[ 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 '10.128.0.241' (ECDSA) to the list of known hosts. syzkaller login: [ 145.449242][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 145.611154][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 145.701071][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.709433][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.718903][ T8217] device bridge_slave_0 entered promiscuous mode [ 145.730163][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.737613][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.747073][ T8217] device bridge_slave_1 entered promiscuous mode [ 145.783575][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.798413][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.835671][ T8217] team0: Port device team_slave_0 added [ 145.846524][ T8217] team0: Port device team_slave_1 added [ 145.878273][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 145.885418][ T8217] 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. [ 145.911798][ T8217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 145.925018][ T8217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 145.932037][ T8217] 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. [ 145.958327][ T8217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.000880][ T8217] device hsr_slave_0 entered promiscuous mode [ 146.008570][ T8217] device hsr_slave_1 entered promiscuous mode [ 146.186512][ T8217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 146.198390][ T8217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 146.233151][ T8217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 146.247291][ T8217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 146.330148][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.337569][ T8217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.345389][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.352866][ T8217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.433227][ T8217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.455021][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 146.465448][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.476205][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.487338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 146.507023][ T8217] 8021q: adding VLAN 0 to HW filter on device team0 [ 146.521991][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 146.532512][ T1981] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.539752][ T1981] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.557082][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 146.566327][ T775] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.573818][ T775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.589100][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 146.607549][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 146.625123][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 146.634703][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 146.647570][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 146.663025][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 146.673665][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 146.692774][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 146.702499][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 146.718049][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 146.727484][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 146.743091][ T8217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 146.776169][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 146.784591][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 146.805128][ T8217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 146.840826][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 146.850534][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 146.885518][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 146.895060][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 146.908711][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 146.917929][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 146.930331][ T8217] device veth0_vlan entered promiscuous mode [ 146.951244][ T8217] device veth1_vlan entered promiscuous mode [ 146.991139][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 147.000883][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 147.010573][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 147.020446][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 147.037349][ T8217] device veth0_macvtap entered promiscuous mode [ 147.051209][ T8217] device veth1_macvtap entered promiscuous mode [ 147.085788][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 147.093914][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 147.103193][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 147.112592][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 147.121879][ T775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 147.140846][ T8217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 147.148612][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 147.158783][ T1981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 147.175528][ T8217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.184737][ T8217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.193779][ T8217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.202795][ T8217] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 147.363980][ C0] ===================================================== [ 147.370961][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 147.377865][ C0] CPU: 0 PID: 8427 Comm: syz-executor470 Not tainted 5.12.0-rc6-syzkaller #0 [ 147.386647][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.396719][ C0] Call Trace: [ 147.400011][ C0] [ 147.402850][ C0] dump_stack+0x24c/0x2e0 [ 147.407415][ C0] kmsan_report+0xfb/0x1e0 [ 147.411839][ C0] __msan_warning+0x5c/0xa0 [ 147.416335][ C0] ip_rcv_core+0xf4c/0x1480 [ 147.420834][ C0] ip_rcv+0xc7/0x820 [ 147.424727][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.430008][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.435121][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.440768][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.446457][ C0] process_backlog+0x517/0xbd0 [ 147.451240][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.456531][ C0] __napi_poll+0x13e/0xca0 [ 147.460939][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.467007][ C0] net_rx_action+0x726/0x14a0 [ 147.471721][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.477568][ C0] ? net_tx_action+0xd30/0xd30 [ 147.482380][ C0] __do_softirq+0x1b9/0x715 [ 147.486889][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.491144][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.495908][ C0] do_softirq+0x123/0x1c0 [ 147.500267][ C0] [ 147.503306][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 147.508428][ C0] local_bh_enable+0x36/0x40 [ 147.513041][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 147.518160][ C0] dev_queue_xmit+0x4b/0x60 [ 147.522668][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.527949][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.532803][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.538031][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.543662][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 147.548682][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.554497][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.560560][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.565491][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.570806][ C0] __sys_sendmsg+0x714/0x830 [ 147.575404][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.581037][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.587133][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.593132][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.598427][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.603110][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.608487][ C0] do_syscall_64+0x9f/0x140 [ 147.613255][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.619373][ C0] RIP: 0033:0x443e49 [ 147.623271][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 147.643074][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.651495][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 147.659493][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 147.667571][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.675576][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00007ffc349ab930 [ 147.683568][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 0000000000000003 [ 147.691565][ C0] [ 147.693895][ C0] Uninit was stored to memory at: [ 147.698927][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.704649][ C0] __msan_chain_origin+0x54/0xa0 [ 147.709577][ C0] iptunnel_xmit+0xbd6/0xf20 [ 147.714177][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.719307][ C0] geneve_xmit+0x2139/0x3c40 [ 147.723891][ C0] xmit_one+0x2b6/0x760 [ 147.728038][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.733053][ C0] dev_queue_xmit+0x4b/0x60 [ 147.737545][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.742386][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.747229][ C0] __sys_sendmsg+0x714/0x830 [ 147.751827][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.756508][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.761290][ C0] do_syscall_64+0x9f/0x140 [ 147.765907][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.772203][ C0] [ 147.774518][ C0] Uninit was created at: [ 147.778738][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.784534][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.789211][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.795098][ C0] __alloc_skb+0x4dd/0xe90 [ 147.799507][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.804696][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.810232][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.815088][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.819933][ C0] __sys_sendmsg+0x714/0x830 [ 147.824707][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.829575][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.834338][ C0] do_syscall_64+0x9f/0x140 [ 147.838837][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.844729][ C0] ===================================================== [ 147.851653][ C0] Disabling lock debugging due to kernel taint [ 147.858096][ C0] ===================================================== [ 147.865039][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 147.871926][ C0] CPU: 0 PID: 8427 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.882102][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.892177][ C0] Call Trace: [ 147.895470][ C0] [ 147.898418][ C0] dump_stack+0x24c/0x2e0 [ 147.902788][ C0] kmsan_report+0xfb/0x1e0 [ 147.907334][ C0] __msan_warning+0x5c/0xa0 [ 147.911886][ C0] ip_rcv_core+0xf5d/0x1480 [ 147.916858][ C0] ip_rcv+0xc7/0x820 [ 147.920778][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.926014][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.931154][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.936829][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.942493][ C0] process_backlog+0x517/0xbd0 [ 147.947288][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.952605][ C0] __napi_poll+0x13e/0xca0 [ 147.957050][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.963152][ C0] net_rx_action+0x726/0x14a0 [ 147.967878][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.973718][ C0] ? net_tx_action+0xd30/0xd30 [ 147.978503][ C0] __do_softirq+0x1b9/0x715 [ 147.983007][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.987251][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.992044][ C0] do_softirq+0x123/0x1c0 [ 147.996388][ C0] [ 147.999317][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.004428][ C0] local_bh_enable+0x36/0x40 [ 148.009351][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.014418][ C0] dev_queue_xmit+0x4b/0x60 [ 148.018923][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.027624][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.033773][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.038995][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.044640][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 148.049671][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.055537][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.061810][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.066677][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.071960][ C0] __sys_sendmsg+0x714/0x830 [ 148.076633][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.082263][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.088327][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.094306][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.099511][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.104185][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.109210][ C0] do_syscall_64+0x9f/0x140 [ 148.113826][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.119748][ C0] RIP: 0033:0x443e49 [ 148.123638][ 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 [ 148.143458][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.151893][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 148.160069][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 148.168041][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.176004][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00007ffc349ab930 [ 148.183971][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 0000000000000003 [ 148.191955][ C0] [ 148.194281][ C0] Uninit was stored to memory at: [ 148.199282][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.205000][ C0] __msan_chain_origin+0x54/0xa0 [ 148.210389][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.214972][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.220082][ C0] geneve_xmit+0x2139/0x3c40 [ 148.224699][ C0] xmit_one+0x2b6/0x760 [ 148.228884][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.233916][ C0] dev_queue_xmit+0x4b/0x60 [ 148.238524][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.243376][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.248219][ C0] __sys_sendmsg+0x714/0x830 [ 148.252809][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.257473][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.262243][ C0] do_syscall_64+0x9f/0x140 [ 148.266765][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.272658][ C0] [ 148.275374][ C0] Uninit was created at: [ 148.279605][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.285329][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.290003][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.295893][ C0] __alloc_skb+0x4dd/0xe90 [ 148.300324][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.305514][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.310977][ C0] packet_sendmsg+0x6a12/0x99d0 [ 148.315846][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.320695][ C0] __sys_sendmsg+0x714/0x830 [ 148.325285][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.329956][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.334765][ C0] do_syscall_64+0x9f/0x140 [ 148.339267][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.345158][ C0] ===================================================== [ 148.352278][ C0] ===================================================== [ 148.359225][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 148.366196][ C0] CPU: 0 PID: 8427 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.376480][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.386559][ C0] Call Trace: [ 148.389857][ C0] [ 148.392718][ C0] dump_stack+0x24c/0x2e0 [ 148.397076][ C0] kmsan_report+0xfb/0x1e0 [ 148.401520][ C0] __msan_warning+0x5c/0xa0 [ 148.406048][ C0] ip_rcv_core+0x1068/0x1480 [ 148.410671][ C0] ip_rcv+0xc7/0x820 [ 148.414595][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.419818][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.424958][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.430637][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.436304][ C0] process_backlog+0x517/0xbd0 [ 148.441106][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.446424][ C0] __napi_poll+0x13e/0xca0 [ 148.450862][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.456932][ C0] net_rx_action+0x726/0x14a0 [ 148.461905][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.467727][ C0] ? net_tx_action+0xd30/0xd30 [ 148.472529][ C0] __do_softirq+0x1b9/0x715 [ 148.477027][ C0] ? idle_cpu+0x9a/0x1d0 [ 148.481269][ C0] ? __irq_exit_rcu+0x83/0x280 [ 148.486027][ C0] do_softirq+0x123/0x1c0 [ 148.490358][ C0] [ 148.493292][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.498312][ C0] local_bh_enable+0x36/0x40 [ 148.502955][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.508030][ C0] dev_queue_xmit+0x4b/0x60 [ 148.512536][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.517830][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.522689][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.527882][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.533529][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 148.538577][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.544415][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.550520][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.555374][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.560663][ C0] __sys_sendmsg+0x714/0x830 [ 148.565290][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.570940][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.577068][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.583043][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.588241][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.592957][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.597738][ C0] do_syscall_64+0x9f/0x140 [ 148.602413][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.608358][ C0] RIP: 0033:0x443e49 [ 148.612536][ 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 [ 148.632188][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.640655][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 148.648625][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 148.656591][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.664572][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00007ffc349ab930 [ 148.672574][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 0000000000000003 [ 148.680580][ C0] [ 148.682909][ C0] Uninit was stored to memory at: [ 148.688249][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.693979][ C0] __msan_chain_origin+0x54/0xa0 [ 148.698918][ C0] __ip_local_out+0x479/0x840 [ 148.703585][ C0] ip_local_out+0xa1/0x1e0 [ 148.707993][ C0] iptunnel_xmit+0x931/0xf20 [ 148.712577][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.717680][ C0] geneve_xmit+0x2139/0x3c40 [ 148.722285][ C0] xmit_one+0x2b6/0x760 [ 148.726457][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.731490][ C0] dev_queue_xmit+0x4b/0x60 [ 148.736019][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.740919][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.745769][ C0] __sys_sendmsg+0x714/0x830 [ 148.750367][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.755036][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.759794][ C0] do_syscall_64+0x9f/0x140 [ 148.764319][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.770217][ C0] [ 148.772539][ C0] Uninit was stored to memory at: [ 148.777550][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.783314][ C0] __msan_chain_origin+0x54/0xa0 [ 148.788275][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.792863][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.797966][ C0] geneve_xmit+0x2139/0x3c40 [ 148.802569][ C0] xmit_one+0x2b6/0x760 [ 148.806716][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.811914][ C0] dev_queue_xmit+0x4b/0x60 [ 148.816502][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.821373][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.826253][ C0] __sys_sendmsg+0x714/0x830 [ 148.830939][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.835622][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.840413][ C0] do_syscall_64+0x9f/0x140 [ 148.844914][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.850808][ C0] [ 148.853120][ C0] Uninit was created at: [ 148.857338][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.863070][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.867741][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.873632][ C0] __alloc_skb+0x4dd/0xe90 [ 148.878071][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.883350][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.888559][ C0] packet_sendmsg+0x6a12/0x99d0 [ 148.893418][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.898265][ C0] __sys_sendmsg+0x714/0x830 [ 148.902934][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.907640][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.912485][ C0] do_syscall_64+0x9f/0x140 [ 148.916995][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.922918][ C0] ===================================================== executing program [ 149.028734][ C1] ===================================================== [ 149.035745][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.042638][ C1] CPU: 1 PID: 8430 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.052815][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.062885][ C1] Call Trace: [ 149.066171][ C1] [ 149.069010][ C1] dump_stack+0x24c/0x2e0 [ 149.073343][ C1] kmsan_report+0xfb/0x1e0 [ 149.077753][ C1] __msan_warning+0x5c/0xa0 [ 149.082245][ C1] ip_rcv_core+0xf4c/0x1480 [ 149.086743][ C1] ip_rcv+0xc7/0x820 [ 149.090638][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.095835][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.100948][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.106690][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.112489][ C1] process_backlog+0x517/0xbd0 [ 149.118560][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.123847][ C1] __napi_poll+0x13e/0xca0 [ 149.128298][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.134388][ C1] net_rx_action+0x726/0x14a0 [ 149.139066][ C1] ? net_tx_action+0xd30/0xd30 [ 149.143827][ C1] __do_softirq+0x1b9/0x715 [ 149.148342][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.152580][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.157365][ C1] do_softirq+0x123/0x1c0 [ 149.161683][ C1] [ 149.164623][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.169649][ C1] local_bh_enable+0x36/0x40 [ 149.174246][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.179301][ C1] dev_queue_xmit+0x4b/0x60 [ 149.183798][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.189074][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.193941][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.199149][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.204795][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 149.210259][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.216062][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.222426][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.227299][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.232595][ C1] __sys_sendmsg+0x714/0x830 [ 149.237194][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.242857][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.248942][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.254930][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.260126][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.264824][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.269578][ C1] do_syscall_64+0x9f/0x140 [ 149.274076][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.280041][ C1] RIP: 0033:0x443e49 [ 149.283926][ 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 [ 149.303636][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.312154][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 149.320132][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 149.328111][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.336195][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000023fb2 [ 149.344154][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 149.352139][ C1] [ 149.354478][ C1] Uninit was stored to memory at: [ 149.359487][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.365219][ C1] __msan_chain_origin+0x54/0xa0 [ 149.370150][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.374746][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.379859][ C1] geneve_xmit+0x2139/0x3c40 [ 149.384445][ C1] xmit_one+0x2b6/0x760 [ 149.388650][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.393759][ C1] dev_queue_xmit+0x4b/0x60 [ 149.398256][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.403115][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.408080][ C1] __sys_sendmsg+0x714/0x830 [ 149.412950][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.417622][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.422405][ C1] do_syscall_64+0x9f/0x140 [ 149.426913][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.432831][ C1] [ 149.435153][ C1] Uninit was created at: [ 149.439401][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.445130][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.449800][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.455797][ C1] __alloc_skb+0x4dd/0xe90 [ 149.460415][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.465695][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.471010][ C1] packet_sendmsg+0x6a12/0x99d0 [ 149.475857][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.480701][ C1] __sys_sendmsg+0x714/0x830 [ 149.485363][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.490027][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.494793][ C1] do_syscall_64+0x9f/0x140 [ 149.499300][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.505214][ C1] ===================================================== [ 149.512586][ C1] ===================================================== [ 149.519523][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 149.526405][ C1] CPU: 1 PID: 8430 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.536668][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.546755][ C1] Call Trace: [ 149.550050][ C1] [ 149.552914][ C1] dump_stack+0x24c/0x2e0 [ 149.557277][ C1] kmsan_report+0xfb/0x1e0 [ 149.561722][ C1] __msan_warning+0x5c/0xa0 [ 149.566254][ C1] ip_rcv_core+0xf5d/0x1480 [ 149.570792][ C1] ip_rcv+0xc7/0x820 [ 149.574716][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.579944][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.585130][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.590823][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.596481][ C1] process_backlog+0x517/0xbd0 [ 149.601348][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.606668][ C1] __napi_poll+0x13e/0xca0 [ 149.611345][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.617504][ C1] net_rx_action+0x726/0x14a0 [ 149.622209][ C1] ? net_tx_action+0xd30/0xd30 [ 149.626979][ C1] __do_softirq+0x1b9/0x715 [ 149.631496][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.635756][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.640521][ C1] do_softirq+0x123/0x1c0 [ 149.644883][ C1] [ 149.647811][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.652828][ C1] local_bh_enable+0x36/0x40 [ 149.657410][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.662448][ C1] dev_queue_xmit+0x4b/0x60 [ 149.666967][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.672285][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.677164][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.682366][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.688001][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 149.693063][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.699021][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.705105][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.709991][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.715366][ C1] __sys_sendmsg+0x714/0x830 [ 149.719989][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.725737][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 149.731815][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.737815][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.743025][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.747730][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.752495][ C1] do_syscall_64+0x9f/0x140 [ 149.756999][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.762895][ C1] RIP: 0033:0x443e49 [ 149.767058][ 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 [ 149.786678][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.795127][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 149.803187][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 149.811520][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.819497][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000023fb2 [ 149.827479][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 149.835486][ C1] [ 149.837799][ C1] Uninit was stored to memory at: [ 149.842817][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.848537][ C1] __msan_chain_origin+0x54/0xa0 [ 149.853465][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.858061][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.863174][ C1] geneve_xmit+0x2139/0x3c40 [ 149.868459][ C1] xmit_one+0x2b6/0x760 [ 149.872610][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.877655][ C1] dev_queue_xmit+0x4b/0x60 [ 149.882254][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.887101][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.891961][ C1] __sys_sendmsg+0x714/0x830 [ 149.896558][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.901233][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.906000][ C1] do_syscall_64+0x9f/0x140 [ 149.910695][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.916584][ C1] [ 149.918893][ C1] Uninit was created at: [ 149.923115][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.928875][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.933571][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.939520][ C1] __alloc_skb+0x4dd/0xe90 [ 149.943933][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.949131][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.954348][ C1] packet_sendmsg+0x6a12/0x99d0 [ 149.959352][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.964210][ C1] __sys_sendmsg+0x714/0x830 [ 149.969015][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.973813][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.978577][ C1] do_syscall_64+0x9f/0x140 [ 149.983167][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.989064][ C1] ===================================================== [ 149.996148][ C1] ===================================================== [ 150.003119][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 150.010222][ C1] CPU: 1 PID: 8430 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.020759][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.030847][ C1] Call Trace: [ 150.034143][ C1] [ 150.037007][ C1] dump_stack+0x24c/0x2e0 [ 150.041374][ C1] kmsan_report+0xfb/0x1e0 [ 150.046436][ C1] __msan_warning+0x5c/0xa0 [ 150.050972][ C1] ip_rcv_core+0x1068/0x1480 [ 150.055621][ C1] ip_rcv+0xc7/0x820 [ 150.059850][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.065079][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.070323][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.076001][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.081682][ C1] process_backlog+0x517/0xbd0 [ 150.086483][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.091827][ C1] __napi_poll+0x13e/0xca0 [ 150.096290][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.102401][ C1] net_rx_action+0x726/0x14a0 [ 150.107110][ C1] ? net_tx_action+0xd30/0xd30 [ 150.112137][ C1] __do_softirq+0x1b9/0x715 [ 150.116670][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.121151][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.126047][ C1] do_softirq+0x123/0x1c0 [ 150.130494][ C1] [ 150.133429][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.138448][ C1] local_bh_enable+0x36/0x40 [ 150.143058][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.148095][ C1] dev_queue_xmit+0x4b/0x60 [ 150.152606][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.157884][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.162824][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.168043][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.173703][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 150.178721][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.184569][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.190655][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.195600][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.200898][ C1] __sys_sendmsg+0x714/0x830 [ 150.205491][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.211136][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.217288][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.223307][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.228552][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.233262][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.238107][ C1] do_syscall_64+0x9f/0x140 [ 150.242727][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.248648][ C1] RIP: 0033:0x443e49 [ 150.252536][ 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 [ 150.272228][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.280757][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 150.288718][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 150.297267][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.305500][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000023fb2 [ 150.313680][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 150.321673][ C1] [ 150.324001][ C1] Uninit was stored to memory at: [ 150.329004][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.334721][ C1] __msan_chain_origin+0x54/0xa0 [ 150.339830][ C1] __ip_local_out+0x479/0x840 [ 150.344536][ C1] ip_local_out+0xa1/0x1e0 [ 150.348965][ C1] iptunnel_xmit+0x931/0xf20 [ 150.353671][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.358792][ C1] geneve_xmit+0x2139/0x3c40 [ 150.363420][ C1] xmit_one+0x2b6/0x760 [ 150.367570][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.372597][ C1] dev_queue_xmit+0x4b/0x60 [ 150.377106][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.381959][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.386804][ C1] __sys_sendmsg+0x714/0x830 [ 150.391415][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.396099][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.400854][ C1] do_syscall_64+0x9f/0x140 [ 150.405461][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.411485][ C1] [ 150.413803][ C1] Uninit was stored to memory at: [ 150.418844][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.424571][ C1] __msan_chain_origin+0x54/0xa0 [ 150.429506][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.434136][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.439267][ C1] geneve_xmit+0x2139/0x3c40 [ 150.443848][ C1] xmit_one+0x2b6/0x760 [ 150.448003][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.453058][ C1] dev_queue_xmit+0x4b/0x60 [ 150.457555][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.462396][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.468291][ C1] __sys_sendmsg+0x714/0x830 [ 150.473070][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.477738][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.482494][ C1] do_syscall_64+0x9f/0x140 [ 150.487001][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.492892][ C1] [ 150.495219][ C1] Uninit was created at: [ 150.499470][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.505198][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 150.509884][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.515766][ C1] __alloc_skb+0x4dd/0xe90 [ 150.520180][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.525378][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.530668][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 150.535516][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.540457][ C1] __sys_sendmsg+0x714/0x830 [ 150.545139][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.549810][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.554562][ C1] do_syscall_64+0x9f/0x140 [ 150.559055][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.564938][ C1] ===================================================== [ 150.628797][ C1] ===================================================== [ 150.635774][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 150.642655][ C1] CPU: 1 PID: 8431 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.652923][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.663082][ C1] Call Trace: [ 150.666524][ C1] [ 150.669357][ C1] dump_stack+0x24c/0x2e0 [ 150.673695][ C1] kmsan_report+0xfb/0x1e0 [ 150.679263][ C1] __msan_warning+0x5c/0xa0 [ 150.683765][ C1] ip_rcv_core+0xf4c/0x1480 [ 150.688380][ C1] ip_rcv+0xc7/0x820 [ 150.692285][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.697493][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.702872][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.708497][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.714130][ C1] process_backlog+0x517/0xbd0 [ 150.718890][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.724157][ C1] __napi_poll+0x13e/0xca0 [ 150.728558][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.734609][ C1] net_rx_action+0x726/0x14a0 [ 150.739272][ C1] ? net_tx_action+0xd30/0xd30 [ 150.744016][ C1] __do_softirq+0x1b9/0x715 [ 150.748505][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.752747][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.757510][ C1] do_softirq+0x123/0x1c0 [ 150.761836][ C1] [ 150.764759][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.769868][ C1] local_bh_enable+0x36/0x40 [ 150.774456][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.779494][ C1] dev_queue_xmit+0x4b/0x60 [ 150.783995][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.789276][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.794128][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.799318][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.805030][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 150.810054][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.815850][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.821919][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.826769][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.832057][ C1] __sys_sendmsg+0x714/0x830 [ 150.836659][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.842289][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 150.848370][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.854340][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.859527][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.864192][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.868944][ C1] do_syscall_64+0x9f/0x140 [ 150.873460][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.879449][ C1] RIP: 0033:0x443e49 [ 150.883337][ 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 [ 150.903071][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.911478][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 150.919703][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 150.927670][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.935627][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024656 [ 150.943678][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 150.951648][ C1] [ 150.954024][ C1] Uninit was stored to memory at: [ 150.959034][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.964780][ C1] __msan_chain_origin+0x54/0xa0 [ 150.969709][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.974286][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.979479][ C1] geneve_xmit+0x2139/0x3c40 [ 150.984079][ C1] xmit_one+0x2b6/0x760 [ 150.988229][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.993239][ C1] dev_queue_xmit+0x4b/0x60 [ 150.997745][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.002609][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.007537][ C1] __sys_sendmsg+0x714/0x830 [ 151.012116][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.016969][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.021732][ C1] do_syscall_64+0x9f/0x140 [ 151.026443][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.033038][ C1] [ 151.035354][ C1] Uninit was created at: [ 151.039580][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.045645][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.050412][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.056666][ C1] __alloc_skb+0x4dd/0xe90 [ 151.061075][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.066345][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.071594][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.076446][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.081299][ C1] __sys_sendmsg+0x714/0x830 [ 151.085900][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.090569][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.095351][ C1] do_syscall_64+0x9f/0x140 [ 151.099962][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.105853][ C1] ===================================================== [ 151.113088][ C1] ===================================================== [ 151.120055][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 151.126939][ C1] CPU: 1 PID: 8431 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.137122][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.147191][ C1] Call Trace: [ 151.150491][ C1] [ 151.153346][ C1] dump_stack+0x24c/0x2e0 [ 151.157734][ C1] kmsan_report+0xfb/0x1e0 [ 151.162225][ C1] __msan_warning+0x5c/0xa0 [ 151.166755][ C1] ip_rcv_core+0xf5d/0x1480 [ 151.171291][ C1] ip_rcv+0xc7/0x820 [ 151.175212][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.180464][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.185597][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.191266][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.196934][ C1] process_backlog+0x517/0xbd0 [ 151.202169][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.207479][ C1] __napi_poll+0x13e/0xca0 [ 151.211903][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.217961][ C1] net_rx_action+0x726/0x14a0 [ 151.222666][ C1] ? net_tx_action+0xd30/0xd30 [ 151.227458][ C1] __do_softirq+0x1b9/0x715 [ 151.231967][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.236285][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.241121][ C1] do_softirq+0x123/0x1c0 [ 151.245491][ C1] [ 151.248416][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.253476][ C1] local_bh_enable+0x36/0x40 [ 151.258067][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.263095][ C1] dev_queue_xmit+0x4b/0x60 [ 151.267591][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.272874][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.277819][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.283040][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.288710][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 151.293749][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.299588][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.305661][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.310516][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.315833][ C1] __sys_sendmsg+0x714/0x830 [ 151.320468][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.326393][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.332501][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.338481][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.343675][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.348354][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.353135][ C1] do_syscall_64+0x9f/0x140 [ 151.357643][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.363589][ C1] RIP: 0033:0x443e49 [ 151.367478][ 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 [ 151.388034][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.396456][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 151.404421][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 151.412386][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.420551][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024656 [ 151.428514][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 151.436491][ C1] [ 151.438807][ C1] Uninit was stored to memory at: [ 151.443809][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.449597][ C1] __msan_chain_origin+0x54/0xa0 [ 151.454539][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.459157][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.464353][ C1] geneve_xmit+0x2139/0x3c40 [ 151.468943][ C1] xmit_one+0x2b6/0x760 [ 151.473095][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.478130][ C1] dev_queue_xmit+0x4b/0x60 [ 151.482681][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.487563][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.492580][ C1] __sys_sendmsg+0x714/0x830 [ 151.497210][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.501883][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.506637][ C1] do_syscall_64+0x9f/0x140 [ 151.511141][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.517033][ C1] [ 151.519364][ C1] Uninit was created at: [ 151.523682][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.529400][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.534083][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.539985][ C1] __alloc_skb+0x4dd/0xe90 [ 151.544417][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.549608][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.554807][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.560093][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.564934][ C1] __sys_sendmsg+0x714/0x830 [ 151.569536][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.574205][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.578965][ C1] do_syscall_64+0x9f/0x140 [ 151.583459][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.589350][ C1] ===================================================== [ 151.596463][ C1] ===================================================== [ 151.603406][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 151.610409][ C1] CPU: 1 PID: 8431 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.620850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.631012][ C1] Call Trace: [ 151.634308][ C1] [ 151.637169][ C1] dump_stack+0x24c/0x2e0 [ 151.641532][ C1] kmsan_report+0xfb/0x1e0 [ 151.645977][ C1] __msan_warning+0x5c/0xa0 [ 151.650508][ C1] ip_rcv_core+0x1068/0x1480 [ 151.655128][ C1] ip_rcv+0xc7/0x820 [ 151.659065][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.664295][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.669427][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.675086][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.680850][ C1] process_backlog+0x517/0xbd0 [ 151.685619][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.690899][ C1] __napi_poll+0x13e/0xca0 [ 151.695337][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.701411][ C1] net_rx_action+0x726/0x14a0 [ 151.706097][ C1] ? net_tx_action+0xd30/0xd30 [ 151.710866][ C1] __do_softirq+0x1b9/0x715 [ 151.715416][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.719687][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.724446][ C1] do_softirq+0x123/0x1c0 [ 151.728769][ C1] [ 151.731712][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.736730][ C1] local_bh_enable+0x36/0x40 [ 151.741406][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.746458][ C1] dev_queue_xmit+0x4b/0x60 [ 151.750994][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.756322][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.761259][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.766470][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.772118][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 151.777176][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.782995][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.789078][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.793930][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.799215][ C1] __sys_sendmsg+0x714/0x830 [ 151.803907][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.809543][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 151.815786][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.821793][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.826989][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.831680][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.836444][ C1] do_syscall_64+0x9f/0x140 [ 151.840978][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.846962][ C1] RIP: 0033:0x443e49 [ 151.850860][ 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 [ 151.870469][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.878882][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 151.886852][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 151.894814][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.902780][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024656 [ 151.910768][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 151.922391][ C1] [ 151.924708][ C1] Uninit was stored to memory at: [ 151.929711][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.935436][ C1] __msan_chain_origin+0x54/0xa0 [ 151.940378][ C1] __ip_local_out+0x479/0x840 [ 151.945057][ C1] ip_local_out+0xa1/0x1e0 [ 151.949492][ C1] iptunnel_xmit+0x931/0xf20 [ 151.954072][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.959178][ C1] geneve_xmit+0x2139/0x3c40 [ 151.963759][ C1] xmit_one+0x2b6/0x760 [ 151.967904][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.972988][ C1] dev_queue_xmit+0x4b/0x60 [ 151.977628][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.982519][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.987365][ C1] __sys_sendmsg+0x714/0x830 [ 151.991950][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.996637][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.001392][ C1] do_syscall_64+0x9f/0x140 [ 152.005890][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.011785][ C1] [ 152.014122][ C1] Uninit was stored to memory at: [ 152.019140][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.024879][ C1] __msan_chain_origin+0x54/0xa0 [ 152.029840][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.034433][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.039545][ C1] geneve_xmit+0x2139/0x3c40 [ 152.044164][ C1] xmit_one+0x2b6/0x760 [ 152.048336][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.053360][ C1] dev_queue_xmit+0x4b/0x60 [ 152.057900][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.062756][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.067635][ C1] __sys_sendmsg+0x714/0x830 [ 152.072256][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.076962][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.081758][ C1] do_syscall_64+0x9f/0x140 [ 152.086266][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.092166][ C1] [ 152.094493][ C1] Uninit was created at: [ 152.098713][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.104453][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.109125][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.115011][ C1] __alloc_skb+0x4dd/0xe90 [ 152.119489][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.124693][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.129892][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 152.134740][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.139597][ C1] __sys_sendmsg+0x714/0x830 [ 152.144358][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.149039][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.153804][ C1] do_syscall_64+0x9f/0x140 [ 152.158348][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.164269][ C1] ===================================================== [ 152.221699][ C0] ===================================================== [ 152.228693][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 152.235590][ C0] CPU: 0 PID: 8432 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.245778][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.255863][ C0] Call Trace: [ 152.259169][ C0] [ 152.262032][ C0] dump_stack+0x24c/0x2e0 [ 152.266391][ C0] kmsan_report+0xfb/0x1e0 [ 152.270840][ C0] __msan_warning+0x5c/0xa0 [ 152.276329][ C0] ip_rcv_core+0xf4c/0x1480 [ 152.280865][ C0] ip_rcv+0xc7/0x820 [ 152.284804][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.290033][ C0] __netif_receive_skb+0x1ec/0x640 [ 152.295172][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.300845][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 152.306508][ C0] process_backlog+0x517/0xbd0 [ 152.311313][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.316628][ C0] __napi_poll+0x13e/0xca0 [ 152.321079][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.327177][ C0] net_rx_action+0x726/0x14a0 [ 152.331983][ C0] ? net_tx_action+0xd30/0xd30 [ 152.336799][ C0] __do_softirq+0x1b9/0x715 [ 152.341329][ C0] ? idle_cpu+0x9a/0x1d0 [ 152.345602][ C0] ? __irq_exit_rcu+0x83/0x280 [ 152.350399][ C0] do_softirq+0x123/0x1c0 [ 152.354754][ C0] [ 152.357701][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 152.362765][ C0] local_bh_enable+0x36/0x40 [ 152.367388][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 152.372451][ C0] dev_queue_xmit+0x4b/0x60 [ 152.377167][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.382481][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.387360][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.392583][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.398248][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 152.403300][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.409128][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.415941][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.420833][ C0] ? packet_getsockopt+0x1120/0x1120 [ 152.426156][ C0] __sys_sendmsg+0x714/0x830 [ 152.430794][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.436496][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 152.442609][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 152.448692][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.453894][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.458593][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.463344][ C0] do_syscall_64+0x9f/0x140 [ 152.467839][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.473721][ C0] RIP: 0033:0x443e49 [ 152.477617][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 152.497254][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.505664][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 152.513621][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 152.521590][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 152.529545][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024c89 [ 152.539126][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 152.547091][ C0] [ 152.549397][ C0] Uninit was stored to memory at: [ 152.554395][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 152.560107][ C0] __msan_chain_origin+0x54/0xa0 [ 152.565241][ C0] iptunnel_xmit+0xbd6/0xf20 [ 152.569835][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 152.574955][ C0] geneve_xmit+0x2139/0x3c40 [ 152.579559][ C0] xmit_one+0x2b6/0x760 [ 152.583701][ C0] __dev_queue_xmit+0x3432/0x4600 [ 152.588729][ C0] dev_queue_xmit+0x4b/0x60 [ 152.593223][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.598062][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.602897][ C0] __sys_sendmsg+0x714/0x830 [ 152.607470][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.612133][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.616968][ C0] do_syscall_64+0x9f/0x140 [ 152.621472][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.627377][ C0] [ 152.629679][ C0] Uninit was created at: [ 152.633910][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.639619][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 152.644279][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.650159][ C0] __alloc_skb+0x4dd/0xe90 [ 152.654589][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 152.659790][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.664992][ C0] packet_sendmsg+0x6a12/0x99d0 [ 152.669834][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.674666][ C0] __sys_sendmsg+0x714/0x830 [ 152.679272][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.683933][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.688680][ C0] do_syscall_64+0x9f/0x140 [ 152.693170][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.699056][ C0] ===================================================== [ 152.706218][ C0] ===================================================== [ 152.713248][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 152.720311][ C0] CPU: 0 PID: 8432 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.730487][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.740561][ C0] Call Trace: [ 152.743852][ C0] [ 152.746703][ C0] dump_stack+0x24c/0x2e0 [ 152.751110][ C0] kmsan_report+0xfb/0x1e0 [ 152.755553][ C0] __msan_warning+0x5c/0xa0 [ 152.760081][ C0] ip_rcv_core+0xf5d/0x1480 [ 152.764613][ C0] ip_rcv+0xc7/0x820 [ 152.768509][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.773713][ C0] __netif_receive_skb+0x1ec/0x640 [ 152.778820][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.784462][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 152.790113][ C0] process_backlog+0x517/0xbd0 [ 152.794910][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.800193][ C0] __napi_poll+0x13e/0xca0 [ 152.804623][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.810706][ C0] net_rx_action+0x726/0x14a0 [ 152.815493][ C0] ? net_tx_action+0xd30/0xd30 [ 152.820248][ C0] __do_softirq+0x1b9/0x715 [ 152.824745][ C0] ? idle_cpu+0x9a/0x1d0 [ 152.829129][ C0] ? __irq_exit_rcu+0x83/0x280 [ 152.833924][ C0] do_softirq+0x123/0x1c0 [ 152.838398][ C0] [ 152.841399][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 152.846428][ C0] local_bh_enable+0x36/0x40 [ 152.851050][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 152.856112][ C0] dev_queue_xmit+0x4b/0x60 [ 152.860612][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.865889][ C0] packet_sendmsg+0x86ee/0x99d0 [ 152.870759][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.876328][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.882008][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 152.887094][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.892896][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.899004][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 152.903865][ C0] ? packet_getsockopt+0x1120/0x1120 [ 152.909177][ C0] __sys_sendmsg+0x714/0x830 [ 152.913762][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.919411][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 152.925475][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 152.931446][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.936641][ C0] __se_sys_sendmsg+0x97/0xb0 [ 152.941328][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 152.946084][ C0] do_syscall_64+0x9f/0x140 [ 152.950580][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.956490][ C0] RIP: 0033:0x443e49 [ 152.960391][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 152.979985][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.988390][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 152.996369][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 153.004333][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.012295][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024c89 [ 153.021132][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 153.029109][ C0] [ 153.031588][ C0] Uninit was stored to memory at: [ 153.036702][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.042553][ C0] __msan_chain_origin+0x54/0xa0 [ 153.047493][ C0] iptunnel_xmit+0xbd6/0xf20 [ 153.052088][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 153.057216][ C0] geneve_xmit+0x2139/0x3c40 [ 153.061825][ C0] xmit_one+0x2b6/0x760 [ 153.066213][ C0] __dev_queue_xmit+0x3432/0x4600 [ 153.071252][ C0] dev_queue_xmit+0x4b/0x60 [ 153.075867][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.080727][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.085585][ C0] __sys_sendmsg+0x714/0x830 [ 153.090366][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.095047][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.099807][ C0] do_syscall_64+0x9f/0x140 [ 153.104311][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.110319][ C0] [ 153.112639][ C0] Uninit was created at: [ 153.117075][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.122862][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 153.127539][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.133518][ C0] __alloc_skb+0x4dd/0xe90 [ 153.138040][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 153.143252][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.148482][ C0] packet_sendmsg+0x6a12/0x99d0 [ 153.153330][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.158232][ C0] __sys_sendmsg+0x714/0x830 [ 153.162810][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.167476][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.172226][ C0] do_syscall_64+0x9f/0x140 [ 153.176738][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.182633][ C0] ===================================================== [ 153.189830][ C0] ===================================================== [ 153.196794][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 153.203757][ C0] CPU: 0 PID: 8432 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.214039][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.224387][ C0] Call Trace: [ 153.227688][ C0] [ 153.230545][ C0] dump_stack+0x24c/0x2e0 [ 153.234911][ C0] kmsan_report+0xfb/0x1e0 [ 153.239354][ C0] __msan_warning+0x5c/0xa0 [ 153.243885][ C0] ip_rcv_core+0x1068/0x1480 [ 153.248530][ C0] ip_rcv+0xc7/0x820 [ 153.252452][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.257707][ C0] __netif_receive_skb+0x1ec/0x640 [ 153.262846][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.268520][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 153.274188][ C0] process_backlog+0x517/0xbd0 [ 153.278992][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.284324][ C0] __napi_poll+0x13e/0xca0 [ 153.288748][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.294821][ C0] net_rx_action+0x726/0x14a0 [ 153.299560][ C0] ? net_tx_action+0xd30/0xd30 [ 153.304323][ C0] __do_softirq+0x1b9/0x715 [ 153.308841][ C0] ? idle_cpu+0x9a/0x1d0 [ 153.313085][ C0] ? __irq_exit_rcu+0x83/0x280 [ 153.317844][ C0] do_softirq+0x123/0x1c0 [ 153.322170][ C0] [ 153.325095][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 153.330143][ C0] local_bh_enable+0x36/0x40 [ 153.334739][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 153.339761][ C0] dev_queue_xmit+0x4b/0x60 [ 153.344261][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.349536][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.354410][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.359602][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.365241][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 153.370282][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.376239][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.382324][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.387197][ C0] ? packet_getsockopt+0x1120/0x1120 [ 153.392525][ C0] __sys_sendmsg+0x714/0x830 [ 153.397197][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.402846][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 153.408909][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 153.416106][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.421299][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.425976][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.430734][ C0] do_syscall_64+0x9f/0x140 [ 153.435258][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.441195][ C0] RIP: 0033:0x443e49 [ 153.445093][ 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 [ 153.464760][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.473188][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 153.481159][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 153.489146][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.497132][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000024c89 [ 153.505198][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 153.513166][ C0] [ 153.515475][ C0] Uninit was stored to memory at: [ 153.526467][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.532185][ C0] __msan_chain_origin+0x54/0xa0 [ 153.537111][ C0] __ip_local_out+0x479/0x840 [ 153.541779][ C0] ip_local_out+0xa1/0x1e0 [ 153.546271][ C0] iptunnel_xmit+0x931/0xf20 [ 153.550967][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 153.556934][ C0] geneve_xmit+0x2139/0x3c40 [ 153.561616][ C0] xmit_one+0x2b6/0x760 [ 153.565770][ C0] __dev_queue_xmit+0x3432/0x4600 [ 153.570788][ C0] dev_queue_xmit+0x4b/0x60 [ 153.575300][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.580150][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.584997][ C0] __sys_sendmsg+0x714/0x830 [ 153.589592][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.594257][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.599008][ C0] do_syscall_64+0x9f/0x140 [ 153.603516][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.609490][ C0] [ 153.611799][ C0] Uninit was stored to memory at: [ 153.616821][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.622560][ C0] __msan_chain_origin+0x54/0xa0 [ 153.627486][ C0] iptunnel_xmit+0xbd6/0xf20 [ 153.632073][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 153.637199][ C0] geneve_xmit+0x2139/0x3c40 [ 153.641792][ C0] xmit_one+0x2b6/0x760 [ 153.645958][ C0] __dev_queue_xmit+0x3432/0x4600 [ 153.650979][ C0] dev_queue_xmit+0x4b/0x60 [ 153.655497][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.660355][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.665196][ C0] __sys_sendmsg+0x714/0x830 [ 153.669967][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.674642][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.679410][ C0] do_syscall_64+0x9f/0x140 [ 153.683921][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.689813][ C0] [ 153.692123][ C0] Uninit was created at: [ 153.696340][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.702138][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 153.706858][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.712824][ C0] __alloc_skb+0x4dd/0xe90 [ 153.717322][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 153.722531][ C0] sock_alloc_send_pskb+0xdc1/0xf90 executing program [ 153.727724][ C0] packet_sendmsg+0x6a12/0x99d0 [ 153.732567][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.737450][ C0] __sys_sendmsg+0x714/0x830 [ 153.742084][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.746800][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.751578][ C0] do_syscall_64+0x9f/0x140 [ 153.756103][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.761993][ C0] ===================================================== [ 153.815056][ C1] ===================================================== [ 153.822219][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 153.829137][ C1] CPU: 1 PID: 8434 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.839346][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.849418][ C1] Call Trace: [ 153.852750][ C1] [ 153.855600][ C1] dump_stack+0x24c/0x2e0 [ 153.860005][ C1] kmsan_report+0xfb/0x1e0 [ 153.864413][ C1] __msan_warning+0x5c/0xa0 [ 153.868955][ C1] ip_rcv_core+0xf4c/0x1480 [ 153.873451][ C1] ip_rcv+0xc7/0x820 [ 153.877337][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.882547][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.887671][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.893300][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.898934][ C1] process_backlog+0x517/0xbd0 [ 153.903703][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.908987][ C1] __napi_poll+0x13e/0xca0 [ 153.913396][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.919829][ C1] net_rx_action+0x726/0x14a0 [ 153.924498][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.930299][ C1] ? net_tx_action+0xd30/0xd30 [ 153.935053][ C1] __do_softirq+0x1b9/0x715 [ 153.939554][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.943791][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.948553][ C1] do_softirq+0x123/0x1c0 [ 153.952888][ C1] [ 153.955817][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.960844][ C1] local_bh_enable+0x36/0x40 [ 153.965430][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.970471][ C1] dev_queue_xmit+0x4b/0x60 [ 153.974969][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.980256][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.985184][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.990387][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.996014][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 154.001055][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.006901][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.013012][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.018066][ C1] ? packet_getsockopt+0x1120/0x1120 [ 154.023561][ C1] __sys_sendmsg+0x714/0x830 [ 154.028323][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.033972][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 154.040359][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.046543][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.051749][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.056429][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.061196][ C1] do_syscall_64+0x9f/0x140 [ 154.065709][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.071623][ C1] RIP: 0033:0x443e49 [ 154.075531][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 154.095137][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.103562][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 154.111641][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 154.119794][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.128339][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000252cf [ 154.136311][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 154.144643][ C1] [ 154.146973][ C1] Uninit was stored to memory at: [ 154.151988][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.158040][ C1] __msan_chain_origin+0x54/0xa0 [ 154.162979][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.167564][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.172665][ C1] geneve_xmit+0x2139/0x3c40 [ 154.177263][ C1] xmit_one+0x2b6/0x760 [ 154.181410][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.186530][ C1] dev_queue_xmit+0x4b/0x60 [ 154.191038][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.195885][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.200742][ C1] __sys_sendmsg+0x714/0x830 [ 154.205345][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.210050][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.214815][ C1] do_syscall_64+0x9f/0x140 [ 154.219644][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.225546][ C1] [ 154.227857][ C1] Uninit was created at: [ 154.232079][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.237834][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.242523][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.248676][ C1] __alloc_skb+0x4dd/0xe90 [ 154.253124][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.258339][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.263552][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.268398][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.273269][ C1] __sys_sendmsg+0x714/0x830 [ 154.277864][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.282550][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.287318][ C1] do_syscall_64+0x9f/0x140 [ 154.291878][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.297880][ C1] ===================================================== [ 154.305398][ C1] ===================================================== [ 154.312465][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 154.319345][ C1] CPU: 1 PID: 8434 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.329602][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.339773][ C1] Call Trace: [ 154.343067][ C1] [ 154.345923][ C1] dump_stack+0x24c/0x2e0 [ 154.350286][ C1] kmsan_report+0xfb/0x1e0 [ 154.354820][ C1] __msan_warning+0x5c/0xa0 [ 154.359348][ C1] ip_rcv_core+0xf5d/0x1480 [ 154.363881][ C1] ip_rcv+0xc7/0x820 [ 154.367802][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.373032][ C1] __netif_receive_skb+0x1ec/0x640 [ 154.378171][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.383840][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 154.389533][ C1] process_backlog+0x517/0xbd0 [ 154.394293][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.399572][ C1] __napi_poll+0x13e/0xca0 [ 154.403986][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.410067][ C1] net_rx_action+0x726/0x14a0 [ 154.414741][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.420637][ C1] ? net_tx_action+0xd30/0xd30 [ 154.425487][ C1] __do_softirq+0x1b9/0x715 [ 154.429992][ C1] ? idle_cpu+0x9a/0x1d0 [ 154.434321][ C1] ? __irq_exit_rcu+0x83/0x280 [ 154.439140][ C1] do_softirq+0x123/0x1c0 [ 154.443511][ C1] [ 154.446545][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 154.451581][ C1] local_bh_enable+0x36/0x40 [ 154.456267][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 154.461348][ C1] dev_queue_xmit+0x4b/0x60 [ 154.465845][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.471556][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.477019][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.482340][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.488246][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 154.493273][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.499084][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.505154][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.510002][ C1] ? packet_getsockopt+0x1120/0x1120 [ 154.515290][ C1] __sys_sendmsg+0x714/0x830 [ 154.520359][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.525992][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 154.532057][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.538253][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.543494][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.548164][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.553352][ C1] do_syscall_64+0x9f/0x140 [ 154.557853][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.563800][ C1] RIP: 0033:0x443e49 [ 154.567683][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 154.587460][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.595878][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 154.603858][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 154.611845][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.619890][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000252cf [ 154.627890][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 154.636147][ C1] [ 154.638483][ C1] Uninit was stored to memory at: [ 154.643505][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.649231][ C1] __msan_chain_origin+0x54/0xa0 [ 154.654215][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.658878][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.664042][ C1] geneve_xmit+0x2139/0x3c40 [ 154.668638][ C1] xmit_one+0x2b6/0x760 [ 154.672899][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.678360][ C1] dev_queue_xmit+0x4b/0x60 [ 154.682982][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.687828][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.692671][ C1] __sys_sendmsg+0x714/0x830 [ 154.697458][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.702174][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.706981][ C1] do_syscall_64+0x9f/0x140 [ 154.711573][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.717473][ C1] [ 154.719785][ C1] Uninit was created at: [ 154.724009][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.729866][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.734561][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.740706][ C1] __alloc_skb+0x4dd/0xe90 [ 154.745347][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.750554][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.755781][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.760667][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.765612][ C1] __sys_sendmsg+0x714/0x830 [ 154.770640][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.775339][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.780104][ C1] do_syscall_64+0x9f/0x140 [ 154.784610][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.790506][ C1] ===================================================== [ 154.797648][ C1] ===================================================== [ 154.804596][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 154.811567][ C1] CPU: 1 PID: 8434 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.821761][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.831836][ C1] Call Trace: [ 154.835133][ C1] [ 154.837988][ C1] dump_stack+0x24c/0x2e0 [ 154.842350][ C1] kmsan_report+0xfb/0x1e0 [ 154.846793][ C1] __msan_warning+0x5c/0xa0 [ 154.851324][ C1] ip_rcv_core+0x1068/0x1480 [ 154.855950][ C1] ip_rcv+0xc7/0x820 [ 154.859869][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.865108][ C1] __netif_receive_skb+0x1ec/0x640 [ 154.870245][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.875920][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 154.881568][ C1] process_backlog+0x517/0xbd0 [ 154.886480][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.891775][ C1] __napi_poll+0x13e/0xca0 [ 154.896294][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.902473][ C1] net_rx_action+0x726/0x14a0 [ 154.907207][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.913036][ C1] ? net_tx_action+0xd30/0xd30 [ 154.918030][ C1] __do_softirq+0x1b9/0x715 [ 154.922543][ C1] ? idle_cpu+0x9a/0x1d0 [ 154.926791][ C1] ? __irq_exit_rcu+0x83/0x280 [ 154.931595][ C1] do_softirq+0x123/0x1c0 [ 154.935959][ C1] [ 154.939017][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 154.944053][ C1] local_bh_enable+0x36/0x40 [ 154.948669][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 154.953706][ C1] dev_queue_xmit+0x4b/0x60 [ 154.958218][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.963508][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.968372][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.973702][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.979436][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 154.984829][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.990673][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.996788][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.001715][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.007074][ C1] __sys_sendmsg+0x714/0x830 [ 155.011675][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.017321][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 155.023993][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.030163][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.036148][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.040949][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.045737][ C1] do_syscall_64+0x9f/0x140 [ 155.050254][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.056155][ C1] RIP: 0033:0x443e49 [ 155.060086][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 155.080278][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.088980][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 155.096974][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 155.104975][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.112971][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000252cf [ 155.121170][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 155.129624][ C1] [ 155.132059][ C1] Uninit was stored to memory at: [ 155.137360][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.143105][ C1] __msan_chain_origin+0x54/0xa0 [ 155.148049][ C1] __ip_local_out+0x479/0x840 [ 155.152754][ C1] ip_local_out+0xa1/0x1e0 [ 155.157227][ C1] iptunnel_xmit+0x931/0xf20 [ 155.161819][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.166938][ C1] geneve_xmit+0x2139/0x3c40 [ 155.171549][ C1] xmit_one+0x2b6/0x760 [ 155.175747][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.180773][ C1] dev_queue_xmit+0x4b/0x60 [ 155.185387][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.190291][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.195141][ C1] __sys_sendmsg+0x714/0x830 [ 155.199724][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.204389][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.209141][ C1] do_syscall_64+0x9f/0x140 [ 155.213810][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.219706][ C1] [ 155.222028][ C1] Uninit was stored to memory at: [ 155.227033][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.232799][ C1] __msan_chain_origin+0x54/0xa0 [ 155.237749][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.242335][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.247457][ C1] geneve_xmit+0x2139/0x3c40 [ 155.252043][ C1] xmit_one+0x2b6/0x760 [ 155.256229][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.261253][ C1] dev_queue_xmit+0x4b/0x60 [ 155.265773][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.270632][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.275894][ C1] __sys_sendmsg+0x714/0x830 [ 155.280737][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.285416][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.290264][ C1] do_syscall_64+0x9f/0x140 [ 155.294767][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.300777][ C1] [ 155.303085][ C1] Uninit was created at: [ 155.307304][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.313024][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.317864][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.323923][ C1] __alloc_skb+0x4dd/0xe90 [ 155.328327][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.333518][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.338734][ C1] packet_sendmsg+0x6a12/0x99d0 [ 155.343588][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.348533][ C1] __sys_sendmsg+0x714/0x830 [ 155.353331][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.358011][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.362764][ C1] do_syscall_64+0x9f/0x140 executing program [ 155.367257][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.373410][ C1] ===================================================== [ 155.445154][ C0] ===================================================== [ 155.452380][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 155.459242][ C0] CPU: 0 PID: 8435 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.469386][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.479600][ C0] Call Trace: [ 155.482926][ C0] [ 155.485864][ C0] dump_stack+0x24c/0x2e0 [ 155.490243][ C0] kmsan_report+0xfb/0x1e0 [ 155.494809][ C0] __msan_warning+0x5c/0xa0 [ 155.499455][ C0] ip_rcv_core+0xf4c/0x1480 [ 155.503978][ C0] ip_rcv+0xc7/0x820 [ 155.507950][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.513503][ C0] __netif_receive_skb+0x1ec/0x640 [ 155.518727][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.524375][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 155.530016][ C0] process_backlog+0x517/0xbd0 [ 155.534811][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.540113][ C0] __napi_poll+0x13e/0xca0 [ 155.544636][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.550891][ C0] net_rx_action+0x726/0x14a0 [ 155.555602][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.561414][ C0] ? net_tx_action+0xd30/0xd30 [ 155.566172][ C0] __do_softirq+0x1b9/0x715 [ 155.570723][ C0] ? idle_cpu+0x9a/0x1d0 [ 155.574965][ C0] ? __irq_exit_rcu+0x83/0x280 [ 155.579830][ C0] do_softirq+0x123/0x1c0 [ 155.584157][ C0] [ 155.587103][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 155.592136][ C0] local_bh_enable+0x36/0x40 [ 155.596739][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 155.602003][ C0] dev_queue_xmit+0x4b/0x60 [ 155.606740][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.612035][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.616922][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.622128][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.627999][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 155.633046][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.638852][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.645052][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.649927][ C0] ? packet_getsockopt+0x1120/0x1120 [ 155.655225][ C0] __sys_sendmsg+0x714/0x830 [ 155.659812][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.665447][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 155.671518][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 155.677495][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.682701][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.688133][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.693251][ C0] do_syscall_64+0x9f/0x140 [ 155.698287][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.704409][ C0] RIP: 0033:0x443e49 [ 155.708368][ 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 [ 155.728017][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.736471][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 155.744433][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 155.752682][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.760807][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000258f6 [ 155.768780][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 155.776754][ C0] [ 155.779176][ C0] Uninit was stored to memory at: [ 155.784200][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 155.789923][ C0] __msan_chain_origin+0x54/0xa0 [ 155.794862][ C0] iptunnel_xmit+0xbd6/0xf20 [ 155.799461][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 155.804731][ C0] geneve_xmit+0x2139/0x3c40 [ 155.809353][ C0] xmit_one+0x2b6/0x760 [ 155.813789][ C0] __dev_queue_xmit+0x3432/0x4600 [ 155.818861][ C0] dev_queue_xmit+0x4b/0x60 [ 155.823355][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.828194][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.833040][ C0] __sys_sendmsg+0x714/0x830 [ 155.837757][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.842435][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.847193][ C0] do_syscall_64+0x9f/0x140 [ 155.852218][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.858217][ C0] [ 155.860623][ C0] Uninit was created at: [ 155.864850][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.870630][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 155.875324][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.881224][ C0] __alloc_skb+0x4dd/0xe90 [ 155.885668][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 155.891099][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.896435][ C0] packet_sendmsg+0x6a12/0x99d0 [ 155.901295][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.906190][ C0] __sys_sendmsg+0x714/0x830 [ 155.910776][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.915448][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.920200][ C0] do_syscall_64+0x9f/0x140 [ 155.924693][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.930583][ C0] ===================================================== [ 155.937878][ C0] ===================================================== [ 155.944831][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 155.951726][ C0] CPU: 0 PID: 8435 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.961953][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.972101][ C0] Call Trace: [ 155.975495][ C0] [ 155.978335][ C0] dump_stack+0x24c/0x2e0 [ 155.982686][ C0] kmsan_report+0xfb/0x1e0 [ 155.987125][ C0] __msan_warning+0x5c/0xa0 [ 155.991636][ C0] ip_rcv_core+0xf5d/0x1480 [ 155.996138][ C0] ip_rcv+0xc7/0x820 [ 156.000030][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.005222][ C0] __netif_receive_skb+0x1ec/0x640 [ 156.010342][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.016019][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 156.021662][ C0] process_backlog+0x517/0xbd0 [ 156.026895][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.032238][ C0] __napi_poll+0x13e/0xca0 [ 156.036731][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.042808][ C0] net_rx_action+0x726/0x14a0 [ 156.047488][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.053290][ C0] ? net_tx_action+0xd30/0xd30 [ 156.058074][ C0] __do_softirq+0x1b9/0x715 [ 156.062576][ C0] ? idle_cpu+0x9a/0x1d0 [ 156.066828][ C0] ? __irq_exit_rcu+0x83/0x280 [ 156.071585][ C0] do_softirq+0x123/0x1c0 [ 156.075929][ C0] [ 156.078849][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 156.083863][ C0] local_bh_enable+0x36/0x40 [ 156.088444][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 156.093484][ C0] dev_queue_xmit+0x4b/0x60 [ 156.098023][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.103347][ C0] packet_sendmsg+0x86ee/0x99d0 [ 156.108211][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.113409][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.119093][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 156.124241][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.130049][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.136130][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.141009][ C0] ? packet_getsockopt+0x1120/0x1120 [ 156.146290][ C0] __sys_sendmsg+0x714/0x830 [ 156.150878][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.156522][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 156.162582][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 156.168621][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.173831][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.178516][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.183283][ C0] do_syscall_64+0x9f/0x140 [ 156.187820][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.193748][ C0] RIP: 0033:0x443e49 [ 156.197631][ 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 [ 156.217228][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.225646][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 156.233772][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 156.241804][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.249795][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000258f6 [ 156.257777][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 156.265767][ C0] [ 156.268085][ C0] Uninit was stored to memory at: [ 156.273086][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 156.279004][ C0] __msan_chain_origin+0x54/0xa0 [ 156.283942][ C0] iptunnel_xmit+0xbd6/0xf20 [ 156.288529][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 156.293642][ C0] geneve_xmit+0x2139/0x3c40 [ 156.298261][ C0] xmit_one+0x2b6/0x760 [ 156.302444][ C0] __dev_queue_xmit+0x3432/0x4600 [ 156.307474][ C0] dev_queue_xmit+0x4b/0x60 [ 156.311997][ C0] packet_sendmsg+0x86ee/0x99d0 [ 156.316870][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.321972][ C0] __sys_sendmsg+0x714/0x830 [ 156.326554][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.331239][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.335998][ C0] do_syscall_64+0x9f/0x140 [ 156.340519][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.346514][ C0] [ 156.348822][ C0] Uninit was created at: [ 156.353057][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.358786][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 156.363467][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 156.369365][ C0] __alloc_skb+0x4dd/0xe90 [ 156.373772][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 156.378974][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.385211][ C0] packet_sendmsg+0x6a12/0x99d0 [ 156.390051][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.394915][ C0] __sys_sendmsg+0x714/0x830 [ 156.399513][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.404194][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.408954][ C0] do_syscall_64+0x9f/0x140 [ 156.413454][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.419351][ C0] ===================================================== [ 156.426466][ C0] ===================================================== [ 156.433414][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 156.440513][ C0] CPU: 0 PID: 8435 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.450701][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.460775][ C0] Call Trace: [ 156.464068][ C0] [ 156.466901][ C0] dump_stack+0x24c/0x2e0 [ 156.471237][ C0] kmsan_report+0xfb/0x1e0 [ 156.475684][ C0] __msan_warning+0x5c/0xa0 [ 156.480178][ C0] ip_rcv_core+0x1068/0x1480 [ 156.484761][ C0] ip_rcv+0xc7/0x820 [ 156.488660][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.493853][ C0] __netif_receive_skb+0x1ec/0x640 [ 156.498975][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.504620][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 156.510285][ C0] process_backlog+0x517/0xbd0 [ 156.515071][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.520347][ C0] __napi_poll+0x13e/0xca0 [ 156.524785][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.530848][ C0] net_rx_action+0x726/0x14a0 [ 156.535528][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.541361][ C0] ? net_tx_action+0xd30/0xd30 [ 156.546117][ C0] __do_softirq+0x1b9/0x715 [ 156.550617][ C0] ? idle_cpu+0x9a/0x1d0 [ 156.554940][ C0] ? __irq_exit_rcu+0x83/0x280 [ 156.559722][ C0] do_softirq+0x123/0x1c0 [ 156.564043][ C0] [ 156.566963][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 156.571987][ C0] local_bh_enable+0x36/0x40 [ 156.576604][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 156.581635][ C0] dev_queue_xmit+0x4b/0x60 [ 156.586146][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.591454][ C0] packet_sendmsg+0x86ee/0x99d0 [ 156.596302][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.601562][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.607222][ C0] ? calculate_sizes+0xb88/0x1ad0 [ 156.612697][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.618593][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.625099][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.629956][ C0] ? packet_getsockopt+0x1120/0x1120 [ 156.635313][ C0] __sys_sendmsg+0x714/0x830 [ 156.639908][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.645694][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 156.651774][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 156.657751][ C0] ? kmsan_get_metadata+0x116/0x180 [ 156.662972][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.667646][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.672403][ C0] do_syscall_64+0x9f/0x140 [ 156.676911][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.682801][ C0] RIP: 0033:0x443e49 [ 156.686685][ 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 [ 156.706283][ C0] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.714894][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 156.723000][ C0] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 156.731073][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.739058][ C0] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 00000000000258f6 [ 156.747459][ C0] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 156.755452][ C0] [ 156.757778][ C0] Uninit was stored to memory at: [ 156.762791][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 156.768509][ C0] __msan_chain_origin+0x54/0xa0 [ 156.773465][ C0] __ip_local_out+0x479/0x840 [ 156.778165][ C0] ip_local_out+0xa1/0x1e0 [ 156.782596][ C0] iptunnel_xmit+0x931/0xf20 [ 156.787206][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 156.792314][ C0] geneve_xmit+0x2139/0x3c40 [ 156.796901][ C0] xmit_one+0x2b6/0x760 [ 156.801052][ C0] __dev_queue_xmit+0x3432/0x4600 [ 156.806080][ C0] dev_queue_xmit+0x4b/0x60 [ 156.810592][ C0] packet_sendmsg+0x86ee/0x99d0 [ 156.815489][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.820369][ C0] __sys_sendmsg+0x714/0x830 [ 156.824972][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.829653][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.834491][ C0] do_syscall_64+0x9f/0x140 [ 156.839071][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.844998][ C0] [ 156.847311][ C0] Uninit was stored to memory at: [ 156.852312][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 156.858033][ C0] __msan_chain_origin+0x54/0xa0 [ 156.862959][ C0] iptunnel_xmit+0xbd6/0xf20 [ 156.867553][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 156.872706][ C0] geneve_xmit+0x2139/0x3c40 [ 156.877307][ C0] xmit_one+0x2b6/0x760 [ 156.881467][ C0] __dev_queue_xmit+0x3432/0x4600 [ 156.886506][ C0] dev_queue_xmit+0x4b/0x60 [ 156.891024][ C0] packet_sendmsg+0x86ee/0x99d0 [ 156.895887][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.900734][ C0] __sys_sendmsg+0x714/0x830 [ 156.905328][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.909998][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.914766][ C0] do_syscall_64+0x9f/0x140 [ 156.919287][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.925184][ C0] [ 156.927513][ C0] Uninit was created at: [ 156.931875][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.938141][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 156.942835][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 executing program [ 156.948840][ C0] __alloc_skb+0x4dd/0xe90 [ 156.953271][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 156.958477][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.963675][ C0] packet_sendmsg+0x6a12/0x99d0 [ 156.968534][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 156.973378][ C0] __sys_sendmsg+0x714/0x830 [ 156.977962][ C0] __se_sys_sendmsg+0x97/0xb0 [ 156.982631][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 156.987490][ C0] do_syscall_64+0x9f/0x140 [ 156.992085][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.998086][ C0] ===================================================== [ 157.036730][ C1] ===================================================== [ 157.043704][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 157.050759][ C1] CPU: 1 PID: 8436 Comm: syz-executor470 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.061004][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.071175][ C1] Call Trace: [ 157.074466][ C1] [ 157.077326][ C1] dump_stack+0x24c/0x2e0 [ 157.081683][ C1] kmsan_report+0xfb/0x1e0 [ 157.086122][ C1] __msan_warning+0x5c/0xa0 [ 157.090653][ C1] ip_rcv_core+0xf4c/0x1480 [ 157.095195][ C1] ip_rcv+0xc7/0x820 [ 157.099115][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.104339][ C1] __netif_receive_skb+0x1ec/0x640 [ 157.109569][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.115678][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 157.121438][ C1] process_backlog+0x517/0xbd0 [ 157.126294][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.131718][ C1] __napi_poll+0x13e/0xca0 [ 157.136166][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.142349][ C1] net_rx_action+0x726/0x14a0 [ 157.147056][ C1] ? net_tx_action+0xd30/0xd30 [ 157.151844][ C1] __do_softirq+0x1b9/0x715 [ 157.156373][ C1] ? idle_cpu+0x9a/0x1d0 [ 157.160649][ C1] ? __irq_exit_rcu+0x83/0x280 [ 157.165452][ C1] do_softirq+0x123/0x1c0 [ 157.169837][ C1] [ 157.172786][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 157.177843][ C1] local_bh_enable+0x36/0x40 [ 157.182465][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 157.187562][ C1] dev_queue_xmit+0x4b/0x60 [ 157.192095][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.197402][ C1] packet_sendmsg+0x86ee/0x99d0 [ 157.202288][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.207511][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.213183][ C1] ? calculate_sizes+0xb88/0x1ad0 [ 157.218240][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.224077][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.230187][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 157.235077][ C1] ? packet_getsockopt+0x1120/0x1120 [ 157.240407][ C1] __sys_sendmsg+0x714/0x830 [ 157.245038][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.250705][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 157.257133][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 157.263124][ C1] ? kmsan_get_metadata+0x116/0x180 [ 157.268325][ C1] __se_sys_sendmsg+0x97/0xb0 [ 157.273006][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.277795][ C1] do_syscall_64+0x9f/0x140 [ 157.282521][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.288457][ C1] RIP: 0033:0x443e49 [ 157.292340][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 157.311940][ C1] RSP: 002b:00007ffc349ab8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.320360][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443e49 [ 157.328359][ C1] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 [ 157.336328][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.344397][ C1] R10: 00007ffc349ab370 R11: 0000000000000246 R12: 0000000000025f68 [ 157.352463][ C1] R13: 00007ffc349ab920 R14: 00007ffc349ab910 R15: 00007ffc349ab904 [ 157.360433][ C1] [ 157.362845][ C1] Uninit was stored to memory at: [ 157.367862][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 157.373615][ C1] __msan_chain_origin+0x54/0xa0 [ 157.378578][ C1] iptunnel_xmit+0xbd6/0xf20 [ 157.383175][ C1] udp_tunnel_xmit_skb+0x526/0x640