[ 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 '10.128.0.76' (ECDSA) to the list of known hosts. syzkaller login: [ 176.013000][ T8226] IPVS: ftp: loaded support on port[0] = 21 [ 176.205249][ T8226] chnl_net:caif_netlink_parms(): no params data found [ 176.306912][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.315336][ T8226] bridge0: port 1(bridge_slave_0) entered disabled state [ 176.325220][ T8226] device bridge_slave_0 entered promiscuous mode [ 176.337003][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.345936][ T8226] bridge0: port 2(bridge_slave_1) entered disabled state [ 176.356235][ T8226] device bridge_slave_1 entered promiscuous mode [ 176.394816][ T8226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 176.408832][ T8226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 176.448997][ T8226] team0: Port device team_slave_0 added [ 176.460173][ T8226] team0: Port device team_slave_1 added [ 176.495250][ T8226] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 176.503126][ T8226] 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. [ 176.530590][ T8226] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 176.547008][ T8226] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 176.555551][ T8226] 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. [ 176.585097][ T8226] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 176.632110][ T8226] device hsr_slave_0 entered promiscuous mode [ 176.641041][ T8226] device hsr_slave_1 entered promiscuous mode [ 176.840050][ T8226] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 176.854847][ T8226] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 176.876508][ T8226] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 176.896542][ T8226] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 176.991054][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.999312][ T8226] bridge0: port 2(bridge_slave_1) entered forwarding state [ 177.009109][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 177.016929][ T8226] bridge0: port 1(bridge_slave_0) entered forwarding state [ 177.102487][ T8226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 177.126387][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 177.138637][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 177.150324][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 177.161486][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 177.183506][ T8226] 8021q: adding VLAN 0 to HW filter on device team0 [ 177.200015][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 177.211424][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 177.221269][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state [ 177.228972][ T8435] bridge0: port 1(bridge_slave_0) entered forwarding state [ 177.247885][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 177.258498][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 177.269291][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 177.277469][ T8435] bridge0: port 2(bridge_slave_1) entered forwarding state [ 177.303583][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 177.315902][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 177.337166][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 177.347932][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 177.363520][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 177.379773][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 177.392856][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 177.413189][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 177.423098][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 177.439744][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 177.451902][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 177.470401][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.506093][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 177.514173][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 177.537154][ T8226] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.574261][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 177.586217][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 177.628764][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 177.640869][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 177.656827][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 177.667263][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 177.681392][ T8226] device veth0_vlan entered promiscuous mode [ 177.704517][ T8226] device veth1_vlan entered promiscuous mode [ 177.749025][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 177.759080][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 177.769365][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 177.780136][ T8435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 177.797860][ T8226] device veth0_macvtap entered promiscuous mode [ 177.813270][ T8226] device veth1_macvtap entered promiscuous mode [ 177.848330][ T8226] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 177.856853][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 177.868221][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 177.878326][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 177.888697][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 177.911104][ T8226] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 177.919355][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 177.931178][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 177.955789][ T8226] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.967398][ T8226] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.979800][ T8226] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.991448][ T8226] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 178.215604][ C0] ===================================================== [ 178.222602][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 178.222602][ C0] CPU: 0 PID: 8437 Comm: syz-executor915 Not tainted 5.12.0-rc6-syzkaller #0 [ 178.234565][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.234565][ C0] Call Trace: [ 178.254997][ C0] [ 178.254997][ C0] dump_stack+0x24c/0x2e0 [ 178.254997][ C0] kmsan_report+0xfb/0x1e0 [ 178.267391][ C0] __msan_warning+0x5c/0xa0 [ 178.274430][ C0] ip_rcv_core+0xf4c/0x1480 [ 178.274430][ C0] ip_rcv+0xc7/0x820 [ 178.283074][ C0] ? kmsan_get_metadata+0x116/0x180 [ 178.283074][ C0] __netif_receive_skb+0x1ec/0x640 [ 178.293697][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.302879][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 178.303322][ C0] process_backlog+0x517/0xbd0 [ 178.313607][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 178.322844][ C0] __napi_poll+0x13e/0xca0 [ 178.322844][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 178.333929][ C0] net_rx_action+0x726/0x14a0 [ 178.333929][ C0] ? net_tx_action+0xd30/0xd30 [ 178.343210][ C0] __do_softirq+0x1b9/0x715 [ 178.343210][ C0] ? idle_cpu+0x9a/0x1d0 [ 178.353541][ C0] ? __irq_exit_rcu+0x83/0x280 [ 178.353541][ C0] do_softirq+0x123/0x1c0 [ 178.362825][ C0] [ 178.362825][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 178.373662][ C0] local_bh_enable+0x36/0x40 [ 178.373662][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 178.383162][ C0] dev_queue_xmit+0x4b/0x60 [ 178.393691][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 178.393691][ C0] packet_sendmsg+0x86ee/0x99d0 [ 178.402800][ C0] ? kmsan_get_metadata+0x116/0x180 [ 178.402800][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.414054][ C0] ? process_slab+0x13a8/0x1b70 [ 178.414054][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 178.423769][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 178.434030][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 178.434030][ C0] ? packet_getsockopt+0x1120/0x1120 [ 178.444591][ C0] __sys_sendmsg+0x714/0x830 [ 178.453646][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.463138][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 178.463138][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 178.473701][ C0] ? kmsan_get_metadata+0x116/0x180 [ 178.473701][ C0] __se_sys_sendmsg+0x97/0xb0 [ 178.483351][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 178.483351][ C0] do_syscall_64+0x9f/0x140 [ 178.493776][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 178.503580][ C0] RIP: 0033:0x443df9 [ 178.503580][ 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 [ 178.522795][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 178.534691][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 178.542819][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 178.553629][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 178.563291][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 00007ffe1c23beb0 [ 178.573678][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 0000000000000003 [ 178.583613][ C0] [ 178.583613][ C0] Uninit was stored to memory at: [ 178.586994][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 178.593605][ C0] __msan_chain_origin+0x54/0xa0 [ 178.602808][ C0] iptunnel_xmit+0xbd6/0xf20 [ 178.602808][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 178.602808][ C0] geneve_xmit+0x2139/0x3c40 [ 178.614358][ C0] xmit_one+0x2b6/0x760 [ 178.614358][ C0] __dev_queue_xmit+0x3432/0x4600 [ 178.622808][ C0] dev_queue_xmit+0x4b/0x60 [ 178.633694][ C0] packet_sendmsg+0x86ee/0x99d0 [ 178.633694][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 178.642838][ C0] __sys_sendmsg+0x714/0x830 [ 178.642838][ C0] __se_sys_sendmsg+0x97/0xb0 [ 178.653672][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 178.653672][ C0] do_syscall_64+0x9f/0x140 [ 178.663139][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 178.663139][ C0] [ 178.673619][ C0] Uninit was created at: [ 178.673619][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 178.682816][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 178.682816][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 178.694052][ C0] __alloc_skb+0x4dd/0xe90 [ 178.694052][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 178.703032][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 178.703032][ C0] packet_sendmsg+0x6a12/0x99d0 [ 178.713647][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 178.713647][ C0] __sys_sendmsg+0x714/0x830 [ 178.722774][ C0] __se_sys_sendmsg+0x97/0xb0 [ 178.722774][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 178.733645][ C0] do_syscall_64+0x9f/0x140 [ 178.733645][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 178.744894][ C0] ===================================================== [ 178.753670][ C0] Disabling lock debugging due to kernel taint [ 178.761054][ C0] ===================================================== [ 178.768309][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 178.770988][ C0] CPU: 0 PID: 8437 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 178.782744][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.782744][ C0] Call Trace: [ 178.782744][ C0] [ 178.782744][ C0] dump_stack+0x24c/0x2e0 [ 178.782744][ C0] kmsan_report+0xfb/0x1e0 [ 178.812839][ C0] __msan_warning+0x5c/0xa0 [ 178.812839][ C0] ip_rcv_core+0xf5d/0x1480 [ 178.812839][ C0] ip_rcv+0xc7/0x820 [ 178.812839][ C0] ? kmsan_get_metadata+0x116/0x180 [ 178.812839][ C0] __netif_receive_skb+0x1ec/0x640 [ 178.812839][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.842728][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 178.842728][ C0] process_backlog+0x517/0xbd0 [ 178.842728][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 178.842728][ C0] __napi_poll+0x13e/0xca0 [ 178.842728][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 178.872829][ C0] net_rx_action+0x726/0x14a0 [ 178.872829][ C0] ? net_tx_action+0xd30/0xd30 [ 178.872829][ C0] __do_softirq+0x1b9/0x715 [ 178.872829][ C0] ? idle_cpu+0x9a/0x1d0 [ 178.872829][ C0] ? __irq_exit_rcu+0x83/0x280 [ 178.872829][ C0] do_softirq+0x123/0x1c0 [ 178.872829][ C0] [ 178.902800][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 178.902800][ C0] local_bh_enable+0x36/0x40 [ 178.902800][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 178.902800][ C0] dev_queue_xmit+0x4b/0x60 [ 178.902800][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 178.932341][ C0] packet_sendmsg+0x86ee/0x99d0 [ 178.937438][ C0] ? kmsan_get_metadata+0x116/0x180 [ 178.942723][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.950087][ C0] ? process_slab+0x13a8/0x1b70 [ 178.957977][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 178.964611][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 178.970808][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 178.974936][ C0] ? packet_getsockopt+0x1120/0x1120 [ 178.982487][ C0] __sys_sendmsg+0x714/0x830 [ 178.983114][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 178.993485][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 178.999962][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 179.006197][ C0] ? kmsan_get_metadata+0x116/0x180 [ 179.012371][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.017534][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.022413][ C0] do_syscall_64+0x9f/0x140 [ 179.026231][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.032386][ C0] RIP: 0033:0x443df9 [ 179.036190][ 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 [ 179.057638][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.066334][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 179.075087][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 179.083862][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 179.093785][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 00007ffe1c23beb0 [ 179.102485][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 0000000000000003 [ 179.109857][ C0] [ 179.112351][ C0] Uninit was stored to memory at: [ 179.117460][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 179.123604][ C0] __msan_chain_origin+0x54/0xa0 [ 179.129916][ C0] iptunnel_xmit+0xbd6/0xf20 [ 179.134946][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 179.139958][ C0] geneve_xmit+0x2139/0x3c40 [ 179.142786][ C0] xmit_one+0x2b6/0x760 [ 179.149075][ C0] __dev_queue_xmit+0x3432/0x4600 [ 179.154858][ C0] dev_queue_xmit+0x4b/0x60 [ 179.158538][ C0] packet_sendmsg+0x86ee/0x99d0 [ 179.163437][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.168402][ C0] __sys_sendmsg+0x714/0x830 [ 179.173818][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.178749][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.183765][ C0] do_syscall_64+0x9f/0x140 [ 179.190012][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.194919][ C0] [ 179.197376][ C0] Uninit was created at: [ 179.202259][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 179.208529][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 179.212297][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 179.219070][ C0] __alloc_skb+0x4dd/0xe90 [ 179.221519][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 179.228659][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 179.234984][ C0] packet_sendmsg+0x6a12/0x99d0 [ 179.240039][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.245034][ C0] __sys_sendmsg+0x714/0x830 [ 179.251260][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.256237][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.261272][ C0] do_syscall_64+0x9f/0x140 [ 179.266144][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.272433][ C0] ===================================================== [ 179.280430][ C0] ===================================================== [ 179.287570][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 179.290286][ C0] CPU: 0 PID: 8437 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 179.303358][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.303358][ C0] Call Trace: [ 179.303358][ C0] [ 179.303358][ C0] dump_stack+0x24c/0x2e0 [ 179.303358][ C0] kmsan_report+0xfb/0x1e0 [ 179.303358][ C0] __msan_warning+0x5c/0xa0 [ 179.332915][ C0] ip_rcv_core+0x1068/0x1480 [ 179.332915][ C0] ip_rcv+0xc7/0x820 [ 179.332915][ C0] ? kmsan_get_metadata+0x116/0x180 [ 179.332915][ C0] __netif_receive_skb+0x1ec/0x640 [ 179.332915][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 179.332915][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 179.362731][ C0] process_backlog+0x517/0xbd0 [ 179.362731][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 179.362731][ C0] __napi_poll+0x13e/0xca0 [ 179.362731][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 179.362731][ C0] net_rx_action+0x726/0x14a0 [ 179.392832][ C0] ? net_tx_action+0xd30/0xd30 [ 179.392832][ C0] __do_softirq+0x1b9/0x715 [ 179.392832][ C0] ? idle_cpu+0x9a/0x1d0 [ 179.407474][ C0] ? __irq_exit_rcu+0x83/0x280 [ 179.412811][ C0] do_softirq+0x123/0x1c0 [ 179.417494][ C0] [ 179.421205][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 179.426239][ C0] local_bh_enable+0x36/0x40 [ 179.431210][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 179.436185][ C0] dev_queue_xmit+0x4b/0x60 [ 179.441133][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 179.446098][ C0] packet_sendmsg+0x86ee/0x99d0 [ 179.452219][ C0] ? kmsan_get_metadata+0x116/0x180 [ 179.457352][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 179.463272][ C0] ? process_slab+0x13a8/0x1b70 [ 179.468667][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 179.474888][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 179.481090][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.486020][ C0] ? packet_getsockopt+0x1120/0x1120 [ 179.491058][ C0] __sys_sendmsg+0x714/0x830 [ 179.496038][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 179.502740][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 179.509766][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 179.514909][ C0] ? kmsan_get_metadata+0x116/0x180 [ 179.521100][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.524806][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.530918][ C0] do_syscall_64+0x9f/0x140 [ 179.535008][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.542493][ C0] RIP: 0033:0x443df9 [ 179.546629][ 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 [ 179.568159][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 179.577426][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 179.586020][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 179.593710][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 179.602816][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 00007ffe1c23beb0 [ 179.610327][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 0000000000000003 [ 179.619859][ C0] [ 179.622349][ C0] Uninit was stored to memory at: [ 179.628675][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 179.636271][ C0] __msan_chain_origin+0x54/0xa0 [ 179.642807][ C0] __ip_local_out+0x479/0x840 [ 179.647998][ C0] ip_local_out+0xa1/0x1e0 [ 179.653929][ C0] iptunnel_xmit+0x931/0xf20 [ 179.658947][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 179.664042][ C0] geneve_xmit+0x2139/0x3c40 [ 179.669028][ C0] xmit_one+0x2b6/0x760 [ 179.673693][ C0] __dev_queue_xmit+0x3432/0x4600 [ 179.679887][ C0] dev_queue_xmit+0x4b/0x60 [ 179.683646][ C0] packet_sendmsg+0x86ee/0x99d0 [ 179.688574][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.695004][ C0] __sys_sendmsg+0x714/0x830 [ 179.699979][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.706267][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.711222][ C0] do_syscall_64+0x9f/0x140 [ 179.716169][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.722357][ C0] [ 179.723599][ C0] Uninit was stored to memory at: [ 179.729735][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 179.735314][ C0] __msan_chain_origin+0x54/0xa0 [ 179.740400][ C0] iptunnel_xmit+0xbd6/0xf20 [ 179.745456][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 179.750371][ C0] geneve_xmit+0x2139/0x3c40 [ 179.755900][ C0] xmit_one+0x2b6/0x760 [ 179.759644][ C0] __dev_queue_xmit+0x3432/0x4600 [ 179.764705][ C0] dev_queue_xmit+0x4b/0x60 [ 179.769661][ C0] packet_sendmsg+0x86ee/0x99d0 [ 179.775040][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.781294][ C0] __sys_sendmsg+0x714/0x830 [ 179.785980][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.790958][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.796174][ C0] do_syscall_64+0x9f/0x140 [ 179.802365][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.807275][ C0] [ 179.811045][ C0] Uninit was created at: [ 179.815086][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 179.821352][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 179.826326][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 179.833846][ C0] __alloc_skb+0x4dd/0xe90 [ 179.838845][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 179.846489][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 179.853831][ C0] packet_sendmsg+0x6a12/0x99d0 [ 179.858851][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 179.864565][ C0] __sys_sendmsg+0x714/0x830 [ 179.869617][ C0] __se_sys_sendmsg+0x97/0xb0 [ 179.874986][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 179.880212][ C0] do_syscall_64+0x9f/0x140 [ 179.885454][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 179.893803][ C0] ===================================================== executing program [ 180.038245][ C0] ===================================================== [ 180.043583][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 180.043583][ C0] CPU: 0 PID: 8440 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 180.043583][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.043583][ C0] Call Trace: [ 180.043583][ C0] [ 180.079516][ C0] dump_stack+0x24c/0x2e0 [ 180.079516][ C0] kmsan_report+0xfb/0x1e0 [ 180.079516][ C0] __msan_warning+0x5c/0xa0 [ 180.079516][ C0] ip_rcv_core+0xf4c/0x1480 [ 180.079516][ C0] ip_rcv+0xc7/0x820 [ 180.079516][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.079516][ C0] __netif_receive_skb+0x1ec/0x640 [ 180.079516][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.079516][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 180.079516][ C0] process_backlog+0x517/0xbd0 [ 180.141584][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 180.141584][ C0] __napi_poll+0x13e/0xca0 [ 180.141584][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 180.141584][ C0] net_rx_action+0x726/0x14a0 [ 180.141584][ C0] ? net_tx_action+0xd30/0xd30 [ 180.141584][ C0] __do_softirq+0x1b9/0x715 [ 180.141584][ C0] ? idle_cpu+0x9a/0x1d0 [ 180.141584][ C0] ? __irq_exit_rcu+0x83/0x280 [ 180.141584][ C0] do_softirq+0x123/0x1c0 [ 180.141584][ C0] [ 180.141584][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 180.141584][ C0] local_bh_enable+0x36/0x40 [ 180.141584][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 180.141584][ C0] dev_queue_xmit+0x4b/0x60 [ 180.141584][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 180.141584][ C0] packet_sendmsg+0x86ee/0x99d0 [ 180.141584][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.141584][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.141584][ C0] ? process_slab+0x13a8/0x1b70 [ 180.141584][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 180.141584][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 180.141584][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.141584][ C0] ? packet_getsockopt+0x1120/0x1120 [ 180.141584][ C0] __sys_sendmsg+0x714/0x830 [ 180.141584][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.141584][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 180.141584][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 180.141584][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.141584][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.141584][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.141584][ C0] do_syscall_64+0x9f/0x140 [ 180.141584][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.141584][ C0] RIP: 0033:0x443df9 [ 180.141584][ 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 [ 180.141584][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.141584][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 180.141584][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 180.141584][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 180.141584][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002b83f [ 180.393351][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 180.393351][ C0] [ 180.393351][ C0] Uninit was stored to memory at: [ 180.393351][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 180.393351][ C0] __msan_chain_origin+0x54/0xa0 [ 180.393351][ C0] iptunnel_xmit+0xbd6/0xf20 [ 180.393351][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 180.393351][ C0] geneve_xmit+0x2139/0x3c40 [ 180.393351][ C0] xmit_one+0x2b6/0x760 [ 180.393351][ C0] __dev_queue_xmit+0x3432/0x4600 [ 180.393351][ C0] dev_queue_xmit+0x4b/0x60 [ 180.393351][ C0] packet_sendmsg+0x86ee/0x99d0 [ 180.393351][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.393351][ C0] __sys_sendmsg+0x714/0x830 [ 180.393351][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.393351][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.393351][ C0] do_syscall_64+0x9f/0x140 [ 180.393351][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.393351][ C0] [ 180.393351][ C0] Uninit was created at: [ 180.393351][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 180.393351][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 180.393351][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 180.393351][ C0] __alloc_skb+0x4dd/0xe90 [ 180.393351][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 180.393351][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 180.393351][ C0] packet_sendmsg+0x6a12/0x99d0 [ 180.393351][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.393351][ C0] __sys_sendmsg+0x714/0x830 [ 180.393351][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.393351][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.393351][ C0] do_syscall_64+0x9f/0x140 [ 180.393351][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.393351][ C0] ===================================================== [ 180.575709][ C0] ===================================================== [ 180.582914][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 180.585659][ C0] CPU: 0 PID: 8440 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 180.585659][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.585659][ C0] Call Trace: [ 180.585659][ C0] [ 180.585659][ C0] dump_stack+0x24c/0x2e0 [ 180.620363][ C0] kmsan_report+0xfb/0x1e0 [ 180.627024][ C0] __msan_warning+0x5c/0xa0 [ 180.627024][ C0] ip_rcv_core+0xf5d/0x1480 [ 180.627024][ C0] ip_rcv+0xc7/0x820 [ 180.627024][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.627024][ C0] __netif_receive_skb+0x1ec/0x640 [ 180.627024][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.627024][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 180.627024][ C0] process_backlog+0x517/0xbd0 [ 180.627024][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 180.627024][ C0] __napi_poll+0x13e/0xca0 [ 180.627024][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 180.627024][ C0] net_rx_action+0x726/0x14a0 [ 180.627024][ C0] ? net_tx_action+0xd30/0xd30 [ 180.627024][ C0] __do_softirq+0x1b9/0x715 [ 180.627024][ C0] ? idle_cpu+0x9a/0x1d0 [ 180.627024][ C0] ? __irq_exit_rcu+0x83/0x280 [ 180.627024][ C0] do_softirq+0x123/0x1c0 [ 180.627024][ C0] [ 180.627024][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 180.627024][ C0] local_bh_enable+0x36/0x40 [ 180.627024][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 180.627024][ C0] dev_queue_xmit+0x4b/0x60 [ 180.627024][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 180.627024][ C0] packet_sendmsg+0x86ee/0x99d0 [ 180.627024][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.627024][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.627024][ C0] ? process_slab+0x13a8/0x1b70 [ 180.627024][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 180.627024][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 180.627024][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.627024][ C0] ? packet_getsockopt+0x1120/0x1120 [ 180.627024][ C0] __sys_sendmsg+0x714/0x830 [ 180.627024][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 180.627024][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 180.627024][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 180.627024][ C0] ? kmsan_get_metadata+0x116/0x180 [ 180.627024][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.627024][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.627024][ C0] do_syscall_64+0x9f/0x140 [ 180.627024][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.627024][ C0] RIP: 0033:0x443df9 [ 180.627024][ 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 [ 180.627024][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 180.627024][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 180.627024][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 180.627024][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 180.627024][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002b83f [ 180.627024][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 180.627024][ C0] [ 180.627024][ C0] Uninit was stored to memory at: [ 180.627024][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 180.627024][ C0] __msan_chain_origin+0x54/0xa0 [ 180.627024][ C0] iptunnel_xmit+0xbd6/0xf20 [ 180.627024][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 180.627024][ C0] geneve_xmit+0x2139/0x3c40 [ 180.627024][ C0] xmit_one+0x2b6/0x760 [ 180.627024][ C0] __dev_queue_xmit+0x3432/0x4600 [ 180.627024][ C0] dev_queue_xmit+0x4b/0x60 [ 180.627024][ C0] packet_sendmsg+0x86ee/0x99d0 [ 180.627024][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.627024][ C0] __sys_sendmsg+0x714/0x830 [ 180.627024][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.627024][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.627024][ C0] do_syscall_64+0x9f/0x140 [ 180.627024][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.627024][ C0] [ 180.627024][ C0] Uninit was created at: [ 180.627024][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 180.627024][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 180.627024][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 180.627024][ C0] __alloc_skb+0x4dd/0xe90 [ 180.627024][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 180.627024][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 180.627024][ C0] packet_sendmsg+0x6a12/0x99d0 [ 180.627024][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 180.627024][ C0] __sys_sendmsg+0x714/0x830 [ 180.627024][ C0] __se_sys_sendmsg+0x97/0xb0 [ 180.627024][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 180.627024][ C0] do_syscall_64+0x9f/0x140 [ 180.627024][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 180.627024][ C0] ===================================================== [ 181.066780][ C0] ===================================================== [ 181.073780][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 181.076608][ C0] CPU: 0 PID: 8440 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 181.076608][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.076608][ C0] Call Trace: [ 181.076608][ C0] [ 181.076608][ C0] dump_stack+0x24c/0x2e0 [ 181.076608][ C0] kmsan_report+0xfb/0x1e0 [ 181.076608][ C0] __msan_warning+0x5c/0xa0 [ 181.076608][ C0] ip_rcv_core+0x1068/0x1480 [ 181.076608][ C0] ip_rcv+0xc7/0x820 [ 181.076608][ C0] ? kmsan_get_metadata+0x116/0x180 [ 181.076608][ C0] __netif_receive_skb+0x1ec/0x640 [ 181.076608][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.076608][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 181.076608][ C0] process_backlog+0x517/0xbd0 [ 181.076608][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 181.076608][ C0] __napi_poll+0x13e/0xca0 [ 181.076608][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 181.076608][ C0] net_rx_action+0x726/0x14a0 [ 181.076608][ C0] ? net_tx_action+0xd30/0xd30 [ 181.076608][ C0] __do_softirq+0x1b9/0x715 [ 181.076608][ C0] ? idle_cpu+0x9a/0x1d0 [ 181.076608][ C0] ? __irq_exit_rcu+0x83/0x280 [ 181.076608][ C0] do_softirq+0x123/0x1c0 [ 181.202103][ C0] [ 181.204559][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 181.209458][ C0] local_bh_enable+0x36/0x40 [ 181.214404][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 181.219315][ C0] dev_queue_xmit+0x4b/0x60 [ 181.221769][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 181.229993][ C0] packet_sendmsg+0x86ee/0x99d0 [ 181.233841][ C0] ? kmsan_get_metadata+0x116/0x180 [ 181.239984][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.246151][ C0] ? process_slab+0x13a8/0x1b70 [ 181.251078][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 181.257196][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 181.263380][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 181.268322][ C0] ? packet_getsockopt+0x1120/0x1120 [ 181.273227][ C0] __sys_sendmsg+0x714/0x830 [ 181.279382][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.284407][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 181.290560][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 181.296676][ C0] ? kmsan_get_metadata+0x116/0x180 [ 181.303029][ C0] __se_sys_sendmsg+0x97/0xb0 [ 181.307933][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 181.311680][ C0] do_syscall_64+0x9f/0x140 [ 181.317097][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.323216][ C0] RIP: 0033:0x443df9 [ 181.326900][ 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 [ 181.346748][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.355101][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 181.363694][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 181.371174][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 181.378790][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002b83f [ 181.387350][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 181.395901][ C0] [ 181.397122][ C0] Uninit was stored to memory at: [ 181.403293][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 181.408276][ C0] __msan_chain_origin+0x54/0xa0 [ 181.413173][ C0] __ip_local_out+0x479/0x840 [ 181.418088][ C0] ip_local_out+0xa1/0x1e0 [ 181.423094][ C0] iptunnel_xmit+0x931/0xf20 [ 181.428004][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 181.433056][ C0] geneve_xmit+0x2139/0x3c40 [ 181.436751][ C0] xmit_one+0x2b6/0x760 [ 181.441647][ C0] __dev_queue_xmit+0x3432/0x4600 [ 181.447091][ C0] dev_queue_xmit+0x4b/0x60 [ 181.450768][ C0] packet_sendmsg+0x86ee/0x99d0 [ 181.455670][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 181.460570][ C0] __sys_sendmsg+0x714/0x830 [ 181.461781][ C0] __se_sys_sendmsg+0x97/0xb0 [ 181.470514][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 181.475449][ C0] do_syscall_64+0x9f/0x140 [ 181.479186][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.485493][ C0] [ 181.487938][ C0] Uninit was stored to memory at: [ 181.492918][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 181.499095][ C0] __msan_chain_origin+0x54/0xa0 [ 181.504199][ C0] iptunnel_xmit+0xbd6/0xf20 [ 181.507888][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 181.514195][ C0] geneve_xmit+0x2139/0x3c40 [ 181.517856][ C0] xmit_one+0x2b6/0x760 [ 181.522968][ C0] __dev_queue_xmit+0x3432/0x4600 [ 181.527969][ C0] dev_queue_xmit+0x4b/0x60 [ 181.531640][ C0] packet_sendmsg+0x86ee/0x99d0 [ 181.536611][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 181.541793][ C0] __sys_sendmsg+0x714/0x830 [ 181.548567][ C0] __se_sys_sendmsg+0x97/0xb0 [ 181.553503][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 181.558406][ C0] do_syscall_64+0x9f/0x140 [ 181.562900][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.568268][ C0] [ 181.570759][ C0] Uninit was created at: [ 181.574605][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 181.580827][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 181.585802][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 181.591947][ C0] __alloc_skb+0x4dd/0xe90 [ 181.596867][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 181.601758][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 181.606745][ C0] packet_sendmsg+0x6a12/0x99d0 [ 181.611654][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 181.616663][ C0] __sys_sendmsg+0x714/0x830 [ 181.621574][ C0] __se_sys_sendmsg+0x97/0xb0 [ 181.625479][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 181.630395][ C0] do_syscall_64+0x9f/0x140 [ 181.635488][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 181.641704][ C0] ===================================================== [ 181.711433][ C1] ===================================================== [ 181.712706][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 181.712706][ C1] CPU: 1 PID: 8441 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 181.712706][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.712706][ C1] Call Trace: [ 181.748920][ C1] [ 181.748920][ C1] dump_stack+0x24c/0x2e0 [ 181.748920][ C1] kmsan_report+0xfb/0x1e0 [ 181.748920][ C1] __msan_warning+0x5c/0xa0 [ 181.748920][ C1] ip_rcv_core+0xf4c/0x1480 [ 181.748920][ C1] ip_rcv+0xc7/0x820 [ 181.748920][ C1] ? kmsan_get_metadata+0x116/0x180 [ 181.748920][ C1] __netif_receive_skb+0x1ec/0x640 [ 181.748920][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.748920][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 181.748920][ C1] process_backlog+0x517/0xbd0 [ 181.748920][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 181.748920][ C1] __napi_poll+0x13e/0xca0 [ 181.748920][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 181.748920][ C1] net_rx_action+0x726/0x14a0 [ 181.748920][ C1] ? net_tx_action+0xd30/0xd30 [ 181.748920][ C1] __do_softirq+0x1b9/0x715 [ 181.748920][ C1] ? idle_cpu+0x9a/0x1d0 [ 181.748920][ C1] ? __irq_exit_rcu+0x83/0x280 [ 181.748920][ C1] do_softirq+0x123/0x1c0 [ 181.748920][ C1] [ 181.748920][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 181.748920][ C1] local_bh_enable+0x36/0x40 [ 181.748920][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 181.748920][ C1] dev_queue_xmit+0x4b/0x60 [ 181.748920][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 181.748920][ C1] packet_sendmsg+0x86ee/0x99d0 [ 181.748920][ C1] ? kmsan_get_metadata+0x116/0x180 [ 181.748920][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.748920][ C1] ? process_slab+0x13a8/0x1b70 [ 181.748920][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 181.748920][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 181.748920][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 181.748920][ C1] ? packet_getsockopt+0x1120/0x1120 [ 181.748920][ C1] __sys_sendmsg+0x714/0x830 [ 181.748920][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.748920][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 181.748920][ C1] ? kmsan_get_metadata+0x116/0x180 [ 181.748920][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 181.748920][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 181.748920][ C1] __se_sys_sendmsg+0x97/0xb0 [ 181.748920][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 181.748920][ C1] do_syscall_64+0x9f/0x140 [ 181.748920][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.748920][ C1] RIP: 0033:0x443df9 [ 181.748920][ 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 [ 181.748920][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 181.748920][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 181.748920][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 181.748920][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 181.748920][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002bf68 [ 181.748920][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 181.748920][ C1] [ 181.748920][ C1] Uninit was stored to memory at: [ 181.748920][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 181.748920][ C1] __msan_chain_origin+0x54/0xa0 [ 181.748920][ C1] iptunnel_xmit+0xbd6/0xf20 [ 181.748920][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 181.748920][ C1] geneve_xmit+0x2139/0x3c40 [ 181.748920][ C1] xmit_one+0x2b6/0x760 [ 181.748920][ C1] __dev_queue_xmit+0x3432/0x4600 [ 181.748920][ C1] dev_queue_xmit+0x4b/0x60 [ 181.748920][ C1] packet_sendmsg+0x86ee/0x99d0 [ 181.748920][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 181.748920][ C1] __sys_sendmsg+0x714/0x830 [ 181.748920][ C1] __se_sys_sendmsg+0x97/0xb0 [ 181.748920][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 181.748920][ C1] do_syscall_64+0x9f/0x140 [ 181.748920][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.748920][ C1] [ 181.748920][ C1] Uninit was created at: [ 181.748920][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 181.748920][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 181.748920][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 181.748920][ C1] __alloc_skb+0x4dd/0xe90 [ 181.748920][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 181.748920][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 181.748920][ C1] packet_sendmsg+0x6a12/0x99d0 [ 181.748920][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 181.748920][ C1] __sys_sendmsg+0x714/0x830 [ 181.748920][ C1] __se_sys_sendmsg+0x97/0xb0 [ 181.748920][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 181.748920][ C1] do_syscall_64+0x9f/0x140 [ 181.748920][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 181.748920][ C1] ===================================================== [ 182.204149][ C1] ===================================================== [ 182.211336][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 182.214081][ C1] CPU: 1 PID: 8441 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 182.214081][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.214081][ C1] Call Trace: [ 182.214081][ C1] [ 182.214081][ C1] dump_stack+0x24c/0x2e0 [ 182.214081][ C1] kmsan_report+0xfb/0x1e0 [ 182.214081][ C1] __msan_warning+0x5c/0xa0 [ 182.214081][ C1] ip_rcv_core+0xf5d/0x1480 [ 182.214081][ C1] ip_rcv+0xc7/0x820 [ 182.214081][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.214081][ C1] __netif_receive_skb+0x1ec/0x640 [ 182.214081][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.214081][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 182.214081][ C1] process_backlog+0x517/0xbd0 [ 182.214081][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 182.214081][ C1] __napi_poll+0x13e/0xca0 [ 182.214081][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 182.214081][ C1] net_rx_action+0x726/0x14a0 [ 182.214081][ C1] ? net_tx_action+0xd30/0xd30 [ 182.214081][ C1] __do_softirq+0x1b9/0x715 [ 182.214081][ C1] ? idle_cpu+0x9a/0x1d0 [ 182.214081][ C1] ? __irq_exit_rcu+0x83/0x280 [ 182.214081][ C1] do_softirq+0x123/0x1c0 [ 182.214081][ C1] [ 182.214081][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 182.214081][ C1] local_bh_enable+0x36/0x40 [ 182.214081][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 182.214081][ C1] dev_queue_xmit+0x4b/0x60 [ 182.214081][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 182.214081][ C1] packet_sendmsg+0x86ee/0x99d0 [ 182.214081][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.214081][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.214081][ C1] ? process_slab+0x13a8/0x1b70 [ 182.214081][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 182.214081][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 182.214081][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 182.214081][ C1] ? packet_getsockopt+0x1120/0x1120 [ 182.214081][ C1] __sys_sendmsg+0x714/0x830 [ 182.214081][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.214081][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 182.214081][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.214081][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.214081][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 182.214081][ C1] __se_sys_sendmsg+0x97/0xb0 [ 182.214081][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 182.214081][ C1] do_syscall_64+0x9f/0x140 [ 182.214081][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 182.214081][ C1] RIP: 0033:0x443df9 [ 182.214081][ 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 [ 182.214081][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 182.214081][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 182.214081][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 182.214081][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 182.214081][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002bf68 [ 182.214081][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 182.214081][ C1] [ 182.214081][ C1] Uninit was stored to memory at: [ 182.214081][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 182.214081][ C1] __msan_chain_origin+0x54/0xa0 [ 182.214081][ C1] iptunnel_xmit+0xbd6/0xf20 [ 182.214081][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 182.214081][ C1] geneve_xmit+0x2139/0x3c40 [ 182.214081][ C1] xmit_one+0x2b6/0x760 [ 182.214081][ C1] __dev_queue_xmit+0x3432/0x4600 [ 182.214081][ C1] dev_queue_xmit+0x4b/0x60 [ 182.214081][ C1] packet_sendmsg+0x86ee/0x99d0 [ 182.214081][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 182.214081][ C1] __sys_sendmsg+0x714/0x830 [ 182.214081][ C1] __se_sys_sendmsg+0x97/0xb0 [ 182.214081][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 182.214081][ C1] do_syscall_64+0x9f/0x140 [ 182.214081][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 182.214081][ C1] [ 182.214081][ C1] Uninit was created at: [ 182.214081][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 182.214081][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 182.214081][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 182.214081][ C1] __alloc_skb+0x4dd/0xe90 [ 182.214081][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 182.214081][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 182.214081][ C1] packet_sendmsg+0x6a12/0x99d0 [ 182.214081][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 182.214081][ C1] __sys_sendmsg+0x714/0x830 [ 182.214081][ C1] __se_sys_sendmsg+0x97/0xb0 [ 182.214081][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 182.214081][ C1] do_syscall_64+0x9f/0x140 [ 182.214081][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 182.214081][ C1] ===================================================== [ 182.708709][ C1] ===================================================== [ 182.715961][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 182.718614][ C1] CPU: 1 PID: 8441 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 182.718614][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.718614][ C1] Call Trace: [ 182.718614][ C1] [ 182.718614][ C1] dump_stack+0x24c/0x2e0 [ 182.718614][ C1] kmsan_report+0xfb/0x1e0 [ 182.718614][ C1] __msan_warning+0x5c/0xa0 [ 182.718614][ C1] ip_rcv_core+0x1068/0x1480 [ 182.718614][ C1] ip_rcv+0xc7/0x820 [ 182.718614][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.718614][ C1] __netif_receive_skb+0x1ec/0x640 [ 182.718614][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.718614][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 182.718614][ C1] process_backlog+0x517/0xbd0 [ 182.718614][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 182.718614][ C1] __napi_poll+0x13e/0xca0 [ 182.718614][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 182.718614][ C1] net_rx_action+0x726/0x14a0 [ 182.718614][ C1] ? net_tx_action+0xd30/0xd30 [ 182.824063][ C1] __do_softirq+0x1b9/0x715 [ 182.828988][ C1] ? idle_cpu+0x9a/0x1d0 [ 182.832805][ C1] ? __irq_exit_rcu+0x83/0x280 [ 182.837746][ C1] do_softirq+0x123/0x1c0 [ 182.842797][ C1] [ 182.845258][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 182.850225][ C1] local_bh_enable+0x36/0x40 [ 182.855235][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 182.861419][ C1] dev_queue_xmit+0x4b/0x60 [ 182.865186][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 182.871307][ C1] packet_sendmsg+0x86ee/0x99d0 [ 182.876197][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.881095][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.887218][ C1] ? process_slab+0x13a8/0x1b70 [ 182.892120][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 182.897122][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 182.903283][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 182.908168][ C1] ? packet_getsockopt+0x1120/0x1120 [ 182.914343][ C1] __sys_sendmsg+0x714/0x830 [ 182.919252][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.924289][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 182.931758][ C1] ? kmsan_get_metadata+0x116/0x180 [ 182.936597][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 182.942783][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 182.949002][ C1] __se_sys_sendmsg+0x97/0xb0 [ 182.952762][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 182.957685][ C1] do_syscall_64+0x9f/0x140 [ 182.962598][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 182.968740][ C1] RIP: 0033:0x443df9 [ 182.972408][ 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 [ 182.992137][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 183.001926][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 183.009337][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 183.017998][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 183.026623][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002bf68 [ 183.034174][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 183.042856][ C1] [ 183.045382][ C1] Uninit was stored to memory at: [ 183.050366][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 183.055343][ C1] __msan_chain_origin+0x54/0xa0 [ 183.061593][ C1] __ip_local_out+0x479/0x840 [ 183.066537][ C1] ip_local_out+0xa1/0x1e0 [ 183.070216][ C1] iptunnel_xmit+0x931/0xf20 [ 183.075232][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 183.081352][ C1] geneve_xmit+0x2139/0x3c40 [ 183.085028][ C1] xmit_one+0x2b6/0x760 [ 183.089933][ C1] __dev_queue_xmit+0x3432/0x4600 [ 183.094824][ C1] dev_queue_xmit+0x4b/0x60 [ 183.099805][ C1] packet_sendmsg+0x86ee/0x99d0 [ 183.103808][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 183.108799][ C1] __sys_sendmsg+0x714/0x830 [ 183.113702][ C1] __se_sys_sendmsg+0x97/0xb0 [ 183.118619][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 183.123509][ C1] do_syscall_64+0x9f/0x140 [ 183.127184][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.133352][ C1] [ 183.135801][ C1] Uninit was stored to memory at: [ 183.140683][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 183.146781][ C1] __msan_chain_origin+0x54/0xa0 [ 183.151665][ C1] iptunnel_xmit+0xbd6/0xf20 [ 183.157753][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 183.162722][ C1] geneve_xmit+0x2139/0x3c40 [ 183.167671][ C1] xmit_one+0x2b6/0x760 [ 183.171380][ C1] __dev_queue_xmit+0x3432/0x4600 [ 183.176339][ C1] dev_queue_xmit+0x4b/0x60 [ 183.181241][ C1] packet_sendmsg+0x86ee/0x99d0 [ 183.186250][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 183.194910][ C1] __sys_sendmsg+0x714/0x830 [ 183.198614][ C1] __se_sys_sendmsg+0x97/0xb0 [ 183.203563][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 183.208453][ C1] do_syscall_64+0x9f/0x140 [ 183.213336][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.219486][ C1] [ 183.221916][ C1] Uninit was created at: [ 183.226823][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 183.231728][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 183.236633][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 183.242796][ C1] __alloc_skb+0x4dd/0xe90 [ 183.246467][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 183.252582][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 183.257484][ C1] packet_sendmsg+0x6a12/0x99d0 [ 183.262423][ C1] ____sys_sendmsg+0xcfc/0x12f0 executing program [ 183.267396][ C1] __sys_sendmsg+0x714/0x830 [ 183.272256][ C1] __se_sys_sendmsg+0x97/0xb0 [ 183.277163][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 183.282051][ C1] do_syscall_64+0x9f/0x140 [ 183.285712][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.291807][ C1] ===================================================== [ 183.338820][ C0] ===================================================== [ 183.342615][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 183.342615][ C0] CPU: 0 PID: 8442 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 183.342615][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.342615][ C0] Call Trace: [ 183.342615][ C0] [ 183.342615][ C0] dump_stack+0x24c/0x2e0 [ 183.342615][ C0] kmsan_report+0xfb/0x1e0 [ 183.342615][ C0] __msan_warning+0x5c/0xa0 [ 183.342615][ C0] ip_rcv_core+0xf4c/0x1480 [ 183.342615][ C0] ip_rcv+0xc7/0x820 [ 183.342615][ C0] ? kmsan_get_metadata+0x116/0x180 [ 183.342615][ C0] __netif_receive_skb+0x1ec/0x640 [ 183.342615][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 183.342615][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 183.342615][ C0] process_backlog+0x517/0xbd0 [ 183.342615][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 183.342615][ C0] __napi_poll+0x13e/0xca0 [ 183.342615][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 183.342615][ C0] net_rx_action+0x726/0x14a0 [ 183.342615][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 183.342615][ C0] ? net_tx_action+0xd30/0xd30 [ 183.342615][ C0] __do_softirq+0x1b9/0x715 [ 183.342615][ C0] ? idle_cpu+0x9a/0x1d0 [ 183.342615][ C0] ? __irq_exit_rcu+0x83/0x280 [ 183.342615][ C0] do_softirq+0x123/0x1c0 [ 183.342615][ C0] [ 183.342615][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 183.342615][ C0] local_bh_enable+0x36/0x40 [ 183.342615][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 183.342615][ C0] dev_queue_xmit+0x4b/0x60 [ 183.342615][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 183.342615][ C0] packet_sendmsg+0x86ee/0x99d0 [ 183.342615][ C0] ? kmsan_get_metadata+0x116/0x180 [ 183.342615][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 183.342615][ C0] ? process_slab+0x13a8/0x1b70 [ 183.525646][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 183.525646][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 183.525646][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 183.525646][ C0] ? packet_getsockopt+0x1120/0x1120 [ 183.525646][ C0] __sys_sendmsg+0x714/0x830 [ 183.525646][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 183.560939][ C0] ? up_read+0x40/0x2b0 [ 183.564614][ C0] ? kmsan_get_metadata+0x116/0x180 [ 183.569528][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 183.576167][ C0] ? kmsan_get_metadata+0x116/0x180 [ 183.581075][ C0] __se_sys_sendmsg+0x97/0xb0 [ 183.585973][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 183.590878][ C0] do_syscall_64+0x9f/0x140 [ 183.594977][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.601130][ C0] RIP: 0033:0x443df9 [ 183.604814][ 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 [ 183.625174][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 183.633805][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 183.642730][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 183.649687][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 183.658560][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002c601 [ 183.665891][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 183.674898][ C0] [ 183.676124][ C0] Uninit was stored to memory at: [ 183.682234][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 183.687128][ C0] __msan_chain_origin+0x54/0xa0 [ 183.692035][ C0] iptunnel_xmit+0xbd6/0xf20 [ 183.696499][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 183.702788][ C0] geneve_xmit+0x2139/0x3c40 [ 183.706266][ C0] xmit_one+0x2b6/0x760 [ 183.711151][ C0] __dev_queue_xmit+0x3432/0x4600 [ 183.716141][ C0] dev_queue_xmit+0x4b/0x60 [ 183.721023][ C0] packet_sendmsg+0x86ee/0x99d0 [ 183.725991][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 183.730903][ C0] __sys_sendmsg+0x714/0x830 [ 183.734946][ C0] __se_sys_sendmsg+0x97/0xb0 [ 183.739859][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 183.744759][ C0] do_syscall_64+0x9f/0x140 [ 183.749689][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.754999][ C0] [ 183.757447][ C0] Uninit was created at: [ 183.762339][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 183.767257][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 183.774906][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 183.781041][ C0] __alloc_skb+0x4dd/0xe90 [ 183.784720][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 183.789728][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 183.794905][ C0] packet_sendmsg+0x6a12/0x99d0 [ 183.799795][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 183.805951][ C0] __sys_sendmsg+0x714/0x830 [ 183.810883][ C0] __se_sys_sendmsg+0x97/0xb0 [ 183.814899][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 183.819792][ C0] do_syscall_64+0x9f/0x140 [ 183.824798][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 183.829706][ C0] ===================================================== [ 183.838646][ C0] ===================================================== [ 183.845598][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 183.848584][ C0] CPU: 0 PID: 8442 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 183.848584][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.863235][ C0] Call Trace: [ 183.863235][ C0] [ 183.863235][ C0] dump_stack+0x24c/0x2e0 [ 183.863235][ C0] kmsan_report+0xfb/0x1e0 [ 183.863235][ C0] __msan_warning+0x5c/0xa0 [ 183.892849][ C0] ip_rcv_core+0xf5d/0x1480 [ 183.892849][ C0] ip_rcv+0xc7/0x820 [ 183.892849][ C0] ? kmsan_get_metadata+0x116/0x180 [ 183.892849][ C0] __netif_receive_skb+0x1ec/0x640 [ 183.892849][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 183.892849][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 183.922742][ C0] process_backlog+0x517/0xbd0 [ 183.922742][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 183.922742][ C0] __napi_poll+0x13e/0xca0 [ 183.922742][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 183.922742][ C0] net_rx_action+0x726/0x14a0 [ 183.922742][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 183.952857][ C0] ? net_tx_action+0xd30/0xd30 [ 183.952857][ C0] __do_softirq+0x1b9/0x715 [ 183.952857][ C0] ? idle_cpu+0x9a/0x1d0 [ 183.967975][ C0] ? __irq_exit_rcu+0x83/0x280 [ 183.973660][ C0] do_softirq+0x123/0x1c0 [ 183.977321][ C0] [ 183.980995][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 183.985894][ C0] local_bh_enable+0x36/0x40 [ 183.989560][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 183.994872][ C0] dev_queue_xmit+0x4b/0x60 [ 183.999765][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 184.004702][ C0] packet_sendmsg+0x86ee/0x99d0 [ 184.009574][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.014917][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.021086][ C0] ? process_slab+0x13a8/0x1b70 [ 184.026001][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.032179][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 184.037389][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.042777][ C0] ? packet_getsockopt+0x1120/0x1120 [ 184.048497][ C0] __sys_sendmsg+0x714/0x830 [ 184.053701][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 184.059914][ C0] ? up_read+0x40/0x2b0 [ 184.063624][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.068519][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.074988][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.079936][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.084857][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.089781][ C0] do_syscall_64+0x9f/0x140 [ 184.094897][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.099784][ C0] RIP: 0033:0x443df9 [ 184.104730][ 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 [ 184.124724][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 184.133702][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 184.142250][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 184.149779][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 184.158661][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002c601 [ 184.166027][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 184.173885][ C0] [ 184.176361][ C0] Uninit was stored to memory at: [ 184.181343][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 184.187439][ C0] __msan_chain_origin+0x54/0xa0 [ 184.192329][ C0] iptunnel_xmit+0xbd6/0xf20 [ 184.197337][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 184.202744][ C0] geneve_xmit+0x2139/0x3c40 [ 184.207155][ C0] xmit_one+0x2b6/0x760 [ 184.210819][ C0] __dev_queue_xmit+0x3432/0x4600 [ 184.216561][ C0] dev_queue_xmit+0x4b/0x60 [ 184.221469][ C0] packet_sendmsg+0x86ee/0x99d0 [ 184.226514][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.231453][ C0] __sys_sendmsg+0x714/0x830 [ 184.236096][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.241030][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.245937][ C0] do_syscall_64+0x9f/0x140 [ 184.249637][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.256104][ C0] [ 184.258551][ C0] Uninit was created at: [ 184.262762][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 184.268387][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 184.272116][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 184.278556][ C0] __alloc_skb+0x4dd/0xe90 [ 184.283457][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 184.288345][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 184.293730][ C0] packet_sendmsg+0x6a12/0x99d0 [ 184.298661][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.303618][ C0] __sys_sendmsg+0x714/0x830 [ 184.308509][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.312176][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.317375][ C0] do_syscall_64+0x9f/0x140 [ 184.322741][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.328453][ C0] ===================================================== [ 184.336435][ C0] ===================================================== [ 184.343593][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 184.346261][ C0] CPU: 0 PID: 8442 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 184.346261][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.346261][ C0] Call Trace: [ 184.346261][ C0] [ 184.346261][ C0] dump_stack+0x24c/0x2e0 [ 184.346261][ C0] kmsan_report+0xfb/0x1e0 [ 184.346261][ C0] __msan_warning+0x5c/0xa0 [ 184.346261][ C0] ip_rcv_core+0x1068/0x1480 [ 184.346261][ C0] ip_rcv+0xc7/0x820 [ 184.346261][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.346261][ C0] __netif_receive_skb+0x1ec/0x640 [ 184.346261][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.346261][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 184.346261][ C0] process_backlog+0x517/0xbd0 [ 184.422782][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 184.422782][ C0] __napi_poll+0x13e/0xca0 [ 184.422782][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 184.422782][ C0] net_rx_action+0x726/0x14a0 [ 184.422782][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.452766][ C0] ? net_tx_action+0xd30/0xd30 [ 184.452766][ C0] __do_softirq+0x1b9/0x715 [ 184.462784][ C0] ? idle_cpu+0x9a/0x1d0 [ 184.467333][ C0] ? __irq_exit_rcu+0x83/0x280 [ 184.472200][ C0] do_softirq+0x123/0x1c0 [ 184.475908][ C0] [ 184.479618][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 184.483993][ C0] local_bh_enable+0x36/0x40 [ 184.488954][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 184.494202][ C0] dev_queue_xmit+0x4b/0x60 [ 184.499081][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 184.504728][ C0] packet_sendmsg+0x86ee/0x99d0 [ 184.509676][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.514517][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.520676][ C0] ? process_slab+0x13a8/0x1b70 [ 184.524835][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.531016][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 184.537178][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.542124][ C0] ? packet_getsockopt+0x1120/0x1120 [ 184.547263][ C0] __sys_sendmsg+0x714/0x830 [ 184.552217][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 184.558393][ C0] ? up_read+0x40/0x2b0 [ 184.562080][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.567277][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.573397][ C0] ? kmsan_get_metadata+0x116/0x180 [ 184.578354][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.583638][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.588526][ C0] do_syscall_64+0x9f/0x140 [ 184.593001][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.598328][ C0] RIP: 0033:0x443df9 [ 184.602783][ 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 [ 184.622784][ C0] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 184.631051][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 184.638401][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 184.647378][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 184.654821][ C0] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002c601 [ 184.664856][ C0] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 184.672760][ C0] [ 184.674717][ C0] Uninit was stored to memory at: [ 184.679607][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 184.684833][ C0] __msan_chain_origin+0x54/0xa0 [ 184.690956][ C0] __ip_local_out+0x479/0x840 [ 184.695856][ C0] ip_local_out+0xa1/0x1e0 [ 184.700808][ C0] iptunnel_xmit+0x931/0xf20 [ 184.704818][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 184.709725][ C0] geneve_xmit+0x2139/0x3c40 [ 184.714688][ C0] xmit_one+0x2b6/0x760 [ 184.719560][ C0] __dev_queue_xmit+0x3432/0x4600 [ 184.724837][ C0] dev_queue_xmit+0x4b/0x60 [ 184.729780][ C0] packet_sendmsg+0x86ee/0x99d0 [ 184.734682][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.739636][ C0] __sys_sendmsg+0x714/0x830 [ 184.743974][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.748916][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.753925][ C0] do_syscall_64+0x9f/0x140 [ 184.757620][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.763771][ C0] [ 184.766220][ C0] Uninit was stored to memory at: [ 184.771143][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 184.778569][ C0] __msan_chain_origin+0x54/0xa0 [ 184.782825][ C0] iptunnel_xmit+0xbd6/0xf20 [ 184.787394][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 184.793529][ C0] geneve_xmit+0x2139/0x3c40 [ 184.797244][ C0] xmit_one+0x2b6/0x760 [ 184.802214][ C0] __dev_queue_xmit+0x3432/0x4600 [ 184.807391][ C0] dev_queue_xmit+0x4b/0x60 [ 184.812755][ C0] packet_sendmsg+0x86ee/0x99d0 [ 184.817216][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.822783][ C0] __sys_sendmsg+0x714/0x830 [ 184.827323][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.832936][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.837193][ C0] do_syscall_64+0x9f/0x140 [ 184.842155][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.848643][ C0] [ 184.851120][ C0] Uninit was created at: [ 184.856017][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 184.862800][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 184.867275][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 184.877347][ C0] __alloc_skb+0x4dd/0xe90 [ 184.882314][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 184.887358][ C0] sock_alloc_send_pskb+0xdc1/0xf90 executing program [ 184.892942][ C0] packet_sendmsg+0x6a12/0x99d0 [ 184.897266][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 184.902786][ C0] __sys_sendmsg+0x714/0x830 [ 184.907451][ C0] __se_sys_sendmsg+0x97/0xb0 [ 184.912953][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 184.917346][ C0] do_syscall_64+0x9f/0x140 [ 184.922230][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.927414][ C0] ===================================================== [ 184.987868][ C1] ===================================================== [ 184.992629][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 184.992629][ C1] CPU: 1 PID: 8443 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 184.992629][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.992629][ C1] Call Trace: [ 184.992629][ C1] [ 184.992629][ C1] dump_stack+0x24c/0x2e0 [ 184.992629][ C1] kmsan_report+0xfb/0x1e0 [ 184.992629][ C1] __msan_warning+0x5c/0xa0 [ 184.992629][ C1] ip_rcv_core+0xf4c/0x1480 [ 184.992629][ C1] ip_rcv+0xc7/0x820 [ 184.992629][ C1] ? kmsan_get_metadata+0x116/0x180 [ 184.992629][ C1] __netif_receive_skb+0x1ec/0x640 [ 184.992629][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.992629][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 184.992629][ C1] process_backlog+0x517/0xbd0 [ 184.992629][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 184.992629][ C1] __napi_poll+0x13e/0xca0 [ 184.992629][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 184.992629][ C1] net_rx_action+0x726/0x14a0 [ 184.992629][ C1] ? net_tx_action+0xd30/0xd30 [ 184.992629][ C1] __do_softirq+0x1b9/0x715 [ 184.992629][ C1] ? idle_cpu+0x9a/0x1d0 [ 184.992629][ C1] ? __irq_exit_rcu+0x83/0x280 [ 184.992629][ C1] do_softirq+0x123/0x1c0 [ 184.992629][ C1] [ 184.992629][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 184.992629][ C1] local_bh_enable+0x36/0x40 [ 184.992629][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 184.992629][ C1] dev_queue_xmit+0x4b/0x60 [ 184.992629][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 184.992629][ C1] packet_sendmsg+0x86ee/0x99d0 [ 184.992629][ C1] ? kmsan_get_metadata+0x116/0x180 [ 184.992629][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.992629][ C1] ? process_slab+0x13a8/0x1b70 [ 184.992629][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 184.992629][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 184.992629][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 184.992629][ C1] ? packet_getsockopt+0x1120/0x1120 [ 184.992629][ C1] __sys_sendmsg+0x714/0x830 [ 184.992629][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 184.992629][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 184.992629][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 184.992629][ C1] ? kmsan_get_metadata+0x116/0x180 [ 184.992629][ C1] __se_sys_sendmsg+0x97/0xb0 [ 184.992629][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 184.992629][ C1] do_syscall_64+0x9f/0x140 [ 184.992629][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.992629][ C1] RIP: 0033:0x443df9 [ 184.992629][ 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 [ 184.992629][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 184.992629][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 184.992629][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 184.992629][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 184.992629][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002cc57 [ 184.992629][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 184.992629][ C1] [ 184.992629][ C1] Uninit was stored to memory at: [ 184.992629][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 184.992629][ C1] __msan_chain_origin+0x54/0xa0 [ 184.992629][ C1] iptunnel_xmit+0xbd6/0xf20 [ 184.992629][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 184.992629][ C1] geneve_xmit+0x2139/0x3c40 [ 184.992629][ C1] xmit_one+0x2b6/0x760 [ 184.992629][ C1] __dev_queue_xmit+0x3432/0x4600 [ 184.992629][ C1] dev_queue_xmit+0x4b/0x60 [ 184.992629][ C1] packet_sendmsg+0x86ee/0x99d0 [ 184.992629][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 184.992629][ C1] __sys_sendmsg+0x714/0x830 [ 184.992629][ C1] __se_sys_sendmsg+0x97/0xb0 [ 184.992629][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 184.992629][ C1] do_syscall_64+0x9f/0x140 [ 184.992629][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.992629][ C1] [ 184.992629][ C1] Uninit was created at: [ 184.992629][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 184.992629][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 184.992629][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 184.992629][ C1] __alloc_skb+0x4dd/0xe90 [ 184.992629][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 184.992629][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 184.992629][ C1] packet_sendmsg+0x6a12/0x99d0 [ 184.992629][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 184.992629][ C1] __sys_sendmsg+0x714/0x830 [ 184.992629][ C1] __se_sys_sendmsg+0x97/0xb0 [ 184.992629][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 184.992629][ C1] do_syscall_64+0x9f/0x140 [ 184.992629][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 184.992629][ C1] ===================================================== [ 185.485222][ C1] ===================================================== [ 185.492722][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 185.495156][ C1] CPU: 1 PID: 8443 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 185.500635][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.500635][ C1] Call Trace: [ 185.500635][ C1] [ 185.500635][ C1] dump_stack+0x24c/0x2e0 [ 185.500635][ C1] kmsan_report+0xfb/0x1e0 [ 185.500635][ C1] __msan_warning+0x5c/0xa0 [ 185.500635][ C1] ip_rcv_core+0xf5d/0x1480 [ 185.500635][ C1] ip_rcv+0xc7/0x820 [ 185.500635][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.500635][ C1] __netif_receive_skb+0x1ec/0x640 [ 185.500635][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.500635][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 185.500635][ C1] process_backlog+0x517/0xbd0 [ 185.500635][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 185.500635][ C1] __napi_poll+0x13e/0xca0 [ 185.500635][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 185.500635][ C1] net_rx_action+0x726/0x14a0 [ 185.500635][ C1] ? net_tx_action+0xd30/0xd30 [ 185.500635][ C1] __do_softirq+0x1b9/0x715 [ 185.500635][ C1] ? idle_cpu+0x9a/0x1d0 [ 185.611332][ C1] ? __irq_exit_rcu+0x83/0x280 [ 185.611332][ C1] do_softirq+0x123/0x1c0 [ 185.611332][ C1] [ 185.611332][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 185.611332][ C1] local_bh_enable+0x36/0x40 [ 185.611332][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 185.611332][ C1] dev_queue_xmit+0x4b/0x60 [ 185.611332][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 185.611332][ C1] packet_sendmsg+0x86ee/0x99d0 [ 185.611332][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.611332][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.611332][ C1] ? process_slab+0x13a8/0x1b70 [ 185.611332][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 185.611332][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 185.611332][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.611332][ C1] ? packet_getsockopt+0x1120/0x1120 [ 185.611332][ C1] __sys_sendmsg+0x714/0x830 [ 185.611332][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.611332][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 185.611332][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 185.611332][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.611332][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.611332][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.611332][ C1] do_syscall_64+0x9f/0x140 [ 185.611332][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.611332][ C1] RIP: 0033:0x443df9 [ 185.611332][ 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 [ 185.611332][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 185.611332][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 185.611332][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 185.611332][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 185.611332][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002cc57 [ 185.611332][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 185.611332][ C1] [ 185.611332][ C1] Uninit was stored to memory at: [ 185.611332][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 185.611332][ C1] __msan_chain_origin+0x54/0xa0 [ 185.611332][ C1] iptunnel_xmit+0xbd6/0xf20 [ 185.611332][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 185.611332][ C1] geneve_xmit+0x2139/0x3c40 [ 185.611332][ C1] xmit_one+0x2b6/0x760 [ 185.611332][ C1] __dev_queue_xmit+0x3432/0x4600 [ 185.611332][ C1] dev_queue_xmit+0x4b/0x60 [ 185.611332][ C1] packet_sendmsg+0x86ee/0x99d0 [ 185.611332][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.611332][ C1] __sys_sendmsg+0x714/0x830 [ 185.611332][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.611332][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.611332][ C1] do_syscall_64+0x9f/0x140 [ 185.611332][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.611332][ C1] [ 185.611332][ C1] Uninit was created at: [ 185.611332][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 185.611332][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 185.611332][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 185.611332][ C1] __alloc_skb+0x4dd/0xe90 [ 185.611332][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 185.611332][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 185.611332][ C1] packet_sendmsg+0x6a12/0x99d0 [ 185.611332][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.611332][ C1] __sys_sendmsg+0x714/0x830 [ 185.611332][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.611332][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.611332][ C1] do_syscall_64+0x9f/0x140 [ 185.611332][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.611332][ C1] ===================================================== [ 185.977827][ C1] ===================================================== [ 185.984921][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 185.987774][ C1] CPU: 1 PID: 8443 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 185.987774][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 185.987774][ C1] Call Trace: [ 185.987774][ C1] [ 185.987774][ C1] dump_stack+0x24c/0x2e0 [ 185.987774][ C1] kmsan_report+0xfb/0x1e0 [ 185.987774][ C1] __msan_warning+0x5c/0xa0 [ 185.987774][ C1] ip_rcv_core+0x1068/0x1480 [ 185.987774][ C1] ip_rcv+0xc7/0x820 [ 185.987774][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.987774][ C1] __netif_receive_skb+0x1ec/0x640 [ 185.987774][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.987774][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 185.987774][ C1] process_backlog+0x517/0xbd0 [ 185.987774][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 185.987774][ C1] __napi_poll+0x13e/0xca0 [ 185.987774][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 185.987774][ C1] net_rx_action+0x726/0x14a0 [ 185.987774][ C1] ? net_tx_action+0xd30/0xd30 [ 185.987774][ C1] __do_softirq+0x1b9/0x715 [ 185.987774][ C1] ? idle_cpu+0x9a/0x1d0 [ 185.987774][ C1] ? __irq_exit_rcu+0x83/0x280 [ 185.987774][ C1] do_softirq+0x123/0x1c0 [ 185.987774][ C1] [ 185.987774][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 185.987774][ C1] local_bh_enable+0x36/0x40 [ 185.987774][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 185.987774][ C1] dev_queue_xmit+0x4b/0x60 [ 185.987774][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 185.987774][ C1] packet_sendmsg+0x86ee/0x99d0 [ 185.987774][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.987774][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.987774][ C1] ? process_slab+0x13a8/0x1b70 [ 185.987774][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 185.987774][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 185.987774][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.987774][ C1] ? packet_getsockopt+0x1120/0x1120 [ 185.987774][ C1] __sys_sendmsg+0x714/0x830 [ 185.987774][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 185.987774][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 185.987774][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 185.987774][ C1] ? kmsan_get_metadata+0x116/0x180 [ 185.987774][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.987774][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.987774][ C1] do_syscall_64+0x9f/0x140 [ 185.987774][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.987774][ C1] RIP: 0033:0x443df9 [ 185.987774][ 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 [ 185.987774][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 185.987774][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 185.987774][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 185.987774][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 185.987774][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002cc57 [ 185.987774][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 185.987774][ C1] [ 185.987774][ C1] Uninit was stored to memory at: [ 185.987774][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 185.987774][ C1] __msan_chain_origin+0x54/0xa0 [ 185.987774][ C1] __ip_local_out+0x479/0x840 [ 185.987774][ C1] ip_local_out+0xa1/0x1e0 [ 185.987774][ C1] iptunnel_xmit+0x931/0xf20 [ 185.987774][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 185.987774][ C1] geneve_xmit+0x2139/0x3c40 [ 185.987774][ C1] xmit_one+0x2b6/0x760 [ 185.987774][ C1] __dev_queue_xmit+0x3432/0x4600 [ 185.987774][ C1] dev_queue_xmit+0x4b/0x60 [ 185.987774][ C1] packet_sendmsg+0x86ee/0x99d0 [ 185.987774][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.987774][ C1] __sys_sendmsg+0x714/0x830 [ 185.987774][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.987774][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.987774][ C1] do_syscall_64+0x9f/0x140 [ 185.987774][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.987774][ C1] [ 185.987774][ C1] Uninit was stored to memory at: [ 185.987774][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 185.987774][ C1] __msan_chain_origin+0x54/0xa0 [ 185.987774][ C1] iptunnel_xmit+0xbd6/0xf20 [ 185.987774][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 185.987774][ C1] geneve_xmit+0x2139/0x3c40 [ 185.987774][ C1] xmit_one+0x2b6/0x760 [ 185.987774][ C1] __dev_queue_xmit+0x3432/0x4600 [ 185.987774][ C1] dev_queue_xmit+0x4b/0x60 [ 185.987774][ C1] packet_sendmsg+0x86ee/0x99d0 [ 185.987774][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.987774][ C1] __sys_sendmsg+0x714/0x830 [ 185.987774][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.987774][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 185.987774][ C1] do_syscall_64+0x9f/0x140 [ 185.987774][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.987774][ C1] [ 185.987774][ C1] Uninit was created at: [ 185.987774][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 185.987774][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 185.987774][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 185.987774][ C1] __alloc_skb+0x4dd/0xe90 [ 185.987774][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 185.987774][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 185.987774][ C1] packet_sendmsg+0x6a12/0x99d0 [ 185.987774][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 185.987774][ C1] __sys_sendmsg+0x714/0x830 [ 185.987774][ C1] __se_sys_sendmsg+0x97/0xb0 [ 185.987774][ C1] __x64_sys_sendmsg+0x4a/0x70 executing program [ 185.987774][ C1] do_syscall_64+0x9f/0x140 [ 185.987774][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 185.987774][ C1] ===================================================== [ 186.624128][ C1] ===================================================== [ 186.631092][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 186.632631][ C1] CPU: 1 PID: 8444 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 186.632631][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 186.632631][ C1] Call Trace: [ 186.632631][ C1] [ 186.632631][ C1] dump_stack+0x24c/0x2e0 [ 186.632631][ C1] kmsan_report+0xfb/0x1e0 [ 186.632631][ C1] __msan_warning+0x5c/0xa0 [ 186.632631][ C1] ip_rcv_core+0xf4c/0x1480 [ 186.632631][ C1] ip_rcv+0xc7/0x820 [ 186.632631][ C1] ? kmsan_get_metadata+0x116/0x180 [ 186.632631][ C1] __netif_receive_skb+0x1ec/0x640 [ 186.632631][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 186.632631][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 186.632631][ C1] process_backlog+0x517/0xbd0 [ 186.632631][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 186.632631][ C1] __napi_poll+0x13e/0xca0 [ 186.632631][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 186.632631][ C1] net_rx_action+0x726/0x14a0 [ 186.632631][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 186.632631][ C1] ? net_tx_action+0xd30/0xd30 [ 186.632631][ C1] __do_softirq+0x1b9/0x715 [ 186.632631][ C1] ? idle_cpu+0x9a/0x1d0 [ 186.632631][ C1] ? __irq_exit_rcu+0x83/0x280 [ 186.632631][ C1] do_softirq+0x123/0x1c0 [ 186.632631][ C1] [ 186.632631][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 186.632631][ C1] local_bh_enable+0x36/0x40 [ 186.632631][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 186.632631][ C1] dev_queue_xmit+0x4b/0x60 [ 186.632631][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 186.632631][ C1] packet_sendmsg+0x86ee/0x99d0 [ 186.632631][ C1] ? kmsan_get_metadata+0x116/0x180 [ 186.632631][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 186.632631][ C1] ? process_slab+0x13a8/0x1b70 [ 186.632631][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 186.632631][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 186.632631][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 186.632631][ C1] ? packet_getsockopt+0x1120/0x1120 [ 186.632631][ C1] __sys_sendmsg+0x714/0x830 [ 186.632631][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 186.632631][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 186.632631][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 186.632631][ C1] ? kmsan_get_metadata+0x116/0x180 [ 186.632631][ C1] __se_sys_sendmsg+0x97/0xb0 [ 186.632631][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 186.632631][ C1] do_syscall_64+0x9f/0x140 [ 186.632631][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 186.632631][ C1] RIP: 0033:0x443df9 [ 186.632631][ 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 [ 186.632631][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 186.632631][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 186.632631][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 186.632631][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 186.632631][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002d2cc [ 186.632631][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 186.632631][ C1] [ 186.632631][ C1] Uninit was stored to memory at: [ 186.632631][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 186.632631][ C1] __msan_chain_origin+0x54/0xa0 [ 186.632631][ C1] iptunnel_xmit+0xbd6/0xf20 [ 186.632631][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 186.632631][ C1] geneve_xmit+0x2139/0x3c40 [ 186.632631][ C1] xmit_one+0x2b6/0x760 [ 186.632631][ C1] __dev_queue_xmit+0x3432/0x4600 [ 186.632631][ C1] dev_queue_xmit+0x4b/0x60 [ 186.632631][ C1] packet_sendmsg+0x86ee/0x99d0 [ 186.632631][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 186.632631][ C1] __sys_sendmsg+0x714/0x830 [ 186.632631][ C1] __se_sys_sendmsg+0x97/0xb0 [ 186.632631][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 186.632631][ C1] do_syscall_64+0x9f/0x140 [ 186.632631][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 186.632631][ C1] [ 186.632631][ C1] Uninit was created at: [ 186.632631][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 186.632631][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 186.632631][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 186.632631][ C1] __alloc_skb+0x4dd/0xe90 [ 186.632631][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 186.632631][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 186.632631][ C1] packet_sendmsg+0x6a12/0x99d0 [ 186.632631][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 186.632631][ C1] __sys_sendmsg+0x714/0x830 [ 186.632631][ C1] __se_sys_sendmsg+0x97/0xb0 [ 186.632631][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 186.632631][ C1] do_syscall_64+0x9f/0x140 [ 186.632631][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 186.632631][ C1] ===================================================== [ 187.125783][ C1] ===================================================== [ 187.133751][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 187.135857][ C1] CPU: 1 PID: 8444 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 187.135857][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.135857][ C1] Call Trace: [ 187.135857][ C1] [ 187.135857][ C1] dump_stack+0x24c/0x2e0 [ 187.135857][ C1] kmsan_report+0xfb/0x1e0 [ 187.135857][ C1] __msan_warning+0x5c/0xa0 [ 187.135857][ C1] ip_rcv_core+0xf5d/0x1480 [ 187.135857][ C1] ip_rcv+0xc7/0x820 [ 187.135857][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.135857][ C1] __netif_receive_skb+0x1ec/0x640 [ 187.135857][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.135857][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 187.135857][ C1] process_backlog+0x517/0xbd0 [ 187.135857][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 187.135857][ C1] __napi_poll+0x13e/0xca0 [ 187.135857][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 187.135857][ C1] net_rx_action+0x726/0x14a0 [ 187.135857][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 187.135857][ C1] ? net_tx_action+0xd30/0xd30 [ 187.135857][ C1] __do_softirq+0x1b9/0x715 [ 187.135857][ C1] ? idle_cpu+0x9a/0x1d0 [ 187.135857][ C1] ? __irq_exit_rcu+0x83/0x280 [ 187.135857][ C1] do_softirq+0x123/0x1c0 [ 187.135857][ C1] [ 187.135857][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 187.135857][ C1] local_bh_enable+0x36/0x40 [ 187.135857][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 187.135857][ C1] dev_queue_xmit+0x4b/0x60 [ 187.135857][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 187.135857][ C1] packet_sendmsg+0x86ee/0x99d0 [ 187.135857][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.135857][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.135857][ C1] ? process_slab+0x13a8/0x1b70 [ 187.135857][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 187.135857][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 187.135857][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.135857][ C1] ? packet_getsockopt+0x1120/0x1120 [ 187.135857][ C1] __sys_sendmsg+0x714/0x830 [ 187.135857][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.135857][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 187.135857][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 187.135857][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.135857][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.135857][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.135857][ C1] do_syscall_64+0x9f/0x140 [ 187.135857][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.135857][ C1] RIP: 0033:0x443df9 [ 187.135857][ 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 [ 187.135857][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 187.135857][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 187.135857][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 187.135857][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 187.135857][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002d2cc [ 187.135857][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 187.135857][ C1] [ 187.135857][ C1] Uninit was stored to memory at: [ 187.135857][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 187.135857][ C1] __msan_chain_origin+0x54/0xa0 [ 187.135857][ C1] iptunnel_xmit+0xbd6/0xf20 [ 187.135857][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 187.135857][ C1] geneve_xmit+0x2139/0x3c40 [ 187.135857][ C1] xmit_one+0x2b6/0x760 [ 187.135857][ C1] __dev_queue_xmit+0x3432/0x4600 [ 187.135857][ C1] dev_queue_xmit+0x4b/0x60 [ 187.135857][ C1] packet_sendmsg+0x86ee/0x99d0 [ 187.135857][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.135857][ C1] __sys_sendmsg+0x714/0x830 [ 187.135857][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.135857][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.135857][ C1] do_syscall_64+0x9f/0x140 [ 187.135857][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.135857][ C1] [ 187.135857][ C1] Uninit was created at: [ 187.135857][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 187.135857][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 187.135857][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 187.135857][ C1] __alloc_skb+0x4dd/0xe90 [ 187.135857][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 187.135857][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 187.135857][ C1] packet_sendmsg+0x6a12/0x99d0 [ 187.135857][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.135857][ C1] __sys_sendmsg+0x714/0x830 [ 187.135857][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.135857][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.135857][ C1] do_syscall_64+0x9f/0x140 [ 187.135857][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.135857][ C1] ===================================================== [ 187.625610][ C1] ===================================================== [ 187.632581][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 187.635525][ C1] CPU: 1 PID: 8444 Comm: syz-executor915 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 187.635525][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.635525][ C1] Call Trace: [ 187.635525][ C1] [ 187.635525][ C1] dump_stack+0x24c/0x2e0 [ 187.635525][ C1] kmsan_report+0xfb/0x1e0 [ 187.635525][ C1] __msan_warning+0x5c/0xa0 [ 187.635525][ C1] ip_rcv_core+0x1068/0x1480 [ 187.635525][ C1] ip_rcv+0xc7/0x820 [ 187.635525][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.635525][ C1] __netif_receive_skb+0x1ec/0x640 [ 187.635525][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.635525][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 187.635525][ C1] process_backlog+0x517/0xbd0 [ 187.635525][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 187.635525][ C1] __napi_poll+0x13e/0xca0 [ 187.635525][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 187.635525][ C1] net_rx_action+0x726/0x14a0 [ 187.635525][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 187.635525][ C1] ? net_tx_action+0xd30/0xd30 [ 187.635525][ C1] __do_softirq+0x1b9/0x715 [ 187.635525][ C1] ? idle_cpu+0x9a/0x1d0 [ 187.635525][ C1] ? __irq_exit_rcu+0x83/0x280 [ 187.635525][ C1] do_softirq+0x123/0x1c0 [ 187.635525][ C1] [ 187.635525][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 187.635525][ C1] local_bh_enable+0x36/0x40 [ 187.635525][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 187.635525][ C1] dev_queue_xmit+0x4b/0x60 [ 187.635525][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 187.635525][ C1] packet_sendmsg+0x86ee/0x99d0 [ 187.635525][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.635525][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.635525][ C1] ? process_slab+0x13a8/0x1b70 [ 187.635525][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 187.635525][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 187.635525][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.635525][ C1] ? packet_getsockopt+0x1120/0x1120 [ 187.635525][ C1] __sys_sendmsg+0x714/0x830 [ 187.635525][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 187.635525][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 187.635525][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 187.635525][ C1] ? kmsan_get_metadata+0x116/0x180 [ 187.635525][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.635525][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.635525][ C1] do_syscall_64+0x9f/0x140 [ 187.635525][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.635525][ C1] RIP: 0033:0x443df9 [ 187.635525][ 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 [ 187.635525][ C1] RSP: 002b:00007ffe1c23be78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 187.635525][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 187.635525][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 187.635525][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 187.635525][ C1] R10: 00007ffe1c23b8f0 R11: 0000000000000246 R12: 000000000002d2cc [ 187.635525][ C1] R13: 00007ffe1c23bea0 R14: 00007ffe1c23be90 R15: 00007ffe1c23be84 [ 187.635525][ C1] [ 187.635525][ C1] Uninit was stored to memory at: [ 187.635525][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 187.635525][ C1] __msan_chain_origin+0x54/0xa0 [ 187.635525][ C1] __ip_local_out+0x479/0x840 [ 187.635525][ C1] ip_local_out+0xa1/0x1e0 [ 187.635525][ C1] iptunnel_xmit+0x931/0xf20 [ 187.635525][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 187.635525][ C1] geneve_xmit+0x2139/0x3c40 [ 187.635525][ C1] xmit_one+0x2b6/0x760 [ 187.635525][ C1] __dev_queue_xmit+0x3432/0x4600 [ 187.635525][ C1] dev_queue_xmit+0x4b/0x60 [ 187.635525][ C1] packet_sendmsg+0x86ee/0x99d0 [ 187.635525][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.635525][ C1] __sys_sendmsg+0x714/0x830 [ 187.635525][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.635525][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.635525][ C1] do_syscall_64+0x9f/0x140 [ 187.635525][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.635525][ C1] [ 187.635525][ C1] Uninit was stored to memory at: [ 187.635525][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 187.635525][ C1] __msan_chain_origin+0x54/0xa0 [ 187.635525][ C1] iptunnel_xmit+0xbd6/0xf20 [ 187.635525][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 187.635525][ C1] geneve_xmit+0x2139/0x3c40 [ 187.635525][ C1] xmit_one+0x2b6/0x760 [ 187.635525][ C1] __dev_queue_xmit+0x3432/0x4600 [ 187.635525][ C1] dev_queue_xmit+0x4b/0x60 [ 187.635525][ C1] packet_sendmsg+0x86ee/0x99d0 [ 187.635525][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.635525][ C1] __sys_sendmsg+0x714/0x830 [ 187.635525][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.635525][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.635525][ C1] do_syscall_64+0x9f/0x140 [ 187.635525][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.635525][ C1] [ 187.635525][ C1] Uninit was created at: [ 187.635525][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 187.635525][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 187.635525][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 187.635525][ C1] __alloc_skb+0x4dd/0xe90 [ 187.635525][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 187.635525][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 187.635525][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 187.635525][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 187.635525][ C1] __sys_sendmsg+0x714/0x830 [ 187.635525][ C1] __se_sys_sendmsg+0x97/0xb0 [ 187.635525][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 187.635525][ C1] do_syscall_64+0x9f/0x140 [ 187.635525][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 187.635525][ C1] =====================================================