417172][ C1] ===================================================== [ 150.424126][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 150.431409][ C1] CPU: 1 PID: 8417 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.441709][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.452390][ C1] Call Trace: [ 150.455796][ C1] [ 150.459020][ C1] dump_stack+0x24c/0x2e0 [ 150.463464][ C1] kmsan_report+0xfb/0x1e0 [ 150.468101][ C1] __msan_warning+0x5c/0xa0 [ 150.473014][ C1] ip_rcv_core+0x1068/0x1480 [ 150.477742][ C1] ip_rcv+0xc7/0x820 [ 150.481873][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.487127][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.492372][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.498171][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.503979][ C1] process_backlog+0x517/0xbd0 [ 150.509006][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.514617][ C1] __napi_poll+0x13e/0xca0 [ 150.519206][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.525339][ C1] net_rx_action+0x726/0x14a0 [ 150.530566][ C1] ? net_tx_action+0xd30/0xd30 [ 150.535358][ C1] __do_softirq+0x1b9/0x715 [ 150.540185][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.544714][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.549482][ C1] do_softirq+0x123/0x1c0 [ 150.553927][ C1] [ 150.556859][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.562054][ C1] local_bh_enable+0x36/0x40 [ 150.566650][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.572713][ C1] dev_queue_xmit+0x4b/0x60 [ 150.577887][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.583448][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.588563][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.594081][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.600039][ C1] ? process_slab+0x13a8/0x1b70 [ 150.605599][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.612534][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.618950][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.623984][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.630381][ C1] __sys_sendmsg+0x714/0x830 [ 150.634993][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.640685][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.646818][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.652822][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.658234][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.662966][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.667794][ C1] do_syscall_64+0x9f/0x140 [ 150.672482][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.678672][ C1] RIP: 0033:0x443de9 [ 150.682570][ 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 [ 150.703546][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.712234][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 150.720343][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 150.728409][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.736393][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024133 [ 150.744681][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 150.752944][ C1] [ 150.755508][ C1] Uninit was stored to memory at: [ 150.760734][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.766849][ C1] __msan_chain_origin+0x54/0xa0 [ 150.771972][ C1] __ip_local_out+0x479/0x840 [ 150.777070][ C1] ip_local_out+0xa1/0x1e0 [ 150.781537][ C1] iptunnel_xmit+0x931/0xf20 [ 150.786318][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.791531][ C1] geneve_xmit+0x2139/0x3c40 [ 150.796132][ C1] xmit_one+0x2b6/0x760 [ 150.800841][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.805977][ C1] dev_queue_xmit+0x4b/0x60 [ 150.810507][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.815662][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.820773][ C1] __sys_sendmsg+0x714/0x830 [ 150.825421][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.830847][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.835854][ C1] do_syscall_64+0x9f/0x140 [ 150.840561][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.847366][ C1] [ 150.849691][ C1] Uninit was stored to memory at: [ 150.854934][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.861189][ C1] __msan_chain_origin+0x54/0xa0 [ 150.866646][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.871470][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.876725][ C1] geneve_xmit+0x2139/0x3c40 [ 150.881492][ C1] xmit_one+0x2b6/0x760 [ 150.885870][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.891013][ C1] dev_queue_xmit+0x4b/0x60 [ 150.895534][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.900485][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.905846][ C1] __sys_sendmsg+0x714/0x830 [ 150.911202][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.915946][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.920800][ C1] do_syscall_64+0x9f/0x140 [ 150.925314][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.931222][ C1] [ 150.933828][ C1] Uninit was created at: [ 150.938292][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.944016][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 150.948695][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.955461][ C1] __alloc_skb+0x4dd/0xe90 [ 150.960002][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.965323][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.970641][ C1] packet_sendmsg+0x6a12/0x99d0 [ 150.975546][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.980512][ C1] __sys_sendmsg+0x714/0x830 [ 150.985333][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.990029][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.994953][ C1] do_syscall_64+0x9f/0x140 [ 150.999782][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.005879][ C1] ===================================================== executing program [ 151.064369][ C0] ===================================================== [ 151.071564][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 151.078625][ C0] CPU: 0 PID: 8418 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.088922][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.099132][ C0] Call Trace: [ 151.102829][ C0] [ 151.105904][ C0] dump_stack+0x24c/0x2e0 [ 151.110369][ C0] kmsan_report+0xfb/0x1e0 [ 151.115087][ C0] __msan_warning+0x5c/0xa0 [ 151.119798][ C0] ip_rcv_core+0xf4c/0x1480 [ 151.125132][ C0] ip_rcv+0xc7/0x820 [ 151.130245][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.135458][ C0] __netif_receive_skb+0x1ec/0x640 [ 151.140792][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.146716][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 151.152462][ C0] process_backlog+0x517/0xbd0 [ 151.157822][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.164102][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.169992][ C0] __napi_poll+0x13e/0xca0 [ 151.174714][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.180913][ C0] net_rx_action+0x726/0x14a0 [ 151.185619][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.191542][ C0] ? net_tx_action+0xd30/0xd30 [ 151.196345][ C0] __do_softirq+0x1b9/0x715 [ 151.201278][ C0] ? idle_cpu+0x9a/0x1d0 [ 151.205534][ C0] ? __irq_exit_rcu+0x83/0x280 [ 151.210408][ C0] do_softirq+0x123/0x1c0 [ 151.214952][ C0] [ 151.218041][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 151.223210][ C0] local_bh_enable+0x36/0x40 [ 151.227969][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 151.233451][ C0] dev_queue_xmit+0x4b/0x60 [ 151.238169][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.243964][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.248919][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.254142][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.259820][ C0] ? process_slab+0x13a8/0x1b70 [ 151.264697][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.270615][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.276710][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.281674][ C0] ? packet_getsockopt+0x1120/0x1120 [ 151.287093][ C0] __sys_sendmsg+0x714/0x830 [ 151.292081][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.298182][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.304336][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 151.310450][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.315680][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.320410][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.325339][ C0] do_syscall_64+0x9f/0x140 [ 151.329876][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.335929][ C0] RIP: 0033:0x443de9 [ 151.339954][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 151.359874][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.368521][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 151.376778][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 151.384838][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.393603][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00000000000247ee [ 151.402141][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 151.410355][ C0] [ 151.412749][ C0] Uninit was stored to memory at: [ 151.417871][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 151.423982][ C0] __msan_chain_origin+0x54/0xa0 [ 151.428927][ C0] iptunnel_xmit+0xbd6/0xf20 [ 151.433524][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 151.438955][ C0] geneve_xmit+0x2139/0x3c40 [ 151.444318][ C0] xmit_one+0x2b6/0x760 [ 151.448657][ C0] __dev_queue_xmit+0x3432/0x4600 [ 151.453688][ C0] dev_queue_xmit+0x4b/0x60 [ 151.458212][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.463218][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.468617][ C0] __sys_sendmsg+0x714/0x830 [ 151.473579][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.478802][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.484191][ C0] do_syscall_64+0x9f/0x140 [ 151.488791][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.494795][ C0] [ 151.497188][ C0] Uninit was created at: [ 151.501797][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.507769][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 151.513162][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.519415][ C0] __alloc_skb+0x4dd/0xe90 [ 151.523953][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 151.529261][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.534880][ C0] packet_sendmsg+0x6a12/0x99d0 [ 151.539855][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.544842][ C0] __sys_sendmsg+0x714/0x830 [ 151.549881][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.554779][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.559647][ C0] do_syscall_64+0x9f/0x140 [ 151.564561][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.570715][ C0] ===================================================== [ 151.578093][ C0] ===================================================== [ 151.585315][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 151.592812][ C0] CPU: 0 PID: 8418 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.603297][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.613587][ C0] Call Trace: [ 151.616917][ C0] [ 151.619864][ C0] dump_stack+0x24c/0x2e0 [ 151.624245][ C0] kmsan_report+0xfb/0x1e0 [ 151.629135][ C0] __msan_warning+0x5c/0xa0 [ 151.633827][ C0] ip_rcv_core+0xf5d/0x1480 [ 151.638502][ C0] ip_rcv+0xc7/0x820 [ 151.642439][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.647871][ C0] __netif_receive_skb+0x1ec/0x640 [ 151.653177][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.658959][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 151.664930][ C0] process_backlog+0x517/0xbd0 [ 151.669813][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.675764][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.681085][ C0] __napi_poll+0x13e/0xca0 [ 151.685595][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.691955][ C0] net_rx_action+0x726/0x14a0 [ 151.696816][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.702796][ C0] ? net_tx_action+0xd30/0xd30 [ 151.707907][ C0] __do_softirq+0x1b9/0x715 [ 151.712582][ C0] ? idle_cpu+0x9a/0x1d0 [ 151.716888][ C0] ? __irq_exit_rcu+0x83/0x280 [ 151.721650][ C0] do_softirq+0x123/0x1c0 [ 151.726153][ C0] [ 151.729264][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 151.734714][ C0] local_bh_enable+0x36/0x40 [ 151.739449][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 151.744821][ C0] dev_queue_xmit+0x4b/0x60 [ 151.749894][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.755654][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.760940][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.766459][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.772496][ C0] ? process_slab+0x13a8/0x1b70 [ 151.777589][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.783636][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.789834][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.794722][ C0] ? packet_getsockopt+0x1120/0x1120 [ 151.800221][ C0] __sys_sendmsg+0x714/0x830 [ 151.805168][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.811070][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.817267][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 151.823572][ C0] ? kmsan_get_metadata+0x116/0x180 [ 151.829201][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.833965][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.839211][ C0] do_syscall_64+0x9f/0x140 [ 151.843854][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.850028][ C0] RIP: 0033:0x443de9 [ 151.854407][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 151.875145][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.883596][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 151.892167][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 151.900464][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.908654][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00000000000247ee [ 151.916926][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 151.925390][ C0] [ 151.927932][ C0] Uninit was stored to memory at: [ 151.933044][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 151.939513][ C0] __msan_chain_origin+0x54/0xa0 [ 151.945086][ C0] iptunnel_xmit+0xbd6/0xf20 [ 151.949784][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 151.955090][ C0] geneve_xmit+0x2139/0x3c40 [ 151.959889][ C0] xmit_one+0x2b6/0x760 [ 151.964452][ C0] __dev_queue_xmit+0x3432/0x4600 [ 151.969574][ C0] dev_queue_xmit+0x4b/0x60 [ 151.974087][ C0] packet_sendmsg+0x86ee/0x99d0 [ 151.979537][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 151.984404][ C0] __sys_sendmsg+0x714/0x830 [ 151.989268][ C0] __se_sys_sendmsg+0x97/0xb0 [ 151.993992][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 151.999287][ C0] do_syscall_64+0x9f/0x140 [ 152.003847][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.009883][ C0] [ 152.012250][ C0] Uninit was created at: [ 152.016713][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.022542][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 152.027909][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.035702][ C0] __alloc_skb+0x4dd/0xe90 [ 152.040254][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 152.045577][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.051624][ C0] packet_sendmsg+0x6a12/0x99d0 [ 152.058118][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.064155][ C0] __sys_sendmsg+0x714/0x830 [ 152.069456][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.074510][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.080526][ C0] do_syscall_64+0x9f/0x140 [ 152.085661][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.091841][ C0] ===================================================== [ 152.099615][ C0] ===================================================== [ 152.107057][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 152.114671][ C0] CPU: 0 PID: 8418 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.125233][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.136478][ C0] Call Trace: [ 152.139892][ C0] [ 152.142757][ C0] dump_stack+0x24c/0x2e0 [ 152.147719][ C0] kmsan_report+0xfb/0x1e0 [ 152.152393][ C0] __msan_warning+0x5c/0xa0 [ 152.157023][ C0] ip_rcv_core+0x1068/0x1480 [ 152.161946][ C0] ip_rcv+0xc7/0x820 [ 152.166211][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.172177][ C0] __netif_receive_skb+0x1ec/0x640 [ 152.177936][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.183692][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 152.189459][ C0] process_backlog+0x517/0xbd0 [ 152.194637][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.200579][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.206524][ C0] __napi_poll+0x13e/0xca0 [ 152.211412][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.217696][ C0] net_rx_action+0x726/0x14a0 [ 152.222392][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.228717][ C0] ? net_tx_action+0xd30/0xd30 [ 152.233731][ C0] __do_softirq+0x1b9/0x715 [ 152.238241][ C0] ? idle_cpu+0x9a/0x1d0 [ 152.242774][ C0] ? __irq_exit_rcu+0x83/0x280 [ 152.247959][ C0] do_softirq+0x123/0x1c0 [ 152.252573][ C0] [ 152.255708][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 152.260737][ C0] local_bh_enable+0x36/0x40 [ 152.265419][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 152.270797][ C0] dev_queue_xmit+0x4b/0x60 [ 152.275408][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.280706][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.285563][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.291493][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.297583][ C0] ? process_slab+0x13a8/0x1b70 [ 152.302678][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.308583][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.314897][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.319950][ C0] ? packet_getsockopt+0x1120/0x1120 [ 152.325431][ C0] __sys_sendmsg+0x714/0x830 [ 152.330044][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.336575][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 152.342755][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 152.349042][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.354463][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.359336][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.364097][ C0] do_syscall_64+0x9f/0x140 [ 152.369166][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.375761][ C0] RIP: 0033:0x443de9 [ 152.380483][ 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 [ 152.401174][ C0] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.410083][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 152.418157][ C0] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 152.426655][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 152.434776][ C0] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 00000000000247ee [ 152.444000][ C0] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 152.452399][ C0] [ 152.455211][ C0] Uninit was stored to memory at: [ 152.465866][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 152.472362][ C0] __msan_chain_origin+0x54/0xa0 [ 152.477580][ C0] __ip_local_out+0x479/0x840 [ 152.482794][ C0] ip_local_out+0xa1/0x1e0 [ 152.487754][ C0] iptunnel_xmit+0x931/0xf20 [ 152.492571][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 152.498033][ C0] geneve_xmit+0x2139/0x3c40 [ 152.502746][ C0] xmit_one+0x2b6/0x760 [ 152.507309][ C0] __dev_queue_xmit+0x3432/0x4600 [ 152.512898][ C0] dev_queue_xmit+0x4b/0x60 [ 152.518679][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.523694][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.530728][ C0] __sys_sendmsg+0x714/0x830 [ 152.535716][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.540767][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.545971][ C0] do_syscall_64+0x9f/0x140 [ 152.550859][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.557280][ C0] [ 152.559766][ C0] Uninit was stored to memory at: [ 152.565607][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 152.571824][ C0] __msan_chain_origin+0x54/0xa0 [ 152.577232][ C0] iptunnel_xmit+0xbd6/0xf20 [ 152.582649][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 152.588819][ C0] geneve_xmit+0x2139/0x3c40 [ 152.593958][ C0] xmit_one+0x2b6/0x760 [ 152.598395][ C0] __dev_queue_xmit+0x3432/0x4600 [ 152.603475][ C0] dev_queue_xmit+0x4b/0x60 [ 152.608111][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.613060][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.617919][ C0] __sys_sendmsg+0x714/0x830 [ 152.622970][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.628099][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.632891][ C0] do_syscall_64+0x9f/0x140 [ 152.637718][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.643819][ C0] [ 152.646255][ C0] Uninit was created at: [ 152.651618][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.658697][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 152.664214][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.670643][ C0] __alloc_skb+0x4dd/0xe90 [ 152.675456][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 152.681114][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.686539][ C0] packet_sendmsg+0x6a12/0x99d0 [ 152.691503][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.697043][ C0] __sys_sendmsg+0x714/0x830 [ 152.702784][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.707791][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.712658][ C0] do_syscall_64+0x9f/0x140 executing program [ 152.717299][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.723265][ C0] ===================================================== [ 152.772820][ C1] ===================================================== [ 152.780430][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 152.787425][ C1] CPU: 1 PID: 8419 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.797889][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.808169][ C1] Call Trace: [ 152.811663][ C1] [ 152.814519][ C1] dump_stack+0x24c/0x2e0 [ 152.818977][ C1] kmsan_report+0xfb/0x1e0 [ 152.823514][ C1] __msan_warning+0x5c/0xa0 [ 152.828590][ C1] ip_rcv_core+0xf4c/0x1480 [ 152.833460][ C1] ip_rcv+0xc7/0x820 [ 152.837358][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.842671][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.847824][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.853679][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.860136][ C1] process_backlog+0x517/0xbd0 [ 152.865787][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.871695][ C1] __napi_poll+0x13e/0xca0 [ 152.876662][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.883486][ C1] net_rx_action+0x726/0x14a0 [ 152.888345][ C1] ? net_tx_action+0xd30/0xd30 [ 152.893279][ C1] __do_softirq+0x1b9/0x715 [ 152.898003][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.903136][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.908080][ C1] do_softirq+0x123/0x1c0 [ 152.912504][ C1] [ 152.915547][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.920801][ C1] local_bh_enable+0x36/0x40 [ 152.925593][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.930819][ C1] dev_queue_xmit+0x4b/0x60 [ 152.935441][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.941404][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.946660][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.952104][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.958420][ C1] ? process_slab+0x13a8/0x1b70 [ 152.963739][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.969658][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.975893][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.981352][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.987040][ C1] __sys_sendmsg+0x714/0x830 [ 152.991822][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.997564][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 153.003927][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 153.010165][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.016120][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.021529][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.026326][ C1] do_syscall_64+0x9f/0x140 [ 153.031175][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.037546][ C1] RIP: 0033:0x443de9 [ 153.042628][ 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 [ 153.063289][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.072467][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 153.081142][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 153.089287][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.097474][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024e48 [ 153.105550][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 153.113650][ C1] [ 153.116181][ C1] Uninit was stored to memory at: [ 153.125887][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.132158][ C1] __msan_chain_origin+0x54/0xa0 [ 153.137207][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.141818][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.147063][ C1] geneve_xmit+0x2139/0x3c40 [ 153.151675][ C1] xmit_one+0x2b6/0x760 [ 153.156056][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.161452][ C1] dev_queue_xmit+0x4b/0x60 [ 153.166799][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.172336][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.177586][ C1] __sys_sendmsg+0x714/0x830 [ 153.182192][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.186894][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.191666][ C1] do_syscall_64+0x9f/0x140 [ 153.196278][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.202274][ C1] [ 153.204681][ C1] Uninit was created at: [ 153.209089][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.214828][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.219520][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.225796][ C1] __alloc_skb+0x4dd/0xe90 [ 153.230571][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.235879][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.241190][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.246266][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.251223][ C1] __sys_sendmsg+0x714/0x830 [ 153.255986][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.260664][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.265708][ C1] do_syscall_64+0x9f/0x140 [ 153.270257][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.276522][ C1] ===================================================== [ 153.283870][ C1] ===================================================== [ 153.290903][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 153.298381][ C1] CPU: 1 PID: 8419 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.308911][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.319390][ C1] Call Trace: [ 153.322866][ C1] [ 153.325740][ C1] dump_stack+0x24c/0x2e0 [ 153.330195][ C1] kmsan_report+0xfb/0x1e0 [ 153.334652][ C1] __msan_warning+0x5c/0xa0 [ 153.339273][ C1] ip_rcv_core+0xf5d/0x1480 [ 153.343902][ C1] ip_rcv+0xc7/0x820 [ 153.347836][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.353221][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.358370][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.364259][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.369932][ C1] process_backlog+0x517/0xbd0 [ 153.374955][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.380386][ C1] __napi_poll+0x13e/0xca0 [ 153.384854][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.390970][ C1] net_rx_action+0x726/0x14a0 [ 153.395757][ C1] ? net_tx_action+0xd30/0xd30 [ 153.400741][ C1] __do_softirq+0x1b9/0x715 [ 153.405580][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.410029][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.414810][ C1] do_softirq+0x123/0x1c0 [ 153.419339][ C1] [ 153.422600][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.427784][ C1] local_bh_enable+0x36/0x40 [ 153.432518][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.437646][ C1] dev_queue_xmit+0x4b/0x60 [ 153.442726][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.448366][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.453432][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.458764][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.465287][ C1] ? process_slab+0x13a8/0x1b70 [ 153.470425][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.476239][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.482423][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.487392][ C1] ? packet_getsockopt+0x1120/0x1120 [ 153.492869][ C1] __sys_sendmsg+0x714/0x830 [ 153.497672][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.503487][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 153.509768][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 153.515972][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.521383][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.526370][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.531880][ C1] do_syscall_64+0x9f/0x140 [ 153.536792][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.542698][ C1] RIP: 0033:0x443de9 [ 153.546700][ 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 [ 153.567261][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.576148][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 153.584246][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 153.592420][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.600424][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024e48 [ 153.608401][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 153.616407][ C1] [ 153.618750][ C1] Uninit was stored to memory at: [ 153.623797][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.629627][ C1] __msan_chain_origin+0x54/0xa0 [ 153.634705][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.639493][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.644822][ C1] geneve_xmit+0x2139/0x3c40 [ 153.649713][ C1] xmit_one+0x2b6/0x760 [ 153.653881][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.658962][ C1] dev_queue_xmit+0x4b/0x60 [ 153.663474][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.668336][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.673196][ C1] __sys_sendmsg+0x714/0x830 [ 153.677836][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.682714][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.687789][ C1] do_syscall_64+0x9f/0x140 [ 153.692421][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.699265][ C1] [ 153.701587][ C1] Uninit was created at: [ 153.705828][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.711670][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.716395][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.722609][ C1] __alloc_skb+0x4dd/0xe90 [ 153.727062][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.733461][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.738883][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.743957][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.748999][ C1] __sys_sendmsg+0x714/0x830 [ 153.753825][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.758645][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.763704][ C1] do_syscall_64+0x9f/0x140 [ 153.768892][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.775326][ C1] ===================================================== [ 153.783157][ C1] ===================================================== [ 153.790134][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 153.797420][ C1] CPU: 1 PID: 8419 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.808261][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.818919][ C1] Call Trace: [ 153.822331][ C1] [ 153.825365][ C1] dump_stack+0x24c/0x2e0 [ 153.829759][ C1] kmsan_report+0xfb/0x1e0 [ 153.834733][ C1] __msan_warning+0x5c/0xa0 [ 153.839299][ C1] ip_rcv_core+0x1068/0x1480 [ 153.843955][ C1] ip_rcv+0xc7/0x820 [ 153.848031][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.853293][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.858439][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.864388][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.870535][ C1] process_backlog+0x517/0xbd0 [ 153.875648][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.881235][ C1] __napi_poll+0x13e/0xca0 [ 153.886090][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.892741][ C1] net_rx_action+0x726/0x14a0 [ 153.897559][ C1] ? net_tx_action+0xd30/0xd30 [ 153.902603][ C1] __do_softirq+0x1b9/0x715 [ 153.907142][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.911480][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.916470][ C1] do_softirq+0x123/0x1c0 [ 153.920822][ C1] [ 153.923775][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.928993][ C1] local_bh_enable+0x36/0x40 [ 153.933886][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.940340][ C1] dev_queue_xmit+0x4b/0x60 [ 153.944859][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.950189][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.955407][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.961147][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.966802][ C1] ? process_slab+0x13a8/0x1b70 [ 153.971675][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.977728][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.983917][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.988897][ C1] ? packet_getsockopt+0x1120/0x1120 [ 153.994487][ C1] __sys_sendmsg+0x714/0x830 [ 153.999279][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.004954][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 154.011458][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.017824][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.023192][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.028600][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.033749][ C1] do_syscall_64+0x9f/0x140 [ 154.038263][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.044676][ C1] RIP: 0033:0x443de9 [ 154.048688][ 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 [ 154.069885][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.078598][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 154.087011][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 154.095715][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.104578][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000024e48 [ 154.113279][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 154.121477][ C1] [ 154.123993][ C1] Uninit was stored to memory at: [ 154.129543][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.135835][ C1] __msan_chain_origin+0x54/0xa0 [ 154.141080][ C1] __ip_local_out+0x479/0x840 [ 154.145827][ C1] ip_local_out+0xa1/0x1e0 [ 154.150438][ C1] iptunnel_xmit+0x931/0xf20 [ 154.155394][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.160790][ C1] geneve_xmit+0x2139/0x3c40 [ 154.165584][ C1] xmit_one+0x2b6/0x760 [ 154.170352][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.175398][ C1] dev_queue_xmit+0x4b/0x60 [ 154.180050][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.184920][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.189774][ C1] __sys_sendmsg+0x714/0x830 [ 154.194407][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.199455][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.204456][ C1] do_syscall_64+0x9f/0x140 [ 154.209238][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.215233][ C1] [ 154.217637][ C1] Uninit was stored to memory at: [ 154.222654][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.228697][ C1] __msan_chain_origin+0x54/0xa0 [ 154.233848][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.238562][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.243773][ C1] geneve_xmit+0x2139/0x3c40 [ 154.248375][ C1] xmit_one+0x2b6/0x760 [ 154.252550][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.257643][ C1] dev_queue_xmit+0x4b/0x60 [ 154.262167][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.267028][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.272070][ C1] __sys_sendmsg+0x714/0x830 [ 154.277077][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.281943][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.286954][ C1] do_syscall_64+0x9f/0x140 [ 154.291625][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.297988][ C1] [ 154.300369][ C1] Uninit was created at: [ 154.304887][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.310985][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.315683][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.322035][ C1] __alloc_skb+0x4dd/0xe90 [ 154.326924][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.332280][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.337665][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.342526][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.347503][ C1] __sys_sendmsg+0x714/0x830 [ 154.352221][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.357031][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.362019][ C1] do_syscall_64+0x9f/0x140 [ 154.367459][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.373544][ C1] ===================================================== executing program [ 154.440327][ C1] ===================================================== [ 154.447517][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 154.454412][ C1] CPU: 1 PID: 8420 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.465061][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.475477][ C1] Call Trace: [ 154.479150][ C1] [ 154.482011][ C1] dump_stack+0x24c/0x2e0 [ 154.486659][ C1] kmsan_report+0xfb/0x1e0 [ 154.491297][ C1] __msan_warning+0x5c/0xa0 [ 154.497662][ C1] ip_rcv_core+0xf4c/0x1480 [ 154.502230][ C1] ip_rcv+0xc7/0x820 [ 154.506124][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.511434][ C1] __netif_receive_skb+0x1ec/0x640 [ 154.516549][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.522187][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 154.528004][ C1] process_backlog+0x517/0xbd0 [ 154.533232][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.543120][ C1] __napi_poll+0x13e/0xca0 [ 154.547828][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.553945][ C1] net_rx_action+0x726/0x14a0 [ 154.559133][ C1] ? net_tx_action+0xd30/0xd30 [ 154.564102][ C1] __do_softirq+0x1b9/0x715 [ 154.568783][ C1] ? idle_cpu+0x9a/0x1d0 [ 154.573294][ C1] ? __irq_exit_rcu+0x83/0x280 [ 154.578526][ C1] do_softirq+0x123/0x1c0 [ 154.583015][ C1] [ 154.586102][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 154.591131][ C1] local_bh_enable+0x36/0x40 [ 154.595726][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 154.600772][ C1] dev_queue_xmit+0x4b/0x60 [ 154.605730][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.611381][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.616608][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.622056][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.627742][ C1] ? process_slab+0x13a8/0x1b70 [ 154.632927][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.639947][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.646523][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.651620][ C1] ? packet_getsockopt+0x1120/0x1120 [ 154.657366][ C1] __sys_sendmsg+0x714/0x830 [ 154.662249][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.668186][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 154.674958][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.681234][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.686781][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.691473][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.696293][ C1] do_syscall_64+0x9f/0x140 [ 154.701072][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.707403][ C1] RIP: 0033:0x443de9 [ 154.711397][ 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 [ 154.731951][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.740383][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 154.748634][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 154.757594][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.766792][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 000000000002550a [ 154.775481][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 154.783466][ C1] [ 154.785791][ C1] Uninit was stored to memory at: [ 154.791474][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.797420][ C1] __msan_chain_origin+0x54/0xa0 [ 154.802839][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.807464][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.812611][ C1] geneve_xmit+0x2139/0x3c40 [ 154.817209][ C1] xmit_one+0x2b6/0x760 [ 154.821824][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.827379][ C1] dev_queue_xmit+0x4b/0x60 [ 154.832074][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.837063][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.842242][ C1] __sys_sendmsg+0x714/0x830 [ 154.847239][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.852046][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.856867][ C1] do_syscall_64+0x9f/0x140 [ 154.861763][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.868258][ C1] [ 154.870594][ C1] Uninit was created at: [ 154.875016][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.881220][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.886084][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.892131][ C1] __alloc_skb+0x4dd/0xe90 [ 154.897353][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.903460][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.908662][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.913717][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.919447][ C1] __sys_sendmsg+0x714/0x830 [ 154.924522][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.929806][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.934689][ C1] do_syscall_64+0x9f/0x140 [ 154.939196][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.945089][ C1] ===================================================== [ 154.952330][ C1] ===================================================== [ 154.959412][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 154.966389][ C1] CPU: 1 PID: 8420 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.977146][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.987319][ C1] Call Trace: [ 154.990624][ C1] [ 154.993732][ C1] dump_stack+0x24c/0x2e0 [ 154.998366][ C1] kmsan_report+0xfb/0x1e0 [ 155.002816][ C1] __msan_warning+0x5c/0xa0 [ 155.007543][ C1] ip_rcv_core+0xf5d/0x1480 [ 155.012296][ C1] ip_rcv+0xc7/0x820 [ 155.016232][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.021597][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.026869][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.032570][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 155.038430][ C1] process_backlog+0x517/0xbd0 [ 155.043330][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.049004][ C1] __napi_poll+0x13e/0xca0 [ 155.053635][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.059832][ C1] net_rx_action+0x726/0x14a0 [ 155.064855][ C1] ? net_tx_action+0xd30/0xd30 [ 155.070373][ C1] __do_softirq+0x1b9/0x715 [ 155.075056][ C1] ? idle_cpu+0x9a/0x1d0 [ 155.079677][ C1] ? __irq_exit_rcu+0x83/0x280 [ 155.085328][ C1] do_softirq+0x123/0x1c0 [ 155.090012][ C1] [ 155.093125][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 155.098266][ C1] local_bh_enable+0x36/0x40 [ 155.102962][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 155.108131][ C1] dev_queue_xmit+0x4b/0x60 [ 155.112791][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.118091][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.123511][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.129289][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.135050][ C1] ? process_slab+0x13a8/0x1b70 [ 155.140092][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.146686][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.152770][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.157771][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.163299][ C1] __sys_sendmsg+0x714/0x830 [ 155.168409][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.174143][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 155.180781][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.186932][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.192273][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.197135][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.202429][ C1] do_syscall_64+0x9f/0x140 [ 155.206961][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.213190][ C1] RIP: 0033:0x443de9 [ 155.217319][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 155.238825][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.247685][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 155.255966][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 155.264050][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.272245][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 000000000002550a [ 155.281437][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 155.289854][ C1] [ 155.292227][ C1] Uninit was stored to memory at: [ 155.297950][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.304895][ C1] __msan_chain_origin+0x54/0xa0 [ 155.310314][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.314920][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.320058][ C1] geneve_xmit+0x2139/0x3c40 [ 155.324763][ C1] xmit_one+0x2b6/0x760 [ 155.328924][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.334177][ C1] dev_queue_xmit+0x4b/0x60 [ 155.338689][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.343567][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.348520][ C1] __sys_sendmsg+0x714/0x830 [ 155.353209][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.357899][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.362873][ C1] do_syscall_64+0x9f/0x140 [ 155.367584][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.373480][ C1] [ 155.375817][ C1] Uninit was created at: [ 155.380242][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.386144][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.390848][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.396778][ C1] __alloc_skb+0x4dd/0xe90 [ 155.401277][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.406671][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.411904][ C1] packet_sendmsg+0x6a12/0x99d0 [ 155.416862][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.421769][ C1] __sys_sendmsg+0x714/0x830 [ 155.426480][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.431503][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.436537][ C1] do_syscall_64+0x9f/0x140 [ 155.441145][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.447189][ C1] ===================================================== [ 155.454330][ C1] ===================================================== [ 155.461361][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 155.468448][ C1] CPU: 1 PID: 8420 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.478894][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.489253][ C1] Call Trace: [ 155.492651][ C1] [ 155.495523][ C1] dump_stack+0x24c/0x2e0 [ 155.500156][ C1] kmsan_report+0xfb/0x1e0 [ 155.504719][ C1] __msan_warning+0x5c/0xa0 [ 155.509426][ C1] ip_rcv_core+0x1068/0x1480 [ 155.514173][ C1] ip_rcv+0xc7/0x820 [ 155.518222][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.523459][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.528866][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.534710][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 155.540496][ C1] process_backlog+0x517/0xbd0 [ 155.545677][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.551287][ C1] __napi_poll+0x13e/0xca0 [ 155.555717][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.561942][ C1] net_rx_action+0x726/0x14a0 [ 155.566634][ C1] ? net_tx_action+0xd30/0xd30 [ 155.571705][ C1] __do_softirq+0x1b9/0x715 [ 155.576368][ C1] ? idle_cpu+0x9a/0x1d0 [ 155.580788][ C1] ? __irq_exit_rcu+0x83/0x280 [ 155.585742][ C1] do_softirq+0x123/0x1c0 [ 155.590113][ C1] [ 155.593145][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 155.598480][ C1] local_bh_enable+0x36/0x40 [ 155.603482][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 155.608547][ C1] dev_queue_xmit+0x4b/0x60 [ 155.613067][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.618391][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.623550][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.628956][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.635265][ C1] ? process_slab+0x13a8/0x1b70 [ 155.640467][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.646490][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.652659][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.657742][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.663800][ C1] __sys_sendmsg+0x714/0x830 [ 155.668914][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.674856][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 155.681583][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.688650][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.694047][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.698869][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.703655][ C1] do_syscall_64+0x9f/0x140 [ 155.708361][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.714422][ C1] RIP: 0033:0x443de9 [ 155.718329][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 155.738659][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.747859][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 155.755865][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 155.764249][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.772315][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 000000000002550a [ 155.780661][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 155.788778][ C1] [ 155.791167][ C1] Uninit was stored to memory at: [ 155.796623][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.802524][ C1] __msan_chain_origin+0x54/0xa0 [ 155.807593][ C1] __ip_local_out+0x479/0x840 [ 155.812315][ C1] ip_local_out+0xa1/0x1e0 [ 155.816900][ C1] iptunnel_xmit+0x931/0xf20 [ 155.821643][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.827082][ C1] geneve_xmit+0x2139/0x3c40 [ 155.831786][ C1] xmit_one+0x2b6/0x760 [ 155.836533][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.842019][ C1] dev_queue_xmit+0x4b/0x60 [ 155.846655][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.851716][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.856792][ C1] __sys_sendmsg+0x714/0x830 [ 155.861584][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.867239][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.872104][ C1] do_syscall_64+0x9f/0x140 [ 155.876927][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.882947][ C1] [ 155.885304][ C1] Uninit was stored to memory at: [ 155.890312][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.896049][ C1] __msan_chain_origin+0x54/0xa0 [ 155.901054][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.905683][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.912283][ C1] geneve_xmit+0x2139/0x3c40 [ 155.917189][ C1] xmit_one+0x2b6/0x760 [ 155.921901][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.927060][ C1] dev_queue_xmit+0x4b/0x60 [ 155.931569][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.936662][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.941838][ C1] __sys_sendmsg+0x714/0x830 [ 155.947026][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.951912][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.957069][ C1] do_syscall_64+0x9f/0x140 [ 155.961957][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.968393][ C1] [ 155.971245][ C1] Uninit was created at: [ 155.975476][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.981343][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.986391][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.992402][ C1] __alloc_skb+0x4dd/0xe90 [ 155.996990][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 156.002408][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.007854][ C1] packet_sendmsg+0x6a12/0x99d0 [ 156.012709][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.017588][ C1] __sys_sendmsg+0x714/0x830 [ 156.022209][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.026900][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.033077][ C1] do_syscall_64+0x9f/0x140 [ 156.037960][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 156.044837][ C1] ===================================================== [ 156.079083][ C1] ===================================================== [ 156.086339][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 156.093535][ C1] CPU: 1 PID: 8421 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.103834][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.114200][ C1] Call Trace: [ 156.117506][ C1] [ 156.120366][ C1] dump_stack+0x24c/0x2e0 [ 156.124932][ C1] kmsan_report+0xfb/0x1e0 [ 156.129480][ C1] __msan_warning+0x5c/0xa0 [ 156.134153][ C1] ip_rcv_core+0xf4c/0x1480 [ 156.138983][ C1] ip_rcv+0xc7/0x820 [ 156.143112][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.148442][ C1] __netif_receive_skb+0x1ec/0x640 [ 156.153833][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.159866][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 156.165816][ C1] process_backlog+0x517/0xbd0 [ 156.170748][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.176261][ C1] __napi_poll+0x13e/0xca0 [ 156.181080][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.187947][ C1] net_rx_action+0x726/0x14a0 [ 156.192696][ C1] ? net_tx_action+0xd30/0xd30 [ 156.197485][ C1] __do_softirq+0x1b9/0x715 [ 156.202163][ C1] ? idle_cpu+0x9a/0x1d0 [ 156.206446][ C1] ? __irq_exit_rcu+0x83/0x280 [ 156.211511][ C1] do_softirq+0x123/0x1c0 [ 156.216125][ C1] [ 156.219490][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 156.225057][ C1] local_bh_enable+0x36/0x40 [ 156.230081][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 156.235654][ C1] dev_queue_xmit+0x4b/0x60 [ 156.240315][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.246428][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.251419][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.257122][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.263104][ C1] ? process_slab+0x13a8/0x1b70 [ 156.268077][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.274078][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.280522][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.285589][ C1] ? packet_getsockopt+0x1120/0x1120 [ 156.291296][ C1] __sys_sendmsg+0x714/0x830 [ 156.296155][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 156.302448][ C1] ? up_read+0x40/0x2b0 [ 156.306727][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.312119][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.318526][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.324007][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.328858][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.333731][ C1] do_syscall_64+0x9f/0x140 [ 156.338689][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.344852][ C1] RIP: 0033:0x443de9 [ 156.348846][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 156.370361][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.379454][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 156.387857][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 156.395932][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.403926][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000025b81 [ 156.412294][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 156.420306][ C1] [ 156.422672][ C1] Uninit was stored to memory at: [ 156.428056][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.434314][ C1] __msan_chain_origin+0x54/0xa0 [ 156.439261][ C1] iptunnel_xmit+0xbd6/0xf20 [ 156.444168][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.449301][ C1] geneve_xmit+0x2139/0x3c40 [ 156.454574][ C1] xmit_one+0x2b6/0x760 [ 156.458923][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.464897][ C1] dev_queue_xmit+0x4b/0x60 [ 156.470190][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.475873][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.481196][ C1] __sys_sendmsg+0x714/0x830 [ 156.485939][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.490718][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.496034][ C1] do_syscall_64+0x9f/0x140 [ 156.501071][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.507987][ C1] [ 156.510575][ C1] Uninit was created at: [ 156.515009][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.521170][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 156.526061][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 156.532479][ C1] __alloc_skb+0x4dd/0xe90 [ 156.537113][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 156.542594][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.548121][ C1] packet_sendmsg+0x6a12/0x99d0 [ 156.553006][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.559455][ C1] __sys_sendmsg+0x714/0x830 [ 156.564396][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.569295][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.574181][ C1] do_syscall_64+0x9f/0x140 [ 156.579017][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.585428][ C1] ===================================================== [ 156.592789][ C1] ===================================================== [ 156.599871][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 156.607304][ C1] CPU: 1 PID: 8421 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.618704][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.629314][ C1] Call Trace: [ 156.633252][ C1] [ 156.636124][ C1] dump_stack+0x24c/0x2e0 [ 156.640996][ C1] kmsan_report+0xfb/0x1e0 [ 156.645459][ C1] __msan_warning+0x5c/0xa0 [ 156.650109][ C1] ip_rcv_core+0xf5d/0x1480 [ 156.654774][ C1] ip_rcv+0xc7/0x820 [ 156.658991][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.665215][ C1] __netif_receive_skb+0x1ec/0x640 [ 156.670466][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.676503][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 156.682758][ C1] process_backlog+0x517/0xbd0 [ 156.687683][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.693295][ C1] __napi_poll+0x13e/0xca0 [ 156.698176][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.704851][ C1] net_rx_action+0x726/0x14a0 [ 156.709599][ C1] ? net_tx_action+0xd30/0xd30 [ 156.714747][ C1] __do_softirq+0x1b9/0x715 [ 156.719435][ C1] ? idle_cpu+0x9a/0x1d0 [ 156.723691][ C1] ? __irq_exit_rcu+0x83/0x280 [ 156.729391][ C1] do_softirq+0x123/0x1c0 [ 156.733807][ C1] [ 156.736747][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 156.742322][ C1] local_bh_enable+0x36/0x40 [ 156.747394][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 156.752697][ C1] dev_queue_xmit+0x4b/0x60 [ 156.757864][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.763701][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.768947][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.774252][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.780471][ C1] ? process_slab+0x13a8/0x1b70 [ 156.785992][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.792261][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.798342][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.803524][ C1] ? packet_getsockopt+0x1120/0x1120 [ 156.809118][ C1] __sys_sendmsg+0x714/0x830 [ 156.814010][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 156.820006][ C1] ? up_read+0x40/0x2b0 [ 156.824554][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.829846][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.835753][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.840969][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.846092][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.850993][ C1] do_syscall_64+0x9f/0x140 [ 156.855884][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.862163][ C1] RIP: 0033:0x443de9 [ 156.866059][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 156.885860][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.894279][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 156.902258][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 156.910441][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.919030][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000025b81 [ 156.927301][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 156.935692][ C1] [ 156.938062][ C1] Uninit was stored to memory at: [ 156.943102][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.949143][ C1] __msan_chain_origin+0x54/0xa0 [ 156.954121][ C1] iptunnel_xmit+0xbd6/0xf20 [ 156.958717][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.963870][ C1] geneve_xmit+0x2139/0x3c40 [ 156.968683][ C1] xmit_one+0x2b6/0x760 [ 156.972976][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.978219][ C1] dev_queue_xmit+0x4b/0x60 [ 156.982967][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.988167][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.993385][ C1] __sys_sendmsg+0x714/0x830 [ 156.998044][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.002801][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.008009][ C1] do_syscall_64+0x9f/0x140 [ 157.012682][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.018781][ C1] [ 157.021116][ C1] Uninit was created at: [ 157.025540][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.031618][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 157.036468][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.042684][ C1] __alloc_skb+0x4dd/0xe90 [ 157.047127][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 157.052533][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 157.058049][ C1] packet_sendmsg+0x6a12/0x99d0 [ 157.063097][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.068652][ C1] __sys_sendmsg+0x714/0x830 [ 157.073909][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.078683][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.083644][ C1] do_syscall_64+0x9f/0x140 [ 157.089376][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.095804][ C1] ===================================================== [ 157.102978][ C1] ===================================================== [ 157.110086][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 157.117237][ C1] CPU: 1 PID: 8421 Comm: syz-executor804 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.127655][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.137856][ C1] Call Trace: [ 157.141218][ C1] [ 157.144185][ C1] dump_stack+0x24c/0x2e0 [ 157.148600][ C1] kmsan_report+0xfb/0x1e0 [ 157.153284][ C1] __msan_warning+0x5c/0xa0 [ 157.157828][ C1] ip_rcv_core+0x1068/0x1480 [ 157.162677][ C1] ip_rcv+0xc7/0x820 [ 157.166752][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.177533][ C1] __netif_receive_skb+0x1ec/0x640 [ 157.183070][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.188851][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 157.194617][ C1] process_backlog+0x517/0xbd0 [ 157.199571][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.205202][ C1] __napi_poll+0x13e/0xca0 [ 157.209851][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.216690][ C1] net_rx_action+0x726/0x14a0 [ 157.222530][ C1] ? net_tx_action+0xd30/0xd30 [ 157.227448][ C1] __do_softirq+0x1b9/0x715 [ 157.232078][ C1] ? idle_cpu+0x9a/0x1d0 [ 157.236359][ C1] ? __irq_exit_rcu+0x83/0x280 [ 157.241184][ C1] do_softirq+0x123/0x1c0 [ 157.245760][ C1] [ 157.248687][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 157.254095][ C1] local_bh_enable+0x36/0x40 [ 157.258954][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 157.263987][ C1] dev_queue_xmit+0x4b/0x60 [ 157.269184][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.275164][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.280559][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.285980][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.291826][ C1] ? process_slab+0x13a8/0x1b70 [ 157.296839][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.302918][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.309039][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.313920][ C1] ? packet_getsockopt+0x1120/0x1120 [ 157.319314][ C1] __sys_sendmsg+0x714/0x830 [ 157.324123][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 157.330369][ C1] ? up_read+0x40/0x2b0 [ 157.334573][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.340067][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.346309][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.351928][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.357168][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.362301][ C1] do_syscall_64+0x9f/0x140 [ 157.366890][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.373090][ C1] RIP: 0033:0x443de9 [ 157.377163][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 157.397583][ C1] RSP: 002b:00007ffcea40db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.406880][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443de9 [ 157.416522][ C1] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000003 [ 157.425136][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.433761][ C1] R10: 00007ffcea40d5e0 R11: 0000000000000246 R12: 0000000000025b81 [ 157.442063][ C1] R13: 00007ffcea40db90 R14: 00007ffcea40db80 R15: 00007ffcea40db74 [ 157.450457][ C1] [ 157.452972][ C1] Uninit was stored to memory at: [ 157.458461][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.464673][ C1] __msan_chain_origin+0x54/0xa0 [ 157.470081][ C1] __ip_local_out+0x479/0x840 [ 157.474789][ C1] ip_local_out+0xa1/0x1e0 [ 157.479375][ C1] iptunnel_xmit+0x931/0xf20 [ 157.484125][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 157.489338][ C1] geneve_xmit+0x2139/0x3c40 [ 157.494153][ C1] xmit_one+0x2b6/0x760 [ 157.498384][ C1] __dev_queue_xmit+0x3432/0x4600 [ 157.503442][ C1] dev_queue_xmit+0x4b/0x60 [ 157.508132][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.513439][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.518433][ C1] __sys_sendmsg+0x714/0x830 [ 157.523025][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.527715][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.532488][ C1] do_syscall_64+0x9f/0x140 [ 157.537033][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.543122][ C1] [ 157.545454][ C1] Uninit was stored to memory at: [ 157.550490][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.556505][ C1] __msan_chain_origin+0x54/0xa0 [ 157.561735][ C1] iptunnel_xmit+0xbd6/0xf20 [ 157.566350][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 157.571689][ C1] geneve_xmit+0x2139/0x3c40 [ 157.576285][ C1] xmit_one+0x2b6/0x760 [ 157.580838][ C1] __dev_queue_xmit+0x3432/0x4600 [ 157.586543][ C1] dev_queue_xmit+0x4b/0x60 [ 157.591506][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.596523][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.601547][ C1] __sys_sendmsg+0x714/0x830 [ 157.606162][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.611357][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.616253][ C1] do_syscall_64+0x9f/0x140 [ 157.620937][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.626825][ C1] [ 157.629328][ C1] Uninit was created at: [ 157.633745][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.639494][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 157.644770][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.650777][ C1] __alloc_skb+0x4dd/0xe90 [ 157.655192][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 157.660508][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 157.665970][ C1] packet_sendmsg+0x6a12/0x99d0 [ 157.670925][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.675991][ C1] __sys_sendmsg+0x714/0x830 [ 157.680599][ C1] __se_sys_sendmsg+0x97/0xb0 executing program [ 157.685334][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.690205][ C1] do_syscall_64+0x9f/0x140 [ 157.694856][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.700772][ C1] =====================================================