[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. syzkaller login: [ 143.809613][ T8203] IPVS: ftp: loaded support on port[0] = 21 [ 143.995055][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 144.087448][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.094872][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.104500][ T8203] device bridge_slave_0 entered promiscuous mode [ 144.115207][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 144.122964][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 144.131386][ T8203] device bridge_slave_1 entered promiscuous mode [ 144.169332][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 144.183946][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 144.217949][ T8203] team0: Port device team_slave_0 added [ 144.227933][ T8203] team0: Port device team_slave_1 added [ 144.259062][ T8203] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 144.266403][ T8203] 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. [ 144.294333][ T8203] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 144.307866][ T8203] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 144.315148][ T8203] 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. [ 144.341596][ T8203] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 144.385284][ T8203] device hsr_slave_0 entered promiscuous mode [ 144.393807][ T8203] device hsr_slave_1 entered promiscuous mode [ 144.577751][ T8203] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 144.589695][ T8203] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 144.606651][ T8203] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 144.623861][ T8203] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 144.723505][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 144.730885][ T8203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 144.738865][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.746359][ T8203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 144.827432][ T8203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 144.848822][ T1980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.859379][ T1980] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.870475][ T1980] bridge0: port 2(bridge_slave_1) entered disabled state [ 144.881937][ T1980] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 144.901505][ T8203] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.918966][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 144.929172][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 144.936739][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 144.953698][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 144.964164][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 144.973684][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 144.981022][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 145.046408][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 145.057778][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 145.099366][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 145.110331][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 145.120867][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 145.131302][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 145.143693][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 145.169191][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 145.179099][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 145.205311][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 145.215255][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 145.236410][ T8203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 145.277664][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 145.286524][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 145.308373][ T8203] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 145.343906][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 145.354877][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 145.389337][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 145.398445][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 145.409352][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 145.418789][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 145.435947][ T8203] device veth0_vlan entered promiscuous mode [ 145.457312][ T8203] device veth1_vlan entered promiscuous mode [ 145.498110][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 145.507454][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 145.516909][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 145.526980][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 145.541862][ T8203] device veth0_macvtap entered promiscuous mode [ 145.556962][ T8203] device veth1_macvtap entered promiscuous mode [ 145.590132][ T8203] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 145.597849][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 145.607769][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 145.617407][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 145.627452][ T4653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 145.646671][ T8203] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 145.654235][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 145.664105][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 145.679979][ T8203] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 145.689713][ T8203] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 145.698719][ T8203] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 145.707888][ T8203] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 145.872888][ C0] ===================================================== [ 145.879859][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 145.882384][ C0] CPU: 0 PID: 8414 Comm: syz-executor580 Not tainted 5.12.0-rc6-syzkaller #0 [ 145.882384][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.905711][ C0] Call Trace: [ 145.908503][ C0] [ 145.911805][ C0] dump_stack+0x24c/0x2e0 [ 145.916108][ C0] kmsan_report+0xfb/0x1e0 [ 145.919778][ C0] __msan_warning+0x5c/0xa0 [ 145.924920][ C0] ip_rcv_core+0xf4c/0x1480 [ 145.924920][ C0] ip_rcv+0xc7/0x820 [ 145.924920][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.924920][ C0] __netif_receive_skb+0x1ec/0x640 [ 145.924920][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.924920][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 145.952516][ C0] process_backlog+0x517/0xbd0 [ 145.952516][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 145.952516][ C0] __napi_poll+0x13e/0xca0 [ 145.952516][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.972514][ C0] net_rx_action+0x726/0x14a0 [ 145.972514][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.982570][ C0] ? net_tx_action+0xd30/0xd30 [ 145.982570][ C0] __do_softirq+0x1b9/0x715 [ 145.992965][ C0] ? idle_cpu+0x9a/0x1d0 [ 145.992965][ C0] ? __irq_exit_rcu+0x83/0x280 [ 145.992965][ C0] do_softirq+0x123/0x1c0 [ 145.992965][ C0] [ 145.992965][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 145.992965][ C0] local_bh_enable+0x36/0x40 [ 145.992965][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 145.992965][ C0] dev_queue_xmit+0x4b/0x60 [ 145.992965][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.032515][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.032515][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.032515][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.032515][ C0] ? process_slab+0x13a8/0x1b70 [ 146.032515][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.032515][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.032515][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.072513][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.072513][ C0] __sys_sendmsg+0x714/0x830 [ 146.072513][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.072513][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.072513][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 146.072513][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.072513][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.072513][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.072513][ C0] do_syscall_64+0x9f/0x140 [ 146.072513][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.072513][ C0] RIP: 0033:0x443df9 [ 146.072513][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.072513][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.152511][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.152511][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 146.152511][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.152511][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00007fffd15008b0 [ 146.152511][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 0000000000000003 [ 146.192508][ C0] [ 146.192508][ C0] Uninit was stored to memory at: [ 146.192508][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.192508][ C0] __msan_chain_origin+0x54/0xa0 [ 146.212510][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.212510][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.212510][ C0] geneve_xmit+0x2139/0x3c40 [ 146.212510][ C0] xmit_one+0x2b6/0x760 [ 146.212510][ C0] __dev_queue_xmit+0x3432/0x4600 [ 146.212510][ C0] dev_queue_xmit+0x4b/0x60 [ 146.212510][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.212510][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.252576][ C0] __sys_sendmsg+0x714/0x830 [ 146.252576][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.252576][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.252576][ C0] do_syscall_64+0x9f/0x140 [ 146.272518][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.272518][ C0] [ 146.272518][ C0] Uninit was created at: [ 146.272518][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.272518][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 146.272518][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.272518][ C0] __alloc_skb+0x4dd/0xe90 [ 146.272518][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 146.272518][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.272518][ C0] packet_sendmsg+0x6a12/0x99d0 [ 146.272518][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.272518][ C0] __sys_sendmsg+0x714/0x830 [ 146.272518][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.332520][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.332520][ C0] do_syscall_64+0x9f/0x140 [ 146.332520][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.332520][ C0] ===================================================== [ 146.332520][ C0] Disabling lock debugging due to kernel taint [ 146.365117][ C0] ===================================================== [ 146.372481][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 146.375067][ C0] CPU: 0 PID: 8414 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.375067][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.375067][ C0] Call Trace: [ 146.375067][ C0] [ 146.375067][ C0] dump_stack+0x24c/0x2e0 [ 146.375067][ C0] kmsan_report+0xfb/0x1e0 [ 146.375067][ C0] __msan_warning+0x5c/0xa0 [ 146.375067][ C0] ip_rcv_core+0xf5d/0x1480 [ 146.375067][ C0] ip_rcv+0xc7/0x820 [ 146.375067][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.375067][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.375067][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.375067][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.375067][ C0] process_backlog+0x517/0xbd0 [ 146.375067][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.375067][ C0] __napi_poll+0x13e/0xca0 [ 146.375067][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.375067][ C0] net_rx_action+0x726/0x14a0 [ 146.375067][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.482638][ C0] ? net_tx_action+0xd30/0xd30 [ 146.482638][ C0] __do_softirq+0x1b9/0x715 [ 146.482638][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.482638][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.482638][ C0] do_softirq+0x123/0x1c0 [ 146.482638][ C0] [ 146.482638][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.512519][ C0] local_bh_enable+0x36/0x40 [ 146.512519][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.512519][ C0] dev_queue_xmit+0x4b/0x60 [ 146.512519][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 146.512519][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.512519][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.542624][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.542624][ C0] ? process_slab+0x13a8/0x1b70 [ 146.552695][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.552695][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.552695][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.552695][ C0] ? packet_getsockopt+0x1120/0x1120 [ 146.572597][ C0] __sys_sendmsg+0x714/0x830 [ 146.572597][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.572597][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 146.572597][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 146.572597][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.572597][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.572597][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.612514][ C0] do_syscall_64+0x9f/0x140 [ 146.612514][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.612514][ C0] RIP: 0033:0x443df9 [ 146.612514][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 146.612514][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 146.612514][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 146.612514][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 146.612514][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 146.672505][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00007fffd15008b0 [ 146.672505][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 0000000000000003 [ 146.692511][ C0] [ 146.692511][ C0] Uninit was stored to memory at: [ 146.692511][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 146.692511][ C0] __msan_chain_origin+0x54/0xa0 [ 146.692511][ C0] iptunnel_xmit+0xbd6/0xf20 [ 146.692511][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 146.692511][ C0] geneve_xmit+0x2139/0x3c40 [ 146.692511][ C0] xmit_one+0x2b6/0x760 [ 146.692511][ C0] __dev_queue_xmit+0x3432/0x4600 [ 146.732512][ C0] dev_queue_xmit+0x4b/0x60 [ 146.732512][ C0] packet_sendmsg+0x86ee/0x99d0 [ 146.732512][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.732512][ C0] __sys_sendmsg+0x714/0x830 [ 146.732512][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.732512][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.732512][ C0] do_syscall_64+0x9f/0x140 [ 146.732512][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.732512][ C0] [ 146.732512][ C0] Uninit was created at: [ 146.732512][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.732512][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 146.792767][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 146.792767][ C0] __alloc_skb+0x4dd/0xe90 [ 146.792767][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 146.792767][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 146.792767][ C0] packet_sendmsg+0x6a12/0x99d0 [ 146.792767][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 146.792767][ C0] __sys_sendmsg+0x714/0x830 [ 146.792767][ C0] __se_sys_sendmsg+0x97/0xb0 [ 146.792767][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 146.792767][ C0] do_syscall_64+0x9f/0x140 [ 146.792767][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.792767][ C0] ===================================================== [ 146.855008][ C0] ===================================================== [ 146.861997][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 146.864877][ C0] CPU: 0 PID: 8414 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.864877][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.882648][ C0] Call Trace: [ 146.882648][ C0] [ 146.882648][ C0] dump_stack+0x24c/0x2e0 [ 146.882648][ C0] kmsan_report+0xfb/0x1e0 [ 146.882648][ C0] __msan_warning+0x5c/0xa0 [ 146.882648][ C0] ip_rcv_core+0x1068/0x1480 [ 146.912508][ C0] ip_rcv+0xc7/0x820 [ 146.912508][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.912508][ C0] __netif_receive_skb+0x1ec/0x640 [ 146.912508][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.912508][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 146.912508][ C0] process_backlog+0x517/0xbd0 [ 146.942570][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 146.942570][ C0] __napi_poll+0x13e/0xca0 [ 146.942570][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.942570][ C0] net_rx_action+0x726/0x14a0 [ 146.942570][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.942570][ C0] ? net_tx_action+0xd30/0xd30 [ 146.972555][ C0] __do_softirq+0x1b9/0x715 [ 146.972555][ C0] ? idle_cpu+0x9a/0x1d0 [ 146.982567][ C0] ? __irq_exit_rcu+0x83/0x280 [ 146.982567][ C0] do_softirq+0x123/0x1c0 [ 146.992794][ C0] [ 146.992794][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 146.992794][ C0] local_bh_enable+0x36/0x40 [ 146.992794][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 146.992794][ C0] dev_queue_xmit+0x4b/0x60 [ 147.012565][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.012565][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.012565][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.012565][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.032542][ C0] ? process_slab+0x13a8/0x1b70 [ 147.032542][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.032542][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.052526][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.052526][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.052526][ C0] __sys_sendmsg+0x714/0x830 [ 147.052526][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.072543][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.072543][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.072543][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.072543][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.092525][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.092525][ C0] do_syscall_64+0x9f/0x140 [ 147.092525][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.092525][ C0] RIP: 0033:0x443df9 [ 147.112512][ 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 [ 147.112512][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.112512][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.112512][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 147.152511][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.152511][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00007fffd15008b0 [ 147.172514][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 0000000000000003 [ 147.172514][ C0] [ 147.172514][ C0] Uninit was stored to memory at: [ 147.172514][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.172514][ C0] __msan_chain_origin+0x54/0xa0 [ 147.172514][ C0] __ip_local_out+0x479/0x840 [ 147.172514][ C0] ip_local_out+0xa1/0x1e0 [ 147.172514][ C0] iptunnel_xmit+0x931/0xf20 [ 147.212516][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.212516][ C0] geneve_xmit+0x2139/0x3c40 [ 147.212516][ C0] xmit_one+0x2b6/0x760 [ 147.212516][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.232512][ C0] dev_queue_xmit+0x4b/0x60 [ 147.232512][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.232512][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.232512][ C0] __sys_sendmsg+0x714/0x830 [ 147.232512][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.232512][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.232512][ C0] do_syscall_64+0x9f/0x140 [ 147.232512][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.272517][ C0] [ 147.272517][ C0] Uninit was stored to memory at: [ 147.272517][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.272517][ C0] __msan_chain_origin+0x54/0xa0 [ 147.272517][ C0] iptunnel_xmit+0xbd6/0xf20 [ 147.292525][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.292525][ C0] geneve_xmit+0x2139/0x3c40 [ 147.292525][ C0] xmit_one+0x2b6/0x760 [ 147.292525][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.312547][ C0] dev_queue_xmit+0x4b/0x60 [ 147.312547][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.312547][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.312547][ C0] __sys_sendmsg+0x714/0x830 [ 147.332511][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.332511][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.332511][ C0] do_syscall_64+0x9f/0x140 [ 147.332511][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.352511][ C0] [ 147.352511][ C0] Uninit was created at: [ 147.352511][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.352511][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.352511][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.372543][ C0] __alloc_skb+0x4dd/0xe90 [ 147.372543][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.372543][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.372543][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.392554][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.392554][ C0] __sys_sendmsg+0x714/0x830 [ 147.392554][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.392554][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.412552][ C0] do_syscall_64+0x9f/0x140 [ 147.412552][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.412552][ C0] ===================================================== executing program [ 147.513784][ C0] ===================================================== [ 147.520748][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 147.522376][ C0] CPU: 0 PID: 8417 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.522376][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.522376][ C0] Call Trace: [ 147.522376][ C0] [ 147.522376][ C0] dump_stack+0x24c/0x2e0 [ 147.522376][ C0] kmsan_report+0xfb/0x1e0 [ 147.522376][ C0] __msan_warning+0x5c/0xa0 [ 147.522376][ C0] ip_rcv_core+0xf4c/0x1480 [ 147.522376][ C0] ip_rcv+0xc7/0x820 [ 147.522376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.522376][ C0] __netif_receive_skb+0x1ec/0x640 [ 147.522376][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.522376][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 147.522376][ C0] process_backlog+0x517/0xbd0 [ 147.522376][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 147.522376][ C0] __napi_poll+0x13e/0xca0 [ 147.522376][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.522376][ C0] net_rx_action+0x726/0x14a0 [ 147.522376][ C0] ? net_tx_action+0xd30/0xd30 [ 147.522376][ C0] __do_softirq+0x1b9/0x715 [ 147.522376][ C0] ? idle_cpu+0x9a/0x1d0 [ 147.522376][ C0] ? __irq_exit_rcu+0x83/0x280 [ 147.522376][ C0] do_softirq+0x123/0x1c0 [ 147.522376][ C0] [ 147.522376][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 147.522376][ C0] local_bh_enable+0x36/0x40 [ 147.522376][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 147.522376][ C0] dev_queue_xmit+0x4b/0x60 [ 147.522376][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 147.522376][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.522376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.522376][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.522376][ C0] ? process_slab+0x13a8/0x1b70 [ 147.522376][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.522376][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.522376][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.522376][ C0] ? packet_getsockopt+0x1120/0x1120 [ 147.522376][ C0] __sys_sendmsg+0x714/0x830 [ 147.522376][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.522376][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 147.522376][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 147.522376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.522376][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.522376][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.522376][ C0] do_syscall_64+0x9f/0x140 [ 147.522376][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.522376][ C0] RIP: 0033:0x443df9 [ 147.522376][ 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 [ 147.522376][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 147.522376][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 147.522376][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 147.522376][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 147.522376][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000239e4 [ 147.522376][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 147.522376][ C0] [ 147.522376][ C0] Uninit was stored to memory at: [ 147.522376][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 147.522376][ C0] __msan_chain_origin+0x54/0xa0 [ 147.522376][ C0] iptunnel_xmit+0xbd6/0xf20 [ 147.522376][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 147.522376][ C0] geneve_xmit+0x2139/0x3c40 [ 147.522376][ C0] xmit_one+0x2b6/0x760 [ 147.522376][ C0] __dev_queue_xmit+0x3432/0x4600 [ 147.522376][ C0] dev_queue_xmit+0x4b/0x60 [ 147.522376][ C0] packet_sendmsg+0x86ee/0x99d0 [ 147.522376][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.522376][ C0] __sys_sendmsg+0x714/0x830 [ 147.522376][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.522376][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.522376][ C0] do_syscall_64+0x9f/0x140 [ 147.522376][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.522376][ C0] [ 147.522376][ C0] Uninit was created at: [ 147.522376][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.522376][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 147.522376][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 147.522376][ C0] __alloc_skb+0x4dd/0xe90 [ 147.522376][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 147.522376][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 147.522376][ C0] packet_sendmsg+0x6a12/0x99d0 [ 147.522376][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 147.522376][ C0] __sys_sendmsg+0x714/0x830 [ 147.522376][ C0] __se_sys_sendmsg+0x97/0xb0 [ 147.522376][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 147.522376][ C0] do_syscall_64+0x9f/0x140 [ 147.522376][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.522376][ C0] ===================================================== [ 147.997936][ C0] ===================================================== [ 148.004877][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 148.007887][ C0] CPU: 0 PID: 8417 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.007887][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.007887][ C0] Call Trace: [ 148.007887][ C0] [ 148.007887][ C0] dump_stack+0x24c/0x2e0 [ 148.007887][ C0] kmsan_report+0xfb/0x1e0 [ 148.007887][ C0] __msan_warning+0x5c/0xa0 [ 148.007887][ C0] ip_rcv_core+0xf5d/0x1480 [ 148.007887][ C0] ip_rcv+0xc7/0x820 [ 148.007887][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.007887][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.007887][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.007887][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.007887][ C0] process_backlog+0x517/0xbd0 [ 148.007887][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.007887][ C0] __napi_poll+0x13e/0xca0 [ 148.007887][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.007887][ C0] net_rx_action+0x726/0x14a0 [ 148.007887][ C0] ? net_tx_action+0xd30/0xd30 [ 148.007887][ C0] __do_softirq+0x1b9/0x715 [ 148.114974][ C0] ? idle_cpu+0x9a/0x1d0 [ 148.114974][ C0] ? __irq_exit_rcu+0x83/0x280 [ 148.114974][ C0] do_softirq+0x123/0x1c0 [ 148.114974][ C0] [ 148.114974][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.114974][ C0] local_bh_enable+0x36/0x40 [ 148.114974][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.114974][ C0] dev_queue_xmit+0x4b/0x60 [ 148.114974][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.114974][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.114974][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.114974][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.114974][ C0] ? process_slab+0x13a8/0x1b70 [ 148.114974][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.114974][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.114974][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.114974][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.114974][ C0] __sys_sendmsg+0x714/0x830 [ 148.114974][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.114974][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.114974][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.114974][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.114974][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.114974][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.114974][ C0] do_syscall_64+0x9f/0x140 [ 148.114974][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.114974][ C0] RIP: 0033:0x443df9 [ 148.114974][ 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 [ 148.114974][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.114974][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.114974][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 148.114974][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.114974][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000239e4 [ 148.114974][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 148.114974][ C0] [ 148.114974][ C0] Uninit was stored to memory at: [ 148.114974][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.114974][ C0] __msan_chain_origin+0x54/0xa0 [ 148.114974][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.114974][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.114974][ C0] geneve_xmit+0x2139/0x3c40 [ 148.114974][ C0] xmit_one+0x2b6/0x760 [ 148.114974][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.114974][ C0] dev_queue_xmit+0x4b/0x60 [ 148.114974][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.114974][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.114974][ C0] __sys_sendmsg+0x714/0x830 [ 148.114974][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.114974][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.114974][ C0] do_syscall_64+0x9f/0x140 [ 148.114974][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.114974][ C0] [ 148.114974][ C0] Uninit was created at: [ 148.114974][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.114974][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.114974][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.114974][ C0] __alloc_skb+0x4dd/0xe90 [ 148.114974][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.114974][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.114974][ C0] packet_sendmsg+0x6a12/0x99d0 [ 148.114974][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.114974][ C0] __sys_sendmsg+0x714/0x830 [ 148.114974][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.114974][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.114974][ C0] do_syscall_64+0x9f/0x140 [ 148.114974][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.114974][ C0] ===================================================== [ 148.480758][ C0] ===================================================== [ 148.487757][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 148.490600][ C0] CPU: 0 PID: 8417 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.490600][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.490600][ C0] Call Trace: [ 148.490600][ C0] [ 148.490600][ C0] dump_stack+0x24c/0x2e0 [ 148.490600][ C0] kmsan_report+0xfb/0x1e0 [ 148.490600][ C0] __msan_warning+0x5c/0xa0 [ 148.490600][ C0] ip_rcv_core+0x1068/0x1480 [ 148.490600][ C0] ip_rcv+0xc7/0x820 [ 148.490600][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.490600][ C0] __netif_receive_skb+0x1ec/0x640 [ 148.490600][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.490600][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 148.490600][ C0] process_backlog+0x517/0xbd0 [ 148.490600][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 148.490600][ C0] __napi_poll+0x13e/0xca0 [ 148.490600][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.490600][ C0] net_rx_action+0x726/0x14a0 [ 148.490600][ C0] ? net_tx_action+0xd30/0xd30 [ 148.490600][ C0] __do_softirq+0x1b9/0x715 [ 148.490600][ C0] ? idle_cpu+0x9a/0x1d0 [ 148.602484][ C0] ? __irq_exit_rcu+0x83/0x280 [ 148.602484][ C0] do_softirq+0x123/0x1c0 [ 148.602484][ C0] [ 148.602484][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 148.602484][ C0] local_bh_enable+0x36/0x40 [ 148.602484][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 148.602484][ C0] dev_queue_xmit+0x4b/0x60 [ 148.602484][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 148.602484][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.602484][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.602484][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.602484][ C0] ? process_slab+0x13a8/0x1b70 [ 148.602484][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.662480][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.662480][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.662480][ C0] ? packet_getsockopt+0x1120/0x1120 [ 148.662480][ C0] __sys_sendmsg+0x714/0x830 [ 148.662480][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.662480][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 148.662480][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 148.662480][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.662480][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.662480][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.662480][ C0] do_syscall_64+0x9f/0x140 [ 148.662480][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.662480][ C0] RIP: 0033:0x443df9 [ 148.662480][ 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 [ 148.742484][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 148.742484][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 148.742484][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 148.742484][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 148.782499][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000239e4 [ 148.782499][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 148.782499][ C0] [ 148.782499][ C0] Uninit was stored to memory at: [ 148.782499][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.782499][ C0] __msan_chain_origin+0x54/0xa0 [ 148.782499][ C0] __ip_local_out+0x479/0x840 [ 148.782499][ C0] ip_local_out+0xa1/0x1e0 [ 148.782499][ C0] iptunnel_xmit+0x931/0xf20 [ 148.782499][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.782499][ C0] geneve_xmit+0x2139/0x3c40 [ 148.782499][ C0] xmit_one+0x2b6/0x760 [ 148.782499][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.782499][ C0] dev_queue_xmit+0x4b/0x60 [ 148.782499][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.782499][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.782499][ C0] __sys_sendmsg+0x714/0x830 [ 148.782499][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.782499][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.782499][ C0] do_syscall_64+0x9f/0x140 [ 148.782499][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.782499][ C0] [ 148.782499][ C0] Uninit was stored to memory at: [ 148.782499][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 148.782499][ C0] __msan_chain_origin+0x54/0xa0 [ 148.782499][ C0] iptunnel_xmit+0xbd6/0xf20 [ 148.782499][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 148.782499][ C0] geneve_xmit+0x2139/0x3c40 [ 148.782499][ C0] xmit_one+0x2b6/0x760 [ 148.782499][ C0] __dev_queue_xmit+0x3432/0x4600 [ 148.782499][ C0] dev_queue_xmit+0x4b/0x60 [ 148.782499][ C0] packet_sendmsg+0x86ee/0x99d0 [ 148.782499][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.782499][ C0] __sys_sendmsg+0x714/0x830 [ 148.782499][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.782499][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.782499][ C0] do_syscall_64+0x9f/0x140 [ 148.782499][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.782499][ C0] [ 148.782499][ C0] Uninit was created at: [ 148.782499][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.982475][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 148.982475][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 148.982475][ C0] __alloc_skb+0x4dd/0xe90 [ 148.982475][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 148.982475][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 148.982475][ C0] packet_sendmsg+0x6a12/0x99d0 executing program [ 148.982475][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 148.982475][ C0] __sys_sendmsg+0x714/0x830 [ 148.982475][ C0] __se_sys_sendmsg+0x97/0xb0 [ 148.982475][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 148.982475][ C0] do_syscall_64+0x9f/0x140 [ 148.982475][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.982475][ C0] ===================================================== [ 149.097332][ C1] ===================================================== [ 149.102388][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 149.102388][ C1] CPU: 1 PID: 8418 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.102388][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.102388][ C1] Call Trace: [ 149.102388][ C1] [ 149.102388][ C1] dump_stack+0x24c/0x2e0 [ 149.102388][ C1] kmsan_report+0xfb/0x1e0 [ 149.102388][ C1] __msan_warning+0x5c/0xa0 [ 149.102388][ C1] ip_rcv_core+0xf4c/0x1480 [ 149.102388][ C1] ip_rcv+0xc7/0x820 [ 149.102388][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.102388][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.102388][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.102388][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.102388][ C1] process_backlog+0x517/0xbd0 [ 149.102388][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.102388][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.102388][ C1] __napi_poll+0x13e/0xca0 [ 149.102388][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.102388][ C1] net_rx_action+0x726/0x14a0 [ 149.102388][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.102388][ C1] ? net_tx_action+0xd30/0xd30 [ 149.102388][ C1] __do_softirq+0x1b9/0x715 [ 149.102388][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.102388][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.102388][ C1] do_softirq+0x123/0x1c0 [ 149.102388][ C1] [ 149.102388][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.102388][ C1] local_bh_enable+0x36/0x40 [ 149.102388][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.102388][ C1] dev_queue_xmit+0x4b/0x60 [ 149.102388][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.102388][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.102388][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.102388][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.102388][ C1] ? process_slab+0x13a8/0x1b70 [ 149.102388][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.102388][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.102388][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.102388][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.102388][ C1] __sys_sendmsg+0x714/0x830 [ 149.102388][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.102388][ C1] ? up_read+0x40/0x2b0 [ 149.102388][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.102388][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.102388][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.102388][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.102388][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.102388][ C1] do_syscall_64+0x9f/0x140 [ 149.102388][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.102388][ C1] RIP: 0033:0x443df9 [ 149.102388][ 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 [ 149.102388][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.102388][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 149.102388][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 149.102388][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.102388][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024074 [ 149.102388][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 149.102388][ C1] [ 149.102388][ C1] Uninit was stored to memory at: [ 149.102388][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.102388][ C1] __msan_chain_origin+0x54/0xa0 [ 149.102388][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.102388][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.102388][ C1] geneve_xmit+0x2139/0x3c40 [ 149.102388][ C1] xmit_one+0x2b6/0x760 [ 149.102388][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.102388][ C1] dev_queue_xmit+0x4b/0x60 [ 149.102388][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.102388][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.102388][ C1] __sys_sendmsg+0x714/0x830 [ 149.102388][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.102388][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.102388][ C1] do_syscall_64+0x9f/0x140 [ 149.102388][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.102388][ C1] [ 149.102388][ C1] Uninit was created at: [ 149.102388][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.102388][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.102388][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.102388][ C1] __alloc_skb+0x4dd/0xe90 [ 149.102388][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.102388][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.102388][ C1] packet_sendmsg+0x6a12/0x99d0 [ 149.102388][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.102388][ C1] __sys_sendmsg+0x714/0x830 [ 149.102388][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.102388][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.102388][ C1] do_syscall_64+0x9f/0x140 [ 149.102388][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.102388][ C1] ===================================================== [ 149.593945][ C1] ===================================================== [ 149.600932][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 149.603887][ C1] CPU: 1 PID: 8418 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.603887][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.603887][ C1] Call Trace: [ 149.603887][ C1] [ 149.603887][ C1] dump_stack+0x24c/0x2e0 [ 149.603887][ C1] kmsan_report+0xfb/0x1e0 [ 149.603887][ C1] __msan_warning+0x5c/0xa0 [ 149.603887][ C1] ip_rcv_core+0xf5d/0x1480 [ 149.603887][ C1] ip_rcv+0xc7/0x820 [ 149.603887][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.603887][ C1] __netif_receive_skb+0x1ec/0x640 [ 149.603887][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.603887][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 149.603887][ C1] process_backlog+0x517/0xbd0 [ 149.603887][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.603887][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.603887][ C1] __napi_poll+0x13e/0xca0 [ 149.603887][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.702643][ C1] net_rx_action+0x726/0x14a0 [ 149.702643][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.702643][ C1] ? net_tx_action+0xd30/0xd30 [ 149.702643][ C1] __do_softirq+0x1b9/0x715 [ 149.702643][ C1] ? idle_cpu+0x9a/0x1d0 [ 149.702643][ C1] ? __irq_exit_rcu+0x83/0x280 [ 149.702643][ C1] do_softirq+0x123/0x1c0 [ 149.702643][ C1] [ 149.702643][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 149.702643][ C1] local_bh_enable+0x36/0x40 [ 149.702643][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 149.702643][ C1] dev_queue_xmit+0x4b/0x60 [ 149.702643][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.702643][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.702643][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.702643][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.702643][ C1] ? process_slab+0x13a8/0x1b70 [ 149.702643][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.702643][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.702643][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.702643][ C1] ? packet_getsockopt+0x1120/0x1120 [ 149.702643][ C1] __sys_sendmsg+0x714/0x830 [ 149.702643][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 149.702643][ C1] ? up_read+0x40/0x2b0 [ 149.702643][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.702643][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.702643][ C1] ? kmsan_get_metadata+0x116/0x180 [ 149.702643][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.702643][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.702643][ C1] do_syscall_64+0x9f/0x140 [ 149.702643][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.702643][ C1] RIP: 0033:0x443df9 [ 149.702643][ 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 [ 149.702643][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.702643][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 149.702643][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 149.702643][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 149.702643][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024074 [ 149.702643][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 149.702643][ C1] [ 149.702643][ C1] Uninit was stored to memory at: [ 149.702643][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 149.702643][ C1] __msan_chain_origin+0x54/0xa0 [ 149.702643][ C1] iptunnel_xmit+0xbd6/0xf20 [ 149.702643][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 149.702643][ C1] geneve_xmit+0x2139/0x3c40 [ 149.702643][ C1] xmit_one+0x2b6/0x760 [ 149.702643][ C1] __dev_queue_xmit+0x3432/0x4600 [ 149.702643][ C1] dev_queue_xmit+0x4b/0x60 [ 149.702643][ C1] packet_sendmsg+0x86ee/0x99d0 [ 149.702643][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.702643][ C1] __sys_sendmsg+0x714/0x830 [ 149.702643][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.702643][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.702643][ C1] do_syscall_64+0x9f/0x140 [ 149.702643][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.702643][ C1] [ 149.702643][ C1] Uninit was created at: [ 149.702643][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.702643][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 149.702643][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.702643][ C1] __alloc_skb+0x4dd/0xe90 [ 149.702643][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 149.702643][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.702643][ C1] packet_sendmsg+0x6a12/0x99d0 [ 149.702643][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 149.702643][ C1] __sys_sendmsg+0x714/0x830 [ 149.702643][ C1] __se_sys_sendmsg+0x97/0xb0 [ 149.702643][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 149.702643][ C1] do_syscall_64+0x9f/0x140 [ 149.702643][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.702643][ C1] ===================================================== [ 150.091645][ C1] ===================================================== [ 150.098693][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 150.103047][ C1] CPU: 1 PID: 8418 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.103047][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.103047][ C1] Call Trace: [ 150.103047][ C1] [ 150.103047][ C1] dump_stack+0x24c/0x2e0 [ 150.103047][ C1] kmsan_report+0xfb/0x1e0 [ 150.103047][ C1] __msan_warning+0x5c/0xa0 [ 150.103047][ C1] ip_rcv_core+0x1068/0x1480 [ 150.103047][ C1] ip_rcv+0xc7/0x820 [ 150.103047][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.103047][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.103047][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.103047][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.103047][ C1] process_backlog+0x517/0xbd0 [ 150.103047][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.103047][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.103047][ C1] __napi_poll+0x13e/0xca0 [ 150.103047][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.103047][ C1] net_rx_action+0x726/0x14a0 [ 150.103047][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.103047][ C1] ? net_tx_action+0xd30/0xd30 [ 150.216533][ C1] __do_softirq+0x1b9/0x715 [ 150.221475][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.225215][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.230129][ C1] do_softirq+0x123/0x1c0 [ 150.235049][ C1] [ 150.237498][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.243759][ C1] local_bh_enable+0x36/0x40 [ 150.247430][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.253619][ C1] dev_queue_xmit+0x4b/0x60 [ 150.257290][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.263394][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.268330][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.273284][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.278181][ C1] ? process_slab+0x13a8/0x1b70 [ 150.283079][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.289194][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.295295][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.300200][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.306302][ C1] __sys_sendmsg+0x714/0x830 [ 150.310022][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.316188][ C1] ? up_read+0x40/0x2b0 [ 150.321091][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.326059][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.332164][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.337062][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.341940][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.346867][ C1] do_syscall_64+0x9f/0x140 [ 150.350539][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.356621][ C1] RIP: 0033:0x443df9 [ 150.360291][ 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 [ 150.379867][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.388412][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.396938][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 150.405476][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.412773][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024074 [ 150.421312][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 150.428660][ C1] [ 150.431105][ C1] Uninit was stored to memory at: [ 150.435981][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.442116][ C1] __msan_chain_origin+0x54/0xa0 [ 150.446993][ C1] __ip_local_out+0x479/0x840 [ 150.451860][ C1] ip_local_out+0xa1/0x1e0 [ 150.455528][ C1] iptunnel_xmit+0x931/0xf20 [ 150.460408][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.465293][ C1] geneve_xmit+0x2139/0x3c40 [ 150.470179][ C1] xmit_one+0x2b6/0x760 [ 150.473814][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.479907][ C1] dev_queue_xmit+0x4b/0x60 [ 150.484781][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.489662][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.494540][ C1] __sys_sendmsg+0x714/0x830 [ 150.498203][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.503157][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.508021][ C1] do_syscall_64+0x9f/0x140 [ 150.512894][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.518989][ C1] [ 150.520229][ C1] Uninit was stored to memory at: [ 150.526308][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.531190][ C1] __msan_chain_origin+0x54/0xa0 [ 150.536153][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.541023][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.545992][ C1] geneve_xmit+0x2139/0x3c40 [ 150.550848][ C1] xmit_one+0x2b6/0x760 [ 150.554519][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.559456][ C1] dev_queue_xmit+0x4b/0x60 [ 150.564399][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.569308][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.574201][ C1] __sys_sendmsg+0x714/0x830 [ 150.579098][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.583996][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.588904][ C1] do_syscall_64+0x9f/0x140 [ 150.592608][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.598718][ C1] [ 150.601162][ C1] Uninit was created at: [ 150.604834][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.610947][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 150.615834][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.621939][ C1] __alloc_skb+0x4dd/0xe90 [ 150.625655][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.631721][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.636661][ C1] packet_sendmsg+0x6a12/0x99d0 [ 150.641562][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.646493][ C1] __sys_sendmsg+0x714/0x830 executing program [ 150.651375][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.655044][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.659925][ C1] do_syscall_64+0x9f/0x140 [ 150.664833][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.670946][ C1] ===================================================== [ 150.716529][ C1] ===================================================== [ 150.722393][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 150.722393][ C1] CPU: 1 PID: 8419 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.722393][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.722393][ C1] Call Trace: [ 150.722393][ C1] [ 150.722393][ C1] dump_stack+0x24c/0x2e0 [ 150.722393][ C1] kmsan_report+0xfb/0x1e0 [ 150.722393][ C1] __msan_warning+0x5c/0xa0 [ 150.722393][ C1] ip_rcv_core+0xf4c/0x1480 [ 150.722393][ C1] ip_rcv+0xc7/0x820 [ 150.722393][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.722393][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.722393][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.722393][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.722393][ C1] process_backlog+0x517/0xbd0 [ 150.722393][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.722393][ C1] __napi_poll+0x13e/0xca0 [ 150.722393][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.722393][ C1] net_rx_action+0x726/0x14a0 [ 150.722393][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.722393][ C1] ? net_tx_action+0xd30/0xd30 [ 150.722393][ C1] __do_softirq+0x1b9/0x715 [ 150.722393][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.722393][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.722393][ C1] do_softirq+0x123/0x1c0 [ 150.722393][ C1] [ 150.722393][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.722393][ C1] local_bh_enable+0x36/0x40 [ 150.722393][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.722393][ C1] dev_queue_xmit+0x4b/0x60 [ 150.722393][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.722393][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.722393][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.722393][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.722393][ C1] ? process_slab+0x13a8/0x1b70 [ 150.722393][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.722393][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.722393][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.722393][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.722393][ C1] __sys_sendmsg+0x714/0x830 [ 150.722393][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.722393][ C1] ? up_read+0x40/0x2b0 [ 150.722393][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.722393][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.722393][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.722393][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.722393][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.722393][ C1] do_syscall_64+0x9f/0x140 [ 150.722393][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.722393][ C1] RIP: 0033:0x443df9 [ 150.722393][ 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 [ 150.722393][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.722393][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 150.722393][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 150.722393][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 150.722393][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000246a6 [ 150.722393][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 150.722393][ C1] [ 150.722393][ C1] Uninit was stored to memory at: [ 150.722393][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.722393][ C1] __msan_chain_origin+0x54/0xa0 [ 150.722393][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.722393][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.722393][ C1] geneve_xmit+0x2139/0x3c40 [ 150.722393][ C1] xmit_one+0x2b6/0x760 [ 150.722393][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.722393][ C1] dev_queue_xmit+0x4b/0x60 [ 150.722393][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.722393][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.722393][ C1] __sys_sendmsg+0x714/0x830 [ 150.722393][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.722393][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.722393][ C1] do_syscall_64+0x9f/0x140 [ 150.722393][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.722393][ C1] [ 150.722393][ C1] Uninit was created at: [ 150.722393][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.722393][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 150.722393][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.722393][ C1] __alloc_skb+0x4dd/0xe90 [ 150.722393][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 150.722393][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.722393][ C1] packet_sendmsg+0x6a12/0x99d0 [ 150.722393][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.722393][ C1] __sys_sendmsg+0x714/0x830 [ 150.722393][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.722393][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.722393][ C1] do_syscall_64+0x9f/0x140 [ 150.722393][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.722393][ C1] ===================================================== [ 151.207622][ C1] ===================================================== [ 151.214583][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 151.217576][ C1] CPU: 1 PID: 8419 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.223585][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.223585][ C1] Call Trace: [ 151.223585][ C1] [ 151.223585][ C1] dump_stack+0x24c/0x2e0 [ 151.223585][ C1] kmsan_report+0xfb/0x1e0 [ 151.223585][ C1] __msan_warning+0x5c/0xa0 [ 151.223585][ C1] ip_rcv_core+0xf5d/0x1480 [ 151.223585][ C1] ip_rcv+0xc7/0x820 [ 151.223585][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.223585][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.223585][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.223585][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.223585][ C1] process_backlog+0x517/0xbd0 [ 151.223585][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.223585][ C1] __napi_poll+0x13e/0xca0 [ 151.223585][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.223585][ C1] net_rx_action+0x726/0x14a0 [ 151.223585][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.223585][ C1] ? net_tx_action+0xd30/0xd30 [ 151.223585][ C1] __do_softirq+0x1b9/0x715 [ 151.223585][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.223585][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.223585][ C1] do_softirq+0x123/0x1c0 [ 151.223585][ C1] [ 151.223585][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.223585][ C1] local_bh_enable+0x36/0x40 [ 151.223585][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.223585][ C1] dev_queue_xmit+0x4b/0x60 [ 151.223585][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.223585][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.223585][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.223585][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.223585][ C1] ? process_slab+0x13a8/0x1b70 [ 151.223585][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.223585][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.223585][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.223585][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.223585][ C1] __sys_sendmsg+0x714/0x830 [ 151.223585][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.223585][ C1] ? up_read+0x40/0x2b0 [ 151.223585][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.223585][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.223585][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.223585][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.223585][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.223585][ C1] do_syscall_64+0x9f/0x140 [ 151.223585][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.223585][ C1] RIP: 0033:0x443df9 [ 151.223585][ 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 [ 151.223585][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.223585][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 151.223585][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 151.223585][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.223585][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000246a6 [ 151.223585][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 151.223585][ C1] [ 151.223585][ C1] Uninit was stored to memory at: [ 151.223585][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.223585][ C1] __msan_chain_origin+0x54/0xa0 [ 151.223585][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.223585][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.223585][ C1] geneve_xmit+0x2139/0x3c40 [ 151.223585][ C1] xmit_one+0x2b6/0x760 [ 151.223585][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.223585][ C1] dev_queue_xmit+0x4b/0x60 [ 151.223585][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.223585][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.223585][ C1] __sys_sendmsg+0x714/0x830 [ 151.223585][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.223585][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.223585][ C1] do_syscall_64+0x9f/0x140 [ 151.223585][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.223585][ C1] [ 151.223585][ C1] Uninit was created at: [ 151.223585][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.223585][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.223585][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.223585][ C1] __alloc_skb+0x4dd/0xe90 [ 151.223585][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.223585][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.223585][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.223585][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.223585][ C1] __sys_sendmsg+0x714/0x830 [ 151.223585][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.223585][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.223585][ C1] do_syscall_64+0x9f/0x140 [ 151.223585][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.223585][ C1] ===================================================== [ 151.698851][ C1] ===================================================== [ 151.705853][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 151.708801][ C1] CPU: 1 PID: 8419 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.708801][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.708801][ C1] Call Trace: [ 151.708801][ C1] [ 151.708801][ C1] dump_stack+0x24c/0x2e0 [ 151.708801][ C1] kmsan_report+0xfb/0x1e0 [ 151.708801][ C1] __msan_warning+0x5c/0xa0 [ 151.708801][ C1] ip_rcv_core+0x1068/0x1480 [ 151.708801][ C1] ip_rcv+0xc7/0x820 [ 151.708801][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.708801][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.708801][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.708801][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.708801][ C1] process_backlog+0x517/0xbd0 [ 151.708801][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.708801][ C1] __napi_poll+0x13e/0xca0 [ 151.708801][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.708801][ C1] net_rx_action+0x726/0x14a0 [ 151.708801][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.708801][ C1] ? net_tx_action+0xd30/0xd30 [ 151.708801][ C1] __do_softirq+0x1b9/0x715 [ 151.708801][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.708801][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.708801][ C1] do_softirq+0x123/0x1c0 [ 151.708801][ C1] [ 151.708801][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.708801][ C1] local_bh_enable+0x36/0x40 [ 151.708801][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.708801][ C1] dev_queue_xmit+0x4b/0x60 [ 151.708801][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.708801][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.708801][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.708801][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.708801][ C1] ? process_slab+0x13a8/0x1b70 [ 151.708801][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.708801][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.708801][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.708801][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.708801][ C1] __sys_sendmsg+0x714/0x830 [ 151.708801][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.708801][ C1] ? up_read+0x40/0x2b0 [ 151.708801][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.708801][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.708801][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.708801][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.708801][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.708801][ C1] do_syscall_64+0x9f/0x140 [ 151.708801][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.708801][ C1] RIP: 0033:0x443df9 [ 151.708801][ 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 [ 151.708801][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.708801][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 151.708801][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 151.708801][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 151.708801][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 00000000000246a6 [ 151.708801][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 151.708801][ C1] [ 151.708801][ C1] Uninit was stored to memory at: [ 151.708801][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.708801][ C1] __msan_chain_origin+0x54/0xa0 [ 151.708801][ C1] __ip_local_out+0x479/0x840 [ 151.708801][ C1] ip_local_out+0xa1/0x1e0 [ 151.708801][ C1] iptunnel_xmit+0x931/0xf20 [ 151.708801][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.708801][ C1] geneve_xmit+0x2139/0x3c40 [ 151.708801][ C1] xmit_one+0x2b6/0x760 [ 151.708801][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.708801][ C1] dev_queue_xmit+0x4b/0x60 [ 151.708801][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.708801][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.708801][ C1] __sys_sendmsg+0x714/0x830 [ 151.708801][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.708801][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.708801][ C1] do_syscall_64+0x9f/0x140 [ 151.708801][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.708801][ C1] [ 151.708801][ C1] Uninit was stored to memory at: [ 151.708801][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.708801][ C1] __msan_chain_origin+0x54/0xa0 [ 151.708801][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.708801][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.708801][ C1] geneve_xmit+0x2139/0x3c40 [ 151.708801][ C1] xmit_one+0x2b6/0x760 [ 151.708801][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.708801][ C1] dev_queue_xmit+0x4b/0x60 [ 151.708801][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.708801][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.708801][ C1] __sys_sendmsg+0x714/0x830 [ 151.708801][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.708801][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.708801][ C1] do_syscall_64+0x9f/0x140 [ 151.708801][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.708801][ C1] [ 151.708801][ C1] Uninit was created at: [ 151.708801][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.708801][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.708801][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.708801][ C1] __alloc_skb+0x4dd/0xe90 [ 151.708801][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.708801][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.708801][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.708801][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.708801][ C1] __sys_sendmsg+0x714/0x830 [ 151.708801][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.708801][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.708801][ C1] do_syscall_64+0x9f/0x140 [ 151.708801][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 151.708801][ C1] ===================================================== [ 152.310563][ C1] ===================================================== [ 152.312647][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 152.312647][ C1] CPU: 1 PID: 8420 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.312647][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.312647][ C1] Call Trace: [ 152.312647][ C1] [ 152.312647][ C1] dump_stack+0x24c/0x2e0 [ 152.312647][ C1] kmsan_report+0xfb/0x1e0 [ 152.312647][ C1] __msan_warning+0x5c/0xa0 [ 152.312647][ C1] ip_rcv_core+0xf4c/0x1480 [ 152.312647][ C1] ip_rcv+0xc7/0x820 [ 152.312647][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.312647][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.312647][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.312647][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.394554][ C1] process_backlog+0x517/0xbd0 [ 152.394554][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.394554][ C1] __napi_poll+0x13e/0xca0 [ 152.394554][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.394554][ C1] net_rx_action+0x726/0x14a0 [ 152.394554][ C1] ? net_tx_action+0xd30/0xd30 [ 152.394554][ C1] __do_softirq+0x1b9/0x715 [ 152.394554][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.394554][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.394554][ C1] do_softirq+0x123/0x1c0 [ 152.394554][ C1] [ 152.394554][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.394554][ C1] local_bh_enable+0x36/0x40 [ 152.394554][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.394554][ C1] dev_queue_xmit+0x4b/0x60 [ 152.394554][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.394554][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.394554][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.394554][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.394554][ C1] ? process_slab+0x13a8/0x1b70 [ 152.394554][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.394554][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.394554][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.394554][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.394554][ C1] __sys_sendmsg+0x714/0x830 [ 152.394554][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.394554][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 152.394554][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 152.394554][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.394554][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.394554][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.394554][ C1] do_syscall_64+0x9f/0x140 [ 152.394554][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.394554][ C1] RIP: 0033:0x443df9 [ 152.394554][ 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 [ 152.394554][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.394554][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 152.394554][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 152.394554][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 152.394554][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024cfa [ 152.394554][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 152.394554][ C1] [ 152.394554][ C1] Uninit was stored to memory at: [ 152.394554][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.394554][ C1] __msan_chain_origin+0x54/0xa0 [ 152.394554][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.394554][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.394554][ C1] geneve_xmit+0x2139/0x3c40 [ 152.394554][ C1] xmit_one+0x2b6/0x760 [ 152.394554][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.394554][ C1] dev_queue_xmit+0x4b/0x60 [ 152.394554][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.394554][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.394554][ C1] __sys_sendmsg+0x714/0x830 [ 152.394554][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.394554][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.394554][ C1] do_syscall_64+0x9f/0x140 [ 152.394554][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.394554][ C1] [ 152.394554][ C1] Uninit was created at: [ 152.394554][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.394554][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.394554][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.394554][ C1] __alloc_skb+0x4dd/0xe90 [ 152.394554][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.394554][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.394554][ C1] packet_sendmsg+0x6a12/0x99d0 [ 152.394554][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.394554][ C1] __sys_sendmsg+0x714/0x830 [ 152.394554][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.394554][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.394554][ C1] do_syscall_64+0x9f/0x140 [ 152.394554][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.394554][ C1] ===================================================== [ 152.792161][ C1] ===================================================== [ 152.799182][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 152.802114][ C1] CPU: 1 PID: 8420 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.802114][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.802114][ C1] Call Trace: [ 152.802114][ C1] [ 152.802114][ C1] dump_stack+0x24c/0x2e0 [ 152.802114][ C1] kmsan_report+0xfb/0x1e0 [ 152.802114][ C1] __msan_warning+0x5c/0xa0 [ 152.802114][ C1] ip_rcv_core+0xf5d/0x1480 [ 152.802114][ C1] ip_rcv+0xc7/0x820 [ 152.802114][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.802114][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.802114][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.802114][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.802114][ C1] process_backlog+0x517/0xbd0 [ 152.802114][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.802114][ C1] __napi_poll+0x13e/0xca0 [ 152.802114][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.802114][ C1] net_rx_action+0x726/0x14a0 [ 152.802114][ C1] ? net_tx_action+0xd30/0xd30 [ 152.802114][ C1] __do_softirq+0x1b9/0x715 [ 152.909833][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.914735][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.919612][ C1] do_softirq+0x123/0x1c0 [ 152.923274][ C1] [ 152.926941][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.931806][ C1] local_bh_enable+0x36/0x40 [ 152.936705][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.941585][ C1] dev_queue_xmit+0x4b/0x60 [ 152.946470][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.951346][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.956257][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.961142][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.967238][ C1] ? process_slab+0x13a8/0x1b70 [ 152.972136][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.978247][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.984360][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.989251][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.994130][ C1] __sys_sendmsg+0x714/0x830 [ 152.999014][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.003895][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 153.009998][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 153.016169][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.021053][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.025962][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.030831][ C1] do_syscall_64+0x9f/0x140 [ 153.035723][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.041828][ C1] RIP: 0033:0x443df9 [ 153.045567][ 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 [ 153.065241][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.073814][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 153.081146][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 153.089731][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.097035][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024cfa [ 153.105602][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 153.112921][ C1] [ 153.115357][ C1] Uninit was stored to memory at: [ 153.121461][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.126345][ C1] __msan_chain_origin+0x54/0xa0 [ 153.131303][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.136281][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.141180][ C1] geneve_xmit+0x2139/0x3c40 [ 153.146169][ C1] xmit_one+0x2b6/0x760 [ 153.149944][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.154799][ C1] dev_queue_xmit+0x4b/0x60 [ 153.159699][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.164593][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.169481][ C1] __sys_sendmsg+0x714/0x830 [ 153.174359][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.179243][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.182908][ C1] do_syscall_64+0x9f/0x140 [ 153.187783][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.194023][ C1] [ 153.196471][ C1] Uninit was created at: [ 153.200149][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.206283][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.211176][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.217288][ C1] __alloc_skb+0x4dd/0xe90 [ 153.221017][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.225906][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.232016][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.236987][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.241882][ C1] __sys_sendmsg+0x714/0x830 [ 153.245563][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.250510][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.255594][ C1] do_syscall_64+0x9f/0x140 [ 153.260497][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.265367][ C1] ===================================================== [ 153.273711][ C1] ===================================================== [ 153.280648][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 153.285043][ C1] CPU: 1 PID: 8420 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.285043][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.285043][ C1] Call Trace: [ 153.285043][ C1] [ 153.285043][ C1] dump_stack+0x24c/0x2e0 [ 153.285043][ C1] kmsan_report+0xfb/0x1e0 [ 153.285043][ C1] __msan_warning+0x5c/0xa0 [ 153.285043][ C1] ip_rcv_core+0x1068/0x1480 [ 153.285043][ C1] ip_rcv+0xc7/0x820 [ 153.285043][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.285043][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.285043][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.285043][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.285043][ C1] process_backlog+0x517/0xbd0 [ 153.285043][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.285043][ C1] __napi_poll+0x13e/0xca0 [ 153.285043][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.285043][ C1] net_rx_action+0x726/0x14a0 [ 153.285043][ C1] ? net_tx_action+0xd30/0xd30 [ 153.387992][ C1] __do_softirq+0x1b9/0x715 [ 153.392573][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.396235][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.401113][ C1] do_softirq+0x123/0x1c0 [ 153.406007][ C1] [ 153.408454][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.413322][ C1] local_bh_enable+0x36/0x40 [ 153.418214][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.423170][ C1] dev_queue_xmit+0x4b/0x60 [ 153.428110][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.433007][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.437937][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.444076][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.448986][ C1] ? process_slab+0x13a8/0x1b70 [ 153.453873][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.460093][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.466445][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.471326][ C1] ? packet_getsockopt+0x1120/0x1120 [ 153.476253][ C1] __sys_sendmsg+0x714/0x830 [ 153.481163][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.486058][ C1] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 153.492220][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 153.498337][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.503231][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.508111][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.512989][ C1] do_syscall_64+0x9f/0x140 [ 153.517869][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.524031][ C1] RIP: 0033:0x443df9 [ 153.527704][ 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 [ 153.547233][ C1] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.555771][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 153.563101][ C1] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 153.571772][ C1] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.579109][ C1] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000024cfa [ 153.587647][ C1] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 153.595045][ C1] [ 153.597501][ C1] Uninit was stored to memory at: [ 153.602547][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.608686][ C1] __msan_chain_origin+0x54/0xa0 [ 153.613598][ C1] __ip_local_out+0x479/0x840 [ 153.618507][ C1] ip_local_out+0xa1/0x1e0 [ 153.622177][ C1] iptunnel_xmit+0x931/0xf20 [ 153.627135][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.632054][ C1] geneve_xmit+0x2139/0x3c40 [ 153.636944][ C1] xmit_one+0x2b6/0x760 [ 153.640634][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.646763][ C1] dev_queue_xmit+0x4b/0x60 [ 153.650426][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.655320][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.660232][ C1] __sys_sendmsg+0x714/0x830 [ 153.665094][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.669983][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.674932][ C1] do_syscall_64+0x9f/0x140 [ 153.679837][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.685928][ C1] [ 153.687161][ C1] Uninit was stored to memory at: [ 153.693269][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.698199][ C1] __msan_chain_origin+0x54/0xa0 [ 153.703090][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.707988][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.712884][ C1] geneve_xmit+0x2139/0x3c40 [ 153.717777][ C1] xmit_one+0x2b6/0x760 [ 153.721452][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.726360][ C1] dev_queue_xmit+0x4b/0x60 [ 153.731240][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.736190][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.741088][ C1] __sys_sendmsg+0x714/0x830 [ 153.745972][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.750855][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.755757][ C1] do_syscall_64+0x9f/0x140 [ 153.759436][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.765558][ C1] [ 153.767994][ C1] Uninit was created at: [ 153.771655][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.777774][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.782654][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.788771][ C1] __alloc_skb+0x4dd/0xe90 [ 153.792513][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.798635][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.803520][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.808405][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.813299][ C1] __sys_sendmsg+0x714/0x830 [ 153.818193][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.823078][ C1] __x64_sys_sendmsg+0x4a/0x70 executing program [ 153.827969][ C1] do_syscall_64+0x9f/0x140 [ 153.831640][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.837762][ C1] ===================================================== [ 153.880219][ C0] ===================================================== [ 153.882394][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 153.882394][ C0] CPU: 0 PID: 8421 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.882394][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.882394][ C0] Call Trace: [ 153.882394][ C0] [ 153.882394][ C0] dump_stack+0x24c/0x2e0 [ 153.882394][ C0] kmsan_report+0xfb/0x1e0 [ 153.882394][ C0] __msan_warning+0x5c/0xa0 [ 153.882394][ C0] ip_rcv_core+0xf4c/0x1480 [ 153.882394][ C0] ip_rcv+0xc7/0x820 [ 153.882394][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.882394][ C0] __netif_receive_skb+0x1ec/0x640 [ 153.882394][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.882394][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 153.882394][ C0] process_backlog+0x517/0xbd0 [ 153.882394][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.882394][ C0] __napi_poll+0x13e/0xca0 [ 153.882394][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.882394][ C0] net_rx_action+0x726/0x14a0 [ 153.882394][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.882394][ C0] ? net_tx_action+0xd30/0xd30 [ 153.882394][ C0] __do_softirq+0x1b9/0x715 [ 153.882394][ C0] ? idle_cpu+0x9a/0x1d0 [ 153.882394][ C0] ? __irq_exit_rcu+0x83/0x280 [ 153.882394][ C0] do_softirq+0x123/0x1c0 [ 153.882394][ C0] [ 153.882394][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 153.882394][ C0] local_bh_enable+0x36/0x40 [ 153.882394][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 153.882394][ C0] dev_queue_xmit+0x4b/0x60 [ 153.882394][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.882394][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.882394][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.882394][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.882394][ C0] ? process_slab+0x13a8/0x1b70 [ 153.882394][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.882394][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.882394][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.882394][ C0] ? packet_getsockopt+0x1120/0x1120 [ 153.882394][ C0] __sys_sendmsg+0x714/0x830 [ 153.882394][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 153.882394][ C0] ? up_read+0x40/0x2b0 [ 153.882394][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.882394][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.882394][ C0] ? kmsan_get_metadata+0x116/0x180 [ 153.882394][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.882394][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.882394][ C0] do_syscall_64+0x9f/0x140 [ 153.882394][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.882394][ C0] RIP: 0033:0x443df9 [ 153.882394][ 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 [ 153.882394][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.882394][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 153.882394][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 153.882394][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 153.882394][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000025334 [ 153.882394][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 153.882394][ C0] [ 153.882394][ C0] Uninit was stored to memory at: [ 153.882394][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 153.882394][ C0] __msan_chain_origin+0x54/0xa0 [ 153.882394][ C0] iptunnel_xmit+0xbd6/0xf20 [ 153.882394][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 153.882394][ C0] geneve_xmit+0x2139/0x3c40 [ 153.882394][ C0] xmit_one+0x2b6/0x760 [ 153.882394][ C0] __dev_queue_xmit+0x3432/0x4600 [ 153.882394][ C0] dev_queue_xmit+0x4b/0x60 [ 153.882394][ C0] packet_sendmsg+0x86ee/0x99d0 [ 153.882394][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.882394][ C0] __sys_sendmsg+0x714/0x830 [ 153.882394][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.882394][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.882394][ C0] do_syscall_64+0x9f/0x140 [ 153.882394][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.882394][ C0] [ 153.882394][ C0] Uninit was created at: [ 153.882394][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.882394][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 153.882394][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.882394][ C0] __alloc_skb+0x4dd/0xe90 [ 153.882394][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 153.882394][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.882394][ C0] packet_sendmsg+0x6a12/0x99d0 [ 153.882394][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 153.882394][ C0] __sys_sendmsg+0x714/0x830 [ 153.882394][ C0] __se_sys_sendmsg+0x97/0xb0 [ 153.882394][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 153.882394][ C0] do_syscall_64+0x9f/0x140 [ 153.882394][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.882394][ C0] ===================================================== [ 154.373495][ C0] ===================================================== [ 154.380478][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 154.383435][ C0] CPU: 0 PID: 8421 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.383435][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.383435][ C0] Call Trace: [ 154.383435][ C0] [ 154.383435][ C0] dump_stack+0x24c/0x2e0 [ 154.383435][ C0] kmsan_report+0xfb/0x1e0 [ 154.383435][ C0] __msan_warning+0x5c/0xa0 [ 154.383435][ C0] ip_rcv_core+0xf5d/0x1480 [ 154.383435][ C0] ip_rcv+0xc7/0x820 [ 154.383435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.383435][ C0] __netif_receive_skb+0x1ec/0x640 [ 154.383435][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.383435][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 154.383435][ C0] process_backlog+0x517/0xbd0 [ 154.383435][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.383435][ C0] __napi_poll+0x13e/0xca0 [ 154.383435][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.383435][ C0] net_rx_action+0x726/0x14a0 [ 154.383435][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.383435][ C0] ? net_tx_action+0xd30/0xd30 [ 154.383435][ C0] __do_softirq+0x1b9/0x715 [ 154.383435][ C0] ? idle_cpu+0x9a/0x1d0 [ 154.383435][ C0] ? __irq_exit_rcu+0x83/0x280 [ 154.383435][ C0] do_softirq+0x123/0x1c0 [ 154.383435][ C0] [ 154.383435][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 154.383435][ C0] local_bh_enable+0x36/0x40 [ 154.383435][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 154.383435][ C0] dev_queue_xmit+0x4b/0x60 [ 154.383435][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.383435][ C0] packet_sendmsg+0x86ee/0x99d0 [ 154.383435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.383435][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.383435][ C0] ? process_slab+0x13a8/0x1b70 [ 154.383435][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.383435][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.383435][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.383435][ C0] ? packet_getsockopt+0x1120/0x1120 [ 154.383435][ C0] __sys_sendmsg+0x714/0x830 [ 154.383435][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 154.383435][ C0] ? up_read+0x40/0x2b0 [ 154.383435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.383435][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.383435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.383435][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.383435][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.383435][ C0] do_syscall_64+0x9f/0x140 [ 154.383435][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.383435][ C0] RIP: 0033:0x443df9 [ 154.383435][ 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 [ 154.383435][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.383435][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 154.383435][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 154.383435][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 154.383435][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000025334 [ 154.383435][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 154.383435][ C0] [ 154.383435][ C0] Uninit was stored to memory at: [ 154.383435][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 154.383435][ C0] __msan_chain_origin+0x54/0xa0 [ 154.383435][ C0] iptunnel_xmit+0xbd6/0xf20 [ 154.383435][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 154.383435][ C0] geneve_xmit+0x2139/0x3c40 [ 154.383435][ C0] xmit_one+0x2b6/0x760 [ 154.383435][ C0] __dev_queue_xmit+0x3432/0x4600 [ 154.383435][ C0] dev_queue_xmit+0x4b/0x60 [ 154.383435][ C0] packet_sendmsg+0x86ee/0x99d0 [ 154.383435][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.383435][ C0] __sys_sendmsg+0x714/0x830 [ 154.383435][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.383435][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.383435][ C0] do_syscall_64+0x9f/0x140 [ 154.383435][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.383435][ C0] [ 154.383435][ C0] Uninit was created at: [ 154.383435][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.383435][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 154.383435][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.383435][ C0] __alloc_skb+0x4dd/0xe90 [ 154.383435][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 154.383435][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.383435][ C0] packet_sendmsg+0x6a12/0x99d0 [ 154.383435][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 154.383435][ C0] __sys_sendmsg+0x714/0x830 [ 154.383435][ C0] __se_sys_sendmsg+0x97/0xb0 [ 154.383435][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 154.383435][ C0] do_syscall_64+0x9f/0x140 [ 154.383435][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.383435][ C0] ===================================================== [ 154.864679][ C0] ===================================================== [ 154.871658][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 154.874473][ C0] CPU: 0 PID: 8421 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.874473][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.874473][ C0] Call Trace: [ 154.874473][ C0] [ 154.874473][ C0] dump_stack+0x24c/0x2e0 [ 154.874473][ C0] kmsan_report+0xfb/0x1e0 [ 154.874473][ C0] __msan_warning+0x5c/0xa0 [ 154.874473][ C0] ip_rcv_core+0x1068/0x1480 [ 154.874473][ C0] ip_rcv+0xc7/0x820 [ 154.874473][ C0] ? kmsan_get_metadata+0x116/0x180 [ 154.874473][ C0] __netif_receive_skb+0x1ec/0x640 [ 154.874473][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.874473][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 154.874473][ C0] process_backlog+0x517/0xbd0 [ 154.874473][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.874473][ C0] __napi_poll+0x13e/0xca0 [ 154.874473][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.874473][ C0] net_rx_action+0x726/0x14a0 [ 154.874473][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.874473][ C0] ? net_tx_action+0xd30/0xd30 [ 154.874473][ C0] __do_softirq+0x1b9/0x715 [ 154.874473][ C0] ? idle_cpu+0x9a/0x1d0 [ 154.993435][ C0] ? __irq_exit_rcu+0x83/0x280 [ 154.993435][ C0] do_softirq+0x123/0x1c0 [ 155.002525][ C0] [ 155.002525][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 155.002525][ C0] local_bh_enable+0x36/0x40 [ 155.012535][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 155.012535][ C0] dev_queue_xmit+0x4b/0x60 [ 155.022515][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.022515][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.032515][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.032515][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.042516][ C0] ? process_slab+0x13a8/0x1b70 [ 155.052529][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.052529][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.062517][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.062517][ C0] ? packet_getsockopt+0x1120/0x1120 [ 155.072494][ C0] __sys_sendmsg+0x714/0x830 [ 155.072494][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 155.082535][ C0] ? up_read+0x40/0x2b0 [ 155.082535][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.092483][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.092483][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.102614][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.102614][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.112550][ C0] do_syscall_64+0x9f/0x140 [ 155.112550][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.112550][ C0] RIP: 0033:0x443df9 [ 155.112550][ 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 [ 155.112550][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.152502][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 155.152502][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 155.172483][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.182510][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 0000000000025334 [ 155.182510][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 155.192493][ C0] [ 155.192493][ C0] Uninit was stored to memory at: [ 155.202571][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 155.202571][ C0] __msan_chain_origin+0x54/0xa0 [ 155.202571][ C0] __ip_local_out+0x479/0x840 [ 155.202571][ C0] ip_local_out+0xa1/0x1e0 [ 155.222496][ C0] iptunnel_xmit+0x931/0xf20 [ 155.222496][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 155.232480][ C0] geneve_xmit+0x2139/0x3c40 [ 155.232480][ C0] xmit_one+0x2b6/0x760 [ 155.242529][ C0] __dev_queue_xmit+0x3432/0x4600 [ 155.242529][ C0] dev_queue_xmit+0x4b/0x60 [ 155.252486][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.252486][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.262513][ C0] __sys_sendmsg+0x714/0x830 [ 155.262513][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.272539][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.272539][ C0] do_syscall_64+0x9f/0x140 [ 155.272539][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.272539][ C0] [ 155.272539][ C0] Uninit was stored to memory at: [ 155.272539][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 155.272539][ C0] __msan_chain_origin+0x54/0xa0 [ 155.302497][ C0] iptunnel_xmit+0xbd6/0xf20 [ 155.302497][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 155.302497][ C0] geneve_xmit+0x2139/0x3c40 [ 155.302497][ C0] xmit_one+0x2b6/0x760 [ 155.322533][ C0] __dev_queue_xmit+0x3432/0x4600 [ 155.322533][ C0] dev_queue_xmit+0x4b/0x60 [ 155.332474][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.332474][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.342566][ C0] __sys_sendmsg+0x714/0x830 [ 155.342566][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.352476][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.352476][ C0] do_syscall_64+0x9f/0x140 [ 155.352476][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.362562][ C0] [ 155.362562][ C0] Uninit was created at: [ 155.362562][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.362562][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 155.382567][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.382567][ C0] __alloc_skb+0x4dd/0xe90 [ 155.392474][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 155.392474][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.402555][ C0] packet_sendmsg+0x6a12/0x99d0 [ 155.402555][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.412474][ C0] __sys_sendmsg+0x714/0x830 [ 155.412474][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.422512][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.422512][ C0] do_syscall_64+0x9f/0x140 executing program [ 155.422512][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.422512][ C0] ===================================================== [ 155.480285][ C0] ===================================================== [ 155.482381][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 155.482381][ C0] CPU: 0 PID: 8422 Comm: syz-executor580 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.482381][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.482381][ C0] Call Trace: [ 155.482381][ C0] [ 155.482381][ C0] dump_stack+0x24c/0x2e0 [ 155.482381][ C0] kmsan_report+0xfb/0x1e0 [ 155.482381][ C0] __msan_warning+0x5c/0xa0 [ 155.482381][ C0] ip_rcv_core+0xf4c/0x1480 [ 155.482381][ C0] ip_rcv+0xc7/0x820 [ 155.482381][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.482381][ C0] __netif_receive_skb+0x1ec/0x640 [ 155.482381][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.482381][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 155.562574][ C0] process_backlog+0x517/0xbd0 [ 155.562574][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.562574][ C0] __napi_poll+0x13e/0xca0 [ 155.562574][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.562574][ C0] net_rx_action+0x726/0x14a0 [ 155.562574][ C0] ? net_tx_action+0xd30/0xd30 [ 155.562574][ C0] __do_softirq+0x1b9/0x715 [ 155.562574][ C0] ? idle_cpu+0x9a/0x1d0 [ 155.562574][ C0] ? __irq_exit_rcu+0x83/0x280 [ 155.562574][ C0] do_softirq+0x123/0x1c0 [ 155.562574][ C0] [ 155.562574][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 155.562574][ C0] local_bh_enable+0x36/0x40 [ 155.562574][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 155.562574][ C0] dev_queue_xmit+0x4b/0x60 [ 155.562574][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.562574][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.562574][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.562574][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.562574][ C0] ? process_slab+0x13a8/0x1b70 [ 155.562574][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.562574][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.562574][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.562574][ C0] ? packet_getsockopt+0x1120/0x1120 [ 155.562574][ C0] __sys_sendmsg+0x714/0x830 [ 155.562574][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.562574][ C0] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 155.562574][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 155.562574][ C0] ? kmsan_get_metadata+0x116/0x180 [ 155.562574][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.562574][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.562574][ C0] do_syscall_64+0x9f/0x140 [ 155.562574][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.562574][ C0] RIP: 0033:0x443df9 [ 155.562574][ 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 [ 155.562574][ C0] RSP: 002b:00007fffd1500878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.562574][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443df9 [ 155.562574][ C0] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 [ 155.562574][ C0] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.562574][ C0] R10: 00007fffd15002f0 R11: 0000000000000246 R12: 000000000002594c [ 155.562574][ C0] R13: 00007fffd15008a0 R14: 00007fffd1500890 R15: 00007fffd1500884 [ 155.562574][ C0] [ 155.562574][ C0] Uninit was stored to memory at: [ 155.562574][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 155.562574][ C0] __msan_chain_origin+0x54/0xa0 [ 155.562574][ C0] iptunnel_xmit+0xbd6/0xf20 [ 155.562574][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 155.562574][ C0] geneve_xmit+0x2139/0x3c40 [ 155.562574][ C0] xmit_one+0x2b6/0x760 [ 155.562574][ C0] __dev_queue_xmit+0x3432/0x4600 [ 155.562574][ C0] dev_queue_xmit+0x4b/0x60 [ 155.562574][ C0] packet_sendmsg+0x86ee/0x99d0 [ 155.562574][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 155.562574][ C0] __sys_sendmsg+0x714/0x830 [ 155.562574][ C0] __se_sys_sendmsg+0x97/0xb0 [ 155.562574][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 155.562574][ C0] do_syscall_64+0x9f/0x140