[ *** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 44s)[ *** ] A start job is running for OpenBSD …Shell server (1min 25s / 2min 44s)[*** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 44s)[** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 44s)[* ] A start job is running for OpenBSD …Shell server (1min 27s / 2min 44s)[** ] A start job is running for OpenBSD …Shell server (1min 27s / 2min 44s)[*** ] A start job is running for OpenBSD …Shell server (1min 28s / 2min 44s)[ *** ] A start job is running for OpenBSD …Shell server (1min 28s / 2min 44s)[ *** ] A start job is running for OpenBSD …Shell server (1min 30s / 2min 59s)[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. syzkaller login: [ 139.546788][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 139.720323][ T8219] chnl_net:caif_netlink_parms(): no params data found [ 139.809383][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.817404][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.826561][ T8219] device bridge_slave_0 entered promiscuous mode [ 139.838556][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.846132][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.854470][ T8219] device bridge_slave_1 entered promiscuous mode [ 139.888185][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 139.901408][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 139.936661][ T8219] team0: Port device team_slave_0 added [ 139.946823][ T8219] team0: Port device team_slave_1 added [ 139.976906][ T8219] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 139.984016][ T8219] 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. [ 140.011737][ T8219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 140.025627][ T8219] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 140.032830][ T8219] 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. [ 140.059127][ T8219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 140.100615][ T8219] device hsr_slave_0 entered promiscuous mode [ 140.108172][ T8219] device hsr_slave_1 entered promiscuous mode [ 140.290856][ T8219] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 140.302668][ T8219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 140.334259][ T8219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 140.351786][ T8219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 140.434091][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.441475][ T8219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.449459][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.456988][ T8219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.637556][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 140.659354][ T3452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 140.669524][ T3452] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.680634][ T3452] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.693328][ T3452] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 140.712720][ T8219] 8021q: adding VLAN 0 to HW filter on device team0 [ 140.728552][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.740202][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.749735][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.757158][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.772540][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.782495][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.792081][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.799673][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.822939][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 140.841136][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 140.858852][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 140.869028][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 140.879893][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 140.896635][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 140.907146][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 140.924343][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 140.934393][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 140.951484][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 140.961376][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 140.977815][ T8219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 141.012132][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 141.020829][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 141.042492][ T8219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 141.079119][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 141.089196][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 141.123185][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 141.132720][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 141.147018][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 141.156359][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 141.170343][ T8219] device veth0_vlan entered promiscuous mode [ 141.191551][ T8219] device veth1_vlan entered promiscuous mode [ 141.234129][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 141.243690][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 141.253450][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 141.263593][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 141.280584][ T8219] device veth0_macvtap entered promiscuous mode [ 141.294647][ T8219] device veth1_macvtap entered promiscuous mode [ 141.329469][ T8219] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 141.337401][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 141.347444][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 141.357014][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 141.367387][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 141.386867][ T8219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 141.394837][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 141.405848][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 141.422538][ T8219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.431789][ T8219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.441154][ T8219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.450182][ T8219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 141.603028][ C0] ===================================================== [ 141.610014][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 141.616918][ C0] CPU: 0 PID: 8431 Comm: syz-executor925 Not tainted 5.11.0-rc7-syzkaller #0 [ 141.629351][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.639431][ C0] Call Trace: [ 141.642725][ C0] [ 141.645573][ C0] dump_stack+0x21c/0x280 [ 141.649929][ C0] kmsan_report+0xfb/0x1e0 [ 141.654367][ C0] __msan_warning+0x5f/0xa0 [ 141.658894][ C0] ip_rcv_core+0xf4c/0x1480 [ 141.663425][ C0] ip_rcv+0xc7/0x820 [ 141.667339][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.672695][ C0] __netif_receive_skb+0x1ec/0x640 [ 141.677914][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.683572][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 141.689338][ C0] process_backlog+0x517/0xbd0 [ 141.694142][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.699783][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 141.705090][ C0] napi_poll+0x428/0x15c0 [ 141.709416][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.715057][ C0] net_rx_action+0x34c/0xd30 [ 141.719648][ C0] ? net_tx_action+0xd30/0xd30 [ 141.724424][ C0] __do_softirq+0x1b9/0x715 [ 141.728929][ C0] asm_call_irq_on_stack+0xf/0x20 [ 141.733972][ C0] [ 141.736899][ C0] do_softirq_own_stack+0x6e/0x90 [ 141.742012][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 141.747559][ C0] local_bh_enable+0x36/0x40 [ 141.752172][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 141.757331][ C0] dev_queue_xmit+0x4b/0x60 [ 141.761847][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 141.767163][ C0] packet_sendmsg+0x8778/0x9a60 [ 141.772051][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.777267][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.782937][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.788204][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.794027][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 141.800120][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.804979][ C0] ? packet_getsockopt+0x1120/0x1120 [ 141.810358][ C0] __sys_sendmsg+0x714/0x830 [ 141.814960][ C0] ? kmsan_get_metadata+0x117/0x180 [ 141.820171][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.825822][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 141.831930][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.837161][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.841858][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 141.846675][ C0] do_syscall_64+0x9f/0x140 [ 141.851182][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 141.857094][ C0] RIP: 0033:0x443df9 [ 141.861002][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 141.880814][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.889232][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 141.897233][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 141.905205][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 141.913182][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00007ffc5bc4d0a0 [ 141.921550][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 0000000000000003 [ 141.929539][ C0] [ 141.933122][ C0] Uninit was stored to memory at: [ 141.938137][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 141.943887][ C0] __msan_chain_origin+0x57/0xa0 [ 141.948828][ C0] iptunnel_xmit+0xbd6/0xf20 [ 141.953421][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 141.958530][ C0] geneve_xmit+0x209e/0x3c20 [ 141.963140][ C0] xmit_one+0x2b6/0x760 [ 141.967303][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 141.972369][ C0] dev_queue_xmit+0x4b/0x60 [ 141.976866][ C0] packet_sendmsg+0x8778/0x9a60 [ 141.981709][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 141.986554][ C0] __sys_sendmsg+0x714/0x830 [ 141.991140][ C0] __se_sys_sendmsg+0x97/0xb0 [ 141.995825][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.000593][ C0] do_syscall_64+0x9f/0x140 [ 142.005123][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.011019][ C0] [ 142.013387][ C0] Uninit was created at: [ 142.017803][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.023536][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 142.028217][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 142.034113][ C0] __alloc_skb+0x2f8/0xb30 [ 142.038556][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 142.043768][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.048964][ C0] packet_sendmsg+0x6aab/0x9a60 [ 142.053819][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.058900][ C0] __sys_sendmsg+0x714/0x830 [ 142.063496][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.068174][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.072934][ C0] do_syscall_64+0x9f/0x140 [ 142.077445][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.083353][ C0] ===================================================== [ 142.090290][ C0] Disabling lock debugging due to kernel taint [ 142.096660][ C0] ===================================================== [ 142.103622][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 142.110511][ C0] CPU: 0 PID: 8431 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.120724][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.130938][ C0] Call Trace: [ 142.134230][ C0] [ 142.137096][ C0] dump_stack+0x21c/0x280 [ 142.141466][ C0] kmsan_report+0xfb/0x1e0 [ 142.145940][ C0] __msan_warning+0x5f/0xa0 [ 142.150481][ C0] ip_rcv_core+0xf5d/0x1480 [ 142.155026][ C0] ip_rcv+0xc7/0x820 [ 142.158959][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.164249][ C0] __netif_receive_skb+0x1ec/0x640 [ 142.169405][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.175169][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 142.180840][ C0] process_backlog+0x517/0xbd0 [ 142.185635][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.191324][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 142.196672][ C0] napi_poll+0x428/0x15c0 [ 142.201031][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.206710][ C0] net_rx_action+0x34c/0xd30 [ 142.211331][ C0] ? net_tx_action+0xd30/0xd30 [ 142.217444][ C0] __do_softirq+0x1b9/0x715 [ 142.221953][ C0] asm_call_irq_on_stack+0xf/0x20 [ 142.226983][ C0] [ 142.229942][ C0] do_softirq_own_stack+0x6e/0x90 [ 142.234970][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 142.240321][ C0] local_bh_enable+0x36/0x40 [ 142.244923][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 142.250097][ C0] dev_queue_xmit+0x4b/0x60 [ 142.254850][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.260171][ C0] packet_sendmsg+0x8778/0x9a60 [ 142.265111][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.270446][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.276094][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.281388][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.287194][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.293266][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.298132][ C0] ? packet_getsockopt+0x1120/0x1120 [ 142.303507][ C0] __sys_sendmsg+0x714/0x830 [ 142.308119][ C0] ? kmsan_get_metadata+0x117/0x180 [ 142.313321][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.319338][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.325452][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.330660][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.335366][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.340142][ C0] do_syscall_64+0x9f/0x140 [ 142.344771][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.350665][ C0] RIP: 0033:0x443df9 [ 142.354562][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 142.374314][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.382734][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.390736][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 142.398730][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.406740][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00007ffc5bc4d0a0 [ 142.414729][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 0000000000000003 [ 142.422794][ C0] [ 142.425128][ C0] Uninit was stored to memory at: [ 142.430139][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.435970][ C0] __msan_chain_origin+0x57/0xa0 [ 142.440926][ C0] iptunnel_xmit+0xbd6/0xf20 [ 142.445614][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.450824][ C0] geneve_xmit+0x209e/0x3c20 [ 142.455445][ C0] xmit_one+0x2b6/0x760 [ 142.459624][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 142.464735][ C0] dev_queue_xmit+0x4b/0x60 [ 142.469381][ C0] packet_sendmsg+0x8778/0x9a60 [ 142.474258][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.479138][ C0] __sys_sendmsg+0x714/0x830 [ 142.483760][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.488433][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.493456][ C0] do_syscall_64+0x9f/0x140 [ 142.498187][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.504199][ C0] [ 142.506526][ C0] Uninit was created at: [ 142.510753][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.516715][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 142.521560][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 142.527649][ C0] __alloc_skb+0x2f8/0xb30 [ 142.532103][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 142.537299][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 142.542509][ C0] packet_sendmsg+0x6aab/0x9a60 [ 142.547395][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.552241][ C0] __sys_sendmsg+0x714/0x830 [ 142.556846][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.561519][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.566626][ C0] do_syscall_64+0x9f/0x140 [ 142.571147][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.577046][ C0] ===================================================== [ 142.584323][ C0] ===================================================== [ 142.591325][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 142.598331][ C0] CPU: 0 PID: 8431 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.608595][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.618670][ C0] Call Trace: [ 142.621967][ C0] [ 142.624828][ C0] dump_stack+0x21c/0x280 [ 142.629188][ C0] kmsan_report+0xfb/0x1e0 [ 142.633640][ C0] __msan_warning+0x5f/0xa0 [ 142.638178][ C0] ip_rcv_core+0x1068/0x1480 [ 142.642804][ C0] ip_rcv+0xc7/0x820 [ 142.646731][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.651973][ C0] __netif_receive_skb+0x1ec/0x640 [ 142.657160][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.663013][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 142.669774][ C0] process_backlog+0x517/0xbd0 [ 142.674564][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.680226][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 142.685609][ C0] napi_poll+0x428/0x15c0 [ 142.690045][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.695729][ C0] net_rx_action+0x34c/0xd30 [ 142.700321][ C0] ? net_tx_action+0xd30/0xd30 [ 142.705100][ C0] __do_softirq+0x1b9/0x715 [ 142.709631][ C0] asm_call_irq_on_stack+0xf/0x20 [ 142.714962][ C0] [ 142.717884][ C0] do_softirq_own_stack+0x6e/0x90 [ 142.722904][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 142.728102][ C0] local_bh_enable+0x36/0x40 [ 142.732710][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 142.737734][ C0] dev_queue_xmit+0x4b/0x60 [ 142.742227][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 142.747512][ C0] packet_sendmsg+0x8778/0x9a60 [ 142.752375][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.757916][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.763549][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.768761][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.774572][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 142.780653][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.785767][ C0] ? packet_getsockopt+0x1120/0x1120 [ 142.791075][ C0] __sys_sendmsg+0x714/0x830 [ 142.795687][ C0] ? kmsan_get_metadata+0x117/0x180 [ 142.800893][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.806555][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 142.812658][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.817858][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.822528][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.827294][ C0] do_syscall_64+0x9f/0x140 [ 142.831836][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.837758][ C0] RIP: 0033:0x443df9 [ 142.841654][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 142.861256][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 142.869778][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 142.877856][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 142.886203][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 142.894184][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00007ffc5bc4d0a0 [ 142.902151][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 0000000000000003 [ 142.910127][ C0] [ 142.912455][ C0] Uninit was stored to memory at: [ 142.917467][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 142.923182][ C0] __msan_chain_origin+0x57/0xa0 [ 142.928127][ C0] __ip_local_out+0x479/0x840 [ 142.932798][ C0] ip_local_out+0xa1/0x1e0 [ 142.937203][ C0] iptunnel_xmit+0x931/0xf20 [ 142.941784][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 142.946894][ C0] geneve_xmit+0x209e/0x3c20 [ 142.951509][ C0] xmit_one+0x2b6/0x760 [ 142.955660][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 142.960681][ C0] dev_queue_xmit+0x4b/0x60 [ 142.965269][ C0] packet_sendmsg+0x8778/0x9a60 [ 142.970130][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 142.974969][ C0] __sys_sendmsg+0x714/0x830 [ 142.979544][ C0] __se_sys_sendmsg+0x97/0xb0 [ 142.984208][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 142.988963][ C0] do_syscall_64+0x9f/0x140 [ 142.993453][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 142.999858][ C0] [ 143.002166][ C0] Uninit was stored to memory at: [ 143.007166][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 143.012884][ C0] __msan_chain_origin+0x57/0xa0 [ 143.017820][ C0] iptunnel_xmit+0xbd6/0xf20 [ 143.022406][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 143.027534][ C0] geneve_xmit+0x209e/0x3c20 [ 143.032559][ C0] xmit_one+0x2b6/0x760 [ 143.036708][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 143.041725][ C0] dev_queue_xmit+0x4b/0x60 [ 143.046220][ C0] packet_sendmsg+0x8778/0x9a60 [ 143.051060][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 143.055992][ C0] __sys_sendmsg+0x714/0x830 [ 143.060598][ C0] __se_sys_sendmsg+0x97/0xb0 [ 143.065296][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 143.070050][ C0] do_syscall_64+0x9f/0x140 [ 143.074547][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.080432][ C0] [ 143.082741][ C0] Uninit was created at: [ 143.086964][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.093316][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 143.097992][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 143.103890][ C0] __alloc_skb+0x2f8/0xb30 [ 143.108298][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 143.114381][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.119589][ C0] packet_sendmsg+0x6aab/0x9a60 [ 143.124431][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 143.131708][ C0] __sys_sendmsg+0x714/0x830 [ 143.136321][ C0] __se_sys_sendmsg+0x97/0xb0 [ 143.141032][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 143.145794][ C0] do_syscall_64+0x9f/0x140 [ 143.150345][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.156321][ C0] ===================================================== executing program [ 143.221603][ C1] ===================================================== [ 143.230675][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 143.237584][ C1] CPU: 1 PID: 8432 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.247754][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.257829][ C1] Call Trace: [ 143.261121][ C1] [ 143.263973][ C1] dump_stack+0x21c/0x280 [ 143.268333][ C1] kmsan_report+0xfb/0x1e0 [ 143.272793][ C1] __msan_warning+0x5f/0xa0 [ 143.277342][ C1] ip_rcv_core+0xf4c/0x1480 [ 143.281949][ C1] ip_rcv+0xc7/0x820 [ 143.285858][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.291060][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.296166][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.301789][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.307410][ C1] process_backlog+0x517/0xbd0 [ 143.312176][ C1] ? native_apic_mem_write+0x45/0x90 [ 143.317609][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 143.322956][ C1] napi_poll+0x428/0x15c0 [ 143.327279][ C1] net_rx_action+0x34c/0xd30 [ 143.331872][ C1] ? net_tx_action+0xd30/0xd30 [ 143.336622][ C1] __do_softirq+0x1b9/0x715 [ 143.341128][ C1] asm_call_irq_on_stack+0xf/0x20 [ 143.346160][ C1] [ 143.349085][ C1] do_softirq_own_stack+0x6e/0x90 [ 143.354109][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 143.359299][ C1] local_bh_enable+0x36/0x40 [ 143.363903][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 143.368934][ C1] dev_queue_xmit+0x4b/0x60 [ 143.373429][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.378802][ C1] packet_sendmsg+0x8778/0x9a60 [ 143.383674][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.388888][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.394745][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.399958][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.405776][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.411846][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.416706][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.422242][ C1] __sys_sendmsg+0x714/0x830 [ 143.426849][ C1] ? kmsan_get_metadata+0x117/0x180 [ 143.432062][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.437686][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.443745][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.448940][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.453610][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.458381][ C1] do_syscall_64+0x9f/0x140 [ 143.462876][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.468751][ C1] RIP: 0033:0x443df9 [ 143.472639][ 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 [ 143.492249][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.500676][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.509788][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 143.517749][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 143.525706][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022945 [ 143.533720][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 143.542203][ C1] [ 143.544631][ C1] Uninit was stored to memory at: [ 143.549811][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 143.555629][ C1] __msan_chain_origin+0x57/0xa0 [ 143.560754][ C1] iptunnel_xmit+0xbd6/0xf20 [ 143.565563][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 143.570692][ C1] geneve_xmit+0x209e/0x3c20 [ 143.575285][ C1] xmit_one+0x2b6/0x760 [ 143.579449][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 143.587504][ C1] dev_queue_xmit+0x4b/0x60 [ 143.591993][ C1] packet_sendmsg+0x8778/0x9a60 [ 143.596873][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.601735][ C1] __sys_sendmsg+0x714/0x830 [ 143.606844][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.611577][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.616326][ C1] do_syscall_64+0x9f/0x140 [ 143.620906][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.626796][ C1] [ 143.629226][ C1] Uninit was created at: [ 143.633460][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.639195][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 143.643902][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 143.649821][ C1] __alloc_skb+0x2f8/0xb30 [ 143.654525][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 143.659773][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 143.665068][ C1] packet_sendmsg+0x6aab/0x9a60 [ 143.669929][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.674871][ C1] __sys_sendmsg+0x714/0x830 [ 143.679467][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.684142][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.688891][ C1] do_syscall_64+0x9f/0x140 [ 143.693497][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.699390][ C1] ===================================================== [ 143.706572][ C1] ===================================================== [ 143.713976][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 143.721660][ C1] CPU: 1 PID: 8432 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.731834][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.741906][ C1] Call Trace: [ 143.745208][ C1] [ 143.748060][ C1] dump_stack+0x21c/0x280 [ 143.752635][ C1] kmsan_report+0xfb/0x1e0 [ 143.757095][ C1] __msan_warning+0x5f/0xa0 [ 143.761755][ C1] ip_rcv_core+0xf5d/0x1480 [ 143.766327][ C1] ip_rcv+0xc7/0x820 [ 143.770260][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.775568][ C1] __netif_receive_skb+0x1ec/0x640 [ 143.781619][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.787369][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 143.793577][ C1] process_backlog+0x517/0xbd0 [ 143.799232][ C1] ? native_apic_mem_write+0x45/0x90 [ 143.804877][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 143.810291][ C1] napi_poll+0x428/0x15c0 [ 143.814726][ C1] net_rx_action+0x34c/0xd30 [ 143.819926][ C1] ? net_tx_action+0xd30/0xd30 [ 143.825198][ C1] __do_softirq+0x1b9/0x715 [ 143.829722][ C1] asm_call_irq_on_stack+0xf/0x20 [ 143.834840][ C1] [ 143.837771][ C1] do_softirq_own_stack+0x6e/0x90 [ 143.842821][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 143.848051][ C1] local_bh_enable+0x36/0x40 [ 143.852661][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 143.857700][ C1] dev_queue_xmit+0x4b/0x60 [ 143.862226][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 143.867542][ C1] packet_sendmsg+0x8778/0x9a60 [ 143.872408][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.877612][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.883337][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.889173][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.895007][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 143.901094][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 143.905977][ C1] ? packet_getsockopt+0x1120/0x1120 [ 143.911303][ C1] __sys_sendmsg+0x714/0x830 [ 143.915893][ C1] ? kmsan_get_metadata+0x117/0x180 [ 143.922065][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.927729][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 143.933820][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.939067][ C1] __se_sys_sendmsg+0x97/0xb0 [ 143.943773][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 143.948635][ C1] do_syscall_64+0x9f/0x140 [ 143.953139][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 143.959247][ C1] RIP: 0033:0x443df9 [ 143.963143][ 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 [ 143.982906][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 143.991335][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 143.999308][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 144.007463][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.015439][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022945 [ 144.023465][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 144.031482][ C1] [ 144.033795][ C1] Uninit was stored to memory at: [ 144.039374][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.045288][ C1] __msan_chain_origin+0x57/0xa0 [ 144.050378][ C1] iptunnel_xmit+0xbd6/0xf20 [ 144.055171][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.060322][ C1] geneve_xmit+0x209e/0x3c20 [ 144.065147][ C1] xmit_one+0x2b6/0x760 [ 144.069442][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 144.074571][ C1] dev_queue_xmit+0x4b/0x60 [ 144.079083][ C1] packet_sendmsg+0x8778/0x9a60 [ 144.083947][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.088814][ C1] __sys_sendmsg+0x714/0x830 [ 144.093736][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.098421][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.103192][ C1] do_syscall_64+0x9f/0x140 [ 144.107697][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.113596][ C1] [ 144.115931][ C1] Uninit was created at: [ 144.120160][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.125911][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 144.130617][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 144.136554][ C1] __alloc_skb+0x2f8/0xb30 [ 144.140972][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 144.146200][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.151412][ C1] packet_sendmsg+0x6aab/0x9a60 [ 144.156256][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.161103][ C1] __sys_sendmsg+0x714/0x830 [ 144.165692][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.170376][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.175141][ C1] do_syscall_64+0x9f/0x140 [ 144.179666][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.185581][ C1] ===================================================== [ 144.193370][ C1] ===================================================== [ 144.200378][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 144.207355][ C1] CPU: 1 PID: 8432 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.217522][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.227644][ C1] Call Trace: [ 144.230940][ C1] [ 144.233798][ C1] dump_stack+0x21c/0x280 [ 144.238185][ C1] kmsan_report+0xfb/0x1e0 [ 144.242650][ C1] __msan_warning+0x5f/0xa0 [ 144.247186][ C1] ip_rcv_core+0x1068/0x1480 [ 144.251805][ C1] ip_rcv+0xc7/0x820 [ 144.255730][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.260996][ C1] __netif_receive_skb+0x1ec/0x640 [ 144.266990][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.272665][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 144.278344][ C1] process_backlog+0x517/0xbd0 [ 144.283141][ C1] ? native_apic_mem_write+0x45/0x90 [ 144.288648][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 144.293964][ C1] napi_poll+0x428/0x15c0 [ 144.298438][ C1] net_rx_action+0x34c/0xd30 [ 144.303082][ C1] ? net_tx_action+0xd30/0xd30 [ 144.308009][ C1] __do_softirq+0x1b9/0x715 [ 144.312524][ C1] asm_call_irq_on_stack+0xf/0x20 [ 144.317553][ C1] [ 144.320485][ C1] do_softirq_own_stack+0x6e/0x90 [ 144.325640][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 144.330866][ C1] local_bh_enable+0x36/0x40 [ 144.335460][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 144.340499][ C1] dev_queue_xmit+0x4b/0x60 [ 144.345146][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.350465][ C1] packet_sendmsg+0x8778/0x9a60 [ 144.355330][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.360530][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.366255][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.371453][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.377485][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.383753][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.388611][ C1] ? packet_getsockopt+0x1120/0x1120 [ 144.393922][ C1] __sys_sendmsg+0x714/0x830 [ 144.398576][ C1] ? kmsan_get_metadata+0x117/0x180 [ 144.403779][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.409412][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 144.415490][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.420698][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.425380][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.430161][ C1] do_syscall_64+0x9f/0x140 [ 144.434678][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.440653][ C1] RIP: 0033:0x443df9 [ 144.444541][ 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 [ 144.464414][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 144.472949][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 144.480921][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 144.489000][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 144.497074][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022945 [ 144.505045][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 144.513039][ C1] [ 144.515352][ C1] Uninit was stored to memory at: [ 144.520354][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.526071][ C1] __msan_chain_origin+0x57/0xa0 [ 144.531012][ C1] __ip_local_out+0x479/0x840 [ 144.535687][ C1] ip_local_out+0xa1/0x1e0 [ 144.540140][ C1] iptunnel_xmit+0x931/0xf20 [ 144.544813][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.549917][ C1] geneve_xmit+0x209e/0x3c20 [ 144.554734][ C1] xmit_one+0x2b6/0x760 [ 144.558888][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 144.563926][ C1] dev_queue_xmit+0x4b/0x60 [ 144.568423][ C1] packet_sendmsg+0x8778/0x9a60 [ 144.573276][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.578131][ C1] __sys_sendmsg+0x714/0x830 [ 144.582742][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.587436][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.592229][ C1] do_syscall_64+0x9f/0x140 [ 144.596729][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.602642][ C1] [ 144.604957][ C1] Uninit was stored to memory at: [ 144.609970][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 144.615861][ C1] __msan_chain_origin+0x57/0xa0 [ 144.620939][ C1] iptunnel_xmit+0xbd6/0xf20 [ 144.625572][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 144.630708][ C1] geneve_xmit+0x209e/0x3c20 [ 144.635294][ C1] xmit_one+0x2b6/0x760 [ 144.639456][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 144.644493][ C1] dev_queue_xmit+0x4b/0x60 [ 144.649004][ C1] packet_sendmsg+0x8778/0x9a60 [ 144.653851][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.658707][ C1] __sys_sendmsg+0x714/0x830 [ 144.663321][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.668027][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.672784][ C1] do_syscall_64+0x9f/0x140 [ 144.677393][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.683322][ C1] [ 144.685643][ C1] Uninit was created at: [ 144.690062][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.695785][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 144.700494][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 144.706386][ C1] __alloc_skb+0x2f8/0xb30 [ 144.710800][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 144.715996][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 144.721217][ C1] packet_sendmsg+0x6aab/0x9a60 executing program [ 144.726055][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 144.730895][ C1] __sys_sendmsg+0x714/0x830 [ 144.735471][ C1] __se_sys_sendmsg+0x97/0xb0 [ 144.740134][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 144.744892][ C1] do_syscall_64+0x9f/0x140 [ 144.749426][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.755323][ C1] ===================================================== [ 144.807100][ C0] ===================================================== [ 144.814075][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 144.821185][ C0] CPU: 0 PID: 8433 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.831390][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.841484][ C0] Call Trace: [ 144.844778][ C0] [ 144.847632][ C0] dump_stack+0x21c/0x280 [ 144.851995][ C0] kmsan_report+0xfb/0x1e0 [ 144.856533][ C0] __msan_warning+0x5f/0xa0 [ 144.861232][ C0] ip_rcv_core+0xf4c/0x1480 [ 144.865772][ C0] ip_rcv+0xc7/0x820 [ 144.869830][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.875041][ C0] __netif_receive_skb+0x1ec/0x640 [ 144.880187][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.885830][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 144.891595][ C0] process_backlog+0x517/0xbd0 [ 144.896390][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.902032][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 144.907317][ C0] napi_poll+0x428/0x15c0 [ 144.911645][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.917321][ C0] net_rx_action+0x34c/0xd30 [ 144.921934][ C0] ? net_tx_action+0xd30/0xd30 [ 144.926706][ C0] __do_softirq+0x1b9/0x715 [ 144.931315][ C0] asm_call_irq_on_stack+0xf/0x20 [ 144.936350][ C0] [ 144.939284][ C0] do_softirq_own_stack+0x6e/0x90 [ 144.944317][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 144.949528][ C0] local_bh_enable+0x36/0x40 [ 144.954117][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 144.959156][ C0] dev_queue_xmit+0x4b/0x60 [ 144.963833][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 144.969215][ C0] packet_sendmsg+0x8778/0x9a60 [ 144.974108][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.979435][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.985259][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.990634][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.996464][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.002549][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.007401][ C0] ? packet_getsockopt+0x1120/0x1120 [ 145.012684][ C0] __sys_sendmsg+0x714/0x830 [ 145.017272][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.022486][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.028435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.033728][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.038599][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.043542][ C0] do_syscall_64+0x9f/0x140 [ 145.048084][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.053989][ C0] RIP: 0033:0x443df9 [ 145.057995][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 145.077809][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.086225][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.094197][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 145.102165][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.110160][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022fab [ 145.118142][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 145.126119][ C0] [ 145.128450][ C0] Uninit was stored to memory at: [ 145.133506][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 145.139250][ C0] __msan_chain_origin+0x57/0xa0 [ 145.144186][ C0] iptunnel_xmit+0xbd6/0xf20 [ 145.148776][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 145.154256][ C0] geneve_xmit+0x209e/0x3c20 [ 145.158881][ C0] xmit_one+0x2b6/0x760 [ 145.163069][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 145.168088][ C0] dev_queue_xmit+0x4b/0x60 [ 145.172744][ C0] packet_sendmsg+0x8778/0x9a60 [ 145.177645][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.182496][ C0] __sys_sendmsg+0x714/0x830 [ 145.187294][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.192059][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.196845][ C0] do_syscall_64+0x9f/0x140 [ 145.201389][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.207284][ C0] [ 145.209702][ C0] Uninit was created at: [ 145.214013][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.219830][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 145.224527][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 145.230435][ C0] __alloc_skb+0x2f8/0xb30 [ 145.234851][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 145.240061][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.245256][ C0] packet_sendmsg+0x6aab/0x9a60 [ 145.250105][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.254977][ C0] __sys_sendmsg+0x714/0x830 [ 145.259653][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.264337][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.269090][ C0] do_syscall_64+0x9f/0x140 [ 145.273629][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.279519][ C0] ===================================================== [ 145.286652][ C0] ===================================================== [ 145.293788][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 145.300677][ C0] CPU: 0 PID: 8433 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.310946][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.321020][ C0] Call Trace: [ 145.324320][ C0] [ 145.327174][ C0] dump_stack+0x21c/0x280 [ 145.331537][ C0] kmsan_report+0xfb/0x1e0 [ 145.335993][ C0] __msan_warning+0x5f/0xa0 [ 145.340536][ C0] ip_rcv_core+0xf5d/0x1480 [ 145.345077][ C0] ip_rcv+0xc7/0x820 [ 145.349005][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.354248][ C0] __netif_receive_skb+0x1ec/0x640 [ 145.359401][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.365094][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 145.371064][ C0] process_backlog+0x517/0xbd0 [ 145.375869][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.381504][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 145.386802][ C0] napi_poll+0x428/0x15c0 [ 145.391457][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.397128][ C0] net_rx_action+0x34c/0xd30 [ 145.401829][ C0] ? net_tx_action+0xd30/0xd30 [ 145.406593][ C0] __do_softirq+0x1b9/0x715 [ 145.411197][ C0] asm_call_irq_on_stack+0xf/0x20 [ 145.416226][ C0] [ 145.419150][ C0] do_softirq_own_stack+0x6e/0x90 [ 145.424176][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 145.429404][ C0] local_bh_enable+0x36/0x40 [ 145.434053][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 145.439152][ C0] dev_queue_xmit+0x4b/0x60 [ 145.443683][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.448981][ C0] packet_sendmsg+0x8778/0x9a60 [ 145.454187][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.459417][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.465487][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.470698][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.478388][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.484462][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.489316][ C0] ? packet_getsockopt+0x1120/0x1120 [ 145.494613][ C0] __sys_sendmsg+0x714/0x830 [ 145.499218][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.504543][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.510376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.515808][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.520707][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.525467][ C0] do_syscall_64+0x9f/0x140 [ 145.529984][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.535888][ C0] RIP: 0033:0x443df9 [ 145.539865][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 145.559490][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 145.568011][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 145.575984][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 145.583962][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 145.591930][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022fab [ 145.599900][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 145.607893][ C0] [ 145.610208][ C0] Uninit was stored to memory at: [ 145.615211][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 145.621034][ C0] __msan_chain_origin+0x57/0xa0 [ 145.625968][ C0] iptunnel_xmit+0xbd6/0xf20 [ 145.630550][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 145.635651][ C0] geneve_xmit+0x209e/0x3c20 [ 145.640246][ C0] xmit_one+0x2b6/0x760 [ 145.644395][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 145.649460][ C0] dev_queue_xmit+0x4b/0x60 [ 145.653971][ C0] packet_sendmsg+0x8778/0x9a60 [ 145.658815][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.663662][ C0] __sys_sendmsg+0x714/0x830 [ 145.668241][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.672909][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.677678][ C0] do_syscall_64+0x9f/0x140 [ 145.682216][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.688104][ C0] [ 145.690452][ C0] Uninit was created at: [ 145.694687][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.700398][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 145.705069][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 145.710954][ C0] __alloc_skb+0x2f8/0xb30 [ 145.715498][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 145.720701][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 145.725993][ C0] packet_sendmsg+0x6aab/0x9a60 [ 145.730837][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.735683][ C0] __sys_sendmsg+0x714/0x830 [ 145.740560][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.745342][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 145.750132][ C0] do_syscall_64+0x9f/0x140 [ 145.754633][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.760523][ C0] ===================================================== [ 145.767624][ C0] ===================================================== [ 145.774562][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 145.781537][ C0] CPU: 0 PID: 8433 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.791714][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.801782][ C0] Call Trace: [ 145.805069][ C0] [ 145.807920][ C0] dump_stack+0x21c/0x280 [ 145.812280][ C0] kmsan_report+0xfb/0x1e0 [ 145.816730][ C0] __msan_warning+0x5f/0xa0 [ 145.821263][ C0] ip_rcv_core+0x1068/0x1480 [ 145.825891][ C0] ip_rcv+0xc7/0x820 [ 145.829815][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.835045][ C0] __netif_receive_skb+0x1ec/0x640 [ 145.840186][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.845867][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 145.851516][ C0] process_backlog+0x517/0xbd0 [ 145.856296][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.861930][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 145.867229][ C0] napi_poll+0x428/0x15c0 [ 145.871551][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.877180][ C0] net_rx_action+0x34c/0xd30 [ 145.882140][ C0] ? net_tx_action+0xd30/0xd30 [ 145.886905][ C0] __do_softirq+0x1b9/0x715 [ 145.891411][ C0] asm_call_irq_on_stack+0xf/0x20 [ 145.896429][ C0] [ 145.899348][ C0] do_softirq_own_stack+0x6e/0x90 [ 145.904388][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 145.909589][ C0] local_bh_enable+0x36/0x40 [ 145.914171][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 145.919206][ C0] dev_queue_xmit+0x4b/0x60 [ 145.923738][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 145.929032][ C0] packet_sendmsg+0x8778/0x9a60 [ 145.933885][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.939078][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.944705][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.949897][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.955694][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.961776][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 145.966637][ C0] ? packet_getsockopt+0x1120/0x1120 [ 145.971917][ C0] __sys_sendmsg+0x714/0x830 [ 145.976536][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.981784][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.987587][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.992780][ C0] __se_sys_sendmsg+0x97/0xb0 [ 145.997451][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.002219][ C0] do_syscall_64+0x9f/0x140 [ 146.006736][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.012618][ C0] RIP: 0033:0x443df9 [ 146.016498][ 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 [ 146.036104][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.044537][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.052497][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 146.060471][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.068445][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000022fab [ 146.076439][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 146.084434][ C0] [ 146.086760][ C0] Uninit was stored to memory at: [ 146.091772][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.097486][ C0] __msan_chain_origin+0x57/0xa0 [ 146.102414][ C0] __ip_local_out+0x479/0x840 [ 146.107153][ C0] ip_local_out+0xa1/0x1e0 [ 146.111567][ C0] iptunnel_xmit+0x931/0xf20 [ 146.116173][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.121278][ C0] geneve_xmit+0x209e/0x3c20 [ 146.125960][ C0] xmit_one+0x2b6/0x760 [ 146.130131][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 146.135150][ C0] dev_queue_xmit+0x4b/0x60 [ 146.139689][ C0] packet_sendmsg+0x8778/0x9a60 [ 146.144552][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.149389][ C0] __sys_sendmsg+0x714/0x830 [ 146.153967][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.158891][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.163644][ C0] do_syscall_64+0x9f/0x140 [ 146.168139][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.174021][ C0] [ 146.176341][ C0] Uninit was stored to memory at: [ 146.181428][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.187155][ C0] __msan_chain_origin+0x57/0xa0 [ 146.192085][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.196663][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.201782][ C0] geneve_xmit+0x209e/0x3c20 [ 146.206367][ C0] xmit_one+0x2b6/0x760 [ 146.210543][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 146.215614][ C0] dev_queue_xmit+0x4b/0x60 [ 146.220121][ C0] packet_sendmsg+0x8778/0x9a60 [ 146.224988][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.229899][ C0] __sys_sendmsg+0x714/0x830 [ 146.234530][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.239274][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.244217][ C0] do_syscall_64+0x9f/0x140 [ 146.248826][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.254722][ C0] [ 146.257124][ C0] Uninit was created at: [ 146.261342][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.267102][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 146.272087][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 146.277986][ C0] __alloc_skb+0x2f8/0xb30 [ 146.282404][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 146.287592][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.292794][ C0] packet_sendmsg+0x6aab/0x9a60 [ 146.297812][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.302835][ C0] __sys_sendmsg+0x714/0x830 [ 146.307473][ C0] __se_sys_sendmsg+0x97/0xb0 executing program [ 146.312179][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.316964][ C0] do_syscall_64+0x9f/0x140 [ 146.321496][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.328885][ C0] ===================================================== [ 146.380409][ C1] ===================================================== [ 146.387394][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 146.394299][ C1] CPU: 1 PID: 8434 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.405202][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.415382][ C1] Call Trace: [ 146.418761][ C1] [ 146.421605][ C1] dump_stack+0x21c/0x280 [ 146.426200][ C1] kmsan_report+0xfb/0x1e0 [ 146.430636][ C1] __msan_warning+0x5f/0xa0 [ 146.435165][ C1] ip_rcv_core+0xf4c/0x1480 [ 146.439686][ C1] ip_rcv+0xc7/0x820 [ 146.443618][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.448948][ C1] __netif_receive_skb+0x1ec/0x640 [ 146.454089][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.459743][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 146.465585][ C1] process_backlog+0x517/0xbd0 [ 146.470579][ C1] ? native_apic_mem_write+0x45/0x90 [ 146.475887][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 146.481453][ C1] napi_poll+0x428/0x15c0 [ 146.485799][ C1] net_rx_action+0x34c/0xd30 [ 146.490407][ C1] ? net_tx_action+0xd30/0xd30 [ 146.495197][ C1] __do_softirq+0x1b9/0x715 [ 146.499817][ C1] asm_call_irq_on_stack+0xf/0x20 [ 146.504879][ C1] [ 146.507922][ C1] do_softirq_own_stack+0x6e/0x90 [ 146.513034][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 146.519151][ C1] local_bh_enable+0x36/0x40 [ 146.523932][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 146.528961][ C1] dev_queue_xmit+0x4b/0x60 [ 146.533463][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.538893][ C1] packet_sendmsg+0x8778/0x9a60 [ 146.543849][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.549246][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.554923][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.560167][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.566190][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.572313][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.577227][ C1] ? packet_getsockopt+0x1120/0x1120 [ 146.582529][ C1] __sys_sendmsg+0x714/0x830 [ 146.587126][ C1] ? kmsan_get_metadata+0x117/0x180 [ 146.592514][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.598185][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.604272][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.609488][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.614208][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.619517][ C1] do_syscall_64+0x9f/0x140 [ 146.624337][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.630252][ C1] RIP: 0033:0x443df9 [ 146.634150][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.654494][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.662938][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.670920][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 146.678927][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.686895][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00000000000235df [ 146.694976][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 146.702990][ C1] [ 146.705413][ C1] Uninit was stored to memory at: [ 146.710699][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 146.716457][ C1] __msan_chain_origin+0x57/0xa0 [ 146.721427][ C1] iptunnel_xmit+0xbd6/0xf20 [ 146.726227][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 146.731347][ C1] geneve_xmit+0x209e/0x3c20 [ 146.736374][ C1] xmit_one+0x2b6/0x760 [ 146.740543][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 146.745601][ C1] dev_queue_xmit+0x4b/0x60 [ 146.751761][ C1] packet_sendmsg+0x8778/0x9a60 [ 146.756737][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.761606][ C1] __sys_sendmsg+0x714/0x830 [ 146.766240][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.770939][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.775739][ C1] do_syscall_64+0x9f/0x140 [ 146.780258][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.786454][ C1] [ 146.789221][ C1] Uninit was created at: [ 146.793581][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.799318][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 146.804092][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 146.809985][ C1] __alloc_skb+0x2f8/0xb30 [ 146.814583][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 146.819922][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.825197][ C1] packet_sendmsg+0x6aab/0x9a60 [ 146.830082][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 146.834936][ C1] __sys_sendmsg+0x714/0x830 [ 146.839657][ C1] __se_sys_sendmsg+0x97/0xb0 [ 146.845592][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 146.851348][ C1] do_syscall_64+0x9f/0x140 [ 146.855902][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.862100][ C1] ===================================================== [ 146.869334][ C1] ===================================================== [ 146.876300][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 146.883193][ C1] CPU: 1 PID: 8434 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.893370][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.903446][ C1] Call Trace: [ 146.906774][ C1] [ 146.909716][ C1] dump_stack+0x21c/0x280 [ 146.914077][ C1] kmsan_report+0xfb/0x1e0 [ 146.918591][ C1] __msan_warning+0x5f/0xa0 [ 146.923131][ C1] ip_rcv_core+0xf5d/0x1480 [ 146.927983][ C1] ip_rcv+0xc7/0x820 [ 146.931915][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.937155][ C1] __netif_receive_skb+0x1ec/0x640 [ 146.942330][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.948107][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 146.953780][ C1] process_backlog+0x517/0xbd0 [ 146.958654][ C1] ? native_apic_mem_write+0x45/0x90 [ 146.963943][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 146.969225][ C1] napi_poll+0x428/0x15c0 [ 146.973564][ C1] net_rx_action+0x34c/0xd30 [ 146.978169][ C1] ? net_tx_action+0xd30/0xd30 [ 146.982926][ C1] __do_softirq+0x1b9/0x715 [ 146.987463][ C1] asm_call_irq_on_stack+0xf/0x20 [ 146.992694][ C1] [ 146.995615][ C1] do_softirq_own_stack+0x6e/0x90 [ 147.000636][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 147.005840][ C1] local_bh_enable+0x36/0x40 [ 147.010570][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 147.015684][ C1] dev_queue_xmit+0x4b/0x60 [ 147.020270][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.025640][ C1] packet_sendmsg+0x8778/0x9a60 [ 147.030521][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.035808][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.041469][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.046792][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.052651][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.058734][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.063818][ C1] ? packet_getsockopt+0x1120/0x1120 [ 147.069141][ C1] __sys_sendmsg+0x714/0x830 [ 147.073738][ C1] ? kmsan_get_metadata+0x117/0x180 [ 147.078975][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.084708][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.092991][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.098331][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.103384][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.108425][ C1] do_syscall_64+0x9f/0x140 [ 147.112930][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.118987][ C1] RIP: 0033:0x443df9 [ 147.123056][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.142927][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.151367][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.159469][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 147.167471][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.175520][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00000000000235df [ 147.183548][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 147.191607][ C1] [ 147.193953][ C1] Uninit was stored to memory at: [ 147.199100][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.205384][ C1] __msan_chain_origin+0x57/0xa0 [ 147.210358][ C1] iptunnel_xmit+0xbd6/0xf20 [ 147.215007][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.220430][ C1] geneve_xmit+0x209e/0x3c20 [ 147.226358][ C1] xmit_one+0x2b6/0x760 [ 147.230630][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 147.235723][ C1] dev_queue_xmit+0x4b/0x60 [ 147.240262][ C1] packet_sendmsg+0x8778/0x9a60 [ 147.246072][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.252882][ C1] __sys_sendmsg+0x714/0x830 [ 147.257489][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.262226][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.266988][ C1] do_syscall_64+0x9f/0x140 [ 147.271493][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.277404][ C1] [ 147.279714][ C1] Uninit was created at: [ 147.284084][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.289866][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 147.294580][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 147.300603][ C1] __alloc_skb+0x2f8/0xb30 [ 147.305026][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 147.310382][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.315614][ C1] packet_sendmsg+0x6aab/0x9a60 [ 147.320504][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.325395][ C1] __sys_sendmsg+0x714/0x830 [ 147.330109][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.334776][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.339531][ C1] do_syscall_64+0x9f/0x140 [ 147.344030][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.349914][ C1] ===================================================== [ 147.356989][ C1] ===================================================== [ 147.363950][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 147.370926][ C1] CPU: 1 PID: 8434 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.381099][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.391211][ C1] Call Trace: [ 147.394502][ C1] [ 147.397445][ C1] dump_stack+0x21c/0x280 [ 147.401894][ C1] kmsan_report+0xfb/0x1e0 [ 147.406373][ C1] __msan_warning+0x5f/0xa0 [ 147.410909][ C1] ip_rcv_core+0x1068/0x1480 [ 147.415562][ C1] ip_rcv+0xc7/0x820 [ 147.419487][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.424716][ C1] __netif_receive_skb+0x1ec/0x640 [ 147.429864][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.435634][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 147.441282][ C1] process_backlog+0x517/0xbd0 [ 147.446307][ C1] ? native_apic_mem_write+0x45/0x90 [ 147.451827][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 147.457111][ C1] napi_poll+0x428/0x15c0 [ 147.461436][ C1] net_rx_action+0x34c/0xd30 [ 147.466020][ C1] ? net_tx_action+0xd30/0xd30 [ 147.470777][ C1] __do_softirq+0x1b9/0x715 [ 147.475318][ C1] asm_call_irq_on_stack+0xf/0x20 [ 147.480373][ C1] [ 147.483439][ C1] do_softirq_own_stack+0x6e/0x90 [ 147.488468][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 147.493709][ C1] local_bh_enable+0x36/0x40 [ 147.498294][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 147.503488][ C1] dev_queue_xmit+0x4b/0x60 [ 147.507985][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.513261][ C1] packet_sendmsg+0x8778/0x9a60 [ 147.518107][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.523390][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.529519][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.534800][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.540600][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.546666][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.551598][ C1] ? packet_getsockopt+0x1120/0x1120 [ 147.556912][ C1] __sys_sendmsg+0x714/0x830 [ 147.561531][ C1] ? kmsan_get_metadata+0x117/0x180 [ 147.566772][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.572436][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.578506][ C1] ? kmsan_get_metadata+0x116/0x180 [ 147.583719][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.588402][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.593189][ C1] do_syscall_64+0x9f/0x140 [ 147.597731][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.603764][ C1] RIP: 0033:0x443df9 [ 147.607777][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.628361][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.636779][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.644748][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 147.652724][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.660702][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 00000000000235df [ 147.668678][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 147.676663][ C1] [ 147.678975][ C1] Uninit was stored to memory at: [ 147.683989][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.689715][ C1] __msan_chain_origin+0x57/0xa0 [ 147.694656][ C1] __ip_local_out+0x479/0x840 [ 147.699326][ C1] ip_local_out+0xa1/0x1e0 [ 147.704105][ C1] iptunnel_xmit+0x931/0xf20 [ 147.708695][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.713800][ C1] geneve_xmit+0x209e/0x3c20 [ 147.718490][ C1] xmit_one+0x2b6/0x760 [ 147.722638][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 147.727673][ C1] dev_queue_xmit+0x4b/0x60 [ 147.732174][ C1] packet_sendmsg+0x8778/0x9a60 [ 147.737041][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.741896][ C1] __sys_sendmsg+0x714/0x830 [ 147.746477][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.751180][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.755955][ C1] do_syscall_64+0x9f/0x140 [ 147.760470][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.766358][ C1] [ 147.768668][ C1] Uninit was stored to memory at: [ 147.773675][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 147.779400][ C1] __msan_chain_origin+0x57/0xa0 [ 147.784379][ C1] iptunnel_xmit+0xbd6/0xf20 [ 147.789059][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 147.794235][ C1] geneve_xmit+0x209e/0x3c20 [ 147.798827][ C1] xmit_one+0x2b6/0x760 [ 147.802985][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 147.808015][ C1] dev_queue_xmit+0x4b/0x60 [ 147.812526][ C1] packet_sendmsg+0x8778/0x9a60 [ 147.817398][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.822251][ C1] __sys_sendmsg+0x714/0x830 [ 147.826841][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.831516][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.836298][ C1] do_syscall_64+0x9f/0x140 [ 147.840879][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.846765][ C1] [ 147.849075][ C1] Uninit was created at: [ 147.853368][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.859176][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 147.863849][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 147.869738][ C1] __alloc_skb+0x2f8/0xb30 [ 147.874192][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 147.879389][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.884633][ C1] packet_sendmsg+0x6aab/0x9a60 [ 147.889470][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 147.894329][ C1] __sys_sendmsg+0x714/0x830 [ 147.898911][ C1] __se_sys_sendmsg+0x97/0xb0 [ 147.903729][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 147.908500][ C1] do_syscall_64+0x9f/0x140 [ 147.913107][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.921196][ C1] ===================================================== executing program [ 148.023610][ C0] ===================================================== [ 148.030676][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 148.037662][ C0] CPU: 0 PID: 8435 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.047979][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.058348][ C0] Call Trace: [ 148.061656][ C0] [ 148.064524][ C0] dump_stack+0x21c/0x280 [ 148.068886][ C0] kmsan_report+0xfb/0x1e0 [ 148.074664][ C0] __msan_warning+0x5f/0xa0 [ 148.079297][ C0] ip_rcv_core+0xf4c/0x1480 [ 148.083863][ C0] ip_rcv+0xc7/0x820 [ 148.087895][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.093251][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.098399][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.104199][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.109881][ C0] process_backlog+0x517/0xbd0 [ 148.114678][ C0] ? native_apic_mem_write+0x45/0x90 [ 148.120193][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 148.125688][ C0] napi_poll+0x428/0x15c0 [ 148.130058][ C0] net_rx_action+0x34c/0xd30 [ 148.134872][ C0] ? net_tx_action+0xd30/0xd30 [ 148.139661][ C0] __do_softirq+0x1b9/0x715 [ 148.144205][ C0] asm_call_irq_on_stack+0xf/0x20 [ 148.149468][ C0] [ 148.152422][ C0] do_softirq_own_stack+0x6e/0x90 [ 148.157679][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 148.162923][ C0] local_bh_enable+0x36/0x40 [ 148.167549][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 148.172705][ C0] dev_queue_xmit+0x4b/0x60 [ 148.177279][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.182941][ C0] packet_sendmsg+0x8778/0x9a60 [ 148.188460][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.193921][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.199815][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.206021][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.212505][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.219355][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.224522][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.229883][ C0] __sys_sendmsg+0x714/0x830 [ 148.234637][ C0] ? kmsan_get_metadata+0x117/0x180 [ 148.239913][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.245590][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.251782][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.257099][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.261892][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.266681][ C0] do_syscall_64+0x9f/0x140 [ 148.271247][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.277174][ C0] RIP: 0033:0x443df9 [ 148.281426][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 148.301052][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.309507][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.317523][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 148.325551][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.333568][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000023c03 [ 148.341558][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 148.349620][ C0] [ 148.351945][ C0] Uninit was stored to memory at: [ 148.356963][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.362715][ C0] __msan_chain_origin+0x57/0xa0 [ 148.367678][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.372270][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.377383][ C0] geneve_xmit+0x209e/0x3c20 [ 148.381980][ C0] xmit_one+0x2b6/0x760 [ 148.386158][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 148.391173][ C0] dev_queue_xmit+0x4b/0x60 [ 148.395762][ C0] packet_sendmsg+0x8778/0x9a60 [ 148.400696][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.405640][ C0] __sys_sendmsg+0x714/0x830 [ 148.410212][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.414958][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.419744][ C0] do_syscall_64+0x9f/0x140 [ 148.424240][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.430135][ C0] [ 148.432469][ C0] Uninit was created at: [ 148.436685][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.442447][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 148.447111][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 148.452989][ C0] __alloc_skb+0x2f8/0xb30 [ 148.458347][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.463543][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.468727][ C0] packet_sendmsg+0x6aab/0x9a60 [ 148.473558][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.478390][ C0] __sys_sendmsg+0x714/0x830 [ 148.482961][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.487622][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.492725][ C0] do_syscall_64+0x9f/0x140 [ 148.497232][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.503115][ C0] ===================================================== [ 148.510288][ C0] ===================================================== [ 148.517240][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 148.524212][ C0] CPU: 0 PID: 8435 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.534385][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.544459][ C0] Call Trace: [ 148.547730][ C0] [ 148.550560][ C0] dump_stack+0x21c/0x280 [ 148.554893][ C0] kmsan_report+0xfb/0x1e0 [ 148.559326][ C0] __msan_warning+0x5f/0xa0 [ 148.563842][ C0] ip_rcv_core+0xf5d/0x1480 [ 148.568434][ C0] ip_rcv+0xc7/0x820 [ 148.572439][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.577641][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.583654][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.589399][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.595044][ C0] process_backlog+0x517/0xbd0 [ 148.599898][ C0] ? native_apic_mem_write+0x45/0x90 [ 148.605305][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 148.610611][ C0] napi_poll+0x428/0x15c0 [ 148.614943][ C0] net_rx_action+0x34c/0xd30 [ 148.619556][ C0] ? net_tx_action+0xd30/0xd30 [ 148.624348][ C0] __do_softirq+0x1b9/0x715 [ 148.628857][ C0] asm_call_irq_on_stack+0xf/0x20 [ 148.634241][ C0] [ 148.637177][ C0] do_softirq_own_stack+0x6e/0x90 [ 148.642202][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 148.647430][ C0] local_bh_enable+0x36/0x40 [ 148.652015][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 148.657036][ C0] dev_queue_xmit+0x4b/0x60 [ 148.661535][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.666835][ C0] packet_sendmsg+0x8778/0x9a60 [ 148.671678][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.676871][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.682514][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.687723][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.693523][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.699611][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.704483][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.709778][ C0] __sys_sendmsg+0x714/0x830 [ 148.714565][ C0] ? kmsan_get_metadata+0x117/0x180 [ 148.719843][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.725483][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.731642][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.736855][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.741524][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.746279][ C0] do_syscall_64+0x9f/0x140 [ 148.750823][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.756795][ C0] RIP: 0033:0x443df9 [ 148.760704][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 148.781453][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.790331][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.798325][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 148.806310][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.814724][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000023c03 [ 148.822790][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 148.830775][ C0] [ 148.833096][ C0] Uninit was stored to memory at: [ 148.838098][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.843832][ C0] __msan_chain_origin+0x57/0xa0 [ 148.848765][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.853353][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.858490][ C0] geneve_xmit+0x209e/0x3c20 [ 148.863092][ C0] xmit_one+0x2b6/0x760 [ 148.867254][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 148.873163][ C0] dev_queue_xmit+0x4b/0x60 [ 148.877687][ C0] packet_sendmsg+0x8778/0x9a60 [ 148.882847][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.887693][ C0] __sys_sendmsg+0x714/0x830 [ 148.892342][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.897012][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.902114][ C0] do_syscall_64+0x9f/0x140 [ 148.907048][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.913369][ C0] [ 148.915677][ C0] Uninit was created at: [ 148.919894][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.925609][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 148.930289][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 148.936200][ C0] __alloc_skb+0x2f8/0xb30 [ 148.940643][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.945843][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.951047][ C0] packet_sendmsg+0x6aab/0x9a60 [ 148.955910][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.960785][ C0] __sys_sendmsg+0x714/0x830 [ 148.965382][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.970060][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.974812][ C0] do_syscall_64+0x9f/0x140 [ 148.979306][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.985203][ C0] ===================================================== [ 148.992284][ C0] ===================================================== [ 148.999257][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 149.006323][ C0] CPU: 0 PID: 8435 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.016586][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.026655][ C0] Call Trace: [ 149.029945][ C0] [ 149.032914][ C0] dump_stack+0x21c/0x280 [ 149.037279][ C0] kmsan_report+0xfb/0x1e0 [ 149.041730][ C0] __msan_warning+0x5f/0xa0 [ 149.046268][ C0] ip_rcv_core+0x1068/0x1480 [ 149.050977][ C0] ip_rcv+0xc7/0x820 [ 149.054901][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.060124][ C0] __netif_receive_skb+0x1ec/0x640 [ 149.065441][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.071142][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 149.076805][ C0] process_backlog+0x517/0xbd0 [ 149.081562][ C0] ? native_apic_mem_write+0x45/0x90 [ 149.086857][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 149.092591][ C0] napi_poll+0x428/0x15c0 [ 149.097263][ C0] net_rx_action+0x34c/0xd30 [ 149.101845][ C0] ? net_tx_action+0xd30/0xd30 [ 149.106615][ C0] __do_softirq+0x1b9/0x715 [ 149.111201][ C0] asm_call_irq_on_stack+0xf/0x20 [ 149.116223][ C0] [ 149.119195][ C0] do_softirq_own_stack+0x6e/0x90 [ 149.124216][ C0] __local_bh_enable_ip+0x184/0x1d0 [ 149.129431][ C0] local_bh_enable+0x36/0x40 [ 149.134012][ C0] __dev_queue_xmit+0x3b3e/0x45c0 [ 149.139033][ C0] dev_queue_xmit+0x4b/0x60 [ 149.143526][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.148821][ C0] packet_sendmsg+0x8778/0x9a60 [ 149.153751][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.158976][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.164611][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.169806][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.175608][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.181689][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.186551][ C0] ? packet_getsockopt+0x1120/0x1120 [ 149.191841][ C0] __sys_sendmsg+0x714/0x830 [ 149.196427][ C0] ? kmsan_get_metadata+0x117/0x180 [ 149.201636][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.207283][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.213424][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.218669][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.223439][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.228315][ C0] do_syscall_64+0x9f/0x140 [ 149.232922][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.238817][ C0] RIP: 0033:0x443df9 [ 149.242720][ 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 [ 149.262658][ C0] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.271074][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 149.279149][ C0] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 149.287241][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.295226][ C0] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000023c03 [ 149.303190][ C0] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 149.311163][ C0] [ 149.313563][ C0] Uninit was stored to memory at: [ 149.318710][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.324455][ C0] __msan_chain_origin+0x57/0xa0 [ 149.329429][ C0] __ip_local_out+0x479/0x840 [ 149.334102][ C0] ip_local_out+0xa1/0x1e0 [ 149.338525][ C0] iptunnel_xmit+0x931/0xf20 [ 149.343111][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.348234][ C0] geneve_xmit+0x209e/0x3c20 [ 149.352923][ C0] xmit_one+0x2b6/0x760 [ 149.357071][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 149.362088][ C0] dev_queue_xmit+0x4b/0x60 [ 149.366584][ C0] packet_sendmsg+0x8778/0x9a60 [ 149.371445][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.376320][ C0] __sys_sendmsg+0x714/0x830 [ 149.381224][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.385957][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.390968][ C0] do_syscall_64+0x9f/0x140 [ 149.395500][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.401417][ C0] [ 149.403740][ C0] Uninit was stored to memory at: [ 149.408797][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.414570][ C0] __msan_chain_origin+0x57/0xa0 [ 149.419513][ C0] iptunnel_xmit+0xbd6/0xf20 [ 149.424106][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.429237][ C0] geneve_xmit+0x209e/0x3c20 [ 149.433826][ C0] xmit_one+0x2b6/0x760 [ 149.438167][ C0] __dev_queue_xmit+0x3426/0x45c0 [ 149.443189][ C0] dev_queue_xmit+0x4b/0x60 [ 149.447706][ C0] packet_sendmsg+0x8778/0x9a60 [ 149.452567][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.457418][ C0] __sys_sendmsg+0x714/0x830 [ 149.462007][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.466676][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.471481][ C0] do_syscall_64+0x9f/0x140 [ 149.475990][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.481904][ C0] [ 149.484216][ C0] Uninit was created at: [ 149.488464][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.494199][ C0] kmsan_slab_alloc+0x8d/0xe0 [ 149.498893][ C0] __kmalloc_node_track_caller+0xa37/0x1430 [ 149.504780][ C0] __alloc_skb+0x2f8/0xb30 [ 149.509189][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 149.514405][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.519602][ C0] packet_sendmsg+0x6aab/0x9a60 [ 149.524570][ C0] ____sys_sendmsg+0xcfc/0x12f0 executing program [ 149.529420][ C0] __sys_sendmsg+0x714/0x830 [ 149.534008][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.538676][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.543481][ C0] do_syscall_64+0x9f/0x140 [ 149.548259][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.554150][ C0] ===================================================== [ 149.589611][ C1] ===================================================== [ 149.596600][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.603515][ C1] CPU: 1 PID: 8436 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.613692][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.623765][ C1] Call Trace: [ 149.627064][ C1] [ 149.629917][ C1] dump_stack+0x21c/0x280 [ 149.634302][ C1] kmsan_report+0xfb/0x1e0 [ 149.638760][ C1] __msan_warning+0x5f/0xa0 [ 149.643301][ C1] ip_rcv_core+0xf4c/0x1480 [ 149.648227][ C1] ip_rcv+0xc7/0x820 [ 149.652221][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.657428][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.662551][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.668256][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.673896][ C1] process_backlog+0x517/0xbd0 [ 149.678687][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 149.683967][ C1] napi_poll+0x428/0x15c0 [ 149.688299][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.693520][ C1] net_rx_action+0x34c/0xd30 [ 149.698133][ C1] ? net_tx_action+0xd30/0xd30 [ 149.703256][ C1] __do_softirq+0x1b9/0x715 [ 149.708111][ C1] asm_call_irq_on_stack+0xf/0x20 [ 149.713153][ C1] [ 149.716075][ C1] do_softirq_own_stack+0x6e/0x90 [ 149.721142][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 149.726364][ C1] local_bh_enable+0x36/0x40 [ 149.730993][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 149.736035][ C1] dev_queue_xmit+0x4b/0x60 [ 149.740750][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.746074][ C1] packet_sendmsg+0x8778/0x9a60 [ 149.750941][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.756228][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.762085][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.767520][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.773436][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.779827][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.784809][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.790125][ C1] __sys_sendmsg+0x714/0x830 [ 149.794887][ C1] ? kmsan_get_metadata+0x117/0x180 [ 149.800237][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.806067][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.812160][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.817553][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.822682][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.827449][ C1] do_syscall_64+0x9f/0x140 [ 149.832001][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.838019][ C1] RIP: 0033:0x443df9 [ 149.842573][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 149.862455][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.870978][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 149.879353][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 149.887692][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.895671][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000024260 [ 149.903670][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 149.912136][ C1] [ 149.914454][ C1] Uninit was stored to memory at: [ 149.919475][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.925206][ C1] __msan_chain_origin+0x57/0xa0 [ 149.930411][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.935007][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.940159][ C1] geneve_xmit+0x209e/0x3c20 [ 149.944774][ C1] xmit_one+0x2b6/0x760 [ 149.948926][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 149.953956][ C1] dev_queue_xmit+0x4b/0x60 [ 149.958455][ C1] packet_sendmsg+0x8778/0x9a60 [ 149.964362][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.969217][ C1] __sys_sendmsg+0x714/0x830 [ 149.974452][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.979312][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.984244][ C1] do_syscall_64+0x9f/0x140 [ 149.988745][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.994633][ C1] [ 149.996940][ C1] Uninit was created at: [ 150.001163][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.006899][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 150.011611][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 150.017503][ C1] __alloc_skb+0x2f8/0xb30 [ 150.021919][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.027132][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.032327][ C1] packet_sendmsg+0x6aab/0x9a60 [ 150.037182][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.043460][ C1] __sys_sendmsg+0x714/0x830 [ 150.048322][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.053170][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.057949][ C1] do_syscall_64+0x9f/0x140 [ 150.062459][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.068371][ C1] ===================================================== [ 150.075735][ C1] ===================================================== [ 150.082710][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 150.090045][ C1] CPU: 1 PID: 8436 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.100256][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.110331][ C1] Call Trace: [ 150.113635][ C1] [ 150.116492][ C1] dump_stack+0x21c/0x280 [ 150.120880][ C1] kmsan_report+0xfb/0x1e0 [ 150.125335][ C1] __msan_warning+0x5f/0xa0 [ 150.129896][ C1] ip_rcv_core+0xf5d/0x1480 [ 150.134462][ C1] ip_rcv+0xc7/0x820 [ 150.138399][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.143747][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.149557][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.155225][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.160979][ C1] process_backlog+0x517/0xbd0 [ 150.165876][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 150.171190][ C1] napi_poll+0x428/0x15c0 [ 150.175560][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.180761][ C1] net_rx_action+0x34c/0xd30 [ 150.185364][ C1] ? net_tx_action+0xd30/0xd30 [ 150.190182][ C1] __do_softirq+0x1b9/0x715 [ 150.194684][ C1] asm_call_irq_on_stack+0xf/0x20 [ 150.199769][ C1] [ 150.202729][ C1] do_softirq_own_stack+0x6e/0x90 [ 150.207770][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 150.212975][ C1] local_bh_enable+0x36/0x40 [ 150.217571][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 150.222600][ C1] dev_queue_xmit+0x4b/0x60 [ 150.227369][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.232799][ C1] packet_sendmsg+0x8778/0x9a60 [ 150.237658][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.242911][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.249356][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.254565][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.260372][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.266450][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.271325][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.276647][ C1] __sys_sendmsg+0x714/0x830 [ 150.281260][ C1] ? kmsan_get_metadata+0x117/0x180 [ 150.286458][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.292093][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.298160][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.303374][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.308048][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.312813][ C1] do_syscall_64+0x9f/0x140 [ 150.317350][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.323261][ C1] RIP: 0033:0x443df9 [ 150.327162][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 150.346787][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.355312][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.364191][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 150.372185][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.380265][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000024260 [ 150.388325][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 150.396314][ C1] [ 150.398628][ C1] Uninit was stored to memory at: [ 150.403651][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.409387][ C1] __msan_chain_origin+0x57/0xa0 [ 150.414337][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.418920][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.424034][ C1] geneve_xmit+0x209e/0x3c20 [ 150.428651][ C1] xmit_one+0x2b6/0x760 [ 150.432826][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 150.437859][ C1] dev_queue_xmit+0x4b/0x60 [ 150.442369][ C1] packet_sendmsg+0x8778/0x9a60 [ 150.447227][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.452137][ C1] __sys_sendmsg+0x714/0x830 [ 150.456931][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.461624][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.467787][ C1] do_syscall_64+0x9f/0x140 [ 150.472294][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.478189][ C1] [ 150.480500][ C1] Uninit was created at: [ 150.484717][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.490562][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 150.495238][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 150.501248][ C1] __alloc_skb+0x2f8/0xb30 [ 150.505666][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.510894][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.516085][ C1] packet_sendmsg+0x6aab/0x9a60 [ 150.520949][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.525879][ C1] __sys_sendmsg+0x714/0x830 [ 150.530472][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.535155][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.539911][ C1] do_syscall_64+0x9f/0x140 [ 150.544416][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.550306][ C1] ===================================================== [ 150.557433][ C1] ===================================================== [ 150.564403][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 150.571463][ C1] CPU: 1 PID: 8436 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.581635][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.591708][ C1] Call Trace: [ 150.595001][ C1] [ 150.597854][ C1] dump_stack+0x21c/0x280 [ 150.602213][ C1] kmsan_report+0xfb/0x1e0 [ 150.606665][ C1] __msan_warning+0x5f/0xa0 [ 150.611229][ C1] ip_rcv_core+0x1068/0x1480 [ 150.615857][ C1] ip_rcv+0xc7/0x820 [ 150.619797][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.625045][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.630229][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.635887][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.641525][ C1] process_backlog+0x517/0xbd0 [ 150.646297][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 150.651604][ C1] napi_poll+0x428/0x15c0 [ 150.655929][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.661312][ C1] net_rx_action+0x34c/0xd30 [ 150.665910][ C1] ? net_tx_action+0xd30/0xd30 [ 150.670814][ C1] __do_softirq+0x1b9/0x715 [ 150.676103][ C1] asm_call_irq_on_stack+0xf/0x20 [ 150.681146][ C1] [ 150.684067][ C1] do_softirq_own_stack+0x6e/0x90 [ 150.689088][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 150.694286][ C1] local_bh_enable+0x36/0x40 [ 150.698972][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 150.704011][ C1] dev_queue_xmit+0x4b/0x60 [ 150.708548][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.713943][ C1] packet_sendmsg+0x8778/0x9a60 [ 150.718801][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.724019][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.729676][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.734879][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.740715][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.746789][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.751637][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.756921][ C1] __sys_sendmsg+0x714/0x830 [ 150.761632][ C1] ? kmsan_get_metadata+0x117/0x180 [ 150.766837][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.772495][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.778660][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.783876][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.788593][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.793407][ C1] do_syscall_64+0x9f/0x140 [ 150.797917][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.803841][ C1] RIP: 0033:0x443df9 [ 150.807739][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 150.827890][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.836311][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.844370][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 150.852357][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.860352][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 0000000000024260 [ 150.868330][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 150.876368][ C1] [ 150.878744][ C1] Uninit was stored to memory at: [ 150.883881][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.889928][ C1] __msan_chain_origin+0x57/0xa0 [ 150.895569][ C1] __ip_local_out+0x479/0x840 [ 150.900272][ C1] ip_local_out+0xa1/0x1e0 [ 150.904712][ C1] iptunnel_xmit+0x931/0xf20 [ 150.909471][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.914625][ C1] geneve_xmit+0x209e/0x3c20 [ 150.919218][ C1] xmit_one+0x2b6/0x760 [ 150.923465][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 150.928506][ C1] dev_queue_xmit+0x4b/0x60 [ 150.933034][ C1] packet_sendmsg+0x8778/0x9a60 [ 150.938800][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.943654][ C1] __sys_sendmsg+0x714/0x830 [ 150.948392][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.953217][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.958151][ C1] do_syscall_64+0x9f/0x140 [ 150.962785][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.968805][ C1] [ 150.971127][ C1] Uninit was stored to memory at: [ 150.976139][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.981872][ C1] __msan_chain_origin+0x57/0xa0 [ 150.986816][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.991405][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.996536][ C1] geneve_xmit+0x209e/0x3c20 [ 151.001169][ C1] xmit_one+0x2b6/0x760 [ 151.005328][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 151.010351][ C1] dev_queue_xmit+0x4b/0x60 [ 151.014852][ C1] packet_sendmsg+0x8778/0x9a60 [ 151.019711][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.024558][ C1] __sys_sendmsg+0x714/0x830 [ 151.029144][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.033814][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.038574][ C1] do_syscall_64+0x9f/0x140 [ 151.043093][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.049010][ C1] [ 151.051443][ C1] Uninit was created at: [ 151.055709][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.061491][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 151.066201][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 151.072138][ C1] __alloc_skb+0x2f8/0xb30 [ 151.076724][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.081948][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.087184][ C1] packet_sendmsg+0x6aab/0x9a60 [ 151.092036][ C1] ____sys_sendmsg+0xcfc/0x12f0 executing program [ 151.096883][ C1] __sys_sendmsg+0x714/0x830 [ 151.101471][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.106142][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.110921][ C1] do_syscall_64+0x9f/0x140 [ 151.115446][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.121383][ C1] ===================================================== [ 151.166753][ C1] ===================================================== [ 151.173822][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 151.180888][ C1] CPU: 1 PID: 8437 Comm: syz-executor925 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.191072][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.201172][ C1] Call Trace: [ 151.204616][ C1] [ 151.207835][ C1] dump_stack+0x21c/0x280 [ 151.212188][ C1] kmsan_report+0xfb/0x1e0 [ 151.216626][ C1] __msan_warning+0x5f/0xa0 [ 151.221175][ C1] ip_rcv_core+0xf4c/0x1480 [ 151.225699][ C1] ip_rcv+0xc7/0x820 [ 151.229588][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.234800][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.239910][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.245626][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.251259][ C1] process_backlog+0x517/0xbd0 [ 151.256448][ C1] ? native_apic_mem_write+0x45/0x90 [ 151.261728][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 151.267001][ C1] napi_poll+0x428/0x15c0 [ 151.271416][ C1] net_rx_action+0x34c/0xd30 [ 151.276021][ C1] ? net_tx_action+0xd30/0xd30 [ 151.280821][ C1] __do_softirq+0x1b9/0x715 [ 151.285424][ C1] asm_call_irq_on_stack+0xf/0x20 [ 151.290445][ C1] [ 151.293390][ C1] do_softirq_own_stack+0x6e/0x90 [ 151.299126][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 151.304334][ C1] local_bh_enable+0x36/0x40 [ 151.308918][ C1] __dev_queue_xmit+0x3b3e/0x45c0 [ 151.313977][ C1] dev_queue_xmit+0x4b/0x60 [ 151.318552][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.323824][ C1] packet_sendmsg+0x8778/0x9a60 [ 151.328679][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.333898][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.340057][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.345250][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.351065][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.357132][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.361973][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.367243][ C1] __sys_sendmsg+0x714/0x830 [ 151.371823][ C1] ? kmsan_get_metadata+0x117/0x180 [ 151.377023][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.382731][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.388786][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.393989][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.398654][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.403523][ C1] do_syscall_64+0x9f/0x140 [ 151.409148][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.415046][ C1] RIP: 0033:0x443df9 [ 151.418984][ 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 [ 151.438964][ C1] RSP: 002b:00007ffc5bc4d068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.447397][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 151.455473][ C1] RDX: 0000000000000000 RSI: 0000000020001440 RDI: 0000000000000003 [ 151.463436][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.471541][ C1] R10: 00007ffc5bc4cae0 R11: 0000000000000246 R12: 000000000002488b [ 151.479641][ C1] R13: 00007ffc5bc4d090 R14: 00007ffc5bc4d080 R15: 00007ffc5bc4d074 [ 151.487720][ C1] [ 151.490049][ C1] Uninit was stored to memory at: [ 151.495051][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.500782][ C1] __msan_chain_origin+0x57/0xa0 [ 151.505714][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.510303][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.515398][ C1] geneve_xmit+0x209e/0x3c20 [ 151.519986][ C1] xmit_one+0x2b6/0x760 [ 151.524126][ C1] __dev_queue_xmit+0x3426/0x45c0 [ 151.529309][ C1] dev_queue_xmit+0x4b/0x60 [ 151.533808][ C1] packet_sendmsg+0x8778/0x9a60 [ 151.538641][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.543476][ C1] __sys_sendmsg+0x714/0x830 [ 151.548152][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.552827][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.557709][ C1] do_syscall_64+0x9f/0x140 [ 151.562285][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.568344][ C1] [ 151.570944][ C1] Uninit was created at: [ 151.575158][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.581015][ C1] kmsan_slab_alloc+0x8d/0xe0 [ 151.585764][ C1] __kmalloc_node_track_caller+0xa37/0x1430 [ 151.591653][ C1] __alloc_skb+0x2f8/0xb30 [ 151.596072][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.601259][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.606445][ C1] packet_sendmsg+0x6aab/0x9a60 [ 151.611297][ C1] ____sys_sendmsg+0xcfc/0x12f0