Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. syzkaller login: [ 147.084323][ T8209] IPVS: ftp: loaded support on port[0] = 21 [ 147.252505][ T8209] chnl_net:caif_netlink_parms(): no params data found [ 147.337740][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.345090][ T8209] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.353266][ T8209] device bridge_slave_0 entered promiscuous mode [ 147.365310][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.372462][ T8209] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.382366][ T8209] device bridge_slave_1 entered promiscuous mode [ 147.416109][ T8209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 147.429072][ T8209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 147.462577][ T8209] team0: Port device team_slave_0 added [ 147.472399][ T8209] team0: Port device team_slave_1 added [ 147.502756][ T8209] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 147.509901][ T8209] 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. [ 147.539377][ T8209] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 147.553718][ T8209] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 147.560994][ T8209] 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. [ 147.587372][ T8209] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 147.629136][ T8209] device hsr_slave_0 entered promiscuous mode [ 147.636549][ T8209] device hsr_slave_1 entered promiscuous mode [ 147.810254][ T8209] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 147.821828][ T8209] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 147.838611][ T8209] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 147.855180][ T8209] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 147.945367][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.952563][ T8209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.960466][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.967931][ T8209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.043509][ T8209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 148.063491][ T1980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 148.073616][ T1980] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.084430][ T1980] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.093769][ T1980] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 148.112164][ T8209] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.131366][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 148.140873][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.148393][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.165608][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 148.175107][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.182506][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.215205][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 148.227060][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 148.237296][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 148.250533][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 148.264579][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 148.273974][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 148.295925][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 148.305494][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.315503][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 148.325054][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 148.346618][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 148.377434][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 148.385519][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 148.406080][ T8209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 148.438734][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 148.448673][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 148.480803][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 148.490052][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 148.500695][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 148.509846][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 148.525414][ T8209] device veth0_vlan entered promiscuous mode [ 148.543599][ T8209] device veth1_vlan entered promiscuous mode [ 148.582652][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 148.592337][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 148.601755][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 148.611601][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 148.627849][ T8209] device veth0_macvtap entered promiscuous mode [ 148.641295][ T8209] device veth1_macvtap entered promiscuous mode [ 148.671883][ T8209] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 148.679512][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 148.689097][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 148.698227][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 148.708057][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 148.726344][ T8209] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 148.734017][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 148.744432][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 148.760172][ T8209] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.769073][ T8209] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.778182][ T8209] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 148.787765][ T8209] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 148.950662][ C0] ===================================================== [ 148.957635][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 148.964519][ C0] CPU: 0 PID: 8421 Comm: syz-executor985 Not tainted 5.12.0-rc6-syzkaller #0 [ 148.973305][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.983366][ C0] Call Trace: [ 148.986642][ C0] [ 148.989491][ C0] dump_stack+0x24c/0x2e0 [ 148.993808][ C0] kmsan_report+0xfb/0x1e0 [ 148.998208][ C0] __msan_warning+0x5c/0xa0 [ 149.002693][ C0] ip_rcv_core+0xf4c/0x1480 [ 149.007181][ C0] ip_rcv+0xc7/0x820 [ 149.011066][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.016249][ C0] __netif_receive_skb+0x1ec/0x640 [ 149.021342][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.026959][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 149.032575][ C0] process_backlog+0x517/0xbd0 [ 149.037325][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.042610][ C0] __napi_poll+0x13e/0xca0 [ 149.047009][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.053060][ C0] net_rx_action+0x726/0x14a0 [ 149.057724][ C0] ? net_tx_action+0xd30/0xd30 [ 149.062470][ C0] __do_softirq+0x1b9/0x715 [ 149.066960][ C0] ? idle_cpu+0x9a/0x1d0 [ 149.071190][ C0] ? __irq_exit_rcu+0x83/0x280 [ 149.075936][ C0] do_softirq+0x123/0x1c0 [ 149.080273][ C0] [ 149.083189][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 149.088219][ C0] local_bh_enable+0x36/0x40 [ 149.092795][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 149.097808][ C0] dev_queue_xmit+0x4b/0x60 [ 149.102310][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.107579][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.112417][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.118466][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.123646][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.128826][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.134440][ C0] ? process_slab+0x13a8/0x1b70 [ 149.139276][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.145158][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.151231][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.156082][ C0] ? packet_getsockopt+0x1120/0x1120 [ 149.161357][ C0] __sys_sendmsg+0x714/0x830 [ 149.165939][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.171565][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 149.177645][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.182835][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.187503][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.192260][ C0] do_syscall_64+0x9f/0x140 [ 149.196750][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.202635][ C0] RIP: 0033:0x449979 [ 149.206513][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 149.226104][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.234507][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 149.242473][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 149.250439][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 149.258406][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 149.266362][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 149.274321][ C0] [ 149.276623][ C0] Uninit was stored to memory at: [ 149.281619][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.287323][ C0] __msan_chain_origin+0x54/0xa0 [ 149.292240][ C0] iptunnel_xmit+0xbd6/0xf20 [ 149.296813][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.301970][ C0] geneve_xmit+0x2139/0x3c40 [ 149.306547][ C0] xmit_one+0x2b6/0x760 [ 149.310728][ C0] __dev_queue_xmit+0x3432/0x4600 [ 149.315735][ C0] dev_queue_xmit+0x4b/0x60 [ 149.320312][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.325142][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.329981][ C0] __sys_sendmsg+0x714/0x830 [ 149.334554][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.339214][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.343962][ C0] do_syscall_64+0x9f/0x140 [ 149.348823][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.354701][ C0] [ 149.357006][ C0] Uninit was created at: [ 149.361221][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.366931][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 149.371589][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.377487][ C0] __alloc_skb+0x4dd/0xe90 [ 149.381907][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 149.387099][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.392287][ C0] packet_sendmsg+0x6a12/0x99d0 [ 149.397126][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.401961][ C0] __sys_sendmsg+0x714/0x830 [ 149.406536][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.411197][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.415944][ C0] do_syscall_64+0x9f/0x140 [ 149.420451][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.426327][ C0] ===================================================== [ 149.433237][ C0] Disabling lock debugging due to kernel taint [ 149.439639][ C0] ===================================================== [ 149.446615][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 149.453484][ C0] CPU: 0 PID: 8421 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.463652][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.473721][ C0] Call Trace: [ 149.477007][ C0] [ 149.479857][ C0] dump_stack+0x24c/0x2e0 [ 149.484317][ C0] kmsan_report+0xfb/0x1e0 [ 149.488759][ C0] __msan_warning+0x5c/0xa0 [ 149.493286][ C0] ip_rcv_core+0xf5d/0x1480 [ 149.497809][ C0] ip_rcv+0xc7/0x820 [ 149.501722][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.506949][ C0] __netif_receive_skb+0x1ec/0x640 [ 149.512080][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.517729][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 149.523385][ C0] process_backlog+0x517/0xbd0 [ 149.528172][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 149.533479][ C0] __napi_poll+0x13e/0xca0 [ 149.537924][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.544013][ C0] net_rx_action+0x726/0x14a0 [ 149.548715][ C0] ? net_tx_action+0xd30/0xd30 [ 149.553497][ C0] __do_softirq+0x1b9/0x715 [ 149.558024][ C0] ? idle_cpu+0x9a/0x1d0 [ 149.562319][ C0] ? __irq_exit_rcu+0x83/0x280 [ 149.567101][ C0] do_softirq+0x123/0x1c0 [ 149.571420][ C0] [ 149.574343][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 149.579384][ C0] local_bh_enable+0x36/0x40 [ 149.583964][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 149.589005][ C0] dev_queue_xmit+0x4b/0x60 [ 149.593509][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 149.598797][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.603655][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.609722][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.614926][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.620123][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.625752][ C0] ? process_slab+0x13a8/0x1b70 [ 149.630605][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.636439][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.642523][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.647381][ C0] ? packet_getsockopt+0x1120/0x1120 [ 149.652682][ C0] __sys_sendmsg+0x714/0x830 [ 149.657280][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.662913][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 149.668898][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.674105][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.678787][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.683553][ C0] do_syscall_64+0x9f/0x140 [ 149.688161][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.694057][ C0] RIP: 0033:0x449979 [ 149.697953][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 149.717560][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 149.725974][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 149.733938][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 149.741925][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 149.749891][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 149.757885][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 149.765865][ C0] [ 149.768174][ C0] Uninit was stored to memory at: [ 149.773178][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 149.778895][ C0] __msan_chain_origin+0x54/0xa0 [ 149.783833][ C0] iptunnel_xmit+0xbd6/0xf20 [ 149.788428][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 149.793545][ C0] geneve_xmit+0x2139/0x3c40 [ 149.798138][ C0] xmit_one+0x2b6/0x760 [ 149.802295][ C0] __dev_queue_xmit+0x3432/0x4600 [ 149.807322][ C0] dev_queue_xmit+0x4b/0x60 [ 149.811827][ C0] packet_sendmsg+0x86ee/0x99d0 [ 149.816694][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.821560][ C0] __sys_sendmsg+0x714/0x830 [ 149.826154][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.830824][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.835590][ C0] do_syscall_64+0x9f/0x140 [ 149.840093][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.845985][ C0] [ 149.848296][ C0] Uninit was created at: [ 149.852517][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.858244][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 149.862917][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 149.868815][ C0] __alloc_skb+0x4dd/0xe90 [ 149.873226][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 149.878427][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 149.883628][ C0] packet_sendmsg+0x6a12/0x99d0 [ 149.888480][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 149.893330][ C0] __sys_sendmsg+0x714/0x830 [ 149.897924][ C0] __se_sys_sendmsg+0x97/0xb0 [ 149.902603][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 149.907420][ C0] do_syscall_64+0x9f/0x140 [ 149.911959][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.917880][ C0] ===================================================== [ 149.925063][ C0] ===================================================== [ 149.932020][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 149.938989][ C0] CPU: 0 PID: 8421 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.949161][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.959228][ C0] Call Trace: [ 149.962520][ C0] [ 149.965380][ C0] dump_stack+0x24c/0x2e0 [ 149.969733][ C0] kmsan_report+0xfb/0x1e0 [ 149.974173][ C0] __msan_warning+0x5c/0xa0 [ 149.978729][ C0] ip_rcv_core+0x1068/0x1480 [ 149.983342][ C0] ip_rcv+0xc7/0x820 [ 149.987253][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.992471][ C0] __netif_receive_skb+0x1ec/0x640 [ 149.997602][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.003255][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 150.008910][ C0] process_backlog+0x517/0xbd0 [ 150.013705][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.019011][ C0] __napi_poll+0x13e/0xca0 [ 150.024656][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.030712][ C0] net_rx_action+0x726/0x14a0 [ 150.035374][ C0] ? net_tx_action+0xd30/0xd30 [ 150.040121][ C0] __do_softirq+0x1b9/0x715 [ 150.044613][ C0] ? idle_cpu+0x9a/0x1d0 [ 150.048845][ C0] ? __irq_exit_rcu+0x83/0x280 [ 150.053624][ C0] do_softirq+0x123/0x1c0 [ 150.057941][ C0] [ 150.060858][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 150.065870][ C0] local_bh_enable+0x36/0x40 [ 150.070491][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 150.075534][ C0] dev_queue_xmit+0x4b/0x60 [ 150.080055][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.085508][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.090411][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.096476][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.101694][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.106885][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.112518][ C0] ? process_slab+0x13a8/0x1b70 [ 150.117365][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.123205][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.129302][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.134263][ C0] ? packet_getsockopt+0x1120/0x1120 [ 150.139546][ C0] __sys_sendmsg+0x714/0x830 [ 150.144133][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.149755][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 150.155723][ C0] ? kmsan_get_metadata+0x116/0x180 [ 150.160910][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.165580][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.170338][ C0] do_syscall_64+0x9f/0x140 [ 150.174970][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.180850][ C0] RIP: 0033:0x449979 [ 150.184731][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 150.204389][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.212793][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 150.220759][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 150.228715][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 150.236673][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 150.244632][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 150.252594][ C0] [ 150.254900][ C0] Uninit was stored to memory at: [ 150.259906][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 150.265639][ C0] __msan_chain_origin+0x54/0xa0 [ 150.270584][ C0] __ip_local_out+0x479/0x840 [ 150.275246][ C0] ip_local_out+0xa1/0x1e0 [ 150.279649][ C0] iptunnel_xmit+0x931/0xf20 [ 150.284228][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 150.289325][ C0] geneve_xmit+0x2139/0x3c40 [ 150.293904][ C0] xmit_one+0x2b6/0x760 [ 150.298045][ C0] __dev_queue_xmit+0x3432/0x4600 [ 150.303222][ C0] dev_queue_xmit+0x4b/0x60 [ 150.307719][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.312564][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.317547][ C0] __sys_sendmsg+0x714/0x830 [ 150.322132][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.326838][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.331594][ C0] do_syscall_64+0x9f/0x140 [ 150.336087][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.341966][ C0] [ 150.344271][ C0] Uninit was stored to memory at: [ 150.349298][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 150.355136][ C0] __msan_chain_origin+0x54/0xa0 [ 150.360092][ C0] iptunnel_xmit+0xbd6/0xf20 [ 150.364685][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 150.369860][ C0] geneve_xmit+0x2139/0x3c40 [ 150.374453][ C0] xmit_one+0x2b6/0x760 [ 150.378599][ C0] __dev_queue_xmit+0x3432/0x4600 [ 150.383618][ C0] dev_queue_xmit+0x4b/0x60 [ 150.388110][ C0] packet_sendmsg+0x86ee/0x99d0 [ 150.392954][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.397802][ C0] __sys_sendmsg+0x714/0x830 [ 150.402414][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.407117][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.411892][ C0] do_syscall_64+0x9f/0x140 [ 150.416396][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.422287][ C0] [ 150.424593][ C0] Uninit was created at: [ 150.428825][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.434573][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 150.439262][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 150.445148][ C0] __alloc_skb+0x4dd/0xe90 [ 150.449554][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 150.454741][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 150.459963][ C0] packet_sendmsg+0x6a12/0x99d0 [ 150.464823][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 150.469658][ C0] __sys_sendmsg+0x714/0x830 [ 150.474234][ C0] __se_sys_sendmsg+0x97/0xb0 [ 150.478896][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 150.483647][ C0] do_syscall_64+0x9f/0x140 [ 150.488136][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.494016][ C0] ===================================================== executing program [ 150.612722][ C1] ===================================================== [ 150.619691][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 150.626546][ C1] CPU: 1 PID: 8424 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.636677][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.646712][ C1] Call Trace: [ 150.649973][ C1] [ 150.652796][ C1] dump_stack+0x24c/0x2e0 [ 150.657117][ C1] kmsan_report+0xfb/0x1e0 [ 150.661520][ C1] __msan_warning+0x5c/0xa0 [ 150.666005][ C1] ip_rcv_core+0xf4c/0x1480 [ 150.670495][ C1] ip_rcv+0xc7/0x820 [ 150.674372][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.679556][ C1] __netif_receive_skb+0x1ec/0x640 [ 150.684655][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.690272][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 150.695914][ C1] process_backlog+0x517/0xbd0 [ 150.700674][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 150.705938][ C1] __napi_poll+0x13e/0xca0 [ 150.710337][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.716387][ C1] net_rx_action+0x726/0x14a0 [ 150.721054][ C1] ? net_tx_action+0xd30/0xd30 [ 150.725800][ C1] __do_softirq+0x1b9/0x715 [ 150.730288][ C1] ? idle_cpu+0x9a/0x1d0 [ 150.734515][ C1] ? __irq_exit_rcu+0x83/0x280 [ 150.739266][ C1] do_softirq+0x123/0x1c0 [ 150.743579][ C1] [ 150.746493][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 150.751500][ C1] local_bh_enable+0x36/0x40 [ 150.756074][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 150.761088][ C1] dev_queue_xmit+0x4b/0x60 [ 150.765577][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 150.770850][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.775688][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.781738][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.787031][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.792233][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.797848][ C1] ? process_slab+0x13a8/0x1b70 [ 150.802690][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.808479][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.814538][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.819378][ C1] ? packet_getsockopt+0x1120/0x1120 [ 150.824648][ C1] __sys_sendmsg+0x714/0x830 [ 150.829224][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.838245][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 150.844228][ C1] ? kmsan_get_metadata+0x116/0x180 [ 150.849414][ C1] __se_sys_sendmsg+0x97/0xb0 [ 150.854082][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 150.858856][ C1] do_syscall_64+0x9f/0x140 [ 150.863345][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.869220][ C1] RIP: 0033:0x449979 [ 150.873095][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 150.892697][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 150.901095][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 150.909051][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 150.917044][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 150.924997][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 150.932949][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 150.940905][ C1] [ 150.943211][ C1] Uninit was stored to memory at: [ 150.948204][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 150.953912][ C1] __msan_chain_origin+0x54/0xa0 [ 150.958831][ C1] iptunnel_xmit+0xbd6/0xf20 [ 150.963421][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 150.968515][ C1] geneve_xmit+0x2139/0x3c40 [ 150.973091][ C1] xmit_one+0x2b6/0x760 [ 150.977241][ C1] __dev_queue_xmit+0x3432/0x4600 [ 150.982249][ C1] dev_queue_xmit+0x4b/0x60 [ 150.986735][ C1] packet_sendmsg+0x86ee/0x99d0 [ 150.991570][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 150.996405][ C1] __sys_sendmsg+0x714/0x830 [ 151.000996][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.005672][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.010417][ C1] do_syscall_64+0x9f/0x140 [ 151.014907][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.020839][ C1] [ 151.023142][ C1] Uninit was created at: [ 151.027355][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.033083][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.037741][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.043620][ C1] __alloc_skb+0x4dd/0xe90 [ 151.048017][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.053198][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.058382][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.063237][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.068073][ C1] __sys_sendmsg+0x714/0x830 [ 151.072647][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.077305][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.082053][ C1] do_syscall_64+0x9f/0x140 [ 151.086540][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.092415][ C1] ===================================================== [ 151.099539][ C1] ===================================================== [ 151.106470][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 151.113342][ C1] CPU: 1 PID: 8424 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.123508][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.133577][ C1] Call Trace: [ 151.136867][ C1] [ 151.139720][ C1] dump_stack+0x24c/0x2e0 [ 151.144184][ C1] kmsan_report+0xfb/0x1e0 [ 151.148623][ C1] __msan_warning+0x5c/0xa0 [ 151.153145][ C1] ip_rcv_core+0xf5d/0x1480 [ 151.157673][ C1] ip_rcv+0xc7/0x820 [ 151.161591][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.166811][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.171949][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.177615][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.183272][ C1] process_backlog+0x517/0xbd0 [ 151.188060][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.193364][ C1] __napi_poll+0x13e/0xca0 [ 151.197772][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.203832][ C1] net_rx_action+0x726/0x14a0 [ 151.208517][ C1] ? net_tx_action+0xd30/0xd30 [ 151.213267][ C1] __do_softirq+0x1b9/0x715 [ 151.217784][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.222019][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.226772][ C1] do_softirq+0x123/0x1c0 [ 151.231091][ C1] [ 151.234014][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.239052][ C1] local_bh_enable+0x36/0x40 [ 151.243633][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.248650][ C1] dev_queue_xmit+0x4b/0x60 [ 151.253142][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.258430][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.263283][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.269365][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.274555][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.279740][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.285371][ C1] ? process_slab+0x13a8/0x1b70 [ 151.290219][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.296042][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.302119][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.307003][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.312317][ C1] __sys_sendmsg+0x714/0x830 [ 151.316915][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.322562][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.328548][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.333753][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.338439][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.343206][ C1] do_syscall_64+0x9f/0x140 [ 151.347715][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.353608][ C1] RIP: 0033:0x449979 [ 151.357495][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 151.377105][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.385524][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 151.393600][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 151.401585][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 151.409567][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 151.417631][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 151.425609][ C1] [ 151.427922][ C1] Uninit was stored to memory at: [ 151.432931][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.438658][ C1] __msan_chain_origin+0x54/0xa0 [ 151.443622][ C1] iptunnel_xmit+0xbd6/0xf20 [ 151.448218][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.453333][ C1] geneve_xmit+0x2139/0x3c40 [ 151.457928][ C1] xmit_one+0x2b6/0x760 [ 151.462087][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.467113][ C1] dev_queue_xmit+0x4b/0x60 [ 151.471619][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.476469][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.481320][ C1] __sys_sendmsg+0x714/0x830 [ 151.485911][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.490589][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.495351][ C1] do_syscall_64+0x9f/0x140 [ 151.499856][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.505751][ C1] [ 151.508062][ C1] Uninit was created at: [ 151.512283][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.518012][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 151.522688][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 151.528585][ C1] __alloc_skb+0x4dd/0xe90 [ 151.533000][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 151.538204][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 151.543408][ C1] packet_sendmsg+0x6a12/0x99d0 [ 151.548265][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.553119][ C1] __sys_sendmsg+0x714/0x830 [ 151.557716][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.562395][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.567166][ C1] do_syscall_64+0x9f/0x140 [ 151.571674][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.577571][ C1] ===================================================== [ 151.584701][ C1] ===================================================== [ 151.591639][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 151.598686][ C1] CPU: 1 PID: 8424 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.608861][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.619045][ C1] Call Trace: [ 151.622453][ C1] [ 151.625305][ C1] dump_stack+0x24c/0x2e0 [ 151.629665][ C1] kmsan_report+0xfb/0x1e0 [ 151.634105][ C1] __msan_warning+0x5c/0xa0 [ 151.638630][ C1] ip_rcv_core+0x1068/0x1480 [ 151.643296][ C1] ip_rcv+0xc7/0x820 [ 151.647211][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.652433][ C1] __netif_receive_skb+0x1ec/0x640 [ 151.657568][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.663221][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 151.668905][ C1] process_backlog+0x517/0xbd0 [ 151.673695][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 151.679004][ C1] __napi_poll+0x13e/0xca0 [ 151.683444][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.689544][ C1] net_rx_action+0x726/0x14a0 [ 151.694281][ C1] ? net_tx_action+0xd30/0xd30 [ 151.699067][ C1] __do_softirq+0x1b9/0x715 [ 151.703585][ C1] ? idle_cpu+0x9a/0x1d0 [ 151.707856][ C1] ? __irq_exit_rcu+0x83/0x280 [ 151.712643][ C1] do_softirq+0x123/0x1c0 [ 151.716976][ C1] [ 151.719925][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 151.724939][ C1] local_bh_enable+0x36/0x40 [ 151.729519][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 151.734534][ C1] dev_queue_xmit+0x4b/0x60 [ 151.739025][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 151.744309][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.749160][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.755241][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.760423][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.765611][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.771234][ C1] ? process_slab+0x13a8/0x1b70 [ 151.776075][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.781866][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.787930][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.792773][ C1] ? packet_getsockopt+0x1120/0x1120 [ 151.798046][ C1] __sys_sendmsg+0x714/0x830 [ 151.802626][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.808243][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 151.814212][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.819407][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.824111][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.828893][ C1] do_syscall_64+0x9f/0x140 [ 151.833416][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.839328][ C1] RIP: 0033:0x449979 [ 151.843207][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 151.862801][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 151.871204][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 151.879186][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 151.887166][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 151.895143][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 151.903100][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 151.911061][ C1] [ 151.913370][ C1] Uninit was stored to memory at: [ 151.918366][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 151.924081][ C1] __msan_chain_origin+0x54/0xa0 [ 151.929116][ C1] __ip_local_out+0x479/0x840 [ 151.933778][ C1] ip_local_out+0xa1/0x1e0 [ 151.938177][ C1] iptunnel_xmit+0x931/0xf20 [ 151.942754][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 151.947855][ C1] geneve_xmit+0x2139/0x3c40 [ 151.952466][ C1] xmit_one+0x2b6/0x760 [ 151.956633][ C1] __dev_queue_xmit+0x3432/0x4600 [ 151.961641][ C1] dev_queue_xmit+0x4b/0x60 [ 151.966135][ C1] packet_sendmsg+0x86ee/0x99d0 [ 151.970972][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 151.975811][ C1] __sys_sendmsg+0x714/0x830 [ 151.980402][ C1] __se_sys_sendmsg+0x97/0xb0 [ 151.985077][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 151.989824][ C1] do_syscall_64+0x9f/0x140 [ 151.994314][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.000191][ C1] [ 152.002493][ C1] Uninit was stored to memory at: [ 152.007488][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.013194][ C1] __msan_chain_origin+0x54/0xa0 [ 152.018134][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.022742][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.027869][ C1] geneve_xmit+0x2139/0x3c40 [ 152.032455][ C1] xmit_one+0x2b6/0x760 [ 152.036602][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.041640][ C1] dev_queue_xmit+0x4b/0x60 [ 152.046130][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.050971][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.055826][ C1] __sys_sendmsg+0x714/0x830 [ 152.060401][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.065116][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.069881][ C1] do_syscall_64+0x9f/0x140 [ 152.074373][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.080251][ C1] [ 152.082555][ C1] Uninit was created at: [ 152.086776][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.092489][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.097183][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.103075][ C1] __alloc_skb+0x4dd/0xe90 [ 152.107478][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.112768][ C1] sock_alloc_send_pskb+0xdc1/0xf90 executing program [ 152.117964][ C1] packet_sendmsg+0x6a12/0x99d0 [ 152.122837][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.127700][ C1] __sys_sendmsg+0x714/0x830 [ 152.132281][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.136974][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.141729][ C1] do_syscall_64+0x9f/0x140 [ 152.146221][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.152101][ C1] ===================================================== [ 152.218179][ C1] ===================================================== [ 152.225148][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 152.232025][ C1] CPU: 1 PID: 8426 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.242169][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.252268][ C1] Call Trace: [ 152.255540][ C1] [ 152.258370][ C1] dump_stack+0x24c/0x2e0 [ 152.262702][ C1] kmsan_report+0xfb/0x1e0 [ 152.267107][ C1] __msan_warning+0x5c/0xa0 [ 152.271596][ C1] ip_rcv_core+0xf4c/0x1480 [ 152.276089][ C1] ip_rcv+0xc7/0x820 [ 152.279971][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.285158][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.290258][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.295876][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.301498][ C1] process_backlog+0x517/0xbd0 [ 152.306246][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.311564][ C1] __napi_poll+0x13e/0xca0 [ 152.315966][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.322019][ C1] net_rx_action+0x726/0x14a0 [ 152.326692][ C1] ? net_tx_action+0xd30/0xd30 [ 152.331440][ C1] __do_softirq+0x1b9/0x715 [ 152.335929][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.340165][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.344916][ C1] do_softirq+0x123/0x1c0 [ 152.349294][ C1] [ 152.352211][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.357232][ C1] local_bh_enable+0x36/0x40 [ 152.361811][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.366828][ C1] dev_queue_xmit+0x4b/0x60 [ 152.371334][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.376622][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.381478][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.387532][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.392722][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.397911][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.403534][ C1] ? process_slab+0x13a8/0x1b70 [ 152.408431][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.414243][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.420326][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.425174][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.430457][ C1] __sys_sendmsg+0x714/0x830 [ 152.435071][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 152.441046][ C1] ? up_read+0x40/0x2b0 [ 152.445195][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.450386][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.456178][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.461367][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.466035][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.470843][ C1] do_syscall_64+0x9f/0x140 [ 152.475337][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.481219][ C1] RIP: 0033:0x449979 [ 152.485100][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 152.504753][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.513188][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 152.521146][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 152.529103][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 152.537061][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 152.545035][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 152.553008][ C1] [ 152.555330][ C1] Uninit was stored to memory at: [ 152.560340][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 152.566048][ C1] __msan_chain_origin+0x54/0xa0 [ 152.570972][ C1] iptunnel_xmit+0xbd6/0xf20 [ 152.575554][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 152.580686][ C1] geneve_xmit+0x2139/0x3c40 [ 152.585269][ C1] xmit_one+0x2b6/0x760 [ 152.589413][ C1] __dev_queue_xmit+0x3432/0x4600 [ 152.594425][ C1] dev_queue_xmit+0x4b/0x60 [ 152.598915][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.603753][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.608702][ C1] __sys_sendmsg+0x714/0x830 [ 152.613279][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.617943][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.622720][ C1] do_syscall_64+0x9f/0x140 [ 152.627213][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.633106][ C1] [ 152.635408][ C1] Uninit was created at: [ 152.639623][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.645334][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 152.649997][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 152.655910][ C1] __alloc_skb+0x4dd/0xe90 [ 152.660339][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 152.665526][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 152.670713][ C1] packet_sendmsg+0x6a12/0x99d0 [ 152.675553][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.680390][ C1] __sys_sendmsg+0x714/0x830 [ 152.684967][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.689634][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.694430][ C1] do_syscall_64+0x9f/0x140 [ 152.698932][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.704810][ C1] ===================================================== [ 152.711888][ C1] ===================================================== [ 152.718828][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 152.725704][ C1] CPU: 1 PID: 8426 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.735871][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.745981][ C1] Call Trace: [ 152.749269][ C1] [ 152.752117][ C1] dump_stack+0x24c/0x2e0 [ 152.756480][ C1] kmsan_report+0xfb/0x1e0 [ 152.760916][ C1] __msan_warning+0x5c/0xa0 [ 152.765497][ C1] ip_rcv_core+0xf5d/0x1480 [ 152.770028][ C1] ip_rcv+0xc7/0x820 [ 152.773950][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.779176][ C1] __netif_receive_skb+0x1ec/0x640 [ 152.784309][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.790830][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 152.796488][ C1] process_backlog+0x517/0xbd0 [ 152.801279][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 152.806584][ C1] __napi_poll+0x13e/0xca0 [ 152.811061][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.817119][ C1] net_rx_action+0x726/0x14a0 [ 152.821787][ C1] ? net_tx_action+0xd30/0xd30 [ 152.826566][ C1] __do_softirq+0x1b9/0x715 [ 152.831059][ C1] ? idle_cpu+0x9a/0x1d0 [ 152.835296][ C1] ? __irq_exit_rcu+0x83/0x280 [ 152.840081][ C1] do_softirq+0x123/0x1c0 [ 152.844433][ C1] [ 152.847349][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 152.852363][ C1] local_bh_enable+0x36/0x40 [ 152.856941][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 152.861960][ C1] dev_queue_xmit+0x4b/0x60 [ 152.866451][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 152.871729][ C1] packet_sendmsg+0x86ee/0x99d0 [ 152.876598][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.882738][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.887924][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.893129][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.898764][ C1] ? process_slab+0x13a8/0x1b70 [ 152.903622][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.909433][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.915512][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 152.920373][ C1] ? packet_getsockopt+0x1120/0x1120 [ 152.925671][ C1] __sys_sendmsg+0x714/0x830 [ 152.930268][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 152.936251][ C1] ? up_read+0x40/0x2b0 [ 152.940415][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.945617][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.951429][ C1] ? kmsan_get_metadata+0x116/0x180 [ 152.956631][ C1] __se_sys_sendmsg+0x97/0xb0 [ 152.961313][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 152.966090][ C1] do_syscall_64+0x9f/0x140 [ 152.970610][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.976523][ C1] RIP: 0033:0x449979 [ 152.980453][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 153.000061][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.008476][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 153.016443][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 153.024409][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 153.032379][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 153.040348][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 153.048320][ C1] [ 153.050631][ C1] Uninit was stored to memory at: [ 153.055637][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.061361][ C1] __msan_chain_origin+0x54/0xa0 [ 153.066296][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.070889][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.076002][ C1] geneve_xmit+0x2139/0x3c40 [ 153.080613][ C1] xmit_one+0x2b6/0x760 [ 153.084767][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.089794][ C1] dev_queue_xmit+0x4b/0x60 [ 153.094296][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.099157][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.104009][ C1] __sys_sendmsg+0x714/0x830 [ 153.108599][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.113274][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.118037][ C1] do_syscall_64+0x9f/0x140 [ 153.122540][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.128438][ C1] [ 153.130748][ C1] Uninit was created at: [ 153.134970][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.140696][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.145371][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.151271][ C1] __alloc_skb+0x4dd/0xe90 [ 153.155687][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.160889][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.166091][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.170940][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.175791][ C1] __sys_sendmsg+0x714/0x830 [ 153.180379][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.185058][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.189823][ C1] do_syscall_64+0x9f/0x140 [ 153.194324][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.200216][ C1] ===================================================== [ 153.207261][ C1] ===================================================== [ 153.214189][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 153.221151][ C1] CPU: 1 PID: 8426 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.231323][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.241395][ C1] Call Trace: [ 153.244685][ C1] [ 153.247533][ C1] dump_stack+0x24c/0x2e0 [ 153.251911][ C1] kmsan_report+0xfb/0x1e0 [ 153.256356][ C1] __msan_warning+0x5c/0xa0 [ 153.260879][ C1] ip_rcv_core+0x1068/0x1480 [ 153.265518][ C1] ip_rcv+0xc7/0x820 [ 153.269431][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.274650][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.279780][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.285430][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.291079][ C1] process_backlog+0x517/0xbd0 [ 153.295837][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.301117][ C1] __napi_poll+0x13e/0xca0 [ 153.305524][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.311578][ C1] net_rx_action+0x726/0x14a0 [ 153.316303][ C1] ? net_tx_action+0xd30/0xd30 [ 153.321058][ C1] __do_softirq+0x1b9/0x715 [ 153.325577][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.329815][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.334572][ C1] do_softirq+0x123/0x1c0 [ 153.338895][ C1] [ 153.341815][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.346847][ C1] local_bh_enable+0x36/0x40 [ 153.351427][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.356442][ C1] dev_queue_xmit+0x4b/0x60 [ 153.360984][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.366260][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.371121][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.377180][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.382408][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.387616][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.393395][ C1] ? process_slab+0x13a8/0x1b70 [ 153.398272][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.404071][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.410170][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.415017][ C1] ? packet_getsockopt+0x1120/0x1120 [ 153.420295][ C1] __sys_sendmsg+0x714/0x830 [ 153.424877][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 153.430977][ C1] ? up_read+0x40/0x2b0 [ 153.435128][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.440314][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.446109][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.451298][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.455967][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.460717][ C1] do_syscall_64+0x9f/0x140 [ 153.465210][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.471090][ C1] RIP: 0033:0x449979 [ 153.474977][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 153.494705][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.503238][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 153.511301][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 153.519262][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 153.527754][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 153.535758][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 153.543741][ C1] [ 153.546056][ C1] Uninit was stored to memory at: [ 153.551066][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.556777][ C1] __msan_chain_origin+0x54/0xa0 [ 153.561704][ C1] __ip_local_out+0x479/0x840 [ 153.566365][ C1] ip_local_out+0xa1/0x1e0 [ 153.570767][ C1] iptunnel_xmit+0x931/0xf20 [ 153.575342][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.580460][ C1] geneve_xmit+0x2139/0x3c40 [ 153.585068][ C1] xmit_one+0x2b6/0x760 [ 153.589238][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.594252][ C1] dev_queue_xmit+0x4b/0x60 [ 153.598797][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.603635][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.608472][ C1] __sys_sendmsg+0x714/0x830 [ 153.613048][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.617709][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.622459][ C1] do_syscall_64+0x9f/0x140 [ 153.626947][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.632915][ C1] [ 153.635218][ C1] Uninit was stored to memory at: [ 153.640317][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 153.646025][ C1] __msan_chain_origin+0x54/0xa0 [ 153.650975][ C1] iptunnel_xmit+0xbd6/0xf20 [ 153.655572][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 153.660688][ C1] geneve_xmit+0x2139/0x3c40 [ 153.665376][ C1] xmit_one+0x2b6/0x760 [ 153.669520][ C1] __dev_queue_xmit+0x3432/0x4600 [ 153.674531][ C1] dev_queue_xmit+0x4b/0x60 [ 153.679022][ C1] packet_sendmsg+0x86ee/0x99d0 [ 153.683858][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.688696][ C1] __sys_sendmsg+0x714/0x830 [ 153.693271][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.697937][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 153.702718][ C1] do_syscall_64+0x9f/0x140 [ 153.707212][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.713091][ C1] [ 153.715396][ C1] Uninit was created at: [ 153.719610][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.725322][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 153.729988][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 153.735869][ C1] __alloc_skb+0x4dd/0xe90 [ 153.740271][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 153.745457][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 153.750664][ C1] packet_sendmsg+0x6a12/0x99d0 [ 153.755529][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 153.760386][ C1] __sys_sendmsg+0x714/0x830 [ 153.764966][ C1] __se_sys_sendmsg+0x97/0xb0 [ 153.769633][ C1] __x64_sys_sendmsg+0x4a/0x70 executing program [ 153.774409][ C1] do_syscall_64+0x9f/0x140 [ 153.778900][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 153.784807][ C1] ===================================================== [ 153.841323][ C1] ===================================================== [ 153.848314][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 153.855188][ C1] CPU: 1 PID: 8428 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 153.865355][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.875413][ C1] Call Trace: [ 153.878688][ C1] [ 153.881513][ C1] dump_stack+0x24c/0x2e0 [ 153.885836][ C1] kmsan_report+0xfb/0x1e0 [ 153.890238][ C1] __msan_warning+0x5c/0xa0 [ 153.894727][ C1] ip_rcv_core+0xf4c/0x1480 [ 153.899219][ C1] ip_rcv+0xc7/0x820 [ 153.903100][ C1] ? kmsan_get_metadata+0x116/0x180 [ 153.908283][ C1] __netif_receive_skb+0x1ec/0x640 [ 153.913381][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.918998][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 153.924623][ C1] process_backlog+0x517/0xbd0 [ 153.929380][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 153.934649][ C1] __napi_poll+0x13e/0xca0 [ 153.939050][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.945103][ C1] net_rx_action+0x726/0x14a0 [ 153.949768][ C1] ? net_tx_action+0xd30/0xd30 [ 153.954514][ C1] __do_softirq+0x1b9/0x715 [ 153.959004][ C1] ? idle_cpu+0x9a/0x1d0 [ 153.963235][ C1] ? __irq_exit_rcu+0x83/0x280 [ 153.968006][ C1] do_softirq+0x123/0x1c0 [ 153.972335][ C1] [ 153.975263][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 153.980277][ C1] local_bh_enable+0x36/0x40 [ 153.984885][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 153.989930][ C1] dev_queue_xmit+0x4b/0x60 [ 153.994424][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 153.999699][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.004558][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.010629][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.015829][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.021028][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.026663][ C1] ? process_slab+0x13a8/0x1b70 [ 154.031519][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.037325][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.043404][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.048262][ C1] ? packet_getsockopt+0x1120/0x1120 [ 154.053554][ C1] __sys_sendmsg+0x714/0x830 [ 154.058151][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.063785][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.069784][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.074988][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.079666][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.084430][ C1] do_syscall_64+0x9f/0x140 [ 154.088944][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.094841][ C1] RIP: 0033:0x449979 [ 154.098731][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 154.118338][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.126754][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 154.134731][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 154.142700][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 154.150665][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 154.158635][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 154.166626][ C1] [ 154.168934][ C1] Uninit was stored to memory at: [ 154.173941][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.179669][ C1] __msan_chain_origin+0x54/0xa0 [ 154.184607][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.189201][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.194319][ C1] geneve_xmit+0x2139/0x3c40 [ 154.198913][ C1] xmit_one+0x2b6/0x760 [ 154.203072][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.208100][ C1] dev_queue_xmit+0x4b/0x60 [ 154.212733][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.217600][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.222516][ C1] __sys_sendmsg+0x714/0x830 [ 154.227134][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.231820][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.236588][ C1] do_syscall_64+0x9f/0x140 [ 154.241114][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.247017][ C1] [ 154.249329][ C1] Uninit was created at: [ 154.253550][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.259279][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.263971][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.269867][ C1] __alloc_skb+0x4dd/0xe90 [ 154.274280][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.279479][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.284681][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.289550][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.294400][ C1] __sys_sendmsg+0x714/0x830 [ 154.298991][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.303665][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.308428][ C1] do_syscall_64+0x9f/0x140 [ 154.312932][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.318824][ C1] ===================================================== [ 154.325994][ C1] ===================================================== [ 154.326006][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 154.326041][ C1] CPU: 1 PID: 8428 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.326066][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.326081][ C1] Call Trace: [ 154.326090][ C1] [ 154.326099][ C1] dump_stack+0x24c/0x2e0 [ 154.326146][ C1] kmsan_report+0xfb/0x1e0 [ 154.326175][ C1] __msan_warning+0x5c/0xa0 [ 154.326202][ C1] ip_rcv_core+0xf5d/0x1480 [ 154.326233][ C1] ip_rcv+0xc7/0x820 [ 154.326262][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.326295][ C1] __netif_receive_skb+0x1ec/0x640 [ 154.326328][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.403979][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 154.409643][ C1] process_backlog+0x517/0xbd0 [ 154.414435][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.419743][ C1] __napi_poll+0x13e/0xca0 [ 154.424302][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.430388][ C1] net_rx_action+0x726/0x14a0 [ 154.435180][ C1] ? net_tx_action+0xd30/0xd30 [ 154.439930][ C1] __do_softirq+0x1b9/0x715 [ 154.444429][ C1] ? idle_cpu+0x9a/0x1d0 [ 154.448667][ C1] ? __irq_exit_rcu+0x83/0x280 [ 154.453439][ C1] do_softirq+0x123/0x1c0 [ 154.457763][ C1] [ 154.460684][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 154.465845][ C1] local_bh_enable+0x36/0x40 [ 154.470421][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 154.475438][ C1] dev_queue_xmit+0x4b/0x60 [ 154.479927][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.485203][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.490044][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.496159][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.501352][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.506561][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.512175][ C1] ? process_slab+0x13a8/0x1b70 [ 154.517016][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.522810][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.528880][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.533758][ C1] ? packet_getsockopt+0x1120/0x1120 [ 154.539033][ C1] __sys_sendmsg+0x714/0x830 [ 154.543615][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.549234][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 154.555202][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.560389][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.565054][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.569816][ C1] do_syscall_64+0x9f/0x140 [ 154.574309][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.580214][ C1] RIP: 0033:0x449979 [ 154.584095][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 154.603710][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.612115][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 154.620095][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 154.628073][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 154.636045][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 154.644001][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 154.651979][ C1] [ 154.654285][ C1] Uninit was stored to memory at: [ 154.659321][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 154.665030][ C1] __msan_chain_origin+0x54/0xa0 [ 154.669958][ C1] iptunnel_xmit+0xbd6/0xf20 [ 154.674568][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 154.679691][ C1] geneve_xmit+0x2139/0x3c40 [ 154.684269][ C1] xmit_one+0x2b6/0x760 [ 154.688411][ C1] __dev_queue_xmit+0x3432/0x4600 [ 154.693423][ C1] dev_queue_xmit+0x4b/0x60 [ 154.697913][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.702754][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.707591][ C1] __sys_sendmsg+0x714/0x830 [ 154.712166][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.716828][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.721603][ C1] do_syscall_64+0x9f/0x140 [ 154.726227][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.732105][ C1] [ 154.734414][ C1] Uninit was created at: [ 154.738644][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.744399][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 154.749067][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 154.754986][ C1] __alloc_skb+0x4dd/0xe90 [ 154.759393][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 154.764607][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 154.769793][ C1] packet_sendmsg+0x6a12/0x99d0 [ 154.774631][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 154.779474][ C1] __sys_sendmsg+0x714/0x830 [ 154.784061][ C1] __se_sys_sendmsg+0x97/0xb0 [ 154.788748][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 154.793503][ C1] do_syscall_64+0x9f/0x140 [ 154.798048][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.803939][ C1] ===================================================== [ 154.810992][ C1] ===================================================== [ 154.817968][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 154.824932][ C1] CPU: 1 PID: 8428 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.835120][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.845186][ C1] Call Trace: [ 154.848470][ C1] [ 154.851319][ C1] dump_stack+0x24c/0x2e0 [ 154.855677][ C1] kmsan_report+0xfb/0x1e0 [ 154.860114][ C1] __msan_warning+0x5c/0xa0 [ 154.864635][ C1] ip_rcv_core+0x1068/0x1480 [ 154.869251][ C1] ip_rcv+0xc7/0x820 [ 154.873167][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.878387][ C1] __netif_receive_skb+0x1ec/0x640 [ 154.883514][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.889131][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 154.894769][ C1] process_backlog+0x517/0xbd0 [ 154.899547][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 154.904824][ C1] __napi_poll+0x13e/0xca0 [ 154.909320][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.915406][ C1] net_rx_action+0x726/0x14a0 [ 154.920075][ C1] ? net_tx_action+0xd30/0xd30 [ 154.924824][ C1] __do_softirq+0x1b9/0x715 [ 154.929313][ C1] ? idle_cpu+0x9a/0x1d0 [ 154.933544][ C1] ? __irq_exit_rcu+0x83/0x280 [ 154.938295][ C1] do_softirq+0x123/0x1c0 [ 154.942617][ C1] [ 154.945547][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 154.950564][ C1] local_bh_enable+0x36/0x40 [ 154.955167][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 154.960183][ C1] dev_queue_xmit+0x4b/0x60 [ 154.964675][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 154.969949][ C1] packet_sendmsg+0x86ee/0x99d0 [ 154.974796][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.980875][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.986064][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.991248][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.996869][ C1] ? process_slab+0x13a8/0x1b70 [ 155.001711][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.007502][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.013561][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.018400][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.023779][ C1] __sys_sendmsg+0x714/0x830 [ 155.028359][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.033985][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.039975][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.045159][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.049821][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.054570][ C1] do_syscall_64+0x9f/0x140 [ 155.059085][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.064966][ C1] RIP: 0033:0x449979 [ 155.068861][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 155.088450][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.096850][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 155.104808][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 155.112763][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 155.120716][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 155.128675][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 155.136640][ C1] [ 155.138961][ C1] Uninit was stored to memory at: [ 155.143984][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.149696][ C1] __msan_chain_origin+0x54/0xa0 [ 155.154617][ C1] __ip_local_out+0x479/0x840 [ 155.159279][ C1] ip_local_out+0xa1/0x1e0 [ 155.163680][ C1] iptunnel_xmit+0x931/0xf20 [ 155.168362][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.173462][ C1] geneve_xmit+0x2139/0x3c40 [ 155.178134][ C1] xmit_one+0x2b6/0x760 [ 155.182278][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.187299][ C1] dev_queue_xmit+0x4b/0x60 [ 155.191812][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.196681][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.201520][ C1] __sys_sendmsg+0x714/0x830 [ 155.206097][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.210760][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.215512][ C1] do_syscall_64+0x9f/0x140 [ 155.220004][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.225886][ C1] [ 155.228195][ C1] Uninit was stored to memory at: [ 155.233197][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.238909][ C1] __msan_chain_origin+0x54/0xa0 [ 155.243843][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.248454][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.253590][ C1] geneve_xmit+0x2139/0x3c40 [ 155.258172][ C1] xmit_one+0x2b6/0x760 [ 155.262323][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.267367][ C1] dev_queue_xmit+0x4b/0x60 [ 155.271857][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.276694][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.281530][ C1] __sys_sendmsg+0x714/0x830 [ 155.286109][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.290773][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.295522][ C1] do_syscall_64+0x9f/0x140 [ 155.300012][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.305892][ C1] [ 155.308200][ C1] Uninit was created at: [ 155.312427][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.318140][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.322803][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.328687][ C1] __alloc_skb+0x4dd/0xe90 [ 155.333088][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.338274][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.343480][ C1] packet_sendmsg+0x6a12/0x99d0 executing program [ 155.348318][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.353162][ C1] __sys_sendmsg+0x714/0x830 [ 155.357739][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.362449][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.367202][ C1] do_syscall_64+0x9f/0x140 [ 155.371693][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.377574][ C1] ===================================================== [ 155.414543][ C1] ===================================================== [ 155.421542][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 155.428420][ C1] CPU: 1 PID: 8430 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.438697][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.448763][ C1] Call Trace: [ 155.452065][ C1] [ 155.454917][ C1] dump_stack+0x24c/0x2e0 [ 155.459269][ C1] kmsan_report+0xfb/0x1e0 [ 155.463711][ C1] __msan_warning+0x5c/0xa0 [ 155.468232][ C1] ip_rcv_core+0xf4c/0x1480 [ 155.472763][ C1] ip_rcv+0xc7/0x820 [ 155.476683][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.481906][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.487040][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.492766][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 155.498452][ C1] process_backlog+0x517/0xbd0 [ 155.503207][ C1] ? swake_up_one+0x2a2/0x390 [ 155.507878][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 155.513340][ C1] __napi_poll+0x13e/0xca0 [ 155.517753][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.523839][ C1] net_rx_action+0x726/0x14a0 [ 155.528523][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.534328][ C1] ? net_tx_action+0xd30/0xd30 [ 155.539125][ C1] __do_softirq+0x1b9/0x715 [ 155.543620][ C1] ? idle_cpu+0x9a/0x1d0 [ 155.547863][ C1] ? __irq_exit_rcu+0x83/0x280 [ 155.552632][ C1] do_softirq+0x123/0x1c0 [ 155.556985][ C1] [ 155.559919][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 155.564934][ C1] local_bh_enable+0x36/0x40 [ 155.569522][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 155.574546][ C1] dev_queue_xmit+0x4b/0x60 [ 155.579037][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 155.584319][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.589162][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.595239][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.600423][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.605612][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.611230][ C1] ? process_slab+0x13a8/0x1b70 [ 155.616077][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.621870][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.627929][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.632770][ C1] ? packet_getsockopt+0x1120/0x1120 [ 155.638042][ C1] __sys_sendmsg+0x714/0x830 [ 155.642625][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 155.648590][ C1] ? up_read+0x40/0x2b0 [ 155.652734][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.658076][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.663876][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.669089][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.673756][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.678508][ C1] do_syscall_64+0x9f/0x140 [ 155.683017][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.688905][ C1] RIP: 0033:0x449979 [ 155.692785][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 155.712385][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.720820][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 155.728777][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 155.736733][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 155.744689][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 155.752666][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 155.760630][ C1] [ 155.762938][ C1] Uninit was stored to memory at: [ 155.767935][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 155.773642][ C1] __msan_chain_origin+0x54/0xa0 [ 155.778567][ C1] iptunnel_xmit+0xbd6/0xf20 [ 155.783180][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 155.788332][ C1] geneve_xmit+0x2139/0x3c40 [ 155.792911][ C1] xmit_one+0x2b6/0x760 [ 155.797056][ C1] __dev_queue_xmit+0x3432/0x4600 [ 155.802084][ C1] dev_queue_xmit+0x4b/0x60 [ 155.806573][ C1] packet_sendmsg+0x86ee/0x99d0 [ 155.811409][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.816245][ C1] __sys_sendmsg+0x714/0x830 [ 155.820821][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.825484][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.830233][ C1] do_syscall_64+0x9f/0x140 [ 155.834722][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.840601][ C1] [ 155.842909][ C1] Uninit was created at: [ 155.847124][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 155.852833][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 155.857493][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 155.863377][ C1] __alloc_skb+0x4dd/0xe90 [ 155.867777][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 155.872976][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 155.878166][ C1] packet_sendmsg+0x6a12/0x99d0 [ 155.883004][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 155.887840][ C1] __sys_sendmsg+0x714/0x830 [ 155.892416][ C1] __se_sys_sendmsg+0x97/0xb0 [ 155.897078][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 155.901829][ C1] do_syscall_64+0x9f/0x140 [ 155.906364][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.912247][ C1] ===================================================== [ 155.919499][ C1] ===================================================== [ 155.926451][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 155.933324][ C1] CPU: 1 PID: 8430 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.943487][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.953549][ C1] Call Trace: [ 155.956832][ C1] [ 155.959680][ C1] dump_stack+0x24c/0x2e0 [ 155.964033][ C1] kmsan_report+0xfb/0x1e0 [ 155.968478][ C1] __msan_warning+0x5c/0xa0 [ 155.973001][ C1] ip_rcv_core+0xf5d/0x1480 [ 155.977531][ C1] ip_rcv+0xc7/0x820 [ 155.981443][ C1] ? kmsan_get_metadata+0x116/0x180 [ 155.986663][ C1] __netif_receive_skb+0x1ec/0x640 [ 155.991794][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 155.997444][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 156.003100][ C1] process_backlog+0x517/0xbd0 [ 156.007889][ C1] ? swake_up_one+0x2a2/0x390 [ 156.012591][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.017864][ C1] __napi_poll+0x13e/0xca0 [ 156.022270][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.028326][ C1] net_rx_action+0x726/0x14a0 [ 156.032989][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.038784][ C1] ? net_tx_action+0xd30/0xd30 [ 156.043550][ C1] __do_softirq+0x1b9/0x715 [ 156.048042][ C1] ? idle_cpu+0x9a/0x1d0 [ 156.052283][ C1] ? __irq_exit_rcu+0x83/0x280 [ 156.057033][ C1] do_softirq+0x123/0x1c0 [ 156.061357][ C1] [ 156.064274][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 156.069319][ C1] local_bh_enable+0x36/0x40 [ 156.073914][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 156.078947][ C1] dev_queue_xmit+0x4b/0x60 [ 156.083454][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.088741][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.093598][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.099666][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.104864][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.110065][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.115694][ C1] ? process_slab+0x13a8/0x1b70 [ 156.120551][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.126358][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.132435][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.137293][ C1] ? packet_getsockopt+0x1120/0x1120 [ 156.142583][ C1] __sys_sendmsg+0x714/0x830 [ 156.147178][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 156.153161][ C1] ? up_read+0x40/0x2b0 [ 156.157319][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.162516][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.168323][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.173524][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.178203][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.182969][ C1] do_syscall_64+0x9f/0x140 [ 156.187495][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.193400][ C1] RIP: 0033:0x449979 [ 156.197290][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 156.216901][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.225334][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 156.233327][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 156.241300][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 156.249287][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 156.257261][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 156.265241][ C1] [ 156.267554][ C1] Uninit was stored to memory at: [ 156.272558][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.278281][ C1] __msan_chain_origin+0x54/0xa0 [ 156.283219][ C1] iptunnel_xmit+0xbd6/0xf20 [ 156.287814][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.292934][ C1] geneve_xmit+0x2139/0x3c40 [ 156.297544][ C1] xmit_one+0x2b6/0x760 [ 156.301701][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.306727][ C1] dev_queue_xmit+0x4b/0x60 [ 156.311233][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.316093][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.320948][ C1] __sys_sendmsg+0x714/0x830 [ 156.325572][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.330262][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.335151][ C1] do_syscall_64+0x9f/0x140 [ 156.339656][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.345550][ C1] [ 156.347866][ C1] Uninit was created at: [ 156.352097][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.357824][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 156.362499][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 156.368397][ C1] __alloc_skb+0x4dd/0xe90 [ 156.372816][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 156.378016][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.383220][ C1] packet_sendmsg+0x6a12/0x99d0 [ 156.388070][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.392929][ C1] __sys_sendmsg+0x714/0x830 [ 156.397540][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.402229][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.406992][ C1] do_syscall_64+0x9f/0x140 [ 156.411494][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.417388][ C1] ===================================================== [ 156.424440][ C1] ===================================================== [ 156.431376][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 156.438345][ C1] CPU: 1 PID: 8430 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.448516][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.458579][ C1] Call Trace: [ 156.461865][ C1] [ 156.464727][ C1] dump_stack+0x24c/0x2e0 [ 156.469083][ C1] kmsan_report+0xfb/0x1e0 [ 156.473523][ C1] __msan_warning+0x5c/0xa0 [ 156.478046][ C1] ip_rcv_core+0x1068/0x1480 [ 156.482665][ C1] ip_rcv+0xc7/0x820 [ 156.486582][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.491822][ C1] __netif_receive_skb+0x1ec/0x640 [ 156.496954][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.502639][ C1] ? ip_local_deliver_finish+0x370/0x370 [ 156.508291][ C1] process_backlog+0x517/0xbd0 [ 156.513049][ C1] ? swake_up_one+0x2a2/0x390 [ 156.517755][ C1] ? rps_trigger_softirq+0x4d0/0x4d0 [ 156.523054][ C1] __napi_poll+0x13e/0xca0 [ 156.527528][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.533584][ C1] net_rx_action+0x726/0x14a0 [ 156.539375][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.545172][ C1] ? net_tx_action+0xd30/0xd30 [ 156.550117][ C1] __do_softirq+0x1b9/0x715 [ 156.554751][ C1] ? idle_cpu+0x9a/0x1d0 [ 156.559019][ C1] ? __irq_exit_rcu+0x83/0x280 [ 156.563772][ C1] do_softirq+0x123/0x1c0 [ 156.568097][ C1] [ 156.571022][ C1] __local_bh_enable_ip+0xa1/0xb0 [ 156.576041][ C1] local_bh_enable+0x36/0x40 [ 156.580622][ C1] __dev_queue_xmit+0x3b4a/0x4600 [ 156.585641][ C1] dev_queue_xmit+0x4b/0x60 [ 156.590135][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 156.595409][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.600252][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.606317][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.611540][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.616852][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 156.622513][ C1] ? process_slab+0x13a8/0x1b70 [ 156.627402][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.633198][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.639257][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.644099][ C1] ? packet_getsockopt+0x1120/0x1120 [ 156.649373][ C1] __sys_sendmsg+0x714/0x830 [ 156.653953][ C1] ? __msan_instrument_asm_store+0x107/0x130 [ 156.659917][ C1] ? up_read+0x40/0x2b0 [ 156.664063][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.669245][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.675038][ C1] ? kmsan_get_metadata+0x116/0x180 [ 156.680224][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.684895][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.689672][ C1] do_syscall_64+0x9f/0x140 [ 156.694165][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.700043][ C1] RIP: 0033:0x449979 [ 156.703921][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 156.723514][ C1] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.731924][ C1] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 156.739926][ C1] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 156.747884][ C1] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 156.755840][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 156.763797][ C1] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 156.771760][ C1] [ 156.774065][ C1] Uninit was stored to memory at: [ 156.779068][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.784808][ C1] __msan_chain_origin+0x54/0xa0 [ 156.789755][ C1] __ip_local_out+0x479/0x840 [ 156.794422][ C1] ip_local_out+0xa1/0x1e0 [ 156.798824][ C1] iptunnel_xmit+0x931/0xf20 [ 156.803400][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.808500][ C1] geneve_xmit+0x2139/0x3c40 [ 156.813096][ C1] xmit_one+0x2b6/0x760 [ 156.817243][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.822282][ C1] dev_queue_xmit+0x4b/0x60 [ 156.826776][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.831614][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.836456][ C1] __sys_sendmsg+0x714/0x830 [ 156.841060][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.845751][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.850529][ C1] do_syscall_64+0x9f/0x140 [ 156.855033][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.860931][ C1] [ 156.863235][ C1] Uninit was stored to memory at: [ 156.868231][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 156.873938][ C1] __msan_chain_origin+0x54/0xa0 [ 156.878858][ C1] iptunnel_xmit+0xbd6/0xf20 [ 156.883435][ C1] udp_tunnel_xmit_skb+0x526/0x640 [ 156.888535][ C1] geneve_xmit+0x2139/0x3c40 [ 156.893131][ C1] xmit_one+0x2b6/0x760 [ 156.897274][ C1] __dev_queue_xmit+0x3432/0x4600 [ 156.902290][ C1] dev_queue_xmit+0x4b/0x60 [ 156.906782][ C1] packet_sendmsg+0x86ee/0x99d0 [ 156.911617][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.916451][ C1] __sys_sendmsg+0x714/0x830 [ 156.921024][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.925685][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 156.930434][ C1] do_syscall_64+0x9f/0x140 [ 156.934922][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.940799][ C1] [ 156.943104][ C1] Uninit was created at: [ 156.947319][ C1] kmsan_internal_poison_shadow+0x5c/0xf0 [ 156.953028][ C1] kmsan_slab_alloc+0x8e/0xe0 [ 156.957691][ C1] __kmalloc_node_track_caller+0xa4f/0x1470 [ 156.963575][ C1] __alloc_skb+0x4dd/0xe90 executing program [ 156.967977][ C1] alloc_skb_with_frags+0x1f3/0xc10 [ 156.973190][ C1] sock_alloc_send_pskb+0xdc1/0xf90 [ 156.978379][ C1] packet_sendmsg+0x6a12/0x99d0 [ 156.983243][ C1] ____sys_sendmsg+0xcfc/0x12f0 [ 156.988079][ C1] __sys_sendmsg+0x714/0x830 [ 156.992653][ C1] __se_sys_sendmsg+0x97/0xb0 [ 156.997313][ C1] __x64_sys_sendmsg+0x4a/0x70 [ 157.002129][ C1] do_syscall_64+0x9f/0x140 [ 157.006619][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.012497][ C1] ===================================================== [ 157.044237][ C0] ===================================================== [ 157.051204][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 157.058079][ C0] CPU: 0 PID: 8432 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.068243][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.078309][ C0] Call Trace: [ 157.081593][ C0] [ 157.084442][ C0] dump_stack+0x24c/0x2e0 [ 157.088803][ C0] kmsan_report+0xfb/0x1e0 [ 157.093241][ C0] __msan_warning+0x5c/0xa0 [ 157.097774][ C0] ip_rcv_core+0xf4c/0x1480 [ 157.102301][ C0] ip_rcv+0xc7/0x820 [ 157.106219][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.111434][ C0] __netif_receive_skb+0x1ec/0x640 [ 157.116636][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.122256][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 157.127881][ C0] process_backlog+0x517/0xbd0 [ 157.132649][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.137918][ C0] __napi_poll+0x13e/0xca0 [ 157.142318][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.148378][ C0] net_rx_action+0x726/0x14a0 [ 157.153069][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.158887][ C0] ? net_tx_action+0xd30/0xd30 [ 157.163636][ C0] __do_softirq+0x1b9/0x715 [ 157.168125][ C0] ? idle_cpu+0x9a/0x1d0 [ 157.172360][ C0] ? __irq_exit_rcu+0x83/0x280 [ 157.177139][ C0] do_softirq+0x123/0x1c0 [ 157.181457][ C0] [ 157.184386][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 157.189421][ C0] local_bh_enable+0x36/0x40 [ 157.194010][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 157.199029][ C0] dev_queue_xmit+0x4b/0x60 [ 157.203519][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.208920][ C0] packet_sendmsg+0x86ee/0x99d0 [ 157.213770][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.219858][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.225040][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.230237][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.235860][ C0] ? process_slab+0x13a8/0x1b70 [ 157.240703][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.246498][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.252559][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 157.257406][ C0] ? packet_getsockopt+0x1120/0x1120 [ 157.262689][ C0] __sys_sendmsg+0x714/0x830 [ 157.267272][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 157.273240][ C0] ? up_read+0x40/0x2b0 [ 157.277533][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.282724][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.288518][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.293759][ C0] __se_sys_sendmsg+0x97/0xb0 [ 157.298428][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 157.303195][ C0] do_syscall_64+0x9f/0x140 [ 157.307694][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.313593][ C0] RIP: 0033:0x449979 [ 157.317570][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 157.337448][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.345893][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 157.353853][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 157.361818][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 157.369796][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 157.377775][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 157.385760][ C0] [ 157.388066][ C0] Uninit was stored to memory at: [ 157.393065][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 157.398779][ C0] __msan_chain_origin+0x54/0xa0 [ 157.403712][ C0] iptunnel_xmit+0xbd6/0xf20 [ 157.408297][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 157.413458][ C0] geneve_xmit+0x2139/0x3c40 [ 157.418039][ C0] xmit_one+0x2b6/0x760 [ 157.422182][ C0] __dev_queue_xmit+0x3432/0x4600 [ 157.427238][ C0] dev_queue_xmit+0x4b/0x60 [ 157.431750][ C0] packet_sendmsg+0x86ee/0x99d0 [ 157.436590][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 157.441427][ C0] __sys_sendmsg+0x714/0x830 [ 157.446002][ C0] __se_sys_sendmsg+0x97/0xb0 [ 157.450683][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 157.455432][ C0] do_syscall_64+0x9f/0x140 [ 157.459921][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.465807][ C0] [ 157.468113][ C0] Uninit was created at: [ 157.472344][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.478055][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 157.482715][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.488598][ C0] __alloc_skb+0x4dd/0xe90 [ 157.492997][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 157.498186][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 157.503398][ C0] packet_sendmsg+0x6a12/0x99d0 [ 157.508232][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 157.513070][ C0] __sys_sendmsg+0x714/0x830 [ 157.517662][ C0] __se_sys_sendmsg+0x97/0xb0 [ 157.522360][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 157.527111][ C0] do_syscall_64+0x9f/0x140 [ 157.531601][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.537610][ C0] ===================================================== [ 157.544757][ C0] ===================================================== [ 157.551715][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf5d/0x1480 [ 157.558588][ C0] CPU: 0 PID: 8432 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.568755][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.578817][ C0] Call Trace: [ 157.582101][ C0] [ 157.584948][ C0] dump_stack+0x24c/0x2e0 [ 157.589306][ C0] kmsan_report+0xfb/0x1e0 [ 157.593746][ C0] __msan_warning+0x5c/0xa0 [ 157.598265][ C0] ip_rcv_core+0xf5d/0x1480 [ 157.602791][ C0] ip_rcv+0xc7/0x820 [ 157.606704][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.611931][ C0] __netif_receive_skb+0x1ec/0x640 [ 157.617062][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.622711][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 157.628332][ C0] process_backlog+0x517/0xbd0 [ 157.633083][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 157.638354][ C0] __napi_poll+0x13e/0xca0 [ 157.642761][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.648843][ C0] net_rx_action+0x726/0x14a0 [ 157.653505][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.659301][ C0] ? net_tx_action+0xd30/0xd30 [ 157.664050][ C0] __do_softirq+0x1b9/0x715 [ 157.668540][ C0] ? idle_cpu+0x9a/0x1d0 [ 157.672770][ C0] ? __irq_exit_rcu+0x83/0x280 [ 157.677520][ C0] do_softirq+0x123/0x1c0 [ 157.681840][ C0] [ 157.684780][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 157.689792][ C0] local_bh_enable+0x36/0x40 [ 157.694387][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 157.699424][ C0] dev_queue_xmit+0x4b/0x60 [ 157.703915][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 157.709201][ C0] packet_sendmsg+0x86ee/0x99d0 [ 157.714043][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.720119][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.725305][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.730487][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 157.736104][ C0] ? process_slab+0x13a8/0x1b70 [ 157.740942][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.746778][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 157.752965][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 157.757805][ C0] ? packet_getsockopt+0x1120/0x1120 [ 157.763081][ C0] __sys_sendmsg+0x714/0x830 [ 157.767683][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 157.773649][ C0] ? up_read+0x40/0x2b0 [ 157.777796][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.782997][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.788791][ C0] ? kmsan_get_metadata+0x116/0x180 [ 157.793978][ C0] __se_sys_sendmsg+0x97/0xb0 [ 157.798676][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 157.803430][ C0] do_syscall_64+0x9f/0x140 [ 157.807920][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.813803][ C0] RIP: 0033:0x449979 [ 157.817682][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 157.837282][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.845692][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 157.853647][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 157.861603][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 157.869573][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 157.877554][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 157.885532][ C0] [ 157.887839][ C0] Uninit was stored to memory at: [ 157.892836][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 157.898645][ C0] __msan_chain_origin+0x54/0xa0 [ 157.903581][ C0] iptunnel_xmit+0xbd6/0xf20 [ 157.908191][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 157.913404][ C0] geneve_xmit+0x2139/0x3c40 [ 157.917982][ C0] xmit_one+0x2b6/0x760 [ 157.922122][ C0] __dev_queue_xmit+0x3432/0x4600 [ 157.927133][ C0] dev_queue_xmit+0x4b/0x60 [ 157.931622][ C0] packet_sendmsg+0x86ee/0x99d0 [ 157.936457][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 157.941295][ C0] __sys_sendmsg+0x714/0x830 [ 157.945912][ C0] __se_sys_sendmsg+0x97/0xb0 [ 157.950613][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 157.955367][ C0] do_syscall_64+0x9f/0x140 [ 157.959875][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.965862][ C0] [ 157.968164][ C0] Uninit was created at: [ 157.972377][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 157.978086][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 157.982745][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 157.988644][ C0] __alloc_skb+0x4dd/0xe90 [ 157.993062][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 157.998246][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 158.003450][ C0] packet_sendmsg+0x6a12/0x99d0 [ 158.008288][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.013123][ C0] __sys_sendmsg+0x714/0x830 [ 158.017697][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.022360][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.027114][ C0] do_syscall_64+0x9f/0x140 [ 158.031634][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.037539][ C0] ===================================================== [ 158.044750][ C0] ===================================================== [ 158.051702][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0x1068/0x1480 [ 158.058666][ C0] CPU: 0 PID: 8432 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.068843][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.078908][ C0] Call Trace: [ 158.082198][ C0] [ 158.085049][ C0] dump_stack+0x24c/0x2e0 [ 158.089407][ C0] kmsan_report+0xfb/0x1e0 [ 158.093842][ C0] __msan_warning+0x5c/0xa0 [ 158.098364][ C0] ip_rcv_core+0x1068/0x1480 [ 158.102977][ C0] ip_rcv+0xc7/0x820 [ 158.106900][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.112138][ C0] __netif_receive_skb+0x1ec/0x640 [ 158.117273][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.122941][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 158.128564][ C0] process_backlog+0x517/0xbd0 [ 158.133317][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 158.138607][ C0] __napi_poll+0x13e/0xca0 [ 158.143011][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.149065][ C0] net_rx_action+0x726/0x14a0 [ 158.153726][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.159522][ C0] ? net_tx_action+0xd30/0xd30 [ 158.164269][ C0] __do_softirq+0x1b9/0x715 [ 158.168759][ C0] ? idle_cpu+0x9a/0x1d0 [ 158.172990][ C0] ? __irq_exit_rcu+0x83/0x280 [ 158.177771][ C0] do_softirq+0x123/0x1c0 [ 158.182088][ C0] [ 158.185004][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 158.190017][ C0] local_bh_enable+0x36/0x40 [ 158.194596][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 158.199611][ C0] dev_queue_xmit+0x4b/0x60 [ 158.204102][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 158.209460][ C0] packet_sendmsg+0x86ee/0x99d0 [ 158.214321][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.220376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.225561][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.230753][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.236484][ C0] ? process_slab+0x13a8/0x1b70 [ 158.241327][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.247152][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.253244][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.258091][ C0] ? packet_getsockopt+0x1120/0x1120 [ 158.263390][ C0] __sys_sendmsg+0x714/0x830 [ 158.267972][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 158.273960][ C0] ? up_read+0x40/0x2b0 [ 158.278103][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.283305][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.289097][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.294283][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.298951][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.303721][ C0] do_syscall_64+0x9f/0x140 [ 158.308213][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.314095][ C0] RIP: 0033:0x449979 [ 158.317972][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 158.337570][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.346040][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 158.354019][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 158.361993][ C0] RBP: 00000000004cf4c0 R08: 0000000000000000 R09: 0000000000000000 [ 158.369956][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0e86837c4a422d1a [ 158.377916][ C0] R13: 00007ffd0e578b3f R14: 00007f520ad92400 R15: 0000000000022000 [ 158.385912][ C0] [ 158.388251][ C0] Uninit was stored to memory at: [ 158.393264][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 158.400889][ C0] __msan_chain_origin+0x54/0xa0 [ 158.405852][ C0] __ip_local_out+0x479/0x840 [ 158.410515][ C0] ip_local_out+0xa1/0x1e0 [ 158.414957][ C0] iptunnel_xmit+0x931/0xf20 [ 158.419537][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 158.424686][ C0] geneve_xmit+0x2139/0x3c40 [ 158.429321][ C0] xmit_one+0x2b6/0x760 [ 158.433466][ C0] __dev_queue_xmit+0x3432/0x4600 [ 158.438527][ C0] dev_queue_xmit+0x4b/0x60 [ 158.443020][ C0] packet_sendmsg+0x86ee/0x99d0 [ 158.447949][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.452816][ C0] __sys_sendmsg+0x714/0x830 [ 158.457390][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.462097][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.466849][ C0] do_syscall_64+0x9f/0x140 [ 158.471340][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.477216][ C0] [ 158.479518][ C0] Uninit was stored to memory at: [ 158.484517][ C0] kmsan_internal_chain_origin+0xad/0x130 [ 158.490263][ C0] __msan_chain_origin+0x54/0xa0 [ 158.495186][ C0] iptunnel_xmit+0xbd6/0xf20 [ 158.499762][ C0] udp_tunnel_xmit_skb+0x526/0x640 [ 158.504862][ C0] geneve_xmit+0x2139/0x3c40 [ 158.509441][ C0] xmit_one+0x2b6/0x760 [ 158.513584][ C0] __dev_queue_xmit+0x3432/0x4600 [ 158.518594][ C0] dev_queue_xmit+0x4b/0x60 [ 158.523084][ C0] packet_sendmsg+0x86ee/0x99d0 [ 158.527923][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.532770][ C0] __sys_sendmsg+0x714/0x830 [ 158.537375][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.542063][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.546811][ C0] do_syscall_64+0x9f/0x140 [ 158.551300][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.557178][ C0] [ 158.559483][ C0] Uninit was created at: [ 158.563703][ C0] kmsan_internal_poison_shadow+0x5c/0xf0 [ 158.569454][ C0] kmsan_slab_alloc+0x8e/0xe0 [ 158.574142][ C0] __kmalloc_node_track_caller+0xa4f/0x1470 [ 158.580021][ C0] __alloc_skb+0x4dd/0xe90 [ 158.584424][ C0] alloc_skb_with_frags+0x1f3/0xc10 [ 158.589621][ C0] sock_alloc_send_pskb+0xdc1/0xf90 [ 158.594807][ C0] packet_sendmsg+0x6a12/0x99d0 executing program [ 158.599644][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.604479][ C0] __sys_sendmsg+0x714/0x830 [ 158.609057][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.613719][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.618467][ C0] do_syscall_64+0x9f/0x140 [ 158.622956][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.628832][ C0] ===================================================== [ 158.672254][ C0] ===================================================== [ 158.679239][ C0] BUG: KMSAN: uninit-value in ip_rcv_core+0xf4c/0x1480 [ 158.686126][ C0] CPU: 0 PID: 8434 Comm: syz-executor985 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.696291][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.706353][ C0] Call Trace: [ 158.709636][ C0] [ 158.712499][ C0] dump_stack+0x24c/0x2e0 [ 158.716853][ C0] kmsan_report+0xfb/0x1e0 [ 158.721303][ C0] __msan_warning+0x5c/0xa0 [ 158.725822][ C0] ip_rcv_core+0xf4c/0x1480 [ 158.730372][ C0] ip_rcv+0xc7/0x820 [ 158.734247][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.739428][ C0] __netif_receive_skb+0x1ec/0x640 [ 158.744548][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.750187][ C0] ? ip_local_deliver_finish+0x370/0x370 [ 158.755829][ C0] process_backlog+0x517/0xbd0 [ 158.760581][ C0] ? rps_trigger_softirq+0x4d0/0x4d0 [ 158.765853][ C0] __napi_poll+0x13e/0xca0 [ 158.770272][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.776326][ C0] net_rx_action+0x726/0x14a0 [ 158.780992][ C0] ? net_tx_action+0xd30/0xd30 [ 158.785739][ C0] __do_softirq+0x1b9/0x715 [ 158.790228][ C0] ? idle_cpu+0x9a/0x1d0 [ 158.794477][ C0] ? __irq_exit_rcu+0x83/0x280 [ 158.799228][ C0] do_softirq+0x123/0x1c0 [ 158.803544][ C0] [ 158.806457][ C0] __local_bh_enable_ip+0xa1/0xb0 [ 158.811466][ C0] local_bh_enable+0x36/0x40 [ 158.816041][ C0] __dev_queue_xmit+0x3b4a/0x4600 [ 158.821056][ C0] dev_queue_xmit+0x4b/0x60 [ 158.825543][ C0] ? netdev_core_pick_tx+0x5a0/0x5a0 [ 158.830834][ C0] packet_sendmsg+0x86ee/0x99d0 [ 158.835670][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.841721][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.846903][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.852091][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.857712][ C0] ? process_slab+0x13a8/0x1b70 [ 158.862550][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.868341][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.874400][ C0] ____sys_sendmsg+0xcfc/0x12f0 [ 158.879236][ C0] ? packet_getsockopt+0x1120/0x1120 [ 158.884507][ C0] __sys_sendmsg+0x714/0x830 [ 158.889085][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 158.894703][ C0] ? __msan_instrument_asm_store+0x107/0x130 [ 158.900671][ C0] ? kmsan_get_metadata+0x116/0x180 [ 158.905853][ C0] __se_sys_sendmsg+0x97/0xb0 [ 158.910512][ C0] __x64_sys_sendmsg+0x4a/0x70 [ 158.915257][ C0] do_syscall_64+0x9f/0x140 [ 158.919747][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.925621][ C0] RIP: 0033:0x449979 [ 158.929494][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 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 b8 ff ff ff f7 d8 64 89 01 48 [ 158.949082][ C0] RSP: 002b:00007f520ad92318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.957477][ C0] RAX: ffffffffffffffda RBX: 00000000004cf4c8 RCX: 0000000000449979 [ 158.965432][ C0] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003