Warning: Permanently added '10.128.15.224' (ECDSA) to the list of known hosts. syzkaller login: [ 138.017967][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 138.174147][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 138.259339][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.266788][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.276622][ T8223] device bridge_slave_0 entered promiscuous mode [ 138.288013][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.295379][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.304952][ T8223] device bridge_slave_1 entered promiscuous mode [ 138.336666][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 138.351043][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 138.383748][ T8223] team0: Port device team_slave_0 added [ 138.393859][ T8223] team0: Port device team_slave_1 added [ 138.424257][ T8223] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 138.431771][ T8223] 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. [ 138.459016][ T8223] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 138.472330][ T8223] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 138.479850][ T8223] 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. [ 138.506358][ T8223] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 138.546881][ T8223] device hsr_slave_0 entered promiscuous mode [ 138.554444][ T8223] device hsr_slave_1 entered promiscuous mode [ 138.726545][ T8223] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 138.739054][ T8223] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 138.756033][ T8223] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 138.772835][ T8223] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 138.854223][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.861702][ T8223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 138.869530][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.876990][ T8223] bridge0: port 1(bridge_slave_0) entered forwarding state [ 138.951991][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 138.972227][ T1977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 138.983771][ T1977] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.994154][ T1977] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.004895][ T1977] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 139.022480][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 139.037940][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 139.047104][ T58] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.054935][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.072112][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 139.081655][ T8432] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.089190][ T8432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.120800][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 139.132752][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 139.148876][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 139.160438][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 139.178374][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 139.187990][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 139.204728][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 139.215095][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 139.233196][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 139.267333][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 139.275585][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 139.296775][ T8223] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 139.330114][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 139.339756][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 139.371639][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 139.381086][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 139.394685][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 139.403660][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 139.416241][ T8223] device veth0_vlan entered promiscuous mode [ 139.435397][ T8223] device veth1_vlan entered promiscuous mode [ 139.474250][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 139.483762][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 139.493724][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 139.503812][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 139.520187][ T8223] device veth0_macvtap entered promiscuous mode [ 139.535406][ T8223] device veth1_macvtap entered promiscuous mode [ 139.568306][ T8223] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 139.576077][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 139.585772][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 139.595255][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 139.605562][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 139.625113][ T8223] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 139.633261][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 139.644043][ T4673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 139.660937][ T8223] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.670206][ T8223] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.680429][ T8223] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.689680][ T8223] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 139.853562][ C0] ===================================================== [ 139.860926][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 139.867947][ C0] CPU: 0 PID: 8434 Comm: syz-executor893 Not tainted 5.12.0-rc6-syzkaller #0 [ 139.877190][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.887619][ C0] Call Trace: [ 139.891029][ C0] [ 139.893877][ C0] dump_stack+0x24c/0x2e0 [ 139.898310][ C0] kmsan_report+0xfb/0x1e0 [ 139.902741][ C0] __msan_warning+0x5c/0xa0 [ 139.907368][ C0] ip_rcv_core+0xf4c/0x1480 [ 139.911903][ C0] ip_rcv+0xc7/0x820 [ 139.915957][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.921332][ C0] __netif_receive_skb+0x1ec/0x640 [ 139.926466][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.932095][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 139.937987][ C0] process_backlog+0x517/0xbd0 [ 139.944207][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 139.949923][ C0] __napi_poll+0x13e/0xca0 [ 139.954613][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.961184][ C0] net_rx_action+0x726/0x14a0 [ 139.965956][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.971853][ C0] ? net_tx_action+0xd30/0xd30 [ 139.977114][ C0] __do_softirq+0x1b9/0x715 [ 139.981647][ C0] ? idle_cpu+0x9a/0x1d0 [ 139.986055][ C0] ? __irq_exit_rcu+0x83/0x280 [ 139.991181][ C0] do_softirq+0x123/0x1c0 [ 139.995619][ C0] [ 139.998645][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 140.005146][ C0] local_bh_enable+0x36/0x40 [ 140.009910][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 140.015017][ C0] dev_queue_xmit+0x4b/0x60 [ 140.019548][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.024855][ C0] packet_sendmsg+0x86ee/0x99d0 [ 140.029836][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.035148][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.040781][ C0] ? process_slab+0x13a8/0x1b70 [ 140.045724][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.051538][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.057620][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.062491][ C0] ? packet_getsockopt+0x1120/0x1120 [ 140.067829][ C0] __sys_sendmsg+0x714/0x830 [ 140.072454][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 140.078973][ C0] ? up_read+0x40/0x2b0 [ 140.083137][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.088341][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.094141][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.099355][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.104052][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.108919][ C0] do_syscall_64+0x9f/0x140 [ 140.113452][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.119360][ C0] RIP: 0033:0x443df9 [ 140.123265][ 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 [ 140.143006][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.151668][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 140.159902][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 140.167914][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 140.175989][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00007fff31eac6e0 [ 140.184124][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 0000000000000003 [ 140.192375][ C0] [ 140.194803][ C0] Uninit was stored to memory at: [ 140.199817][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 140.205562][ C0] __msan_chain_origin+0x54/0xa0 [ 140.210618][ C0] iptunnel_xmit+0xbd6/0xf20 [ 140.215298][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 140.220421][ C0] geneve_xmit+0x2139/0x3c40 [ 140.225023][ C0] xmit_one+0x2b6/0x760 [ 140.229259][ C0] __dev_queue_xmit+0x3432/0x4600 [ 140.234276][ C0] dev_queue_xmit+0x4b/0x60 [ 140.238771][ C0] packet_sendmsg+0x86ee/0x99d0 [ 140.243651][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.248621][ C0] __sys_sendmsg+0x714/0x830 [ 140.253482][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.258264][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.263113][ C0] do_syscall_64+0x9f/0x140 [ 140.267612][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.273662][ C0] [ 140.275978][ C0] Uninit was created at: [ 140.280399][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 140.286156][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 140.290855][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 140.296764][ C0] __alloc_skb+0x4dd/0xe90 [ 140.301208][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 140.306409][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 140.311888][ C0] packet_sendmsg+0x6a12/0x99d0 [ 140.316863][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.322073][ C0] __sys_sendmsg+0x714/0x830 [ 140.326812][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.331512][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.336383][ C0] do_syscall_64+0x9f/0x140 [ 140.341053][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.346968][ C0] ===================================================== [ 140.354221][ C0] Disabling lock debugging due to kernel taint [ 140.360621][ C0] ===================================================== [ 140.367572][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 140.374470][ C0] CPU: 0 PID: 8434 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.384902][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.395151][ C0] Call Trace: [ 140.398455][ C0] [ 140.401322][ C0] dump_stack+0x24c/0x2e0 [ 140.405790][ C0] kmsan_report+0xfb/0x1e0 [ 140.410240][ C0] __msan_warning+0x5c/0xa0 [ 140.414859][ C0] ip_rcv_core+0xf5d/0x1480 [ 140.419393][ C0] ip_rcv+0xc7/0x820 [ 140.423344][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.428758][ C0] __netif_receive_skb+0x1ec/0x640 [ 140.434108][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.440901][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 140.446572][ C0] process_backlog+0x517/0xbd0 [ 140.451530][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.456931][ C0] __napi_poll+0x13e/0xca0 [ 140.461672][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.467777][ C0] net_rx_action+0x726/0x14a0 [ 140.472626][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.478702][ C0] ? net_tx_action+0xd30/0xd30 [ 140.483481][ C0] __do_softirq+0x1b9/0x715 [ 140.488366][ C0] ? idle_cpu+0x9a/0x1d0 [ 140.493029][ C0] ? __irq_exit_rcu+0x83/0x280 [ 140.498050][ C0] do_softirq+0x123/0x1c0 [ 140.502665][ C0] [ 140.505596][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 140.510934][ C0] local_bh_enable+0x36/0x40 [ 140.515567][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 140.521151][ C0] dev_queue_xmit+0x4b/0x60 [ 140.525692][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.531782][ C0] packet_sendmsg+0x86ee/0x99d0 [ 140.536832][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.542026][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.547659][ C0] ? process_slab+0x13a8/0x1b70 [ 140.552515][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.558543][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.564619][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.569565][ C0] ? packet_getsockopt+0x1120/0x1120 [ 140.575500][ C0] __sys_sendmsg+0x714/0x830 [ 140.580368][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 140.586571][ C0] ? up_read+0x40/0x2b0 [ 140.590915][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.596150][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.602314][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.607723][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.612535][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.617310][ C0] do_syscall_64+0x9f/0x140 [ 140.621942][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.627936][ C0] RIP: 0033:0x443df9 [ 140.631829][ 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 [ 140.652426][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.661501][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 140.669610][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 140.677717][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 140.686012][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00007fff31eac6e0 [ 140.694338][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 0000000000000003 [ 140.702689][ C0] [ 140.705024][ C0] Uninit was stored to memory at: [ 140.710125][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 140.716070][ C0] __msan_chain_origin+0x54/0xa0 [ 140.721185][ C0] iptunnel_xmit+0xbd6/0xf20 [ 140.725882][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 140.731536][ C0] geneve_xmit+0x2139/0x3c40 [ 140.736125][ C0] xmit_one+0x2b6/0x760 [ 140.740447][ C0] __dev_queue_xmit+0x3432/0x4600 [ 140.745841][ C0] dev_queue_xmit+0x4b/0x60 [ 140.750344][ C0] packet_sendmsg+0x86ee/0x99d0 [ 140.755319][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.760270][ C0] __sys_sendmsg+0x714/0x830 [ 140.765074][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.771056][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.775817][ C0] do_syscall_64+0x9f/0x140 [ 140.780317][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.786211][ C0] [ 140.788542][ C0] Uninit was created at: [ 140.792851][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 140.798707][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 140.803804][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 140.809986][ C0] __alloc_skb+0x4dd/0xe90 [ 140.814503][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 140.819973][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 140.825313][ C0] packet_sendmsg+0x6a12/0x99d0 [ 140.830317][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 140.835416][ C0] __sys_sendmsg+0x714/0x830 [ 140.840231][ C0] __se_sys_sendmsg+0x97/0xb0 [ 140.844980][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 140.849893][ C0] do_syscall_64+0x9f/0x140 [ 140.854534][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.860609][ C0] ===================================================== [ 140.867667][ C0] ===================================================== [ 140.874651][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 140.881894][ C0] CPU: 0 PID: 8434 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.892238][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.902425][ C0] Call Trace: [ 140.905716][ C0] [ 140.908570][ C0] dump_stack+0x24c/0x2e0 [ 140.912937][ C0] kmsan_report+0xfb/0x1e0 [ 140.917463][ C0] __msan_warning+0x5c/0xa0 [ 140.921985][ C0] ip_rcv_core+0x1068/0x1480 [ 140.926605][ C0] ip_rcv+0xc7/0x820 [ 140.930528][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.935763][ C0] __netif_receive_skb+0x1ec/0x640 [ 140.940993][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.946651][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 140.952331][ C0] process_backlog+0x517/0xbd0 [ 140.957222][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.962529][ C0] __napi_poll+0x13e/0xca0 [ 140.966967][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.973049][ C0] net_rx_action+0x726/0x14a0 [ 140.977982][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.983914][ C0] ? net_tx_action+0xd30/0xd30 [ 140.988885][ C0] __do_softirq+0x1b9/0x715 [ 140.993405][ C0] ? idle_cpu+0x9a/0x1d0 [ 140.997748][ C0] ? __irq_exit_rcu+0x83/0x280 [ 141.002556][ C0] do_softirq+0x123/0x1c0 [ 141.007102][ C0] [ 141.010039][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 141.015239][ C0] local_bh_enable+0x36/0x40 [ 141.020054][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 141.025406][ C0] dev_queue_xmit+0x4b/0x60 [ 141.029919][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.035211][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.040088][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.045280][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.051044][ C0] ? process_slab+0x13a8/0x1b70 [ 141.056035][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.061986][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.068085][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.072985][ C0] ? packet_getsockopt+0x1120/0x1120 [ 141.078281][ C0] __sys_sendmsg+0x714/0x830 [ 141.083048][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 141.089906][ C0] ? up_read+0x40/0x2b0 [ 141.094467][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.099799][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.105809][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.111041][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.115835][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.120609][ C0] do_syscall_64+0x9f/0x140 [ 141.125132][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.131028][ C0] RIP: 0033:0x443df9 [ 141.135045][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 141.155039][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.163456][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 141.171614][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 141.180490][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.188543][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00007fff31eac6e0 [ 141.196601][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 0000000000000003 [ 141.204946][ C0] [ 141.207269][ C0] Uninit was stored to memory at: [ 141.212291][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.218030][ C0] __msan_chain_origin+0x54/0xa0 [ 141.223004][ C0] __ip_local_out+0x479/0x840 [ 141.227809][ C0] ip_local_out+0xa1/0x1e0 [ 141.232389][ C0] iptunnel_xmit+0x931/0xf20 [ 141.237063][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.242191][ C0] geneve_xmit+0x2139/0x3c40 [ 141.246864][ C0] xmit_one+0x2b6/0x760 [ 141.251015][ C0] __dev_queue_xmit+0x3432/0x4600 [ 141.256039][ C0] dev_queue_xmit+0x4b/0x60 [ 141.260663][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.265592][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.270538][ C0] __sys_sendmsg+0x714/0x830 [ 141.275119][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.279788][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.284805][ C0] do_syscall_64+0x9f/0x140 [ 141.289319][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.295406][ C0] [ 141.297725][ C0] Uninit was stored to memory at: [ 141.302750][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.308687][ C0] __msan_chain_origin+0x54/0xa0 [ 141.313703][ C0] iptunnel_xmit+0xbd6/0xf20 [ 141.318289][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.323465][ C0] geneve_xmit+0x2139/0x3c40 [ 141.328167][ C0] xmit_one+0x2b6/0x760 [ 141.332435][ C0] __dev_queue_xmit+0x3432/0x4600 [ 141.337686][ C0] dev_queue_xmit+0x4b/0x60 [ 141.342195][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.347080][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.352174][ C0] __sys_sendmsg+0x714/0x830 [ 141.356791][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.361466][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.366238][ C0] do_syscall_64+0x9f/0x140 [ 141.371286][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.377520][ C0] [ 141.379844][ C0] Uninit was created at: [ 141.384117][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.390458][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 141.395146][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.401239][ C0] __alloc_skb+0x4dd/0xe90 [ 141.405770][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 141.410973][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.416200][ C0] packet_sendmsg+0x6a12/0x99d0 [ 141.421092][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.425946][ C0] __sys_sendmsg+0x714/0x830 [ 141.431061][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.435826][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.440631][ C0] do_syscall_64+0x9f/0x140 [ 141.445137][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.451030][ C0] ===================================================== executing program [ 141.525129][ C0] ===================================================== [ 141.532201][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 141.539388][ C0] CPU: 0 PID: 8435 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.550053][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.560604][ C0] Call Trace: [ 141.563954][ C0] [ 141.566932][ C0] dump_stack+0x24c/0x2e0 [ 141.571268][ C0] kmsan_report+0xfb/0x1e0 [ 141.575948][ C0] __msan_warning+0x5c/0xa0 [ 141.580536][ C0] ip_rcv_core+0xf4c/0x1480 [ 141.585132][ C0] ip_rcv+0xc7/0x820 [ 141.589015][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.594214][ C0] __netif_receive_skb+0x1ec/0x640 [ 141.599788][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.605635][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 141.611261][ C0] process_backlog+0x517/0xbd0 [ 141.616020][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 141.621291][ C0] __napi_poll+0x13e/0xca0 [ 141.625695][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.631753][ C0] net_rx_action+0x726/0x14a0 [ 141.636423][ C0] ? net_tx_action+0xd30/0xd30 [ 141.641196][ C0] __do_softirq+0x1b9/0x715 [ 141.645956][ C0] ? idle_cpu+0x9a/0x1d0 [ 141.650220][ C0] ? __irq_exit_rcu+0x83/0x280 [ 141.655067][ C0] do_softirq+0x123/0x1c0 [ 141.659409][ C0] [ 141.662397][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 141.667554][ C0] local_bh_enable+0x36/0x40 [ 141.672575][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 141.677695][ C0] dev_queue_xmit+0x4b/0x60 [ 141.682280][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.687559][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.692618][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.697935][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.703578][ C0] ? process_slab+0x13a8/0x1b70 [ 141.708509][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.714348][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.720434][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.725283][ C0] ? packet_getsockopt+0x1120/0x1120 [ 141.730803][ C0] __sys_sendmsg+0x714/0x830 [ 141.735391][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.741012][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 141.750035][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 141.756278][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.761572][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.766430][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.771201][ C0] do_syscall_64+0x9f/0x140 [ 141.775790][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.781767][ C0] RIP: 0033:0x443df9 [ 141.785753][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 141.805813][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.814227][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 141.822403][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 141.830380][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.838552][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000223f5 [ 141.846544][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 141.854719][ C0] [ 141.857081][ C0] Uninit was stored to memory at: [ 141.862272][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.867989][ C0] __msan_chain_origin+0x54/0xa0 [ 141.873011][ C0] iptunnel_xmit+0xbd6/0xf20 [ 141.877594][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.882736][ C0] geneve_xmit+0x2139/0x3c40 [ 141.887766][ C0] xmit_one+0x2b6/0x760 [ 141.892280][ C0] __dev_queue_xmit+0x3432/0x4600 [ 141.897332][ C0] dev_queue_xmit+0x4b/0x60 [ 141.902120][ C0] packet_sendmsg+0x86ee/0x99d0 [ 141.906961][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.911815][ C0] __sys_sendmsg+0x714/0x830 [ 141.916408][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.921250][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.926616][ C0] do_syscall_64+0x9f/0x140 [ 141.931861][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.937882][ C0] [ 141.940214][ C0] Uninit was created at: [ 141.944513][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.950227][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 141.955066][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.960989][ C0] __alloc_skb+0x4dd/0xe90 [ 141.965508][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 141.970852][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.976155][ C0] packet_sendmsg+0x6a12/0x99d0 [ 141.981010][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.986123][ C0] __sys_sendmsg+0x714/0x830 [ 141.990706][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.995390][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.000227][ C0] do_syscall_64+0x9f/0x140 [ 142.004891][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.010767][ C0] ===================================================== [ 142.017968][ C0] ===================================================== [ 142.025163][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 142.032038][ C0] CPU: 0 PID: 8435 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.042209][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.052280][ C0] Call Trace: [ 142.055582][ C0] [ 142.058455][ C0] dump_stack+0x24c/0x2e0 [ 142.063005][ C0] kmsan_report+0xfb/0x1e0 [ 142.067458][ C0] __msan_warning+0x5c/0xa0 [ 142.072120][ C0] ip_rcv_core+0xf5d/0x1480 [ 142.077003][ C0] ip_rcv+0xc7/0x820 [ 142.080923][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.086247][ C0] __netif_receive_skb+0x1ec/0x640 [ 142.091521][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.097212][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 142.102877][ C0] process_backlog+0x517/0xbd0 [ 142.107636][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 142.113042][ C0] __napi_poll+0x13e/0xca0 [ 142.117666][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.124075][ C0] net_rx_action+0x726/0x14a0 [ 142.128864][ C0] ? net_tx_action+0xd30/0xd30 [ 142.133755][ C0] __do_softirq+0x1b9/0x715 [ 142.138338][ C0] ? idle_cpu+0x9a/0x1d0 [ 142.142585][ C0] ? __irq_exit_rcu+0x83/0x280 [ 142.147545][ C0] do_softirq+0x123/0x1c0 [ 142.151872][ C0] [ 142.154828][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 142.160058][ C0] local_bh_enable+0x36/0x40 [ 142.164682][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 142.169993][ C0] dev_queue_xmit+0x4b/0x60 [ 142.174507][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.179853][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.184719][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.190001][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.195950][ C0] ? process_slab+0x13a8/0x1b70 [ 142.200845][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.206683][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.212790][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.217819][ C0] ? packet_getsockopt+0x1120/0x1120 [ 142.223387][ C0] __sys_sendmsg+0x714/0x830 [ 142.227995][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.233620][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.239799][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 142.245862][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.251304][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.256309][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.261198][ C0] do_syscall_64+0x9f/0x140 [ 142.265838][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.271734][ C0] RIP: 0033:0x443df9 [ 142.275749][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 142.295841][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.304255][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.312232][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 142.320316][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.328288][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000223f5 [ 142.336313][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 142.344391][ C0] [ 142.346732][ C0] Uninit was stored to memory at: [ 142.351890][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.357706][ C0] __msan_chain_origin+0x54/0xa0 [ 142.362691][ C0] iptunnel_xmit+0xbd6/0xf20 [ 142.367310][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.372446][ C0] geneve_xmit+0x2139/0x3c40 [ 142.377041][ C0] xmit_one+0x2b6/0x760 [ 142.381204][ C0] __dev_queue_xmit+0x3432/0x4600 [ 142.386252][ C0] dev_queue_xmit+0x4b/0x60 [ 142.390929][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.395843][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.400851][ C0] __sys_sendmsg+0x714/0x830 [ 142.405452][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.410122][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.414914][ C0] do_syscall_64+0x9f/0x140 [ 142.419420][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.425502][ C0] [ 142.427916][ C0] Uninit was created at: [ 142.432150][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.437884][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 142.442550][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 142.448446][ C0] __alloc_skb+0x4dd/0xe90 [ 142.452866][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 142.458232][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.463643][ C0] packet_sendmsg+0x6a12/0x99d0 [ 142.468851][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.473959][ C0] __sys_sendmsg+0x714/0x830 [ 142.478552][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.483252][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.488268][ C0] do_syscall_64+0x9f/0x140 [ 142.492800][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.498867][ C0] ===================================================== [ 142.506043][ C0] ===================================================== [ 142.513086][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 142.520084][ C0] CPU: 0 PID: 8435 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.530262][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.540339][ C0] Call Trace: [ 142.543633][ C0] [ 142.546585][ C0] dump_stack+0x24c/0x2e0 [ 142.550963][ C0] kmsan_report+0xfb/0x1e0 [ 142.555404][ C0] __msan_warning+0x5c/0xa0 [ 142.560103][ C0] ip_rcv_core+0x1068/0x1480 [ 142.564873][ C0] ip_rcv+0xc7/0x820 [ 142.568866][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.574096][ C0] __netif_receive_skb+0x1ec/0x640 [ 142.579240][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.585046][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 142.590787][ C0] process_backlog+0x517/0xbd0 [ 142.595728][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 142.601037][ C0] __napi_poll+0x13e/0xca0 [ 142.605582][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.611856][ C0] net_rx_action+0x726/0x14a0 [ 142.616546][ C0] ? net_tx_action+0xd30/0xd30 [ 142.621330][ C0] __do_softirq+0x1b9/0x715 [ 142.625829][ C0] ? idle_cpu+0x9a/0x1d0 [ 142.630069][ C0] ? __irq_exit_rcu+0x83/0x280 [ 142.634845][ C0] do_softirq+0x123/0x1c0 [ 142.639185][ C0] [ 142.642201][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 142.647248][ C0] local_bh_enable+0x36/0x40 [ 142.652042][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 142.657087][ C0] dev_queue_xmit+0x4b/0x60 [ 142.661604][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.666910][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.671972][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.677170][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.682917][ C0] ? process_slab+0x13a8/0x1b70 [ 142.687871][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.693753][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.699853][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.705083][ C0] ? packet_getsockopt+0x1120/0x1120 [ 142.710457][ C0] __sys_sendmsg+0x714/0x830 [ 142.715075][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.720828][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.726894][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 142.732990][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.738213][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.743023][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.747785][ C0] do_syscall_64+0x9f/0x140 [ 142.752403][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.758727][ C0] RIP: 0033:0x443df9 [ 142.762637][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 142.782322][ C0] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.790781][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.798838][ C0] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 142.806808][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.814897][ C0] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000223f5 [ 142.822975][ C0] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 142.831401][ C0] [ 142.833736][ C0] Uninit was stored to memory at: [ 142.838793][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.844700][ C0] __msan_chain_origin+0x54/0xa0 [ 142.850011][ C0] __ip_local_out+0x479/0x840 [ 142.854718][ C0] ip_local_out+0xa1/0x1e0 [ 142.859223][ C0] iptunnel_xmit+0x931/0xf20 [ 142.863948][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.869165][ C0] geneve_xmit+0x2139/0x3c40 [ 142.873856][ C0] xmit_one+0x2b6/0x760 [ 142.878004][ C0] __dev_queue_xmit+0x3432/0x4600 [ 142.883091][ C0] dev_queue_xmit+0x4b/0x60 [ 142.887642][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.892486][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.897325][ C0] __sys_sendmsg+0x714/0x830 [ 142.901907][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.906577][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.911376][ C0] do_syscall_64+0x9f/0x140 [ 142.915876][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.921805][ C0] [ 142.924136][ C0] Uninit was stored to memory at: [ 142.929153][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.934871][ C0] __msan_chain_origin+0x54/0xa0 [ 142.939798][ C0] iptunnel_xmit+0xbd6/0xf20 [ 142.944484][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.949600][ C0] geneve_xmit+0x2139/0x3c40 [ 142.954247][ C0] xmit_one+0x2b6/0x760 [ 142.958860][ C0] __dev_queue_xmit+0x3432/0x4600 [ 142.964131][ C0] dev_queue_xmit+0x4b/0x60 [ 142.968629][ C0] packet_sendmsg+0x86ee/0x99d0 [ 142.973736][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.978602][ C0] __sys_sendmsg+0x714/0x830 [ 142.983183][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.987851][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.992645][ C0] do_syscall_64+0x9f/0x140 [ 142.997182][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.003267][ C0] [ 143.005706][ C0] Uninit was created at: [ 143.009929][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.015649][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 143.020330][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.026322][ C0] __alloc_skb+0x4dd/0xe90 [ 143.030743][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 143.036035][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.041225][ C0] packet_sendmsg+0x6a12/0x99d0 [ 143.046066][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 143.050965][ C0] __sys_sendmsg+0x714/0x830 [ 143.055578][ C0] __se_sys_sendmsg+0x97/0xb0 [ 143.060251][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 143.065234][ C0] do_syscall_64+0x9f/0x140 [ 143.069791][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.075842][ C0] ===================================================== executing program [ 143.141842][ C1] ===================================================== [ 143.148904][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 143.155785][ C1] CPU: 1 PID: 8436 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.166518][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.176955][ C1] Call Trace: [ 143.180257][ C1] [ 143.183192][ C1] dump_stack+0x24c/0x2e0 [ 143.187513][ C1] kmsan_report+0xfb/0x1e0 [ 143.191916][ C1] __msan_warning+0x5c/0xa0 [ 143.196400][ C1] ip_rcv_core+0xf4c/0x1480 [ 143.201085][ C1] ip_rcv+0xc7/0x820 [ 143.205052][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.210249][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.215367][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.220985][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.226625][ C1] process_backlog+0x517/0xbd0 [ 143.231375][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.236906][ C1] __napi_poll+0x13e/0xca0 [ 143.241591][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.247940][ C1] net_rx_action+0x726/0x14a0 [ 143.252734][ C1] ? net_tx_action+0xd30/0xd30 [ 143.257633][ C1] __do_softirq+0x1b9/0x715 [ 143.262149][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.266384][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.271160][ C1] do_softirq+0x123/0x1c0 [ 143.275497][ C1] [ 143.278428][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.283497][ C1] local_bh_enable+0x36/0x40 [ 143.288085][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.293188][ C1] dev_queue_xmit+0x4b/0x60 [ 143.297675][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.302945][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.307787][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.312986][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.318708][ C1] ? process_slab+0x13a8/0x1b70 [ 143.323687][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.329504][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.335890][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.340762][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.346061][ C1] __sys_sendmsg+0x714/0x830 [ 143.350748][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.356473][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.362544][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.368667][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.373900][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.378596][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.383362][ C1] do_syscall_64+0x9f/0x140 [ 143.388120][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.394111][ C1] RIP: 0033:0x443df9 [ 143.398003][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 143.417711][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.426330][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.434389][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 143.442493][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.450489][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000022a7e [ 143.458761][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 143.467127][ C1] [ 143.469533][ C1] Uninit was stored to memory at: [ 143.474650][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.480623][ C1] __msan_chain_origin+0x54/0xa0 [ 143.485671][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.490397][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.495635][ C1] geneve_xmit+0x2139/0x3c40 [ 143.500392][ C1] xmit_one+0x2b6/0x760 [ 143.504545][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.509600][ C1] dev_queue_xmit+0x4b/0x60 [ 143.514098][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.519300][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.524144][ C1] __sys_sendmsg+0x714/0x830 [ 143.528730][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.533505][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.538349][ C1] do_syscall_64+0x9f/0x140 [ 143.542941][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.548828][ C1] [ 143.551146][ C1] Uninit was created at: [ 143.555368][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.561078][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 143.565836][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.571737][ C1] __alloc_skb+0x4dd/0xe90 [ 143.576144][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.581622][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.586832][ C1] packet_sendmsg+0x6a12/0x99d0 [ 143.591678][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.596686][ C1] __sys_sendmsg+0x714/0x830 [ 143.601367][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.606037][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.610798][ C1] do_syscall_64+0x9f/0x140 [ 143.615298][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.621183][ C1] ===================================================== [ 143.628326][ C1] ===================================================== [ 143.635436][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 143.642399][ C1] CPU: 1 PID: 8436 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.652658][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.663075][ C1] Call Trace: [ 143.666365][ C1] [ 143.669215][ C1] dump_stack+0x24c/0x2e0 [ 143.673600][ C1] kmsan_report+0xfb/0x1e0 [ 143.678108][ C1] __msan_warning+0x5c/0xa0 [ 143.682629][ C1] ip_rcv_core+0xf5d/0x1480 [ 143.687161][ C1] ip_rcv+0xc7/0x820 [ 143.691077][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.696296][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.701428][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.707083][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.712937][ C1] process_backlog+0x517/0xbd0 [ 143.717843][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.723448][ C1] __napi_poll+0x13e/0xca0 [ 143.728045][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.734223][ C1] net_rx_action+0x726/0x14a0 [ 143.739014][ C1] ? net_tx_action+0xd30/0xd30 [ 143.743779][ C1] __do_softirq+0x1b9/0x715 [ 143.748307][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.752569][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.757340][ C1] do_softirq+0x123/0x1c0 [ 143.761659][ C1] [ 143.764577][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.769874][ C1] local_bh_enable+0x36/0x40 [ 143.774705][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.779878][ C1] dev_queue_xmit+0x4b/0x60 [ 143.784376][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.789649][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.794495][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.799710][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.805434][ C1] ? process_slab+0x13a8/0x1b70 [ 143.810283][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.816170][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.822373][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.827255][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.832577][ C1] __sys_sendmsg+0x714/0x830 [ 143.837271][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.842957][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.849065][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.855065][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.860258][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.865016][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.869788][ C1] do_syscall_64+0x9f/0x140 [ 143.874297][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.880353][ C1] RIP: 0033:0x443df9 [ 143.884239][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 143.903942][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.912446][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.920407][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 143.928365][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.936479][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000022a7e [ 143.944532][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 143.952687][ C1] [ 143.955002][ C1] Uninit was stored to memory at: [ 143.960005][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.965797][ C1] __msan_chain_origin+0x54/0xa0 [ 143.970760][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.975587][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.980696][ C1] geneve_xmit+0x2139/0x3c40 [ 143.985289][ C1] xmit_one+0x2b6/0x760 [ 143.989434][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.994456][ C1] dev_queue_xmit+0x4b/0x60 [ 143.998962][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.003899][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.008836][ C1] __sys_sendmsg+0x714/0x830 [ 144.013416][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.018329][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.023124][ C1] do_syscall_64+0x9f/0x140 [ 144.027636][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.033843][ C1] [ 144.036159][ C1] Uninit was created at: [ 144.040394][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.046113][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 144.050786][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 144.056768][ C1] __alloc_skb+0x4dd/0xe90 [ 144.061193][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 144.066551][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.071758][ C1] packet_sendmsg+0x6a12/0x99d0 [ 144.076620][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.081486][ C1] __sys_sendmsg+0x714/0x830 [ 144.086064][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.090729][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.095692][ C1] do_syscall_64+0x9f/0x140 [ 144.100216][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.106118][ C1] ===================================================== [ 144.113188][ C1] ===================================================== [ 144.120126][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 144.127146][ C1] CPU: 1 PID: 8436 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.137613][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.147686][ C1] Call Trace: [ 144.150972][ C1] [ 144.153831][ C1] dump_stack+0x24c/0x2e0 [ 144.158188][ C1] kmsan_report+0xfb/0x1e0 [ 144.162626][ C1] __msan_warning+0x5c/0xa0 [ 144.167160][ C1] ip_rcv_core+0x1068/0x1480 [ 144.171901][ C1] ip_rcv+0xc7/0x820 [ 144.175929][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.181263][ C1] __netif_receive_skb+0x1ec/0x640 [ 144.186489][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.192432][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.198572][ C1] process_backlog+0x517/0xbd0 [ 144.203434][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.208756][ C1] __napi_poll+0x13e/0xca0 [ 144.213169][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.219235][ C1] net_rx_action+0x726/0x14a0 [ 144.224196][ C1] ? net_tx_action+0xd30/0xd30 [ 144.229429][ C1] __do_softirq+0x1b9/0x715 [ 144.233935][ C1] ? idle_cpu+0x9a/0x1d0 [ 144.238260][ C1] ? __irq_exit_rcu+0x83/0x280 [ 144.243224][ C1] do_softirq+0x123/0x1c0 [ 144.247569][ C1] [ 144.250628][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 144.255835][ C1] local_bh_enable+0x36/0x40 [ 144.260448][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 144.265960][ C1] dev_queue_xmit+0x4b/0x60 [ 144.270589][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.275884][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.280738][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.285997][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.291754][ C1] ? process_slab+0x13a8/0x1b70 [ 144.296779][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.302592][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.308735][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.313669][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.318951][ C1] __sys_sendmsg+0x714/0x830 [ 144.323549][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.329179][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 144.335247][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 144.341768][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.347029][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.351703][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.356473][ C1] do_syscall_64+0x9f/0x140 [ 144.360975][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.366944][ C1] RIP: 0033:0x443df9 [ 144.370829][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 144.392567][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.401003][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 144.408978][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 144.417042][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.425015][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000022a7e [ 144.433009][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 144.441103][ C1] [ 144.443433][ C1] Uninit was stored to memory at: [ 144.448621][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.454445][ C1] __msan_chain_origin+0x54/0xa0 [ 144.459384][ C1] __ip_local_out+0x479/0x840 [ 144.464240][ C1] ip_local_out+0xa1/0x1e0 [ 144.468874][ C1] iptunnel_xmit+0x931/0xf20 [ 144.473574][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.478821][ C1] geneve_xmit+0x2139/0x3c40 [ 144.483417][ C1] xmit_one+0x2b6/0x760 [ 144.487607][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.492640][ C1] dev_queue_xmit+0x4b/0x60 [ 144.497136][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.502001][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.506848][ C1] __sys_sendmsg+0x714/0x830 [ 144.511667][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.517145][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.521901][ C1] do_syscall_64+0x9f/0x140 [ 144.526401][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.532522][ C1] [ 144.534849][ C1] Uninit was stored to memory at: [ 144.540121][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.546180][ C1] __msan_chain_origin+0x54/0xa0 [ 144.551115][ C1] iptunnel_xmit+0xbd6/0xf20 [ 144.555694][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.560953][ C1] geneve_xmit+0x2139/0x3c40 [ 144.565548][ C1] xmit_one+0x2b6/0x760 [ 144.569796][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.574817][ C1] dev_queue_xmit+0x4b/0x60 [ 144.579324][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.584170][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.589033][ C1] __sys_sendmsg+0x714/0x830 [ 144.593608][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.598272][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.603029][ C1] do_syscall_64+0x9f/0x140 [ 144.607595][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.613500][ C1] [ 144.615844][ C1] Uninit was created at: [ 144.620059][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.625790][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 144.630467][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 144.636471][ C1] __alloc_skb+0x4dd/0xe90 [ 144.640877][ C1] alloc_skb_with_frags+0x1f3/0xc10 executing program [ 144.646075][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.651260][ C1] packet_sendmsg+0x6a12/0x99d0 [ 144.656120][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.660961][ C1] __sys_sendmsg+0x714/0x830 [ 144.665556][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.670222][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.674977][ C1] do_syscall_64+0x9f/0x140 [ 144.679476][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.685673][ C1] ===================================================== [ 144.732769][ C1] ===================================================== [ 144.739914][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 144.746849][ C1] CPU: 1 PID: 8437 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.757122][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.767283][ C1] Call Trace: [ 144.770581][ C1] [ 144.773434][ C1] dump_stack+0x24c/0x2e0 [ 144.777848][ C1] kmsan_report+0xfb/0x1e0 [ 144.782292][ C1] __msan_warning+0x5c/0xa0 [ 144.786833][ C1] ip_rcv_core+0xf4c/0x1480 [ 144.791400][ C1] ip_rcv+0xc7/0x820 [ 144.795293][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.800587][ C1] __netif_receive_skb+0x1ec/0x640 [ 144.805704][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.811435][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.817061][ C1] process_backlog+0x517/0xbd0 [ 144.821843][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.827144][ C1] __napi_poll+0x13e/0xca0 [ 144.831564][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.837979][ C1] net_rx_action+0x726/0x14a0 [ 144.842673][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.848821][ C1] ? net_tx_action+0xd30/0xd30 [ 144.853584][ C1] __do_softirq+0x1b9/0x715 [ 144.858143][ C1] ? idle_cpu+0x9a/0x1d0 [ 144.862383][ C1] ? __irq_exit_rcu+0x83/0x280 [ 144.867155][ C1] do_softirq+0x123/0x1c0 [ 144.871480][ C1] [ 144.874513][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 144.879714][ C1] local_bh_enable+0x36/0x40 [ 144.884321][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 144.889456][ C1] dev_queue_xmit+0x4b/0x60 [ 144.894034][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.899305][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.904155][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.909339][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.915007][ C1] ? process_slab+0x13a8/0x1b70 [ 144.920116][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.925911][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.931983][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.936851][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.942222][ C1] __sys_sendmsg+0x714/0x830 [ 144.946922][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 144.952900][ C1] ? up_read+0x40/0x2b0 [ 144.957175][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.962368][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.968160][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.973592][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.978481][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.983558][ C1] do_syscall_64+0x9f/0x140 [ 144.988256][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.994180][ C1] RIP: 0033:0x443df9 [ 144.998076][ 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 [ 145.017877][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.027077][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.035159][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 145.043316][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.051306][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000230ce [ 145.059285][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 145.067576][ C1] [ 145.069885][ C1] Uninit was stored to memory at: [ 145.075109][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 145.081105][ C1] __msan_chain_origin+0x54/0xa0 [ 145.086219][ C1] iptunnel_xmit+0xbd6/0xf20 [ 145.090876][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 145.096169][ C1] geneve_xmit+0x2139/0x3c40 [ 145.100872][ C1] xmit_one+0x2b6/0x760 [ 145.105030][ C1] __dev_queue_xmit+0x3432/0x4600 [ 145.110485][ C1] dev_queue_xmit+0x4b/0x60 [ 145.114991][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.119875][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.124732][ C1] __sys_sendmsg+0x714/0x830 [ 145.129311][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.133974][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.138730][ C1] do_syscall_64+0x9f/0x140 [ 145.143281][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.149443][ C1] [ 145.151886][ C1] Uninit was created at: [ 145.156225][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.162036][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 145.166707][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.172727][ C1] __alloc_skb+0x4dd/0xe90 [ 145.177362][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 145.182782][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.188192][ C1] packet_sendmsg+0x6a12/0x99d0 [ 145.193060][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.198021][ C1] __sys_sendmsg+0x714/0x830 [ 145.202604][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.207279][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.212214][ C1] do_syscall_64+0x9f/0x140 [ 145.216752][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.222870][ C1] ===================================================== [ 145.230101][ C1] ===================================================== [ 145.237137][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 145.244100][ C1] CPU: 1 PID: 8437 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.254273][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.264751][ C1] Call Trace: [ 145.268046][ C1] [ 145.271075][ C1] dump_stack+0x24c/0x2e0 [ 145.275503][ C1] kmsan_report+0xfb/0x1e0 [ 145.279946][ C1] __msan_warning+0x5c/0xa0 [ 145.284497][ C1] ip_rcv_core+0xf5d/0x1480 [ 145.289028][ C1] ip_rcv+0xc7/0x820 [ 145.293081][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.298312][ C1] __netif_receive_skb+0x1ec/0x640 [ 145.303450][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.309108][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 145.314799][ C1] process_backlog+0x517/0xbd0 [ 145.319601][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.324905][ C1] __napi_poll+0x13e/0xca0 [ 145.329329][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.335392][ C1] net_rx_action+0x726/0x14a0 [ 145.340062][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.346319][ C1] ? net_tx_action+0xd30/0xd30 [ 145.351171][ C1] __do_softirq+0x1b9/0x715 [ 145.355818][ C1] ? idle_cpu+0x9a/0x1d0 [ 145.360165][ C1] ? __irq_exit_rcu+0x83/0x280 [ 145.364945][ C1] do_softirq+0x123/0x1c0 [ 145.369433][ C1] [ 145.372374][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 145.377678][ C1] local_bh_enable+0x36/0x40 [ 145.382316][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 145.387494][ C1] dev_queue_xmit+0x4b/0x60 [ 145.391995][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.397370][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.402361][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.407574][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.413311][ C1] ? process_slab+0x13a8/0x1b70 [ 145.418162][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.424056][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.430152][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.435242][ C1] ? packet_getsockopt+0x1120/0x1120 [ 145.440535][ C1] __sys_sendmsg+0x714/0x830 [ 145.445131][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 145.451151][ C1] ? up_read+0x40/0x2b0 [ 145.455595][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.460793][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.466696][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.472003][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.476783][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.481647][ C1] do_syscall_64+0x9f/0x140 [ 145.486166][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.492154][ C1] RIP: 0033:0x443df9 [ 145.496051][ 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 [ 145.515822][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.524325][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.532382][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 145.540674][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.548650][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000230ce [ 145.556944][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 145.564921][ C1] [ 145.567292][ C1] Uninit was stored to memory at: [ 145.572553][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 145.578628][ C1] __msan_chain_origin+0x54/0xa0 [ 145.583657][ C1] iptunnel_xmit+0xbd6/0xf20 [ 145.588337][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 145.593599][ C1] geneve_xmit+0x2139/0x3c40 [ 145.598370][ C1] xmit_one+0x2b6/0x760 [ 145.602556][ C1] __dev_queue_xmit+0x3432/0x4600 [ 145.607579][ C1] dev_queue_xmit+0x4b/0x60 [ 145.612179][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.617424][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.622430][ C1] __sys_sendmsg+0x714/0x830 [ 145.627019][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.631867][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.636627][ C1] do_syscall_64+0x9f/0x140 [ 145.641254][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.647152][ C1] [ 145.649482][ C1] Uninit was created at: [ 145.654236][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.659980][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 145.665094][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.670997][ C1] __alloc_skb+0x4dd/0xe90 [ 145.675498][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 145.681050][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.686265][ C1] packet_sendmsg+0x6a12/0x99d0 [ 145.691519][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.696430][ C1] __sys_sendmsg+0x714/0x830 [ 145.701019][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.705718][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.710481][ C1] do_syscall_64+0x9f/0x140 [ 145.715368][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.721285][ C1] ===================================================== [ 145.728513][ C1] ===================================================== [ 145.735673][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 145.742652][ C1] CPU: 1 PID: 8437 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.752824][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.762920][ C1] Call Trace: [ 145.766475][ C1] [ 145.769609][ C1] dump_stack+0x24c/0x2e0 [ 145.774057][ C1] kmsan_report+0xfb/0x1e0 [ 145.778515][ C1] __msan_warning+0x5c/0xa0 [ 145.783565][ C1] ip_rcv_core+0x1068/0x1480 [ 145.788208][ C1] ip_rcv+0xc7/0x820 [ 145.792127][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.797353][ C1] __netif_receive_skb+0x1ec/0x640 [ 145.802492][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.808239][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 145.814418][ C1] process_backlog+0x517/0xbd0 [ 145.819423][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.824708][ C1] __napi_poll+0x13e/0xca0 [ 145.829264][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.835329][ C1] net_rx_action+0x726/0x14a0 [ 145.840108][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.846476][ C1] ? net_tx_action+0xd30/0xd30 [ 145.851452][ C1] __do_softirq+0x1b9/0x715 [ 145.855961][ C1] ? idle_cpu+0x9a/0x1d0 [ 145.860226][ C1] ? __irq_exit_rcu+0x83/0x280 [ 145.865097][ C1] do_softirq+0x123/0x1c0 [ 145.869444][ C1] [ 145.872368][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 145.877447][ C1] local_bh_enable+0x36/0x40 [ 145.882138][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 145.887246][ C1] dev_queue_xmit+0x4b/0x60 [ 145.891749][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.897113][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.901992][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.907284][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.913005][ C1] ? process_slab+0x13a8/0x1b70 [ 145.917919][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.923742][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.929912][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.934848][ C1] ? packet_getsockopt+0x1120/0x1120 [ 145.940138][ C1] __sys_sendmsg+0x714/0x830 [ 145.944916][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 145.951090][ C1] ? up_read+0x40/0x2b0 [ 145.955244][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.960615][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.966478][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.971822][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.976519][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.981284][ C1] do_syscall_64+0x9f/0x140 [ 145.985814][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.991726][ C1] RIP: 0033:0x443df9 [ 145.995605][ 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 [ 146.015280][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.023907][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.031870][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 146.040202][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.048375][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 00000000000230ce [ 146.057002][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 146.065110][ C1] [ 146.067442][ C1] Uninit was stored to memory at: [ 146.072483][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.078195][ C1] __msan_chain_origin+0x54/0xa0 [ 146.083137][ C1] __ip_local_out+0x479/0x840 [ 146.088001][ C1] ip_local_out+0xa1/0x1e0 [ 146.092420][ C1] iptunnel_xmit+0x931/0xf20 [ 146.097007][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.102134][ C1] geneve_xmit+0x2139/0x3c40 [ 146.106728][ C1] xmit_one+0x2b6/0x760 [ 146.110903][ C1] __dev_queue_xmit+0x3432/0x4600 [ 146.115931][ C1] dev_queue_xmit+0x4b/0x60 [ 146.120421][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.125261][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.130104][ C1] __sys_sendmsg+0x714/0x830 [ 146.134766][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.139481][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.144330][ C1] do_syscall_64+0x9f/0x140 [ 146.149008][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.154910][ C1] [ 146.157398][ C1] Uninit was stored to memory at: [ 146.162639][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.168493][ C1] __msan_chain_origin+0x54/0xa0 [ 146.173791][ C1] iptunnel_xmit+0xbd6/0xf20 [ 146.179875][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.185086][ C1] geneve_xmit+0x2139/0x3c40 [ 146.189858][ C1] xmit_one+0x2b6/0x760 [ 146.194044][ C1] __dev_queue_xmit+0x3432/0x4600 [ 146.199369][ C1] dev_queue_xmit+0x4b/0x60 [ 146.204062][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.209015][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.213970][ C1] __sys_sendmsg+0x714/0x830 [ 146.218818][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.223517][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.228383][ C1] do_syscall_64+0x9f/0x140 [ 146.232919][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.239056][ C1] [ 146.241385][ C1] Uninit was created at: [ 146.245622][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.251442][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 146.256113][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.262202][ C1] __alloc_skb+0x4dd/0xe90 [ 146.267167][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 146.272364][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.277582][ C1] packet_sendmsg+0x6a12/0x99d0 [ 146.282425][ C1] ____sys_sendmsg+0xcfc/0x12f0 executing program [ 146.287271][ C1] __sys_sendmsg+0x714/0x830 [ 146.292075][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.296839][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.301595][ C1] do_syscall_64+0x9f/0x140 [ 146.306090][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.312060][ C1] ===================================================== [ 146.352719][ C1] ===================================================== [ 146.359818][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 146.366700][ C1] CPU: 1 PID: 8438 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.376872][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.387114][ C1] Call Trace: [ 146.390404][ C1] [ 146.393255][ C1] dump_stack+0x24c/0x2e0 [ 146.397615][ C1] kmsan_report+0xfb/0x1e0 [ 146.402056][ C1] __msan_warning+0x5c/0xa0 [ 146.406615][ C1] ip_rcv_core+0xf4c/0x1480 [ 146.411159][ C1] ip_rcv+0xc7/0x820 [ 146.415076][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.420414][ C1] __netif_receive_skb+0x1ec/0x640 [ 146.425609][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.431443][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 146.437092][ C1] process_backlog+0x517/0xbd0 [ 146.441963][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.447250][ C1] __napi_poll+0x13e/0xca0 [ 146.451677][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.457848][ C1] net_rx_action+0x726/0x14a0 [ 146.462621][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.468439][ C1] ? net_tx_action+0xd30/0xd30 [ 146.473194][ C1] __do_softirq+0x1b9/0x715 [ 146.477688][ C1] ? idle_cpu+0x9a/0x1d0 [ 146.481919][ C1] ? __irq_exit_rcu+0x83/0x280 [ 146.486674][ C1] do_softirq+0x123/0x1c0 [ 146.490998][ C1] [ 146.493928][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 146.498947][ C1] local_bh_enable+0x36/0x40 [ 146.503553][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 146.508623][ C1] dev_queue_xmit+0x4b/0x60 [ 146.513134][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.518412][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.523284][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.528564][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.534425][ C1] ? process_slab+0x13a8/0x1b70 [ 146.539509][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.545411][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.551899][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.556864][ C1] ? packet_getsockopt+0x1120/0x1120 [ 146.562274][ C1] __sys_sendmsg+0x714/0x830 [ 146.566873][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 146.573176][ C1] ? up_read+0x40/0x2b0 [ 146.577538][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.582754][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.588587][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.593785][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.598543][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.603325][ C1] do_syscall_64+0x9f/0x140 [ 146.607839][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.613929][ C1] RIP: 0033:0x443df9 [ 146.617902][ 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 [ 146.637503][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.646055][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.654178][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 146.662513][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.670505][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023705 [ 146.678708][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 146.686777][ C1] [ 146.689089][ C1] Uninit was stored to memory at: [ 146.694108][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.699934][ C1] __msan_chain_origin+0x54/0xa0 [ 146.704858][ C1] iptunnel_xmit+0xbd6/0xf20 [ 146.709452][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.714551][ C1] geneve_xmit+0x2139/0x3c40 [ 146.719130][ C1] xmit_one+0x2b6/0x760 [ 146.723271][ C1] __dev_queue_xmit+0x3432/0x4600 [ 146.728285][ C1] dev_queue_xmit+0x4b/0x60 [ 146.732775][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.737807][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.742673][ C1] __sys_sendmsg+0x714/0x830 [ 146.747251][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.752000][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.756751][ C1] do_syscall_64+0x9f/0x140 [ 146.761254][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.767134][ C1] [ 146.769458][ C1] Uninit was created at: [ 146.773673][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.779539][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 146.784465][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.790394][ C1] __alloc_skb+0x4dd/0xe90 [ 146.794814][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 146.800079][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.805368][ C1] packet_sendmsg+0x6a12/0x99d0 [ 146.810379][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.815251][ C1] __sys_sendmsg+0x714/0x830 [ 146.819830][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.824497][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.829280][ C1] do_syscall_64+0x9f/0x140 [ 146.833799][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.840247][ C1] ===================================================== [ 146.847385][ C1] ===================================================== [ 146.854455][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 146.861339][ C1] CPU: 1 PID: 8438 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.871548][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.881631][ C1] Call Trace: [ 146.885703][ C1] [ 146.888553][ C1] dump_stack+0x24c/0x2e0 [ 146.892922][ C1] kmsan_report+0xfb/0x1e0 [ 146.897362][ C1] __msan_warning+0x5c/0xa0 [ 146.901973][ C1] ip_rcv_core+0xf5d/0x1480 [ 146.906502][ C1] ip_rcv+0xc7/0x820 [ 146.911408][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.917302][ C1] __netif_receive_skb+0x1ec/0x640 [ 146.922748][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.928979][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 146.934808][ C1] process_backlog+0x517/0xbd0 [ 146.940464][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.945848][ C1] __napi_poll+0x13e/0xca0 [ 146.950651][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.956834][ C1] net_rx_action+0x726/0x14a0 [ 146.961990][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.968172][ C1] ? net_tx_action+0xd30/0xd30 [ 146.973039][ C1] __do_softirq+0x1b9/0x715 [ 146.978065][ C1] ? idle_cpu+0x9a/0x1d0 [ 146.982324][ C1] ? __irq_exit_rcu+0x83/0x280 [ 146.987827][ C1] do_softirq+0x123/0x1c0 [ 146.993235][ C1] [ 146.996299][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 147.001975][ C1] local_bh_enable+0x36/0x40 [ 147.006568][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 147.011693][ C1] dev_queue_xmit+0x4b/0x60 [ 147.016562][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.022560][ C1] packet_sendmsg+0x86ee/0x99d0 [ 147.027618][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.033191][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.039057][ C1] ? process_slab+0x13a8/0x1b70 [ 147.044001][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.050129][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.056640][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.061776][ C1] ? packet_getsockopt+0x1120/0x1120 [ 147.067201][ C1] __sys_sendmsg+0x714/0x830 [ 147.072400][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 147.078639][ C1] ? up_read+0x40/0x2b0 [ 147.082895][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.088565][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.094586][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.100144][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.105091][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.110362][ C1] do_syscall_64+0x9f/0x140 [ 147.115200][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.121752][ C1] RIP: 0033:0x443df9 [ 147.125885][ 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 [ 147.146010][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.154651][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.163859][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 147.172242][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.181565][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023705 [ 147.190181][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 147.198525][ C1] [ 147.200949][ C1] Uninit was stored to memory at: [ 147.206042][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.212173][ C1] __msan_chain_origin+0x54/0xa0 [ 147.217547][ C1] iptunnel_xmit+0xbd6/0xf20 [ 147.222478][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.227681][ C1] geneve_xmit+0x2139/0x3c40 [ 147.232468][ C1] xmit_one+0x2b6/0x760 [ 147.236740][ C1] __dev_queue_xmit+0x3432/0x4600 [ 147.241909][ C1] dev_queue_xmit+0x4b/0x60 [ 147.246675][ C1] packet_sendmsg+0x86ee/0x99d0 [ 147.251605][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.257085][ C1] __sys_sendmsg+0x714/0x830 [ 147.261994][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.266690][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.271569][ C1] do_syscall_64+0x9f/0x140 [ 147.276161][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.282314][ C1] [ 147.284715][ C1] Uninit was created at: [ 147.288946][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.294839][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 147.300096][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.306014][ C1] __alloc_skb+0x4dd/0xe90 [ 147.310425][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 147.315757][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.321240][ C1] packet_sendmsg+0x6a12/0x99d0 [ 147.326189][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.331149][ C1] __sys_sendmsg+0x714/0x830 [ 147.335950][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.340659][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.345636][ C1] do_syscall_64+0x9f/0x140 [ 147.350308][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.356200][ C1] ===================================================== [ 147.363484][ C1] ===================================================== [ 147.370641][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 147.377698][ C1] CPU: 1 PID: 8438 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.388393][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.398468][ C1] Call Trace: [ 147.401761][ C1] [ 147.404669][ C1] dump_stack+0x24c/0x2e0 [ 147.409025][ C1] kmsan_report+0xfb/0x1e0 [ 147.413463][ C1] __msan_warning+0x5c/0xa0 [ 147.418015][ C1] ip_rcv_core+0x1068/0x1480 [ 147.422715][ C1] ip_rcv+0xc7/0x820 [ 147.426668][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.431983][ C1] __netif_receive_skb+0x1ec/0x640 [ 147.437128][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.442870][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 147.448787][ C1] process_backlog+0x517/0xbd0 [ 147.453591][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.458907][ C1] __napi_poll+0x13e/0xca0 [ 147.463352][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.469597][ C1] net_rx_action+0x726/0x14a0 [ 147.474274][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.480079][ C1] ? net_tx_action+0xd30/0xd30 [ 147.485357][ C1] __do_softirq+0x1b9/0x715 [ 147.489857][ C1] ? idle_cpu+0x9a/0x1d0 [ 147.494120][ C1] ? __irq_exit_rcu+0x83/0x280 [ 147.498889][ C1] do_softirq+0x123/0x1c0 [ 147.503228][ C1] [ 147.506191][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 147.511547][ C1] local_bh_enable+0x36/0x40 [ 147.516315][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 147.522271][ C1] dev_queue_xmit+0x4b/0x60 [ 147.527188][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.533003][ C1] packet_sendmsg+0x86ee/0x99d0 [ 147.538491][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.543936][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.550372][ C1] ? process_slab+0x13a8/0x1b70 [ 147.555769][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.561692][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.568044][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.573083][ C1] ? packet_getsockopt+0x1120/0x1120 [ 147.578717][ C1] __sys_sendmsg+0x714/0x830 [ 147.583352][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 147.589419][ C1] ? up_read+0x40/0x2b0 [ 147.593777][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.599227][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.605027][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.610220][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.615265][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.620294][ C1] do_syscall_64+0x9f/0x140 [ 147.624974][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.630866][ C1] RIP: 0033:0x443df9 [ 147.634758][ 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 [ 147.655904][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.665224][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.674062][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 147.682665][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.691985][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023705 [ 147.700626][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 147.709020][ C1] [ 147.711365][ C1] Uninit was stored to memory at: [ 147.716651][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.722563][ C1] __msan_chain_origin+0x54/0xa0 [ 147.727502][ C1] __ip_local_out+0x479/0x840 [ 147.732235][ C1] ip_local_out+0xa1/0x1e0 [ 147.736805][ C1] iptunnel_xmit+0x931/0xf20 [ 147.741490][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.747002][ C1] geneve_xmit+0x2139/0x3c40 [ 147.752403][ C1] xmit_one+0x2b6/0x760 [ 147.756804][ C1] __dev_queue_xmit+0x3432/0x4600 [ 147.762183][ C1] dev_queue_xmit+0x4b/0x60 [ 147.767406][ C1] packet_sendmsg+0x86ee/0x99d0 [ 147.772284][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.777162][ C1] __sys_sendmsg+0x714/0x830 [ 147.781860][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.786532][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.791649][ C1] do_syscall_64+0x9f/0x140 [ 147.796166][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.802282][ C1] [ 147.804705][ C1] Uninit was stored to memory at: [ 147.810323][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.816131][ C1] __msan_chain_origin+0x54/0xa0 [ 147.821281][ C1] iptunnel_xmit+0xbd6/0xf20 [ 147.825890][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.831012][ C1] geneve_xmit+0x2139/0x3c40 [ 147.835603][ C1] xmit_one+0x2b6/0x760 [ 147.839766][ C1] __dev_queue_xmit+0x3432/0x4600 [ 147.844890][ C1] dev_queue_xmit+0x4b/0x60 [ 147.849392][ C1] packet_sendmsg+0x86ee/0x99d0 [ 147.854378][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.859263][ C1] __sys_sendmsg+0x714/0x830 [ 147.863901][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.868568][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.873326][ C1] do_syscall_64+0x9f/0x140 [ 147.877972][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.883891][ C1] [ 147.886243][ C1] Uninit was created at: [ 147.890546][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.896439][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 147.901546][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.907891][ C1] __alloc_skb+0x4dd/0xe90 [ 147.912351][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 147.917554][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.922784][ C1] packet_sendmsg+0x6a12/0x99d0 [ 147.927653][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.932601][ C1] __sys_sendmsg+0x714/0x830 [ 147.937266][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.942056][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.946904][ C1] do_syscall_64+0x9f/0x140 [ 147.951423][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 147.957327][ C1] ===================================================== [ 147.990853][ C1] ===================================================== [ 147.997825][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 148.004706][ C1] CPU: 1 PID: 8439 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.014878][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.025034][ C1] Call Trace: [ 148.028325][ C1] [ 148.031178][ C1] dump_stack+0x24c/0x2e0 [ 148.035532][ C1] kmsan_report+0xfb/0x1e0 [ 148.039971][ C1] __msan_warning+0x5c/0xa0 [ 148.044581][ C1] ip_rcv_core+0xf4c/0x1480 [ 148.049107][ C1] ip_rcv+0xc7/0x820 [ 148.053014][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.058207][ C1] __netif_receive_skb+0x1ec/0x640 [ 148.063491][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.069119][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 148.074786][ C1] process_backlog+0x517/0xbd0 [ 148.079547][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.084824][ C1] __napi_poll+0x13e/0xca0 [ 148.089241][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.095327][ C1] net_rx_action+0x726/0x14a0 [ 148.100001][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.105804][ C1] ? net_tx_action+0xd30/0xd30 [ 148.110647][ C1] __do_softirq+0x1b9/0x715 [ 148.115154][ C1] ? idle_cpu+0x9a/0x1d0 [ 148.119396][ C1] ? __irq_exit_rcu+0x83/0x280 [ 148.124439][ C1] do_softirq+0x123/0x1c0 [ 148.129082][ C1] [ 148.132087][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 148.137118][ C1] local_bh_enable+0x36/0x40 [ 148.141716][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 148.146926][ C1] dev_queue_xmit+0x4b/0x60 [ 148.151509][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.156827][ C1] packet_sendmsg+0x86ee/0x99d0 [ 148.161676][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.166966][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.172603][ C1] ? process_slab+0x13a8/0x1b70 [ 148.177508][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.183309][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.189495][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.194689][ C1] ? packet_getsockopt+0x1120/0x1120 [ 148.200008][ C1] __sys_sendmsg+0x714/0x830 [ 148.204599][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 148.210768][ C1] ? up_read+0x40/0x2b0 [ 148.214931][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.220133][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.225965][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.231192][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.235976][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.240822][ C1] do_syscall_64+0x9f/0x140 [ 148.245424][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.251404][ C1] RIP: 0033:0x443df9 [ 148.255389][ 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 [ 148.275084][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.283959][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.291953][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 148.299952][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.308006][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023d59 [ 148.316321][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 148.324379][ C1] [ 148.326845][ C1] Uninit was stored to memory at: [ 148.331963][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 148.337858][ C1] __msan_chain_origin+0x54/0xa0 [ 148.342794][ C1] iptunnel_xmit+0xbd6/0xf20 [ 148.347412][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 148.352711][ C1] geneve_xmit+0x2139/0x3c40 [ 148.357324][ C1] xmit_one+0x2b6/0x760 [ 148.361474][ C1] __dev_queue_xmit+0x3432/0x4600 [ 148.366509][ C1] dev_queue_xmit+0x4b/0x60 [ 148.371053][ C1] packet_sendmsg+0x86ee/0x99d0 [ 148.376071][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.380920][ C1] __sys_sendmsg+0x714/0x830 [ 148.385503][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.390177][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.394965][ C1] do_syscall_64+0x9f/0x140 [ 148.399890][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.406382][ C1] [ 148.408694][ C1] Uninit was created at: [ 148.413176][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.418977][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 148.423843][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.430209][ C1] __alloc_skb+0x4dd/0xe90 [ 148.434923][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 148.440554][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.446341][ C1] packet_sendmsg+0x6a12/0x99d0 [ 148.451847][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.460002][ C1] __sys_sendmsg+0x714/0x830 [ 148.465577][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.470841][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.476025][ C1] do_syscall_64+0x9f/0x140 [ 148.481457][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.487809][ C1] ===================================================== [ 148.495757][ C1] ===================================================== [ 148.503325][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 148.510910][ C1] CPU: 1 PID: 8439 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.522859][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.533329][ C1] Call Trace: [ 148.536624][ C1] [ 148.539661][ C1] dump_stack+0x24c/0x2e0 [ 148.544026][ C1] kmsan_report+0xfb/0x1e0 [ 148.548816][ C1] __msan_warning+0x5c/0xa0 [ 148.553476][ C1] ip_rcv_core+0xf5d/0x1480 [ 148.558189][ C1] ip_rcv+0xc7/0x820 [ 148.562477][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.567793][ C1] __netif_receive_skb+0x1ec/0x640 [ 148.572925][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.578876][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 148.584522][ C1] process_backlog+0x517/0xbd0 [ 148.589478][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.594847][ C1] __napi_poll+0x13e/0xca0 [ 148.599301][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.605369][ C1] net_rx_action+0x726/0x14a0 [ 148.610149][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.615946][ C1] ? net_tx_action+0xd30/0xd30 [ 148.620786][ C1] __do_softirq+0x1b9/0x715 [ 148.625282][ C1] ? idle_cpu+0x9a/0x1d0 [ 148.629520][ C1] ? __irq_exit_rcu+0x83/0x280 [ 148.634308][ C1] do_softirq+0x123/0x1c0 [ 148.638629][ C1] [ 148.641550][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 148.646822][ C1] local_bh_enable+0x36/0x40 [ 148.651431][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 148.656564][ C1] dev_queue_xmit+0x4b/0x60 [ 148.661065][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.666344][ C1] packet_sendmsg+0x86ee/0x99d0 [ 148.671319][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.676546][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.682173][ C1] ? process_slab+0x13a8/0x1b70 [ 148.687032][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.692831][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.698906][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.703875][ C1] ? packet_getsockopt+0x1120/0x1120 [ 148.709306][ C1] __sys_sendmsg+0x714/0x830 [ 148.714062][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 148.720036][ C1] ? up_read+0x40/0x2b0 [ 148.724203][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.729418][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.735216][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.740409][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.745078][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.749832][ C1] do_syscall_64+0x9f/0x140 [ 148.754431][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.760312][ C1] RIP: 0033:0x443df9 [ 148.764188][ 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 [ 148.784153][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.792574][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.800549][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 148.808576][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.816675][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023d59 [ 148.824655][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 148.832624][ C1] [ 148.834948][ C1] Uninit was stored to memory at: [ 148.839956][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 148.845778][ C1] __msan_chain_origin+0x54/0xa0 [ 148.850867][ C1] iptunnel_xmit+0xbd6/0xf20 [ 148.855458][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 148.860603][ C1] geneve_xmit+0x2139/0x3c40 [ 148.865186][ C1] xmit_one+0x2b6/0x760 [ 148.869422][ C1] __dev_queue_xmit+0x3432/0x4600 [ 148.874439][ C1] dev_queue_xmit+0x4b/0x60 [ 148.878941][ C1] packet_sendmsg+0x86ee/0x99d0 [ 148.883780][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.888730][ C1] __sys_sendmsg+0x714/0x830 [ 148.893322][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.898026][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.902879][ C1] do_syscall_64+0x9f/0x140 [ 148.907370][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.913453][ C1] [ 148.915911][ C1] Uninit was created at: [ 148.920218][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.926114][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 148.930789][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.936671][ C1] __alloc_skb+0x4dd/0xe90 [ 148.941074][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 148.946354][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.951541][ C1] packet_sendmsg+0x6a12/0x99d0 [ 148.956377][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.961229][ C1] __sys_sendmsg+0x714/0x830 [ 148.965815][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.970508][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.975260][ C1] do_syscall_64+0x9f/0x140 [ 148.979766][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.985990][ C1] ===================================================== [ 148.993154][ C1] ===================================================== [ 149.000092][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 149.007080][ C1] CPU: 1 PID: 8439 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.017246][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.027405][ C1] Call Trace: [ 149.030691][ C1] [ 149.033538][ C1] dump_stack+0x24c/0x2e0 [ 149.037894][ C1] kmsan_report+0xfb/0x1e0 [ 149.042330][ C1] __msan_warning+0x5c/0xa0 [ 149.046937][ C1] ip_rcv_core+0x1068/0x1480 [ 149.051579][ C1] ip_rcv+0xc7/0x820 [ 149.055490][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.060790][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.065926][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.071697][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.077353][ C1] process_backlog+0x517/0xbd0 [ 149.082204][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.087676][ C1] __napi_poll+0x13e/0xca0 [ 149.092098][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.098834][ C1] net_rx_action+0x726/0x14a0 [ 149.103527][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.109513][ C1] ? net_tx_action+0xd30/0xd30 [ 149.114271][ C1] __do_softirq+0x1b9/0x715 [ 149.118815][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.123103][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.127876][ C1] do_softirq+0x123/0x1c0 [ 149.132659][ C1] [ 149.135598][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.140623][ C1] local_bh_enable+0x36/0x40 [ 149.145292][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.150418][ C1] dev_queue_xmit+0x4b/0x60 [ 149.155014][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.160443][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.165312][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.170658][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.176540][ C1] ? process_slab+0x13a8/0x1b70 [ 149.181435][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.187289][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.193676][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.198544][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.203888][ C1] __sys_sendmsg+0x714/0x830 [ 149.208499][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.214678][ C1] ? up_read+0x40/0x2b0 [ 149.218966][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.224333][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.230221][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.235463][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.240274][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.245197][ C1] do_syscall_64+0x9f/0x140 [ 149.249763][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.255919][ C1] RIP: 0033:0x443df9 [ 149.259892][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 149.279585][ C1] RSP: 002b:00007fff31eac6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.288022][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 149.296167][ C1] RDX: 0000000000000000 RSI: 00000000200027c0 RDI: 0000000000000003 [ 149.304156][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.312251][ C1] R10: 00007fff31eac120 R11: 0000000000000246 R12: 0000000000023d59 [ 149.320306][ C1] R13: 00007fff31eac6d0 R14: 00007fff31eac6c0 R15: 00007fff31eac6b4 [ 149.328270][ C1] [ 149.330666][ C1] Uninit was stored to memory at: [ 149.335671][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.341403][ C1] __msan_chain_origin+0x54/0xa0 [ 149.346462][ C1] __ip_local_out+0x479/0x840 [ 149.351240][ C1] ip_local_out+0xa1/0x1e0 [ 149.355846][ C1] iptunnel_xmit+0x931/0xf20 [ 149.360518][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.365714][ C1] geneve_xmit+0x2139/0x3c40 [ 149.370323][ C1] xmit_one+0x2b6/0x760 [ 149.374579][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.379631][ C1] dev_queue_xmit+0x4b/0x60 [ 149.384128][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.389065][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.394010][ C1] __sys_sendmsg+0x714/0x830 [ 149.398675][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.403341][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.408181][ C1] do_syscall_64+0x9f/0x140 [ 149.412919][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.419445][ C1] [ 149.422035][ C1] Uninit was stored to memory at: [ 149.427373][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.433090][ C1] __msan_chain_origin+0x54/0xa0 [ 149.438117][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.442717][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.447996][ C1] geneve_xmit+0x2139/0x3c40 [ 149.452624][ C1] xmit_one+0x2b6/0x760 [ 149.456775][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.461812][ C1] dev_queue_xmit+0x4b/0x60 [ 149.466323][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.471346][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.476198][ C1] __sys_sendmsg+0x714/0x830 [ 149.480846][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.485653][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.490412][ C1] do_syscall_64+0x9f/0x140 [ 149.494945][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.500925][ C1] [ 149.503251][ C1] Uninit was created at: [ 149.507576][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.513291][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.518275][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.524861][ C1] __alloc_skb+0x4dd/0xe90 [ 149.529407][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.534702][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.540095][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 149.545129][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.550070][ C1] __sys_sendmsg+0x714/0x830 [ 149.554747][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.559422][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.564271][ C1] do_syscall_64+0x9f/0x140 [ 149.568868][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.574895][ C1] ===================================================== [ 149.606494][ C1] ===================================================== [ 149.613487][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.620487][ C1] CPU: 1 PID: 8440 Comm: syz-executor893 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.630849][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.641233][ C1] Call Trace: [ 149.644528][ C1] [ 149.647380][ C1] dump_stack+0x24c/0x2e0 [ 149.651820][ C1] kmsan_report+0xfb/0x1e0 [ 149.656348][ C1] __msan_warning+0x5c/0xa0 [ 149.660946][ C1] ip_rcv_core+0xf4c/0x1480 [ 149.665872][ C1] ip_rcv+0xc7/0x820 [ 149.669899][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.675119][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.680360][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.685982][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.691601][ C1] process_backlog+0x517/0xbd0 [ 149.696351][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.701626][ C1] __napi_poll+0x13e/0xca0 [ 149.706063][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.712115][ C1] net_rx_action+0x726/0x14a0 [ 149.716791][ C1] ? net_tx_action+0xd30/0xd30 [ 149.721739][ C1] __do_softirq+0x1b9/0x715 [ 149.726239][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.730610][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.735752][ C1] do_softirq+0x123/0x1c0 [ 149.740179][ C1] [ 149.743201][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.748399][ C1] local_bh_enable+0x36/0x40 [ 149.753347][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.758386][ C1] dev_queue_xmit+0x4b/0x60 [ 149.763062][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.768341][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.773209][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.778414][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.784059][ C1] ? process_slab+0x13a8/0x1b70 [ 149.789043][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.794852][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.800922][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.805857][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.811133][ C1] __sys_sendmsg+0x714/0x830 [ 149.815724][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.821355][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.827411][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.833400][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.838702][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.843446][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.848392][ C1] do_syscall_64+0x9f/0x140