[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. syzkaller login: [ 136.430992][ T8226] IPVS: ftp: loaded support on port[0] = 21 [ 136.589633][ T8226] chnl_net:caif_netlink_parms(): no params data found [ 136.672784][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.680323][ T8226] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.689896][ T8226] device bridge_slave_0 entered promiscuous mode [ 136.700325][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.707806][ T8226] bridge0: port 2(bridge_slave_1) entered disabled state [ 136.717293][ T8226] device bridge_slave_1 entered promiscuous mode [ 136.750636][ T8226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 136.763855][ T8226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 136.797557][ T8226] team0: Port device team_slave_0 added [ 136.809281][ T8226] team0: Port device team_slave_1 added [ 136.838179][ T8226] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 136.845257][ T8226] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 136.871889][ T8226] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 136.885902][ T8226] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 136.892947][ T8226] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 136.919545][ T8226] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 136.961100][ T8226] device hsr_slave_0 entered promiscuous mode [ 136.968727][ T8226] device hsr_slave_1 entered promiscuous mode [ 137.142788][ T8226] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 137.156377][ T8226] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 137.174156][ T8226] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 137.192111][ T8226] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 137.272486][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 137.280911][ T8226] bridge0: port 2(bridge_slave_1) entered forwarding state [ 137.288899][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 137.296560][ T8226] bridge0: port 1(bridge_slave_0) entered forwarding state [ 137.372261][ T8226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 137.393141][ T2057] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 137.404144][ T2057] bridge0: port 1(bridge_slave_0) entered disabled state [ 137.416805][ T2057] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.428309][ T2057] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 137.445564][ T8226] 8021q: adding VLAN 0 to HW filter on device team0 [ 137.462795][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 137.472151][ T1979] bridge0: port 1(bridge_slave_0) entered blocking state [ 137.479610][ T1979] bridge0: port 1(bridge_slave_0) entered forwarding state [ 137.496358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 137.505856][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 137.513366][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 137.545156][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 137.556250][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 137.563143][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 137.582670][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 137.592201][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 137.616659][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 137.626960][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 137.636468][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 137.645924][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 137.662938][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 137.692967][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 137.701297][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 137.721529][ T8226] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 137.753530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 137.764455][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 137.797222][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 137.806985][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 137.822403][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 137.831780][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 137.844411][ T8226] device veth0_vlan entered promiscuous mode [ 137.863163][ T8226] device veth1_vlan entered promiscuous mode [ 137.904320][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 137.913641][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 137.923255][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 137.932968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 137.949950][ T8226] device veth0_macvtap entered promiscuous mode [ 137.963433][ T8226] device veth1_macvtap entered promiscuous mode [ 137.996675][ T8226] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 138.012290][ T8226] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 138.020953][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 138.032614][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 138.042529][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 138.052834][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 138.063319][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 138.073429][ T1979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 138.090455][ T8226] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.099580][ T8226] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.108814][ T8226] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 138.119410][ T8226] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 138.249339][ C0] ===================================================== [ 138.256319][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 138.263394][ C0] CPU: 0 PID: 8437 Comm: syz-executor807 Not tainted 5.12.0-rc6-syzkaller #0 [ 138.272454][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.282733][ C0] Call Trace: [ 138.286018][ C0] [ 138.288861][ C0] dump_stack+0x24c/0x2e0 [ 138.293297][ C0] kmsan_report+0xfb/0x1e0 [ 138.298076][ C0] __msan_warning+0x5c/0xa0 [ 138.302701][ C0] ip_rcv_core+0xf4c/0x1480 [ 138.307249][ C0] ip_rcv+0xc7/0x820 [ 138.311160][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.316634][ C0] __netif_receive_skb+0x1ec/0x640 [ 138.321770][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.327591][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 138.333373][ C0] process_backlog+0x517/0xbd0 [ 138.338140][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 138.343427][ C0] __napi_poll+0x13e/0xca0 [ 138.347902][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.353984][ C0] net_rx_action+0x726/0x14a0 [ 138.358741][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.364550][ C0] ? net_tx_action+0xd30/0xd30 [ 138.369361][ C0] __do_softirq+0x1b9/0x715 [ 138.373879][ C0] ? idle_cpu+0x9a/0x1d0 [ 138.378123][ C0] ? __irq_exit_rcu+0x83/0x280 [ 138.382899][ C0] do_softirq+0x123/0x1c0 [ 138.387219][ C0] [ 138.390138][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 138.395200][ C0] local_bh_enable+0x36/0x40 [ 138.399863][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 138.404904][ C0] dev_queue_xmit+0x4b/0x60 [ 138.409543][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 138.414840][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.419838][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.425045][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.430855][ C0] ? process_slab+0x13a8/0x1b70 [ 138.435713][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.441544][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.447677][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.452630][ C0] ? packet_getsockopt+0x1120/0x1120 [ 138.458019][ C0] __sys_sendmsg+0x714/0x830 [ 138.462604][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.468227][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 138.474289][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 138.480262][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.485462][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.490143][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.495091][ C0] do_syscall_64+0x9f/0x140 [ 138.499595][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.505485][ C0] RIP: 0033:0x443df9 [ 138.509391][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 138.529396][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.537944][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 138.545922][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 138.553998][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 138.561993][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00007ffff0dc0d00 [ 138.569962][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 0000000000000003 [ 138.577954][ C0] [ 138.580269][ C0] Uninit was stored to memory at: [ 138.585274][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 138.591009][ C0] __msan_chain_origin+0x54/0xa0 [ 138.595990][ C0] iptunnel_xmit+0xbd6/0xf20 [ 138.600609][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 138.605740][ C0] geneve_xmit+0x2139/0x3c40 [ 138.610437][ C0] xmit_one+0x2b6/0x760 [ 138.614594][ C0] __dev_queue_xmit+0x3432/0x4600 [ 138.619644][ C0] dev_queue_xmit+0x4b/0x60 [ 138.624155][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.629001][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.633868][ C0] __sys_sendmsg+0x714/0x830 [ 138.638556][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.643236][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.648036][ C0] do_syscall_64+0x9f/0x140 [ 138.652579][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.658510][ C0] [ 138.660829][ C0] Uninit was created at: [ 138.665056][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 138.671617][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 138.676679][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 138.682622][ C0] __alloc_skb+0x4dd/0xe90 [ 138.687145][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 138.692348][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 138.697590][ C0] packet_sendmsg+0x6a12/0x99d0 [ 138.702452][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.707313][ C0] __sys_sendmsg+0x714/0x830 [ 138.712030][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.716735][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.721545][ C0] do_syscall_64+0x9f/0x140 [ 138.726048][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.731958][ C0] ===================================================== [ 138.738958][ C0] Disabling lock debugging due to kernel taint [ 138.745385][ C0] ===================================================== [ 138.752329][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 138.759209][ C0] CPU: 0 PID: 8437 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.769633][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.779907][ C0] Call Trace: [ 138.783188][ C0] [ 138.786113][ C0] dump_stack+0x24c/0x2e0 [ 138.790450][ C0] kmsan_report+0xfb/0x1e0 [ 138.794873][ C0] __msan_warning+0x5c/0xa0 [ 138.799523][ C0] ip_rcv_core+0xf5d/0x1480 [ 138.804521][ C0] ip_rcv+0xc7/0x820 [ 138.808440][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.813866][ C0] __netif_receive_skb+0x1ec/0x640 [ 138.819102][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.824771][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 138.830443][ C0] process_backlog+0x517/0xbd0 [ 138.835249][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 138.840668][ C0] __napi_poll+0x13e/0xca0 [ 138.845111][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.851209][ C0] net_rx_action+0x726/0x14a0 [ 138.855934][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.861951][ C0] ? net_tx_action+0xd30/0xd30 [ 138.866746][ C0] __do_softirq+0x1b9/0x715 [ 138.871282][ C0] ? idle_cpu+0x9a/0x1d0 [ 138.875592][ C0] ? __irq_exit_rcu+0x83/0x280 [ 138.880383][ C0] do_softirq+0x123/0x1c0 [ 138.884739][ C0] [ 138.887681][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 138.893109][ C0] local_bh_enable+0x36/0x40 [ 138.897909][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 138.902952][ C0] dev_queue_xmit+0x4b/0x60 [ 138.907492][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 138.912814][ C0] packet_sendmsg+0x86ee/0x99d0 [ 138.917786][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.922979][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.928725][ C0] ? process_slab+0x13a8/0x1b70 [ 138.933661][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.939548][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 138.945647][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 138.950511][ C0] ? packet_getsockopt+0x1120/0x1120 [ 138.955813][ C0] __sys_sendmsg+0x714/0x830 [ 138.960465][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.966089][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 138.972171][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 138.978276][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.983470][ C0] __se_sys_sendmsg+0x97/0xb0 [ 138.988245][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 138.993383][ C0] do_syscall_64+0x9f/0x140 [ 138.998005][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.004182][ C0] RIP: 0033:0x443df9 [ 139.008161][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 139.028354][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.036775][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 139.044746][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 139.052728][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 139.060794][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00007ffff0dc0d00 [ 139.068899][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 0000000000000003 [ 139.076878][ C0] [ 139.079199][ C0] Uninit was stored to memory at: [ 139.084199][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 139.090122][ C0] __msan_chain_origin+0x54/0xa0 [ 139.095076][ C0] iptunnel_xmit+0xbd6/0xf20 [ 139.100047][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 139.105161][ C0] geneve_xmit+0x2139/0x3c40 [ 139.109776][ C0] xmit_one+0x2b6/0x760 [ 139.114154][ C0] __dev_queue_xmit+0x3432/0x4600 [ 139.119245][ C0] dev_queue_xmit+0x4b/0x60 [ 139.124131][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.128986][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.133969][ C0] __sys_sendmsg+0x714/0x830 [ 139.138669][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.143348][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.148111][ C0] do_syscall_64+0x9f/0x140 [ 139.152641][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.158727][ C0] [ 139.161041][ C0] Uninit was created at: [ 139.165296][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 139.171266][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 139.175984][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 139.182023][ C0] __alloc_skb+0x4dd/0xe90 [ 139.186572][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 139.191941][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 139.197225][ C0] packet_sendmsg+0x6a12/0x99d0 [ 139.202075][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.206927][ C0] __sys_sendmsg+0x714/0x830 [ 139.211523][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.216215][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.220986][ C0] do_syscall_64+0x9f/0x140 [ 139.225488][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.231411][ C0] ===================================================== [ 139.238492][ C0] ===================================================== [ 139.245492][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 139.252455][ C0] CPU: 0 PID: 8437 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.262649][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.272722][ C0] Call Trace: [ 139.276022][ C0] [ 139.279055][ C0] dump_stack+0x24c/0x2e0 [ 139.283517][ C0] kmsan_report+0xfb/0x1e0 [ 139.287970][ C0] __msan_warning+0x5c/0xa0 [ 139.292509][ C0] ip_rcv_core+0x1068/0x1480 [ 139.297137][ C0] ip_rcv+0xc7/0x820 [ 139.301061][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.306294][ C0] __netif_receive_skb+0x1ec/0x640 [ 139.311486][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.317360][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 139.322992][ C0] process_backlog+0x517/0xbd0 [ 139.327761][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 139.333100][ C0] __napi_poll+0x13e/0xca0 [ 139.337603][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.343692][ C0] net_rx_action+0x726/0x14a0 [ 139.348390][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.354201][ C0] ? net_tx_action+0xd30/0xd30 [ 139.358959][ C0] __do_softirq+0x1b9/0x715 [ 139.363571][ C0] ? idle_cpu+0x9a/0x1d0 [ 139.367855][ C0] ? __irq_exit_rcu+0x83/0x280 [ 139.372637][ C0] do_softirq+0x123/0x1c0 [ 139.376970][ C0] [ 139.379893][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 139.384934][ C0] local_bh_enable+0x36/0x40 [ 139.389641][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 139.394689][ C0] dev_queue_xmit+0x4b/0x60 [ 139.399227][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 139.404511][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.409546][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.414785][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.420453][ C0] ? process_slab+0x13a8/0x1b70 [ 139.425480][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.431284][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.437371][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.442325][ C0] ? packet_getsockopt+0x1120/0x1120 [ 139.449446][ C0] __sys_sendmsg+0x714/0x830 [ 139.454057][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.459687][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 139.465760][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 139.471778][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.476980][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.481834][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.486599][ C0] do_syscall_64+0x9f/0x140 [ 139.491102][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.497127][ C0] RIP: 0033:0x443df9 [ 139.501019][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 139.520991][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.529403][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 139.537373][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 139.545362][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 139.553352][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00007ffff0dc0d00 [ 139.561355][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 0000000000000003 [ 139.569445][ C0] [ 139.571783][ C0] Uninit was stored to memory at: [ 139.576907][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 139.582631][ C0] __msan_chain_origin+0x54/0xa0 [ 139.587577][ C0] __ip_local_out+0x479/0x840 [ 139.592268][ C0] ip_local_out+0xa1/0x1e0 [ 139.596676][ C0] iptunnel_xmit+0x931/0xf20 [ 139.601272][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 139.606375][ C0] geneve_xmit+0x2139/0x3c40 [ 139.610958][ C0] xmit_one+0x2b6/0x760 [ 139.615108][ C0] __dev_queue_xmit+0x3432/0x4600 [ 139.620263][ C0] dev_queue_xmit+0x4b/0x60 [ 139.624761][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.629623][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.634487][ C0] __sys_sendmsg+0x714/0x830 [ 139.639352][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.644023][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.648779][ C0] do_syscall_64+0x9f/0x140 [ 139.653291][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.659270][ C0] [ 139.661614][ C0] Uninit was stored to memory at: [ 139.666899][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 139.672625][ C0] __msan_chain_origin+0x54/0xa0 [ 139.677554][ C0] iptunnel_xmit+0xbd6/0xf20 [ 139.682140][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 139.687360][ C0] geneve_xmit+0x2139/0x3c40 [ 139.691952][ C0] xmit_one+0x2b6/0x760 [ 139.696107][ C0] __dev_queue_xmit+0x3432/0x4600 [ 139.701158][ C0] dev_queue_xmit+0x4b/0x60 [ 139.705656][ C0] packet_sendmsg+0x86ee/0x99d0 [ 139.710519][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.715375][ C0] __sys_sendmsg+0x714/0x830 [ 139.719991][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.724696][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.729477][ C0] do_syscall_64+0x9f/0x140 [ 139.733991][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.739965][ C0] [ 139.742280][ C0] Uninit was created at: [ 139.746507][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 139.752223][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 139.756892][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 139.762869][ C0] __alloc_skb+0x4dd/0xe90 [ 139.767278][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 139.772474][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 139.777699][ C0] packet_sendmsg+0x6a12/0x99d0 [ 139.782659][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 139.787508][ C0] __sys_sendmsg+0x714/0x830 [ 139.792118][ C0] __se_sys_sendmsg+0x97/0xb0 [ 139.796804][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 139.801578][ C0] do_syscall_64+0x9f/0x140 [ 139.806078][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.812001][ C0] ===================================================== executing program [ 139.874811][ C1] ===================================================== [ 139.881814][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 139.888783][ C1] CPU: 1 PID: 8439 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.899046][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.909118][ C1] Call Trace: [ 139.912416][ C1] [ 139.915291][ C1] dump_stack+0x24c/0x2e0 [ 139.919657][ C1] kmsan_report+0xfb/0x1e0 [ 139.924118][ C1] __msan_warning+0x5c/0xa0 [ 139.928771][ C1] ip_rcv_core+0xf4c/0x1480 [ 139.933272][ C1] ip_rcv+0xc7/0x820 [ 139.937159][ C1] ? kmsan_get_metadata+0x116/0x180 [ 139.942422][ C1] __netif_receive_skb+0x1ec/0x640 [ 139.947525][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.953145][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 139.958767][ C1] process_backlog+0x517/0xbd0 [ 139.963519][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 139.968789][ C1] __napi_poll+0x13e/0xca0 [ 139.973202][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 139.979264][ C1] net_rx_action+0x726/0x14a0 [ 139.983942][ C1] ? net_tx_action+0xd30/0xd30 [ 139.988874][ C1] __do_softirq+0x1b9/0x715 [ 139.993362][ C1] ? idle_cpu+0x9a/0x1d0 [ 139.997592][ C1] ? __irq_exit_rcu+0x83/0x280 [ 140.002345][ C1] do_softirq+0x123/0x1c0 [ 140.006660][ C1] [ 140.009572][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 140.014586][ C1] local_bh_enable+0x36/0x40 [ 140.019187][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 140.024224][ C1] dev_queue_xmit+0x4b/0x60 [ 140.028751][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.034042][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.039142][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.044467][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.050092][ C1] ? process_slab+0x13a8/0x1b70 [ 140.055046][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.060838][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.066987][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.071824][ C1] ? packet_getsockopt+0x1120/0x1120 [ 140.077094][ C1] __sys_sendmsg+0x714/0x830 [ 140.081670][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.087284][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 140.093422][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 140.099386][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.104594][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.109266][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.114025][ C1] do_syscall_64+0x9f/0x140 [ 140.118528][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.124438][ C1] RIP: 0033:0x443df9 [ 140.128402][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 140.148184][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.156584][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 140.164542][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 140.172512][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 140.180480][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000021c2c [ 140.188442][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 140.196488][ C1] [ 140.198792][ C1] Uninit was stored to memory at: [ 140.203915][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 140.209637][ C1] __msan_chain_origin+0x54/0xa0 [ 140.214567][ C1] iptunnel_xmit+0xbd6/0xf20 [ 140.219159][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 140.224255][ C1] geneve_xmit+0x2139/0x3c40 [ 140.228842][ C1] xmit_one+0x2b6/0x760 [ 140.232984][ C1] __dev_queue_xmit+0x3432/0x4600 [ 140.238199][ C1] dev_queue_xmit+0x4b/0x60 [ 140.242695][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.247532][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.252368][ C1] __sys_sendmsg+0x714/0x830 [ 140.256941][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.261599][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.266352][ C1] do_syscall_64+0x9f/0x140 [ 140.270860][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.277117][ C1] [ 140.279435][ C1] Uninit was created at: [ 140.283649][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 140.289372][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 140.294034][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 140.300087][ C1] __alloc_skb+0x4dd/0xe90 [ 140.305117][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 140.310324][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 140.315787][ C1] packet_sendmsg+0x6a12/0x99d0 [ 140.320736][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.325668][ C1] __sys_sendmsg+0x714/0x830 [ 140.330264][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.334930][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.339701][ C1] do_syscall_64+0x9f/0x140 [ 140.344228][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.350108][ C1] ===================================================== [ 140.357291][ C1] ===================================================== [ 140.364263][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 140.371143][ C1] CPU: 1 PID: 8439 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.381447][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.391520][ C1] Call Trace: [ 140.394900][ C1] [ 140.397783][ C1] dump_stack+0x24c/0x2e0 [ 140.402171][ C1] kmsan_report+0xfb/0x1e0 [ 140.406662][ C1] __msan_warning+0x5c/0xa0 [ 140.411200][ C1] ip_rcv_core+0xf5d/0x1480 [ 140.415848][ C1] ip_rcv+0xc7/0x820 [ 140.419769][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.424993][ C1] __netif_receive_skb+0x1ec/0x640 [ 140.430127][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.435786][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 140.441549][ C1] process_backlog+0x517/0xbd0 [ 140.446311][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.451608][ C1] __napi_poll+0x13e/0xca0 [ 140.456040][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.462150][ C1] net_rx_action+0x726/0x14a0 [ 140.466930][ C1] ? net_tx_action+0xd30/0xd30 [ 140.471699][ C1] __do_softirq+0x1b9/0x715 [ 140.476214][ C1] ? idle_cpu+0x9a/0x1d0 [ 140.480454][ C1] ? __irq_exit_rcu+0x83/0x280 [ 140.485210][ C1] do_softirq+0x123/0x1c0 [ 140.489534][ C1] [ 140.492455][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 140.497575][ C1] local_bh_enable+0x36/0x40 [ 140.502251][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 140.507361][ C1] dev_queue_xmit+0x4b/0x60 [ 140.511871][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 140.517279][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.522150][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.527347][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.532984][ C1] ? process_slab+0x13a8/0x1b70 [ 140.537972][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.543860][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.549929][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.554808][ C1] ? packet_getsockopt+0x1120/0x1120 [ 140.560129][ C1] __sys_sendmsg+0x714/0x830 [ 140.564823][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.570459][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 140.576811][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 140.582806][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.588075][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.592789][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.597615][ C1] do_syscall_64+0x9f/0x140 [ 140.602756][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.608859][ C1] RIP: 0033:0x443df9 [ 140.612778][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 140.632471][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.640920][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 140.649495][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 140.658389][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 140.666378][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000021c2c [ 140.674400][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 140.682474][ C1] [ 140.684792][ C1] Uninit was stored to memory at: [ 140.689800][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 140.695550][ C1] __msan_chain_origin+0x54/0xa0 [ 140.700514][ C1] iptunnel_xmit+0xbd6/0xf20 [ 140.705133][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 140.710252][ C1] geneve_xmit+0x2139/0x3c40 [ 140.715094][ C1] xmit_one+0x2b6/0x760 [ 140.719271][ C1] __dev_queue_xmit+0x3432/0x4600 [ 140.724291][ C1] dev_queue_xmit+0x4b/0x60 [ 140.728904][ C1] packet_sendmsg+0x86ee/0x99d0 [ 140.733780][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.738669][ C1] __sys_sendmsg+0x714/0x830 [ 140.743255][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.747924][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.752948][ C1] do_syscall_64+0x9f/0x140 [ 140.757882][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.763771][ C1] [ 140.766085][ C1] Uninit was created at: [ 140.770310][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 140.776355][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 140.781115][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 140.787039][ C1] __alloc_skb+0x4dd/0xe90 [ 140.791461][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 140.796658][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 140.801896][ C1] packet_sendmsg+0x6a12/0x99d0 [ 140.806753][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 140.811687][ C1] __sys_sendmsg+0x714/0x830 [ 140.816288][ C1] __se_sys_sendmsg+0x97/0xb0 [ 140.821310][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 140.826083][ C1] do_syscall_64+0x9f/0x140 [ 140.830578][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.836502][ C1] ===================================================== [ 140.843677][ C1] ===================================================== [ 140.850628][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 140.857622][ C1] CPU: 1 PID: 8439 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.867966][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.878134][ C1] Call Trace: [ 140.881425][ C1] [ 140.884311][ C1] dump_stack+0x24c/0x2e0 [ 140.888670][ C1] kmsan_report+0xfb/0x1e0 [ 140.893114][ C1] __msan_warning+0x5c/0xa0 [ 140.897641][ C1] ip_rcv_core+0x1068/0x1480 [ 140.902262][ C1] ip_rcv+0xc7/0x820 [ 140.906185][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.911410][ C1] __netif_receive_skb+0x1ec/0x640 [ 140.916545][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.922199][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 140.927867][ C1] process_backlog+0x517/0xbd0 [ 140.932632][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 140.937913][ C1] __napi_poll+0x13e/0xca0 [ 140.942326][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.948423][ C1] net_rx_action+0x726/0x14a0 [ 140.953161][ C1] ? net_tx_action+0xd30/0xd30 [ 140.957927][ C1] __do_softirq+0x1b9/0x715 [ 140.962533][ C1] ? idle_cpu+0x9a/0x1d0 [ 140.966861][ C1] ? __irq_exit_rcu+0x83/0x280 [ 140.971621][ C1] do_softirq+0x123/0x1c0 [ 140.975949][ C1] [ 140.978874][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 140.983894][ C1] local_bh_enable+0x36/0x40 [ 140.988516][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 140.993557][ C1] dev_queue_xmit+0x4b/0x60 [ 140.998071][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.003360][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.008305][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.013873][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.019527][ C1] ? process_slab+0x13a8/0x1b70 [ 141.024540][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.030368][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.036463][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.041321][ C1] ? packet_getsockopt+0x1120/0x1120 [ 141.046638][ C1] __sys_sendmsg+0x714/0x830 [ 141.051436][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.057261][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 141.063352][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 141.069361][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.074575][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.079262][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.084158][ C1] do_syscall_64+0x9f/0x140 [ 141.088871][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.094977][ C1] RIP: 0033:0x443df9 [ 141.098868][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 141.118647][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.127061][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 141.135024][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 141.142988][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.151048][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000021c2c [ 141.159015][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 141.167011][ C1] [ 141.169323][ C1] Uninit was stored to memory at: [ 141.174322][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 141.180032][ C1] __msan_chain_origin+0x54/0xa0 [ 141.184957][ C1] __ip_local_out+0x479/0x840 [ 141.189659][ C1] ip_local_out+0xa1/0x1e0 [ 141.194160][ C1] iptunnel_xmit+0x931/0xf20 [ 141.198754][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 141.203874][ C1] geneve_xmit+0x2139/0x3c40 [ 141.208489][ C1] xmit_one+0x2b6/0x760 [ 141.212661][ C1] __dev_queue_xmit+0x3432/0x4600 [ 141.217677][ C1] dev_queue_xmit+0x4b/0x60 [ 141.222205][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.227104][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.231965][ C1] __sys_sendmsg+0x714/0x830 [ 141.236540][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.241202][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.245951][ C1] do_syscall_64+0x9f/0x140 [ 141.250440][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.256426][ C1] [ 141.258750][ C1] Uninit was stored to memory at: [ 141.263751][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 141.269554][ C1] __msan_chain_origin+0x54/0xa0 [ 141.274507][ C1] iptunnel_xmit+0xbd6/0xf20 [ 141.279382][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 141.284486][ C1] geneve_xmit+0x2139/0x3c40 [ 141.289230][ C1] xmit_one+0x2b6/0x760 [ 141.293685][ C1] __dev_queue_xmit+0x3432/0x4600 [ 141.298715][ C1] dev_queue_xmit+0x4b/0x60 [ 141.303217][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.308289][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.313201][ C1] __sys_sendmsg+0x714/0x830 [ 141.317957][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.322626][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.327540][ C1] do_syscall_64+0x9f/0x140 [ 141.332036][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.337961][ C1] [ 141.340355][ C1] Uninit was created at: [ 141.344579][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.350366][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 141.355046][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.361050][ C1] __alloc_skb+0x4dd/0xe90 [ 141.365528][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 141.370724][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.375931][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 141.380800][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.385670][ C1] __sys_sendmsg+0x714/0x830 [ 141.390697][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.395362][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.400129][ C1] do_syscall_64+0x9f/0x140 [ 141.404910][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.410906][ C1] ===================================================== [ 141.460216][ C1] ===================================================== [ 141.467187][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 141.474111][ C1] CPU: 1 PID: 8440 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.484286][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.494477][ C1] Call Trace: [ 141.497771][ C1] [ 141.500623][ C1] dump_stack+0x24c/0x2e0 [ 141.505081][ C1] kmsan_report+0xfb/0x1e0 [ 141.509953][ C1] __msan_warning+0x5c/0xa0 [ 141.514476][ C1] ip_rcv_core+0xf4c/0x1480 [ 141.519036][ C1] ip_rcv+0xc7/0x820 [ 141.522954][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.528196][ C1] __netif_receive_skb+0x1ec/0x640 [ 141.533326][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.538978][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 141.544652][ C1] process_backlog+0x517/0xbd0 [ 141.549439][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 141.554877][ C1] __napi_poll+0x13e/0xca0 [ 141.559438][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.565549][ C1] net_rx_action+0x726/0x14a0 [ 141.570221][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.576026][ C1] ? net_tx_action+0xd30/0xd30 [ 141.580780][ C1] __do_softirq+0x1b9/0x715 [ 141.585463][ C1] ? idle_cpu+0x9a/0x1d0 [ 141.589717][ C1] ? __irq_exit_rcu+0x83/0x280 [ 141.594590][ C1] do_softirq+0x123/0x1c0 [ 141.598913][ C1] [ 141.601844][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 141.606884][ C1] local_bh_enable+0x36/0x40 [ 141.611464][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 141.616484][ C1] dev_queue_xmit+0x4b/0x60 [ 141.620999][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.626361][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.631279][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.636508][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.642316][ C1] ? process_slab+0x13a8/0x1b70 [ 141.647418][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.653301][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.659393][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.664257][ C1] ? packet_getsockopt+0x1120/0x1120 [ 141.669666][ C1] __sys_sendmsg+0x714/0x830 [ 141.674255][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.679896][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 141.686089][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 141.692228][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.697431][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.702195][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.706960][ C1] do_syscall_64+0x9f/0x140 [ 141.711470][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.717469][ C1] RIP: 0033:0x443df9 [ 141.721406][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 141.741198][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.749753][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 141.757717][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 141.765693][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.773653][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002228f [ 141.781614][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 141.789593][ C1] [ 141.791909][ C1] Uninit was stored to memory at: [ 141.796910][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 141.802631][ C1] __msan_chain_origin+0x54/0xa0 [ 141.807576][ C1] iptunnel_xmit+0xbd6/0xf20 [ 141.812167][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 141.817364][ C1] geneve_xmit+0x2139/0x3c40 [ 141.821946][ C1] xmit_one+0x2b6/0x760 [ 141.826092][ C1] __dev_queue_xmit+0x3432/0x4600 [ 141.831144][ C1] dev_queue_xmit+0x4b/0x60 [ 141.835663][ C1] packet_sendmsg+0x86ee/0x99d0 [ 141.840500][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.845338][ C1] __sys_sendmsg+0x714/0x830 [ 141.849926][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.854589][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.859338][ C1] do_syscall_64+0x9f/0x140 [ 141.863828][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.869718][ C1] [ 141.872038][ C1] Uninit was created at: [ 141.876344][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 141.882090][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 141.886876][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 141.892937][ C1] __alloc_skb+0x4dd/0xe90 [ 141.898852][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 141.904041][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 141.909236][ C1] packet_sendmsg+0x6a12/0x99d0 [ 141.914102][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 141.918999][ C1] __sys_sendmsg+0x714/0x830 [ 141.923594][ C1] __se_sys_sendmsg+0x97/0xb0 [ 141.928448][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 141.933206][ C1] do_syscall_64+0x9f/0x140 [ 141.937733][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.943615][ C1] ===================================================== [ 141.950689][ C1] ===================================================== [ 141.957734][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 141.964702][ C1] CPU: 1 PID: 8440 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.974859][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.985058][ C1] Call Trace: [ 141.988358][ C1] [ 141.991216][ C1] dump_stack+0x24c/0x2e0 [ 141.995576][ C1] kmsan_report+0xfb/0x1e0 [ 142.000014][ C1] __msan_warning+0x5c/0xa0 [ 142.004541][ C1] ip_rcv_core+0xf5d/0x1480 [ 142.009081][ C1] ip_rcv+0xc7/0x820 [ 142.013012][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.018244][ C1] __netif_receive_skb+0x1ec/0x640 [ 142.023384][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.029018][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 142.034860][ C1] process_backlog+0x517/0xbd0 [ 142.039854][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 142.045273][ C1] __napi_poll+0x13e/0xca0 [ 142.049733][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.055800][ C1] net_rx_action+0x726/0x14a0 [ 142.060472][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.066360][ C1] ? net_tx_action+0xd30/0xd30 [ 142.071129][ C1] __do_softirq+0x1b9/0x715 [ 142.075620][ C1] ? idle_cpu+0x9a/0x1d0 [ 142.079857][ C1] ? __irq_exit_rcu+0x83/0x280 [ 142.084611][ C1] do_softirq+0x123/0x1c0 [ 142.088936][ C1] [ 142.091964][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 142.096983][ C1] local_bh_enable+0x36/0x40 [ 142.101569][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 142.106588][ C1] dev_queue_xmit+0x4b/0x60 [ 142.111183][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.116564][ C1] packet_sendmsg+0x86ee/0x99d0 [ 142.121410][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.126652][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.132316][ C1] ? process_slab+0x13a8/0x1b70 [ 142.137166][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.142962][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.149174][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.154018][ C1] ? packet_getsockopt+0x1120/0x1120 [ 142.159302][ C1] __sys_sendmsg+0x714/0x830 [ 142.163885][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.169604][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.175675][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 142.181654][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.186865][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.191558][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.196333][ C1] do_syscall_64+0x9f/0x140 [ 142.201112][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.207008][ C1] RIP: 0033:0x443df9 [ 142.210887][ 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 [ 142.230489][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.238914][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.246981][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 142.254948][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.262999][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002228f [ 142.270974][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 142.279202][ C1] [ 142.281531][ C1] Uninit was stored to memory at: [ 142.286541][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 142.292371][ C1] __msan_chain_origin+0x54/0xa0 [ 142.297424][ C1] iptunnel_xmit+0xbd6/0xf20 [ 142.302027][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 142.307236][ C1] geneve_xmit+0x2139/0x3c40 [ 142.311851][ C1] xmit_one+0x2b6/0x760 [ 142.316151][ C1] __dev_queue_xmit+0x3432/0x4600 [ 142.321183][ C1] dev_queue_xmit+0x4b/0x60 [ 142.325677][ C1] packet_sendmsg+0x86ee/0x99d0 [ 142.330514][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.335365][ C1] __sys_sendmsg+0x714/0x830 [ 142.339943][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.344612][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.349378][ C1] do_syscall_64+0x9f/0x140 [ 142.353877][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.359757][ C1] [ 142.362154][ C1] Uninit was created at: [ 142.366369][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.372080][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 142.376743][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 142.382724][ C1] __alloc_skb+0x4dd/0xe90 [ 142.387128][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 142.392318][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.397532][ C1] packet_sendmsg+0x6a12/0x99d0 [ 142.402371][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.407225][ C1] __sys_sendmsg+0x714/0x830 [ 142.411831][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.416532][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.421457][ C1] do_syscall_64+0x9f/0x140 [ 142.425949][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.431828][ C1] ===================================================== [ 142.438906][ C1] ===================================================== [ 142.445869][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 142.452830][ C1] CPU: 1 PID: 8440 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.463116][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.473577][ C1] Call Trace: [ 142.476870][ C1] [ 142.479823][ C1] dump_stack+0x24c/0x2e0 [ 142.484185][ C1] kmsan_report+0xfb/0x1e0 [ 142.488754][ C1] __msan_warning+0x5c/0xa0 [ 142.493410][ C1] ip_rcv_core+0x1068/0x1480 [ 142.498175][ C1] ip_rcv+0xc7/0x820 [ 142.502100][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.507323][ C1] __netif_receive_skb+0x1ec/0x640 [ 142.512456][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.518132][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 142.523836][ C1] process_backlog+0x517/0xbd0 [ 142.528603][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 142.533963][ C1] __napi_poll+0x13e/0xca0 [ 142.538369][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.544428][ C1] net_rx_action+0x726/0x14a0 [ 142.549113][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.554942][ C1] ? net_tx_action+0xd30/0xd30 [ 142.559695][ C1] __do_softirq+0x1b9/0x715 [ 142.564211][ C1] ? idle_cpu+0x9a/0x1d0 [ 142.568456][ C1] ? __irq_exit_rcu+0x83/0x280 [ 142.573213][ C1] do_softirq+0x123/0x1c0 [ 142.577570][ C1] [ 142.580487][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 142.585501][ C1] local_bh_enable+0x36/0x40 [ 142.590126][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 142.595239][ C1] dev_queue_xmit+0x4b/0x60 [ 142.599748][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.605022][ C1] packet_sendmsg+0x86ee/0x99d0 [ 142.609871][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.615076][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.620693][ C1] ? process_slab+0x13a8/0x1b70 [ 142.625551][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.631541][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.637817][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.642762][ C1] ? packet_getsockopt+0x1120/0x1120 [ 142.648231][ C1] __sys_sendmsg+0x714/0x830 [ 142.652816][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.658484][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.664541][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 142.670550][ C1] ? kmsan_get_metadata+0x116/0x180 [ 142.675770][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.680453][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.685208][ C1] do_syscall_64+0x9f/0x140 [ 142.689700][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.695579][ C1] RIP: 0033:0x443df9 [ 142.699472][ 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 [ 142.719083][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.728028][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.735996][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 142.744045][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.752011][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002228f [ 142.759986][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 142.767984][ C1] [ 142.770332][ C1] Uninit was stored to memory at: [ 142.775362][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 142.781076][ C1] __msan_chain_origin+0x54/0xa0 [ 142.786036][ C1] __ip_local_out+0x479/0x840 [ 142.790704][ C1] ip_local_out+0xa1/0x1e0 [ 142.795283][ C1] iptunnel_xmit+0x931/0xf20 [ 142.799951][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 142.805060][ C1] geneve_xmit+0x2139/0x3c40 [ 142.809660][ C1] xmit_one+0x2b6/0x760 [ 142.813810][ C1] __dev_queue_xmit+0x3432/0x4600 [ 142.818866][ C1] dev_queue_xmit+0x4b/0x60 [ 142.823532][ C1] packet_sendmsg+0x86ee/0x99d0 [ 142.828412][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.833305][ C1] __sys_sendmsg+0x714/0x830 [ 142.837883][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.842551][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.847317][ C1] do_syscall_64+0x9f/0x140 [ 142.851842][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.857747][ C1] [ 142.860054][ C1] Uninit was stored to memory at: [ 142.865053][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 142.870810][ C1] __msan_chain_origin+0x54/0xa0 [ 142.875746][ C1] iptunnel_xmit+0xbd6/0xf20 [ 142.880417][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 142.885581][ C1] geneve_xmit+0x2139/0x3c40 [ 142.890173][ C1] xmit_one+0x2b6/0x760 [ 142.894470][ C1] __dev_queue_xmit+0x3432/0x4600 [ 142.899809][ C1] dev_queue_xmit+0x4b/0x60 [ 142.904319][ C1] packet_sendmsg+0x86ee/0x99d0 [ 142.909259][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.914129][ C1] __sys_sendmsg+0x714/0x830 [ 142.918744][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.923437][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.928210][ C1] do_syscall_64+0x9f/0x140 [ 142.932706][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.938586][ C1] [ 142.940894][ C1] Uninit was created at: [ 142.945108][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.950838][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 142.955520][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 142.961423][ C1] __alloc_skb+0x4dd/0xe90 executing program [ 142.965837][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 142.971043][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.976233][ C1] packet_sendmsg+0x6a12/0x99d0 [ 142.981073][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 142.985997][ C1] __sys_sendmsg+0x714/0x830 [ 142.990578][ C1] __se_sys_sendmsg+0x97/0xb0 [ 142.995240][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 142.999992][ C1] do_syscall_64+0x9f/0x140 [ 143.004502][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.010523][ C1] ===================================================== [ 143.045281][ C1] ===================================================== [ 143.052433][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 143.059318][ C1] CPU: 1 PID: 8441 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.069532][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.079691][ C1] Call Trace: [ 143.082984][ C1] [ 143.085843][ C1] dump_stack+0x24c/0x2e0 [ 143.090239][ C1] kmsan_report+0xfb/0x1e0 [ 143.094939][ C1] __msan_warning+0x5c/0xa0 [ 143.099662][ C1] ip_rcv_core+0xf4c/0x1480 [ 143.104191][ C1] ip_rcv+0xc7/0x820 [ 143.108107][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.113327][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.118471][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.124129][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.130044][ C1] process_backlog+0x517/0xbd0 [ 143.134914][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.140288][ C1] __napi_poll+0x13e/0xca0 [ 143.144864][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.150959][ C1] net_rx_action+0x726/0x14a0 [ 143.155690][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.161681][ C1] ? net_tx_action+0xd30/0xd30 [ 143.166465][ C1] __do_softirq+0x1b9/0x715 [ 143.171164][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.175418][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.180562][ C1] do_softirq+0x123/0x1c0 [ 143.185201][ C1] [ 143.188145][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.193192][ C1] local_bh_enable+0x36/0x40 [ 143.197907][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.203064][ C1] dev_queue_xmit+0x4b/0x60 [ 143.207574][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.212859][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.217705][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.222894][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.228518][ C1] ? process_slab+0x13a8/0x1b70 [ 143.233458][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.239256][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.245340][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.250294][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.255589][ C1] __sys_sendmsg+0x714/0x830 [ 143.260197][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.266170][ C1] ? up_read+0x40/0x2b0 [ 143.270344][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.275562][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.281459][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.286769][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.291730][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.296788][ C1] do_syscall_64+0x9f/0x140 [ 143.301566][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.307534][ C1] RIP: 0033:0x443df9 [ 143.311452][ 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 [ 143.331451][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.339885][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.347855][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 143.355827][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.363817][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00000000000228c4 [ 143.371812][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 143.379818][ C1] [ 143.382147][ C1] Uninit was stored to memory at: [ 143.387172][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.392917][ C1] __msan_chain_origin+0x54/0xa0 [ 143.397855][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.402439][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.407632][ C1] geneve_xmit+0x2139/0x3c40 [ 143.412371][ C1] xmit_one+0x2b6/0x760 [ 143.416718][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.421862][ C1] dev_queue_xmit+0x4b/0x60 [ 143.426377][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.431341][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.436189][ C1] __sys_sendmsg+0x714/0x830 [ 143.440793][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.445479][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.450260][ C1] do_syscall_64+0x9f/0x140 [ 143.454772][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.460656][ C1] [ 143.462962][ C1] Uninit was created at: [ 143.467181][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.473098][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 143.477808][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.483714][ C1] __alloc_skb+0x4dd/0xe90 [ 143.488122][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.493328][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.498605][ C1] packet_sendmsg+0x6a12/0x99d0 [ 143.503461][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.508304][ C1] __sys_sendmsg+0x714/0x830 [ 143.513003][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.517703][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.522781][ C1] do_syscall_64+0x9f/0x140 [ 143.527291][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.533173][ C1] ===================================================== [ 143.540222][ C1] ===================================================== [ 143.547209][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 143.554103][ C1] CPU: 1 PID: 8441 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.564291][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.574364][ C1] Call Trace: [ 143.577665][ C1] [ 143.580558][ C1] dump_stack+0x24c/0x2e0 [ 143.584916][ C1] kmsan_report+0xfb/0x1e0 [ 143.589380][ C1] __msan_warning+0x5c/0xa0 [ 143.593911][ C1] ip_rcv_core+0xf5d/0x1480 [ 143.598701][ C1] ip_rcv+0xc7/0x820 [ 143.602790][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.608018][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.613156][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.618817][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.624836][ C1] process_backlog+0x517/0xbd0 [ 143.629799][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 143.635116][ C1] __napi_poll+0x13e/0xca0 [ 143.639564][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.646126][ C1] net_rx_action+0x726/0x14a0 [ 143.650801][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.656724][ C1] ? net_tx_action+0xd30/0xd30 [ 143.661506][ C1] __do_softirq+0x1b9/0x715 [ 143.666125][ C1] ? idle_cpu+0x9a/0x1d0 [ 143.670372][ C1] ? __irq_exit_rcu+0x83/0x280 [ 143.675138][ C1] do_softirq+0x123/0x1c0 [ 143.679481][ C1] [ 143.682412][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 143.687458][ C1] local_bh_enable+0x36/0x40 [ 143.692056][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 143.697227][ C1] dev_queue_xmit+0x4b/0x60 [ 143.701757][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.707191][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.712050][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.717258][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.723068][ C1] ? process_slab+0x13a8/0x1b70 [ 143.728184][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.734164][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.740364][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.745658][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.750948][ C1] __sys_sendmsg+0x714/0x830 [ 143.755539][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 143.761620][ C1] ? up_read+0x40/0x2b0 [ 143.765966][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.771161][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.777055][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.782320][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.786998][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.791759][ C1] do_syscall_64+0x9f/0x140 [ 143.796612][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.802623][ C1] RIP: 0033:0x443df9 [ 143.806602][ 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 [ 143.826481][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.834989][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.842954][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 143.850919][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.858884][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00000000000228c4 [ 143.867781][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 143.876257][ C1] [ 143.878578][ C1] Uninit was stored to memory at: [ 143.883979][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.889933][ C1] __msan_chain_origin+0x54/0xa0 [ 143.895813][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.900758][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.906220][ C1] geneve_xmit+0x2139/0x3c40 [ 143.911093][ C1] xmit_one+0x2b6/0x760 [ 143.915344][ C1] __dev_queue_xmit+0x3432/0x4600 [ 143.920543][ C1] dev_queue_xmit+0x4b/0x60 [ 143.925537][ C1] packet_sendmsg+0x86ee/0x99d0 [ 143.930405][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.935256][ C1] __sys_sendmsg+0x714/0x830 [ 143.939864][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.944576][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.950440][ C1] do_syscall_64+0x9f/0x140 [ 143.955732][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.961929][ C1] [ 143.964312][ C1] Uninit was created at: [ 143.969158][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.975309][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 143.980211][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 143.986598][ C1] __alloc_skb+0x4dd/0xe90 [ 143.991253][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.996694][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.002078][ C1] packet_sendmsg+0x6a12/0x99d0 [ 144.007142][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.012194][ C1] __sys_sendmsg+0x714/0x830 [ 144.016938][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.021818][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.026774][ C1] do_syscall_64+0x9f/0x140 [ 144.031296][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.037757][ C1] ===================================================== [ 144.045467][ C1] ===================================================== [ 144.053505][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 144.061033][ C1] CPU: 1 PID: 8441 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.071328][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.081645][ C1] Call Trace: [ 144.085039][ C1] [ 144.087897][ C1] dump_stack+0x24c/0x2e0 [ 144.092353][ C1] kmsan_report+0xfb/0x1e0 [ 144.096803][ C1] __msan_warning+0x5c/0xa0 [ 144.101353][ C1] ip_rcv_core+0x1068/0x1480 [ 144.105978][ C1] ip_rcv+0xc7/0x820 [ 144.109907][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.115144][ C1] __netif_receive_skb+0x1ec/0x640 [ 144.120416][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.126425][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.132193][ C1] process_backlog+0x517/0xbd0 [ 144.136968][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.142462][ C1] __napi_poll+0x13e/0xca0 [ 144.147285][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.153377][ C1] net_rx_action+0x726/0x14a0 [ 144.158265][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.164335][ C1] ? net_tx_action+0xd30/0xd30 [ 144.169097][ C1] __do_softirq+0x1b9/0x715 [ 144.173597][ C1] ? idle_cpu+0x9a/0x1d0 [ 144.177841][ C1] ? __irq_exit_rcu+0x83/0x280 [ 144.182603][ C1] do_softirq+0x123/0x1c0 [ 144.186947][ C1] [ 144.189875][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 144.195010][ C1] local_bh_enable+0x36/0x40 [ 144.199616][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 144.204647][ C1] dev_queue_xmit+0x4b/0x60 [ 144.209174][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.215446][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.220317][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.225637][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.231362][ C1] ? process_slab+0x13a8/0x1b70 [ 144.236234][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.242106][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.248652][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.253602][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.259106][ C1] __sys_sendmsg+0x714/0x830 [ 144.264064][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 144.270304][ C1] ? up_read+0x40/0x2b0 [ 144.275581][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.280846][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.286682][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.293121][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.298614][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.303384][ C1] do_syscall_64+0x9f/0x140 [ 144.308054][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.313968][ C1] RIP: 0033:0x443df9 [ 144.317873][ 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 [ 144.337510][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.345961][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 144.354125][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 144.362130][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.370097][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 00000000000228c4 [ 144.378088][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 144.386118][ C1] [ 144.388432][ C1] Uninit was stored to memory at: [ 144.393551][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.399447][ C1] __msan_chain_origin+0x54/0xa0 [ 144.404378][ C1] __ip_local_out+0x479/0x840 [ 144.409053][ C1] ip_local_out+0xa1/0x1e0 [ 144.413494][ C1] iptunnel_xmit+0x931/0xf20 [ 144.418087][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.423229][ C1] geneve_xmit+0x2139/0x3c40 [ 144.427906][ C1] xmit_one+0x2b6/0x760 [ 144.432077][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.437121][ C1] dev_queue_xmit+0x4b/0x60 [ 144.441612][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.446544][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.451489][ C1] __sys_sendmsg+0x714/0x830 [ 144.456070][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.460743][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.465600][ C1] do_syscall_64+0x9f/0x140 [ 144.470203][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.476091][ C1] [ 144.479013][ C1] Uninit was stored to memory at: [ 144.484015][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.489747][ C1] __msan_chain_origin+0x54/0xa0 [ 144.494686][ C1] iptunnel_xmit+0xbd6/0xf20 [ 144.499303][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.504440][ C1] geneve_xmit+0x2139/0x3c40 [ 144.509031][ C1] xmit_one+0x2b6/0x760 [ 144.513298][ C1] __dev_queue_xmit+0x3432/0x4600 [ 144.518730][ C1] dev_queue_xmit+0x4b/0x60 [ 144.523456][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.528409][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.533506][ C1] __sys_sendmsg+0x714/0x830 [ 144.538312][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.543421][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.548546][ C1] do_syscall_64+0x9f/0x140 [ 144.553102][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.559292][ C1] [ 144.561626][ C1] Uninit was created at: [ 144.566089][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.573082][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 144.577918][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 144.583960][ C1] __alloc_skb+0x4dd/0xe90 [ 144.588388][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 144.593609][ C1] sock_alloc_send_pskb+0xdc1/0xf90 executing program [ 144.599238][ C1] packet_sendmsg+0x6a12/0x99d0 [ 144.604152][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.609261][ C1] __sys_sendmsg+0x714/0x830 [ 144.613933][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.618772][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.623704][ C1] do_syscall_64+0x9f/0x140 [ 144.628210][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.634104][ C1] ===================================================== [ 144.669265][ C1] ===================================================== [ 144.676324][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 144.683208][ C1] CPU: 1 PID: 8442 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.693379][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.703455][ C1] Call Trace: [ 144.706748][ C1] [ 144.709602][ C1] dump_stack+0x24c/0x2e0 [ 144.713998][ C1] kmsan_report+0xfb/0x1e0 [ 144.718441][ C1] __msan_warning+0x5c/0xa0 [ 144.723076][ C1] ip_rcv_core+0xf4c/0x1480 [ 144.727699][ C1] ip_rcv+0xc7/0x820 [ 144.731657][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.736946][ C1] __netif_receive_skb+0x1ec/0x640 [ 144.742235][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.747863][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.753668][ C1] process_backlog+0x517/0xbd0 [ 144.759507][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 144.765180][ C1] __napi_poll+0x13e/0xca0 [ 144.769722][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.775787][ C1] net_rx_action+0x726/0x14a0 [ 144.780473][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.786273][ C1] ? net_tx_action+0xd30/0xd30 [ 144.791214][ C1] __do_softirq+0x1b9/0x715 [ 144.795730][ C1] ? idle_cpu+0x9a/0x1d0 [ 144.800104][ C1] ? __irq_exit_rcu+0x83/0x280 [ 144.804883][ C1] do_softirq+0x123/0x1c0 [ 144.809261][ C1] [ 144.812205][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 144.817270][ C1] local_bh_enable+0x36/0x40 [ 144.821858][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 144.826899][ C1] dev_queue_xmit+0x4b/0x60 [ 144.831395][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.836684][ C1] packet_sendmsg+0x86ee/0x99d0 [ 144.841538][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.846773][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.852401][ C1] ? process_slab+0x13a8/0x1b70 [ 144.857565][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.863658][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.869743][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.874717][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.880003][ C1] __sys_sendmsg+0x714/0x830 [ 144.884688][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 144.890670][ C1] ? up_read+0x40/0x2b0 [ 144.894910][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.900388][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.906561][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.911768][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.916449][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.921326][ C1] do_syscall_64+0x9f/0x140 [ 144.925928][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.931822][ C1] RIP: 0033:0x443df9 [ 144.935827][ 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 [ 144.955869][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.964385][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 144.972353][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 144.980333][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.988301][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000022ef5 [ 144.996299][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 145.004273][ C1] [ 145.006672][ C1] Uninit was stored to memory at: [ 145.011891][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 145.017875][ C1] __msan_chain_origin+0x54/0xa0 [ 145.022921][ C1] iptunnel_xmit+0xbd6/0xf20 [ 145.027612][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 145.032721][ C1] geneve_xmit+0x2139/0x3c40 [ 145.037325][ C1] xmit_one+0x2b6/0x760 [ 145.041487][ C1] __dev_queue_xmit+0x3432/0x4600 [ 145.047188][ C1] dev_queue_xmit+0x4b/0x60 [ 145.051690][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.056554][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.061539][ C1] __sys_sendmsg+0x714/0x830 [ 145.066183][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.070916][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.075714][ C1] do_syscall_64+0x9f/0x140 [ 145.080217][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.086197][ C1] [ 145.088639][ C1] Uninit was created at: [ 145.092985][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.098764][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 145.103716][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.109620][ C1] __alloc_skb+0x4dd/0xe90 [ 145.114128][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 145.119432][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.124699][ C1] packet_sendmsg+0x6a12/0x99d0 [ 145.130981][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.135958][ C1] __sys_sendmsg+0x714/0x830 [ 145.140583][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.145255][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.150028][ C1] do_syscall_64+0x9f/0x140 [ 145.154535][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.160461][ C1] ===================================================== [ 145.167896][ C1] ===================================================== [ 145.175111][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 145.182023][ C1] CPU: 1 PID: 8442 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.192236][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.202322][ C1] Call Trace: [ 145.205616][ C1] [ 145.208471][ C1] dump_stack+0x24c/0x2e0 [ 145.212836][ C1] kmsan_report+0xfb/0x1e0 [ 145.217278][ C1] __msan_warning+0x5c/0xa0 [ 145.221808][ C1] ip_rcv_core+0xf5d/0x1480 [ 145.226491][ C1] ip_rcv+0xc7/0x820 [ 145.230438][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.235685][ C1] __netif_receive_skb+0x1ec/0x640 [ 145.240830][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.246658][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 145.252474][ C1] process_backlog+0x517/0xbd0 [ 145.257441][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.262804][ C1] __napi_poll+0x13e/0xca0 [ 145.267403][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.273558][ C1] net_rx_action+0x726/0x14a0 [ 145.278317][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.284134][ C1] ? net_tx_action+0xd30/0xd30 [ 145.288904][ C1] __do_softirq+0x1b9/0x715 [ 145.293412][ C1] ? idle_cpu+0x9a/0x1d0 [ 145.297676][ C1] ? __irq_exit_rcu+0x83/0x280 [ 145.302556][ C1] do_softirq+0x123/0x1c0 [ 145.306903][ C1] [ 145.309856][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 145.314986][ C1] local_bh_enable+0x36/0x40 [ 145.319579][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 145.324692][ C1] dev_queue_xmit+0x4b/0x60 [ 145.329279][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.334560][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.339421][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.344636][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.350263][ C1] ? process_slab+0x13a8/0x1b70 [ 145.355216][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.361055][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.367233][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.372083][ C1] ? packet_getsockopt+0x1120/0x1120 [ 145.377368][ C1] __sys_sendmsg+0x714/0x830 [ 145.382162][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 145.389016][ C1] ? up_read+0x40/0x2b0 [ 145.393231][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.398428][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.404230][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.409438][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.414124][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.418919][ C1] do_syscall_64+0x9f/0x140 [ 145.423418][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.429301][ C1] RIP: 0033:0x443df9 [ 145.433181][ 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 [ 145.452923][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.461334][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.469315][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 145.477304][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.485405][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000022ef5 [ 145.493976][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 145.501989][ C1] [ 145.504311][ C1] Uninit was stored to memory at: [ 145.509332][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 145.515077][ C1] __msan_chain_origin+0x54/0xa0 [ 145.520012][ C1] iptunnel_xmit+0xbd6/0xf20 [ 145.524744][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 145.529880][ C1] geneve_xmit+0x2139/0x3c40 [ 145.534568][ C1] xmit_one+0x2b6/0x760 [ 145.538745][ C1] __dev_queue_xmit+0x3432/0x4600 [ 145.543808][ C1] dev_queue_xmit+0x4b/0x60 [ 145.548336][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.553201][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.558050][ C1] __sys_sendmsg+0x714/0x830 [ 145.562790][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.567473][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.572341][ C1] do_syscall_64+0x9f/0x140 [ 145.576850][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.582768][ C1] [ 145.585138][ C1] Uninit was created at: [ 145.589365][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.595081][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 145.600557][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 145.606815][ C1] __alloc_skb+0x4dd/0xe90 [ 145.611269][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 145.616562][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.621931][ C1] packet_sendmsg+0x6a12/0x99d0 [ 145.626948][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.631829][ C1] __sys_sendmsg+0x714/0x830 [ 145.636422][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.641256][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.646019][ C1] do_syscall_64+0x9f/0x140 [ 145.650523][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.656409][ C1] ===================================================== [ 145.663489][ C1] ===================================================== [ 145.670582][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 145.677572][ C1] CPU: 1 PID: 8442 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.688182][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.698431][ C1] Call Trace: [ 145.701902][ C1] [ 145.704758][ C1] dump_stack+0x24c/0x2e0 [ 145.709120][ C1] kmsan_report+0xfb/0x1e0 [ 145.713649][ C1] __msan_warning+0x5c/0xa0 [ 145.718262][ C1] ip_rcv_core+0x1068/0x1480 [ 145.722969][ C1] ip_rcv+0xc7/0x820 [ 145.726893][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.732119][ C1] __netif_receive_skb+0x1ec/0x640 [ 145.737286][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.743064][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 145.748700][ C1] process_backlog+0x517/0xbd0 [ 145.753461][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.758736][ C1] __napi_poll+0x13e/0xca0 [ 145.763352][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.769437][ C1] net_rx_action+0x726/0x14a0 [ 145.774117][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.780301][ C1] ? net_tx_action+0xd30/0xd30 [ 145.785085][ C1] __do_softirq+0x1b9/0x715 [ 145.789683][ C1] ? idle_cpu+0x9a/0x1d0 [ 145.793933][ C1] ? __irq_exit_rcu+0x83/0x280 [ 145.798819][ C1] do_softirq+0x123/0x1c0 [ 145.803238][ C1] [ 145.806162][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 145.811422][ C1] local_bh_enable+0x36/0x40 [ 145.816158][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 145.821197][ C1] dev_queue_xmit+0x4b/0x60 [ 145.825732][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.831016][ C1] packet_sendmsg+0x86ee/0x99d0 [ 145.835869][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.841060][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.846699][ C1] ? process_slab+0x13a8/0x1b70 [ 145.851567][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.857365][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.863427][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 145.868279][ C1] ? packet_getsockopt+0x1120/0x1120 [ 145.873586][ C1] __sys_sendmsg+0x714/0x830 [ 145.878228][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 145.884310][ C1] ? up_read+0x40/0x2b0 [ 145.888509][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.893808][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.899607][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.905141][ C1] __se_sys_sendmsg+0x97/0xb0 [ 145.910145][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 145.914947][ C1] do_syscall_64+0x9f/0x140 [ 145.919467][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.925359][ C1] RIP: 0033:0x443df9 [ 145.929553][ 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 [ 145.949636][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.958050][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.966048][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 145.974025][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.982023][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000022ef5 [ 145.990075][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 145.998208][ C1] [ 146.000580][ C1] Uninit was stored to memory at: [ 146.005580][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.011447][ C1] __msan_chain_origin+0x54/0xa0 [ 146.016398][ C1] __ip_local_out+0x479/0x840 [ 146.021599][ C1] ip_local_out+0xa1/0x1e0 [ 146.026028][ C1] iptunnel_xmit+0x931/0xf20 [ 146.030612][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.035731][ C1] geneve_xmit+0x2139/0x3c40 [ 146.040326][ C1] xmit_one+0x2b6/0x760 [ 146.044627][ C1] __dev_queue_xmit+0x3432/0x4600 [ 146.049656][ C1] dev_queue_xmit+0x4b/0x60 [ 146.054171][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.059099][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.063950][ C1] __sys_sendmsg+0x714/0x830 [ 146.068787][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.073463][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.078219][ C1] do_syscall_64+0x9f/0x140 [ 146.082731][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.088622][ C1] [ 146.090932][ C1] Uninit was stored to memory at: [ 146.096313][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.102239][ C1] __msan_chain_origin+0x54/0xa0 [ 146.107178][ C1] iptunnel_xmit+0xbd6/0xf20 [ 146.112219][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.117365][ C1] geneve_xmit+0x2139/0x3c40 [ 146.121995][ C1] xmit_one+0x2b6/0x760 [ 146.126202][ C1] __dev_queue_xmit+0x3432/0x4600 [ 146.131232][ C1] dev_queue_xmit+0x4b/0x60 [ 146.135725][ C1] packet_sendmsg+0x86ee/0x99d0 [ 146.140568][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.145407][ C1] __sys_sendmsg+0x714/0x830 [ 146.149984][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.154657][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.159498][ C1] do_syscall_64+0x9f/0x140 [ 146.164029][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.169925][ C1] [ 146.172340][ C1] Uninit was created at: [ 146.176665][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.182406][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 146.187106][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.193016][ C1] __alloc_skb+0x4dd/0xe90 [ 146.197444][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 146.202725][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.208005][ C1] packet_sendmsg+0x6a12/0x99d0 [ 146.212850][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.217690][ C1] __sys_sendmsg+0x714/0x830 executing program [ 146.222286][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.226999][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.231758][ C1] do_syscall_64+0x9f/0x140 [ 146.236281][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.242189][ C1] ===================================================== [ 146.275853][ C0] ===================================================== [ 146.282824][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 146.289751][ C0] CPU: 0 PID: 8443 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.300015][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.310179][ C0] Call Trace: [ 146.313558][ C0] [ 146.316414][ C0] dump_stack+0x24c/0x2e0 [ 146.320789][ C0] kmsan_report+0xfb/0x1e0 [ 146.325266][ C0] __msan_warning+0x5c/0xa0 [ 146.330107][ C0] ip_rcv_core+0xf4c/0x1480 [ 146.334786][ C0] ip_rcv+0xc7/0x820 [ 146.338698][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.343890][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.349254][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.355202][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.361207][ C0] process_backlog+0x517/0xbd0 [ 146.365970][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.371265][ C0] __napi_poll+0x13e/0xca0 [ 146.375686][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.383409][ C0] net_rx_action+0x726/0x14a0 [ 146.388198][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.394096][ C0] ? net_tx_action+0xd30/0xd30 [ 146.398968][ C0] __do_softirq+0x1b9/0x715 [ 146.403468][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.407724][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.412639][ C0] do_softirq+0x123/0x1c0 [ 146.417023][ C0] [ 146.419985][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.425010][ C0] local_bh_enable+0x36/0x40 [ 146.429821][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.434931][ C0] dev_queue_xmit+0x4b/0x60 [ 146.439590][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.444987][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.449848][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.455259][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.460900][ C0] ? process_slab+0x13a8/0x1b70 [ 146.465764][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.471790][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.477950][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.482801][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.488170][ C0] __sys_sendmsg+0x714/0x830 [ 146.492879][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.498498][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.504558][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 146.510548][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.515757][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.520426][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.525629][ C0] do_syscall_64+0x9f/0x140 [ 146.530143][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.536207][ C0] RIP: 0033:0x443df9 [ 146.540090][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.559689][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.568227][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.576593][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 146.584798][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.592990][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002354d [ 146.600966][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 146.608949][ C0] [ 146.611263][ C0] Uninit was stored to memory at: [ 146.616267][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.622196][ C0] __msan_chain_origin+0x54/0xa0 [ 146.627266][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.631870][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.636973][ C0] geneve_xmit+0x2139/0x3c40 [ 146.641573][ C0] xmit_one+0x2b6/0x760 [ 146.645741][ C0] __dev_queue_xmit+0x3432/0x4600 [ 146.650786][ C0] dev_queue_xmit+0x4b/0x60 [ 146.655307][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.660188][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.665081][ C0] __sys_sendmsg+0x714/0x830 [ 146.669856][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.674672][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.679434][ C0] do_syscall_64+0x9f/0x140 [ 146.683942][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.689824][ C0] [ 146.692156][ C0] Uninit was created at: [ 146.696384][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.702287][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 146.707012][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.712967][ C0] __alloc_skb+0x4dd/0xe90 [ 146.717392][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 146.722739][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.728174][ C0] packet_sendmsg+0x6a12/0x99d0 [ 146.733085][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.738080][ C0] __sys_sendmsg+0x714/0x830 [ 146.742672][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.747544][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.752490][ C0] do_syscall_64+0x9f/0x140 [ 146.757027][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.762992][ C0] ===================================================== [ 146.770452][ C0] ===================================================== [ 146.777494][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 146.784487][ C0] CPU: 0 PID: 8443 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.794680][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.804842][ C0] Call Trace: [ 146.808137][ C0] [ 146.811161][ C0] dump_stack+0x24c/0x2e0 [ 146.815530][ C0] kmsan_report+0xfb/0x1e0 [ 146.820061][ C0] __msan_warning+0x5c/0xa0 [ 146.824586][ C0] ip_rcv_core+0xf5d/0x1480 [ 146.829139][ C0] ip_rcv+0xc7/0x820 [ 146.833057][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.838330][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.843571][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.849243][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.854908][ C0] process_backlog+0x517/0xbd0 [ 146.859982][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.865785][ C0] __napi_poll+0x13e/0xca0 [ 146.870775][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.876947][ C0] net_rx_action+0x726/0x14a0 [ 146.881644][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.887493][ C0] ? net_tx_action+0xd30/0xd30 [ 146.892304][ C0] __do_softirq+0x1b9/0x715 [ 146.896818][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.901070][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.905837][ C0] do_softirq+0x123/0x1c0 [ 146.910281][ C0] [ 146.913307][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.918504][ C0] local_bh_enable+0x36/0x40 [ 146.923095][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.928213][ C0] dev_queue_xmit+0x4b/0x60 [ 146.932803][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.938086][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.942942][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.948301][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.954106][ C0] ? process_slab+0x13a8/0x1b70 [ 146.958975][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.965220][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.971490][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.976545][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.982080][ C0] __sys_sendmsg+0x714/0x830 [ 146.986879][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.993117][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.999307][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.005299][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.010507][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.015599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.020758][ C0] do_syscall_64+0x9f/0x140 [ 147.025271][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.031168][ C0] RIP: 0033:0x443df9 [ 147.035056][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.054665][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.063121][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.071255][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 147.079230][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.087236][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002354d [ 147.095356][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 147.103497][ C0] [ 147.105814][ C0] Uninit was stored to memory at: [ 147.110820][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.116558][ C0] __msan_chain_origin+0x54/0xa0 [ 147.121762][ C0] iptunnel_xmit+0xbd6/0xf20 [ 147.126364][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.131926][ C0] geneve_xmit+0x2139/0x3c40 [ 147.136697][ C0] xmit_one+0x2b6/0x760 [ 147.140991][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.146021][ C0] dev_queue_xmit+0x4b/0x60 [ 147.150537][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.155412][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.160261][ C0] __sys_sendmsg+0x714/0x830 [ 147.164845][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.169516][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.174273][ C0] do_syscall_64+0x9f/0x140 [ 147.178794][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.184774][ C0] [ 147.187113][ C0] Uninit was created at: [ 147.191357][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.197084][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.201846][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.207918][ C0] __alloc_skb+0x4dd/0xe90 [ 147.212483][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.217812][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.223047][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.227905][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.232756][ C0] __sys_sendmsg+0x714/0x830 [ 147.237434][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.242106][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.246875][ C0] do_syscall_64+0x9f/0x140 [ 147.251904][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.257875][ C0] ===================================================== [ 147.265420][ C0] ===================================================== [ 147.272733][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 147.279809][ C0] CPU: 0 PID: 8443 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.289981][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.300073][ C0] Call Trace: [ 147.303380][ C0] [ 147.306242][ C0] dump_stack+0x24c/0x2e0 [ 147.310604][ C0] kmsan_report+0xfb/0x1e0 [ 147.315041][ C0] __msan_warning+0x5c/0xa0 [ 147.319665][ C0] ip_rcv_core+0x1068/0x1480 [ 147.324369][ C0] ip_rcv+0xc7/0x820 [ 147.328287][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.333514][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.338677][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.344493][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.350344][ C0] process_backlog+0x517/0xbd0 [ 147.355128][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.360409][ C0] __napi_poll+0x13e/0xca0 [ 147.364819][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.370980][ C0] net_rx_action+0x726/0x14a0 [ 147.375689][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.381602][ C0] ? net_tx_action+0xd30/0xd30 [ 147.386685][ C0] __do_softirq+0x1b9/0x715 [ 147.391209][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.395469][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.400356][ C0] do_softirq+0x123/0x1c0 [ 147.404689][ C0] [ 147.407633][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 147.412653][ C0] local_bh_enable+0x36/0x40 [ 147.417354][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 147.422417][ C0] dev_queue_xmit+0x4b/0x60 [ 147.427119][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.432440][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.437658][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.443107][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.448845][ C0] ? process_slab+0x13a8/0x1b70 [ 147.454055][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.459864][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.466124][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.471150][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.476430][ C0] __sys_sendmsg+0x714/0x830 [ 147.481032][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.486657][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.492716][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.498779][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.503986][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.508764][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.513566][ C0] do_syscall_64+0x9f/0x140 [ 147.518078][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.524072][ C0] RIP: 0033:0x443df9 [ 147.528073][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.548378][ C0] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.556823][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.564798][ C0] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 147.573006][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.581138][ C0] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 000000000002354d [ 147.589736][ C0] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 147.597726][ C0] [ 147.600054][ C0] Uninit was stored to memory at: [ 147.605084][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.610823][ C0] __msan_chain_origin+0x54/0xa0 [ 147.615775][ C0] __ip_local_out+0x479/0x840 [ 147.620455][ C0] ip_local_out+0xa1/0x1e0 [ 147.624871][ C0] iptunnel_xmit+0x931/0xf20 [ 147.629572][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.634695][ C0] geneve_xmit+0x2139/0x3c40 [ 147.639819][ C0] xmit_one+0x2b6/0x760 [ 147.643994][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.649022][ C0] dev_queue_xmit+0x4b/0x60 [ 147.653550][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.658404][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.663572][ C0] __sys_sendmsg+0x714/0x830 [ 147.668319][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.673465][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.678400][ C0] do_syscall_64+0x9f/0x140 [ 147.682905][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.688792][ C0] [ 147.691138][ C0] Uninit was stored to memory at: [ 147.696159][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.701966][ C0] __msan_chain_origin+0x54/0xa0 [ 147.706930][ C0] iptunnel_xmit+0xbd6/0xf20 [ 147.711541][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.716659][ C0] geneve_xmit+0x2139/0x3c40 [ 147.721269][ C0] xmit_one+0x2b6/0x760 [ 147.725529][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.730643][ C0] dev_queue_xmit+0x4b/0x60 [ 147.735151][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.740020][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.745106][ C0] __sys_sendmsg+0x714/0x830 [ 147.749739][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.754410][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.759202][ C0] do_syscall_64+0x9f/0x140 [ 147.763701][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.769602][ C0] [ 147.771928][ C0] Uninit was created at: [ 147.776201][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.781936][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.786606][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.792525][ C0] __alloc_skb+0x4dd/0xe90 [ 147.796950][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.802273][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.807749][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.812614][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.817516][ C0] __sys_sendmsg+0x714/0x830 [ 147.822129][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.826912][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.831858][ C0] do_syscall_64+0x9f/0x140 [ 147.836381][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.842564][ C0] ===================================================== executing program [ 147.906864][ C1] ===================================================== [ 147.914143][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 147.921118][ C1] CPU: 1 PID: 8444 Comm: syz-executor807 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.931474][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.941728][ C1] Call Trace: [ 147.945826][ C1] [ 147.948673][ C1] dump_stack+0x24c/0x2e0 [ 147.952998][ C1] kmsan_report+0xfb/0x1e0 [ 147.957504][ C1] __msan_warning+0x5c/0xa0 [ 147.962213][ C1] ip_rcv_core+0xf4c/0x1480 [ 147.966720][ C1] ip_rcv+0xc7/0x820 [ 147.970710][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.975958][ C1] __netif_receive_skb+0x1ec/0x640 [ 147.981173][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.986940][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 147.992574][ C1] process_backlog+0x517/0xbd0 [ 147.997359][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.002690][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.007978][ C1] __napi_poll+0x13e/0xca0 [ 148.012473][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.018652][ C1] net_rx_action+0x726/0x14a0 [ 148.023418][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.029235][ C1] ? net_tx_action+0xd30/0xd30 [ 148.034109][ C1] __do_softirq+0x1b9/0x715 [ 148.038612][ C1] ? idle_cpu+0x9a/0x1d0 [ 148.043274][ C1] ? __irq_exit_rcu+0x83/0x280 [ 148.048044][ C1] do_softirq+0x123/0x1c0 [ 148.052622][ C1] [ 148.055545][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 148.060572][ C1] local_bh_enable+0x36/0x40 [ 148.065282][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 148.070470][ C1] dev_queue_xmit+0x4b/0x60 [ 148.075064][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.080364][ C1] packet_sendmsg+0x86ee/0x99d0 [ 148.085499][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.090798][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.096455][ C1] ? process_slab+0x13a8/0x1b70 [ 148.101366][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.107171][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.113250][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 148.118104][ C1] ? packet_getsockopt+0x1120/0x1120 [ 148.123575][ C1] __sys_sendmsg+0x714/0x830 [ 148.128276][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 148.134260][ C1] ? up_read+0x40/0x2b0 [ 148.138412][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.143693][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.149508][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.154738][ C1] __se_sys_sendmsg+0x97/0xb0 [ 148.159412][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 148.164226][ C1] do_syscall_64+0x9f/0x140 [ 148.168890][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.174876][ C1] RIP: 0033:0x443df9 [ 148.178779][ 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 [ 148.198752][ C1] RSP: 002b:00007ffff0dc0cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.207473][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.215475][ C1] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 148.223771][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.231860][ C1] R10: 00007ffff0dc0740 R11: 0000000000000246 R12: 0000000000023b93 [ 148.239830][ C1] R13: 00007ffff0dc0cf0 R14: 00007ffff0dc0ce0 R15: 00007ffff0dc0cd4 [ 148.247814][ C1] [ 148.250142][ C1] Uninit was stored to memory at: