[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 29.758076] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 30.411240] random: sshd: uninitialized urandom read (32 bytes read) [ 30.715729] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 31.857797] random: sshd: uninitialized urandom read (32 bytes read) [ 803.933192] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. [ 809.484964] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/19 09:20:53 parsed 1 programs [ 810.592963] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/19 09:20:54 executed programs: 0 [ 811.693119] IPVS: ftp: loaded support on port[0] = 21 [ 811.904999] ip (4549) used greatest stack depth: 54328 bytes left [ 811.948881] bridge0: port 1(bridge_slave_0) entered blocking state [ 811.955306] bridge0: port 1(bridge_slave_0) entered disabled state [ 811.962543] device bridge_slave_0 entered promiscuous mode [ 811.982422] bridge0: port 2(bridge_slave_1) entered blocking state [ 811.988823] bridge0: port 2(bridge_slave_1) entered disabled state [ 811.995933] device bridge_slave_1 entered promiscuous mode [ 812.015705] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 812.035811] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 812.090590] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 812.113500] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 812.185878] ip (4580) used greatest stack depth: 54056 bytes left [ 812.198531] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 812.205680] team0: Port device team_slave_0 added [ 812.224588] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 812.231840] team0: Port device team_slave_1 added [ 812.251279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 812.273342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 812.295278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 812.317563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 812.478668] bridge0: port 2(bridge_slave_1) entered blocking state [ 812.485107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 812.491839] bridge0: port 1(bridge_slave_0) entered blocking state [ 812.498210] bridge0: port 1(bridge_slave_0) entered forwarding state [ 813.101522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 813.161980] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 813.222602] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 813.228812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 813.236703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 813.290087] 8021q: adding VLAN 0 to HW filter on device team0 2018/06/19 09:20:59 executed programs: 110 2018/06/19 09:21:04 executed programs: 278 [ 824.607401] not chained 10000 origins [ 824.611296] CPU: 1 PID: 2599 Comm: udevd Not tainted 4.17.0+ #9 [ 824.617339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 824.626689] Call Trace: [ 824.629272] [ 824.631574] dump_stack+0x185/0x1d0 [ 824.635335] kmsan_internal_chain_origin+0x1ff/0x210 [ 824.640465] ? ip_tunnel_xmit+0x3422/0x37c0 [ 824.644794] ? kmsan_set_origin_inline+0x6b/0x120 [ 824.649628] ? __msan_poison_alloca+0x15c/0x1d0 [ 824.654371] ? validate_xmit_skb+0xfea/0x1320 [ 824.658874] ? kmsan_set_origin_inline+0x6b/0x120 [ 824.663721] ? __msan_poison_alloca+0x15c/0x1d0 [ 824.668393] ? __dev_queue_xmit+0x2ad2/0x3540 [ 824.672894] __msan_chain_origin+0x69/0xc0 [ 824.677136] dev_hard_start_xmit+0x679/0xc80 [ 824.681555] __dev_queue_xmit+0x2ad2/0x3540 [ 824.685877] dev_queue_xmit+0x4b/0x60 [ 824.689762] neigh_direct_output+0x42/0x50 [ 824.694028] ? neigh_connected_output+0x710/0x710 [ 824.698904] ip_finish_output2+0x1354/0x1480 [ 824.703312] ip_finish_output+0xcbc/0x1000 [ 824.707552] ip_output+0x505/0x5d0 [ 824.711096] ? ip_mc_finish_output+0x3b0/0x3b0 [ 824.715679] ? ip_finish_output+0x1000/0x1000 [ 824.720175] ip_queue_xmit+0x1b0f/0x1d00 [ 824.724245] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 824.729689] ? __skb_clone+0x6ec/0x990 [ 824.733561] ? ip_output+0x5d0/0x5d0 [ 824.737330] tcp_transmit_skb+0x3db5/0x5350 [ 824.741667] __tcp_retransmit_skb+0x2fd6/0x4100 [ 824.746350] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 824.751820] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 824.757322] ? bictcp_state+0x1ba/0x2a0 [ 824.761286] tcp_retransmit_skb+0xa6/0x480 [ 824.765514] tcp_retransmit_timer+0x21f9/0x4280 [ 824.770192] tcp_write_timer_handler+0x5c2/0xef0 [ 824.775044] ? call_timer_fn+0x280/0x5d0 [ 824.779111] tcp_write_timer+0x12b/0x280 [ 824.783177] call_timer_fn+0x280/0x5d0 [ 824.787066] ? tcp_init_xmit_timers+0xd0/0xd0 [ 824.791565] __run_timers+0xd96/0x11b0 [ 824.795450] ? tcp_init_xmit_timers+0xd0/0xd0 [ 824.800021] ? irq_exit+0x202/0x240 [ 824.803665] ? run_timer_softirq+0x14/0x70 [ 824.807903] ? timers_dead_cpu+0x1010/0x1010 [ 824.812320] run_timer_softirq+0x43/0x70 [ 824.816445] __do_softirq+0x592/0x979 [ 824.820237] irq_exit+0x202/0x240 [ 824.823745] exiting_irq+0xe/0x10 [ 824.827202] smp_apic_timer_interrupt+0x64/0x90 [ 824.831875] apic_timer_interrupt+0xf/0x20 [ 824.836101] [ 824.838392] RIP: 0010:thread_group_cputime_adjusted+0xdf/0x110 [ 824.844355] RSP: 0018:ffff880194a3fa18 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 824.852063] RAX: 0000000000000000 RBX: ffff880194962618 RCX: 0000000000000000 [ 824.859328] RDX: ffff8801a53340f0 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 824.866597] RBP: ffff880194a3fa80 R08: 0000000001080020 R09: 0000000000000002 [ 824.873857] R10: 0000000000000000 R11: ffffffff81223ec0 R12: ffff8801b9fac0f0 [ 824.881119] R13: 0000000000000000 R14: ffff880192d17db0 R15: 0000000000000000 [ 824.888398] ? do_wait+0xbd0/0xbd0 [ 824.891952] ? thread_group_cputime_adjusted+0xa7/0x110 [ 824.897325] wait_consider_task+0xd15/0x4550 [ 824.901743] ? kmsan_set_origin_inline+0x6b/0x120 [ 824.906589] ? __msan_poison_alloca+0x15c/0x1d0 [ 824.911277] do_wait+0x60b/0xbd0 [ 824.914652] kernel_wait4+0x337/0x4b0 [ 824.918466] ? __do_sys_exit_group+0x30/0x30 [ 824.922899] __x64_sys_wait4+0x17c/0x320 [ 824.926964] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 824.932479] ? __x64_sys_read+0x341/0x3e0 [ 824.936631] ? do_wait+0xbd0/0xbd0 [ 824.940234] do_syscall_64+0x15b/0x230 [ 824.944127] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 824.949317] RIP: 0033:0x7f34b0083a3e [ 824.953028] RSP: 002b:00007ffd95974440 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 824.960729] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f34b0083a3e [ 824.967986] RDX: 0000000000000001 RSI: 00007ffd959744dc RDI: 0000000000001858 [ 824.975256] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000016bfe [ 824.982527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001536540 [ 824.989793] R13: 0000000000001858 R14: 00007ffd959744d4 R15: 0000000001526250 [ 824.997055] Uninit was stored to memory at: [ 825.001445] kmsan_internal_chain_origin+0x12b/0x210 [ 825.006552] __msan_chain_origin+0x69/0xc0 [ 825.010790] dev_hard_start_xmit+0x679/0xc80 [ 825.015201] __dev_queue_xmit+0x2ad2/0x3540 [ 825.019518] dev_queue_xmit+0x4b/0x60 [ 825.023308] neigh_direct_output+0x42/0x50 [ 825.027539] ip_finish_output2+0x1354/0x1480 [ 825.031942] ip_finish_output+0xcbc/0x1000 [ 825.036174] ip_output+0x505/0x5d0 [ 825.039715] ip_queue_xmit+0x1b0f/0x1d00 [ 825.043781] tcp_transmit_skb+0x3db5/0x5350 [ 825.048105] __tcp_retransmit_skb+0x2fd6/0x4100 [ 825.052768] tcp_retransmit_skb+0xa6/0x480 [ 825.056990] tcp_retransmit_timer+0x21f9/0x4280 [ 825.061652] tcp_write_timer_handler+0x5c2/0xef0 [ 825.066407] tcp_write_timer+0x12b/0x280 [ 825.070468] call_timer_fn+0x280/0x5d0 [ 825.074355] __run_timers+0xd96/0x11b0 [ 825.078233] run_timer_softirq+0x43/0x70 [ 825.082287] __do_softirq+0x592/0x979 [ 825.086072] [ 825.087690] Uninit was stored to memory at: [ 825.092014] kmsan_internal_chain_origin+0x12b/0x210 [ 825.097115] __msan_chain_origin+0x69/0xc0 [ 825.101351] __skb_clone+0x8a2/0x990 [ 825.105064] skb_clone+0x3e8/0x590 [ 825.108594] tcp_transmit_skb+0x3e4/0x5350 [ 825.112819] __tcp_retransmit_skb+0x2fd6/0x4100 [ 825.117493] tcp_retransmit_skb+0xa6/0x480 [ 825.121725] tcp_retransmit_timer+0x21f9/0x4280 [ 825.126396] tcp_write_timer_handler+0x5c2/0xef0 [ 825.131182] tcp_write_timer+0x12b/0x280 [ 825.135230] call_timer_fn+0x280/0x5d0 [ 825.139115] __run_timers+0xd96/0x11b0 [ 825.142999] run_timer_softirq+0x43/0x70 [ 825.147062] __do_softirq+0x592/0x979 [ 825.150854] [ 825.152473] Uninit was stored to memory at: [ 825.156801] kmsan_internal_chain_origin+0x12b/0x210 [ 825.161902] __msan_chain_origin+0x69/0xc0 [ 825.166139] dev_hard_start_xmit+0x679/0xc80 [ 825.170539] __dev_queue_xmit+0x2ad2/0x3540 [ 825.174866] dev_queue_xmit+0x4b/0x60 [ 825.178667] ip_finish_output2+0x12a8/0x1480 [ 825.183074] ip_finish_output+0xcbc/0x1000 [ 825.187300] ip_output+0x505/0x5d0 [ 825.190834] ip_local_out+0x164/0x1d0 [ 825.194620] iptunnel_xmit+0x854/0xdb0 [ 825.198489] ip_tunnel_xmit+0x3422/0x37c0 [ 825.202689] ipip_tunnel_xmit+0x32b/0x4c0 [ 825.206842] dev_hard_start_xmit+0x5f6/0xc80 [ 825.211253] __dev_queue_xmit+0x2ad2/0x3540 [ 825.215587] dev_queue_xmit+0x4b/0x60 [ 825.219387] neigh_direct_output+0x42/0x50 [ 825.223620] ip_finish_output2+0x1354/0x1480 [ 825.228023] ip_finish_output+0xcbc/0x1000 [ 825.232258] ip_output+0x505/0x5d0 [ 825.235797] ip_queue_xmit+0x1b0f/0x1d00 [ 825.239854] tcp_transmit_skb+0x3db5/0x5350 [ 825.244176] tcp_write_xmit+0x2d81/0xb200 [ 825.248322] tcp_send_fin+0x1722/0x1e80 [ 825.252286] tcp_close+0x1758/0x18f0 [ 825.255988] inet_release+0x249/0x2b0 [ 825.259786] sock_close+0xeb/0x310 [ 825.263387] __fput+0x458/0xa30 [ 825.266672] ____fput+0x37/0x40 [ 825.270013] task_work_run+0x22e/0x2b0 [ 825.273946] do_exit+0x110e/0x3930 [ 825.277488] do_group_exit+0x1a0/0x360 [ 825.281375] get_signal+0x1405/0x1ec0 [ 825.285221] do_signal+0xb8/0x1d20 [ 825.288762] prepare_exit_to_usermode+0x271/0x3a0 [ 825.293602] syscall_return_slowpath+0xe9/0x710 [ 825.298286] do_syscall_64+0x1ad/0x230 [ 825.302202] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 825.307379] [ 825.308984] Uninit was stored to memory at: [ 825.313295] kmsan_internal_chain_origin+0x12b/0x210 [ 825.318395] __msan_chain_origin+0x69/0xc0 [ 825.322636] dev_hard_start_xmit+0x679/0xc80 [ 825.327041] __dev_queue_xmit+0x2ad2/0x3540 [ 825.331370] dev_queue_xmit+0x4b/0x60 [ 825.335177] neigh_direct_output+0x42/0x50 [ 825.339406] ip_finish_output2+0x1354/0x1480 [ 825.343805] ip_finish_output+0xcbc/0x1000 [ 825.348037] ip_output+0x505/0x5d0 [ 825.351575] ip_queue_xmit+0x1b0f/0x1d00 [ 825.355636] tcp_transmit_skb+0x3db5/0x5350 [ 825.359966] tcp_write_xmit+0x2d81/0xb200 [ 825.364114] tcp_send_fin+0x1722/0x1e80 [ 825.368087] tcp_close+0x1758/0x18f0 [ 825.371793] inet_release+0x249/0x2b0 [ 825.375609] sock_close+0xeb/0x310 [ 825.379150] __fput+0x458/0xa30 [ 825.382433] ____fput+0x37/0x40 [ 825.385718] task_work_run+0x22e/0x2b0 [ 825.389604] do_exit+0x110e/0x3930 [ 825.393145] do_group_exit+0x1a0/0x360 [ 825.397019] get_signal+0x1405/0x1ec0 [ 825.400808] do_signal+0xb8/0x1d20 [ 825.404345] prepare_exit_to_usermode+0x271/0x3a0 [ 825.409188] syscall_return_slowpath+0xe9/0x710 [ 825.413862] do_syscall_64+0x1ad/0x230 [ 825.417755] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 825.422932] [ 825.424547] Uninit was stored to memory at: [ 825.428871] kmsan_internal_chain_origin+0x12b/0x210 [ 825.433970] __msan_chain_origin+0x69/0xc0 [ 825.438204] __skb_clone+0x8a2/0x990 [ 825.441917] skb_clone+0x3e8/0x590 [ 825.445459] tcp_transmit_skb+0x3e4/0x5350 [ 825.449692] tcp_write_xmit+0x2d81/0xb200 [ 825.453831] tcp_send_fin+0x1722/0x1e80 [ 825.457794] tcp_close+0x1758/0x18f0 [ 825.461505] inet_release+0x249/0x2b0 [ 825.465311] sock_close+0xeb/0x310 [ 825.468852] __fput+0x458/0xa30 [ 825.472130] ____fput+0x37/0x40 [ 825.476379] task_work_run+0x22e/0x2b0 [ 825.480263] do_exit+0x110e/0x3930 [ 825.483788] do_group_exit+0x1a0/0x360 [ 825.487666] get_signal+0x1405/0x1ec0 [ 825.491470] do_signal+0xb8/0x1d20 [ 825.495009] prepare_exit_to_usermode+0x271/0x3a0 [ 825.499857] syscall_return_slowpath+0xe9/0x710 [ 825.504533] do_syscall_64+0x1ad/0x230 [ 825.508423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 825.513597] [ 825.515214] Uninit was stored to memory at: [ 825.519540] kmsan_internal_chain_origin+0x12b/0x210 [ 825.524641] __msan_chain_origin+0x69/0xc0 [ 825.528879] __skb_clone+0x8a2/0x990 [ 825.532594] skb_clone+0x3e8/0x590 [ 825.536141] tcp_transmit_skb+0x3e4/0x5350 [ 825.540367] tcp_write_xmit+0x2d81/0xb200 [ 825.544513] __tcp_push_pending_frames+0x124/0x400 [ 825.549440] tcp_push+0x803/0x8f0 [ 825.552892] tcp_sendmsg_locked+0x4eb1/0x6610 [ 825.557386] tcp_sendmsg+0xb2/0x100 [ 825.561014] inet_sendmsg+0x3fc/0x760 [ 825.564880] __sys_sendto+0x6c4/0x7e0 [ 825.568682] __x64_sys_sendto+0x1a1/0x210 [ 825.572829] do_syscall_64+0x15b/0x230 [ 825.576719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 825.581895] [ 825.583519] Uninit was stored to memory at: [ 825.587846] kmsan_internal_chain_origin+0x12b/0x210 [ 825.592947] __msan_chain_origin+0x69/0xc0 [ 825.597184] __alloc_skb+0x949/0x9e0 [ 825.600899] sk_stream_alloc_skb+0x17c/0xcf0 [ 825.605304] tcp_sendmsg_locked+0x237e/0x6610 [ 825.609793] tcp_sendmsg+0xb2/0x100 [ 825.613419] inet_sendmsg+0x3fc/0x760 [ 825.617224] __sys_sendto+0x6c4/0x7e0 [ 825.621031] __x64_sys_sendto+0x1a1/0x210 [ 825.625177] do_syscall_64+0x15b/0x230 [ 825.629066] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 825.634237] [ 825.635850] Uninit was created at: [ 825.639747] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 825.644854] kmsan_kmalloc+0x94/0x100 [ 825.648671] kmsan_slab_alloc+0x10/0x20 [ 825.652651] kmem_cache_alloc_node+0x8af/0xc80 [ 825.657238] __alloc_skb+0x202/0x9e0 [ 825.660954] sk_stream_alloc_skb+0x17c/0xcf0 [ 825.665356] tcp_sendmsg_locked+0x237e/0x6610 [ 825.669846] tcp_sendmsg+0xb2/0x100 [ 825.673471] inet_sendmsg+0x3fc/0x760 [ 825.677280] __sys_sendto+0x6c4/0x7e0 [ 825.681082] __x64_sys_sendto+0x1a1/0x210 [ 825.685220] do_syscall_64+0x15b/0x230 [ 825.689106] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:09 executed programs: 442 2018/06/19 09:21:14 executed programs: 600 [ 832.165987] not chained 20000 origins [ 832.169843] CPU: 0 PID: 7145 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 832.176583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 832.185920] Call Trace: [ 832.188484] [ 832.190617] dump_stack+0x185/0x1d0 [ 832.194239] kmsan_internal_chain_origin+0x1ff/0x210 [ 832.199322] ? csum_partial_ext+0x89/0xa0 [ 832.203450] ? __skb_checksum+0xf32/0xfb0 [ 832.207576] ? kmsan_set_origin_inline+0x6b/0x120 [ 832.212395] ? __msan_poison_alloca+0x15c/0x1d0 [ 832.217051] ? validate_xmit_skb+0xfea/0x1320 [ 832.221530] ? kmsan_set_origin_inline+0x6b/0x120 [ 832.226348] ? __msan_poison_alloca+0x15c/0x1d0 [ 832.230994] ? __dev_queue_xmit+0x2ad2/0x3540 [ 832.235477] __msan_chain_origin+0x69/0xc0 [ 832.239690] dev_hard_start_xmit+0x679/0xc80 [ 832.244084] __dev_queue_xmit+0x2ad2/0x3540 [ 832.248391] dev_queue_xmit+0x4b/0x60 [ 832.252169] ip_finish_output2+0x12a8/0x1480 [ 832.256556] ip_finish_output+0xcbc/0x1000 [ 832.260770] ip_output+0x505/0x5d0 [ 832.264296] ? ip_mc_finish_output+0x3b0/0x3b0 [ 832.268864] ? ip_finish_output+0x1000/0x1000 [ 832.273338] ip_local_out+0x164/0x1d0 [ 832.277117] iptunnel_xmit+0x854/0xdb0 [ 832.280983] ip_tunnel_xmit+0x3422/0x37c0 [ 832.285117] ipip_tunnel_xmit+0x32b/0x4c0 [ 832.289253] ? ipip_tunnel_init+0x1d0/0x1d0 [ 832.293559] dev_hard_start_xmit+0x5f6/0xc80 [ 832.297948] __dev_queue_xmit+0x2ad2/0x3540 [ 832.302252] dev_queue_xmit+0x4b/0x60 [ 832.306030] neigh_direct_output+0x42/0x50 [ 832.310246] ? neigh_connected_output+0x710/0x710 [ 832.315072] ip_finish_output2+0x1354/0x1480 [ 832.319464] ip_finish_output+0xcbc/0x1000 [ 832.323687] ip_output+0x505/0x5d0 [ 832.327214] ? ip_mc_finish_output+0x3b0/0x3b0 [ 832.331776] ? ip_finish_output+0x1000/0x1000 [ 832.336245] ip_queue_xmit+0x1b0f/0x1d00 [ 832.340302] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 832.345743] ? __skb_clone+0x6ec/0x990 [ 832.349610] ? ip_output+0x5d0/0x5d0 [ 832.353304] tcp_transmit_skb+0x3db5/0x5350 [ 832.357611] __tcp_retransmit_skb+0x2fd6/0x4100 [ 832.362261] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 832.367690] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 832.373118] ? bictcp_state+0x1ba/0x2a0 [ 832.377085] tcp_retransmit_skb+0xa6/0x480 [ 832.381300] tcp_retransmit_timer+0x21f9/0x4280 [ 832.385955] tcp_write_timer_handler+0x5c2/0xef0 [ 832.390688] ? call_timer_fn+0x280/0x5d0 [ 832.394727] tcp_write_timer+0x12b/0x280 [ 832.398775] call_timer_fn+0x280/0x5d0 [ 832.402639] ? tcp_init_xmit_timers+0xd0/0xd0 [ 832.407121] __run_timers+0xd96/0x11b0 [ 832.410986] ? tcp_init_xmit_timers+0xd0/0xd0 [ 832.415461] ? irq_exit+0x202/0x240 [ 832.419073] ? run_timer_softirq+0x14/0x70 [ 832.423290] ? timers_dead_cpu+0x1010/0x1010 [ 832.427677] run_timer_softirq+0x43/0x70 [ 832.431717] __do_softirq+0x592/0x979 [ 832.435494] irq_exit+0x202/0x240 [ 832.438925] exiting_irq+0xe/0x10 [ 832.442357] smp_apic_timer_interrupt+0x64/0x90 [ 832.447016] apic_timer_interrupt+0xf/0x20 [ 832.451233] [ 832.453452] RIP: 0010:kmsan_alloc_page+0x9f/0xe0 [ 832.458181] RSP: 0000:ffff8801969bf758 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 832.465872] RAX: 0000000000000246 RBX: ffff8801b52d0000 RCX: 0000000000000200 [ 832.473127] RDX: 0000000000000200 RSI: ffffea00094f7fa0 RDI: 0000000000080000 [ 832.480378] RBP: ffff8801969bf798 R08: 0000000001080020 R09: 0000000000000003 [ 832.487624] R10: ffffffff8a001528 R11: 0000000000000000 R12: 0000000000000009 [ 832.494880] R13: 0000000000000000 R14: 00000000000742ca R15: ffffea000a488000 [ 832.502138] ? __entry_text_end+0x3/0x3 [ 832.506155] __alloc_pages_nodemask+0xf7b/0x5cc0 [ 832.510892] ? kmsan_set_origin_inline+0x6b/0x120 [ 832.515714] ? __msan_poison_alloca+0x15c/0x1d0 [ 832.520367] ? __should_failslab+0x278/0x2a0 [ 832.524829] ? should_fail+0x57/0xab0 [ 832.528610] ? __should_failslab+0x278/0x2a0 [ 832.532996] ? kmsan_set_origin_inline+0x6b/0x120 [ 832.537816] ? __msan_poison_alloca+0x15c/0x1d0 [ 832.542464] ? kmsan_set_origin+0x9e/0x160 [ 832.546680] alloc_pages_vma+0x1555/0x17f0 [ 832.550896] do_huge_pmd_anonymous_page+0xbdd/0x2540 [ 832.556014] handle_mm_fault+0x44ca/0x7ed0 [ 832.560230] ? kmsan_set_origin_inline+0x6b/0x120 [ 832.565081] __do_page_fault+0xec6/0x1a10 [ 832.569227] do_page_fault+0xb7/0x250 [ 832.573025] ? page_fault+0x8/0x30 [ 832.576548] page_fault+0x1e/0x30 [ 832.579974] RIP: 0033:0x4077fa [ 832.583142] RSP: 002b:0000000000a3e940 EFLAGS: 00010246 [ 832.588478] RAX: 0000000020942000 RBX: 0000000000000000 RCX: 0000000000000002 [ 832.595746] RDX: 426b76decf18f387 RSI: 0000000000000000 RDI: 000000000100e848 [ 832.602993] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000730088 [ 832.610248] R10: 0000000000a3e940 R11: 0000000000000246 R12: 0000000000000000 [ 832.617493] R13: 0000000000000002 R14: 000000000072bea0 R15: 00000000000cb5bb [ 832.624754] Uninit was stored to memory at: [ 832.629077] kmsan_internal_chain_origin+0x12b/0x210 [ 832.634159] __msan_chain_origin+0x69/0xc0 [ 832.638372] dev_hard_start_xmit+0x679/0xc80 [ 832.642759] __dev_queue_xmit+0x2ad2/0x3540 [ 832.647066] dev_queue_xmit+0x4b/0x60 [ 832.650857] ip_finish_output2+0x12a8/0x1480 [ 832.655243] ip_finish_output+0xcbc/0x1000 [ 832.659453] ip_output+0x505/0x5d0 [ 832.662976] ip_local_out+0x164/0x1d0 [ 832.666754] iptunnel_xmit+0x854/0xdb0 [ 832.670618] ip_tunnel_xmit+0x3422/0x37c0 [ 832.674754] ipip_tunnel_xmit+0x32b/0x4c0 [ 832.678891] dev_hard_start_xmit+0x5f6/0xc80 [ 832.683282] __dev_queue_xmit+0x2ad2/0x3540 [ 832.687580] dev_queue_xmit+0x4b/0x60 [ 832.691359] neigh_direct_output+0x42/0x50 [ 832.695568] ip_finish_output2+0x1354/0x1480 [ 832.699949] ip_finish_output+0xcbc/0x1000 [ 832.704157] ip_output+0x505/0x5d0 [ 832.707672] ip_queue_xmit+0x1b0f/0x1d00 [ 832.711710] tcp_transmit_skb+0x3db5/0x5350 [ 832.716010] __tcp_retransmit_skb+0x2fd6/0x4100 [ 832.720655] tcp_send_loss_probe+0xc79/0xf10 [ 832.725051] tcp_write_timer_handler+0x726/0xef0 [ 832.729790] tcp_write_timer+0x12b/0x280 [ 832.733829] call_timer_fn+0x280/0x5d0 [ 832.737692] __run_timers+0xd96/0x11b0 [ 832.741565] run_timer_softirq+0x43/0x70 [ 832.745601] __do_softirq+0x592/0x979 [ 832.749372] [ 832.750973] Uninit was stored to memory at: [ 832.755284] kmsan_internal_chain_origin+0x12b/0x210 [ 832.760367] __msan_chain_origin+0x69/0xc0 [ 832.764580] dev_hard_start_xmit+0x679/0xc80 [ 832.768961] __dev_queue_xmit+0x2ad2/0x3540 [ 832.773258] dev_queue_xmit+0x4b/0x60 [ 832.777045] neigh_direct_output+0x42/0x50 [ 832.781263] ip_finish_output2+0x1354/0x1480 [ 832.785645] ip_finish_output+0xcbc/0x1000 [ 832.789864] ip_output+0x505/0x5d0 [ 832.793379] ip_queue_xmit+0x1b0f/0x1d00 [ 832.797415] tcp_transmit_skb+0x3db5/0x5350 [ 832.801715] __tcp_retransmit_skb+0x2fd6/0x4100 [ 832.806372] tcp_send_loss_probe+0xc79/0xf10 [ 832.810760] tcp_write_timer_handler+0x726/0xef0 [ 832.815489] tcp_write_timer+0x12b/0x280 [ 832.819529] call_timer_fn+0x280/0x5d0 [ 832.823393] __run_timers+0xd96/0x11b0 [ 832.827259] run_timer_softirq+0x43/0x70 [ 832.831297] __do_softirq+0x592/0x979 [ 832.835072] [ 832.836676] Uninit was stored to memory at: [ 832.840977] kmsan_internal_chain_origin+0x12b/0x210 [ 832.846064] __msan_chain_origin+0x69/0xc0 [ 832.850300] __skb_clone+0x8a2/0x990 [ 832.853998] skb_clone+0x3e8/0x590 [ 832.857515] tcp_transmit_skb+0x3e4/0x5350 [ 832.861728] __tcp_retransmit_skb+0x2fd6/0x4100 [ 832.866380] tcp_send_loss_probe+0xc79/0xf10 [ 832.870762] tcp_write_timer_handler+0x726/0xef0 [ 832.875492] tcp_write_timer+0x12b/0x280 [ 832.879528] call_timer_fn+0x280/0x5d0 [ 832.883392] __run_timers+0xd96/0x11b0 [ 832.887256] run_timer_softirq+0x43/0x70 [ 832.891293] __do_softirq+0x592/0x979 [ 832.895067] [ 832.896673] Uninit was stored to memory at: [ 832.900975] kmsan_internal_chain_origin+0x12b/0x210 [ 832.906063] __msan_chain_origin+0x69/0xc0 [ 832.910299] dev_hard_start_xmit+0x679/0xc80 [ 832.914692] __dev_queue_xmit+0x2ad2/0x3540 [ 832.918991] dev_queue_xmit+0x4b/0x60 [ 832.922768] ip_finish_output2+0x12a8/0x1480 [ 832.927162] ip_finish_output+0xcbc/0x1000 [ 832.931373] ip_output+0x505/0x5d0 [ 832.934892] ip_local_out+0x164/0x1d0 [ 832.938667] iptunnel_xmit+0x854/0xdb0 [ 832.942537] ip_tunnel_xmit+0x3422/0x37c0 [ 832.946680] ipip_tunnel_xmit+0x32b/0x4c0 [ 832.950806] dev_hard_start_xmit+0x5f6/0xc80 [ 832.955189] __dev_queue_xmit+0x2ad2/0x3540 [ 832.959489] dev_queue_xmit+0x4b/0x60 [ 832.963266] neigh_direct_output+0x42/0x50 [ 832.967479] ip_finish_output2+0x1354/0x1480 [ 832.971865] ip_finish_output+0xcbc/0x1000 [ 832.976083] ip_output+0x505/0x5d0 [ 832.979612] ip_queue_xmit+0x1b0f/0x1d00 [ 832.983651] tcp_transmit_skb+0x3db5/0x5350 [ 832.987949] tcp_write_xmit+0x2d81/0xb200 [ 832.992079] tcp_send_fin+0x1722/0x1e80 [ 832.996040] tcp_close+0x1758/0x18f0 [ 832.999742] inet_release+0x249/0x2b0 [ 833.003518] sock_close+0xeb/0x310 [ 833.007037] __fput+0x458/0xa30 [ 833.010300] ____fput+0x37/0x40 [ 833.013556] task_work_run+0x22e/0x2b0 [ 833.017421] do_exit+0x110e/0x3930 [ 833.020940] do_group_exit+0x1a0/0x360 [ 833.024803] get_signal+0x1405/0x1ec0 [ 833.028579] do_signal+0xb8/0x1d20 [ 833.032094] prepare_exit_to_usermode+0x271/0x3a0 [ 833.036913] syscall_return_slowpath+0xe9/0x710 [ 833.041562] do_syscall_64+0x1ad/0x230 [ 833.045436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 833.050595] [ 833.052198] Uninit was stored to memory at: [ 833.056500] kmsan_internal_chain_origin+0x12b/0x210 [ 833.061586] __msan_chain_origin+0x69/0xc0 [ 833.065805] dev_hard_start_xmit+0x679/0xc80 [ 833.070186] __dev_queue_xmit+0x2ad2/0x3540 [ 833.074487] dev_queue_xmit+0x4b/0x60 [ 833.078274] neigh_direct_output+0x42/0x50 [ 833.082488] ip_finish_output2+0x1354/0x1480 [ 833.086873] ip_finish_output+0xcbc/0x1000 [ 833.091085] ip_output+0x505/0x5d0 [ 833.094601] ip_queue_xmit+0x1b0f/0x1d00 [ 833.098639] tcp_transmit_skb+0x3db5/0x5350 [ 833.102935] tcp_write_xmit+0x2d81/0xb200 [ 833.107070] tcp_send_fin+0x1722/0x1e80 [ 833.111028] tcp_close+0x1758/0x18f0 [ 833.114721] inet_release+0x249/0x2b0 [ 833.118500] sock_close+0xeb/0x310 [ 833.122022] __fput+0x458/0xa30 [ 833.125281] ____fput+0x37/0x40 [ 833.128549] task_work_run+0x22e/0x2b0 [ 833.132416] do_exit+0x110e/0x3930 [ 833.135933] do_group_exit+0x1a0/0x360 [ 833.139796] get_signal+0x1405/0x1ec0 [ 833.143572] do_signal+0xb8/0x1d20 [ 833.147125] prepare_exit_to_usermode+0x271/0x3a0 [ 833.151951] syscall_return_slowpath+0xe9/0x710 [ 833.156594] do_syscall_64+0x1ad/0x230 [ 833.160461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 833.165624] [ 833.167224] Uninit was stored to memory at: [ 833.171526] kmsan_internal_chain_origin+0x12b/0x210 [ 833.176606] __msan_chain_origin+0x69/0xc0 [ 833.180815] __skb_clone+0x8a2/0x990 [ 833.184504] skb_clone+0x3e8/0x590 [ 833.188020] tcp_transmit_skb+0x3e4/0x5350 [ 833.192232] tcp_write_xmit+0x2d81/0xb200 [ 833.196356] tcp_send_fin+0x1722/0x1e80 [ 833.200305] tcp_close+0x1758/0x18f0 [ 833.203995] inet_release+0x249/0x2b0 [ 833.207768] sock_close+0xeb/0x310 [ 833.211286] __fput+0x458/0xa30 [ 833.214540] ____fput+0x37/0x40 [ 833.217796] task_work_run+0x22e/0x2b0 [ 833.221656] do_exit+0x110e/0x3930 [ 833.225169] do_group_exit+0x1a0/0x360 [ 833.229031] get_signal+0x1405/0x1ec0 [ 833.232809] do_signal+0xb8/0x1d20 [ 833.236324] prepare_exit_to_usermode+0x271/0x3a0 [ 833.241142] syscall_return_slowpath+0xe9/0x710 [ 833.245785] do_syscall_64+0x1ad/0x230 [ 833.249650] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 833.255418] [ 833.257017] Uninit was stored to memory at: [ 833.261315] kmsan_internal_chain_origin+0x12b/0x210 [ 833.266391] __msan_chain_origin+0x69/0xc0 [ 833.270602] __alloc_skb+0x949/0x9e0 [ 833.274294] tcp_send_fin+0x4dc/0x1e80 [ 833.278155] tcp_close+0x1758/0x18f0 [ 833.281845] inet_release+0x249/0x2b0 [ 833.285619] sock_close+0xeb/0x310 [ 833.289142] __fput+0x458/0xa30 [ 833.292397] ____fput+0x37/0x40 [ 833.295650] task_work_run+0x22e/0x2b0 [ 833.299512] do_exit+0x110e/0x3930 [ 833.303036] do_group_exit+0x1a0/0x360 [ 833.306905] get_signal+0x1405/0x1ec0 [ 833.310681] do_signal+0xb8/0x1d20 [ 833.314197] prepare_exit_to_usermode+0x271/0x3a0 [ 833.319014] syscall_return_slowpath+0xe9/0x710 [ 833.323655] do_syscall_64+0x1ad/0x230 [ 833.327517] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 833.332676] [ 833.334284] Uninit was created at: [ 833.337802] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 833.342881] kmsan_kmalloc+0x94/0x100 [ 833.346664] kmsan_slab_alloc+0x10/0x20 [ 833.350613] kmem_cache_alloc_node+0x8af/0xc80 [ 833.355168] __alloc_skb+0x202/0x9e0 [ 833.358873] tcp_send_fin+0x4dc/0x1e80 [ 833.362733] tcp_close+0x1758/0x18f0 [ 833.366422] inet_release+0x249/0x2b0 [ 833.370203] sock_close+0xeb/0x310 [ 833.373718] __fput+0x458/0xa30 [ 833.376976] ____fput+0x37/0x40 [ 833.380237] task_work_run+0x22e/0x2b0 [ 833.384099] do_exit+0x110e/0x3930 [ 833.387615] do_group_exit+0x1a0/0x360 [ 833.391477] get_signal+0x1405/0x1ec0 [ 833.395251] do_signal+0xb8/0x1d20 [ 833.398774] prepare_exit_to_usermode+0x271/0x3a0 [ 833.403590] syscall_return_slowpath+0xe9/0x710 [ 833.408235] do_syscall_64+0x1ad/0x230 [ 833.412097] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:19 executed programs: 717 [ 840.169194] not chained 30000 origins [ 840.173047] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 840.179183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 840.188518] Call Trace: [ 840.191082] [ 840.193222] dump_stack+0x185/0x1d0 [ 840.196838] kmsan_internal_chain_origin+0x1ff/0x210 [ 840.201994] ? ip_route_output_key_hash_rcu+0x12f3/0x3a90 [ 840.207515] ? kmsan_set_origin_inline+0x6b/0x120 [ 840.212340] ? __msan_poison_alloca+0x15c/0x1d0 [ 840.216991] ? xfrm_lookup_route+0xfa/0x360 [ 840.221295] ? xfrm_lookup+0x200/0x39f0 [ 840.225249] ? xfrm_lookup_route+0xfa/0x360 [ 840.229550] ? xfrm_lookup+0xc12/0x39f0 [ 840.233511] ? kmsan_memcpy_origins+0xf1/0x170 [ 840.238085] ? __copy_skb_header+0x784/0x830 [ 840.242474] __msan_chain_origin+0x69/0xc0 [ 840.246692] __skb_clone+0x7b3/0x990 [ 840.250389] ? kmsan_set_origin_inline+0x6b/0x120 [ 840.255213] skb_clone+0x3e8/0x590 [ 840.258763] tcp_transmit_skb+0x3e4/0x5350 [ 840.262984] ? tcp_v4_md5_lookup+0x44/0x420 [ 840.267291] __tcp_retransmit_skb+0x2fd6/0x4100 [ 840.271943] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 840.277378] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 840.282821] ? bictcp_state+0x1ba/0x2a0 [ 840.286781] tcp_retransmit_skb+0xa6/0x480 [ 840.290998] tcp_retransmit_timer+0x21f9/0x4280 [ 840.295652] tcp_write_timer_handler+0x5c2/0xef0 [ 840.300390] ? call_timer_fn+0x280/0x5d0 [ 840.304433] tcp_write_timer+0x12b/0x280 [ 840.308475] call_timer_fn+0x280/0x5d0 [ 840.312341] ? tcp_init_xmit_timers+0xd0/0xd0 [ 840.316818] __run_timers+0xd96/0x11b0 [ 840.320684] ? tcp_init_xmit_timers+0xd0/0xd0 [ 840.325167] ? irq_exit+0x202/0x240 [ 840.328778] ? run_timer_softirq+0x14/0x70 [ 840.332994] ? timers_dead_cpu+0x1010/0x1010 [ 840.337381] run_timer_softirq+0x43/0x70 [ 840.341423] __do_softirq+0x592/0x979 [ 840.345208] irq_exit+0x202/0x240 [ 840.348643] exiting_irq+0xe/0x10 [ 840.352081] smp_apic_timer_interrupt+0x64/0x90 [ 840.356735] apic_timer_interrupt+0xf/0x20 [ 840.360951] [ 840.363169] RIP: 0010:default_idle+0x20b/0x3e0 [ 840.367729] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 840.375419] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 840.382683] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 840.389933] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 840.397184] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 840.404434] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 840.411726] ? __cpuidle_text_start+0x8/0x8 [ 840.416035] ? __cpuidle_text_start+0x8/0x8 [ 840.420341] arch_cpu_idle+0x26/0x30 [ 840.424048] do_idle+0x36d/0x830 [ 840.427400] ? do_idle+0x810/0x830 [ 840.430921] cpu_startup_entry+0x45/0x50 [ 840.434964] rest_init+0x1c1/0x1f0 [ 840.438546] ? hpet_time_init+0xb0/0xe0 [ 840.442501] start_kernel+0x1110/0x1120 [ 840.446457] x86_64_start_kernel+0xe4/0xf0 [ 840.450675] secondary_startup_64+0xa5/0xb0 [ 840.454975] Uninit was stored to memory at: [ 840.459294] kmsan_internal_chain_origin+0x12b/0x210 [ 840.464376] __msan_chain_origin+0x69/0xc0 [ 840.468592] dev_hard_start_xmit+0x679/0xc80 [ 840.472976] __dev_queue_xmit+0x2ad2/0x3540 [ 840.477288] dev_queue_xmit+0x4b/0x60 [ 840.481076] neigh_direct_output+0x42/0x50 [ 840.485289] ip_finish_output2+0x1354/0x1480 [ 840.489674] ip_finish_output+0xcbc/0x1000 [ 840.493886] ip_output+0x505/0x5d0 [ 840.497403] ip_queue_xmit+0x1b0f/0x1d00 [ 840.501445] tcp_transmit_skb+0x3db5/0x5350 [ 840.505754] __tcp_retransmit_skb+0x2fd6/0x4100 [ 840.510402] tcp_retransmit_skb+0xa6/0x480 [ 840.514614] tcp_retransmit_timer+0x21f9/0x4280 [ 840.519259] tcp_write_timer_handler+0x5c2/0xef0 [ 840.524013] tcp_write_timer+0x12b/0x280 [ 840.528058] call_timer_fn+0x280/0x5d0 [ 840.531932] __run_timers+0xd96/0x11b0 [ 840.535799] run_timer_softirq+0x43/0x70 [ 840.539839] __do_softirq+0x592/0x979 [ 840.543613] [ 840.545219] Uninit was stored to memory at: [ 840.549526] kmsan_internal_chain_origin+0x12b/0x210 [ 840.554607] __msan_chain_origin+0x69/0xc0 [ 840.558822] __skb_clone+0x8a2/0x990 [ 840.562518] skb_clone+0x3e8/0x590 [ 840.566039] tcp_transmit_skb+0x3e4/0x5350 [ 840.570257] __tcp_retransmit_skb+0x2fd6/0x4100 [ 840.574906] tcp_retransmit_skb+0xa6/0x480 [ 840.579118] tcp_retransmit_timer+0x21f9/0x4280 [ 840.583767] tcp_write_timer_handler+0x5c2/0xef0 [ 840.588499] tcp_write_timer+0x12b/0x280 [ 840.592539] call_timer_fn+0x280/0x5d0 [ 840.596406] __run_timers+0xd96/0x11b0 [ 840.600274] run_timer_softirq+0x43/0x70 [ 840.604314] __do_softirq+0x592/0x979 [ 840.608088] [ 840.609691] Uninit was stored to memory at: [ 840.613994] kmsan_internal_chain_origin+0x12b/0x210 [ 840.619079] __msan_chain_origin+0x69/0xc0 [ 840.623296] dev_hard_start_xmit+0x679/0xc80 [ 840.627685] __dev_queue_xmit+0x2ad2/0x3540 [ 840.631987] dev_queue_xmit+0x4b/0x60 [ 840.635769] ip_finish_output2+0x12a8/0x1480 [ 840.640154] ip_finish_output+0xcbc/0x1000 [ 840.644366] ip_output+0x505/0x5d0 [ 840.647887] ip_local_out+0x164/0x1d0 [ 840.651665] iptunnel_xmit+0x854/0xdb0 [ 840.655530] ip_tunnel_xmit+0x3422/0x37c0 [ 840.659659] ipip_tunnel_xmit+0x32b/0x4c0 [ 840.663790] dev_hard_start_xmit+0x5f6/0xc80 [ 840.668180] __dev_queue_xmit+0x2ad2/0x3540 [ 840.672483] dev_queue_xmit+0x4b/0x60 [ 840.676264] neigh_direct_output+0x42/0x50 [ 840.680478] ip_finish_output2+0x1354/0x1480 [ 840.684862] ip_finish_output+0xcbc/0x1000 [ 840.689078] ip_output+0x505/0x5d0 [ 840.692595] ip_queue_xmit+0x1b0f/0x1d00 [ 840.696636] tcp_transmit_skb+0x3db5/0x5350 [ 840.700936] tcp_write_xmit+0x2d81/0xb200 [ 840.705070] tcp_send_fin+0x1722/0x1e80 [ 840.709030] tcp_close+0x1758/0x18f0 [ 840.712728] inet_release+0x249/0x2b0 [ 840.716531] sock_close+0xeb/0x310 [ 840.720055] __fput+0x458/0xa30 [ 840.723317] ____fput+0x37/0x40 [ 840.726575] task_work_run+0x22e/0x2b0 [ 840.730453] do_exit+0x110e/0x3930 [ 840.733971] do_group_exit+0x1a0/0x360 [ 840.737839] get_signal+0x1405/0x1ec0 [ 840.741620] do_signal+0xb8/0x1d20 [ 840.745138] prepare_exit_to_usermode+0x271/0x3a0 [ 840.749961] syscall_return_slowpath+0xe9/0x710 [ 840.754606] do_syscall_64+0x1ad/0x230 [ 840.758483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 840.763644] [ 840.765246] Uninit was stored to memory at: [ 840.769550] kmsan_internal_chain_origin+0x12b/0x210 [ 840.774632] __msan_chain_origin+0x69/0xc0 [ 840.778848] dev_hard_start_xmit+0x679/0xc80 [ 840.783234] __dev_queue_xmit+0x2ad2/0x3540 [ 840.787536] dev_queue_xmit+0x4b/0x60 [ 840.791318] neigh_direct_output+0x42/0x50 [ 840.795534] ip_finish_output2+0x1354/0x1480 [ 840.799920] ip_finish_output+0xcbc/0x1000 [ 840.804132] ip_output+0x505/0x5d0 [ 840.807651] ip_queue_xmit+0x1b0f/0x1d00 [ 840.811705] tcp_transmit_skb+0x3db5/0x5350 [ 840.816009] tcp_write_xmit+0x2d81/0xb200 [ 840.820140] tcp_send_fin+0x1722/0x1e80 [ 840.824093] tcp_close+0x1758/0x18f0 [ 840.827786] inet_release+0x249/0x2b0 [ 840.831574] sock_close+0xeb/0x310 [ 840.835096] __fput+0x458/0xa30 [ 840.838365] ____fput+0x37/0x40 [ 840.841623] task_work_run+0x22e/0x2b0 [ 840.845500] do_exit+0x110e/0x3930 [ 840.849021] do_group_exit+0x1a0/0x360 [ 840.852889] get_signal+0x1405/0x1ec0 [ 840.856671] do_signal+0xb8/0x1d20 [ 840.860188] prepare_exit_to_usermode+0x271/0x3a0 [ 840.865008] syscall_return_slowpath+0xe9/0x710 [ 840.869657] do_syscall_64+0x1ad/0x230 [ 840.873524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 840.878685] [ 840.880287] Uninit was stored to memory at: [ 840.884589] kmsan_internal_chain_origin+0x12b/0x210 [ 840.889670] __msan_chain_origin+0x69/0xc0 [ 840.893886] __skb_clone+0x8a2/0x990 [ 840.897583] skb_clone+0x3e8/0x590 [ 840.901105] tcp_transmit_skb+0x3e4/0x5350 [ 840.905321] tcp_write_xmit+0x2d81/0xb200 [ 840.909459] tcp_send_fin+0x1722/0x1e80 [ 840.913412] tcp_close+0x1758/0x18f0 [ 840.917107] inet_release+0x249/0x2b0 [ 840.920884] sock_close+0xeb/0x310 [ 840.924405] __fput+0x458/0xa30 [ 840.927666] ____fput+0x37/0x40 [ 840.930925] task_work_run+0x22e/0x2b0 [ 840.934793] do_exit+0x110e/0x3930 [ 840.938312] do_group_exit+0x1a0/0x360 [ 840.942178] get_signal+0x1405/0x1ec0 [ 840.945957] do_signal+0xb8/0x1d20 [ 840.949477] prepare_exit_to_usermode+0x271/0x3a0 [ 840.954297] syscall_return_slowpath+0xe9/0x710 [ 840.958944] do_syscall_64+0x1ad/0x230 [ 840.962817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 840.967980] [ 840.969583] Uninit was stored to memory at: [ 840.973885] kmsan_internal_chain_origin+0x12b/0x210 [ 840.978979] __msan_chain_origin+0x69/0xc0 [ 840.983195] __skb_clone+0x8a2/0x990 [ 840.986886] skb_clone+0x3e8/0x590 [ 840.990407] tcp_transmit_skb+0x3e4/0x5350 [ 840.994621] tcp_write_xmit+0x2d81/0xb200 [ 840.998751] __tcp_push_pending_frames+0x124/0x400 [ 841.003658] tcp_push+0x803/0x8f0 [ 841.007090] tcp_sendmsg_locked+0x4eb1/0x6610 [ 841.011573] tcp_sendmsg+0xb2/0x100 [ 841.015180] inet_sendmsg+0x3fc/0x760 [ 841.018964] __sys_sendto+0x6c4/0x7e0 [ 841.022749] __x64_sys_sendto+0x1a1/0x210 [ 841.026878] do_syscall_64+0x15b/0x230 [ 841.030750] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 841.035913] [ 841.037515] Uninit was stored to memory at: [ 841.041827] kmsan_internal_chain_origin+0x12b/0x210 [ 841.046909] __msan_chain_origin+0x69/0xc0 [ 841.051123] __alloc_skb+0x949/0x9e0 [ 841.054815] sk_stream_alloc_skb+0x17c/0xcf0 [ 841.059204] tcp_sendmsg_locked+0x237e/0x6610 [ 841.063684] tcp_sendmsg+0xb2/0x100 [ 841.067291] inet_sendmsg+0x3fc/0x760 [ 841.071077] __sys_sendto+0x6c4/0x7e0 [ 841.074857] __x64_sys_sendto+0x1a1/0x210 [ 841.078993] do_syscall_64+0x15b/0x230 [ 841.082861] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 841.088026] [ 841.089632] Uninit was created at: [ 841.093154] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 841.098238] kmsan_kmalloc+0x94/0x100 [ 841.102019] kmsan_slab_alloc+0x10/0x20 [ 841.105973] kmem_cache_alloc_node+0x8af/0xc80 [ 841.110534] __alloc_skb+0x202/0x9e0 [ 841.114229] sk_stream_alloc_skb+0x17c/0xcf0 [ 841.118620] tcp_sendmsg_locked+0x237e/0x6610 [ 841.123097] tcp_sendmsg+0xb2/0x100 [ 841.126702] inet_sendmsg+0x3fc/0x760 [ 841.130487] __sys_sendto+0x6c4/0x7e0 [ 841.134271] __x64_sys_sendto+0x1a1/0x210 [ 841.138408] do_syscall_64+0x15b/0x230 [ 841.142275] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:24 executed programs: 839 2018/06/19 09:21:29 executed programs: 989 [ 847.392329] not chained 40000 origins [ 847.396162] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 847.402285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 847.411618] Call Trace: [ 847.414190] [ 847.416331] dump_stack+0x185/0x1d0 [ 847.419938] kmsan_internal_chain_origin+0x1ff/0x210 [ 847.425019] ? __local_bh_enable_ip+0x3b/0x140 [ 847.429580] ? ip_finish_output2+0x136a/0x1480 [ 847.434146] ? ip_finish_output+0xcbc/0x1000 [ 847.438536] ? kmsan_memcpy_origins+0xf1/0x170 [ 847.443113] ? __copy_skb_header+0x784/0x830 [ 847.447512] __msan_chain_origin+0x69/0xc0 [ 847.451728] __skb_clone+0x8a2/0x990 [ 847.455439] skb_clone+0x3e8/0x590 [ 847.458975] tcp_transmit_skb+0x3e4/0x5350 [ 847.463203] ? kmsan_set_origin_inline+0x6b/0x120 [ 847.468035] ? tcp_v4_md5_lookup+0x44/0x420 [ 847.472350] __tcp_retransmit_skb+0x2fd6/0x4100 [ 847.476998] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 847.482433] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 847.487864] ? bictcp_state+0x1ba/0x2a0 [ 847.491818] tcp_retransmit_skb+0xa6/0x480 [ 847.496032] tcp_retransmit_timer+0x21f9/0x4280 [ 847.500687] tcp_write_timer_handler+0x5c2/0xef0 [ 847.505424] ? call_timer_fn+0x280/0x5d0 [ 847.509465] tcp_write_timer+0x12b/0x280 [ 847.513509] call_timer_fn+0x280/0x5d0 [ 847.517374] ? tcp_init_xmit_timers+0xd0/0xd0 [ 847.521851] __run_timers+0xd96/0x11b0 [ 847.525749] ? tcp_init_xmit_timers+0xd0/0xd0 [ 847.530227] ? irq_exit+0x202/0x240 [ 847.533835] ? run_timer_softirq+0x14/0x70 [ 847.538055] ? timers_dead_cpu+0x1010/0x1010 [ 847.542453] run_timer_softirq+0x43/0x70 [ 847.546494] __do_softirq+0x592/0x979 [ 847.550274] irq_exit+0x202/0x240 [ 847.553708] exiting_irq+0xe/0x10 [ 847.557139] smp_apic_timer_interrupt+0x64/0x90 [ 847.561794] apic_timer_interrupt+0xf/0x20 [ 847.566006] [ 847.568225] RIP: 0010:default_idle+0x20b/0x3e0 [ 847.572781] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 847.580473] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 847.587725] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 847.594974] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 847.602220] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 847.609468] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 847.616729] ? __cpuidle_text_start+0x8/0x8 [ 847.621035] ? __cpuidle_text_start+0x8/0x8 [ 847.625344] arch_cpu_idle+0x26/0x30 [ 847.629048] do_idle+0x36d/0x830 [ 847.632399] ? do_idle+0x810/0x830 [ 847.635914] cpu_startup_entry+0x45/0x50 [ 847.639956] rest_init+0x1c1/0x1f0 [ 847.643475] ? hpet_time_init+0xb0/0xe0 [ 847.647774] start_kernel+0x1110/0x1120 [ 847.651745] x86_64_start_kernel+0xe4/0xf0 [ 847.655961] secondary_startup_64+0xa5/0xb0 [ 847.660256] Uninit was stored to memory at: [ 847.664556] kmsan_internal_chain_origin+0x12b/0x210 [ 847.669634] __msan_chain_origin+0x69/0xc0 [ 847.673848] dev_hard_start_xmit+0x679/0xc80 [ 847.678233] __dev_queue_xmit+0x2ad2/0x3540 [ 847.682543] dev_queue_xmit+0x4b/0x60 [ 847.686320] neigh_direct_output+0x42/0x50 [ 847.690533] ip_finish_output2+0x1354/0x1480 [ 847.694915] ip_finish_output+0xcbc/0x1000 [ 847.699143] ip_output+0x505/0x5d0 [ 847.702656] ip_queue_xmit+0x1b0f/0x1d00 [ 847.706695] tcp_transmit_skb+0x3db5/0x5350 [ 847.710991] __tcp_retransmit_skb+0x2fd6/0x4100 [ 847.715642] tcp_retransmit_skb+0xa6/0x480 [ 847.719854] tcp_retransmit_timer+0x21f9/0x4280 [ 847.724499] tcp_write_timer_handler+0x5c2/0xef0 [ 847.729228] tcp_write_timer+0x12b/0x280 [ 847.733277] call_timer_fn+0x280/0x5d0 [ 847.737142] __run_timers+0xd96/0x11b0 [ 847.741004] run_timer_softirq+0x43/0x70 [ 847.745046] __do_softirq+0x592/0x979 [ 847.748834] [ 847.750437] Uninit was stored to memory at: [ 847.754742] kmsan_internal_chain_origin+0x12b/0x210 [ 847.759823] __msan_chain_origin+0x69/0xc0 [ 847.764033] __skb_clone+0x8a2/0x990 [ 847.767727] skb_clone+0x3e8/0x590 [ 847.771250] tcp_transmit_skb+0x3e4/0x5350 [ 847.775471] __tcp_retransmit_skb+0x2fd6/0x4100 [ 847.780136] tcp_retransmit_skb+0xa6/0x480 [ 847.784350] tcp_retransmit_timer+0x21f9/0x4280 [ 847.788995] tcp_write_timer_handler+0x5c2/0xef0 [ 847.793728] tcp_write_timer+0x12b/0x280 [ 847.797772] call_timer_fn+0x280/0x5d0 [ 847.801634] __run_timers+0xd96/0x11b0 [ 847.805497] run_timer_softirq+0x43/0x70 [ 847.809535] __do_softirq+0x592/0x979 [ 847.813305] [ 847.814906] Uninit was stored to memory at: [ 847.819211] kmsan_internal_chain_origin+0x12b/0x210 [ 847.824294] __msan_chain_origin+0x69/0xc0 [ 847.828508] dev_hard_start_xmit+0x679/0xc80 [ 847.832891] __dev_queue_xmit+0x2ad2/0x3540 [ 847.837192] dev_queue_xmit+0x4b/0x60 [ 847.840980] ip_finish_output2+0x12a8/0x1480 [ 847.845388] ip_finish_output+0xcbc/0x1000 [ 847.849612] ip_output+0x505/0x5d0 [ 847.853134] ip_local_out+0x164/0x1d0 [ 847.856918] iptunnel_xmit+0x854/0xdb0 [ 847.860780] ip_tunnel_xmit+0x3422/0x37c0 [ 847.864905] ipip_tunnel_xmit+0x32b/0x4c0 [ 847.869031] dev_hard_start_xmit+0x5f6/0xc80 [ 847.873418] __dev_queue_xmit+0x2ad2/0x3540 [ 847.877719] dev_queue_xmit+0x4b/0x60 [ 847.881508] neigh_direct_output+0x42/0x50 [ 847.885719] ip_finish_output2+0x1354/0x1480 [ 847.890108] ip_finish_output+0xcbc/0x1000 [ 847.894316] ip_output+0x505/0x5d0 [ 847.897830] ip_queue_xmit+0x1b0f/0x1d00 [ 847.901878] tcp_transmit_skb+0x3db5/0x5350 [ 847.906179] tcp_write_xmit+0x2d81/0xb200 [ 847.910303] tcp_send_fin+0x1722/0x1e80 [ 847.914267] tcp_close+0x1758/0x18f0 [ 847.917959] inet_release+0x249/0x2b0 [ 847.921744] sock_close+0xeb/0x310 [ 847.925264] __fput+0x458/0xa30 [ 847.928518] ____fput+0x37/0x40 [ 847.931773] task_work_run+0x22e/0x2b0 [ 847.935637] do_exit+0x110e/0x3930 [ 847.939152] do_group_exit+0x1a0/0x360 [ 847.943015] get_signal+0x1405/0x1ec0 [ 847.946793] do_signal+0xb8/0x1d20 [ 847.950309] prepare_exit_to_usermode+0x271/0x3a0 [ 847.955130] syscall_return_slowpath+0xe9/0x710 [ 847.959773] do_syscall_64+0x1ad/0x230 [ 847.963640] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 847.968801] [ 847.970403] Uninit was stored to memory at: [ 847.974705] kmsan_internal_chain_origin+0x12b/0x210 [ 847.979782] __msan_chain_origin+0x69/0xc0 [ 847.984182] dev_hard_start_xmit+0x679/0xc80 [ 847.988577] __dev_queue_xmit+0x2ad2/0x3540 [ 847.992877] dev_queue_xmit+0x4b/0x60 [ 847.996654] neigh_direct_output+0x42/0x50 [ 848.000865] ip_finish_output2+0x1354/0x1480 [ 848.005249] ip_finish_output+0xcbc/0x1000 [ 848.009458] ip_output+0x505/0x5d0 [ 848.012972] ip_queue_xmit+0x1b0f/0x1d00 [ 848.017013] tcp_transmit_skb+0x3db5/0x5350 [ 848.021313] tcp_write_xmit+0x2d81/0xb200 [ 848.025436] tcp_send_fin+0x1722/0x1e80 [ 848.029384] tcp_close+0x1758/0x18f0 [ 848.033082] inet_release+0x249/0x2b0 [ 848.036870] sock_close+0xeb/0x310 [ 848.040389] __fput+0x458/0xa30 [ 848.043645] ____fput+0x37/0x40 [ 848.046902] task_work_run+0x22e/0x2b0 [ 848.050771] do_exit+0x110e/0x3930 [ 848.054287] do_group_exit+0x1a0/0x360 [ 848.058162] get_signal+0x1405/0x1ec0 [ 848.061956] do_signal+0xb8/0x1d20 [ 848.065473] prepare_exit_to_usermode+0x271/0x3a0 [ 848.070291] syscall_return_slowpath+0xe9/0x710 [ 848.074935] do_syscall_64+0x1ad/0x230 [ 848.078800] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 848.083963] [ 848.085566] Uninit was stored to memory at: [ 848.089868] kmsan_internal_chain_origin+0x12b/0x210 [ 848.094953] __msan_chain_origin+0x69/0xc0 [ 848.099170] __skb_clone+0x8a2/0x990 [ 848.102863] skb_clone+0x3e8/0x590 [ 848.106383] tcp_transmit_skb+0x3e4/0x5350 [ 848.110593] tcp_write_xmit+0x2d81/0xb200 [ 848.114721] tcp_send_fin+0x1722/0x1e80 [ 848.118673] tcp_close+0x1758/0x18f0 [ 848.122369] inet_release+0x249/0x2b0 [ 848.126146] sock_close+0xeb/0x310 [ 848.129663] __fput+0x458/0xa30 [ 848.132917] ____fput+0x37/0x40 [ 848.136172] task_work_run+0x22e/0x2b0 [ 848.140036] do_exit+0x110e/0x3930 [ 848.143571] do_group_exit+0x1a0/0x360 [ 848.147438] get_signal+0x1405/0x1ec0 [ 848.151217] do_signal+0xb8/0x1d20 [ 848.154737] prepare_exit_to_usermode+0x271/0x3a0 [ 848.159568] syscall_return_slowpath+0xe9/0x710 [ 848.164225] do_syscall_64+0x1ad/0x230 [ 848.168097] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 848.173260] [ 848.174861] Uninit was stored to memory at: [ 848.179162] kmsan_internal_chain_origin+0x12b/0x210 [ 848.184243] __msan_chain_origin+0x69/0xc0 [ 848.188456] __skb_clone+0x8a2/0x990 [ 848.192145] skb_clone+0x3e8/0x590 [ 848.195663] tcp_transmit_skb+0x3e4/0x5350 [ 848.199873] tcp_write_xmit+0x2d81/0xb200 [ 848.203997] __tcp_push_pending_frames+0x124/0x400 [ 848.208899] tcp_push+0x803/0x8f0 [ 848.212327] tcp_sendmsg_locked+0x4eb1/0x6610 [ 848.216795] tcp_sendmsg+0xb2/0x100 [ 848.220397] inet_sendmsg+0x3fc/0x760 [ 848.224188] __sys_sendto+0x6c4/0x7e0 [ 848.227977] __x64_sys_sendto+0x1a1/0x210 [ 848.232104] do_syscall_64+0x15b/0x230 [ 848.235971] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 848.241137] [ 848.242743] Uninit was stored to memory at: [ 848.247046] kmsan_internal_chain_origin+0x12b/0x210 [ 848.252133] __msan_chain_origin+0x69/0xc0 [ 848.256345] __alloc_skb+0x949/0x9e0 [ 848.260035] sk_stream_alloc_skb+0x17c/0xcf0 [ 848.264425] tcp_sendmsg_locked+0x237e/0x6610 [ 848.268904] tcp_sendmsg+0xb2/0x100 [ 848.272506] inet_sendmsg+0x3fc/0x760 [ 848.276284] __sys_sendto+0x6c4/0x7e0 [ 848.280071] __x64_sys_sendto+0x1a1/0x210 [ 848.284204] do_syscall_64+0x15b/0x230 [ 848.288083] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 848.293266] [ 848.294867] Uninit was created at: [ 848.298387] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 848.303466] kmsan_kmalloc+0x94/0x100 [ 848.307241] kmsan_slab_alloc+0x10/0x20 [ 848.311190] kmem_cache_alloc_node+0x8af/0xc80 [ 848.315749] __alloc_skb+0x202/0x9e0 [ 848.319442] sk_stream_alloc_skb+0x17c/0xcf0 [ 848.323824] tcp_sendmsg_locked+0x237e/0x6610 [ 848.328295] tcp_sendmsg+0xb2/0x100 [ 848.331897] inet_sendmsg+0x3fc/0x760 [ 848.335675] __sys_sendto+0x6c4/0x7e0 [ 848.339453] __x64_sys_sendto+0x1a1/0x210 [ 848.343588] do_syscall_64+0x15b/0x230 [ 848.347454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:34 executed programs: 1106 [ 854.591323] not chained 50000 origins [ 854.595181] CPU: 1 PID: 9433 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 854.601921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 854.611250] Call Trace: [ 854.613810] [ 854.615945] dump_stack+0x185/0x1d0 [ 854.619562] kmsan_internal_chain_origin+0x1ff/0x210 [ 854.624648] ? ip_local_out+0x164/0x1d0 [ 854.628602] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 854.634031] ? iptunnel_xmit+0x963/0xdb0 [ 854.638083] ? kmsan_set_origin_inline+0x6b/0x120 [ 854.642906] ? __msan_poison_alloca+0x15c/0x1d0 [ 854.647558] ? validate_xmit_skb+0xfea/0x1320 [ 854.652033] ? kmsan_set_origin_inline+0x6b/0x120 [ 854.656857] ? __msan_poison_alloca+0x15c/0x1d0 [ 854.661503] ? __dev_queue_xmit+0x2ad2/0x3540 [ 854.665977] __msan_chain_origin+0x69/0xc0 [ 854.670190] dev_hard_start_xmit+0x679/0xc80 [ 854.674590] __dev_queue_xmit+0x2ad2/0x3540 [ 854.678895] dev_queue_xmit+0x4b/0x60 [ 854.682686] neigh_direct_output+0x42/0x50 [ 854.686916] ? neigh_connected_output+0x710/0x710 [ 854.691756] ip_finish_output2+0x1354/0x1480 [ 854.696158] ip_finish_output+0xcbc/0x1000 [ 854.700373] ip_output+0x505/0x5d0 [ 854.703891] ? ip_mc_finish_output+0x3b0/0x3b0 [ 854.708452] ? ip_finish_output+0x1000/0x1000 [ 854.712923] ip_queue_xmit+0x1b0f/0x1d00 [ 854.716962] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 854.722390] ? __skb_clone+0x6ec/0x990 [ 854.726256] ? ip_output+0x5d0/0x5d0 [ 854.729960] tcp_transmit_skb+0x3db5/0x5350 [ 854.734272] __tcp_retransmit_skb+0x2fd6/0x4100 [ 854.738927] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 854.744355] ? bictcp_state+0x1ba/0x2a0 [ 854.748313] tcp_retransmit_skb+0xa6/0x480 [ 854.752528] tcp_retransmit_timer+0x21f9/0x4280 [ 854.757179] tcp_write_timer_handler+0x5c2/0xef0 [ 854.761919] ? call_timer_fn+0x280/0x5d0 [ 854.765968] tcp_write_timer+0x12b/0x280 [ 854.770015] call_timer_fn+0x280/0x5d0 [ 854.773891] ? tcp_init_xmit_timers+0xd0/0xd0 [ 854.778375] __run_timers+0xd96/0x11b0 [ 854.782245] ? tcp_init_xmit_timers+0xd0/0xd0 [ 854.786726] ? irq_exit+0x202/0x240 [ 854.790332] ? run_timer_softirq+0x14/0x70 [ 854.794548] ? timers_dead_cpu+0x1010/0x1010 [ 854.798934] run_timer_softirq+0x43/0x70 [ 854.802984] __do_softirq+0x592/0x979 [ 854.806766] irq_exit+0x202/0x240 [ 854.810272] exiting_irq+0xe/0x10 [ 854.813729] smp_apic_timer_interrupt+0x64/0x90 [ 854.818381] apic_timer_interrupt+0xf/0x20 [ 854.822592] [ 854.824812] RIP: 0010:finish_lock_switch+0x38/0x50 [ 854.829713] RSP: 0018:ffff88019fa2fc60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 854.837400] RAX: ffff88021f2dac40 RBX: 0000000000000001 RCX: ffff880000000000 [ 854.844652] RDX: ffff88021f2dbc40 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 854.851915] RBP: ffff88019fa2fc78 R08: 0000000001080020 R09: 0000000000000002 [ 854.859179] R10: ffffffff7fffffff R11: ffffffff813553c0 R12: ffff88021fd3ec40 [ 854.866440] R13: ffff8801971a4358 R14: 0000000000000000 R15: ffff88021f2dac40 [ 854.873701] ? check_preempt_wakeup+0x1550/0x1550 [ 854.878590] finish_task_switch+0xde/0x270 [ 854.882813] __schedule+0x66b/0x770 [ 854.886428] schedule+0x1cc/0x2f0 [ 854.889867] prepare_exit_to_usermode+0x1cc/0x3a0 [ 854.894690] syscall_return_slowpath+0xe9/0x710 [ 854.899332] ? syscall_return_slowpath+0x86/0x710 [ 854.904206] ? __x64_sys_futex+0x1a2/0x200 [ 854.908419] do_syscall_64+0x1ad/0x230 [ 854.912293] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 854.917460] RIP: 0033:0x455b29 [ 854.920624] RSP: 002b:00007f76f5afac88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 854.928311] RAX: 0000000000000001 RBX: 00007f76f5afb6d4 RCX: 0000000000455b29 [ 854.935560] RDX: 0000000000000002 RSI: 0000000000000001 RDI: 000000000072bf7c [ 854.942808] RBP: 000000000072bf50 R08: 0000000000000000 R09: 0000000000000000 [ 854.950064] R10: 000000000000000f R11: 0000000000000246 R12: 00000000ffffffff [ 854.957323] R13: 00000000004c212f R14: 00000000004d3280 R15: 0000000000000001 [ 854.964575] Uninit was stored to memory at: [ 854.968879] kmsan_internal_chain_origin+0x12b/0x210 [ 854.973964] __msan_chain_origin+0x69/0xc0 [ 854.978186] dev_hard_start_xmit+0x679/0xc80 [ 854.982572] __dev_queue_xmit+0x2ad2/0x3540 [ 854.986870] dev_queue_xmit+0x4b/0x60 [ 854.990646] neigh_direct_output+0x42/0x50 [ 854.994859] ip_finish_output2+0x1354/0x1480 [ 854.999257] ip_finish_output+0xcbc/0x1000 [ 855.003489] ip_output+0x505/0x5d0 [ 855.007004] ip_queue_xmit+0x1b0f/0x1d00 [ 855.011054] tcp_transmit_skb+0x3db5/0x5350 [ 855.015370] __tcp_retransmit_skb+0x2fd6/0x4100 [ 855.020014] tcp_retransmit_skb+0xa6/0x480 [ 855.024225] tcp_retransmit_timer+0x21f9/0x4280 [ 855.028873] tcp_write_timer_handler+0x5c2/0xef0 [ 855.033606] tcp_write_timer+0x12b/0x280 [ 855.037643] call_timer_fn+0x280/0x5d0 [ 855.041521] __run_timers+0xd96/0x11b0 [ 855.045400] run_timer_softirq+0x43/0x70 [ 855.049451] __do_softirq+0x592/0x979 [ 855.053221] [ 855.054825] Uninit was stored to memory at: [ 855.059125] kmsan_internal_chain_origin+0x12b/0x210 [ 855.064202] __msan_chain_origin+0x69/0xc0 [ 855.068415] __skb_clone+0x8a2/0x990 [ 855.072117] skb_clone+0x3e8/0x590 [ 855.075638] tcp_transmit_skb+0x3e4/0x5350 [ 855.079850] __tcp_retransmit_skb+0x2fd6/0x4100 [ 855.084495] tcp_retransmit_skb+0xa6/0x480 [ 855.088705] tcp_retransmit_timer+0x21f9/0x4280 [ 855.093350] tcp_write_timer_handler+0x5c2/0xef0 [ 855.098088] tcp_write_timer+0x12b/0x280 [ 855.102130] call_timer_fn+0x280/0x5d0 [ 855.106008] __run_timers+0xd96/0x11b0 [ 855.109878] run_timer_softirq+0x43/0x70 [ 855.113923] __do_softirq+0x592/0x979 [ 855.117695] [ 855.119294] Uninit was stored to memory at: [ 855.123601] kmsan_internal_chain_origin+0x12b/0x210 [ 855.128690] __msan_chain_origin+0x69/0xc0 [ 855.132904] dev_hard_start_xmit+0x679/0xc80 [ 855.137292] __dev_queue_xmit+0x2ad2/0x3540 [ 855.141593] dev_queue_xmit+0x4b/0x60 [ 855.145373] ip_finish_output2+0x12a8/0x1480 [ 855.149756] ip_finish_output+0xcbc/0x1000 [ 855.153973] ip_output+0x505/0x5d0 [ 855.157488] ip_local_out+0x164/0x1d0 [ 855.161269] iptunnel_xmit+0x854/0xdb0 [ 855.165132] ip_tunnel_xmit+0x3422/0x37c0 [ 855.169261] ipip_tunnel_xmit+0x32b/0x4c0 [ 855.173385] dev_hard_start_xmit+0x5f6/0xc80 [ 855.177773] __dev_queue_xmit+0x2ad2/0x3540 [ 855.182081] dev_queue_xmit+0x4b/0x60 [ 855.185864] neigh_direct_output+0x42/0x50 [ 855.190081] ip_finish_output2+0x1354/0x1480 [ 855.194470] ip_finish_output+0xcbc/0x1000 [ 855.198678] ip_output+0x505/0x5d0 [ 855.202196] ip_queue_xmit+0x1b0f/0x1d00 [ 855.206237] tcp_transmit_skb+0x3db5/0x5350 [ 855.210535] tcp_write_xmit+0x2d81/0xb200 [ 855.214661] tcp_send_fin+0x1722/0x1e80 [ 855.218613] tcp_close+0x1758/0x18f0 [ 855.222302] inet_release+0x249/0x2b0 [ 855.226090] sock_close+0xeb/0x310 [ 855.229614] __fput+0x458/0xa30 [ 855.232870] ____fput+0x37/0x40 [ 855.236123] task_work_run+0x22e/0x2b0 [ 855.239990] do_exit+0x110e/0x3930 [ 855.243508] do_group_exit+0x1a0/0x360 [ 855.247369] get_signal+0x1405/0x1ec0 [ 855.251147] do_signal+0xb8/0x1d20 [ 855.254665] prepare_exit_to_usermode+0x271/0x3a0 [ 855.259483] syscall_return_slowpath+0xe9/0x710 [ 855.264132] do_syscall_64+0x1ad/0x230 [ 855.267998] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 855.273167] [ 855.274769] Uninit was stored to memory at: [ 855.279087] kmsan_internal_chain_origin+0x12b/0x210 [ 855.284168] __msan_chain_origin+0x69/0xc0 [ 855.288382] dev_hard_start_xmit+0x679/0xc80 [ 855.292773] __dev_queue_xmit+0x2ad2/0x3540 [ 855.297083] dev_queue_xmit+0x4b/0x60 [ 855.300870] neigh_direct_output+0x42/0x50 [ 855.305109] ip_finish_output2+0x1354/0x1480 [ 855.309493] ip_finish_output+0xcbc/0x1000 [ 855.313725] ip_output+0x505/0x5d0 [ 855.317244] ip_queue_xmit+0x1b0f/0x1d00 [ 855.321281] tcp_transmit_skb+0x3db5/0x5350 [ 855.325579] tcp_write_xmit+0x2d81/0xb200 [ 855.329706] tcp_send_fin+0x1722/0x1e80 [ 855.333656] tcp_close+0x1758/0x18f0 [ 855.337346] inet_release+0x249/0x2b0 [ 855.341125] sock_close+0xeb/0x310 [ 855.344643] __fput+0x458/0xa30 [ 855.347897] ____fput+0x37/0x40 [ 855.351152] task_work_run+0x22e/0x2b0 [ 855.355016] do_exit+0x110e/0x3930 [ 855.358543] do_group_exit+0x1a0/0x360 [ 855.362407] get_signal+0x1405/0x1ec0 [ 855.366184] do_signal+0xb8/0x1d20 [ 855.369700] prepare_exit_to_usermode+0x271/0x3a0 [ 855.374519] syscall_return_slowpath+0xe9/0x710 [ 855.379161] do_syscall_64+0x1ad/0x230 [ 855.383025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 855.388186] [ 855.389786] Uninit was stored to memory at: [ 855.394096] kmsan_internal_chain_origin+0x12b/0x210 [ 855.399176] __msan_chain_origin+0x69/0xc0 [ 855.403386] __skb_clone+0x8a2/0x990 [ 855.407080] skb_clone+0x3e8/0x590 [ 855.410606] tcp_transmit_skb+0x3e4/0x5350 [ 855.414821] tcp_write_xmit+0x2d81/0xb200 [ 855.418949] tcp_send_fin+0x1722/0x1e80 [ 855.422899] tcp_close+0x1758/0x18f0 [ 855.426588] inet_release+0x249/0x2b0 [ 855.430363] sock_close+0xeb/0x310 [ 855.433880] __fput+0x458/0xa30 [ 855.437134] ____fput+0x37/0x40 [ 855.440391] task_work_run+0x22e/0x2b0 [ 855.444252] do_exit+0x110e/0x3930 [ 855.447768] do_group_exit+0x1a0/0x360 [ 855.451631] get_signal+0x1405/0x1ec0 [ 855.455416] do_signal+0xb8/0x1d20 [ 855.458942] prepare_exit_to_usermode+0x271/0x3a0 [ 855.463763] syscall_return_slowpath+0xe9/0x710 [ 855.468405] do_syscall_64+0x1ad/0x230 [ 855.472636] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 855.477802] [ 855.479402] Uninit was stored to memory at: [ 855.483702] kmsan_internal_chain_origin+0x12b/0x210 [ 855.488780] __msan_chain_origin+0x69/0xc0 [ 855.492995] __skb_clone+0x8a2/0x990 [ 855.496687] skb_clone+0x3e8/0x590 [ 855.500207] tcp_transmit_skb+0x3e4/0x5350 [ 855.504417] tcp_write_xmit+0x2d81/0xb200 [ 855.508549] __tcp_push_pending_frames+0x124/0x400 [ 855.513454] tcp_push+0x803/0x8f0 [ 855.516889] tcp_sendmsg_locked+0x4eb1/0x6610 [ 855.521370] tcp_sendmsg+0xb2/0x100 [ 855.524991] inet_sendmsg+0x3fc/0x760 [ 855.528770] __sys_sendto+0x6c4/0x7e0 [ 855.532550] __x64_sys_sendto+0x1a1/0x210 [ 855.536677] do_syscall_64+0x15b/0x230 [ 855.540545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 855.545706] [ 855.547307] Uninit was stored to memory at: [ 855.551609] kmsan_internal_chain_origin+0x12b/0x210 [ 855.556689] __msan_chain_origin+0x69/0xc0 [ 855.560899] __alloc_skb+0x949/0x9e0 [ 855.564590] sk_stream_alloc_skb+0x17c/0xcf0 [ 855.568989] tcp_sendmsg_locked+0x237e/0x6610 [ 855.573457] tcp_sendmsg+0xb2/0x100 [ 855.577069] inet_sendmsg+0x3fc/0x760 [ 855.580857] __sys_sendto+0x6c4/0x7e0 [ 855.584645] __x64_sys_sendto+0x1a1/0x210 [ 855.588788] do_syscall_64+0x15b/0x230 [ 855.592655] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 855.597813] [ 855.599414] Uninit was created at: [ 855.602932] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 855.608011] kmsan_kmalloc+0x94/0x100 [ 855.611793] kmsan_slab_alloc+0x10/0x20 [ 855.615760] kmem_cache_alloc_node+0x8af/0xc80 [ 855.620328] __alloc_skb+0x202/0x9e0 [ 855.624018] sk_stream_alloc_skb+0x17c/0xcf0 [ 855.628413] tcp_sendmsg_locked+0x237e/0x6610 [ 855.632887] tcp_sendmsg+0xb2/0x100 [ 855.636497] inet_sendmsg+0x3fc/0x760 [ 855.640274] __sys_sendto+0x6c4/0x7e0 [ 855.644054] __x64_sys_sendto+0x1a1/0x210 [ 855.648198] do_syscall_64+0x15b/0x230 [ 855.652088] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:39 executed programs: 1220 2018/06/19 09:21:44 executed programs: 1365 [ 862.287499] not chained 60000 origins [ 862.291332] CPU: 0 PID: 10195 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 862.298147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 862.307475] Call Trace: [ 862.310034] [ 862.312174] dump_stack+0x185/0x1d0 [ 862.315790] kmsan_internal_chain_origin+0x1ff/0x210 [ 862.320877] ? __msan_poison_alloca+0x15c/0x1d0 [ 862.325529] ? local_bh_enable+0x36/0x40 [ 862.329573] ? __local_bh_enable_ip+0x3b/0x140 [ 862.334133] ? local_bh_enable+0x36/0x40 [ 862.338173] ? __local_bh_enable_ip+0x3b/0x140 [ 862.342741] ? kmsan_memcpy_origins+0xf1/0x170 [ 862.347309] ? __copy_skb_header+0x784/0x830 [ 862.351700] __msan_chain_origin+0x69/0xc0 [ 862.355916] __skb_clone+0x8a2/0x990 [ 862.359613] skb_clone+0x3e8/0x590 [ 862.363136] tcp_transmit_skb+0x3e4/0x5350 [ 862.367355] ? kmsan_set_origin_inline+0x6b/0x120 [ 862.372177] ? tcp_v4_md5_lookup+0x44/0x420 [ 862.376480] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 862.381830] __tcp_retransmit_skb+0x2fd6/0x4100 [ 862.386485] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 862.391916] ? bictcp_state+0x1ba/0x2a0 [ 862.395878] tcp_retransmit_skb+0xa6/0x480 [ 862.400100] tcp_retransmit_timer+0x21f9/0x4280 [ 862.404755] ? sched_clock_cpu+0x7e/0x9c0 [ 862.408888] tcp_write_timer_handler+0x5c2/0xef0 [ 862.413627] ? call_timer_fn+0x280/0x5d0 [ 862.417679] tcp_write_timer+0x12b/0x280 [ 862.421722] call_timer_fn+0x280/0x5d0 [ 862.425592] ? tcp_init_xmit_timers+0xd0/0xd0 [ 862.430078] __run_timers+0xd96/0x11b0 [ 862.433948] ? tcp_init_xmit_timers+0xd0/0xd0 [ 862.438431] ? do_softirq_own_stack+0x2a/0x40 [ 862.442909] ? run_timer_softirq+0x14/0x70 [ 862.447125] ? timers_dead_cpu+0x1010/0x1010 [ 862.451516] run_timer_softirq+0x43/0x70 [ 862.455559] __do_softirq+0x592/0x979 [ 862.459343] do_softirq_own_stack+0x2a/0x40 [ 862.463639] [ 862.465868] __local_bh_enable_ip+0x114/0x140 [ 862.470343] local_bh_enable+0x36/0x40 [ 862.474220] __inet_hash_connect+0xfd2/0x1d50 [ 862.478695] ? __msan_poison_alloca+0x15c/0x1d0 [ 862.483346] ? tcp_set_state+0x6cd/0x8d0 [ 862.487388] ? inet_sk_state_store+0x73/0x330 [ 862.491864] ? inet_hash_connect+0x1e0/0x1e0 [ 862.496258] inet_hash_connect+0x1a8/0x1e0 [ 862.500473] tcp_v4_connect+0x1741/0x2590 [ 862.504608] ? inet_stream_connect+0xff/0x170 [ 862.509084] ? tcp_twsk_unique+0x490/0x490 [ 862.513300] __inet_stream_connect+0x2d0/0x13b0 [ 862.517950] ? __local_bh_enable_ip+0x3b/0x140 [ 862.522516] inet_stream_connect+0xff/0x170 [ 862.526821] ? __inet_stream_connect+0x13b0/0x13b0 [ 862.531737] __sys_connect+0x41f/0x510 [ 862.535607] ? syscall_return_slowpath+0xe9/0x710 [ 862.540446] __x64_sys_connect+0xd8/0x120 [ 862.544577] ? __sys_connect+0x510/0x510 [ 862.548617] do_syscall_64+0x15b/0x230 [ 862.552487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 862.557654] RIP: 0033:0x455b29 [ 862.560822] RSP: 002b:00007f76f5b1bc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 862.568508] RAX: ffffffffffffffda RBX: 00007f76f5b1c6d4 RCX: 0000000000455b29 [ 862.575758] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000004 [ 862.583009] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 862.590260] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 862.597508] R13: 00000000004bb938 R14: 00000000004c8648 R15: 0000000000000000 [ 862.604761] Uninit was stored to memory at: [ 862.609080] kmsan_internal_chain_origin+0x12b/0x210 [ 862.614166] __msan_chain_origin+0x69/0xc0 [ 862.618395] dev_hard_start_xmit+0x679/0xc80 [ 862.622783] __dev_queue_xmit+0x2ad2/0x3540 [ 862.627086] dev_queue_xmit+0x4b/0x60 [ 862.630868] ip_finish_output2+0x12a8/0x1480 [ 862.635257] ip_finish_output+0xcbc/0x1000 [ 862.639470] ip_output+0x505/0x5d0 [ 862.642991] ip_local_out+0x164/0x1d0 [ 862.646776] iptunnel_xmit+0x854/0xdb0 [ 862.650639] ip_tunnel_xmit+0x3422/0x37c0 [ 862.654792] ipip_tunnel_xmit+0x32b/0x4c0 [ 862.658920] dev_hard_start_xmit+0x5f6/0xc80 [ 862.663305] __dev_queue_xmit+0x2ad2/0x3540 [ 862.667608] dev_queue_xmit+0x4b/0x60 [ 862.671390] neigh_direct_output+0x42/0x50 [ 862.675602] ip_finish_output2+0x1354/0x1480 [ 862.679989] ip_finish_output+0xcbc/0x1000 [ 862.684200] ip_output+0x505/0x5d0 [ 862.687723] ip_queue_xmit+0x1b0f/0x1d00 [ 862.691769] tcp_transmit_skb+0x3db5/0x5350 [ 862.696077] __tcp_retransmit_skb+0x2fd6/0x4100 [ 862.700726] tcp_send_loss_probe+0xc79/0xf10 [ 862.705128] tcp_write_timer_handler+0x726/0xef0 [ 862.709860] tcp_write_timer+0x12b/0x280 [ 862.713913] call_timer_fn+0x280/0x5d0 [ 862.717779] __run_timers+0xd96/0x11b0 [ 862.721647] run_timer_softirq+0x43/0x70 [ 862.725699] __do_softirq+0x592/0x979 [ 862.729485] [ 862.731091] Uninit was stored to memory at: [ 862.735393] kmsan_internal_chain_origin+0x12b/0x210 [ 862.740474] __msan_chain_origin+0x69/0xc0 [ 862.744692] dev_hard_start_xmit+0x679/0xc80 [ 862.749079] __dev_queue_xmit+0x2ad2/0x3540 [ 862.753383] dev_queue_xmit+0x4b/0x60 [ 862.757164] neigh_direct_output+0x42/0x50 [ 862.761377] ip_finish_output2+0x1354/0x1480 [ 862.765763] ip_finish_output+0xcbc/0x1000 [ 862.769977] ip_output+0x505/0x5d0 [ 862.773497] ip_queue_xmit+0x1b0f/0x1d00 [ 862.777537] tcp_transmit_skb+0x3db5/0x5350 [ 862.781839] __tcp_retransmit_skb+0x2fd6/0x4100 [ 862.786486] tcp_send_loss_probe+0xc79/0xf10 [ 862.790875] tcp_write_timer_handler+0x726/0xef0 [ 862.795607] tcp_write_timer+0x12b/0x280 [ 862.799648] call_timer_fn+0x280/0x5d0 [ 862.803513] __run_timers+0xd96/0x11b0 [ 862.807383] run_timer_softirq+0x43/0x70 [ 862.811435] __do_softirq+0x592/0x979 [ 862.815209] [ 862.816816] Uninit was stored to memory at: [ 862.821117] kmsan_internal_chain_origin+0x12b/0x210 [ 862.826200] __msan_chain_origin+0x69/0xc0 [ 862.830417] __skb_clone+0x8a2/0x990 [ 862.834111] skb_clone+0x3e8/0x590 [ 862.837630] tcp_transmit_skb+0x3e4/0x5350 [ 862.841843] __tcp_retransmit_skb+0x2fd6/0x4100 [ 862.846493] tcp_send_loss_probe+0xc79/0xf10 [ 862.850881] tcp_write_timer_handler+0x726/0xef0 [ 862.855615] tcp_write_timer+0x12b/0x280 [ 862.859655] call_timer_fn+0x280/0x5d0 [ 862.863530] __run_timers+0xd96/0x11b0 [ 862.867399] run_timer_softirq+0x43/0x70 [ 862.871442] __do_softirq+0x592/0x979 [ 862.875215] [ 862.876819] Uninit was stored to memory at: [ 862.881125] kmsan_internal_chain_origin+0x12b/0x210 [ 862.886217] __msan_chain_origin+0x69/0xc0 [ 862.890435] dev_hard_start_xmit+0x679/0xc80 [ 862.894823] __dev_queue_xmit+0x2ad2/0x3540 [ 862.899127] dev_queue_xmit+0x4b/0x60 [ 862.902905] ip_finish_output2+0x12a8/0x1480 [ 862.907294] ip_finish_output+0xcbc/0x1000 [ 862.911506] ip_output+0x505/0x5d0 [ 862.915023] ip_local_out+0x164/0x1d0 [ 862.918804] iptunnel_xmit+0x854/0xdb0 [ 862.922807] ip_tunnel_xmit+0x3422/0x37c0 [ 862.926935] ipip_tunnel_xmit+0x32b/0x4c0 [ 862.931068] dev_hard_start_xmit+0x5f6/0xc80 [ 862.935558] __dev_queue_xmit+0x2ad2/0x3540 [ 862.939861] dev_queue_xmit+0x4b/0x60 [ 862.943643] neigh_direct_output+0x42/0x50 [ 862.947857] ip_finish_output2+0x1354/0x1480 [ 862.952244] ip_finish_output+0xcbc/0x1000 [ 862.956459] ip_output+0x505/0x5d0 [ 862.959981] ip_queue_xmit+0x1b0f/0x1d00 [ 862.964023] tcp_transmit_skb+0x3db5/0x5350 [ 862.968327] tcp_write_xmit+0x2d81/0xb200 [ 862.972454] tcp_send_fin+0x1722/0x1e80 [ 862.976406] tcp_close+0x1758/0x18f0 [ 862.980101] inet_release+0x249/0x2b0 [ 862.983880] sock_close+0xeb/0x310 [ 862.987401] __fput+0x458/0xa30 [ 862.990674] ____fput+0x37/0x40 [ 862.993934] task_work_run+0x22e/0x2b0 [ 862.997803] do_exit+0x110e/0x3930 [ 863.001326] do_group_exit+0x1a0/0x360 [ 863.005194] get_signal+0x1405/0x1ec0 [ 863.009067] do_signal+0xb8/0x1d20 [ 863.012590] prepare_exit_to_usermode+0x271/0x3a0 [ 863.017411] syscall_return_slowpath+0xe9/0x710 [ 863.022076] do_syscall_64+0x1ad/0x230 [ 863.025946] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 863.031109] [ 863.032711] Uninit was stored to memory at: [ 863.037018] kmsan_internal_chain_origin+0x12b/0x210 [ 863.042099] __msan_chain_origin+0x69/0xc0 [ 863.046314] dev_hard_start_xmit+0x679/0xc80 [ 863.050700] __dev_queue_xmit+0x2ad2/0x3540 [ 863.055002] dev_queue_xmit+0x4b/0x60 [ 863.058787] neigh_direct_output+0x42/0x50 [ 863.063001] ip_finish_output2+0x1354/0x1480 [ 863.067386] ip_finish_output+0xcbc/0x1000 [ 863.071604] ip_output+0x505/0x5d0 [ 863.075125] ip_queue_xmit+0x1b0f/0x1d00 [ 863.079166] tcp_transmit_skb+0x3db5/0x5350 [ 863.083468] tcp_write_xmit+0x2d81/0xb200 [ 863.087596] tcp_send_fin+0x1722/0x1e80 [ 863.091548] tcp_close+0x1758/0x18f0 [ 863.095241] inet_release+0x249/0x2b0 [ 863.099018] sock_close+0xeb/0x310 [ 863.102541] __fput+0x458/0xa30 [ 863.105803] ____fput+0x37/0x40 [ 863.109068] task_work_run+0x22e/0x2b0 [ 863.112938] do_exit+0x110e/0x3930 [ 863.116460] do_group_exit+0x1a0/0x360 [ 863.120330] get_signal+0x1405/0x1ec0 [ 863.124112] do_signal+0xb8/0x1d20 [ 863.127632] prepare_exit_to_usermode+0x271/0x3a0 [ 863.132454] syscall_return_slowpath+0xe9/0x710 [ 863.137101] do_syscall_64+0x1ad/0x230 [ 863.140971] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 863.146148] [ 863.147751] Uninit was stored to memory at: [ 863.152059] kmsan_internal_chain_origin+0x12b/0x210 [ 863.157144] __msan_chain_origin+0x69/0xc0 [ 863.161358] __skb_clone+0x8a2/0x990 [ 863.165054] skb_clone+0x3e8/0x590 [ 863.168580] tcp_transmit_skb+0x3e4/0x5350 [ 863.172795] tcp_write_xmit+0x2d81/0xb200 [ 863.176923] tcp_send_fin+0x1722/0x1e80 [ 863.180875] tcp_close+0x1758/0x18f0 [ 863.184584] inet_release+0x249/0x2b0 [ 863.188361] sock_close+0xeb/0x310 [ 863.191885] __fput+0x458/0xa30 [ 863.195142] ____fput+0x37/0x40 [ 863.198400] task_work_run+0x22e/0x2b0 [ 863.202268] do_exit+0x110e/0x3930 [ 863.205790] do_group_exit+0x1a0/0x360 [ 863.209674] get_signal+0x1405/0x1ec0 [ 863.213456] do_signal+0xb8/0x1d20 [ 863.216975] prepare_exit_to_usermode+0x271/0x3a0 [ 863.221813] syscall_return_slowpath+0xe9/0x710 [ 863.226460] do_syscall_64+0x1ad/0x230 [ 863.230328] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 863.235491] [ 863.237094] Uninit was stored to memory at: [ 863.241397] kmsan_internal_chain_origin+0x12b/0x210 [ 863.246480] __msan_chain_origin+0x69/0xc0 [ 863.250695] __alloc_skb+0x949/0x9e0 [ 863.254389] tcp_send_fin+0x4dc/0x1e80 [ 863.258256] tcp_close+0x1758/0x18f0 [ 863.261951] inet_release+0x249/0x2b0 [ 863.265733] sock_close+0xeb/0x310 [ 863.269256] __fput+0x458/0xa30 [ 863.272515] ____fput+0x37/0x40 [ 863.275777] task_work_run+0x22e/0x2b0 [ 863.279645] do_exit+0x110e/0x3930 [ 863.283163] do_group_exit+0x1a0/0x360 [ 863.287029] get_signal+0x1405/0x1ec0 [ 863.290810] do_signal+0xb8/0x1d20 [ 863.294328] prepare_exit_to_usermode+0x271/0x3a0 [ 863.299151] syscall_return_slowpath+0xe9/0x710 [ 863.303800] do_syscall_64+0x1ad/0x230 [ 863.307671] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 863.312834] [ 863.314437] Uninit was created at: [ 863.317957] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 863.323038] kmsan_kmalloc+0x94/0x100 [ 863.326825] kmsan_slab_alloc+0x10/0x20 [ 863.330779] kmem_cache_alloc_node+0x8af/0xc80 [ 863.335340] __alloc_skb+0x202/0x9e0 [ 863.339032] tcp_send_fin+0x4dc/0x1e80 [ 863.342900] tcp_close+0x1758/0x18f0 [ 863.346592] inet_release+0x249/0x2b0 [ 863.350370] sock_close+0xeb/0x310 [ 863.353889] __fput+0x458/0xa30 [ 863.357151] ____fput+0x37/0x40 [ 863.360413] task_work_run+0x22e/0x2b0 [ 863.364279] do_exit+0x110e/0x3930 [ 863.367798] do_group_exit+0x1a0/0x360 [ 863.371664] get_signal+0x1405/0x1ec0 [ 863.375442] do_signal+0xb8/0x1d20 [ 863.378958] prepare_exit_to_usermode+0x271/0x3a0 [ 863.383782] syscall_return_slowpath+0xe9/0x710 [ 863.388430] do_syscall_64+0x1ad/0x230 [ 863.392299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:49 executed programs: 1477 [ 869.535586] not chained 70000 origins [ 869.539439] CPU: 1 PID: 10900 Comm: udevd Not tainted 4.17.0+ #9 [ 869.545577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 869.554916] Call Trace: [ 869.557482] [ 869.559625] dump_stack+0x185/0x1d0 [ 869.563257] kmsan_internal_chain_origin+0x1ff/0x210 [ 869.568366] ? ip_tunnel_xmit+0x3422/0x37c0 [ 869.572690] ? kmsan_set_origin_inline+0x6b/0x120 [ 869.577535] ? __msan_poison_alloca+0x15c/0x1d0 [ 869.582210] ? validate_xmit_skb+0xfea/0x1320 [ 869.586710] ? kmsan_set_origin_inline+0x6b/0x120 [ 869.591551] ? __msan_poison_alloca+0x15c/0x1d0 [ 869.596217] ? __dev_queue_xmit+0x2ad2/0x3540 [ 869.600720] __msan_chain_origin+0x69/0xc0 [ 869.604959] dev_hard_start_xmit+0x679/0xc80 [ 869.609375] __dev_queue_xmit+0x2ad2/0x3540 [ 869.613712] dev_queue_xmit+0x4b/0x60 [ 869.617518] neigh_direct_output+0x42/0x50 [ 869.621774] ? neigh_connected_output+0x710/0x710 [ 869.626615] ip_finish_output2+0x1354/0x1480 [ 869.631011] ip_finish_output+0xcbc/0x1000 [ 869.635237] ip_output+0x505/0x5d0 [ 869.638773] ? ip_mc_finish_output+0x3b0/0x3b0 [ 869.643356] ? ip_finish_output+0x1000/0x1000 [ 869.647849] ip_queue_xmit+0x1b0f/0x1d00 [ 869.651911] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 869.657363] ? __skb_clone+0x6ec/0x990 [ 869.661263] ? ip_output+0x5d0/0x5d0 [ 869.664980] tcp_transmit_skb+0x3db5/0x5350 [ 869.669303] __tcp_retransmit_skb+0x2fd6/0x4100 [ 869.673961] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 869.679409] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 869.684859] ? bictcp_state+0x1ba/0x2a0 [ 869.688850] tcp_retransmit_skb+0xa6/0x480 [ 869.693087] tcp_retransmit_timer+0x21f9/0x4280 [ 869.697765] tcp_write_timer_handler+0x5c2/0xef0 [ 869.702513] ? call_timer_fn+0x280/0x5d0 [ 869.706567] tcp_write_timer+0x12b/0x280 [ 869.710612] call_timer_fn+0x280/0x5d0 [ 869.714487] ? tcp_init_xmit_timers+0xd0/0xd0 [ 869.718986] __run_timers+0xd96/0x11b0 [ 869.722869] ? tcp_init_xmit_timers+0xd0/0xd0 [ 869.727366] ? irq_exit+0x202/0x240 [ 869.730987] ? run_timer_softirq+0x14/0x70 [ 869.735215] ? timers_dead_cpu+0x1010/0x1010 [ 869.739617] run_timer_softirq+0x43/0x70 [ 869.743678] __do_softirq+0x592/0x979 [ 869.747487] irq_exit+0x202/0x240 [ 869.750944] exiting_irq+0xe/0x10 [ 869.754400] smp_apic_timer_interrupt+0x64/0x90 [ 869.759070] apic_timer_interrupt+0xf/0x20 [ 869.763295] [ 869.765532] RIP: 0010:__msan_poison_alloca+0x14c/0x1d0 [ 869.770800] RSP: 0018:ffff8801b766f1b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 869.778500] RAX: 0000000089000070 RBX: 0000000089000070 RCX: ffff8801b766f1f0 [ 869.785765] RDX: 0000000000000004 RSI: 0000000000000004 RDI: 00000000be2f45bd [ 869.793028] RBP: ffff8801b766f250 R08: 0000000001080020 R09: 0000000000000002 [ 869.800299] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 869.807568] R13: ffffffff8acc1300 R14: 0000000000000246 R15: ffff8801b9fad7c0 [ 869.814857] ? unmap_page_range+0x1db1/0x3be0 [ 869.819351] ? page_remove_rmap+0xe5/0xe40 [ 869.823584] ? unmap_page_range+0x1db1/0x3be0 [ 869.828078] ? unmap_page_range+0x1db1/0x3be0 [ 869.832576] page_remove_rmap+0xe5/0xe40 [ 869.836644] unmap_page_range+0x1db1/0x3be0 [ 869.840987] unmap_single_vma+0x445/0x5e0 [ 869.845143] unmap_vmas+0x1f4/0x360 [ 869.848773] exit_mmap+0x4d7/0x980 [ 869.852313] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 869.857746] ? uprobe_clear_state+0x1b0/0x270 [ 869.862245] ? __mmput+0x3e/0x600 [ 869.865697] __mmput+0x158/0x600 [ 869.869058] ? mmput+0x53/0xf0 [ 869.872247] mmput+0xab/0xf0 [ 869.875266] flush_old_exec+0x1ace/0x2150 [ 869.879490] load_elf_binary+0x139f/0x8fe0 [ 869.883736] ? kmsan_set_origin_inline+0x6b/0x120 [ 869.888602] ? __msan_poison_alloca+0x15c/0x1d0 [ 869.893296] ? kmsan_set_origin_inline+0x6b/0x120 [ 869.898143] ? __msan_poison_alloca+0x15c/0x1d0 [ 869.902807] ? search_binary_handler+0x231/0xac0 [ 869.907554] ? load_elf_binary+0x4c51/0x8fe0 [ 869.911956] ? try_module_get+0x61/0x3d0 [ 869.916012] ? search_binary_handler+0x231/0xac0 [ 869.920765] ? search_binary_handler+0x231/0xac0 [ 869.925523] ? try_module_get+0x61/0x3d0 [ 869.929577] ? search_binary_handler+0x231/0xac0 [ 869.934330] ? search_binary_handler+0x347/0xac0 [ 869.939085] ? load_script+0xcd0/0xcd0 [ 869.942974] search_binary_handler+0x2f4/0xac0 [ 869.947555] do_execveat_common+0x22e4/0x2db0 [ 869.952060] __x64_sys_execve+0x127/0x180 [ 869.956212] ? set_binfmt+0x1b0/0x1b0 [ 869.960015] do_syscall_64+0x15b/0x230 [ 869.963908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 869.969096] RIP: 0033:0x7f34b0084207 [ 869.972800] RSP: 002b:00007ffd95974468 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 869.980491] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f34b0084207 [ 869.987751] RDX: 0000000001537d70 RSI: 00007ffd95974560 RDI: 00007ffd95975570 [ 869.995015] RBP: 0000000000625500 R08: 0000000000000a27 R09: 0000000000000a27 [ 870.002281] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001537d70 [ 870.009551] R13: 0000000000000007 R14: 0000000001526250 R15: 0000000000000005 [ 870.016820] Uninit was stored to memory at: [ 870.021149] kmsan_internal_chain_origin+0x12b/0x210 [ 870.026258] __msan_chain_origin+0x69/0xc0 [ 870.030492] dev_hard_start_xmit+0x679/0xc80 [ 870.034899] __dev_queue_xmit+0x2ad2/0x3540 [ 870.039223] dev_queue_xmit+0x4b/0x60 [ 870.043029] ip_finish_output2+0x12a8/0x1480 [ 870.047431] ip_finish_output+0xcbc/0x1000 [ 870.051660] ip_output+0x505/0x5d0 [ 870.055190] ip_local_out+0x164/0x1d0 [ 870.058978] iptunnel_xmit+0x854/0xdb0 [ 870.062847] ip_tunnel_xmit+0x3422/0x37c0 [ 870.066977] ipip_tunnel_xmit+0x32b/0x4c0 [ 870.071119] dev_hard_start_xmit+0x5f6/0xc80 [ 870.075528] __dev_queue_xmit+0x2ad2/0x3540 [ 870.079858] dev_queue_xmit+0x4b/0x60 [ 870.083659] neigh_direct_output+0x42/0x50 [ 870.087894] ip_finish_output2+0x1354/0x1480 [ 870.092299] ip_finish_output+0xcbc/0x1000 [ 870.096522] ip_output+0x505/0x5d0 [ 870.100055] ip_queue_xmit+0x1b0f/0x1d00 [ 870.104116] tcp_transmit_skb+0x3db5/0x5350 [ 870.108438] __tcp_retransmit_skb+0x2fd6/0x4100 [ 870.113110] tcp_send_loss_probe+0xc79/0xf10 [ 870.117515] tcp_write_timer_handler+0x726/0xef0 [ 870.122263] tcp_write_timer+0x12b/0x280 [ 870.126330] call_timer_fn+0x280/0x5d0 [ 870.130220] __run_timers+0xd96/0x11b0 [ 870.134118] run_timer_softirq+0x43/0x70 [ 870.138179] __do_softirq+0x592/0x979 [ 870.141965] [ 870.143577] Uninit was stored to memory at: [ 870.147893] kmsan_internal_chain_origin+0x12b/0x210 [ 870.153000] __msan_chain_origin+0x69/0xc0 [ 870.157247] dev_hard_start_xmit+0x679/0xc80 [ 870.161652] __dev_queue_xmit+0x2ad2/0x3540 [ 870.165968] dev_queue_xmit+0x4b/0x60 [ 870.169763] neigh_direct_output+0x42/0x50 [ 870.173981] ip_finish_output2+0x1354/0x1480 [ 870.178380] ip_finish_output+0xcbc/0x1000 [ 870.182613] ip_output+0x505/0x5d0 [ 870.186150] ip_queue_xmit+0x1b0f/0x1d00 [ 870.190218] tcp_transmit_skb+0x3db5/0x5350 [ 870.194547] __tcp_retransmit_skb+0x2fd6/0x4100 [ 870.199213] tcp_send_loss_probe+0xc79/0xf10 [ 870.203611] tcp_write_timer_handler+0x726/0xef0 [ 870.208351] tcp_write_timer+0x12b/0x280 [ 870.212407] call_timer_fn+0x280/0x5d0 [ 870.216295] __run_timers+0xd96/0x11b0 [ 870.220183] run_timer_softirq+0x43/0x70 [ 870.224245] __do_softirq+0x592/0x979 [ 870.228028] [ 870.229642] Uninit was stored to memory at: [ 870.233967] kmsan_internal_chain_origin+0x12b/0x210 [ 870.239070] __msan_chain_origin+0x69/0xc0 [ 870.243302] __skb_clone+0x8a2/0x990 [ 870.247008] skb_clone+0x3e8/0x590 [ 870.250550] tcp_transmit_skb+0x3e4/0x5350 [ 870.254787] __tcp_retransmit_skb+0x2fd6/0x4100 [ 870.259460] tcp_send_loss_probe+0xc79/0xf10 [ 870.263868] tcp_write_timer_handler+0x726/0xef0 [ 870.268637] tcp_write_timer+0x12b/0x280 [ 870.272725] call_timer_fn+0x280/0x5d0 [ 870.276608] __run_timers+0xd96/0x11b0 [ 870.280493] run_timer_softirq+0x43/0x70 [ 870.284552] __do_softirq+0x592/0x979 [ 870.288340] [ 870.289959] Uninit was stored to memory at: [ 870.294281] kmsan_internal_chain_origin+0x12b/0x210 [ 870.299382] __msan_chain_origin+0x69/0xc0 [ 870.303622] dev_hard_start_xmit+0x679/0xc80 [ 870.308031] __dev_queue_xmit+0x2ad2/0x3540 [ 870.312356] dev_queue_xmit+0x4b/0x60 [ 870.316154] ip_finish_output2+0x12a8/0x1480 [ 870.320561] ip_finish_output+0xcbc/0x1000 [ 870.324797] ip_output+0x505/0x5d0 [ 870.328330] ip_local_out+0x164/0x1d0 [ 870.332128] iptunnel_xmit+0x854/0xdb0 [ 870.336011] ip_tunnel_xmit+0x3422/0x37c0 [ 870.340163] ipip_tunnel_xmit+0x32b/0x4c0 [ 870.344311] dev_hard_start_xmit+0x5f6/0xc80 [ 870.348724] __dev_queue_xmit+0x2ad2/0x3540 [ 870.353049] dev_queue_xmit+0x4b/0x60 [ 870.356849] neigh_direct_output+0x42/0x50 [ 870.361081] ip_finish_output2+0x1354/0x1480 [ 870.365482] ip_finish_output+0xcbc/0x1000 [ 870.369709] ip_output+0x505/0x5d0 [ 870.373251] ip_queue_xmit+0x1b0f/0x1d00 [ 870.377315] tcp_transmit_skb+0x3db5/0x5350 [ 870.381635] tcp_write_xmit+0x2d81/0xb200 [ 870.385781] tcp_send_fin+0x1722/0x1e80 [ 870.389759] tcp_close+0x1758/0x18f0 [ 870.393471] inet_release+0x249/0x2b0 [ 870.397270] sock_close+0xeb/0x310 [ 870.400809] __fput+0x458/0xa30 [ 870.404087] ____fput+0x37/0x40 [ 870.407363] task_work_run+0x22e/0x2b0 [ 870.411252] do_exit+0x110e/0x3930 [ 870.414784] do_group_exit+0x1a0/0x360 [ 870.418668] __do_sys_exit_group+0x21/0x30 [ 870.422905] __se_sys_exit_group+0x14/0x20 [ 870.427158] __x64_sys_exit_group+0x4c/0x50 [ 870.431479] do_syscall_64+0x15b/0x230 [ 870.435368] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 870.440543] [ 870.442157] Uninit was stored to memory at: [ 870.446467] kmsan_internal_chain_origin+0x12b/0x210 [ 870.451566] __msan_chain_origin+0x69/0xc0 [ 870.455803] dev_hard_start_xmit+0x679/0xc80 [ 870.460205] __dev_queue_xmit+0x2ad2/0x3540 [ 870.464530] dev_queue_xmit+0x4b/0x60 [ 870.468328] neigh_direct_output+0x42/0x50 [ 870.472563] ip_finish_output2+0x1354/0x1480 [ 870.476970] ip_finish_output+0xcbc/0x1000 [ 870.481198] ip_output+0x505/0x5d0 [ 870.484729] ip_queue_xmit+0x1b0f/0x1d00 [ 870.488779] tcp_transmit_skb+0x3db5/0x5350 [ 870.493101] tcp_write_xmit+0x2d81/0xb200 [ 870.497250] tcp_send_fin+0x1722/0x1e80 [ 870.501223] tcp_close+0x1758/0x18f0 [ 870.504942] inet_release+0x249/0x2b0 [ 870.508755] sock_close+0xeb/0x310 [ 870.512322] __fput+0x458/0xa30 [ 870.515595] ____fput+0x37/0x40 [ 870.518869] task_work_run+0x22e/0x2b0 [ 870.522762] do_exit+0x110e/0x3930 [ 870.526294] do_group_exit+0x1a0/0x360 [ 870.530172] __do_sys_exit_group+0x21/0x30 [ 870.534406] __se_sys_exit_group+0x14/0x20 [ 870.538638] __x64_sys_exit_group+0x4c/0x50 [ 870.542958] do_syscall_64+0x15b/0x230 [ 870.546848] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 870.552024] [ 870.553634] Uninit was stored to memory at: [ 870.557959] kmsan_internal_chain_origin+0x12b/0x210 [ 870.563058] __msan_chain_origin+0x69/0xc0 [ 870.567293] __skb_clone+0x8a2/0x990 [ 870.570994] skb_clone+0x3e8/0x590 [ 870.574527] tcp_transmit_skb+0x3e4/0x5350 [ 870.578766] tcp_write_xmit+0x2d81/0xb200 [ 870.582914] tcp_send_fin+0x1722/0x1e80 [ 870.586897] tcp_close+0x1758/0x18f0 [ 870.590626] inet_release+0x249/0x2b0 [ 870.594422] sock_close+0xeb/0x310 [ 870.597962] __fput+0x458/0xa30 [ 870.601240] ____fput+0x37/0x40 [ 870.604514] task_work_run+0x22e/0x2b0 [ 870.608391] do_exit+0x110e/0x3930 [ 870.611920] do_group_exit+0x1a0/0x360 [ 870.615803] __do_sys_exit_group+0x21/0x30 [ 870.620038] __se_sys_exit_group+0x14/0x20 [ 870.624274] __x64_sys_exit_group+0x4c/0x50 [ 870.628589] do_syscall_64+0x15b/0x230 [ 870.632467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 870.637642] [ 870.639255] Uninit was stored to memory at: [ 870.643573] kmsan_internal_chain_origin+0x12b/0x210 [ 870.648670] __msan_chain_origin+0x69/0xc0 [ 870.652897] __alloc_skb+0x949/0x9e0 [ 870.656593] tcp_send_fin+0x4dc/0x1e80 [ 870.660461] tcp_close+0x1758/0x18f0 [ 870.664155] inet_release+0x249/0x2b0 [ 870.667934] sock_close+0xeb/0x310 [ 870.671457] __fput+0x458/0xa30 [ 870.674721] ____fput+0x37/0x40 [ 870.677983] task_work_run+0x22e/0x2b0 [ 870.681852] do_exit+0x110e/0x3930 [ 870.685373] do_group_exit+0x1a0/0x360 [ 870.689240] __do_sys_exit_group+0x21/0x30 [ 870.693455] __se_sys_exit_group+0x14/0x20 [ 870.697670] __x64_sys_exit_group+0x4c/0x50 [ 870.701971] do_syscall_64+0x15b/0x230 [ 870.705842] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 870.711005] [ 870.712608] Uninit was created at: [ 870.716131] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 870.721213] kmsan_kmalloc+0x94/0x100 [ 870.724997] kmsan_slab_alloc+0x10/0x20 [ 870.728951] kmem_cache_alloc_node+0x8af/0xc80 [ 870.733515] __alloc_skb+0x202/0x9e0 [ 870.737210] tcp_send_fin+0x4dc/0x1e80 [ 870.741089] tcp_close+0x1758/0x18f0 [ 870.744783] inet_release+0x249/0x2b0 [ 870.748561] sock_close+0xeb/0x310 [ 870.752085] __fput+0x458/0xa30 [ 870.755344] ____fput+0x37/0x40 [ 870.758601] task_work_run+0x22e/0x2b0 [ 870.762467] do_exit+0x110e/0x3930 [ 870.765989] do_group_exit+0x1a0/0x360 [ 870.769854] __do_sys_exit_group+0x21/0x30 [ 870.774078] __se_sys_exit_group+0x14/0x20 [ 870.778297] __x64_sys_exit_group+0x4c/0x50 [ 870.782598] do_syscall_64+0x15b/0x230 [ 870.786467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:54 executed programs: 1612 [ 875.680932] not chained 80000 origins [ 875.684789] CPU: 1 PID: 11527 Comm: blkid Not tainted 4.17.0+ #9 [ 875.690926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 875.700269] Call Trace: [ 875.702839] [ 875.704987] dump_stack+0x185/0x1d0 [ 875.708617] kmsan_internal_chain_origin+0x1ff/0x210 [ 875.713745] ? ip_route_output_key_hash_rcu+0x12f3/0x3a90 [ 875.719309] ? kmsan_set_origin_inline+0x6b/0x120 [ 875.724153] ? __msan_poison_alloca+0x15c/0x1d0 [ 875.728817] ? xfrm_lookup_route+0xfa/0x360 [ 875.733133] ? xfrm_lookup+0x200/0x39f0 [ 875.737094] ? xfrm_lookup_route+0xfa/0x360 [ 875.741414] ? xfrm_lookup+0xc12/0x39f0 [ 875.745397] ? kmsan_memcpy_origins+0xf1/0x170 [ 875.749987] ? __copy_skb_header+0x784/0x830 [ 875.754397] __msan_chain_origin+0x69/0xc0 [ 875.758636] __skb_clone+0x8a2/0x990 [ 875.762358] skb_clone+0x3e8/0x590 [ 875.765897] tcp_transmit_skb+0x3e4/0x5350 [ 875.770130] ? tcp_v4_md5_lookup+0x44/0x420 [ 875.774449] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 875.779816] __tcp_retransmit_skb+0x2fd6/0x4100 [ 875.784486] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 875.789954] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 875.795432] ? bictcp_state+0x1ba/0x2a0 [ 875.799420] tcp_retransmit_skb+0xa6/0x480 [ 875.803654] tcp_retransmit_timer+0x21f9/0x4280 [ 875.808332] tcp_write_timer_handler+0x5c2/0xef0 [ 875.813096] ? call_timer_fn+0x280/0x5d0 [ 875.817153] tcp_write_timer+0x12b/0x280 [ 875.821216] call_timer_fn+0x280/0x5d0 [ 875.825113] ? tcp_init_xmit_timers+0xd0/0xd0 [ 875.829614] __run_timers+0xd96/0x11b0 [ 875.833504] ? tcp_init_xmit_timers+0xd0/0xd0 [ 875.838005] ? irq_exit+0x202/0x240 [ 875.841633] ? run_timer_softirq+0x14/0x70 [ 875.845862] ? timers_dead_cpu+0x1010/0x1010 [ 875.850257] run_timer_softirq+0x43/0x70 [ 875.854314] __do_softirq+0x592/0x979 [ 875.858117] irq_exit+0x202/0x240 [ 875.861573] exiting_irq+0xe/0x10 [ 875.865028] smp_apic_timer_interrupt+0x64/0x90 [ 875.869701] apic_timer_interrupt+0xf/0x20 [ 875.873942] [ 875.876184] RIP: 0010:kmsan_set_origin_inline+0x9f/0x120 [ 875.881623] RSP: 0000:ffff8801b00af728 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 875.889318] RAX: ffff88019badf810 RBX: 0000000000000002 RCX: 0000000000000003 [ 875.896571] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff8801b00af810 [ 875.903833] RBP: ffff8801b00af750 R08: 0000000001080020 R09: 0000000000000002 [ 875.911105] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 [ 875.918368] R13: 00000000cf6000b1 R14: ffff8801b00af810 R15: 0000000000000008 [ 875.925639] ? kmsan_set_origin_inline+0x6b/0x120 [ 875.930469] __msan_poison_alloca+0x15c/0x1d0 [ 875.934965] ? __alloc_pages_nodemask+0x8a9/0x5cc0 [ 875.939901] ? memcg_kmem_charge+0x8c/0xa40 [ 875.944230] ? __alloc_pages_nodemask+0x8a9/0x5cc0 [ 875.949168] ? __alloc_pages_nodemask+0x8a9/0x5cc0 [ 875.954101] memcg_kmem_charge+0x8c/0xa40 [ 875.958250] __alloc_pages_nodemask+0x8a9/0x5cc0 [ 875.962995] ? __mod_lruvec_page_state+0x36f/0x750 [ 875.967919] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 875.973292] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 875.978649] ? unlock_page_memcg+0x7a/0x160 [ 875.982976] ? page_remove_rmap+0x7ec/0xe40 [ 875.987308] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 875.992670] ? wp_page_copy+0x2227/0x2470 [ 875.996821] alloc_pages_current+0x6b1/0x970 [ 876.001237] pte_alloc_one+0x56/0x100 [ 876.005039] handle_mm_fault+0x2e7b/0x7ed0 [ 876.009278] ? filemap_fault+0x2590/0x2590 [ 876.013514] __do_page_fault+0xec6/0x1a10 [ 876.017670] do_page_fault+0xb7/0x250 [ 876.021470] ? page_fault+0x8/0x30 [ 876.025015] page_fault+0x1e/0x30 [ 876.028466] RIP: 0033:0x7f7f4507df84 [ 876.032171] RSP: 002b:00007fffdcf2f1d0 EFLAGS: 00010202 [ 876.037527] RAX: 00007f7f448bc460 RBX: 00007f7f4528d000 RCX: 00007f7f4508b1d7 [ 876.044788] RDX: 00007f7f44abfe40 RSI: 0000000000000030 RDI: 00007f7f4528d000 [ 876.052050] RBP: 00007fffdcf2f340 R08: 0000000070000029 R09: 000000006ffffdff [ 876.059320] R10: 000000006ffffeff R11: 0000000000000202 R12: 00007fffdcf2f428 [ 876.066591] R13: 000000006fffff48 R14: 00007fffdcf2f0f0 R15: 00007fffdcf2f090 [ 876.073862] Uninit was stored to memory at: [ 876.078189] kmsan_internal_chain_origin+0x12b/0x210 [ 876.083282] __msan_chain_origin+0x69/0xc0 [ 876.087516] dev_hard_start_xmit+0x679/0xc80 [ 876.091919] __dev_queue_xmit+0x2ad2/0x3540 [ 876.096247] dev_queue_xmit+0x4b/0x60 [ 876.100052] ip_finish_output2+0x12a8/0x1480 [ 876.104457] ip_finish_output+0xcbc/0x1000 [ 876.108685] ip_output+0x505/0x5d0 [ 876.112209] ip_local_out+0x164/0x1d0 [ 876.115997] iptunnel_xmit+0x854/0xdb0 [ 876.119870] ip_tunnel_xmit+0x3422/0x37c0 [ 876.124010] ipip_tunnel_xmit+0x32b/0x4c0 [ 876.128156] dev_hard_start_xmit+0x5f6/0xc80 [ 876.132559] __dev_queue_xmit+0x2ad2/0x3540 [ 876.136878] dev_queue_xmit+0x4b/0x60 [ 876.140688] neigh_direct_output+0x42/0x50 [ 876.144936] ip_finish_output2+0x1354/0x1480 [ 876.149344] ip_finish_output+0xcbc/0x1000 [ 876.153573] ip_output+0x505/0x5d0 [ 876.157104] ip_queue_xmit+0x1b0f/0x1d00 [ 876.161150] tcp_transmit_skb+0x3db5/0x5350 [ 876.165453] __tcp_retransmit_skb+0x2fd6/0x4100 [ 876.170116] tcp_send_loss_probe+0xc79/0xf10 [ 876.174518] tcp_write_timer_handler+0x726/0xef0 [ 876.179274] tcp_write_timer+0x12b/0x280 [ 876.183338] call_timer_fn+0x280/0x5d0 [ 876.187230] __run_timers+0xd96/0x11b0 [ 876.191112] run_timer_softirq+0x43/0x70 [ 876.195161] __do_softirq+0x592/0x979 [ 876.198940] [ 876.200553] Uninit was stored to memory at: [ 876.204873] kmsan_internal_chain_origin+0x12b/0x210 [ 876.209977] __msan_chain_origin+0x69/0xc0 [ 876.214215] dev_hard_start_xmit+0x679/0xc80 [ 876.218629] __dev_queue_xmit+0x2ad2/0x3540 [ 876.222947] dev_queue_xmit+0x4b/0x60 [ 876.226737] neigh_direct_output+0x42/0x50 [ 876.230965] ip_finish_output2+0x1354/0x1480 [ 876.235367] ip_finish_output+0xcbc/0x1000 [ 876.239593] ip_output+0x505/0x5d0 [ 876.243126] ip_queue_xmit+0x1b0f/0x1d00 [ 876.247186] tcp_transmit_skb+0x3db5/0x5350 [ 876.251510] __tcp_retransmit_skb+0x2fd6/0x4100 [ 876.256180] tcp_send_loss_probe+0xc79/0xf10 [ 876.260587] tcp_write_timer_handler+0x726/0xef0 [ 876.265339] tcp_write_timer+0x12b/0x280 [ 876.269397] call_timer_fn+0x280/0x5d0 [ 876.273278] __run_timers+0xd96/0x11b0 [ 876.277153] run_timer_softirq+0x43/0x70 [ 876.281206] __do_softirq+0x592/0x979 [ 876.284991] [ 876.286608] Uninit was stored to memory at: [ 876.290940] kmsan_internal_chain_origin+0x12b/0x210 [ 876.296046] __msan_chain_origin+0x69/0xc0 [ 876.300277] __skb_clone+0x8a2/0x990 [ 876.303981] skb_clone+0x3e8/0x590 [ 876.307508] tcp_transmit_skb+0x3e4/0x5350 [ 876.311733] __tcp_retransmit_skb+0x2fd6/0x4100 [ 876.316400] tcp_send_loss_probe+0xc79/0xf10 [ 876.320802] tcp_write_timer_handler+0x726/0xef0 [ 876.325555] tcp_write_timer+0x12b/0x280 [ 876.329619] call_timer_fn+0x280/0x5d0 [ 876.333510] __run_timers+0xd96/0x11b0 [ 876.337396] run_timer_softirq+0x43/0x70 [ 876.341462] __do_softirq+0x592/0x979 [ 876.345246] [ 876.346857] Uninit was stored to memory at: [ 876.351177] kmsan_internal_chain_origin+0x12b/0x210 [ 876.356271] __msan_chain_origin+0x69/0xc0 [ 876.360505] dev_hard_start_xmit+0x679/0xc80 [ 876.364908] __dev_queue_xmit+0x2ad2/0x3540 [ 876.369234] dev_queue_xmit+0x4b/0x60 [ 876.373027] ip_finish_output2+0x12a8/0x1480 [ 876.377429] ip_finish_output+0xcbc/0x1000 [ 876.381650] ip_output+0x505/0x5d0 [ 876.385179] ip_local_out+0x164/0x1d0 [ 876.388971] iptunnel_xmit+0x854/0xdb0 [ 876.392844] ip_tunnel_xmit+0x3422/0x37c0 [ 876.396980] ipip_tunnel_xmit+0x32b/0x4c0 [ 876.401128] dev_hard_start_xmit+0x5f6/0xc80 [ 876.405534] __dev_queue_xmit+0x2ad2/0x3540 [ 876.409851] dev_queue_xmit+0x4b/0x60 [ 876.413667] neigh_direct_output+0x42/0x50 [ 876.417897] ip_finish_output2+0x1354/0x1480 [ 876.422293] ip_finish_output+0xcbc/0x1000 [ 876.426512] ip_output+0x505/0x5d0 [ 876.430039] ip_queue_xmit+0x1b0f/0x1d00 [ 876.434099] tcp_transmit_skb+0x3db5/0x5350 [ 876.438419] tcp_write_xmit+0x2d81/0xb200 [ 876.442567] tcp_send_fin+0x1722/0x1e80 [ 876.446540] tcp_close+0x1758/0x18f0 [ 876.450257] inet_release+0x249/0x2b0 [ 876.454056] sock_close+0xeb/0x310 [ 876.457596] __fput+0x458/0xa30 [ 876.460877] ____fput+0x37/0x40 [ 876.464145] task_work_run+0x22e/0x2b0 [ 876.468023] do_exit+0x110e/0x3930 [ 876.471562] do_group_exit+0x1a0/0x360 [ 876.475449] __do_sys_exit_group+0x21/0x30 [ 876.479682] __se_sys_exit_group+0x14/0x20 [ 876.483918] __x64_sys_exit_group+0x4c/0x50 [ 876.488239] do_syscall_64+0x15b/0x230 [ 876.492132] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 876.497308] [ 876.498923] Uninit was stored to memory at: [ 876.503247] kmsan_internal_chain_origin+0x12b/0x210 [ 876.508347] __msan_chain_origin+0x69/0xc0 [ 876.512583] dev_hard_start_xmit+0x679/0xc80 [ 876.516985] __dev_queue_xmit+0x2ad2/0x3540 [ 876.521308] dev_queue_xmit+0x4b/0x60 [ 876.525106] neigh_direct_output+0x42/0x50 [ 876.529339] ip_finish_output2+0x1354/0x1480 [ 876.533744] ip_finish_output+0xcbc/0x1000 [ 876.537976] ip_output+0x505/0x5d0 [ 876.541514] ip_queue_xmit+0x1b0f/0x1d00 [ 876.545577] tcp_transmit_skb+0x3db5/0x5350 [ 876.549900] tcp_write_xmit+0x2d81/0xb200 [ 876.554045] tcp_send_fin+0x1722/0x1e80 [ 876.558014] tcp_close+0x1758/0x18f0 [ 876.561720] inet_release+0x249/0x2b0 [ 876.565517] sock_close+0xeb/0x310 [ 876.569057] __fput+0x458/0xa30 [ 876.572337] ____fput+0x37/0x40 [ 876.575615] task_work_run+0x22e/0x2b0 [ 876.579503] do_exit+0x110e/0x3930 [ 876.583049] do_group_exit+0x1a0/0x360 [ 876.586934] __do_sys_exit_group+0x21/0x30 [ 876.591169] __se_sys_exit_group+0x14/0x20 [ 876.595401] __x64_sys_exit_group+0x4c/0x50 [ 876.599715] do_syscall_64+0x15b/0x230 [ 876.603598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 876.608769] [ 876.610383] Uninit was stored to memory at: [ 876.614710] kmsan_internal_chain_origin+0x12b/0x210 [ 876.619808] __msan_chain_origin+0x69/0xc0 [ 876.624042] __skb_clone+0x8a2/0x990 [ 876.627753] skb_clone+0x3e8/0x590 [ 876.631296] tcp_transmit_skb+0x3e4/0x5350 [ 876.635523] tcp_write_xmit+0x2d81/0xb200 [ 876.639670] tcp_send_fin+0x1722/0x1e80 [ 876.643650] tcp_close+0x1758/0x18f0 [ 876.647356] inet_release+0x249/0x2b0 [ 876.651145] sock_close+0xeb/0x310 [ 876.654685] __fput+0x458/0xa30 [ 876.657962] ____fput+0x37/0x40 [ 876.661251] task_work_run+0x22e/0x2b0 [ 876.665144] do_exit+0x110e/0x3930 [ 876.668678] do_group_exit+0x1a0/0x360 [ 876.672555] __do_sys_exit_group+0x21/0x30 [ 876.676787] __se_sys_exit_group+0x14/0x20 [ 876.681014] __x64_sys_exit_group+0x4c/0x50 [ 876.685328] do_syscall_64+0x15b/0x230 [ 876.689214] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 876.694395] [ 876.696009] Uninit was stored to memory at: [ 876.700330] kmsan_internal_chain_origin+0x12b/0x210 [ 876.705434] __msan_chain_origin+0x69/0xc0 [ 876.709666] __alloc_skb+0x949/0x9e0 [ 876.713375] tcp_send_fin+0x4dc/0x1e80 [ 876.717255] tcp_close+0x1758/0x18f0 [ 876.720968] inet_release+0x249/0x2b0 [ 876.724764] sock_close+0xeb/0x310 [ 876.728304] __fput+0x458/0xa30 [ 876.731579] ____fput+0x37/0x40 [ 876.734850] task_work_run+0x22e/0x2b0 [ 876.738729] do_exit+0x110e/0x3930 [ 876.742263] do_group_exit+0x1a0/0x360 [ 876.746138] __do_sys_exit_group+0x21/0x30 [ 876.750366] __se_sys_exit_group+0x14/0x20 [ 876.754587] __x64_sys_exit_group+0x4c/0x50 [ 876.758898] do_syscall_64+0x15b/0x230 [ 876.762787] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 876.767962] [ 876.769584] Uninit was created at: [ 876.773124] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 876.778221] kmsan_kmalloc+0x94/0x100 [ 876.782019] kmsan_slab_alloc+0x10/0x20 [ 876.785985] kmem_cache_alloc_node+0x8af/0xc80 [ 876.790559] __alloc_skb+0x202/0x9e0 [ 876.794266] tcp_send_fin+0x4dc/0x1e80 [ 876.798155] tcp_close+0x1758/0x18f0 [ 876.801866] inet_release+0x249/0x2b0 [ 876.805666] sock_close+0xeb/0x310 [ 876.809208] __fput+0x458/0xa30 [ 876.812497] ____fput+0x37/0x40 [ 876.815777] task_work_run+0x22e/0x2b0 [ 876.819657] do_exit+0x110e/0x3930 [ 876.823186] do_group_exit+0x1a0/0x360 [ 876.827062] __do_sys_exit_group+0x21/0x30 [ 876.831289] __se_sys_exit_group+0x14/0x20 [ 876.835511] __x64_sys_exit_group+0x4c/0x50 [ 876.839814] do_syscall_64+0x15b/0x230 [ 876.843695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:21:59 executed programs: 1749 [ 881.823800] not chained 90000 origins [ 881.827643] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 881.833764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 881.843102] Call Trace: [ 881.845671] [ 881.847808] dump_stack+0x185/0x1d0 [ 881.851419] kmsan_internal_chain_origin+0x1ff/0x210 [ 881.856505] ? csum_partial_ext+0x89/0xa0 [ 881.860632] ? __skb_checksum+0xf32/0xfb0 [ 881.864758] ? kmsan_set_origin_inline+0x6b/0x120 [ 881.869592] ? __msan_poison_alloca+0x15c/0x1d0 [ 881.874242] ? validate_xmit_skb+0xfea/0x1320 [ 881.878727] ? kmsan_set_origin_inline+0x6b/0x120 [ 881.883565] ? __msan_poison_alloca+0x15c/0x1d0 [ 881.888214] ? __dev_queue_xmit+0x2ad2/0x3540 [ 881.892687] __msan_chain_origin+0x69/0xc0 [ 881.896903] dev_hard_start_xmit+0x679/0xc80 [ 881.901290] __dev_queue_xmit+0x2ad2/0x3540 [ 881.905611] dev_queue_xmit+0x4b/0x60 [ 881.909393] ip_finish_output2+0x12a8/0x1480 [ 881.913788] ip_finish_output+0xcbc/0x1000 [ 881.918002] ip_output+0x505/0x5d0 [ 881.921528] ? ip_mc_finish_output+0x3b0/0x3b0 [ 881.926101] ? ip_finish_output+0x1000/0x1000 [ 881.930584] ip_local_out+0x164/0x1d0 [ 881.934361] iptunnel_xmit+0x854/0xdb0 [ 881.938242] ip_tunnel_xmit+0x3422/0x37c0 [ 881.942382] ipip_tunnel_xmit+0x32b/0x4c0 [ 881.946508] ? ipip_tunnel_init+0x1d0/0x1d0 [ 881.950809] dev_hard_start_xmit+0x5f6/0xc80 [ 881.955200] __dev_queue_xmit+0x2ad2/0x3540 [ 881.959504] dev_queue_xmit+0x4b/0x60 [ 881.963283] neigh_direct_output+0x42/0x50 [ 881.967507] ? neigh_connected_output+0x710/0x710 [ 881.972338] ip_finish_output2+0x1354/0x1480 [ 881.976732] ip_finish_output+0xcbc/0x1000 [ 881.980945] ip_output+0x505/0x5d0 [ 881.984463] ? ip_mc_finish_output+0x3b0/0x3b0 [ 881.989023] ? ip_finish_output+0x1000/0x1000 [ 881.993494] ip_queue_xmit+0x1b0f/0x1d00 [ 881.997534] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 882.002962] ? __skb_clone+0x6ec/0x990 [ 882.006831] ? ip_output+0x5d0/0x5d0 [ 882.010521] tcp_transmit_skb+0x3db5/0x5350 [ 882.014826] __tcp_retransmit_skb+0x2fd6/0x4100 [ 882.019478] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 882.024912] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 882.030342] ? bictcp_state+0x1ba/0x2a0 [ 882.034297] tcp_retransmit_skb+0xa6/0x480 [ 882.038510] tcp_retransmit_timer+0x21f9/0x4280 [ 882.043159] tcp_write_timer_handler+0x5c2/0xef0 [ 882.047908] ? call_timer_fn+0x280/0x5d0 [ 882.051950] tcp_write_timer+0x12b/0x280 [ 882.055997] call_timer_fn+0x280/0x5d0 [ 882.059864] ? tcp_init_xmit_timers+0xd0/0xd0 [ 882.064336] __run_timers+0xd96/0x11b0 [ 882.068198] ? tcp_init_xmit_timers+0xd0/0xd0 [ 882.072671] ? irq_exit+0x202/0x240 [ 882.076277] ? run_timer_softirq+0x14/0x70 [ 882.080494] ? timers_dead_cpu+0x1010/0x1010 [ 882.084881] run_timer_softirq+0x43/0x70 [ 882.088925] __do_softirq+0x592/0x979 [ 882.092706] irq_exit+0x202/0x240 [ 882.096139] exiting_irq+0xe/0x10 [ 882.099570] smp_apic_timer_interrupt+0x64/0x90 [ 882.104214] apic_timer_interrupt+0xf/0x20 [ 882.108421] [ 882.110640] RIP: 0010:default_idle+0x20b/0x3e0 [ 882.115196] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 882.122883] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 882.130136] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 882.137381] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 882.144636] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 882.151895] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 882.159153] ? __cpuidle_text_start+0x8/0x8 [ 882.163454] ? __cpuidle_text_start+0x8/0x8 [ 882.167753] arch_cpu_idle+0x26/0x30 [ 882.171446] do_idle+0x36d/0x830 [ 882.174788] ? do_idle+0x8/0x830 [ 882.178142] cpu_startup_entry+0x45/0x50 [ 882.182196] rest_init+0x1c1/0x1f0 [ 882.185729] ? hpet_time_init+0xb0/0xe0 [ 882.189683] start_kernel+0x1110/0x1120 [ 882.193636] x86_64_start_kernel+0xe4/0xf0 [ 882.197851] secondary_startup_64+0xa5/0xb0 [ 882.202150] Uninit was stored to memory at: [ 882.206453] kmsan_internal_chain_origin+0x12b/0x210 [ 882.211534] __msan_chain_origin+0x69/0xc0 [ 882.215752] dev_hard_start_xmit+0x679/0xc80 [ 882.220136] __dev_queue_xmit+0x2ad2/0x3540 [ 882.224435] dev_queue_xmit+0x4b/0x60 [ 882.228213] neigh_direct_output+0x42/0x50 [ 882.232429] ip_finish_output2+0x1354/0x1480 [ 882.236811] ip_finish_output+0xcbc/0x1000 [ 882.241026] ip_output+0x505/0x5d0 [ 882.244551] ip_queue_xmit+0x1b0f/0x1d00 [ 882.248588] tcp_transmit_skb+0x3db5/0x5350 [ 882.252887] __tcp_retransmit_skb+0x2fd6/0x4100 [ 882.257535] tcp_retransmit_skb+0xa6/0x480 [ 882.261748] tcp_retransmit_timer+0x21f9/0x4280 [ 882.266393] tcp_write_timer_handler+0x5c2/0xef0 [ 882.271128] tcp_write_timer+0x12b/0x280 [ 882.275175] call_timer_fn+0x280/0x5d0 [ 882.279041] __run_timers+0xd96/0x11b0 [ 882.282913] run_timer_softirq+0x43/0x70 [ 882.286950] __do_softirq+0x592/0x979 [ 882.290726] [ 882.292335] Uninit was stored to memory at: [ 882.296635] kmsan_internal_chain_origin+0x12b/0x210 [ 882.301716] __msan_chain_origin+0x69/0xc0 [ 882.305942] __skb_clone+0x8a2/0x990 [ 882.309635] skb_clone+0x3e8/0x590 [ 882.313152] tcp_transmit_skb+0x3e4/0x5350 [ 882.317363] __tcp_retransmit_skb+0x2fd6/0x4100 [ 882.322018] tcp_retransmit_skb+0xa6/0x480 [ 882.326232] tcp_retransmit_timer+0x21f9/0x4280 [ 882.330876] tcp_write_timer_handler+0x5c2/0xef0 [ 882.335607] tcp_write_timer+0x12b/0x280 [ 882.339648] call_timer_fn+0x280/0x5d0 [ 882.343512] __run_timers+0xd96/0x11b0 [ 882.347376] run_timer_softirq+0x43/0x70 [ 882.351414] __do_softirq+0x592/0x979 [ 882.355184] [ 882.356783] Uninit was stored to memory at: [ 882.361094] kmsan_internal_chain_origin+0x12b/0x210 [ 882.366174] __msan_chain_origin+0x69/0xc0 [ 882.370397] dev_hard_start_xmit+0x679/0xc80 [ 882.374780] __dev_queue_xmit+0x2ad2/0x3540 [ 882.379091] dev_queue_xmit+0x4b/0x60 [ 882.382870] ip_finish_output2+0x12a8/0x1480 [ 882.387252] ip_finish_output+0xcbc/0x1000 [ 882.391468] ip_output+0x505/0x5d0 [ 882.394984] ip_local_out+0x164/0x1d0 [ 882.398759] iptunnel_xmit+0x854/0xdb0 [ 882.402624] ip_tunnel_xmit+0x3422/0x37c0 [ 882.406750] ipip_tunnel_xmit+0x32b/0x4c0 [ 882.410876] dev_hard_start_xmit+0x5f6/0xc80 [ 882.415260] __dev_queue_xmit+0x2ad2/0x3540 [ 882.419559] dev_queue_xmit+0x4b/0x60 [ 882.423338] neigh_direct_output+0x42/0x50 [ 882.427550] ip_finish_output2+0x1354/0x1480 [ 882.431936] ip_finish_output+0xcbc/0x1000 [ 882.436148] ip_output+0x505/0x5d0 [ 882.439666] ip_queue_xmit+0x1b0f/0x1d00 [ 882.443713] tcp_transmit_skb+0x3db5/0x5350 [ 882.448026] tcp_write_xmit+0x2d81/0xb200 [ 882.452152] tcp_send_fin+0x1722/0x1e80 [ 882.456108] tcp_close+0x1758/0x18f0 [ 882.459800] inet_release+0x249/0x2b0 [ 882.463581] sock_close+0xeb/0x310 [ 882.467125] __fput+0x458/0xa30 [ 882.470385] ____fput+0x37/0x40 [ 882.473640] task_work_run+0x22e/0x2b0 [ 882.477505] do_exit+0x110e/0x3930 [ 882.481024] do_group_exit+0x1a0/0x360 [ 882.484889] get_signal+0x1405/0x1ec0 [ 882.488665] do_signal+0xb8/0x1d20 [ 882.492182] prepare_exit_to_usermode+0x271/0x3a0 [ 882.497009] syscall_return_slowpath+0xe9/0x710 [ 882.501662] do_syscall_64+0x1ad/0x230 [ 882.505528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 882.510689] [ 882.512300] Uninit was stored to memory at: [ 882.516601] kmsan_internal_chain_origin+0x12b/0x210 [ 882.521688] __msan_chain_origin+0x69/0xc0 [ 882.525901] dev_hard_start_xmit+0x679/0xc80 [ 882.530287] __dev_queue_xmit+0x2ad2/0x3540 [ 882.534589] dev_queue_xmit+0x4b/0x60 [ 882.538368] neigh_direct_output+0x42/0x50 [ 882.542580] ip_finish_output2+0x1354/0x1480 [ 882.546964] ip_finish_output+0xcbc/0x1000 [ 882.551171] ip_output+0x505/0x5d0 [ 882.554688] ip_queue_xmit+0x1b0f/0x1d00 [ 882.558731] tcp_transmit_skb+0x3db5/0x5350 [ 882.563030] tcp_write_xmit+0x2d81/0xb200 [ 882.567157] tcp_send_fin+0x1722/0x1e80 [ 882.571115] tcp_close+0x1758/0x18f0 [ 882.574814] inet_release+0x249/0x2b0 [ 882.578590] sock_close+0xeb/0x310 [ 882.582115] __fput+0x458/0xa30 [ 882.585381] ____fput+0x37/0x40 [ 882.588640] task_work_run+0x22e/0x2b0 [ 882.592516] do_exit+0x110e/0x3930 [ 882.596043] do_group_exit+0x1a0/0x360 [ 882.599917] get_signal+0x1405/0x1ec0 [ 882.603695] do_signal+0xb8/0x1d20 [ 882.607211] prepare_exit_to_usermode+0x271/0x3a0 [ 882.612031] syscall_return_slowpath+0xe9/0x710 [ 882.616678] do_syscall_64+0x1ad/0x230 [ 882.620542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 882.625701] [ 882.627308] Uninit was stored to memory at: [ 882.631617] kmsan_internal_chain_origin+0x12b/0x210 [ 882.636696] __msan_chain_origin+0x69/0xc0 [ 882.640910] __skb_clone+0x8a2/0x990 [ 882.644600] skb_clone+0x3e8/0x590 [ 882.648135] tcp_transmit_skb+0x3e4/0x5350 [ 882.652347] tcp_write_xmit+0x2d81/0xb200 [ 882.656485] tcp_send_fin+0x1722/0x1e80 [ 882.660456] tcp_close+0x1758/0x18f0 [ 882.664155] inet_release+0x249/0x2b0 [ 882.667933] sock_close+0xeb/0x310 [ 882.671449] __fput+0x458/0xa30 [ 882.674716] ____fput+0x37/0x40 [ 882.677986] task_work_run+0x22e/0x2b0 [ 882.681852] do_exit+0x110e/0x3930 [ 882.685368] do_group_exit+0x1a0/0x360 [ 882.689244] get_signal+0x1405/0x1ec0 [ 882.693021] do_signal+0xb8/0x1d20 [ 882.696540] prepare_exit_to_usermode+0x271/0x3a0 [ 882.701360] syscall_return_slowpath+0xe9/0x710 [ 882.706004] do_syscall_64+0x1ad/0x230 [ 882.709869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 882.715027] [ 882.716628] Uninit was stored to memory at: [ 882.720933] kmsan_internal_chain_origin+0x12b/0x210 [ 882.726014] __msan_chain_origin+0x69/0xc0 [ 882.730228] __skb_clone+0x8a2/0x990 [ 882.733919] skb_clone+0x3e8/0x590 [ 882.737438] tcp_transmit_skb+0x3e4/0x5350 [ 882.741648] tcp_write_xmit+0x2d81/0xb200 [ 882.745772] __tcp_push_pending_frames+0x124/0x400 [ 882.750679] tcp_push+0x803/0x8f0 [ 882.754109] tcp_sendmsg_locked+0x4eb1/0x6610 [ 882.758581] tcp_sendmsg+0xb2/0x100 [ 882.762185] inet_sendmsg+0x3fc/0x760 [ 882.765968] __sys_sendto+0x6c4/0x7e0 [ 882.769754] __x64_sys_sendto+0x1a1/0x210 [ 882.773880] do_syscall_64+0x15b/0x230 [ 882.777746] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 882.782905] [ 882.784509] Uninit was stored to memory at: [ 882.788813] kmsan_internal_chain_origin+0x12b/0x210 [ 882.793898] __msan_chain_origin+0x69/0xc0 [ 882.798118] __alloc_skb+0x949/0x9e0 [ 882.801815] sk_stream_alloc_skb+0x17c/0xcf0 [ 882.806213] tcp_sendmsg_locked+0x237e/0x6610 [ 882.810685] tcp_sendmsg+0xb2/0x100 [ 882.814286] inet_sendmsg+0x3fc/0x760 [ 882.818072] __sys_sendto+0x6c4/0x7e0 [ 882.821857] __x64_sys_sendto+0x1a1/0x210 [ 882.825981] do_syscall_64+0x15b/0x230 [ 882.829847] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 882.835005] [ 882.836603] Uninit was created at: [ 882.840120] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 882.845210] kmsan_kmalloc+0x94/0x100 [ 882.848990] kmsan_slab_alloc+0x10/0x20 [ 882.852950] kmem_cache_alloc_node+0x8af/0xc80 [ 882.857509] __alloc_skb+0x202/0x9e0 [ 882.861242] sk_stream_alloc_skb+0x17c/0xcf0 [ 882.865628] tcp_sendmsg_locked+0x237e/0x6610 [ 882.870100] tcp_sendmsg+0xb2/0x100 [ 882.873712] inet_sendmsg+0x3fc/0x760 2018/06/19 09:22:05 executed programs: 1885 [ 882.877495] __sys_sendto+0x6c4/0x7e0 [ 882.881272] __x64_sys_sendto+0x1a1/0x210 [ 882.885396] do_syscall_64+0x15b/0x230 [ 882.889258] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:10 executed programs: 2022 [ 888.991450] not chained 100000 origins [ 888.995383] CPU: 0 PID: 38 Comm: kworker/0:1 Not tainted 4.17.0+ #9 [ 889.001785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 889.011212] Workqueue: rcu_gp srcu_invoke_callbacks [ 889.016212] Call Trace: [ 889.018774] [ 889.020909] dump_stack+0x185/0x1d0 [ 889.024520] kmsan_internal_chain_origin+0x1ff/0x210 [ 889.029609] ? ip_tunnel_xmit+0x3422/0x37c0 [ 889.033914] ? kmsan_set_origin_inline+0x6b/0x120 [ 889.038738] ? __msan_poison_alloca+0x15c/0x1d0 [ 889.043389] ? validate_xmit_skb+0xfea/0x1320 [ 889.047867] ? kmsan_set_origin_inline+0x6b/0x120 [ 889.052691] ? __msan_poison_alloca+0x15c/0x1d0 [ 889.057338] ? __dev_queue_xmit+0x2ad2/0x3540 [ 889.061812] __msan_chain_origin+0x69/0xc0 [ 889.066031] dev_hard_start_xmit+0x679/0xc80 [ 889.070430] __dev_queue_xmit+0x2ad2/0x3540 [ 889.074773] dev_queue_xmit+0x4b/0x60 [ 889.078558] neigh_direct_output+0x42/0x50 [ 889.082773] ? neigh_connected_output+0x710/0x710 [ 889.087595] ip_finish_output2+0x1354/0x1480 [ 889.091986] ip_finish_output+0xcbc/0x1000 [ 889.096203] ip_output+0x505/0x5d0 [ 889.099728] ? ip_mc_finish_output+0x3b0/0x3b0 [ 889.104291] ? ip_finish_output+0x1000/0x1000 [ 889.108767] ip_queue_xmit+0x1b0f/0x1d00 [ 889.112810] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 889.118240] ? __skb_clone+0x6ec/0x990 [ 889.122111] ? ip_output+0x5d0/0x5d0 [ 889.125809] tcp_transmit_skb+0x3db5/0x5350 [ 889.130123] __tcp_retransmit_skb+0x2fd6/0x4100 [ 889.134775] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 889.140209] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 889.145642] ? bictcp_state+0x1ba/0x2a0 [ 889.149601] tcp_retransmit_skb+0xa6/0x480 [ 889.153819] tcp_retransmit_timer+0x21f9/0x4280 [ 889.158472] tcp_write_timer_handler+0x5c2/0xef0 [ 889.163218] ? call_timer_fn+0x280/0x5d0 [ 889.167263] tcp_write_timer+0x12b/0x280 [ 889.171304] call_timer_fn+0x280/0x5d0 [ 889.175172] ? tcp_init_xmit_timers+0xd0/0xd0 [ 889.179648] __run_timers+0xd96/0x11b0 [ 889.183526] ? tcp_init_xmit_timers+0xd0/0xd0 [ 889.188006] ? irq_exit+0x202/0x240 [ 889.191613] ? run_timer_softirq+0x14/0x70 [ 889.195829] ? timers_dead_cpu+0x1010/0x1010 [ 889.200216] run_timer_softirq+0x43/0x70 [ 889.204258] __do_softirq+0x592/0x979 [ 889.208042] irq_exit+0x202/0x240 [ 889.211482] exiting_irq+0xe/0x10 [ 889.214958] smp_apic_timer_interrupt+0x64/0x90 [ 889.219618] apic_timer_interrupt+0xf/0x20 [ 889.223830] [ 889.226053] RIP: 0010:process_one_work+0x1165/0x1fa0 [ 889.231137] RSP: 0000:ffff8801d843fc88 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 889.238826] RAX: ffff88021f0da540 RBX: 0000000000000000 RCX: ffff880000000000 [ 889.246077] RDX: ffff88021f0db540 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 889.253325] RBP: ffff8801d843fd88 R08: 0000000000000000 R09: 0000000000000002 [ 889.260575] R10: 0000000000000000 R11: ffffffff810c89a0 R12: 0000000000000000 [ 889.267824] R13: 0000000000000000 R14: ffff88021f0da540 R15: ffff88021fc442b8 [ 889.275083] ? time_cpufreq_notifier+0x740/0x740 [ 889.279822] ? process_one_work+0x1141/0x1fa0 [ 889.284303] worker_thread+0x113c/0x24f0 [ 889.288353] kthread+0x4db/0x6c0 [ 889.291698] ? process_one_work+0x1fa0/0x1fa0 [ 889.296177] ? kthread_blkcg+0xf0/0xf0 [ 889.300047] ret_from_fork+0x35/0x40 [ 889.303749] Uninit was stored to memory at: [ 889.308059] kmsan_internal_chain_origin+0x12b/0x210 [ 889.313146] __msan_chain_origin+0x69/0xc0 [ 889.317362] dev_hard_start_xmit+0x679/0xc80 [ 889.321749] __dev_queue_xmit+0x2ad2/0x3540 [ 889.326051] dev_queue_xmit+0x4b/0x60 [ 889.329835] neigh_direct_output+0x42/0x50 [ 889.334048] ip_finish_output2+0x1354/0x1480 [ 889.338439] ip_finish_output+0xcbc/0x1000 [ 889.342651] ip_output+0x505/0x5d0 [ 889.346169] ip_queue_xmit+0x1b0f/0x1d00 [ 889.350210] tcp_transmit_skb+0x3db5/0x5350 [ 889.354511] __tcp_retransmit_skb+0x2fd6/0x4100 [ 889.359159] tcp_retransmit_skb+0xa6/0x480 [ 889.363384] tcp_retransmit_timer+0x21f9/0x4280 [ 889.368030] tcp_write_timer_handler+0x5c2/0xef0 [ 889.372763] tcp_write_timer+0x12b/0x280 [ 889.376807] call_timer_fn+0x280/0x5d0 [ 889.380673] __run_timers+0xd96/0x11b0 [ 889.384540] run_timer_softirq+0x43/0x70 [ 889.388582] __do_softirq+0x592/0x979 [ 889.392354] [ 889.393956] Uninit was stored to memory at: [ 889.398259] kmsan_internal_chain_origin+0x12b/0x210 [ 889.403349] __msan_chain_origin+0x69/0xc0 [ 889.407562] __skb_clone+0x8a2/0x990 [ 889.411256] skb_clone+0x3e8/0x590 [ 889.414787] tcp_transmit_skb+0x3e4/0x5350 [ 889.419003] __tcp_retransmit_skb+0x2fd6/0x4100 [ 889.423651] tcp_retransmit_skb+0xa6/0x480 [ 889.427864] tcp_retransmit_timer+0x21f9/0x4280 [ 889.432512] tcp_write_timer_handler+0x5c2/0xef0 [ 889.437258] tcp_write_timer+0x12b/0x280 [ 889.441300] call_timer_fn+0x280/0x5d0 [ 889.445166] __run_timers+0xd96/0x11b0 [ 889.449032] run_timer_softirq+0x43/0x70 [ 889.453080] __do_softirq+0x592/0x979 [ 889.456867] [ 889.458469] Uninit was stored to memory at: [ 889.462770] kmsan_internal_chain_origin+0x12b/0x210 [ 889.467851] __msan_chain_origin+0x69/0xc0 [ 889.472070] dev_hard_start_xmit+0x679/0xc80 [ 889.476470] __dev_queue_xmit+0x2ad2/0x3540 [ 889.480774] dev_queue_xmit+0x4b/0x60 [ 889.484552] ip_finish_output2+0x12a8/0x1480 [ 889.488938] ip_finish_output+0xcbc/0x1000 [ 889.493153] ip_output+0x505/0x5d0 [ 889.496672] ip_local_out+0x164/0x1d0 [ 889.500450] iptunnel_xmit+0x854/0xdb0 [ 889.504318] ip_tunnel_xmit+0x3422/0x37c0 [ 889.508445] ipip_tunnel_xmit+0x32b/0x4c0 [ 889.512571] dev_hard_start_xmit+0x5f6/0xc80 [ 889.516959] __dev_queue_xmit+0x2ad2/0x3540 [ 889.521259] dev_queue_xmit+0x4b/0x60 [ 889.525041] neigh_direct_output+0x42/0x50 [ 889.529261] ip_finish_output2+0x1354/0x1480 [ 889.533646] ip_finish_output+0xcbc/0x1000 [ 889.537858] ip_output+0x505/0x5d0 [ 889.541378] ip_queue_xmit+0x1b0f/0x1d00 [ 889.545424] tcp_transmit_skb+0x3db5/0x5350 [ 889.549743] tcp_write_xmit+0x2d81/0xb200 [ 889.553871] tcp_send_fin+0x1722/0x1e80 [ 889.557823] tcp_close+0x1758/0x18f0 [ 889.561514] inet_release+0x249/0x2b0 [ 889.565294] sock_close+0xeb/0x310 [ 889.568817] __fput+0x458/0xa30 [ 889.572079] ____fput+0x37/0x40 [ 889.575336] task_work_run+0x22e/0x2b0 [ 889.579207] do_exit+0x110e/0x3930 [ 889.582732] do_group_exit+0x1a0/0x360 [ 889.586601] get_signal+0x1405/0x1ec0 [ 889.590381] do_signal+0xb8/0x1d20 [ 889.593901] prepare_exit_to_usermode+0x271/0x3a0 [ 889.598731] syscall_return_slowpath+0xe9/0x710 [ 889.603379] do_syscall_64+0x1ad/0x230 [ 889.607251] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 889.612422] [ 889.614027] Uninit was stored to memory at: [ 889.618332] kmsan_internal_chain_origin+0x12b/0x210 [ 889.623412] __msan_chain_origin+0x69/0xc0 [ 889.627625] dev_hard_start_xmit+0x679/0xc80 [ 889.632014] __dev_queue_xmit+0x2ad2/0x3540 [ 889.636316] dev_queue_xmit+0x4b/0x60 [ 889.640098] neigh_direct_output+0x42/0x50 [ 889.644772] ip_finish_output2+0x1354/0x1480 [ 889.649169] ip_finish_output+0xcbc/0x1000 [ 889.653382] ip_output+0x505/0x5d0 [ 889.656898] ip_queue_xmit+0x1b0f/0x1d00 [ 889.660940] tcp_transmit_skb+0x3db5/0x5350 [ 889.665239] tcp_write_xmit+0x2d81/0xb200 [ 889.669370] tcp_send_fin+0x1722/0x1e80 [ 889.673323] tcp_close+0x1758/0x18f0 [ 889.677016] inet_release+0x249/0x2b0 [ 889.680798] sock_close+0xeb/0x310 [ 889.684322] __fput+0x458/0xa30 [ 889.687579] ____fput+0x37/0x40 [ 889.690839] task_work_run+0x22e/0x2b0 [ 889.694708] do_exit+0x110e/0x3930 [ 889.698231] do_group_exit+0x1a0/0x360 [ 889.702101] get_signal+0x1405/0x1ec0 [ 889.705883] do_signal+0xb8/0x1d20 [ 889.709403] prepare_exit_to_usermode+0x271/0x3a0 [ 889.714224] syscall_return_slowpath+0xe9/0x710 [ 889.718868] do_syscall_64+0x1ad/0x230 [ 889.722740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 889.727901] [ 889.729503] Uninit was stored to memory at: [ 889.733808] kmsan_internal_chain_origin+0x12b/0x210 [ 889.738888] __msan_chain_origin+0x69/0xc0 [ 889.743102] __skb_clone+0x8a2/0x990 [ 889.746798] skb_clone+0x3e8/0x590 [ 889.750319] tcp_transmit_skb+0x3e4/0x5350 [ 889.754535] tcp_write_xmit+0x2d81/0xb200 [ 889.758661] tcp_send_fin+0x1722/0x1e80 [ 889.762614] tcp_close+0x1758/0x18f0 [ 889.766308] inet_release+0x249/0x2b0 [ 889.770090] sock_close+0xeb/0x310 [ 889.773609] __fput+0x458/0xa30 [ 889.776868] ____fput+0x37/0x40 [ 889.780126] task_work_run+0x22e/0x2b0 [ 889.783994] do_exit+0x110e/0x3930 [ 889.787515] do_group_exit+0x1a0/0x360 [ 889.791383] get_signal+0x1405/0x1ec0 [ 889.795164] do_signal+0xb8/0x1d20 [ 889.798682] prepare_exit_to_usermode+0x271/0x3a0 [ 889.803525] syscall_return_slowpath+0xe9/0x710 [ 889.808172] do_syscall_64+0x1ad/0x230 [ 889.812039] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 889.817205] [ 889.818809] Uninit was stored to memory at: [ 889.823112] kmsan_internal_chain_origin+0x12b/0x210 [ 889.828194] __msan_chain_origin+0x69/0xc0 [ 889.832421] __skb_clone+0x8a2/0x990 [ 889.836113] skb_clone+0x3e8/0x590 [ 889.839632] tcp_transmit_skb+0x3e4/0x5350 [ 889.843846] tcp_write_xmit+0x2d81/0xb200 [ 889.847973] __tcp_push_pending_frames+0x124/0x400 [ 889.852882] tcp_push+0x803/0x8f0 [ 889.856317] tcp_sendmsg_locked+0x4eb1/0x6610 [ 889.860794] tcp_sendmsg+0xb2/0x100 [ 889.864398] inet_sendmsg+0x3fc/0x760 [ 889.868180] __sys_sendto+0x6c4/0x7e0 [ 889.871960] __x64_sys_sendto+0x1a1/0x210 [ 889.876088] do_syscall_64+0x15b/0x230 [ 889.879957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 889.885118] [ 889.886723] Uninit was stored to memory at: [ 889.891027] kmsan_internal_chain_origin+0x12b/0x210 [ 889.896108] __msan_chain_origin+0x69/0xc0 [ 889.900323] __alloc_skb+0x949/0x9e0 [ 889.904018] sk_stream_alloc_skb+0x17c/0xcf0 [ 889.908407] tcp_sendmsg_locked+0x237e/0x6610 [ 889.912883] tcp_sendmsg+0xb2/0x100 [ 889.916488] inet_sendmsg+0x3fc/0x760 [ 889.920268] __sys_sendto+0x6c4/0x7e0 [ 889.924053] __x64_sys_sendto+0x1a1/0x210 [ 889.928195] do_syscall_64+0x15b/0x230 [ 889.932068] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 889.937235] [ 889.938836] Uninit was created at: [ 889.942356] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 889.947441] kmsan_kmalloc+0x94/0x100 [ 889.951222] kmsan_slab_alloc+0x10/0x20 [ 889.955174] kmem_cache_alloc_node+0x8af/0xc80 [ 889.959738] __alloc_skb+0x202/0x9e0 [ 889.963430] sk_stream_alloc_skb+0x17c/0xcf0 [ 889.967821] tcp_sendmsg_locked+0x237e/0x6610 [ 889.972296] tcp_sendmsg+0xb2/0x100 [ 889.975901] inet_sendmsg+0x3fc/0x760 [ 889.979684] __sys_sendto+0x6c4/0x7e0 [ 889.983466] __x64_sys_sendto+0x1a1/0x210 [ 889.987593] do_syscall_64+0x15b/0x230 [ 889.991460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:15 executed programs: 2130 [ 895.975310] not chained 110000 origins [ 895.979244] CPU: 0 PID: 13477 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 895.986076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 895.995419] Call Trace: [ 895.997981] [ 896.000114] dump_stack+0x185/0x1d0 [ 896.003731] kmsan_internal_chain_origin+0x1ff/0x210 [ 896.008815] ? ip_tunnel_xmit+0x3422/0x37c0 [ 896.013114] ? kmsan_set_origin_inline+0x6b/0x120 [ 896.018058] ? __msan_poison_alloca+0x15c/0x1d0 [ 896.022721] ? validate_xmit_skb+0xfea/0x1320 [ 896.027194] ? kmsan_set_origin_inline+0x6b/0x120 [ 896.032015] ? __msan_poison_alloca+0x15c/0x1d0 [ 896.036662] ? __dev_queue_xmit+0x2ad2/0x3540 [ 896.041132] __msan_chain_origin+0x69/0xc0 [ 896.045344] dev_hard_start_xmit+0x679/0xc80 [ 896.049735] __dev_queue_xmit+0x2ad2/0x3540 [ 896.054037] dev_queue_xmit+0x4b/0x60 [ 896.057818] neigh_direct_output+0x42/0x50 [ 896.062030] ? neigh_connected_output+0x710/0x710 [ 896.066854] ip_finish_output2+0x1354/0x1480 [ 896.071248] ip_finish_output+0xcbc/0x1000 [ 896.075462] ip_output+0x505/0x5d0 [ 896.078980] ? ip_mc_finish_output+0x3b0/0x3b0 [ 896.083540] ? ip_finish_output+0x1000/0x1000 [ 896.088010] ip_queue_xmit+0x1b0f/0x1d00 [ 896.092053] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 896.097490] ? __skb_clone+0x6ec/0x990 [ 896.101357] ? ip_output+0x5d0/0x5d0 [ 896.105055] tcp_transmit_skb+0x3db5/0x5350 [ 896.109388] __tcp_retransmit_skb+0x2fd6/0x4100 [ 896.114049] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 896.119488] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 896.124933] ? bictcp_state+0x1ba/0x2a0 [ 896.128900] tcp_retransmit_skb+0xa6/0x480 [ 896.133113] tcp_retransmit_timer+0x21f9/0x4280 [ 896.137763] tcp_write_timer_handler+0x5c2/0xef0 [ 896.142495] ? call_timer_fn+0x280/0x5d0 [ 896.146532] tcp_write_timer+0x12b/0x280 [ 896.150582] call_timer_fn+0x280/0x5d0 [ 896.154452] ? tcp_init_xmit_timers+0xd0/0xd0 [ 896.158923] __run_timers+0xd96/0x11b0 [ 896.162793] ? tcp_init_xmit_timers+0xd0/0xd0 [ 896.167280] ? run_timer_softirq+0x14/0x70 [ 896.171492] ? timers_dead_cpu+0x1010/0x1010 [ 896.175874] run_timer_softirq+0x43/0x70 [ 896.179913] __do_softirq+0x592/0x979 [ 896.183695] irq_exit+0x202/0x240 [ 896.187129] exiting_irq+0xe/0x10 [ 896.190571] smp_apic_timer_interrupt+0x64/0x90 [ 896.195236] apic_timer_interrupt+0xf/0x20 [ 896.199447] [ 896.201680] RIP: 0010:msan_get_shadow_origin_ptr+0x5b/0x230 [ 896.207373] RSP: 0000:ffff880189b4fc20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 896.215063] RAX: ffff8801bffa9d40 RBX: ffffffff8b58a000 RCX: ffff880000000000 [ 896.222314] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff880189b4fd18 [ 896.229571] RBP: ffff880189b4fc50 R08: 0000000001080001 R09: 0000000000000002 [ 896.236820] R10: 0000000000000000 R11: ffffffff81928dc0 R12: ffff880189b22478 [ 896.244071] R13: ffff8801c7ad34b0 R14: ffffffff8b589000 R15: ffff880189b4fd18 [ 896.251334] ? filemap_fault+0x2590/0x2590 [ 896.255549] __msan_metadata_ptr_for_load_8+0x10/0x20 [ 896.260739] handle_mm_fault+0x472c/0x7ed0 [ 896.264957] ? filemap_fault+0x2590/0x2590 [ 896.269187] __do_page_fault+0xec6/0x1a10 [ 896.273319] do_page_fault+0xb7/0x250 [ 896.277098] ? page_fault+0x8/0x30 [ 896.280617] page_fault+0x1e/0x30 [ 896.284052] RIP: 0033:0x4812a0 [ 896.287234] RSP: 002b:0000000000a3eab8 EFLAGS: 00010246 [ 896.292576] RAX: 0000000000000000 RBX: 00000000000008a4 RCX: 000000000045859a [ 896.299823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 896.307073] RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000100e940 [ 896.314322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 896.321568] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000001380 [ 896.328816] Uninit was stored to memory at: [ 896.333122] kmsan_internal_chain_origin+0x12b/0x210 [ 896.338208] __msan_chain_origin+0x69/0xc0 [ 896.342422] dev_hard_start_xmit+0x679/0xc80 [ 896.346804] __dev_queue_xmit+0x2ad2/0x3540 [ 896.351101] dev_queue_xmit+0x4b/0x60 [ 896.354891] ip_finish_output2+0x12a8/0x1480 [ 896.359282] ip_finish_output+0xcbc/0x1000 [ 896.363490] ip_output+0x505/0x5d0 [ 896.367005] ip_local_out+0x164/0x1d0 [ 896.370793] iptunnel_xmit+0x854/0xdb0 [ 896.374653] ip_tunnel_xmit+0x3422/0x37c0 [ 896.378775] ipip_tunnel_xmit+0x32b/0x4c0 [ 896.382905] dev_hard_start_xmit+0x5f6/0xc80 [ 896.387301] __dev_queue_xmit+0x2ad2/0x3540 [ 896.391608] dev_queue_xmit+0x4b/0x60 [ 896.395384] neigh_direct_output+0x42/0x50 [ 896.399604] ip_finish_output2+0x1354/0x1480 [ 896.403997] ip_finish_output+0xcbc/0x1000 [ 896.408214] ip_output+0x505/0x5d0 [ 896.411737] ip_queue_xmit+0x1b0f/0x1d00 [ 896.415780] tcp_transmit_skb+0x3db5/0x5350 [ 896.420083] __tcp_retransmit_skb+0x2fd6/0x4100 [ 896.424735] tcp_send_loss_probe+0xc79/0xf10 [ 896.429117] tcp_write_timer_handler+0x726/0xef0 [ 896.433846] tcp_write_timer+0x12b/0x280 [ 896.437884] call_timer_fn+0x280/0x5d0 [ 896.441755] __run_timers+0xd96/0x11b0 [ 896.445627] run_timer_softirq+0x43/0x70 [ 896.449664] __do_softirq+0x592/0x979 [ 896.453437] [ 896.455038] Uninit was stored to memory at: [ 896.459342] kmsan_internal_chain_origin+0x12b/0x210 [ 896.464420] __msan_chain_origin+0x69/0xc0 [ 896.468638] dev_hard_start_xmit+0x679/0xc80 [ 896.473022] __dev_queue_xmit+0x2ad2/0x3540 [ 896.477329] dev_queue_xmit+0x4b/0x60 [ 896.481116] neigh_direct_output+0x42/0x50 [ 896.485326] ip_finish_output2+0x1354/0x1480 [ 896.489726] ip_finish_output+0xcbc/0x1000 [ 896.493937] ip_output+0x505/0x5d0 [ 896.497450] ip_queue_xmit+0x1b0f/0x1d00 [ 896.501485] tcp_transmit_skb+0x3db5/0x5350 [ 896.505785] __tcp_retransmit_skb+0x2fd6/0x4100 [ 896.510431] tcp_send_loss_probe+0xc79/0xf10 [ 896.514816] tcp_write_timer_handler+0x726/0xef0 [ 896.519552] tcp_write_timer+0x12b/0x280 [ 896.523598] call_timer_fn+0x280/0x5d0 [ 896.527460] __run_timers+0xd96/0x11b0 [ 896.531327] run_timer_softirq+0x43/0x70 [ 896.535364] __do_softirq+0x592/0x979 [ 896.539138] [ 896.540738] Uninit was stored to memory at: [ 896.545039] kmsan_internal_chain_origin+0x12b/0x210 [ 896.550125] __msan_chain_origin+0x69/0xc0 [ 896.554337] __skb_clone+0x8a2/0x990 [ 896.558038] skb_clone+0x3e8/0x590 [ 896.561563] tcp_transmit_skb+0x3e4/0x5350 [ 896.565774] __tcp_retransmit_skb+0x2fd6/0x4100 [ 896.570419] tcp_send_loss_probe+0xc79/0xf10 [ 896.574803] tcp_write_timer_handler+0x726/0xef0 [ 896.579542] tcp_write_timer+0x12b/0x280 [ 896.583589] call_timer_fn+0x280/0x5d0 [ 896.587453] __run_timers+0xd96/0x11b0 [ 896.591330] run_timer_softirq+0x43/0x70 [ 896.595368] __do_softirq+0x592/0x979 [ 896.599149] [ 896.600752] Uninit was stored to memory at: [ 896.605056] kmsan_internal_chain_origin+0x12b/0x210 [ 896.610143] __msan_chain_origin+0x69/0xc0 [ 896.614355] dev_hard_start_xmit+0x679/0xc80 [ 896.618737] __dev_queue_xmit+0x2ad2/0x3540 [ 896.623040] dev_queue_xmit+0x4b/0x60 [ 896.626836] ip_finish_output2+0x12a8/0x1480 [ 896.631217] ip_finish_output+0xcbc/0x1000 [ 896.635434] ip_output+0x505/0x5d0 [ 896.638949] ip_local_out+0x164/0x1d0 [ 896.642735] iptunnel_xmit+0x854/0xdb0 [ 896.646595] ip_tunnel_xmit+0x3422/0x37c0 [ 896.650723] ipip_tunnel_xmit+0x32b/0x4c0 [ 896.654859] dev_hard_start_xmit+0x5f6/0xc80 [ 896.659243] __dev_queue_xmit+0x2ad2/0x3540 [ 896.663542] dev_queue_xmit+0x4b/0x60 [ 896.667317] neigh_direct_output+0x42/0x50 [ 896.671526] ip_finish_output2+0x1354/0x1480 [ 896.675909] ip_finish_output+0xcbc/0x1000 [ 896.680117] ip_output+0x505/0x5d0 [ 896.683640] ip_queue_xmit+0x1b0f/0x1d00 [ 896.687679] tcp_transmit_skb+0x3db5/0x5350 [ 896.691975] tcp_write_xmit+0x2d81/0xb200 [ 896.696107] tcp_send_fin+0x1722/0x1e80 [ 896.700063] tcp_close+0x1758/0x18f0 [ 896.703760] inet_release+0x249/0x2b0 [ 896.707533] sock_close+0xeb/0x310 [ 896.711055] __fput+0x458/0xa30 [ 896.714327] ____fput+0x37/0x40 [ 896.717580] task_work_run+0x22e/0x2b0 [ 896.721452] do_exit+0x110e/0x3930 [ 896.724969] do_group_exit+0x1a0/0x360 [ 896.728834] get_signal+0x1405/0x1ec0 [ 896.732609] do_signal+0xb8/0x1d20 [ 896.736123] prepare_exit_to_usermode+0x271/0x3a0 [ 896.740939] syscall_return_slowpath+0xe9/0x710 [ 896.745581] do_syscall_64+0x1ad/0x230 [ 896.749445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 896.754614] [ 896.756223] Uninit was stored to memory at: [ 896.760523] kmsan_internal_chain_origin+0x12b/0x210 [ 896.765601] __msan_chain_origin+0x69/0xc0 [ 896.769813] dev_hard_start_xmit+0x679/0xc80 [ 896.774196] __dev_queue_xmit+0x2ad2/0x3540 [ 896.778493] dev_queue_xmit+0x4b/0x60 [ 896.782274] neigh_direct_output+0x42/0x50 [ 896.786486] ip_finish_output2+0x1354/0x1480 [ 896.790869] ip_finish_output+0xcbc/0x1000 [ 896.795083] ip_output+0x505/0x5d0 [ 896.798603] ip_queue_xmit+0x1b0f/0x1d00 [ 896.802642] tcp_transmit_skb+0x3db5/0x5350 [ 896.806947] tcp_write_xmit+0x2d81/0xb200 [ 896.811079] tcp_send_fin+0x1722/0x1e80 [ 896.815034] tcp_close+0x1758/0x18f0 [ 896.818745] inet_release+0x249/0x2b0 [ 896.822522] sock_close+0xeb/0x310 [ 896.826038] __fput+0x458/0xa30 [ 896.829298] ____fput+0x37/0x40 [ 896.832554] task_work_run+0x22e/0x2b0 [ 896.836427] do_exit+0x110e/0x3930 [ 896.839951] do_group_exit+0x1a0/0x360 [ 896.843814] get_signal+0x1405/0x1ec0 [ 896.847594] do_signal+0xb8/0x1d20 [ 896.851109] prepare_exit_to_usermode+0x271/0x3a0 [ 896.855928] syscall_return_slowpath+0xe9/0x710 [ 896.860572] do_syscall_64+0x1ad/0x230 [ 896.864435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 896.869606] [ 896.871206] Uninit was stored to memory at: [ 896.875507] kmsan_internal_chain_origin+0x12b/0x210 [ 896.880586] __msan_chain_origin+0x69/0xc0 [ 896.884799] __skb_clone+0x8a2/0x990 [ 896.888491] skb_clone+0x3e8/0x590 [ 896.892008] tcp_transmit_skb+0x3e4/0x5350 [ 896.896219] tcp_write_xmit+0x2d81/0xb200 [ 896.900343] tcp_send_fin+0x1722/0x1e80 [ 896.904292] tcp_close+0x1758/0x18f0 [ 896.907991] inet_release+0x249/0x2b0 [ 896.911765] sock_close+0xeb/0x310 [ 896.915283] __fput+0x458/0xa30 [ 896.918545] ____fput+0x37/0x40 [ 896.921810] task_work_run+0x22e/0x2b0 [ 896.925674] do_exit+0x110e/0x3930 [ 896.929188] do_group_exit+0x1a0/0x360 [ 896.933058] get_signal+0x1405/0x1ec0 [ 896.936840] do_signal+0xb8/0x1d20 [ 896.940355] prepare_exit_to_usermode+0x271/0x3a0 [ 896.945176] syscall_return_slowpath+0xe9/0x710 [ 896.949829] do_syscall_64+0x1ad/0x230 [ 896.953696] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 896.958858] [ 896.960459] Uninit was stored to memory at: [ 896.964759] kmsan_internal_chain_origin+0x12b/0x210 [ 896.969839] __msan_chain_origin+0x69/0xc0 [ 896.974068] __alloc_skb+0x949/0x9e0 [ 896.977768] tcp_send_fin+0x4dc/0x1e80 [ 896.981630] tcp_close+0x1758/0x18f0 [ 896.985317] inet_release+0x249/0x2b0 [ 896.989095] sock_close+0xeb/0x310 [ 896.992612] __fput+0x458/0xa30 [ 896.995864] ____fput+0x37/0x40 [ 896.999117] task_work_run+0x22e/0x2b0 [ 897.002982] do_exit+0x110e/0x3930 [ 897.006497] do_group_exit+0x1a0/0x360 [ 897.010359] get_signal+0x1405/0x1ec0 [ 897.014135] do_signal+0xb8/0x1d20 [ 897.017650] prepare_exit_to_usermode+0x271/0x3a0 [ 897.022466] syscall_return_slowpath+0xe9/0x710 [ 897.027107] do_syscall_64+0x1ad/0x230 [ 897.030970] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 897.036127] [ 897.037729] Uninit was created at: [ 897.041244] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 897.046322] kmsan_kmalloc+0x94/0x100 [ 897.050095] kmsan_slab_alloc+0x10/0x20 [ 897.054043] kmem_cache_alloc_node+0x8af/0xc80 [ 897.058607] __alloc_skb+0x202/0x9e0 [ 897.062296] tcp_send_fin+0x4dc/0x1e80 [ 897.066158] tcp_close+0x1758/0x18f0 [ 897.069845] inet_release+0x249/0x2b0 [ 897.073620] sock_close+0xeb/0x310 [ 897.077133] __fput+0x458/0xa30 [ 897.080388] ____fput+0x37/0x40 [ 897.083650] task_work_run+0x22e/0x2b0 [ 897.087513] do_exit+0x110e/0x3930 [ 897.091026] do_group_exit+0x1a0/0x360 [ 897.094892] get_signal+0x1405/0x1ec0 [ 897.098666] do_signal+0xb8/0x1d20 [ 897.102182] prepare_exit_to_usermode+0x271/0x3a0 [ 897.106997] syscall_return_slowpath+0xe9/0x710 [ 897.111637] do_syscall_64+0x1ad/0x230 [ 897.115511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:20 executed programs: 2234 2018/06/19 09:22:25 executed programs: 2367 [ 903.183141] not chained 120000 origins [ 903.187075] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 903.193199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 903.202525] Call Trace: [ 903.205083] [ 903.207217] dump_stack+0x185/0x1d0 [ 903.210830] kmsan_internal_chain_origin+0x1ff/0x210 [ 903.215910] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 903.221341] ? netif_rx_internal+0x57f/0x6c0 [ 903.225731] ? kmsan_memcpy_origins+0xf1/0x170 [ 903.230291] ? __copy_skb_header+0x784/0x830 [ 903.234676] __msan_chain_origin+0x69/0xc0 [ 903.238890] __skb_clone+0x7b3/0x990 [ 903.242585] ? kmsan_set_origin_inline+0x6b/0x120 [ 903.247491] skb_clone+0x3e8/0x590 [ 903.251100] tcp_transmit_skb+0x3e4/0x5350 [ 903.255311] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 903.260690] ? is_console_locked+0x29/0x50 [ 903.264907] ? update_cfs_rq_load_avg+0x13b1/0x1aa0 [ 903.269897] ? kmsan_report+0x4f/0x2a0 [ 903.273767] ? is_console_locked+0x29/0x50 [ 903.277977] ? update_cfs_rq_load_avg+0x13b1/0x1aa0 [ 903.282969] ? kmsan_set_origin_inline+0x6b/0x120 [ 903.287787] ? tcp_v4_md5_lookup+0x44/0x420 [ 903.292087] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 903.297431] __tcp_retransmit_skb+0x2fd6/0x4100 [ 903.302083] ? update_curr+0x48/0x10a0 [ 903.305950] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 903.311375] ? bictcp_state+0x1ba/0x2a0 [ 903.315328] tcp_retransmit_skb+0xa6/0x480 [ 903.319557] tcp_retransmit_timer+0x21f9/0x4280 [ 903.324209] ? sched_clock_cpu+0x7e/0x9c0 [ 903.328332] tcp_write_timer_handler+0x5c2/0xef0 [ 903.333072] ? call_timer_fn+0x280/0x5d0 [ 903.337113] tcp_write_timer+0x12b/0x280 [ 903.341158] call_timer_fn+0x280/0x5d0 [ 903.345021] ? tcp_init_xmit_timers+0xd0/0xd0 [ 903.349502] __run_timers+0xd96/0x11b0 [ 903.353364] ? tcp_init_xmit_timers+0xd0/0xd0 [ 903.357836] ? irq_exit+0x202/0x240 [ 903.361440] ? run_timer_softirq+0x14/0x70 [ 903.365659] ? timers_dead_cpu+0x1010/0x1010 [ 903.370046] run_timer_softirq+0x43/0x70 [ 903.374091] __do_softirq+0x592/0x979 [ 903.377869] irq_exit+0x202/0x240 [ 903.381299] exiting_irq+0xe/0x10 [ 903.384732] smp_apic_timer_interrupt+0x64/0x90 [ 903.389376] apic_timer_interrupt+0xf/0x20 [ 903.393579] [ 903.395791] RIP: 0010:finish_lock_switch+0x38/0x50 [ 903.400691] RSP: 0018:ffffffff8ac0fce0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 903.408375] RAX: ffff88021f0dac40 RBX: 0000000000000001 RCX: ffff880000000000 [ 903.415621] RDX: ffff88021f0dbc40 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 903.422866] RBP: ffffffff8ac0fcf8 R08: 0000000001080020 R09: 0000000000000002 [ 903.430110] R10: 0000000000000000 R11: ffffffff813578f0 R12: ffff88021fc3ec40 [ 903.437373] R13: ffffffff8ac37b98 R14: 0000000000000000 R15: ffff88021f0dac40 [ 903.444632] ? pick_next_task_fair+0x2530/0x2530 [ 903.449364] finish_task_switch+0xde/0x270 [ 903.453583] __schedule+0x66b/0x770 [ 903.457188] schedule_idle+0x6b/0xd0 [ 903.460879] do_idle+0x807/0x830 [ 903.464218] ? do_idle+0x810/0x830 [ 903.467737] cpu_startup_entry+0x45/0x50 [ 903.471776] rest_init+0x1c1/0x1f0 [ 903.475301] ? hpet_time_init+0xb0/0xe0 [ 903.479254] start_kernel+0x1110/0x1120 [ 903.483206] x86_64_start_kernel+0xe4/0xf0 [ 903.487417] secondary_startup_64+0xa5/0xb0 [ 903.491715] Uninit was stored to memory at: [ 903.496016] kmsan_internal_chain_origin+0x12b/0x210 [ 903.501093] __msan_chain_origin+0x69/0xc0 [ 903.505316] dev_hard_start_xmit+0x679/0xc80 [ 903.509698] __dev_queue_xmit+0x2ad2/0x3540 [ 903.513996] dev_queue_xmit+0x4b/0x60 [ 903.517770] ip_finish_output2+0x12a8/0x1480 [ 903.522151] ip_finish_output+0xcbc/0x1000 [ 903.526358] ip_output+0x505/0x5d0 [ 903.529869] ip_local_out+0x164/0x1d0 [ 903.533643] iptunnel_xmit+0x854/0xdb0 [ 903.537502] ip_tunnel_xmit+0x3422/0x37c0 [ 903.541622] ipip_tunnel_xmit+0x32b/0x4c0 [ 903.545747] dev_hard_start_xmit+0x5f6/0xc80 [ 903.550130] __dev_queue_xmit+0x2ad2/0x3540 [ 903.554426] dev_queue_xmit+0x4b/0x60 [ 903.558203] neigh_direct_output+0x42/0x50 [ 903.562410] ip_finish_output2+0x1354/0x1480 [ 903.566794] ip_finish_output+0xcbc/0x1000 [ 903.571000] ip_output+0x505/0x5d0 [ 903.574513] ip_queue_xmit+0x1b0f/0x1d00 [ 903.578549] tcp_transmit_skb+0x3db5/0x5350 [ 903.582855] __tcp_retransmit_skb+0x2fd6/0x4100 [ 903.587497] tcp_send_loss_probe+0xc79/0xf10 [ 903.591880] tcp_write_timer_handler+0x726/0xef0 [ 903.596609] tcp_write_timer+0x12b/0x280 [ 903.600652] call_timer_fn+0x280/0x5d0 [ 903.604513] __run_timers+0xd96/0x11b0 [ 903.608376] run_timer_softirq+0x43/0x70 [ 903.612415] __do_softirq+0x592/0x979 [ 903.616185] [ 903.617784] Uninit was stored to memory at: [ 903.622090] kmsan_internal_chain_origin+0x12b/0x210 [ 903.627165] __msan_chain_origin+0x69/0xc0 [ 903.631375] dev_hard_start_xmit+0x679/0xc80 [ 903.635758] __dev_queue_xmit+0x2ad2/0x3540 [ 903.640058] dev_queue_xmit+0x4b/0x60 [ 903.644055] neigh_direct_output+0x42/0x50 [ 903.648276] ip_finish_output2+0x1354/0x1480 [ 903.652658] ip_finish_output+0xcbc/0x1000 [ 903.656865] ip_output+0x505/0x5d0 [ 903.660379] ip_queue_xmit+0x1b0f/0x1d00 [ 903.664417] tcp_transmit_skb+0x3db5/0x5350 [ 903.668714] __tcp_retransmit_skb+0x2fd6/0x4100 [ 903.673359] tcp_send_loss_probe+0xc79/0xf10 [ 903.677739] tcp_write_timer_handler+0x726/0xef0 [ 903.682467] tcp_write_timer+0x12b/0x280 [ 903.686501] call_timer_fn+0x280/0x5d0 [ 903.690362] __run_timers+0xd96/0x11b0 [ 903.694224] run_timer_softirq+0x43/0x70 [ 903.698261] __do_softirq+0x592/0x979 [ 903.702031] [ 903.703632] Uninit was stored to memory at: [ 903.707930] kmsan_internal_chain_origin+0x12b/0x210 [ 903.713006] __msan_chain_origin+0x69/0xc0 [ 903.717215] __skb_clone+0x8a2/0x990 [ 903.720904] skb_clone+0x3e8/0x590 [ 903.724417] tcp_transmit_skb+0x3e4/0x5350 [ 903.728626] __tcp_retransmit_skb+0x2fd6/0x4100 [ 903.733271] tcp_send_loss_probe+0xc79/0xf10 [ 903.737651] tcp_write_timer_handler+0x726/0xef0 [ 903.742380] tcp_write_timer+0x12b/0x280 [ 903.746415] call_timer_fn+0x280/0x5d0 [ 903.750277] __run_timers+0xd96/0x11b0 [ 903.754139] run_timer_softirq+0x43/0x70 [ 903.758174] __do_softirq+0x592/0x979 [ 903.761951] [ 903.763551] Uninit was stored to memory at: [ 903.767850] kmsan_internal_chain_origin+0x12b/0x210 [ 903.772925] __msan_chain_origin+0x69/0xc0 [ 903.777143] dev_hard_start_xmit+0x679/0xc80 [ 903.781524] __dev_queue_xmit+0x2ad2/0x3540 [ 903.785829] dev_queue_xmit+0x4b/0x60 [ 903.789605] ip_finish_output2+0x12a8/0x1480 [ 903.793989] ip_finish_output+0xcbc/0x1000 [ 903.798198] ip_output+0x505/0x5d0 [ 903.801716] ip_local_out+0x164/0x1d0 [ 903.805492] iptunnel_xmit+0x854/0xdb0 [ 903.809353] ip_tunnel_xmit+0x3422/0x37c0 [ 903.813475] ipip_tunnel_xmit+0x32b/0x4c0 [ 903.817599] dev_hard_start_xmit+0x5f6/0xc80 [ 903.821980] __dev_queue_xmit+0x2ad2/0x3540 [ 903.826278] dev_queue_xmit+0x4b/0x60 [ 903.830073] neigh_direct_output+0x42/0x50 [ 903.834287] ip_finish_output2+0x1354/0x1480 [ 903.838677] ip_finish_output+0xcbc/0x1000 [ 903.842891] ip_output+0x505/0x5d0 [ 903.846406] ip_queue_xmit+0x1b0f/0x1d00 [ 903.850442] tcp_transmit_skb+0x3db5/0x5350 [ 903.854741] tcp_write_xmit+0x2d81/0xb200 [ 903.858871] tcp_send_fin+0x1722/0x1e80 [ 903.862822] tcp_close+0x1758/0x18f0 [ 903.866509] inet_release+0x249/0x2b0 [ 903.870286] sock_close+0xeb/0x310 [ 903.873804] __fput+0x458/0xa30 [ 903.877065] ____fput+0x37/0x40 [ 903.880330] task_work_run+0x22e/0x2b0 [ 903.884200] do_exit+0x110e/0x3930 [ 903.887720] do_group_exit+0x1a0/0x360 [ 903.891583] get_signal+0x1405/0x1ec0 [ 903.895359] do_signal+0xb8/0x1d20 [ 903.898872] prepare_exit_to_usermode+0x271/0x3a0 [ 903.903688] syscall_return_slowpath+0xe9/0x710 [ 903.908332] do_syscall_64+0x1ad/0x230 [ 903.912196] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 903.917355] [ 903.918953] Uninit was stored to memory at: [ 903.923263] kmsan_internal_chain_origin+0x12b/0x210 [ 903.928341] __msan_chain_origin+0x69/0xc0 [ 903.932551] dev_hard_start_xmit+0x679/0xc80 [ 903.936931] __dev_queue_xmit+0x2ad2/0x3540 [ 903.941227] dev_queue_xmit+0x4b/0x60 [ 903.945003] neigh_direct_output+0x42/0x50 [ 903.949219] ip_finish_output2+0x1354/0x1480 [ 903.953601] ip_finish_output+0xcbc/0x1000 [ 903.957806] ip_output+0x505/0x5d0 [ 903.961319] ip_queue_xmit+0x1b0f/0x1d00 [ 903.965356] tcp_transmit_skb+0x3db5/0x5350 [ 903.969654] tcp_write_xmit+0x2d81/0xb200 [ 903.973775] tcp_send_fin+0x1722/0x1e80 [ 903.977727] tcp_close+0x1758/0x18f0 [ 903.981422] inet_release+0x249/0x2b0 [ 903.985202] sock_close+0xeb/0x310 [ 903.988720] __fput+0x458/0xa30 [ 903.991974] ____fput+0x37/0x40 [ 903.995228] task_work_run+0x22e/0x2b0 [ 903.999093] do_exit+0x110e/0x3930 [ 904.002608] do_group_exit+0x1a0/0x360 [ 904.006468] get_signal+0x1405/0x1ec0 [ 904.010247] do_signal+0xb8/0x1d20 [ 904.013760] prepare_exit_to_usermode+0x271/0x3a0 [ 904.018574] syscall_return_slowpath+0xe9/0x710 [ 904.023223] do_syscall_64+0x1ad/0x230 [ 904.027090] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 904.032246] [ 904.033846] Uninit was stored to memory at: [ 904.038145] kmsan_internal_chain_origin+0x12b/0x210 [ 904.043222] __msan_chain_origin+0x69/0xc0 [ 904.047433] __skb_clone+0x8a2/0x990 [ 904.051120] skb_clone+0x3e8/0x590 [ 904.054635] tcp_transmit_skb+0x3e4/0x5350 [ 904.058842] tcp_write_xmit+0x2d81/0xb200 [ 904.062978] tcp_send_fin+0x1722/0x1e80 [ 904.066925] tcp_close+0x1758/0x18f0 [ 904.070614] inet_release+0x249/0x2b0 [ 904.074388] sock_close+0xeb/0x310 [ 904.077904] __fput+0x458/0xa30 [ 904.081157] ____fput+0x37/0x40 [ 904.084410] task_work_run+0x22e/0x2b0 [ 904.088274] do_exit+0x110e/0x3930 [ 904.091789] do_group_exit+0x1a0/0x360 [ 904.095653] get_signal+0x1405/0x1ec0 [ 904.099433] do_signal+0xb8/0x1d20 [ 904.102948] prepare_exit_to_usermode+0x271/0x3a0 [ 904.107765] syscall_return_slowpath+0xe9/0x710 [ 904.112408] do_syscall_64+0x1ad/0x230 [ 904.116270] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 904.121430] [ 904.123029] Uninit was stored to memory at: [ 904.127330] kmsan_internal_chain_origin+0x12b/0x210 [ 904.132404] __msan_chain_origin+0x69/0xc0 [ 904.136612] __alloc_skb+0x949/0x9e0 [ 904.140301] tcp_send_fin+0x4dc/0x1e80 [ 904.144161] tcp_close+0x1758/0x18f0 [ 904.147848] inet_release+0x249/0x2b0 [ 904.151619] sock_close+0xeb/0x310 [ 904.155136] __fput+0x458/0xa30 [ 904.158391] ____fput+0x37/0x40 [ 904.161643] task_work_run+0x22e/0x2b0 [ 904.165516] do_exit+0x110e/0x3930 [ 904.169030] do_group_exit+0x1a0/0x360 [ 904.172903] get_signal+0x1405/0x1ec0 [ 904.176678] do_signal+0xb8/0x1d20 [ 904.180193] prepare_exit_to_usermode+0x271/0x3a0 [ 904.185017] syscall_return_slowpath+0xe9/0x710 [ 904.189660] do_syscall_64+0x1ad/0x230 [ 904.193521] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 904.198678] [ 904.200278] Uninit was created at: [ 904.203793] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 904.208871] kmsan_kmalloc+0x94/0x100 [ 904.212646] kmsan_slab_alloc+0x10/0x20 [ 904.216601] kmem_cache_alloc_node+0x8af/0xc80 [ 904.221160] __alloc_skb+0x202/0x9e0 [ 904.224847] tcp_send_fin+0x4dc/0x1e80 [ 904.228708] tcp_close+0x1758/0x18f0 [ 904.232403] inet_release+0x249/0x2b0 [ 904.236186] sock_close+0xeb/0x310 [ 904.239702] __fput+0x458/0xa30 [ 904.242961] ____fput+0x37/0x40 [ 904.246221] task_work_run+0x22e/0x2b0 [ 904.250086] do_exit+0x110e/0x3930 [ 904.253612] do_group_exit+0x1a0/0x360 [ 904.257475] get_signal+0x1405/0x1ec0 [ 904.261250] do_signal+0xb8/0x1d20 [ 904.264767] prepare_exit_to_usermode+0x271/0x3a0 [ 904.269583] syscall_return_slowpath+0xe9/0x710 [ 904.274225] do_syscall_64+0x1ad/0x230 [ 904.278090] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:31 executed programs: 2468 [ 910.817980] not chained 130000 origins [ 910.821921] CPU: 1 PID: 14790 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 910.828759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 910.838108] Call Trace: [ 910.840680] [ 910.842818] dump_stack+0x185/0x1d0 [ 910.846425] kmsan_internal_chain_origin+0x1ff/0x210 [ 910.851515] ? ip_route_output_key_hash_rcu+0x12f3/0x3a90 [ 910.857048] ? kmsan_set_origin_inline+0x6b/0x120 [ 910.861885] ? __msan_poison_alloca+0x15c/0x1d0 [ 910.866534] ? xfrm_lookup_route+0xfa/0x360 [ 910.870840] ? xfrm_lookup+0x200/0x39f0 [ 910.874803] ? xfrm_lookup_route+0xfa/0x360 [ 910.879115] ? xfrm_lookup+0xc12/0x39f0 [ 910.883092] ? kmsan_memcpy_origins+0xf1/0x170 [ 910.887659] ? __copy_skb_header+0x784/0x830 [ 910.892048] __msan_chain_origin+0x69/0xc0 [ 910.896272] __skb_clone+0x7b3/0x990 [ 910.899965] ? kmsan_set_origin_inline+0x6b/0x120 [ 910.904789] skb_clone+0x3e8/0x590 [ 910.908317] tcp_transmit_skb+0x3e4/0x5350 [ 910.912549] ? tcp_v4_md5_lookup+0x44/0x420 [ 910.916873] __tcp_retransmit_skb+0x2fd6/0x4100 [ 910.921535] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 910.926969] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 910.932403] ? bictcp_state+0x1ba/0x2a0 [ 910.936361] tcp_retransmit_skb+0xa6/0x480 [ 910.940578] tcp_retransmit_timer+0x21f9/0x4280 [ 910.945232] tcp_write_timer_handler+0x5c2/0xef0 [ 910.949970] ? call_timer_fn+0x280/0x5d0 [ 910.954008] tcp_write_timer+0x12b/0x280 [ 910.958051] call_timer_fn+0x280/0x5d0 [ 910.961924] ? tcp_init_xmit_timers+0xd0/0xd0 [ 910.966396] __run_timers+0xd96/0x11b0 [ 910.970264] ? tcp_init_xmit_timers+0xd0/0xd0 [ 910.974740] ? irq_exit+0x202/0x240 [ 910.978359] ? run_timer_softirq+0x14/0x70 [ 910.982572] ? timers_dead_cpu+0x1010/0x1010 [ 910.986957] run_timer_softirq+0x43/0x70 [ 910.990997] __do_softirq+0x592/0x979 [ 910.994795] irq_exit+0x202/0x240 [ 910.998238] exiting_irq+0xe/0x10 [ 911.001682] smp_apic_timer_interrupt+0x64/0x90 [ 911.006340] apic_timer_interrupt+0xf/0x20 [ 911.010549] [ 911.012767] RIP: 0010:kmsan_clear_user_page+0xce/0xf0 [ 911.017930] RSP: 0000:ffff880185e8fa70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 911.025618] RAX: 0000000000000000 RBX: ffffea0009e51ca0 RCX: 0000000000000000 [ 911.032878] RDX: ffff880186cf7000 RSI: ffff880000000000 RDI: ffff880186cf8000 [ 911.040137] RBP: ffff880185e8fa98 R08: aaaaaaaaaaaab000 R09: 0000000000000002 [ 911.047393] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0009e51ca0 [ 911.054653] R13: 0000000000000000 R14: ffff8801bffa8000 R15: 0000000000000246 [ 911.061920] clear_huge_page+0xb47/0xd10 [ 911.065975] do_huge_pmd_anonymous_page+0xf86/0x2540 [ 911.071078] handle_mm_fault+0x44ca/0x7ed0 [ 911.075302] ? kmsan_set_origin_inline+0x6b/0x120 [ 911.080133] __do_page_fault+0xec6/0x1a10 [ 911.084263] do_page_fault+0xb7/0x250 [ 911.088044] ? page_fault+0x8/0x30 [ 911.091569] page_fault+0x1e/0x30 [ 911.094999] RIP: 0033:0x4077fa [ 911.098177] RSP: 002b:0000000000a3e940 EFLAGS: 00010246 [ 911.103524] RAX: 0000000020942000 RBX: 0000000000000000 RCX: 0000000000000002 [ 911.110783] RDX: 426b76decf18f387 RSI: 0000000000000000 RDI: 000000000100e848 [ 911.118030] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000730088 [ 911.125295] R10: 0000000000a3e940 R11: 0000000000000246 R12: 0000000000000000 [ 911.132549] R13: 0000000000000002 R14: 000000000072bea0 R15: 00000000000de8fa [ 911.139809] Uninit was stored to memory at: [ 911.144136] kmsan_internal_chain_origin+0x12b/0x210 [ 911.149228] __msan_chain_origin+0x69/0xc0 [ 911.153449] dev_hard_start_xmit+0x679/0xc80 [ 911.157840] __dev_queue_xmit+0x2ad2/0x3540 [ 911.162155] dev_queue_xmit+0x4b/0x60 [ 911.165948] neigh_direct_output+0x42/0x50 [ 911.170176] ip_finish_output2+0x1354/0x1480 [ 911.174560] ip_finish_output+0xcbc/0x1000 [ 911.178771] ip_output+0x505/0x5d0 [ 911.182287] ip_queue_xmit+0x1b0f/0x1d00 [ 911.186328] tcp_transmit_skb+0x3db5/0x5350 [ 911.190627] __tcp_retransmit_skb+0x2fd6/0x4100 [ 911.195276] tcp_retransmit_skb+0xa6/0x480 [ 911.199494] tcp_retransmit_timer+0x21f9/0x4280 [ 911.204153] tcp_write_timer_handler+0x5c2/0xef0 [ 911.208891] tcp_write_timer+0x12b/0x280 [ 911.212945] call_timer_fn+0x280/0x5d0 [ 911.216815] __run_timers+0xd96/0x11b0 [ 911.220682] run_timer_softirq+0x43/0x70 [ 911.224721] __do_softirq+0x592/0x979 [ 911.228494] [ 911.230096] Uninit was stored to memory at: [ 911.234412] kmsan_internal_chain_origin+0x12b/0x210 [ 911.239496] __msan_chain_origin+0x69/0xc0 [ 911.243716] __skb_clone+0x8a2/0x990 [ 911.247419] skb_clone+0x3e8/0x590 [ 911.250947] tcp_transmit_skb+0x3e4/0x5350 [ 911.255168] __tcp_retransmit_skb+0x2fd6/0x4100 [ 911.259826] tcp_retransmit_skb+0xa6/0x480 [ 911.264059] tcp_retransmit_timer+0x21f9/0x4280 [ 911.268722] tcp_write_timer_handler+0x5c2/0xef0 [ 911.273465] tcp_write_timer+0x12b/0x280 [ 911.277509] call_timer_fn+0x280/0x5d0 [ 911.281379] __run_timers+0xd96/0x11b0 [ 911.285244] run_timer_softirq+0x43/0x70 [ 911.289282] __do_softirq+0x592/0x979 [ 911.293055] [ 911.294664] Uninit was stored to memory at: [ 911.298966] kmsan_internal_chain_origin+0x12b/0x210 [ 911.304055] __msan_chain_origin+0x69/0xc0 [ 911.308285] dev_hard_start_xmit+0x679/0xc80 [ 911.312672] __dev_queue_xmit+0x2ad2/0x3540 [ 911.316974] dev_queue_xmit+0x4b/0x60 [ 911.320762] ip_finish_output2+0x12a8/0x1480 [ 911.325157] ip_finish_output+0xcbc/0x1000 [ 911.329381] ip_output+0x505/0x5d0 [ 911.332917] ip_local_out+0x164/0x1d0 [ 911.336707] iptunnel_xmit+0x854/0xdb0 [ 911.340573] ip_tunnel_xmit+0x3422/0x37c0 [ 911.344702] ipip_tunnel_xmit+0x32b/0x4c0 [ 911.348830] dev_hard_start_xmit+0x5f6/0xc80 [ 911.353215] __dev_queue_xmit+0x2ad2/0x3540 [ 911.357513] dev_queue_xmit+0x4b/0x60 [ 911.361291] neigh_direct_output+0x42/0x50 [ 911.365503] ip_finish_output2+0x1354/0x1480 [ 911.369887] ip_finish_output+0xcbc/0x1000 [ 911.374105] ip_output+0x505/0x5d0 [ 911.377626] ip_queue_xmit+0x1b0f/0x1d00 [ 911.381665] tcp_transmit_skb+0x3db5/0x5350 [ 911.385964] tcp_write_xmit+0x2d81/0xb200 [ 911.390095] tcp_send_fin+0x1722/0x1e80 [ 911.394062] tcp_close+0x1758/0x18f0 [ 911.397764] inet_release+0x249/0x2b0 [ 911.401545] sock_close+0xeb/0x310 [ 911.405080] __fput+0x458/0xa30 [ 911.408357] ____fput+0x37/0x40 [ 911.411626] task_work_run+0x22e/0x2b0 [ 911.415500] do_exit+0x110e/0x3930 [ 911.419021] do_group_exit+0x1a0/0x360 [ 911.422899] get_signal+0x1405/0x1ec0 [ 911.426701] do_signal+0xb8/0x1d20 [ 911.430222] prepare_exit_to_usermode+0x271/0x3a0 [ 911.435039] syscall_return_slowpath+0xe9/0x710 [ 911.439702] do_syscall_64+0x1ad/0x230 [ 911.443581] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 911.448743] [ 911.450343] Uninit was stored to memory at: [ 911.454645] kmsan_internal_chain_origin+0x12b/0x210 [ 911.459730] __msan_chain_origin+0x69/0xc0 [ 911.463945] dev_hard_start_xmit+0x679/0xc80 [ 911.468329] __dev_queue_xmit+0x2ad2/0x3540 [ 911.473006] dev_queue_xmit+0x4b/0x60 [ 911.476787] neigh_direct_output+0x42/0x50 [ 911.481000] ip_finish_output2+0x1354/0x1480 [ 911.485384] ip_finish_output+0xcbc/0x1000 [ 911.489594] ip_output+0x505/0x5d0 [ 911.493114] ip_queue_xmit+0x1b0f/0x1d00 [ 911.497167] tcp_transmit_skb+0x3db5/0x5350 [ 911.501464] tcp_write_xmit+0x2d81/0xb200 [ 911.505595] tcp_send_fin+0x1722/0x1e80 [ 911.509567] tcp_close+0x1758/0x18f0 [ 911.513261] inet_release+0x249/0x2b0 [ 911.517046] sock_close+0xeb/0x310 [ 911.520577] __fput+0x458/0xa30 [ 911.523835] ____fput+0x37/0x40 [ 911.527096] task_work_run+0x22e/0x2b0 [ 911.530962] do_exit+0x110e/0x3930 [ 911.534487] do_group_exit+0x1a0/0x360 [ 911.538355] get_signal+0x1405/0x1ec0 [ 911.542134] do_signal+0xb8/0x1d20 [ 911.545652] prepare_exit_to_usermode+0x271/0x3a0 [ 911.550473] syscall_return_slowpath+0xe9/0x710 [ 911.555123] do_syscall_64+0x1ad/0x230 [ 911.558996] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 911.564163] [ 911.565767] Uninit was stored to memory at: [ 911.570078] kmsan_internal_chain_origin+0x12b/0x210 [ 911.575175] __msan_chain_origin+0x69/0xc0 [ 911.579391] __skb_clone+0x8a2/0x990 [ 911.583097] skb_clone+0x3e8/0x590 [ 911.586633] tcp_transmit_skb+0x3e4/0x5350 [ 911.590866] tcp_write_xmit+0x2d81/0xb200 [ 911.595001] tcp_send_fin+0x1722/0x1e80 [ 911.598953] tcp_close+0x1758/0x18f0 [ 911.602647] inet_release+0x249/0x2b0 [ 911.606425] sock_close+0xeb/0x310 [ 911.609949] __fput+0x458/0xa30 [ 911.613214] ____fput+0x37/0x40 [ 911.616472] task_work_run+0x22e/0x2b0 [ 911.620341] do_exit+0x110e/0x3930 [ 911.623874] do_group_exit+0x1a0/0x360 [ 911.628107] get_signal+0x1405/0x1ec0 [ 911.631898] do_signal+0xb8/0x1d20 [ 911.635417] prepare_exit_to_usermode+0x271/0x3a0 [ 911.640240] syscall_return_slowpath+0xe9/0x710 [ 911.644886] do_syscall_64+0x1ad/0x230 [ 911.648762] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 911.653934] [ 911.655536] Uninit was stored to memory at: [ 911.659839] kmsan_internal_chain_origin+0x12b/0x210 [ 911.664919] __msan_chain_origin+0x69/0xc0 [ 911.669133] __skb_clone+0x8a2/0x990 [ 911.672823] skb_clone+0x3e8/0x590 [ 911.676343] tcp_transmit_skb+0x3e4/0x5350 [ 911.680554] tcp_write_xmit+0x2d81/0xb200 [ 911.684680] __tcp_push_pending_frames+0x124/0x400 [ 911.689584] tcp_push+0x803/0x8f0 [ 911.693014] tcp_sendmsg_locked+0x4eb1/0x6610 [ 911.697484] tcp_sendmsg+0xb2/0x100 [ 911.701093] inet_sendmsg+0x3fc/0x760 [ 911.704882] __sys_sendto+0x6c4/0x7e0 [ 911.708659] __x64_sys_sendto+0x1a1/0x210 [ 911.712785] do_syscall_64+0x15b/0x230 [ 911.716657] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 911.721825] [ 911.723427] Uninit was stored to memory at: [ 911.727730] kmsan_internal_chain_origin+0x12b/0x210 [ 911.732811] __msan_chain_origin+0x69/0xc0 [ 911.737023] __alloc_skb+0x949/0x9e0 [ 911.740717] sk_stream_alloc_skb+0x17c/0xcf0 [ 911.745108] tcp_sendmsg_locked+0x237e/0x6610 [ 911.749583] tcp_sendmsg+0xb2/0x100 [ 911.753187] inet_sendmsg+0x3fc/0x760 [ 911.756979] __sys_sendto+0x6c4/0x7e0 [ 911.760763] __x64_sys_sendto+0x1a1/0x210 [ 911.764898] do_syscall_64+0x15b/0x230 [ 911.768770] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 911.773937] [ 911.775544] Uninit was created at: [ 911.779085] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 911.784171] kmsan_kmalloc+0x94/0x100 [ 911.787950] kmsan_slab_alloc+0x10/0x20 [ 911.791900] kmem_cache_alloc_node+0x8af/0xc80 [ 911.796460] __alloc_skb+0x202/0x9e0 [ 911.800150] sk_stream_alloc_skb+0x17c/0xcf0 [ 911.804534] tcp_sendmsg_locked+0x237e/0x6610 [ 911.809005] tcp_sendmsg+0xb2/0x100 [ 911.812611] inet_sendmsg+0x3fc/0x760 [ 911.816390] __sys_sendto+0x6c4/0x7e0 [ 911.820170] __x64_sys_sendto+0x1a1/0x210 [ 911.824296] do_syscall_64+0x15b/0x230 [ 911.828164] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:36 executed programs: 2572 2018/06/19 09:22:41 executed programs: 2700 [ 918.431679] not chained 140000 origins [ 918.435642] CPU: 0 PID: 15466 Comm: udevd Not tainted 4.17.0+ #9 [ 918.441804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 918.451154] Call Trace: [ 918.453728] [ 918.455872] dump_stack+0x185/0x1d0 [ 918.459509] kmsan_internal_chain_origin+0x1ff/0x210 [ 918.464607] ? __local_bh_enable_ip+0x3b/0x140 [ 918.469181] ? ip_finish_output2+0x136a/0x1480 [ 918.473768] ? ip_finish_output+0xcbc/0x1000 [ 918.478188] ? kmsan_memcpy_origins+0xf1/0x170 [ 918.482778] ? __copy_skb_header+0x784/0x830 [ 918.487189] __msan_chain_origin+0x69/0xc0 [ 918.491429] __skb_clone+0x7b3/0x990 [ 918.495141] ? kmsan_set_origin_inline+0x6b/0x120 [ 918.499978] skb_clone+0x3e8/0x590 [ 918.503505] tcp_transmit_skb+0x3e4/0x5350 [ 918.507746] ? kmsan_set_origin_inline+0x6b/0x120 [ 918.512592] ? tcp_v4_md5_lookup+0x44/0x420 [ 918.516925] __tcp_retransmit_skb+0x2fd6/0x4100 [ 918.521594] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 918.527045] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 918.532493] ? bictcp_state+0x1ba/0x2a0 [ 918.536474] tcp_retransmit_skb+0xa6/0x480 [ 918.540696] tcp_retransmit_timer+0x21f9/0x4280 [ 918.545357] tcp_write_timer_handler+0x5c2/0xef0 [ 918.550109] ? call_timer_fn+0x280/0x5d0 [ 918.554172] tcp_write_timer+0x12b/0x280 [ 918.558234] call_timer_fn+0x280/0x5d0 [ 918.562119] ? tcp_init_xmit_timers+0xd0/0xd0 [ 918.566614] __run_timers+0xd96/0x11b0 [ 918.570496] ? tcp_init_xmit_timers+0xd0/0xd0 [ 918.574983] ? irq_exit+0x202/0x240 [ 918.578604] ? run_timer_softirq+0x14/0x70 [ 918.582828] ? timers_dead_cpu+0x1010/0x1010 [ 918.587218] run_timer_softirq+0x43/0x70 [ 918.591275] __do_softirq+0x592/0x979 [ 918.595079] irq_exit+0x202/0x240 [ 918.598534] exiting_irq+0xe/0x10 [ 918.601986] smp_apic_timer_interrupt+0x64/0x90 [ 918.606651] apic_timer_interrupt+0xf/0x20 [ 918.610869] [ 918.613102] RIP: 0010:msan_get_shadow_origin_ptr+0xc/0x230 [ 918.618719] RSP: 0018:ffff880184f3f290 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 918.626417] RAX: 00000000e6200073 RBX: ffff880184e93008 RCX: ffff880000000000 [ 918.633680] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff880184e93008 [ 918.640963] RBP: ffff880184f3f2b0 R08: 0000000000000000 R09: 0000000000000002 [ 918.648239] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 918.655524] R13: 0000000000000000 R14: 0000000000000078 R15: ffff880184e93000 [ 918.662797] __msan_metadata_ptr_for_store_4+0x13/0x20 [ 918.668068] unmap_page_range+0x1e98/0x3be0 [ 918.672412] unmap_single_vma+0x445/0x5e0 [ 918.676564] unmap_vmas+0x1f4/0x360 [ 918.680199] exit_mmap+0x4d7/0x980 [ 918.683745] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 918.689107] ? uprobe_clear_state+0x1b0/0x270 [ 918.693598] ? __mmput+0x3e/0x600 [ 918.697039] __mmput+0x158/0x600 [ 918.700396] ? mmput+0x53/0xf0 [ 918.703576] mmput+0xab/0xf0 [ 918.706585] flush_old_exec+0x1ace/0x2150 [ 918.710737] load_elf_binary+0x139f/0x8fe0 [ 918.714979] ? kmsan_set_origin_inline+0x6b/0x120 [ 918.719819] ? __msan_poison_alloca+0x15c/0x1d0 [ 918.724482] ? kmsan_set_origin_inline+0x6b/0x120 [ 918.729323] ? __msan_poison_alloca+0x15c/0x1d0 [ 918.733986] ? search_binary_handler+0x231/0xac0 [ 918.738742] ? load_elf_binary+0x4c51/0x8fe0 [ 918.743140] ? try_module_get+0x61/0x3d0 [ 918.747184] ? search_binary_handler+0x231/0xac0 [ 918.751935] ? search_binary_handler+0x231/0xac0 [ 918.756689] ? try_module_get+0x61/0x3d0 [ 918.760754] ? search_binary_handler+0x231/0xac0 [ 918.765503] ? search_binary_handler+0x347/0xac0 [ 918.770253] ? load_script+0xcd0/0xcd0 [ 918.774139] search_binary_handler+0x2f4/0xac0 [ 918.778727] do_execveat_common+0x22e4/0x2db0 [ 918.783232] __x64_sys_execve+0x127/0x180 [ 918.787377] ? set_binfmt+0x1b0/0x1b0 [ 918.791169] do_syscall_64+0x15b/0x230 [ 918.795064] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 918.800251] RIP: 0033:0x7f34b0084207 [ 918.803952] RSP: 002b:00007ffd95974468 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 918.811649] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f34b0084207 [ 918.818907] RDX: 0000000001536fe0 RSI: 00007ffd95974560 RDI: 00007ffd95975570 [ 918.826167] RBP: 0000000000625500 R08: 0000000000000a27 R09: 0000000000000a27 [ 918.833426] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001536fe0 [ 918.840691] R13: 0000000000000007 R14: 0000000001526250 R15: 0000000000000005 [ 918.847966] Uninit was stored to memory at: [ 918.852298] kmsan_internal_chain_origin+0x12b/0x210 [ 918.857395] __msan_chain_origin+0x69/0xc0 [ 918.861622] dev_hard_start_xmit+0x679/0xc80 [ 918.866019] __dev_queue_xmit+0x2ad2/0x3540 [ 918.870325] dev_queue_xmit+0x4b/0x60 [ 918.874111] neigh_direct_output+0x42/0x50 [ 918.878337] ip_finish_output2+0x1354/0x1480 [ 918.882747] ip_finish_output+0xcbc/0x1000 [ 918.886980] ip_output+0x505/0x5d0 [ 918.890519] ip_queue_xmit+0x1b0f/0x1d00 [ 918.894580] tcp_transmit_skb+0x3db5/0x5350 [ 918.898889] __tcp_retransmit_skb+0x2fd6/0x4100 [ 918.903545] tcp_retransmit_skb+0xa6/0x480 [ 918.907763] tcp_retransmit_timer+0x21f9/0x4280 [ 918.912422] tcp_write_timer_handler+0x5c2/0xef0 [ 918.917170] tcp_write_timer+0x12b/0x280 [ 918.921227] call_timer_fn+0x280/0x5d0 [ 918.925111] __run_timers+0xd96/0x11b0 [ 918.928996] run_timer_softirq+0x43/0x70 [ 918.933059] __do_softirq+0x592/0x979 [ 918.936844] [ 918.938458] Uninit was stored to memory at: [ 918.942771] kmsan_internal_chain_origin+0x12b/0x210 [ 918.947861] __msan_chain_origin+0x69/0xc0 [ 918.952093] __skb_clone+0x8a2/0x990 [ 918.955801] skb_clone+0x3e8/0x590 [ 918.959332] tcp_transmit_skb+0x3e4/0x5350 [ 918.963578] __tcp_retransmit_skb+0x2fd6/0x4100 [ 918.968271] tcp_retransmit_skb+0xa6/0x480 [ 918.972502] tcp_retransmit_timer+0x21f9/0x4280 [ 918.977170] tcp_write_timer_handler+0x5c2/0xef0 [ 918.981921] tcp_write_timer+0x12b/0x280 [ 918.985969] call_timer_fn+0x280/0x5d0 [ 918.989839] __run_timers+0xd96/0x11b0 [ 918.993725] run_timer_softirq+0x43/0x70 [ 918.997783] __do_softirq+0x592/0x979 [ 919.001568] [ 919.003184] Uninit was stored to memory at: [ 919.007505] kmsan_internal_chain_origin+0x12b/0x210 [ 919.012604] __msan_chain_origin+0x69/0xc0 [ 919.016839] dev_hard_start_xmit+0x679/0xc80 [ 919.021248] __dev_queue_xmit+0x2ad2/0x3540 [ 919.025559] dev_queue_xmit+0x4b/0x60 [ 919.029341] ip_finish_output2+0x12a8/0x1480 [ 919.033743] ip_finish_output+0xcbc/0x1000 [ 919.037973] ip_output+0x505/0x5d0 [ 919.041508] ip_local_out+0x164/0x1d0 [ 919.045310] iptunnel_xmit+0x854/0xdb0 [ 919.049195] ip_tunnel_xmit+0x3422/0x37c0 [ 919.053346] ipip_tunnel_xmit+0x32b/0x4c0 [ 919.057495] dev_hard_start_xmit+0x5f6/0xc80 [ 919.061898] __dev_queue_xmit+0x2ad2/0x3540 [ 919.066214] dev_queue_xmit+0x4b/0x60 [ 919.070009] neigh_direct_output+0x42/0x50 [ 919.074234] ip_finish_output2+0x1354/0x1480 [ 919.078641] ip_finish_output+0xcbc/0x1000 [ 919.082869] ip_output+0x505/0x5d0 [ 919.086399] ip_queue_xmit+0x1b0f/0x1d00 [ 919.090461] tcp_transmit_skb+0x3db5/0x5350 [ 919.094777] tcp_write_xmit+0x2d81/0xb200 [ 919.098911] tcp_send_fin+0x1722/0x1e80 [ 919.102870] tcp_close+0x1758/0x18f0 [ 919.106565] inet_release+0x249/0x2b0 [ 919.110348] sock_close+0xeb/0x310 [ 919.113883] __fput+0x458/0xa30 [ 919.117162] ____fput+0x37/0x40 [ 919.120438] task_work_run+0x22e/0x2b0 [ 919.124323] do_exit+0x110e/0x3930 [ 919.127881] do_group_exit+0x1a0/0x360 [ 919.131763] get_signal+0x1405/0x1ec0 [ 919.135561] do_signal+0xb8/0x1d20 [ 919.139094] prepare_exit_to_usermode+0x271/0x3a0 [ 919.143922] syscall_return_slowpath+0xe9/0x710 [ 919.148576] do_syscall_64+0x1ad/0x230 [ 919.152458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 919.157628] [ 919.159235] Uninit was stored to memory at: [ 919.163557] kmsan_internal_chain_origin+0x12b/0x210 [ 919.168657] __msan_chain_origin+0x69/0xc0 [ 919.172908] dev_hard_start_xmit+0x679/0xc80 [ 919.177329] __dev_queue_xmit+0x2ad2/0x3540 [ 919.181639] dev_queue_xmit+0x4b/0x60 [ 919.185433] neigh_direct_output+0x42/0x50 [ 919.189663] ip_finish_output2+0x1354/0x1480 [ 919.194059] ip_finish_output+0xcbc/0x1000 [ 919.198280] ip_output+0x505/0x5d0 [ 919.201806] ip_queue_xmit+0x1b0f/0x1d00 [ 919.205878] tcp_transmit_skb+0x3db5/0x5350 [ 919.210194] tcp_write_xmit+0x2d81/0xb200 [ 919.214340] tcp_send_fin+0x1722/0x1e80 [ 919.218307] tcp_close+0x1758/0x18f0 [ 919.222007] inet_release+0x249/0x2b0 [ 919.225799] sock_close+0xeb/0x310 [ 919.229330] __fput+0x458/0xa30 [ 919.232598] ____fput+0x37/0x40 [ 919.235874] task_work_run+0x22e/0x2b0 [ 919.239762] do_exit+0x110e/0x3930 [ 919.243303] do_group_exit+0x1a0/0x360 [ 919.247195] get_signal+0x1405/0x1ec0 [ 919.251010] do_signal+0xb8/0x1d20 [ 919.254563] prepare_exit_to_usermode+0x271/0x3a0 [ 919.259405] syscall_return_slowpath+0xe9/0x710 [ 919.264073] do_syscall_64+0x1ad/0x230 [ 919.267957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 919.273127] [ 919.274739] Uninit was stored to memory at: [ 919.279046] kmsan_internal_chain_origin+0x12b/0x210 [ 919.284144] __msan_chain_origin+0x69/0xc0 [ 919.288378] __skb_clone+0x8a2/0x990 [ 919.292091] skb_clone+0x3e8/0x590 [ 919.295635] tcp_transmit_skb+0x3e4/0x5350 [ 919.299866] tcp_write_xmit+0x2d81/0xb200 [ 919.304009] tcp_send_fin+0x1722/0x1e80 [ 919.307982] tcp_close+0x1758/0x18f0 [ 919.311688] inet_release+0x249/0x2b0 [ 919.315481] sock_close+0xeb/0x310 [ 919.319012] __fput+0x458/0xa30 [ 919.322285] ____fput+0x37/0x40 [ 919.325562] task_work_run+0x22e/0x2b0 [ 919.329442] do_exit+0x110e/0x3930 [ 919.332979] do_group_exit+0x1a0/0x360 [ 919.336866] get_signal+0x1405/0x1ec0 [ 919.340661] do_signal+0xb8/0x1d20 [ 919.344201] prepare_exit_to_usermode+0x271/0x3a0 [ 919.349034] syscall_return_slowpath+0xe9/0x710 [ 919.353689] do_syscall_64+0x1ad/0x230 [ 919.357573] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 919.362746] [ 919.364366] Uninit was stored to memory at: [ 919.368696] kmsan_internal_chain_origin+0x12b/0x210 [ 919.373807] __msan_chain_origin+0x69/0xc0 [ 919.378036] __skb_clone+0x8a2/0x990 [ 919.381746] skb_clone+0x3e8/0x590 [ 919.385282] tcp_transmit_skb+0x3e4/0x5350 [ 919.389512] tcp_write_xmit+0x2d81/0xb200 [ 919.393648] __tcp_push_pending_frames+0x124/0x400 [ 919.398571] tcp_push+0x803/0x8f0 [ 919.402019] tcp_sendmsg_locked+0x4eb1/0x6610 [ 919.406510] tcp_sendmsg+0xb2/0x100 [ 919.410136] inet_sendmsg+0x3fc/0x760 [ 919.413955] __sys_sendto+0x6c4/0x7e0 [ 919.417762] __x64_sys_sendto+0x1a1/0x210 [ 919.421907] do_syscall_64+0x15b/0x230 [ 919.425793] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 919.430981] [ 919.432585] Uninit was stored to memory at: [ 919.436907] kmsan_internal_chain_origin+0x12b/0x210 [ 919.441998] __msan_chain_origin+0x69/0xc0 [ 919.446225] __alloc_skb+0x949/0x9e0 [ 919.449936] sk_stream_alloc_skb+0x17c/0xcf0 [ 919.454346] tcp_sendmsg_locked+0x237e/0x6610 [ 919.458843] tcp_sendmsg+0xb2/0x100 [ 919.462467] inet_sendmsg+0x3fc/0x760 [ 919.466255] __sys_sendto+0x6c4/0x7e0 [ 919.470052] __x64_sys_sendto+0x1a1/0x210 [ 919.474197] do_syscall_64+0x15b/0x230 [ 919.478084] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 919.483257] [ 919.484871] Uninit was created at: [ 919.488415] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 919.493516] kmsan_kmalloc+0x94/0x100 [ 919.497313] kmsan_slab_alloc+0x10/0x20 [ 919.501283] kmem_cache_alloc_node+0x8af/0xc80 [ 919.505854] __alloc_skb+0x202/0x9e0 [ 919.509556] sk_stream_alloc_skb+0x17c/0xcf0 [ 919.513949] tcp_sendmsg_locked+0x237e/0x6610 [ 919.518430] tcp_sendmsg+0xb2/0x100 [ 919.522051] inet_sendmsg+0x3fc/0x760 [ 919.525851] __sys_sendto+0x6c4/0x7e0 [ 919.529650] __x64_sys_sendto+0x1a1/0x210 [ 919.533793] do_syscall_64+0x15b/0x230 [ 919.537675] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:46 executed programs: 2823 [ 925.344923] not chained 150000 origins [ 925.348860] CPU: 0 PID: 4520 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 925.355605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 925.364949] Call Trace: [ 925.367508] [ 925.369639] dump_stack+0x185/0x1d0 [ 925.373247] kmsan_internal_chain_origin+0x1ff/0x210 [ 925.378329] ? ip_tunnel_xmit+0x3422/0x37c0 [ 925.382640] ? kmsan_set_origin_inline+0x6b/0x120 [ 925.387457] ? __msan_poison_alloca+0x15c/0x1d0 [ 925.392111] ? validate_xmit_skb+0xfea/0x1320 [ 925.396582] ? kmsan_set_origin_inline+0x6b/0x120 [ 925.401398] ? __msan_poison_alloca+0x15c/0x1d0 [ 925.406041] ? __dev_queue_xmit+0x2ad2/0x3540 [ 925.410520] __msan_chain_origin+0x69/0xc0 [ 925.414732] dev_hard_start_xmit+0x679/0xc80 [ 925.419119] __dev_queue_xmit+0x2ad2/0x3540 [ 925.423421] dev_queue_xmit+0x4b/0x60 [ 925.427205] neigh_direct_output+0x42/0x50 [ 925.431414] ? neigh_connected_output+0x710/0x710 [ 925.436233] ip_finish_output2+0x1354/0x1480 [ 925.440616] ip_finish_output+0xcbc/0x1000 [ 925.444826] ip_output+0x505/0x5d0 [ 925.448341] ? ip_mc_finish_output+0x3b0/0x3b0 [ 925.452903] ? ip_finish_output+0x1000/0x1000 [ 925.457372] ip_queue_xmit+0x1b0f/0x1d00 [ 925.461410] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 925.466836] ? __skb_clone+0x6ec/0x990 [ 925.470702] ? ip_output+0x5d0/0x5d0 [ 925.474395] tcp_transmit_skb+0x3db5/0x5350 [ 925.478713] __tcp_retransmit_skb+0x2fd6/0x4100 [ 925.483360] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 925.488787] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 925.494215] ? bictcp_state+0x1ba/0x2a0 [ 925.498166] tcp_retransmit_skb+0xa6/0x480 [ 925.502377] tcp_retransmit_timer+0x21f9/0x4280 [ 925.507025] tcp_write_timer_handler+0x5c2/0xef0 [ 925.511761] ? call_timer_fn+0x280/0x5d0 [ 925.515798] tcp_write_timer+0x12b/0x280 [ 925.519848] call_timer_fn+0x280/0x5d0 [ 925.523714] ? tcp_init_xmit_timers+0xd0/0xd0 [ 925.528185] __run_timers+0xd96/0x11b0 [ 925.532050] ? tcp_init_xmit_timers+0xd0/0xd0 [ 925.536530] ? irq_exit+0x202/0x240 [ 925.540133] ? run_timer_softirq+0x14/0x70 [ 925.544344] ? timers_dead_cpu+0x1010/0x1010 [ 925.548735] run_timer_softirq+0x43/0x70 [ 925.552772] __do_softirq+0x592/0x979 [ 925.556548] irq_exit+0x202/0x240 [ 925.559978] exiting_irq+0xe/0x10 [ 925.563407] smp_apic_timer_interrupt+0x64/0x90 [ 925.568055] apic_timer_interrupt+0xf/0x20 [ 925.572271] [ 925.574486] RIP: 0010:kmsan_kmalloc+0xc6/0x100 [ 925.579039] RSP: 0018:ffff88019687f868 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 925.586728] RAX: 0000000000000246 RBX: ffff8801a21c0980 RCX: 0000000000000011 [ 925.593974] RDX: 0000000000000010 RSI: ffffea0009cca848 RDI: ffff8801a21c0980 [ 925.601226] RBP: ffff88019687f8a8 R08: 0000000001000200 R09: 0000000000000002 [ 925.608472] R10: 0000000000000002 R11: ffffffff83ac4fe0 R12: ffff88021f00d980 [ 925.615719] R13: ffff8801d8a70000 R14: 0000000000000040 R15: 0000000001000200 [ 925.623038] ? cap_task_prctl+0x1290/0x1290 [ 925.627345] kmem_cache_alloc+0xa97/0xb70 [ 925.631467] ? anon_vma_clone+0x15c/0xbf0 [ 925.635603] anon_vma_clone+0x15c/0xbf0 [ 925.639551] ? kmsan_set_origin_inline+0x6b/0x120 [ 925.644374] ? copy_process+0x65df/0x9be0 [ 925.648496] ? copy_process+0x65df/0x9be0 [ 925.652620] anon_vma_fork+0x106/0xb20 [ 925.656775] copy_process+0x65df/0x9be0 [ 925.660737] _do_fork+0x353/0xf60 [ 925.664169] __x64_sys_clone+0x15e/0x1b0 [ 925.668209] ? __ia32_sys_vfork+0x70/0x70 [ 925.672339] do_syscall_64+0x15b/0x230 [ 925.676218] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 925.681384] RIP: 0033:0x4541da [ 925.684549] RSP: 002b:0000000000a3ea70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 925.692230] RAX: ffffffffffffffda RBX: 0000000000a3ea70 RCX: 00000000004541da [ 925.699473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 925.706719] RBP: 0000000000a3eab0 R08: 0000000000000001 R09: 000000000100e940 [ 925.713963] R10: 000000000100ec10 R11: 0000000000000246 R12: 0000000000000001 [ 925.721209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000001380 [ 925.728457] Uninit was stored to memory at: [ 925.732774] kmsan_internal_chain_origin+0x12b/0x210 [ 925.737855] __msan_chain_origin+0x69/0xc0 [ 925.742075] dev_hard_start_xmit+0x679/0xc80 [ 925.746460] __dev_queue_xmit+0x2ad2/0x3540 [ 925.750755] dev_queue_xmit+0x4b/0x60 [ 925.754530] ip_finish_output2+0x12a8/0x1480 [ 925.758910] ip_finish_output+0xcbc/0x1000 [ 925.763117] ip_output+0x505/0x5d0 [ 925.766630] ip_local_out+0x164/0x1d0 [ 925.770403] iptunnel_xmit+0x854/0xdb0 [ 925.774263] ip_tunnel_xmit+0x3422/0x37c0 [ 925.778387] ipip_tunnel_xmit+0x32b/0x4c0 [ 925.782508] dev_hard_start_xmit+0x5f6/0xc80 [ 925.786890] __dev_queue_xmit+0x2ad2/0x3540 [ 925.791186] dev_queue_xmit+0x4b/0x60 [ 925.794962] neigh_direct_output+0x42/0x50 [ 925.799171] ip_finish_output2+0x1354/0x1480 [ 925.803551] ip_finish_output+0xcbc/0x1000 [ 925.807767] ip_output+0x505/0x5d0 [ 925.811280] ip_queue_xmit+0x1b0f/0x1d00 [ 925.815325] tcp_transmit_skb+0x3db5/0x5350 [ 925.819622] __tcp_retransmit_skb+0x2fd6/0x4100 [ 925.824264] tcp_send_loss_probe+0xc79/0xf10 [ 925.828646] tcp_write_timer_handler+0x726/0xef0 [ 925.833375] tcp_write_timer+0x12b/0x280 [ 925.837411] call_timer_fn+0x280/0x5d0 [ 925.841271] __run_timers+0xd96/0x11b0 [ 925.845134] run_timer_softirq+0x43/0x70 [ 925.849171] __do_softirq+0x592/0x979 [ 925.852949] [ 925.854550] Uninit was stored to memory at: [ 925.858848] kmsan_internal_chain_origin+0x12b/0x210 [ 925.863925] __msan_chain_origin+0x69/0xc0 [ 925.868135] dev_hard_start_xmit+0x679/0xc80 [ 925.872515] __dev_queue_xmit+0x2ad2/0x3540 [ 925.876808] dev_queue_xmit+0x4b/0x60 [ 925.880582] neigh_direct_output+0x42/0x50 [ 925.884794] ip_finish_output2+0x1354/0x1480 [ 925.889176] ip_finish_output+0xcbc/0x1000 [ 925.893382] ip_output+0x505/0x5d0 [ 925.896893] ip_queue_xmit+0x1b0f/0x1d00 [ 925.900935] tcp_transmit_skb+0x3db5/0x5350 [ 925.905230] __tcp_retransmit_skb+0x2fd6/0x4100 [ 925.909880] tcp_send_loss_probe+0xc79/0xf10 [ 925.914260] tcp_write_timer_handler+0x726/0xef0 [ 925.918987] tcp_write_timer+0x12b/0x280 [ 925.923022] call_timer_fn+0x280/0x5d0 [ 925.926890] __run_timers+0xd96/0x11b0 [ 925.930754] run_timer_softirq+0x43/0x70 [ 925.934792] __do_softirq+0x592/0x979 [ 925.938560] [ 925.940159] Uninit was stored to memory at: [ 925.944463] kmsan_internal_chain_origin+0x12b/0x210 [ 925.949541] __msan_chain_origin+0x69/0xc0 [ 925.953750] __skb_clone+0x8a2/0x990 [ 925.957437] skb_clone+0x3e8/0x590 [ 925.960952] tcp_transmit_skb+0x3e4/0x5350 [ 925.965160] __tcp_retransmit_skb+0x2fd6/0x4100 [ 925.969805] tcp_send_loss_probe+0xc79/0xf10 [ 925.974200] tcp_write_timer_handler+0x726/0xef0 [ 925.978929] tcp_write_timer+0x12b/0x280 [ 925.982964] call_timer_fn+0x280/0x5d0 [ 925.986827] __run_timers+0xd96/0x11b0 [ 925.990690] run_timer_softirq+0x43/0x70 [ 925.994730] __do_softirq+0x592/0x979 [ 925.998498] [ 926.000096] Uninit was stored to memory at: [ 926.004392] kmsan_internal_chain_origin+0x12b/0x210 [ 926.009467] __msan_chain_origin+0x69/0xc0 [ 926.013687] dev_hard_start_xmit+0x679/0xc80 [ 926.018085] __dev_queue_xmit+0x2ad2/0x3540 [ 926.022382] dev_queue_xmit+0x4b/0x60 [ 926.026158] ip_finish_output2+0x12a8/0x1480 [ 926.030548] ip_finish_output+0xcbc/0x1000 [ 926.034758] ip_output+0x505/0x5d0 [ 926.038273] ip_local_out+0x164/0x1d0 [ 926.042050] iptunnel_xmit+0x854/0xdb0 [ 926.045920] ip_tunnel_xmit+0x3422/0x37c0 [ 926.050043] ipip_tunnel_xmit+0x32b/0x4c0 [ 926.054173] dev_hard_start_xmit+0x5f6/0xc80 [ 926.058554] __dev_queue_xmit+0x2ad2/0x3540 [ 926.062857] dev_queue_xmit+0x4b/0x60 [ 926.066632] neigh_direct_output+0x42/0x50 [ 926.070841] ip_finish_output2+0x1354/0x1480 [ 926.075221] ip_finish_output+0xcbc/0x1000 [ 926.079436] ip_output+0x505/0x5d0 [ 926.082949] ip_queue_xmit+0x1b0f/0x1d00 [ 926.086985] tcp_transmit_skb+0x3db5/0x5350 [ 926.091282] tcp_write_xmit+0x2d81/0xb200 [ 926.095404] tcp_send_fin+0x1722/0x1e80 [ 926.099354] tcp_close+0x1758/0x18f0 [ 926.103042] inet_release+0x249/0x2b0 [ 926.106823] sock_close+0xeb/0x310 [ 926.110340] __fput+0x458/0xa30 [ 926.113593] ____fput+0x37/0x40 [ 926.116855] task_work_run+0x22e/0x2b0 [ 926.120721] do_exit+0x110e/0x3930 [ 926.124244] do_group_exit+0x1a0/0x360 [ 926.128108] get_signal+0x1405/0x1ec0 [ 926.131884] do_signal+0xb8/0x1d20 [ 926.135398] prepare_exit_to_usermode+0x271/0x3a0 [ 926.140214] syscall_return_slowpath+0xe9/0x710 [ 926.144858] do_syscall_64+0x1ad/0x230 [ 926.148724] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 926.153891] [ 926.155490] Uninit was stored to memory at: [ 926.159796] kmsan_internal_chain_origin+0x12b/0x210 [ 926.164873] __msan_chain_origin+0x69/0xc0 [ 926.169086] dev_hard_start_xmit+0x679/0xc80 [ 926.173466] __dev_queue_xmit+0x2ad2/0x3540 [ 926.177764] dev_queue_xmit+0x4b/0x60 [ 926.181539] neigh_direct_output+0x42/0x50 [ 926.185748] ip_finish_output2+0x1354/0x1480 [ 926.190128] ip_finish_output+0xcbc/0x1000 [ 926.194335] ip_output+0x505/0x5d0 [ 926.197850] ip_queue_xmit+0x1b0f/0x1d00 [ 926.201886] tcp_transmit_skb+0x3db5/0x5350 [ 926.206183] tcp_write_xmit+0x2d81/0xb200 [ 926.210306] tcp_send_fin+0x1722/0x1e80 [ 926.214257] tcp_close+0x1758/0x18f0 [ 926.217944] inet_release+0x249/0x2b0 [ 926.221720] sock_close+0xeb/0x310 [ 926.225237] __fput+0x458/0xa30 [ 926.228490] ____fput+0x37/0x40 [ 926.231746] task_work_run+0x22e/0x2b0 [ 926.235610] do_exit+0x110e/0x3930 [ 926.239124] do_group_exit+0x1a0/0x360 [ 926.242986] get_signal+0x1405/0x1ec0 [ 926.246762] do_signal+0xb8/0x1d20 [ 926.250277] prepare_exit_to_usermode+0x271/0x3a0 [ 926.255098] syscall_return_slowpath+0xe9/0x710 [ 926.259746] do_syscall_64+0x1ad/0x230 [ 926.263615] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 926.268780] [ 926.270379] Uninit was stored to memory at: [ 926.274677] kmsan_internal_chain_origin+0x12b/0x210 [ 926.279761] __msan_chain_origin+0x69/0xc0 [ 926.283970] __skb_clone+0x8a2/0x990 [ 926.287659] skb_clone+0x3e8/0x590 [ 926.291180] tcp_transmit_skb+0x3e4/0x5350 [ 926.295390] tcp_write_xmit+0x2d81/0xb200 [ 926.299513] tcp_send_fin+0x1722/0x1e80 [ 926.303464] tcp_close+0x1758/0x18f0 [ 926.307153] inet_release+0x249/0x2b0 [ 926.310935] sock_close+0xeb/0x310 [ 926.314449] __fput+0x458/0xa30 [ 926.317715] ____fput+0x37/0x40 [ 926.320967] task_work_run+0x22e/0x2b0 [ 926.324831] do_exit+0x110e/0x3930 [ 926.328344] do_group_exit+0x1a0/0x360 [ 926.332207] get_signal+0x1405/0x1ec0 [ 926.335981] do_signal+0xb8/0x1d20 [ 926.339493] prepare_exit_to_usermode+0x271/0x3a0 [ 926.344316] syscall_return_slowpath+0xe9/0x710 [ 926.348955] do_syscall_64+0x1ad/0x230 [ 926.352818] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 926.357986] [ 926.359585] Uninit was stored to memory at: [ 926.363881] kmsan_internal_chain_origin+0x12b/0x210 [ 926.368964] __msan_chain_origin+0x69/0xc0 [ 926.373174] __alloc_skb+0x949/0x9e0 [ 926.376869] tcp_send_fin+0x4dc/0x1e80 [ 926.380731] tcp_close+0x1758/0x18f0 [ 926.384419] inet_release+0x249/0x2b0 [ 926.388192] sock_close+0xeb/0x310 [ 926.391711] __fput+0x458/0xa30 [ 926.394973] ____fput+0x37/0x40 [ 926.398229] task_work_run+0x22e/0x2b0 [ 926.402092] do_exit+0x110e/0x3930 [ 926.405608] do_group_exit+0x1a0/0x360 [ 926.409468] get_signal+0x1405/0x1ec0 [ 926.413245] do_signal+0xb8/0x1d20 [ 926.416761] prepare_exit_to_usermode+0x271/0x3a0 [ 926.421576] syscall_return_slowpath+0xe9/0x710 [ 926.426220] do_syscall_64+0x1ad/0x230 [ 926.430085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 926.435246] [ 926.436853] Uninit was created at: [ 926.440371] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 926.445448] kmsan_kmalloc+0x94/0x100 [ 926.449222] kmsan_slab_alloc+0x10/0x20 [ 926.453172] kmem_cache_alloc_node+0x8af/0xc80 [ 926.457728] __alloc_skb+0x202/0x9e0 [ 926.461425] tcp_send_fin+0x4dc/0x1e80 [ 926.465285] tcp_close+0x1758/0x18f0 [ 926.468973] inet_release+0x249/0x2b0 [ 926.472747] sock_close+0xeb/0x310 [ 926.476264] __fput+0x458/0xa30 [ 926.479520] ____fput+0x37/0x40 [ 926.482775] task_work_run+0x22e/0x2b0 [ 926.486644] do_exit+0x110e/0x3930 [ 926.490161] do_group_exit+0x1a0/0x360 [ 926.494022] get_signal+0x1405/0x1ec0 [ 926.497797] do_signal+0xb8/0x1d20 [ 926.501310] prepare_exit_to_usermode+0x271/0x3a0 [ 926.506127] syscall_return_slowpath+0xe9/0x710 [ 926.510771] do_syscall_64+0x1ad/0x230 [ 926.514633] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:22:51 executed programs: 2920 [ 932.839008] not chained 160000 origins [ 932.842948] CPU: 0 PID: 16771 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 932.849779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 932.859122] Call Trace: [ 932.861694] [ 932.863848] dump_stack+0x185/0x1d0 [ 932.867463] kmsan_internal_chain_origin+0x1ff/0x210 [ 932.872552] ? csum_partial_ext+0x89/0xa0 [ 932.876680] ? __skb_checksum+0xf32/0xfb0 [ 932.880814] ? kmsan_set_origin_inline+0x6b/0x120 [ 932.885634] ? __msan_poison_alloca+0x15c/0x1d0 [ 932.890283] ? validate_xmit_skb+0xfea/0x1320 [ 932.894765] ? kmsan_set_origin_inline+0x6b/0x120 [ 932.899591] ? __msan_poison_alloca+0x15c/0x1d0 [ 932.904239] ? __dev_queue_xmit+0x2ad2/0x3540 [ 932.908716] __msan_chain_origin+0x69/0xc0 [ 932.912943] dev_hard_start_xmit+0x679/0xc80 [ 932.917351] __dev_queue_xmit+0x2ad2/0x3540 [ 932.921658] dev_queue_xmit+0x4b/0x60 [ 932.925436] ip_finish_output2+0x12a8/0x1480 [ 932.929834] ip_finish_output+0xcbc/0x1000 [ 932.934052] ip_output+0x505/0x5d0 [ 932.937586] ? ip_mc_finish_output+0x3b0/0x3b0 [ 932.942156] ? ip_finish_output+0x1000/0x1000 [ 932.946630] ip_local_out+0x164/0x1d0 [ 932.950409] iptunnel_xmit+0x854/0xdb0 [ 932.954282] ip_tunnel_xmit+0x3422/0x37c0 [ 932.958430] ipip_tunnel_xmit+0x32b/0x4c0 [ 932.962567] ? ipip_tunnel_init+0x1d0/0x1d0 [ 932.966873] dev_hard_start_xmit+0x5f6/0xc80 [ 932.971262] __dev_queue_xmit+0x2ad2/0x3540 [ 932.975566] dev_queue_xmit+0x4b/0x60 [ 932.979348] neigh_direct_output+0x42/0x50 [ 932.983563] ? neigh_connected_output+0x710/0x710 [ 932.988385] ip_finish_output2+0x1354/0x1480 [ 932.992779] ip_finish_output+0xcbc/0x1000 [ 932.996995] ip_output+0x505/0x5d0 [ 933.000526] ? ip_mc_finish_output+0x3b0/0x3b0 [ 933.005097] ? ip_finish_output+0x1000/0x1000 [ 933.009581] ip_queue_xmit+0x1b0f/0x1d00 [ 933.013620] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 933.019054] ? __skb_clone+0x6ec/0x990 [ 933.022931] ? ip_output+0x5d0/0x5d0 [ 933.026627] tcp_transmit_skb+0x3db5/0x5350 [ 933.030935] __tcp_retransmit_skb+0x2fd6/0x4100 [ 933.035586] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 933.041020] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 933.046451] ? bictcp_state+0x1ba/0x2a0 [ 933.050408] tcp_retransmit_skb+0xa6/0x480 [ 933.054620] tcp_retransmit_timer+0x21f9/0x4280 [ 933.059269] tcp_write_timer_handler+0x5c2/0xef0 [ 933.064017] ? call_timer_fn+0x280/0x5d0 [ 933.068079] tcp_write_timer+0x12b/0x280 [ 933.072139] call_timer_fn+0x280/0x5d0 [ 933.076013] ? tcp_init_xmit_timers+0xd0/0xd0 [ 933.080490] __run_timers+0xd96/0x11b0 [ 933.084366] ? tcp_init_xmit_timers+0xd0/0xd0 [ 933.088864] ? irq_exit+0x202/0x240 [ 933.092480] ? run_timer_softirq+0x14/0x70 [ 933.096710] ? timers_dead_cpu+0x1010/0x1010 [ 933.101105] run_timer_softirq+0x43/0x70 [ 933.105157] __do_softirq+0x592/0x979 [ 933.108938] irq_exit+0x202/0x240 [ 933.112370] exiting_irq+0xe/0x10 [ 933.115800] smp_apic_timer_interrupt+0x64/0x90 [ 933.120453] apic_timer_interrupt+0xf/0x20 [ 933.124682] [ 933.126910] RIP: 0010:__msan_get_context_state+0x3e/0xf0 [ 933.132342] RSP: 0000:ffff8801816dfa40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 933.140027] RAX: ffff880184cde098 RBX: ffffffff8b58d000 RCX: ffff880184cdd7c0 [ 933.147284] RDX: 0000000000000000 RSI: ffff880000000000 RDI: ffff880180f8d000 [ 933.154545] RBP: ffff8801816dfa68 R08: aaaaaaaaaaaab000 R09: 0000000000000002 [ 933.161795] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0009e55480 [ 933.169044] R13: 00000000000000f8 R14: ffff880184cdd7c0 R15: ffff880184cdf098 [ 933.176324] _cond_resched+0xf/0xd0 [ 933.179930] clear_huge_page+0xa58/0xd10 [ 933.183974] do_huge_pmd_anonymous_page+0xf86/0x2540 [ 933.189076] handle_mm_fault+0x44ca/0x7ed0 [ 933.193299] ? kmsan_set_origin_inline+0x6b/0x120 [ 933.198139] __do_page_fault+0xec6/0x1a10 [ 933.202280] do_page_fault+0xb7/0x250 [ 933.206070] ? page_fault+0x8/0x30 [ 933.209604] page_fault+0x1e/0x30 [ 933.213051] RIP: 0033:0x4077fa [ 933.216228] RSP: 002b:0000000000a3e940 EFLAGS: 00010246 [ 933.221575] RAX: 0000000020942000 RBX: 0000000000000000 RCX: 0000000000000002 [ 933.228833] RDX: 426b76decf18f387 RSI: 0000000000000000 RDI: 000000000100e848 [ 933.236083] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000730088 [ 933.243339] R10: 0000000000a3e940 R11: 0000000000000246 R12: 0000000000000000 [ 933.250588] R13: 0000000000000002 R14: 000000000072bea0 R15: 00000000000e3efb [ 933.257840] Uninit was stored to memory at: [ 933.262148] kmsan_internal_chain_origin+0x12b/0x210 [ 933.267228] __msan_chain_origin+0x69/0xc0 [ 933.271443] dev_hard_start_xmit+0x679/0xc80 [ 933.275828] __dev_queue_xmit+0x2ad2/0x3540 [ 933.280137] dev_queue_xmit+0x4b/0x60 [ 933.283926] neigh_direct_output+0x42/0x50 [ 933.288149] ip_finish_output2+0x1354/0x1480 [ 933.292542] ip_finish_output+0xcbc/0x1000 [ 933.296751] ip_output+0x505/0x5d0 [ 933.300270] ip_queue_xmit+0x1b0f/0x1d00 [ 933.304309] tcp_transmit_skb+0x3db5/0x5350 [ 933.308617] __tcp_retransmit_skb+0x2fd6/0x4100 [ 933.313270] tcp_retransmit_skb+0xa6/0x480 [ 933.317481] tcp_retransmit_timer+0x21f9/0x4280 [ 933.322132] tcp_write_timer_handler+0x5c2/0xef0 [ 933.326881] tcp_write_timer+0x12b/0x280 [ 933.330931] call_timer_fn+0x280/0x5d0 [ 933.334802] __run_timers+0xd96/0x11b0 [ 933.338667] run_timer_softirq+0x43/0x70 [ 933.342709] __do_softirq+0x592/0x979 [ 933.346487] [ 933.348098] Uninit was stored to memory at: [ 933.352424] kmsan_internal_chain_origin+0x12b/0x210 [ 933.357523] __msan_chain_origin+0x69/0xc0 [ 933.361754] __skb_clone+0x8a2/0x990 [ 933.365461] skb_clone+0x3e8/0x590 [ 933.368983] tcp_transmit_skb+0x3e4/0x5350 [ 933.373203] __tcp_retransmit_skb+0x2fd6/0x4100 [ 933.377856] tcp_retransmit_skb+0xa6/0x480 [ 933.382072] tcp_retransmit_timer+0x21f9/0x4280 [ 933.386729] tcp_write_timer_handler+0x5c2/0xef0 [ 933.391461] tcp_write_timer+0x12b/0x280 [ 933.395500] call_timer_fn+0x280/0x5d0 [ 933.399375] __run_timers+0xd96/0x11b0 [ 933.403248] run_timer_softirq+0x43/0x70 [ 933.407299] __do_softirq+0x592/0x979 [ 933.411087] [ 933.412694] Uninit was stored to memory at: [ 933.417001] kmsan_internal_chain_origin+0x12b/0x210 [ 933.422088] __msan_chain_origin+0x69/0xc0 [ 933.426309] dev_hard_start_xmit+0x679/0xc80 [ 933.430694] __dev_queue_xmit+0x2ad2/0x3540 [ 933.435005] dev_queue_xmit+0x4b/0x60 [ 933.438780] ip_finish_output2+0x12a8/0x1480 [ 933.443164] ip_finish_output+0xcbc/0x1000 [ 933.447372] ip_output+0x505/0x5d0 [ 933.450885] ip_local_out+0x164/0x1d0 [ 933.454664] iptunnel_xmit+0x854/0xdb0 [ 933.458527] ip_tunnel_xmit+0x3422/0x37c0 [ 933.462660] ipip_tunnel_xmit+0x32b/0x4c0 [ 933.466793] dev_hard_start_xmit+0x5f6/0xc80 [ 933.471180] __dev_queue_xmit+0x2ad2/0x3540 [ 933.475490] dev_queue_xmit+0x4b/0x60 [ 933.479269] neigh_direct_output+0x42/0x50 [ 933.483482] ip_finish_output2+0x1354/0x1480 [ 933.487869] ip_finish_output+0xcbc/0x1000 [ 933.492091] ip_output+0x505/0x5d0 [ 933.495615] ip_queue_xmit+0x1b0f/0x1d00 [ 933.499653] tcp_transmit_skb+0x3db5/0x5350 [ 933.503953] tcp_write_xmit+0x2d81/0xb200 [ 933.508084] tcp_send_fin+0x1722/0x1e80 [ 933.512053] tcp_close+0x1758/0x18f0 [ 933.515767] inet_release+0x249/0x2b0 [ 933.519544] sock_close+0xeb/0x310 [ 933.523071] __fput+0x458/0xa30 [ 933.526339] ____fput+0x37/0x40 [ 933.529597] task_work_run+0x22e/0x2b0 [ 933.533462] do_exit+0x110e/0x3930 [ 933.536980] do_group_exit+0x1a0/0x360 [ 933.540847] get_signal+0x1405/0x1ec0 [ 933.544625] do_signal+0xb8/0x1d20 [ 933.548143] prepare_exit_to_usermode+0x271/0x3a0 [ 933.552972] syscall_return_slowpath+0xe9/0x710 [ 933.557629] do_syscall_64+0x1ad/0x230 [ 933.561496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 933.566660] [ 933.568264] Uninit was stored to memory at: [ 933.572568] kmsan_internal_chain_origin+0x12b/0x210 [ 933.577657] __msan_chain_origin+0x69/0xc0 [ 933.581874] dev_hard_start_xmit+0x679/0xc80 [ 933.586269] __dev_queue_xmit+0x2ad2/0x3540 [ 933.590569] dev_queue_xmit+0x4b/0x60 [ 933.594346] neigh_direct_output+0x42/0x50 [ 933.598557] ip_finish_output2+0x1354/0x1480 [ 933.602947] ip_finish_output+0xcbc/0x1000 [ 933.607167] ip_output+0x505/0x5d0 [ 933.610695] ip_queue_xmit+0x1b0f/0x1d00 [ 933.614739] tcp_transmit_skb+0x3db5/0x5350 [ 933.619042] tcp_write_xmit+0x2d81/0xb200 [ 933.623175] tcp_send_fin+0x1722/0x1e80 [ 933.627127] tcp_close+0x1758/0x18f0 [ 933.630817] inet_release+0x249/0x2b0 [ 933.634592] sock_close+0xeb/0x310 [ 933.638122] __fput+0x458/0xa30 [ 933.641649] ____fput+0x37/0x40 [ 933.644904] task_work_run+0x22e/0x2b0 [ 933.648772] do_exit+0x110e/0x3930 [ 933.652291] do_group_exit+0x1a0/0x360 [ 933.656157] get_signal+0x1405/0x1ec0 [ 933.659937] do_signal+0xb8/0x1d20 [ 933.663462] prepare_exit_to_usermode+0x271/0x3a0 [ 933.668310] syscall_return_slowpath+0xe9/0x710 [ 933.672969] do_syscall_64+0x1ad/0x230 [ 933.676847] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 933.682021] [ 933.683623] Uninit was stored to memory at: [ 933.687925] kmsan_internal_chain_origin+0x12b/0x210 [ 933.693002] __msan_chain_origin+0x69/0xc0 [ 933.697216] __skb_clone+0x8a2/0x990 [ 933.700914] skb_clone+0x3e8/0x590 [ 933.704445] tcp_transmit_skb+0x3e4/0x5350 [ 933.708657] tcp_write_xmit+0x2d81/0xb200 [ 933.712784] tcp_send_fin+0x1722/0x1e80 [ 933.716735] tcp_close+0x1758/0x18f0 [ 933.720433] inet_release+0x249/0x2b0 [ 933.724227] sock_close+0xeb/0x310 [ 933.727768] __fput+0x458/0xa30 [ 933.731038] ____fput+0x37/0x40 [ 933.734301] task_work_run+0x22e/0x2b0 [ 933.738171] do_exit+0x110e/0x3930 [ 933.741694] do_group_exit+0x1a0/0x360 [ 933.745574] get_signal+0x1405/0x1ec0 [ 933.749360] do_signal+0xb8/0x1d20 [ 933.752879] prepare_exit_to_usermode+0x271/0x3a0 [ 933.757699] syscall_return_slowpath+0xe9/0x710 [ 933.762346] do_syscall_64+0x1ad/0x230 [ 933.766210] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 933.771372] [ 933.772983] Uninit was stored to memory at: [ 933.777285] kmsan_internal_chain_origin+0x12b/0x210 [ 933.782365] __msan_chain_origin+0x69/0xc0 [ 933.786578] __skb_clone+0x8a2/0x990 [ 933.790267] skb_clone+0x3e8/0x590 [ 933.793796] tcp_transmit_skb+0x3e4/0x5350 [ 933.798007] tcp_write_xmit+0x2d81/0xb200 [ 933.802141] __tcp_push_pending_frames+0x124/0x400 [ 933.807064] tcp_push+0x803/0x8f0 [ 933.810502] tcp_sendmsg_locked+0x4eb1/0x6610 [ 933.814973] tcp_sendmsg+0xb2/0x100 [ 933.818577] inet_sendmsg+0x3fc/0x760 [ 933.822356] __sys_sendto+0x6c4/0x7e0 [ 933.826144] __x64_sys_sendto+0x1a1/0x210 [ 933.830280] do_syscall_64+0x15b/0x230 [ 933.834157] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 933.839325] [ 933.840924] Uninit was stored to memory at: [ 933.845224] kmsan_internal_chain_origin+0x12b/0x210 [ 933.850301] __msan_chain_origin+0x69/0xc0 [ 933.854513] __alloc_skb+0x949/0x9e0 [ 933.858213] sk_stream_alloc_skb+0x17c/0xcf0 [ 933.862621] tcp_sendmsg_locked+0x237e/0x6610 [ 933.867108] tcp_sendmsg+0xb2/0x100 [ 933.870721] inet_sendmsg+0x3fc/0x760 [ 933.874499] __sys_sendto+0x6c4/0x7e0 [ 933.878278] __x64_sys_sendto+0x1a1/0x210 [ 933.882400] do_syscall_64+0x15b/0x230 [ 933.886264] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 933.891423] [ 933.893024] Uninit was created at: [ 933.896543] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 933.901633] kmsan_kmalloc+0x94/0x100 [ 933.905409] kmsan_slab_alloc+0x10/0x20 [ 933.909368] kmem_cache_alloc_node+0x8af/0xc80 [ 933.913927] __alloc_skb+0x202/0x9e0 [ 933.917616] sk_stream_alloc_skb+0x17c/0xcf0 [ 933.922004] tcp_sendmsg_locked+0x237e/0x6610 [ 933.926475] tcp_sendmsg+0xb2/0x100 [ 933.930087] inet_sendmsg+0x3fc/0x760 [ 933.933873] __sys_sendto+0x6c4/0x7e0 [ 933.937649] __x64_sys_sendto+0x1a1/0x210 2018/06/19 09:22:56 executed programs: 3044 [ 933.941775] do_syscall_64+0x15b/0x230 [ 933.945638] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:23:01 executed programs: 3175 [ 940.513615] not chained 170000 origins [ 940.517560] CPU: 1 PID: 17453 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 940.524386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 940.533718] Call Trace: [ 940.536277] [ 940.538410] dump_stack+0x185/0x1d0 [ 940.542021] kmsan_internal_chain_origin+0x1ff/0x210 [ 940.547119] ? ip_route_output_key_hash_rcu+0x12f3/0x3a90 [ 940.552639] ? kmsan_set_origin_inline+0x6b/0x120 [ 940.557461] ? __msan_poison_alloca+0x15c/0x1d0 [ 940.562120] ? xfrm_lookup_route+0xfa/0x360 [ 940.566430] ? xfrm_lookup+0x200/0x39f0 [ 940.570380] ? xfrm_lookup_route+0xfa/0x360 [ 940.574680] ? xfrm_lookup+0xc12/0x39f0 [ 940.578656] ? kmsan_memcpy_origins+0xf1/0x170 [ 940.583229] ? __copy_skb_header+0x784/0x830 [ 940.587618] __msan_chain_origin+0x69/0xc0 [ 940.591835] __skb_clone+0x7b3/0x990 [ 940.595529] ? kmsan_set_origin_inline+0x6b/0x120 [ 940.600353] skb_clone+0x3e8/0x590 [ 940.603874] tcp_transmit_skb+0x3e4/0x5350 [ 940.608099] ? tcp_v4_md5_lookup+0x44/0x420 [ 940.612404] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 940.617762] __tcp_retransmit_skb+0x2fd6/0x4100 [ 940.622420] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 940.627866] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 940.633304] ? bictcp_state+0x1ba/0x2a0 [ 940.637259] tcp_retransmit_skb+0xa6/0x480 [ 940.641488] tcp_retransmit_timer+0x21f9/0x4280 [ 940.646151] tcp_write_timer_handler+0x5c2/0xef0 [ 940.650888] ? call_timer_fn+0x280/0x5d0 [ 940.654935] tcp_write_timer+0x12b/0x280 [ 940.658975] call_timer_fn+0x280/0x5d0 [ 940.662841] ? tcp_init_xmit_timers+0xd0/0xd0 [ 940.667318] __run_timers+0xd96/0x11b0 [ 940.671194] ? tcp_init_xmit_timers+0xd0/0xd0 [ 940.675684] ? irq_exit+0x202/0x240 [ 940.679301] ? run_timer_softirq+0x14/0x70 [ 940.683524] ? timers_dead_cpu+0x1010/0x1010 [ 940.687914] run_timer_softirq+0x43/0x70 [ 940.691954] __do_softirq+0x592/0x979 [ 940.695737] irq_exit+0x202/0x240 [ 940.699169] exiting_irq+0xe/0x10 [ 940.702603] smp_apic_timer_interrupt+0x64/0x90 [ 940.707256] apic_timer_interrupt+0xf/0x20 [ 940.711465] [ 940.713713] RIP: 0010:__d_lookup+0x31/0x9a0 [ 940.718009] RSP: 0018:ffff88018020f540 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 940.725697] RAX: ffffffff8b58d000 RBX: 0000000000000000 RCX: 0000000000000000 [ 940.732948] RDX: 0000000000000000 RSI: ffff88018020f718 RDI: ffff8801c8657000 [ 940.740195] RBP: ffff88018020f630 R08: 0000000000000000 R09: 0000000000000020 [ 940.747449] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 940.754708] R13: ffff88018020f718 R14: ffff88018020f718 R15: 0000000000000000 [ 940.761983] ? snprintf+0x226/0x260 [ 940.765599] ? __msan_get_context_state+0x20/0xf0 [ 940.770427] ? full_name_hash+0x236/0x320 [ 940.774560] ? d_hash_and_lookup+0x126/0x400 [ 940.778948] d_hash_and_lookup+0x296/0x400 [ 940.783208] proc_flush_task+0x2b0/0x810 [ 940.787266] release_task+0xa1/0x2530 [ 940.791053] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 940.796405] do_exit+0x2e11/0x3930 [ 940.799928] do_group_exit+0x1a0/0x360 [ 940.803793] get_signal+0x1405/0x1ec0 [ 940.807578] ? prepare_exit_to_usermode+0x271/0x3a0 [ 940.812573] ? prepare_exit_to_usermode+0x271/0x3a0 [ 940.817571] do_signal+0xb8/0x1d20 [ 940.821102] ? _raw_spin_unlock_bh+0x57/0x70 [ 940.825499] ? kmsan_set_origin_inline+0x6b/0x120 [ 940.830318] ? __msan_poison_alloca+0x15c/0x1d0 [ 940.834978] ? syscall_return_slowpath+0xe9/0x710 [ 940.839803] ? prepare_exit_to_usermode+0x4a/0x3a0 [ 940.844707] ? syscall_return_slowpath+0xe9/0x710 [ 940.849531] ? prepare_exit_to_usermode+0xec/0x3a0 [ 940.854439] prepare_exit_to_usermode+0x271/0x3a0 [ 940.859260] syscall_return_slowpath+0xe9/0x710 [ 940.863913] ? __x64_sys_futex+0x1a2/0x200 [ 940.868130] do_syscall_64+0x1ad/0x230 [ 940.872001] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 940.877167] RIP: 0033:0x455b29 [ 940.880333] RSP: 002b:00007f76f5aface8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 940.888016] RAX: fffffffffffffe00 RBX: 000000000072bf78 RCX: 0000000000455b29 [ 940.895273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bf78 [ 940.902533] RBP: 000000000072bf78 R08: 0000000000000000 R09: 000000000072bf50 [ 940.909786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 940.917034] R13: 0000000000a3e81f R14: 00007f76f5afb9c0 R15: 0000000000000001 [ 940.924293] Uninit was stored to memory at: [ 940.928606] kmsan_internal_chain_origin+0x12b/0x210 [ 940.933692] __msan_chain_origin+0x69/0xc0 [ 940.937909] dev_hard_start_xmit+0x679/0xc80 [ 940.942295] __dev_queue_xmit+0x2ad2/0x3540 [ 940.946595] dev_queue_xmit+0x4b/0x60 [ 940.950374] ip_finish_output2+0x12a8/0x1480 [ 940.954772] ip_finish_output+0xcbc/0x1000 [ 940.958981] ip_output+0x505/0x5d0 [ 940.962511] ip_local_out+0x164/0x1d0 [ 940.966299] iptunnel_xmit+0x854/0xdb0 [ 940.970161] ip_tunnel_xmit+0x3422/0x37c0 [ 940.974284] ipip_tunnel_xmit+0x32b/0x4c0 [ 940.978414] dev_hard_start_xmit+0x5f6/0xc80 [ 940.982802] __dev_queue_xmit+0x2ad2/0x3540 [ 940.987110] dev_queue_xmit+0x4b/0x60 [ 940.990908] neigh_direct_output+0x42/0x50 [ 940.995123] ip_finish_output2+0x1354/0x1480 [ 940.999511] ip_finish_output+0xcbc/0x1000 [ 941.003725] ip_output+0x505/0x5d0 [ 941.007249] ip_queue_xmit+0x1b0f/0x1d00 [ 941.011298] tcp_transmit_skb+0x3db5/0x5350 [ 941.015600] __tcp_retransmit_skb+0x2fd6/0x4100 [ 941.020247] tcp_send_loss_probe+0xc79/0xf10 [ 941.024645] tcp_write_timer_handler+0x726/0xef0 [ 941.029394] tcp_write_timer+0x12b/0x280 [ 941.033456] call_timer_fn+0x280/0x5d0 [ 941.037331] __run_timers+0xd96/0x11b0 [ 941.041214] run_timer_softirq+0x43/0x70 [ 941.045255] __do_softirq+0x592/0x979 [ 941.049027] [ 941.050634] Uninit was stored to memory at: [ 941.054943] kmsan_internal_chain_origin+0x12b/0x210 [ 941.060026] __msan_chain_origin+0x69/0xc0 [ 941.064244] dev_hard_start_xmit+0x679/0xc80 [ 941.068626] __dev_queue_xmit+0x2ad2/0x3540 [ 941.072925] dev_queue_xmit+0x4b/0x60 [ 941.076702] neigh_direct_output+0x42/0x50 [ 941.080912] ip_finish_output2+0x1354/0x1480 [ 941.085298] ip_finish_output+0xcbc/0x1000 [ 941.089513] ip_output+0x505/0x5d0 [ 941.093028] ip_queue_xmit+0x1b0f/0x1d00 [ 941.097080] tcp_transmit_skb+0x3db5/0x5350 [ 941.101389] __tcp_retransmit_skb+0x2fd6/0x4100 [ 941.106044] tcp_send_loss_probe+0xc79/0xf10 [ 941.110438] tcp_write_timer_handler+0x726/0xef0 [ 941.115171] tcp_write_timer+0x12b/0x280 [ 941.119212] call_timer_fn+0x280/0x5d0 [ 941.123090] __run_timers+0xd96/0x11b0 [ 941.126973] run_timer_softirq+0x43/0x70 [ 941.131034] __do_softirq+0x592/0x979 [ 941.134820] [ 941.136428] Uninit was stored to memory at: [ 941.140741] kmsan_internal_chain_origin+0x12b/0x210 [ 941.145841] __msan_chain_origin+0x69/0xc0 [ 941.150073] __skb_clone+0x8a2/0x990 [ 941.153778] skb_clone+0x3e8/0x590 [ 941.157297] tcp_transmit_skb+0x3e4/0x5350 [ 941.161508] __tcp_retransmit_skb+0x2fd6/0x4100 [ 941.166153] tcp_send_loss_probe+0xc79/0xf10 [ 941.170536] tcp_write_timer_handler+0x726/0xef0 [ 941.175266] tcp_write_timer+0x12b/0x280 [ 941.179302] call_timer_fn+0x280/0x5d0 [ 941.183165] __run_timers+0xd96/0x11b0 [ 941.187029] run_timer_softirq+0x43/0x70 [ 941.191080] __do_softirq+0x592/0x979 [ 941.194859] [ 941.196458] Uninit was stored to memory at: [ 941.200759] kmsan_internal_chain_origin+0x12b/0x210 [ 941.205842] __msan_chain_origin+0x69/0xc0 [ 941.210060] dev_hard_start_xmit+0x679/0xc80 [ 941.214453] __dev_queue_xmit+0x2ad2/0x3540 [ 941.218753] dev_queue_xmit+0x4b/0x60 [ 941.222531] ip_finish_output2+0x12a8/0x1480 [ 941.226922] ip_finish_output+0xcbc/0x1000 [ 941.231131] ip_output+0x505/0x5d0 [ 941.234645] ip_local_out+0x164/0x1d0 [ 941.238420] iptunnel_xmit+0x854/0xdb0 [ 941.242284] ip_tunnel_xmit+0x3422/0x37c0 [ 941.246420] ipip_tunnel_xmit+0x32b/0x4c0 [ 941.250550] dev_hard_start_xmit+0x5f6/0xc80 [ 941.254941] __dev_queue_xmit+0x2ad2/0x3540 [ 941.259247] dev_queue_xmit+0x4b/0x60 [ 941.263037] neigh_direct_output+0x42/0x50 [ 941.267262] ip_finish_output2+0x1354/0x1480 [ 941.271648] ip_finish_output+0xcbc/0x1000 [ 941.275873] ip_output+0x505/0x5d0 [ 941.279400] ip_queue_xmit+0x1b0f/0x1d00 [ 941.283453] tcp_transmit_skb+0x3db5/0x5350 [ 941.287756] tcp_write_xmit+0x2d81/0xb200 [ 941.291885] tcp_send_fin+0x1722/0x1e80 [ 941.295837] tcp_close+0x1758/0x18f0 [ 941.299527] inet_release+0x249/0x2b0 [ 941.303306] sock_close+0xeb/0x310 [ 941.306826] __fput+0x458/0xa30 [ 941.310093] ____fput+0x37/0x40 [ 941.313359] task_work_run+0x22e/0x2b0 [ 941.317224] do_exit+0x110e/0x3930 [ 941.320744] do_group_exit+0x1a0/0x360 [ 941.324608] get_signal+0x1405/0x1ec0 [ 941.328385] do_signal+0xb8/0x1d20 [ 941.331901] prepare_exit_to_usermode+0x271/0x3a0 [ 941.336720] syscall_return_slowpath+0xe9/0x710 [ 941.341362] do_syscall_64+0x1ad/0x230 [ 941.345230] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 941.350391] [ 941.351990] Uninit was stored to memory at: [ 941.356289] kmsan_internal_chain_origin+0x12b/0x210 [ 941.361366] __msan_chain_origin+0x69/0xc0 [ 941.365587] dev_hard_start_xmit+0x679/0xc80 [ 941.369979] __dev_queue_xmit+0x2ad2/0x3540 [ 941.374286] dev_queue_xmit+0x4b/0x60 [ 941.378071] neigh_direct_output+0x42/0x50 [ 941.382290] ip_finish_output2+0x1354/0x1480 [ 941.386674] ip_finish_output+0xcbc/0x1000 [ 941.390885] ip_output+0x505/0x5d0 [ 941.394399] ip_queue_xmit+0x1b0f/0x1d00 [ 941.398444] tcp_transmit_skb+0x3db5/0x5350 [ 941.402747] tcp_write_xmit+0x2d81/0xb200 [ 941.406870] tcp_send_fin+0x1722/0x1e80 [ 941.410823] tcp_close+0x1758/0x18f0 [ 941.414515] inet_release+0x249/0x2b0 [ 941.418290] sock_close+0xeb/0x310 [ 941.421806] __fput+0x458/0xa30 [ 941.425075] ____fput+0x37/0x40 [ 941.428340] task_work_run+0x22e/0x2b0 [ 941.432208] do_exit+0x110e/0x3930 [ 941.435723] do_group_exit+0x1a0/0x360 [ 941.439586] get_signal+0x1405/0x1ec0 [ 941.443364] do_signal+0xb8/0x1d20 [ 941.446881] prepare_exit_to_usermode+0x271/0x3a0 [ 941.451705] syscall_return_slowpath+0xe9/0x710 [ 941.456351] do_syscall_64+0x1ad/0x230 [ 941.460219] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 941.465387] [ 941.466987] Uninit was stored to memory at: [ 941.471295] kmsan_internal_chain_origin+0x12b/0x210 [ 941.476803] __msan_chain_origin+0x69/0xc0 [ 941.481016] __skb_clone+0x8a2/0x990 [ 941.484705] skb_clone+0x3e8/0x590 [ 941.488223] tcp_transmit_skb+0x3e4/0x5350 [ 941.492433] tcp_write_xmit+0x2d81/0xb200 [ 941.496555] tcp_send_fin+0x1722/0x1e80 [ 941.500505] tcp_close+0x1758/0x18f0 [ 941.504196] inet_release+0x249/0x2b0 [ 941.507976] sock_close+0xeb/0x310 [ 941.511494] __fput+0x458/0xa30 [ 941.514748] ____fput+0x37/0x40 [ 941.518001] task_work_run+0x22e/0x2b0 [ 941.521862] do_exit+0x110e/0x3930 [ 941.525379] do_group_exit+0x1a0/0x360 [ 941.529243] get_signal+0x1405/0x1ec0 [ 941.533019] do_signal+0xb8/0x1d20 [ 941.536549] prepare_exit_to_usermode+0x271/0x3a0 [ 941.541389] syscall_return_slowpath+0xe9/0x710 [ 941.546042] do_syscall_64+0x1ad/0x230 [ 941.549915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 941.555079] [ 941.556686] Uninit was stored to memory at: [ 941.560985] kmsan_internal_chain_origin+0x12b/0x210 [ 941.566069] __msan_chain_origin+0x69/0xc0 [ 941.570290] __alloc_skb+0x949/0x9e0 [ 941.573980] tcp_send_fin+0x4dc/0x1e80 [ 941.577843] tcp_close+0x1758/0x18f0 [ 941.581534] inet_release+0x249/0x2b0 [ 941.585312] sock_close+0xeb/0x310 [ 941.588827] __fput+0x458/0xa30 [ 941.592090] ____fput+0x37/0x40 [ 941.595350] task_work_run+0x22e/0x2b0 [ 941.599222] do_exit+0x110e/0x3930 [ 941.602746] do_group_exit+0x1a0/0x360 [ 941.606611] get_signal+0x1405/0x1ec0 [ 941.610390] do_signal+0xb8/0x1d20 [ 941.613908] prepare_exit_to_usermode+0x271/0x3a0 [ 941.618728] syscall_return_slowpath+0xe9/0x710 [ 941.623372] do_syscall_64+0x1ad/0x230 [ 941.627238] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 941.632399] [ 941.634001] Uninit was created at: [ 941.637517] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 941.642600] kmsan_kmalloc+0x94/0x100 [ 941.646378] kmsan_slab_alloc+0x10/0x20 [ 941.650330] kmem_cache_alloc_node+0x8af/0xc80 [ 941.654898] __alloc_skb+0x202/0x9e0 [ 941.658597] tcp_send_fin+0x4dc/0x1e80 [ 941.662459] tcp_close+0x1758/0x18f0 [ 941.666152] inet_release+0x249/0x2b0 [ 941.669927] sock_close+0xeb/0x310 [ 941.673443] __fput+0x458/0xa30 [ 941.676697] ____fput+0x37/0x40 [ 941.679952] task_work_run+0x22e/0x2b0 [ 941.683816] do_exit+0x110e/0x3930 [ 941.687331] do_group_exit+0x1a0/0x360 [ 941.691195] get_signal+0x1405/0x1ec0 [ 941.694973] do_signal+0xb8/0x1d20 [ 941.698490] prepare_exit_to_usermode+0x271/0x3a0 [ 941.703307] syscall_return_slowpath+0xe9/0x710 [ 941.707948] do_syscall_64+0x1ad/0x230 [ 941.711811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:23:07 executed programs: 3273 [ 948.195190] not chained 180000 origins [ 948.199130] CPU: 1 PID: 18120 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 948.205964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 948.215309] Call Trace: [ 948.217872] [ 948.220008] dump_stack+0x185/0x1d0 [ 948.223628] kmsan_internal_chain_origin+0x1ff/0x210 [ 948.228739] ? csum_partial_ext+0x89/0xa0 [ 948.232874] ? __skb_checksum+0xf32/0xfb0 [ 948.237017] ? kmsan_set_origin_inline+0x6b/0x120 [ 948.241846] ? __msan_poison_alloca+0x15c/0x1d0 [ 948.246503] ? validate_xmit_skb+0xfea/0x1320 [ 948.251000] ? kmsan_set_origin_inline+0x6b/0x120 [ 948.255841] ? __msan_poison_alloca+0x15c/0x1d0 [ 948.260501] ? __dev_queue_xmit+0x2ad2/0x3540 [ 948.264981] __msan_chain_origin+0x69/0xc0 [ 948.269199] dev_hard_start_xmit+0x679/0xc80 [ 948.273588] __dev_queue_xmit+0x2ad2/0x3540 [ 948.277906] dev_queue_xmit+0x4b/0x60 [ 948.281698] ip_finish_output2+0x12a8/0x1480 [ 948.286099] ip_finish_output+0xcbc/0x1000 [ 948.290314] ip_output+0x505/0x5d0 [ 948.293842] ? ip_mc_finish_output+0x3b0/0x3b0 [ 948.298404] ? ip_finish_output+0x1000/0x1000 [ 948.302875] ip_local_out+0x164/0x1d0 [ 948.306652] iptunnel_xmit+0x854/0xdb0 [ 948.310521] ip_tunnel_xmit+0x3422/0x37c0 [ 948.314659] ipip_tunnel_xmit+0x32b/0x4c0 [ 948.318788] ? ipip_tunnel_init+0x1d0/0x1d0 [ 948.323101] dev_hard_start_xmit+0x5f6/0xc80 [ 948.327494] __dev_queue_xmit+0x2ad2/0x3540 [ 948.331799] dev_queue_xmit+0x4b/0x60 [ 948.335583] neigh_direct_output+0x42/0x50 [ 948.339804] ? neigh_connected_output+0x710/0x710 [ 948.344640] ip_finish_output2+0x1354/0x1480 [ 948.349037] ip_finish_output+0xcbc/0x1000 [ 948.353268] ip_output+0x505/0x5d0 [ 948.356803] ? ip_mc_finish_output+0x3b0/0x3b0 [ 948.361366] ? ip_finish_output+0x1000/0x1000 [ 948.365840] ip_queue_xmit+0x1b0f/0x1d00 [ 948.369882] ? get_irq_regs+0x9/0x30 [ 948.373574] ? set_irq_regs+0x39/0x90 [ 948.377355] ? ip_output+0x5d0/0x5d0 [ 948.381057] tcp_transmit_skb+0x3db5/0x5350 [ 948.385394] __tcp_retransmit_skb+0x2fd6/0x4100 [ 948.390062] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 948.395515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 948.400948] ? bictcp_state+0x1ba/0x2a0 [ 948.404914] tcp_retransmit_skb+0xa6/0x480 [ 948.409137] tcp_retransmit_timer+0x21f9/0x4280 [ 948.413805] tcp_write_timer_handler+0x5c2/0xef0 [ 948.418552] ? call_timer_fn+0x280/0x5d0 [ 948.422599] tcp_write_timer+0x12b/0x280 [ 948.426646] call_timer_fn+0x280/0x5d0 [ 948.430516] ? tcp_init_xmit_timers+0xd0/0xd0 [ 948.434992] __run_timers+0xd96/0x11b0 [ 948.438860] ? tcp_init_xmit_timers+0xd0/0xd0 [ 948.443343] ? do_softirq_own_stack+0x2a/0x40 [ 948.447837] ? run_timer_softirq+0x14/0x70 [ 948.452073] ? timers_dead_cpu+0x1010/0x1010 [ 948.456471] run_timer_softirq+0x43/0x70 [ 948.460511] __do_softirq+0x592/0x979 [ 948.464297] do_softirq_own_stack+0x2a/0x40 [ 948.468591] [ 948.470809] __local_bh_enable_ip+0x114/0x140 [ 948.475284] _raw_spin_unlock_bh+0x57/0x70 [ 948.479500] inet_csk_get_port+0x1a43/0x1e80 [ 948.483897] ? __msan_poison_alloca+0x15c/0x1d0 [ 948.488567] ? local_bh_enable+0x36/0x40 [ 948.492616] ? __local_bh_enable_ip+0x3b/0x140 [ 948.497177] ? local_bh_enable+0x36/0x40 [ 948.501240] ? inet_get_local_port_range+0x2d0/0x2d0 [ 948.506332] __inet_bind+0xa5b/0x1000 [ 948.510112] inet_bind+0x219/0x2f0 [ 948.513634] ? inet_release+0x2b0/0x2b0 [ 948.517590] __sys_bind+0x3f4/0x4b0 [ 948.521205] ? syscall_return_slowpath+0xe9/0x710 [ 948.526038] __x64_sys_bind+0xd8/0x120 [ 948.529910] ? __sys_bind+0x4b0/0x4b0 [ 948.533688] do_syscall_64+0x15b/0x230 [ 948.537570] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 948.542738] RIP: 0033:0x455b29 [ 948.545905] RSP: 002b:00007f76f5b1bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 948.553592] RAX: ffffffffffffffda RBX: 00007f76f5b1c6d4 RCX: 0000000000455b29 [ 948.560839] RDX: 0000000000000010 RSI: 0000000020942000 RDI: 0000000000000003 [ 948.568094] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 948.575361] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 948.582623] R13: 00000000004bb630 R14: 00000000004c8138 R15: 0000000000000000 [ 948.589874] Uninit was stored to memory at: [ 948.594180] kmsan_internal_chain_origin+0x12b/0x210 [ 948.599262] __msan_chain_origin+0x69/0xc0 [ 948.603474] dev_hard_start_xmit+0x679/0xc80 [ 948.607866] __dev_queue_xmit+0x2ad2/0x3540 [ 948.612169] dev_queue_xmit+0x4b/0x60 [ 948.615949] ip_finish_output2+0x12a8/0x1480 [ 948.620336] ip_finish_output+0xcbc/0x1000 [ 948.624547] ip_output+0x505/0x5d0 [ 948.628075] ip_local_out+0x164/0x1d0 [ 948.631872] iptunnel_xmit+0x854/0xdb0 [ 948.635743] ip_tunnel_xmit+0x3422/0x37c0 [ 948.639888] ipip_tunnel_xmit+0x32b/0x4c0 [ 948.644025] dev_hard_start_xmit+0x5f6/0xc80 [ 948.648414] __dev_queue_xmit+0x2ad2/0x3540 [ 948.652719] dev_queue_xmit+0x4b/0x60 [ 948.656498] neigh_direct_output+0x42/0x50 [ 948.660710] ip_finish_output2+0x1354/0x1480 [ 948.665097] ip_finish_output+0xcbc/0x1000 [ 948.669306] ip_output+0x505/0x5d0 [ 948.672823] ip_queue_xmit+0x1b0f/0x1d00 [ 948.676860] tcp_transmit_skb+0x3db5/0x5350 [ 948.681164] __tcp_retransmit_skb+0x2fd6/0x4100 [ 948.685813] tcp_send_loss_probe+0xc79/0xf10 [ 948.690205] tcp_write_timer_handler+0x726/0xef0 [ 948.694939] tcp_write_timer+0x12b/0x280 [ 948.698987] call_timer_fn+0x280/0x5d0 [ 948.702871] __run_timers+0xd96/0x11b0 [ 948.706759] run_timer_softirq+0x43/0x70 [ 948.710815] __do_softirq+0x592/0x979 [ 948.714587] [ 948.716190] Uninit was stored to memory at: [ 948.720503] kmsan_internal_chain_origin+0x12b/0x210 [ 948.725583] __msan_chain_origin+0x69/0xc0 [ 948.729798] dev_hard_start_xmit+0x679/0xc80 [ 948.734193] __dev_queue_xmit+0x2ad2/0x3540 [ 948.738505] dev_queue_xmit+0x4b/0x60 [ 948.742282] neigh_direct_output+0x42/0x50 [ 948.746494] ip_finish_output2+0x1354/0x1480 [ 948.750880] ip_finish_output+0xcbc/0x1000 [ 948.755102] ip_output+0x505/0x5d0 [ 948.758621] ip_queue_xmit+0x1b0f/0x1d00 [ 948.762664] tcp_transmit_skb+0x3db5/0x5350 [ 948.766965] __tcp_retransmit_skb+0x2fd6/0x4100 [ 948.771615] tcp_send_loss_probe+0xc79/0xf10 [ 948.776007] tcp_write_timer_handler+0x726/0xef0 [ 948.780749] tcp_write_timer+0x12b/0x280 [ 948.784802] call_timer_fn+0x280/0x5d0 [ 948.788669] __run_timers+0xd96/0x11b0 [ 948.792535] run_timer_softirq+0x43/0x70 [ 948.796576] __do_softirq+0x592/0x979 [ 948.800349] [ 948.801948] Uninit was stored to memory at: [ 948.806260] kmsan_internal_chain_origin+0x12b/0x210 [ 948.811346] __msan_chain_origin+0x69/0xc0 [ 948.815567] __skb_clone+0x8a2/0x990 [ 948.819273] skb_clone+0x3e8/0x590 [ 948.822795] tcp_transmit_skb+0x3e4/0x5350 [ 948.827008] __tcp_retransmit_skb+0x2fd6/0x4100 [ 948.831666] tcp_send_loss_probe+0xc79/0xf10 [ 948.836067] tcp_write_timer_handler+0x726/0xef0 [ 948.840815] tcp_write_timer+0x12b/0x280 [ 948.844870] call_timer_fn+0x280/0x5d0 [ 948.848742] __run_timers+0xd96/0x11b0 [ 948.852610] run_timer_softirq+0x43/0x70 [ 948.856652] __do_softirq+0x592/0x979 [ 948.860445] [ 948.862052] Uninit was stored to memory at: [ 948.866361] kmsan_internal_chain_origin+0x12b/0x210 [ 948.871446] __msan_chain_origin+0x69/0xc0 [ 948.875661] dev_hard_start_xmit+0x679/0xc80 [ 948.880066] __dev_queue_xmit+0x2ad2/0x3540 [ 948.884375] dev_queue_xmit+0x4b/0x60 [ 948.888157] ip_finish_output2+0x12a8/0x1480 [ 948.892562] ip_finish_output+0xcbc/0x1000 [ 948.896806] ip_output+0x505/0x5d0 [ 948.900324] ip_local_out+0x164/0x1d0 [ 948.904103] iptunnel_xmit+0x854/0xdb0 [ 948.907968] ip_tunnel_xmit+0x3422/0x37c0 [ 948.912101] ipip_tunnel_xmit+0x32b/0x4c0 [ 948.916235] dev_hard_start_xmit+0x5f6/0xc80 [ 948.920640] __dev_queue_xmit+0x2ad2/0x3540 [ 948.924940] dev_queue_xmit+0x4b/0x60 [ 948.928720] neigh_direct_output+0x42/0x50 [ 948.932932] ip_finish_output2+0x1354/0x1480 [ 948.937317] ip_finish_output+0xcbc/0x1000 [ 948.941527] ip_output+0x505/0x5d0 [ 948.945043] ip_queue_xmit+0x1b0f/0x1d00 [ 948.949094] tcp_transmit_skb+0x3db5/0x5350 [ 948.953396] tcp_write_xmit+0x2d81/0xb200 [ 948.957533] tcp_send_fin+0x1722/0x1e80 [ 948.961500] tcp_close+0x1758/0x18f0 [ 948.965207] inet_release+0x249/0x2b0 [ 948.968984] sock_close+0xeb/0x310 [ 948.972502] __fput+0x458/0xa30 [ 948.975759] ____fput+0x37/0x40 [ 948.979020] task_work_run+0x22e/0x2b0 [ 948.982889] do_exit+0x110e/0x3930 [ 948.986416] do_group_exit+0x1a0/0x360 [ 948.990279] get_signal+0x1405/0x1ec0 [ 948.994063] do_signal+0xb8/0x1d20 [ 948.997593] prepare_exit_to_usermode+0x271/0x3a0 [ 949.002415] syscall_return_slowpath+0xe9/0x710 [ 949.007069] do_syscall_64+0x1ad/0x230 [ 949.010945] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 949.016111] [ 949.017712] Uninit was stored to memory at: [ 949.022013] kmsan_internal_chain_origin+0x12b/0x210 [ 949.027105] __msan_chain_origin+0x69/0xc0 [ 949.031324] dev_hard_start_xmit+0x679/0xc80 [ 949.035720] __dev_queue_xmit+0x2ad2/0x3540 [ 949.040019] dev_queue_xmit+0x4b/0x60 [ 949.043799] neigh_direct_output+0x42/0x50 [ 949.048011] ip_finish_output2+0x1354/0x1480 [ 949.052396] ip_finish_output+0xcbc/0x1000 [ 949.056607] ip_output+0x505/0x5d0 [ 949.060125] ip_queue_xmit+0x1b0f/0x1d00 [ 949.064166] tcp_transmit_skb+0x3db5/0x5350 [ 949.068479] tcp_write_xmit+0x2d81/0xb200 [ 949.072605] tcp_send_fin+0x1722/0x1e80 [ 949.076564] tcp_close+0x1758/0x18f0 [ 949.080262] inet_release+0x249/0x2b0 [ 949.084039] sock_close+0xeb/0x310 [ 949.087573] __fput+0x458/0xa30 [ 949.090839] ____fput+0x37/0x40 [ 949.094109] task_work_run+0x22e/0x2b0 [ 949.097985] do_exit+0x110e/0x3930 [ 949.101513] do_group_exit+0x1a0/0x360 [ 949.105398] get_signal+0x1405/0x1ec0 [ 949.109177] do_signal+0xb8/0x1d20 [ 949.112708] prepare_exit_to_usermode+0x271/0x3a0 [ 949.117532] syscall_return_slowpath+0xe9/0x710 [ 949.122180] do_syscall_64+0x1ad/0x230 [ 949.126061] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 949.131233] [ 949.132834] Uninit was stored to memory at: [ 949.137142] kmsan_internal_chain_origin+0x12b/0x210 [ 949.142226] __msan_chain_origin+0x69/0xc0 [ 949.146446] __skb_clone+0x8a2/0x990 [ 949.150148] skb_clone+0x3e8/0x590 [ 949.153680] tcp_transmit_skb+0x3e4/0x5350 [ 949.157917] tcp_write_xmit+0x2d81/0xb200 [ 949.162073] tcp_send_fin+0x1722/0x1e80 [ 949.166041] tcp_close+0x1758/0x18f0 [ 949.169749] inet_release+0x249/0x2b0 [ 949.173535] sock_close+0xeb/0x310 [ 949.177060] __fput+0x458/0xa30 [ 949.180330] ____fput+0x37/0x40 [ 949.183592] task_work_run+0x22e/0x2b0 [ 949.187460] do_exit+0x110e/0x3930 [ 949.190982] do_group_exit+0x1a0/0x360 [ 949.194846] get_signal+0x1405/0x1ec0 [ 949.198623] do_signal+0xb8/0x1d20 [ 949.202148] prepare_exit_to_usermode+0x271/0x3a0 [ 949.206985] syscall_return_slowpath+0xe9/0x710 [ 949.211630] do_syscall_64+0x1ad/0x230 [ 949.215504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 949.220684] [ 949.222306] Uninit was stored to memory at: [ 949.226610] kmsan_internal_chain_origin+0x12b/0x210 [ 949.231696] __msan_chain_origin+0x69/0xc0 [ 949.235906] __alloc_skb+0x949/0x9e0 [ 949.239597] tcp_send_fin+0x4dc/0x1e80 [ 949.243460] tcp_close+0x1758/0x18f0 [ 949.247161] inet_release+0x249/0x2b0 [ 949.250951] sock_close+0xeb/0x310 [ 949.254475] __fput+0x458/0xa30 [ 949.257744] ____fput+0x37/0x40 [ 949.261008] task_work_run+0x22e/0x2b0 [ 949.264875] do_exit+0x110e/0x3930 [ 949.268390] do_group_exit+0x1a0/0x360 [ 949.272253] get_signal+0x1405/0x1ec0 [ 949.276030] do_signal+0xb8/0x1d20 [ 949.279559] prepare_exit_to_usermode+0x271/0x3a0 [ 949.284386] syscall_return_slowpath+0xe9/0x710 [ 949.289028] do_syscall_64+0x1ad/0x230 [ 949.292904] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 949.298069] [ 949.299678] Uninit was created at: [ 949.303200] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 949.308282] kmsan_kmalloc+0x94/0x100 [ 949.312066] kmsan_slab_alloc+0x10/0x20 [ 949.316024] kmem_cache_alloc_node+0x8af/0xc80 [ 949.320584] __alloc_skb+0x202/0x9e0 [ 949.324275] tcp_send_fin+0x4dc/0x1e80 [ 949.328138] tcp_close+0x1758/0x18f0 [ 949.331828] inet_release+0x249/0x2b0 [ 949.335604] sock_close+0xeb/0x310 [ 949.339132] __fput+0x458/0xa30 [ 949.342392] ____fput+0x37/0x40 [ 949.345653] task_work_run+0x22e/0x2b0 2018/06/19 09:23:12 executed programs: 3381 [ 949.349520] do_exit+0x110e/0x3930 [ 949.353035] do_group_exit+0x1a0/0x360 [ 949.356902] get_signal+0x1405/0x1ec0 [ 949.360681] do_signal+0xb8/0x1d20 [ 949.364201] prepare_exit_to_usermode+0x271/0x3a0 [ 949.369033] syscall_return_slowpath+0xe9/0x710 [ 949.373680] do_syscall_64+0x1ad/0x230 [ 949.377545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:23:17 executed programs: 3512 [ 955.927175] not chained 190000 origins [ 955.931106] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.17.0+ #9 [ 955.937227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 955.946555] Call Trace: [ 955.949114] [ 955.951248] dump_stack+0x185/0x1d0 [ 955.954860] kmsan_internal_chain_origin+0x1ff/0x210 [ 955.959954] ? ip_tunnel_xmit+0x3422/0x37c0 [ 955.964261] ? kmsan_set_origin_inline+0x6b/0x120 [ 955.969088] ? __msan_poison_alloca+0x15c/0x1d0 [ 955.973739] ? validate_xmit_skb+0xfea/0x1320 [ 955.978215] ? kmsan_set_origin_inline+0x6b/0x120 [ 955.983044] ? __msan_poison_alloca+0x15c/0x1d0 [ 955.987707] ? __dev_queue_xmit+0x2ad2/0x3540 [ 955.992217] __msan_chain_origin+0x69/0xc0 [ 955.996433] dev_hard_start_xmit+0x679/0xc80 [ 956.000831] __dev_queue_xmit+0x2ad2/0x3540 [ 956.005141] dev_queue_xmit+0x4b/0x60 [ 956.008918] neigh_direct_output+0x42/0x50 [ 956.013161] ? neigh_connected_output+0x710/0x710 [ 956.017994] ip_finish_output2+0x1354/0x1480 [ 956.022383] ip_finish_output+0xcbc/0x1000 [ 956.026604] ip_output+0x505/0x5d0 [ 956.030121] ? ip_mc_finish_output+0x3b0/0x3b0 [ 956.034683] ? ip_finish_output+0x1000/0x1000 [ 956.039156] ip_queue_xmit+0x1b0f/0x1d00 [ 956.043203] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 956.048654] ? __skb_clone+0x6ec/0x990 [ 956.052529] ? is_console_locked+0x14/0x50 [ 956.056745] ? ip_output+0x5d0/0x5d0 [ 956.060452] tcp_transmit_skb+0x3db5/0x5350 [ 956.064764] __tcp_retransmit_skb+0x2fd6/0x4100 [ 956.069415] ? is_console_locked+0x14/0x50 [ 956.073641] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 956.078984] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 956.084413] ? bictcp_state+0x1ba/0x2a0 [ 956.088372] tcp_retransmit_skb+0xa6/0x480 [ 956.092601] tcp_retransmit_timer+0x21f9/0x4280 [ 956.097252] tcp_write_timer_handler+0x5c2/0xef0 [ 956.101997] ? call_timer_fn+0x280/0x5d0 [ 956.106044] tcp_write_timer+0x12b/0x280 [ 956.110094] call_timer_fn+0x280/0x5d0 [ 956.113957] ? tcp_init_xmit_timers+0xd0/0xd0 [ 956.118441] __run_timers+0xd96/0x11b0 [ 956.122309] ? tcp_init_xmit_timers+0xd0/0xd0 [ 956.126800] ? irq_exit+0x202/0x240 [ 956.130418] ? run_timer_softirq+0x14/0x70 [ 956.134639] ? timers_dead_cpu+0x1010/0x1010 [ 956.139035] run_timer_softirq+0x43/0x70 [ 956.143092] __do_softirq+0x592/0x979 [ 956.146889] irq_exit+0x202/0x240 [ 956.150335] exiting_irq+0xe/0x10 [ 956.153779] smp_apic_timer_interrupt+0x64/0x90 [ 956.158437] apic_timer_interrupt+0xf/0x20 [ 956.162647] [ 956.164881] RIP: 0010:default_idle+0x20b/0x3e0 [ 956.169446] RSP: 0018:ffff8801d8e5fdf0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 956.177137] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 956.184391] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 956.191647] RBP: ffff8801d8e5fe28 R08: 0000000001080020 R09: 0000000000000002 [ 956.198904] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffff8801d8e5fe8f [ 956.206153] R13: ffff8801d8da57c0 R14: ffff8801d8e5fe8c R15: ffff8801d8da6098 [ 956.213410] ? __cpuidle_text_start+0x8/0x8 [ 956.217711] ? __cpuidle_text_start+0x8/0x8 [ 956.222010] arch_cpu_idle+0x26/0x30 [ 956.225701] do_idle+0x36d/0x830 [ 956.229064] cpu_startup_entry+0x45/0x50 [ 956.233112] ? setup_APIC_timer+0x220/0x220 [ 956.237431] start_secondary+0x3c6/0x490 [ 956.241481] secondary_startup_64+0xa5/0xb0 [ 956.245779] Uninit was stored to memory at: [ 956.250088] kmsan_internal_chain_origin+0x12b/0x210 [ 956.255166] __msan_chain_origin+0x69/0xc0 [ 956.259390] dev_hard_start_xmit+0x679/0xc80 [ 956.263774] __dev_queue_xmit+0x2ad2/0x3540 [ 956.268080] dev_queue_xmit+0x4b/0x60 [ 956.271867] neigh_direct_output+0x42/0x50 [ 956.276089] ip_finish_output2+0x1354/0x1480 [ 956.280476] ip_finish_output+0xcbc/0x1000 [ 956.284770] ip_output+0x505/0x5d0 [ 956.288286] ip_queue_xmit+0x1b0f/0x1d00 [ 956.292328] tcp_transmit_skb+0x3db5/0x5350 [ 956.296627] __tcp_retransmit_skb+0x2fd6/0x4100 [ 956.301271] tcp_retransmit_skb+0xa6/0x480 [ 956.305480] tcp_retransmit_timer+0x21f9/0x4280 [ 956.310124] tcp_write_timer_handler+0x5c2/0xef0 [ 956.314853] tcp_write_timer+0x12b/0x280 [ 956.318890] call_timer_fn+0x280/0x5d0 [ 956.322754] __run_timers+0xd96/0x11b0 [ 956.326618] run_timer_softirq+0x43/0x70 [ 956.330656] __do_softirq+0x592/0x979 [ 956.334435] [ 956.336038] Uninit was stored to memory at: [ 956.340343] kmsan_internal_chain_origin+0x12b/0x210 [ 956.345421] __msan_chain_origin+0x69/0xc0 [ 956.349636] __skb_clone+0x8a2/0x990 [ 956.353336] skb_clone+0x3e8/0x590 [ 956.356852] tcp_transmit_skb+0x3e4/0x5350 [ 956.361074] __tcp_retransmit_skb+0x2fd6/0x4100 [ 956.365727] tcp_retransmit_skb+0xa6/0x480 [ 956.369936] tcp_retransmit_timer+0x21f9/0x4280 [ 956.374578] tcp_write_timer_handler+0x5c2/0xef0 [ 956.379311] tcp_write_timer+0x12b/0x280 [ 956.383348] call_timer_fn+0x280/0x5d0 [ 956.387216] __run_timers+0xd96/0x11b0 [ 956.391087] run_timer_softirq+0x43/0x70 [ 956.395127] __do_softirq+0x592/0x979 [ 956.398898] [ 956.400498] Uninit was stored to memory at: [ 956.404885] kmsan_internal_chain_origin+0x12b/0x210 [ 956.409970] __msan_chain_origin+0x69/0xc0 [ 956.414185] dev_hard_start_xmit+0x679/0xc80 [ 956.418580] __dev_queue_xmit+0x2ad2/0x3540 [ 956.422887] dev_queue_xmit+0x4b/0x60 [ 956.426663] ip_finish_output2+0x12a8/0x1480 [ 956.431047] ip_finish_output+0xcbc/0x1000 [ 956.435268] ip_output+0x505/0x5d0 [ 956.438782] ip_local_out+0x164/0x1d0 [ 956.442558] iptunnel_xmit+0x854/0xdb0 [ 956.446420] ip_tunnel_xmit+0x3422/0x37c0 [ 956.450545] ipip_tunnel_xmit+0x32b/0x4c0 [ 956.454672] dev_hard_start_xmit+0x5f6/0xc80 [ 956.459061] __dev_queue_xmit+0x2ad2/0x3540 [ 956.463368] dev_queue_xmit+0x4b/0x60 [ 956.467145] neigh_direct_output+0x42/0x50 [ 956.471358] ip_finish_output2+0x1354/0x1480 [ 956.475742] ip_finish_output+0xcbc/0x1000 [ 956.479952] ip_output+0x505/0x5d0 [ 956.483465] ip_queue_xmit+0x1b0f/0x1d00 [ 956.487504] tcp_transmit_skb+0x3db5/0x5350 [ 956.491803] tcp_write_xmit+0x2d81/0xb200 [ 956.495927] tcp_send_fin+0x1722/0x1e80 [ 956.499877] tcp_close+0x1758/0x18f0 [ 956.503567] inet_release+0x249/0x2b0 [ 956.507354] sock_close+0xeb/0x310 [ 956.510871] __fput+0x458/0xa30 [ 956.514137] ____fput+0x37/0x40 [ 956.517401] task_work_run+0x22e/0x2b0 [ 956.521271] do_exit+0x110e/0x3930 [ 956.524788] do_group_exit+0x1a0/0x360 [ 956.528651] get_signal+0x1405/0x1ec0 [ 956.532429] do_signal+0xb8/0x1d20 [ 956.535944] prepare_exit_to_usermode+0x271/0x3a0 [ 956.540769] syscall_return_slowpath+0xe9/0x710 [ 956.545425] do_syscall_64+0x1ad/0x230 [ 956.549289] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.554452] [ 956.556056] Uninit was stored to memory at: [ 956.560374] kmsan_internal_chain_origin+0x12b/0x210 [ 956.565455] __msan_chain_origin+0x69/0xc0 [ 956.569669] dev_hard_start_xmit+0x679/0xc80 [ 956.574054] __dev_queue_xmit+0x2ad2/0x3540 [ 956.578362] dev_queue_xmit+0x4b/0x60 [ 956.582141] neigh_direct_output+0x42/0x50 [ 956.586352] ip_finish_output2+0x1354/0x1480 [ 956.590736] ip_finish_output+0xcbc/0x1000 [ 956.594945] ip_output+0x505/0x5d0 [ 956.598458] ip_queue_xmit+0x1b0f/0x1d00 [ 956.602495] tcp_transmit_skb+0x3db5/0x5350 [ 956.606791] tcp_write_xmit+0x2d81/0xb200 [ 956.610924] tcp_send_fin+0x1722/0x1e80 [ 956.614895] tcp_close+0x1758/0x18f0 [ 956.618594] inet_release+0x249/0x2b0 [ 956.622371] sock_close+0xeb/0x310 [ 956.625889] __fput+0x458/0xa30 [ 956.629147] ____fput+0x37/0x40 [ 956.632403] task_work_run+0x22e/0x2b0 [ 956.636269] do_exit+0x110e/0x3930 [ 956.639793] do_group_exit+0x1a0/0x360 [ 956.643668] get_signal+0x1405/0x1ec0 [ 956.647444] do_signal+0xb8/0x1d20 [ 956.650959] prepare_exit_to_usermode+0x271/0x3a0 [ 956.655779] syscall_return_slowpath+0xe9/0x710 [ 956.660421] do_syscall_64+0x1ad/0x230 [ 956.664289] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.669450] [ 956.671050] Uninit was stored to memory at: [ 956.675370] kmsan_internal_chain_origin+0x12b/0x210 [ 956.680455] __msan_chain_origin+0x69/0xc0 [ 956.684667] __skb_clone+0x8a2/0x990 [ 956.688366] skb_clone+0x3e8/0x590 [ 956.691883] tcp_transmit_skb+0x3e4/0x5350 [ 956.696099] tcp_write_xmit+0x2d81/0xb200 [ 956.700224] tcp_send_fin+0x1722/0x1e80 [ 956.704175] tcp_close+0x1758/0x18f0 [ 956.707873] inet_release+0x249/0x2b0 [ 956.711649] sock_close+0xeb/0x310 [ 956.715168] __fput+0x458/0xa30 [ 956.718424] ____fput+0x37/0x40 [ 956.721681] task_work_run+0x22e/0x2b0 [ 956.725544] do_exit+0x110e/0x3930 [ 956.729066] do_group_exit+0x1a0/0x360 [ 956.732938] get_signal+0x1405/0x1ec0 [ 956.736719] do_signal+0xb8/0x1d20 [ 956.740236] prepare_exit_to_usermode+0x271/0x3a0 [ 956.745058] syscall_return_slowpath+0xe9/0x710 [ 956.749710] do_syscall_64+0x1ad/0x230 [ 956.753574] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.758744] [ 956.760348] Uninit was stored to memory at: [ 956.764650] kmsan_internal_chain_origin+0x12b/0x210 [ 956.769729] __msan_chain_origin+0x69/0xc0 [ 956.773949] __skb_clone+0x8a2/0x990 [ 956.777638] skb_clone+0x3e8/0x590 [ 956.781157] tcp_transmit_skb+0x3e4/0x5350 [ 956.785375] tcp_write_xmit+0x2d81/0xb200 [ 956.789506] __tcp_push_pending_frames+0x124/0x400 [ 956.794411] tcp_push+0x803/0x8f0 [ 956.797838] tcp_sendmsg_locked+0x4eb1/0x6610 [ 956.802308] tcp_sendmsg+0xb2/0x100 [ 956.805913] inet_sendmsg+0x3fc/0x760 [ 956.809689] __sys_sendto+0x6c4/0x7e0 [ 956.813465] __x64_sys_sendto+0x1a1/0x210 [ 956.817594] do_syscall_64+0x15b/0x230 [ 956.821464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.826636] [ 956.828236] Uninit was stored to memory at: [ 956.832536] kmsan_internal_chain_origin+0x12b/0x210 [ 956.837615] __msan_chain_origin+0x69/0xc0 [ 956.841827] __alloc_skb+0x949/0x9e0 [ 956.845520] sk_stream_alloc_skb+0x17c/0xcf0 [ 956.849904] tcp_sendmsg_locked+0x237e/0x6610 [ 956.854374] tcp_sendmsg+0xb2/0x100 [ 956.857976] inet_sendmsg+0x3fc/0x760 [ 956.861755] __sys_sendto+0x6c4/0x7e0 [ 956.865534] __x64_sys_sendto+0x1a1/0x210 [ 956.869661] do_syscall_64+0x15b/0x230 [ 956.873525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.878689] [ 956.880296] Uninit was created at: [ 956.883818] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 956.888896] kmsan_kmalloc+0x94/0x100 [ 956.892673] kmsan_slab_alloc+0x10/0x20 [ 956.896623] kmem_cache_alloc_node+0x8af/0xc80 [ 956.901186] __alloc_skb+0x202/0x9e0 [ 956.904881] sk_stream_alloc_skb+0x17c/0xcf0 [ 956.909279] tcp_sendmsg_locked+0x237e/0x6610 [ 956.913754] tcp_sendmsg+0xb2/0x100 [ 956.917357] inet_sendmsg+0x3fc/0x760 [ 956.921142] __sys_sendto+0x6c4/0x7e0 [ 956.924918] __x64_sys_sendto+0x1a1/0x210 [ 956.929039] do_syscall_64+0x15b/0x230 [ 956.932920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:23:22 executed programs: 3615 [ 963.562616] not chained 200000 origins [ 963.566574] CPU: 1 PID: 2268 Comm: udevd Not tainted 4.17.0+ #9 [ 963.572657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 963.582031] Call Trace: [ 963.584608] [ 963.586753] dump_stack+0x185/0x1d0 [ 963.590371] kmsan_internal_chain_origin+0x1ff/0x210 [ 963.595480] ? csum_partial_ext+0x89/0xa0 [ 963.599631] ? __skb_checksum+0xf32/0xfb0 [ 963.603783] ? kmsan_set_origin_inline+0x6b/0x120 [ 963.608621] ? __msan_poison_alloca+0x15c/0x1d0 [ 963.613307] ? validate_xmit_skb+0xfea/0x1320 [ 963.617821] ? kmsan_set_origin_inline+0x6b/0x120 [ 963.622665] ? __msan_poison_alloca+0x15c/0x1d0 [ 963.627324] ? __dev_queue_xmit+0x2ad2/0x3540 [ 963.631811] __msan_chain_origin+0x69/0xc0 [ 963.636047] dev_hard_start_xmit+0x679/0xc80 [ 963.640464] __dev_queue_xmit+0x2ad2/0x3540 [ 963.644800] dev_queue_xmit+0x4b/0x60 [ 963.648599] ip_finish_output2+0x12a8/0x1480 [ 963.653006] ip_finish_output+0xcbc/0x1000 [ 963.657237] ip_output+0x505/0x5d0 [ 963.660785] ? ip_mc_finish_output+0x3b0/0x3b0 [ 963.665361] ? ip_finish_output+0x1000/0x1000 [ 963.669849] ip_local_out+0x164/0x1d0 [ 963.673638] iptunnel_xmit+0x854/0xdb0 [ 963.677514] ip_tunnel_xmit+0x3422/0x37c0 [ 963.681670] ipip_tunnel_xmit+0x32b/0x4c0 [ 963.685827] ? ipip_tunnel_init+0x1d0/0x1d0 [ 963.690166] dev_hard_start_xmit+0x5f6/0xc80 [ 963.694611] __dev_queue_xmit+0x2ad2/0x3540 [ 963.698950] dev_queue_xmit+0x4b/0x60 [ 963.702756] neigh_direct_output+0x42/0x50 [ 963.706982] ? neigh_connected_output+0x710/0x710 [ 963.711816] ip_finish_output2+0x1354/0x1480 [ 963.716233] ip_finish_output+0xcbc/0x1000 [ 963.720470] ip_output+0x505/0x5d0 [ 963.724008] ? ip_mc_finish_output+0x3b0/0x3b0 [ 963.728589] ? ip_finish_output+0x1000/0x1000 [ 963.733077] ip_queue_xmit+0x1b0f/0x1d00 [ 963.737144] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 963.742595] ? __skb_clone+0x6ec/0x990 [ 963.746482] ? ip_output+0x5d0/0x5d0 [ 963.750200] tcp_transmit_skb+0x3db5/0x5350 [ 963.754532] __tcp_retransmit_skb+0x2fd6/0x4100 [ 963.759218] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 963.764671] ? bictcp_state+0x1ba/0x2a0 [ 963.768658] tcp_retransmit_skb+0xa6/0x480 [ 963.772900] tcp_retransmit_timer+0x21f9/0x4280 [ 963.777568] tcp_write_timer_handler+0x5c2/0xef0 [ 963.782321] ? call_timer_fn+0x280/0x5d0 [ 963.786383] tcp_write_timer+0x12b/0x280 [ 963.790436] call_timer_fn+0x280/0x5d0 [ 963.794314] ? tcp_init_xmit_timers+0xd0/0xd0 [ 963.798812] __run_timers+0xd96/0x11b0 [ 963.802695] ? tcp_init_xmit_timers+0xd0/0xd0 [ 963.807220] ? run_timer_softirq+0x14/0x70 [ 963.811461] ? timers_dead_cpu+0x1010/0x1010 [ 963.815873] run_timer_softirq+0x43/0x70 [ 963.819929] __do_softirq+0x592/0x979 [ 963.823721] irq_exit+0x202/0x240 [ 963.827160] exiting_irq+0xe/0x10 [ 963.830613] smp_apic_timer_interrupt+0x64/0x90 [ 963.835282] apic_timer_interrupt+0xf/0x20 [ 963.839508] [ 963.841749] RIP: 0010:kmsan_get_origin_address_noruntime+0x16a/0x260 [ 963.848239] RSP: 0018:ffff8801c92df270 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 963.855944] RAX: 000000000055b89d RBX: 0000000000000000 RCX: ffffea0000000000 [ 963.863205] RDX: 00000000001c92df RSI: 0000000000000000 RDI: ffff8801c92df398 [ 963.870464] RBP: ffff8801c92df2a8 R08: 0000000001080020 R09: 0000000000000002 [ 963.877731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000018 [ 963.884996] R13: 00000000c9600000 R14: ffff8801c92df398 R15: 0000000000000000 [ 963.892277] ? kernel_text_address+0x34d/0x3a0 [ 963.896856] kmsan_set_origin_inline+0x6b/0x120 [ 963.901521] __msan_poison_alloca+0x15c/0x1d0 [ 963.906005] ? vsnprintf+0x224c/0x33c0 [ 963.909888] ? number+0x92/0x1ff0 [ 963.913338] ? vsnprintf+0x224c/0x33c0 [ 963.917222] number+0x92/0x1ff0 [ 963.920502] ? vsnprintf+0x288/0x33c0 [ 963.924300] ? format_decode+0x5b/0x1a50 [ 963.928357] ? vsnprintf+0x288/0x33c0 [ 963.932157] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 963.937598] ? format_decode+0xb79/0x1a50 [ 963.941739] vsnprintf+0x224c/0x33c0 [ 963.945445] add_uevent_var+0x2f3/0x5c0 [ 963.949530] dev_uevent+0x1b3/0xbc0 [ 963.953166] ? dev_uevent_name+0x130/0x130 [ 963.957409] kobject_uevent_env+0xb2e/0x22a0 [ 963.961835] kobject_synth_uevent+0x5a8/0x1830 [ 963.966421] ? kmsan_set_origin_inline+0x6b/0x120 [ 963.971273] uevent_store+0xa6/0x130 [ 963.974985] ? uevent_show+0x6a0/0x6a0 [ 963.978863] dev_attr_store+0x110/0x170 [ 963.982825] ? dev_attr_show+0x210/0x210 [ 963.986936] sysfs_kf_write+0x227/0x2a0 [ 963.990917] ? sysfs_kf_read+0x400/0x400 [ 963.994981] kernfs_fop_write+0x612/0x890 [ 963.999136] ? kernfs_fop_read+0xa20/0xa20 [ 964.003376] __vfs_write+0x1aa/0x9f0 [ 964.007093] ? rcu_all_qs+0x32/0x1f0 [ 964.010803] ? __sb_start_write+0x9f/0x2d0 [ 964.015037] vfs_write+0x467/0x8c0 [ 964.018575] __x64_sys_write+0x1bf/0x3e0 [ 964.022630] ? ksys_write+0x360/0x360 [ 964.026429] do_syscall_64+0x15b/0x230 [ 964.030322] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 964.035507] RIP: 0033:0x7f34b00a8370 [ 964.039215] RSP: 002b:00007ffd9597bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 964.046919] RAX: ffffffffffffffda RBX: 000000000153f090 RCX: 00007f34b00a8370 [ 964.054207] RDX: 0000000000000006 RSI: 000000000041f4f9 RDI: 000000000000000b [ 964.061464] RBP: 0000000001535fd0 R08: 000000000041f4f1 R09: 00007f34b00fe7d0 [ 964.068720] R10: 7269762f73656369 R11: 0000000000000246 R12: 000000000000000b [ 964.075991] R13: 0000000000000000 R14: 000000000153f090 R15: 0000000001526250 [ 964.083274] Uninit was stored to memory at: [ 964.087628] kmsan_internal_chain_origin+0x12b/0x210 [ 964.092731] __msan_chain_origin+0x69/0xc0 [ 964.096959] dev_hard_start_xmit+0x679/0xc80 [ 964.101354] __dev_queue_xmit+0x2ad2/0x3540 [ 964.105685] dev_queue_xmit+0x4b/0x60 [ 964.109474] ip_finish_output2+0x12a8/0x1480 [ 964.113877] ip_finish_output+0xcbc/0x1000 [ 964.118113] ip_output+0x505/0x5d0 [ 964.121650] ip_local_out+0x164/0x1d0 [ 964.125460] iptunnel_xmit+0x854/0xdb0 [ 964.129367] ip_tunnel_xmit+0x3422/0x37c0 [ 964.133506] ipip_tunnel_xmit+0x32b/0x4c0 [ 964.137640] dev_hard_start_xmit+0x5f6/0xc80 [ 964.142029] __dev_queue_xmit+0x2ad2/0x3540 [ 964.146349] dev_queue_xmit+0x4b/0x60 [ 964.150148] neigh_direct_output+0x42/0x50 [ 964.154380] ip_finish_output2+0x1354/0x1480 [ 964.158787] ip_finish_output+0xcbc/0x1000 [ 964.163021] ip_output+0x505/0x5d0 [ 964.166562] ip_queue_xmit+0x1b0f/0x1d00 [ 964.170629] tcp_transmit_skb+0x3db5/0x5350 [ 964.174951] __tcp_retransmit_skb+0x2fd6/0x4100 [ 964.179615] tcp_send_loss_probe+0xc79/0xf10 [ 964.184024] tcp_write_timer_handler+0x726/0xef0 [ 964.188780] tcp_write_timer+0x12b/0x280 [ 964.192844] call_timer_fn+0x280/0x5d0 [ 964.196729] __run_timers+0xd96/0x11b0 [ 964.200614] run_timer_softirq+0x43/0x70 [ 964.204673] __do_softirq+0x592/0x979 [ 964.208456] [ 964.210067] Uninit was stored to memory at: [ 964.214389] kmsan_internal_chain_origin+0x12b/0x210 [ 964.219489] __msan_chain_origin+0x69/0xc0 [ 964.223724] dev_hard_start_xmit+0x679/0xc80 [ 964.228128] __dev_queue_xmit+0x2ad2/0x3540 [ 964.232450] dev_queue_xmit+0x4b/0x60 [ 964.236253] neigh_direct_output+0x42/0x50 [ 964.240487] ip_finish_output2+0x1354/0x1480 [ 964.244894] ip_finish_output+0xcbc/0x1000 [ 964.249123] ip_output+0x505/0x5d0 [ 964.252648] ip_queue_xmit+0x1b0f/0x1d00 [ 964.256697] tcp_transmit_skb+0x3db5/0x5350 [ 964.261003] __tcp_retransmit_skb+0x2fd6/0x4100 [ 964.265667] tcp_send_loss_probe+0xc79/0xf10 [ 964.270071] tcp_write_timer_handler+0x726/0xef0 [ 964.274837] tcp_write_timer+0x12b/0x280 [ 964.278898] call_timer_fn+0x280/0x5d0 [ 964.282783] __run_timers+0xd96/0x11b0 [ 964.286667] run_timer_softirq+0x43/0x70 [ 964.290756] __do_softirq+0x592/0x979 [ 964.294538] [ 964.296148] Uninit was stored to memory at: [ 964.300458] kmsan_internal_chain_origin+0x12b/0x210 [ 964.305556] __msan_chain_origin+0x69/0xc0 [ 964.309787] __skb_clone+0x8a2/0x990 [ 964.313498] skb_clone+0x3e8/0x590 [ 964.317037] tcp_transmit_skb+0x3e4/0x5350 [ 964.321272] __tcp_retransmit_skb+0x2fd6/0x4100 [ 964.325939] tcp_send_loss_probe+0xc79/0xf10 [ 964.330333] tcp_write_timer_handler+0x726/0xef0 [ 964.335082] tcp_write_timer+0x12b/0x280 [ 964.339135] call_timer_fn+0x280/0x5d0 [ 964.343006] __run_timers+0xd96/0x11b0 [ 964.346890] run_timer_softirq+0x43/0x70 [ 964.350942] __do_softirq+0x592/0x979 [ 964.354740] [ 964.356381] Uninit was stored to memory at: [ 964.360712] kmsan_internal_chain_origin+0x12b/0x210 [ 964.365838] __msan_chain_origin+0x69/0xc0 [ 964.370068] dev_hard_start_xmit+0x679/0xc80 [ 964.374466] __dev_queue_xmit+0x2ad2/0x3540 [ 964.378771] dev_queue_xmit+0x4b/0x60 [ 964.382564] ip_finish_output2+0x12a8/0x1480 [ 964.386963] ip_finish_output+0xcbc/0x1000 [ 964.391198] ip_output+0x505/0x5d0 [ 964.394734] ip_local_out+0x164/0x1d0 [ 964.398527] iptunnel_xmit+0x854/0xdb0 [ 964.402410] ip_tunnel_xmit+0x3422/0x37c0 [ 964.406559] ipip_tunnel_xmit+0x32b/0x4c0 [ 964.410701] dev_hard_start_xmit+0x5f6/0xc80 2018/06/19 09:23:27 executed programs: 3745 [ 964.415101] __dev_queue_xmit+0x2ad2/0x3540 [ 964.419408] dev_queue_xmit+0x4b/0x60 [ 964.423209] neigh_direct_output+0x42/0x50 [ 964.427438] ip_finish_output2+0x1354/0x1480 [ 964.431842] ip_finish_output+0xcbc/0x1000 [ 964.436073] ip_output+0x505/0x5d0 [ 964.439608] ip_queue_xmit+0x1b0f/0x1d00 [ 964.443668] tcp_transmit_skb+0x3db5/0x5350 [ 964.448069] tcp_write_xmit+0x2d81/0xb200 [ 964.452216] tcp_send_fin+0x1722/0x1e80 [ 964.456176] tcp_close+0x1758/0x18f0 [ 964.459875] inet_release+0x249/0x2b0 [ 964.463663] sock_close+0xeb/0x310 [ 964.467206] __fput+0x458/0xa30 [ 964.470486] ____fput+0x37/0x40 [ 964.473766] task_work_run+0x22e/0x2b0 [ 964.477655] do_exit+0x110e/0x3930 [ 964.481201] do_group_exit+0x1a0/0x360 [ 964.485088] get_signal+0x1405/0x1ec0 [ 964.488878] do_signal+0xb8/0x1d20 [ 964.492412] prepare_exit_to_usermode+0x271/0x3a0 [ 964.497250] syscall_return_slowpath+0xe9/0x710 [ 964.501930] do_syscall_64+0x1ad/0x230 [ 964.505819] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 964.510992] [ 964.512629] Uninit was stored to memory at: [ 964.516974] kmsan_internal_chain_origin+0x12b/0x210 [ 964.522073] __msan_chain_origin+0x69/0xc0 [ 964.526317] dev_hard_start_xmit+0x679/0xc80 [ 964.530724] __dev_queue_xmit+0x2ad2/0x3540 [ 964.535034] dev_queue_xmit+0x4b/0x60 [ 964.538833] neigh_direct_output+0x42/0x50 [ 964.543067] ip_finish_output2+0x1354/0x1480 [ 964.547474] ip_finish_output+0xcbc/0x1000 [ 964.551708] ip_output+0x505/0x5d0 [ 964.555240] ip_queue_xmit+0x1b0f/0x1d00 [ 964.559296] tcp_transmit_skb+0x3db5/0x5350 [ 964.563611] tcp_write_xmit+0x2d81/0xb200 [ 964.567751] tcp_send_fin+0x1722/0x1e80 [ 964.571721] tcp_close+0x1758/0x18f0 [ 964.575423] inet_release+0x249/0x2b0 [ 964.579214] sock_close+0xeb/0x310 [ 964.582757] __fput+0x458/0xa30 [ 964.586033] ____fput+0x37/0x40 [ 964.589311] task_work_run+0x22e/0x2b0 [ 964.593205] do_exit+0x110e/0x3930 [ 964.596765] do_group_exit+0x1a0/0x360 [ 964.600667] get_signal+0x1405/0x1ec0 [ 964.604466] do_signal+0xb8/0x1d20 [ 964.607999] prepare_exit_to_usermode+0x271/0x3a0 [ 964.612827] syscall_return_slowpath+0xe9/0x710 [ 964.617484] do_syscall_64+0x1ad/0x230 [ 964.621370] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 964.626549] [ 964.628165] Uninit was stored to memory at: [ 964.632496] kmsan_internal_chain_origin+0x12b/0x210 [ 964.637604] __msan_chain_origin+0x69/0xc0 [ 964.641842] __skb_clone+0x8a2/0x990 [ 964.645544] skb_clone+0x3e8/0x590 [ 964.649083] tcp_transmit_skb+0x3e4/0x5350 [ 964.653311] tcp_write_xmit+0x2d81/0xb200 [ 964.657463] tcp_send_fin+0x1722/0x1e80 [ 964.661434] tcp_close+0x1758/0x18f0 [ 964.665142] inet_release+0x249/0x2b0 [ 964.668938] sock_close+0xeb/0x310 [ 964.672479] __fput+0x458/0xa30 [ 964.675768] ____fput+0x37/0x40 [ 964.679048] task_work_run+0x22e/0x2b0 [ 964.682932] do_exit+0x110e/0x3930 [ 964.686464] do_group_exit+0x1a0/0x360 [ 964.690341] get_signal+0x1405/0x1ec0 [ 964.694130] do_signal+0xb8/0x1d20 [ 964.697659] prepare_exit_to_usermode+0x271/0x3a0 [ 964.702484] syscall_return_slowpath+0xe9/0x710 [ 964.707141] do_syscall_64+0x1ad/0x230 [ 964.711028] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 964.716209] [ 964.717828] Uninit was stored to memory at: [ 964.722151] kmsan_internal_chain_origin+0x12b/0x210 [ 964.727245] __msan_chain_origin+0x69/0xc0 [ 964.731478] __alloc_skb+0x949/0x9e0 [ 964.735192] tcp_send_fin+0x4dc/0x1e80 [ 964.739076] tcp_close+0x1758/0x18f0 [ 964.742790] inet_release+0x249/0x2b0 [ 964.746591] sock_close+0xeb/0x310 [ 964.750138] __fput+0x458/0xa30 [ 964.753435] ____fput+0x37/0x40 [ 964.756737] task_work_run+0x22e/0x2b0 [ 964.760644] do_exit+0x110e/0x3930 [ 964.764171] do_group_exit+0x1a0/0x360 [ 964.768055] get_signal+0x1405/0x1ec0 [ 964.771857] do_signal+0xb8/0x1d20 [ 964.775390] prepare_exit_to_usermode+0x271/0x3a0 [ 964.780216] syscall_return_slowpath+0xe9/0x710 [ 964.784874] do_syscall_64+0x1ad/0x230 [ 964.788763] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 964.793942] [ 964.795573] Uninit was created at: [ 964.799137] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 964.804235] kmsan_kmalloc+0x94/0x100 [ 964.808028] kmsan_slab_alloc+0x10/0x20 [ 964.811997] kmem_cache_alloc_node+0x8af/0xc80 [ 964.816570] __alloc_skb+0x202/0x9e0 [ 964.820281] tcp_send_fin+0x4dc/0x1e80 [ 964.824164] tcp_close+0x1758/0x18f0 [ 964.827875] inet_release+0x249/0x2b0 [ 964.831678] sock_close+0xeb/0x310 [ 964.835224] __fput+0x458/0xa30 [ 964.838498] ____fput+0x37/0x40 [ 964.841766] task_work_run+0x22e/0x2b0 [ 964.845643] do_exit+0x110e/0x3930 [ 964.849169] do_group_exit+0x1a0/0x360 [ 964.853040] get_signal+0x1405/0x1ec0 [ 964.856839] do_signal+0xb8/0x1d20 [ 964.860376] prepare_exit_to_usermode+0x271/0x3a0 [ 964.865219] syscall_return_slowpath+0xe9/0x710 [ 964.869879] do_syscall_64+0x1ad/0x230 [ 964.873765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/19 09:23:32 executed programs: 3873 [ 969.494746] random: crng init done [ 970.975759] not chained 210000 origins [ 970.979699] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 970.985823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 970.995179] Call Trace: [ 970.997744] [ 970.999879] dump_stack+0x185/0x1d0 [ 971.003489] kmsan_internal_chain_origin+0x1ff/0x210 [ 971.008575] ? ip_tunnel_xmit+0x3422/0x37c0 [ 971.012874] ? kmsan_set_origin_inline+0x6b/0x120 [ 971.017697] ? __msan_poison_alloca+0x15c/0x1d0 [ 971.022346] ? validate_xmit_skb+0xfea/0x1320 [ 971.026819] ? kmsan_set_origin_inline+0x6b/0x120 [ 971.031646] ? __msan_poison_alloca+0x15c/0x1d0 [ 971.036292] ? __dev_queue_xmit+0x2ad2/0x3540 [ 971.040764] __msan_chain_origin+0x69/0xc0 [ 971.044976] dev_hard_start_xmit+0x679/0xc80 [ 971.049366] __dev_queue_xmit+0x2ad2/0x3540 [ 971.053685] dev_queue_xmit+0x4b/0x60 [ 971.057478] neigh_direct_output+0x42/0x50 [ 971.061696] ? neigh_connected_output+0x710/0x710 [ 971.066515] ip_finish_output2+0x1354/0x1480 [ 971.070903] ip_finish_output+0xcbc/0x1000 [ 971.075118] ip_output+0x505/0x5d0 [ 971.078635] ? ip_mc_finish_output+0x3b0/0x3b0 [ 971.083194] ? ip_finish_output+0x1000/0x1000 [ 971.087665] ip_queue_xmit+0x1b0f/0x1d00 [ 971.091706] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 971.097144] ? __skb_clone+0x6ec/0x990 [ 971.101012] ? ip_output+0x5d0/0x5d0 [ 971.104708] tcp_transmit_skb+0x3db5/0x5350 [ 971.109014] __tcp_retransmit_skb+0x2fd6/0x4100 [ 971.113677] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 971.119115] ? bictcp_state+0x1ba/0x2a0 [ 971.123081] tcp_retransmit_skb+0xa6/0x480 [ 971.127299] tcp_retransmit_timer+0x21f9/0x4280 [ 971.131951] tcp_write_timer_handler+0x5c2/0xef0 [ 971.136693] ? call_timer_fn+0x280/0x5d0 [ 971.140740] tcp_write_timer+0x12b/0x280 [ 971.144791] call_timer_fn+0x280/0x5d0 [ 971.148664] ? tcp_init_xmit_timers+0xd0/0xd0 [ 971.153138] __run_timers+0xd96/0x11b0 [ 971.157011] ? tcp_init_xmit_timers+0xd0/0xd0 [ 971.161498] ? irq_exit+0x202/0x240 [ 971.165104] ? run_timer_softirq+0x14/0x70 [ 971.169316] ? timers_dead_cpu+0x1010/0x1010 [ 971.173721] run_timer_softirq+0x43/0x70 [ 971.177763] __do_softirq+0x592/0x979 [ 971.181554] irq_exit+0x202/0x240 [ 971.184985] exiting_irq+0xe/0x10 [ 971.188415] smp_apic_timer_interrupt+0x64/0x90 [ 971.193068] apic_timer_interrupt+0xf/0x20 [ 971.197281] [ 971.199495] RIP: 0010:default_idle+0x20b/0x3e0 [ 971.204051] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 971.211744] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 971.218991] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 971.226237] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 971.233494] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 971.240741] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 971.247994] ? __cpuidle_text_start+0x8/0x8 [ 971.252294] ? __cpuidle_text_start+0x8/0x8 [ 971.256593] arch_cpu_idle+0x26/0x30 [ 971.260283] do_idle+0x36d/0x830 [ 971.263655] cpu_startup_entry+0x45/0x50 [ 971.267708] rest_init+0x1c1/0x1f0 [ 971.271239] ? hpet_time_init+0xb0/0xe0 [ 971.275190] start_kernel+0x1110/0x1120 [ 971.279140] x86_64_start_kernel+0xe4/0xf0 [ 971.283352] secondary_startup_64+0xa5/0xb0 [ 971.287649] Uninit was stored to memory at: [ 971.291952] kmsan_internal_chain_origin+0x12b/0x210 [ 971.297036] __msan_chain_origin+0x69/0xc0 [ 971.301259] dev_hard_start_xmit+0x679/0xc80 [ 971.305643] __dev_queue_xmit+0x2ad2/0x3540 [ 971.309940] dev_queue_xmit+0x4b/0x60 [ 971.313723] ip_finish_output2+0x12a8/0x1480 [ 971.318117] ip_finish_output+0xcbc/0x1000 [ 971.322336] ip_output+0x505/0x5d0 [ 971.325852] ip_local_out+0x164/0x1d0 [ 971.329633] iptunnel_xmit+0x854/0xdb0 [ 971.333498] ip_tunnel_xmit+0x3422/0x37c0 [ 971.337624] ipip_tunnel_xmit+0x32b/0x4c0 [ 971.341762] dev_hard_start_xmit+0x5f6/0xc80 [ 971.346147] __dev_queue_xmit+0x2ad2/0x3540 [ 971.350453] dev_queue_xmit+0x4b/0x60 [ 971.354242] neigh_direct_output+0x42/0x50 [ 971.358452] ip_finish_output2+0x1354/0x1480 [ 971.362833] ip_finish_output+0xcbc/0x1000 [ 971.367043] ip_output+0x505/0x5d0 [ 971.370563] ip_queue_xmit+0x1b0f/0x1d00 [ 971.374599] tcp_transmit_skb+0x3db5/0x5350 [ 971.378900] __tcp_retransmit_skb+0x2fd6/0x4100 [ 971.383546] tcp_send_loss_probe+0xc79/0xf10 [ 971.387940] tcp_write_timer_handler+0x726/0xef0 [ 971.392683] tcp_write_timer+0x12b/0x280 [ 971.396736] call_timer_fn+0x280/0x5d0 [ 971.400598] __run_timers+0xd96/0x11b0 [ 971.404464] run_timer_softirq+0x43/0x70 [ 971.408503] __do_softirq+0x592/0x979 [ 971.412275] [ 971.413878] Uninit was stored to memory at: [ 971.418182] kmsan_internal_chain_origin+0x12b/0x210 [ 971.423266] __msan_chain_origin+0x69/0xc0 [ 971.427483] dev_hard_start_xmit+0x679/0xc80 [ 971.431866] __dev_queue_xmit+0x2ad2/0x3540 [ 971.436164] dev_queue_xmit+0x4b/0x60 [ 971.440030] neigh_direct_output+0x42/0x50 [ 971.444244] ip_finish_output2+0x1354/0x1480 [ 971.448625] ip_finish_output+0xcbc/0x1000 [ 971.452835] ip_output+0x505/0x5d0 [ 971.456350] ip_queue_xmit+0x1b0f/0x1d00 [ 971.460386] tcp_transmit_skb+0x3db5/0x5350 [ 971.464691] __tcp_retransmit_skb+0x2fd6/0x4100 [ 971.469336] tcp_send_loss_probe+0xc79/0xf10 [ 971.473735] tcp_write_timer_handler+0x726/0xef0 [ 971.478472] tcp_write_timer+0x12b/0x280 [ 971.482511] call_timer_fn+0x280/0x5d0 [ 971.486373] __run_timers+0xd96/0x11b0 [ 971.490237] run_timer_softirq+0x43/0x70 [ 971.494276] __do_softirq+0x592/0x979 [ 971.498047] [ 971.499655] Uninit was stored to memory at: [ 971.503954] kmsan_internal_chain_origin+0x12b/0x210 [ 971.509033] __msan_chain_origin+0x69/0xc0 [ 971.513248] __skb_clone+0x8a2/0x990 [ 971.516941] skb_clone+0x3e8/0x590 [ 971.520459] tcp_transmit_skb+0x3e4/0x5350 [ 971.524668] __tcp_retransmit_skb+0x2fd6/0x4100 [ 971.529313] tcp_send_loss_probe+0xc79/0xf10 [ 971.533700] tcp_write_timer_handler+0x726/0xef0 [ 971.538431] tcp_write_timer+0x12b/0x280 [ 971.542468] call_timer_fn+0x280/0x5d0 [ 971.546342] __run_timers+0xd96/0x11b0 [ 971.550215] run_timer_softirq+0x43/0x70 [ 971.554253] __do_softirq+0x592/0x979 [ 971.558023] [ 971.559625] Uninit was stored to memory at: [ 971.563929] kmsan_internal_chain_origin+0x12b/0x210 [ 971.569006] __msan_chain_origin+0x69/0xc0 [ 971.573218] dev_hard_start_xmit+0x679/0xc80 [ 971.577601] __dev_queue_xmit+0x2ad2/0x3540 [ 971.581905] dev_queue_xmit+0x4b/0x60 [ 971.585694] ip_finish_output2+0x12a8/0x1480 [ 971.590083] ip_finish_output+0xcbc/0x1000 [ 971.594296] ip_output+0x505/0x5d0 [ 971.597813] ip_local_out+0x164/0x1d0 [ 971.601602] iptunnel_xmit+0x854/0xdb0 [ 971.605463] ip_tunnel_xmit+0x3422/0x37c0 [ 971.609585] ipip_tunnel_xmit+0x32b/0x4c0 [ 971.613720] dev_hard_start_xmit+0x5f6/0xc80 [ 971.618102] __dev_queue_xmit+0x2ad2/0x3540 [ 971.622399] dev_queue_xmit+0x4b/0x60 [ 971.626178] neigh_direct_output+0x42/0x50 [ 971.630391] ip_finish_output2+0x1354/0x1480 [ 971.634775] ip_finish_output+0xcbc/0x1000 [ 971.638984] ip_output+0x505/0x5d0 [ 971.642822] ip_queue_xmit+0x1b0f/0x1d00 [ 971.646860] tcp_transmit_skb+0x3db5/0x5350 [ 971.651156] tcp_write_xmit+0x2d81/0xb200 [ 971.655281] tcp_send_fin+0x1722/0x1e80 [ 971.659235] tcp_close+0x1758/0x18f0 [ 971.662925] inet_release+0x249/0x2b0 [ 971.666705] sock_close+0xeb/0x310 [ 971.670221] __fput+0x458/0xa30 [ 971.673477] ____fput+0x37/0x40 [ 971.676732] task_work_run+0x22e/0x2b0 [ 971.680597] do_exit+0x110e/0x3930 [ 971.684113] do_group_exit+0x1a0/0x360 [ 971.687980] get_signal+0x1405/0x1ec0 [ 971.691756] do_signal+0xb8/0x1d20 [ 971.695274] prepare_exit_to_usermode+0x271/0x3a0 [ 971.700095] syscall_return_slowpath+0xe9/0x710 [ 971.704737] do_syscall_64+0x1ad/0x230 [ 971.708602] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 971.713763] [ 971.715366] Uninit was stored to memory at: [ 971.719673] kmsan_internal_chain_origin+0x12b/0x210 [ 971.724755] __msan_chain_origin+0x69/0xc0 [ 971.728966] dev_hard_start_xmit+0x679/0xc80 [ 971.733349] __dev_queue_xmit+0x2ad2/0x3540 [ 971.737648] dev_queue_xmit+0x4b/0x60 [ 971.741425] neigh_direct_output+0x42/0x50 [ 971.745636] ip_finish_output2+0x1354/0x1480 [ 971.750038] ip_finish_output+0xcbc/0x1000 [ 971.754260] ip_output+0x505/0x5d0 [ 971.757778] ip_queue_xmit+0x1b0f/0x1d00 [ 971.761815] tcp_transmit_skb+0x3db5/0x5350 [ 971.766112] tcp_write_xmit+0x2d81/0xb200 [ 971.770235] tcp_send_fin+0x1722/0x1e80 [ 971.774191] tcp_close+0x1758/0x18f0 [ 971.777888] inet_release+0x249/0x2b0 [ 971.781667] sock_close+0xeb/0x310 [ 971.785187] __fput+0x458/0xa30 [ 971.788443] ____fput+0x37/0x40 [ 971.791703] task_work_run+0x22e/0x2b0 [ 971.795567] do_exit+0x110e/0x3930 [ 971.799089] do_group_exit+0x1a0/0x360 [ 971.802954] get_signal+0x1405/0x1ec0 [ 971.806731] do_signal+0xb8/0x1d20 [ 971.810256] prepare_exit_to_usermode+0x271/0x3a0 [ 971.815084] syscall_return_slowpath+0xe9/0x710 [ 971.819734] do_syscall_64+0x1ad/0x230 [ 971.823604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 971.828774] [ 971.830376] Uninit was stored to memory at: [ 971.834676] kmsan_internal_chain_origin+0x12b/0x210 [ 971.839761] __msan_chain_origin+0x69/0xc0 [ 971.843981] __skb_clone+0x8a2/0x990 [ 971.847673] skb_clone+0x3e8/0x590 [ 971.851193] tcp_transmit_skb+0x3e4/0x5350 [ 971.855404] tcp_write_xmit+0x2d81/0xb200 [ 971.859530] tcp_send_fin+0x1722/0x1e80 [ 971.863482] tcp_close+0x1758/0x18f0 [ 971.867169] inet_release+0x249/0x2b0 [ 971.870951] sock_close+0xeb/0x310 [ 971.874469] __fput+0x458/0xa30 [ 971.877722] ____fput+0x37/0x40 [ 971.880976] task_work_run+0x22e/0x2b0 [ 971.884842] do_exit+0x110e/0x3930 [ 971.888359] do_group_exit+0x1a0/0x360 [ 971.892223] get_signal+0x1405/0x1ec0 [ 971.896001] do_signal+0xb8/0x1d20 [ 971.899515] prepare_exit_to_usermode+0x271/0x3a0 [ 971.904334] syscall_return_slowpath+0xe9/0x710 [ 971.908978] do_syscall_64+0x1ad/0x230 [ 971.912850] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 971.918011] [ 971.919611] Uninit was stored to memory at: [ 971.923911] kmsan_internal_chain_origin+0x12b/0x210 [ 971.928997] __msan_chain_origin+0x69/0xc0 [ 971.933210] __alloc_skb+0x949/0x9e0 [ 971.936902] tcp_send_fin+0x4dc/0x1e80 [ 971.940763] tcp_close+0x1758/0x18f0 [ 971.944455] inet_release+0x249/0x2b0 [ 971.948235] sock_close+0xeb/0x310 [ 971.951757] __fput+0x458/0xa30 [ 971.955013] ____fput+0x37/0x40 [ 971.958269] task_work_run+0x22e/0x2b0 [ 971.962130] do_exit+0x110e/0x3930 [ 971.965645] do_group_exit+0x1a0/0x360 [ 971.969507] get_signal+0x1405/0x1ec0 [ 971.973283] do_signal+0xb8/0x1d20 [ 971.976799] prepare_exit_to_usermode+0x271/0x3a0 [ 971.981614] syscall_return_slowpath+0xe9/0x710 [ 971.986255] do_syscall_64+0x1ad/0x230 [ 971.990120] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 971.995281] [ 971.996907] Uninit was created at: [ 972.000428] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 972.005507] kmsan_kmalloc+0x94/0x100 [ 972.009284] kmsan_slab_alloc+0x10/0x20 [ 972.013234] kmem_cache_alloc_node+0x8af/0xc80 [ 972.017792] __alloc_skb+0x202/0x9e0 [ 972.021482] tcp_send_fin+0x4dc/0x1e80 [ 972.025343] tcp_close+0x1758/0x18f0 [ 972.029028] inet_release+0x249/0x2b0 [ 972.032804] sock_close+0xeb/0x310 [ 972.036322] __fput+0x458/0xa30 [ 972.039576] ____fput+0x37/0x40 [ 972.042831] task_work_run+0x22e/0x2b0 [ 972.046696] do_exit+0x110e/0x3930 [ 972.050235] do_group_exit+0x1a0/0x360 [ 972.054098] get_signal+0x1405/0x1ec0 [ 972.057872] do_signal+0xb8/0x1d20 [ 972.061387] prepare_exit_to_usermode+0x271/0x3a0 [ 972.066204] syscall_return_slowpath+0xe9/0x710 [ 972.071107] do_syscall_64+0x1ad/0x230 [ 972.074969] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 972.136441] ================================================================== [ 972.143855] BUG: KMSAN: uninit-value in inet_gro_receive+0x166c/0x1950 [ 972.150522] CPU: 0 PID: 8 Comm: ksoftirqd/0 Not tainted 4.17.0+ #9 [ 972.156833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 972.166178] Call Trace: [ 972.168767] dump_stack+0x185/0x1d0 [ 972.172403] kmsan_report+0x188/0x2a0 [ 972.176206] __msan_warning_32+0x70/0xc0 [ 972.180267] inet_gro_receive+0x166c/0x1950 [ 972.184580] ? ip_rcv+0x16a0/0x16a0 [ 972.188197] ? inet_gso_segment+0x1c10/0x1c10 [ 972.192701] dev_gro_receive+0x214c/0x32e0 [ 972.196940] ? kmsan_set_origin_inline+0x6b/0x120 [ 972.201786] napi_gro_receive+0x624/0xb60 [ 972.206008] gro_cell_poll+0x28e/0x410 [ 972.209899] ? gro_cells_init+0x500/0x500 [ 972.214050] net_rx_action+0x766/0x1a80 [ 972.218031] ? net_tx_action+0xad0/0xad0 [ 972.222099] __do_softirq+0x592/0x979 [ 972.225906] ? ksoftirqd_should_run+0x30/0x30 [ 972.230401] run_ksoftirqd+0x1f/0x40 [ 972.234114] smpboot_thread_fn+0x4ac/0x9a0 [ 972.238351] kthread+0x4db/0x6c0 [ 972.241709] ? cpu_report_death+0x1f0/0x1f0 [ 972.246016] ? kthread_blkcg+0xf0/0xf0 [ 972.249898] ret_from_fork+0x35/0x40 [ 972.253604] [ 972.255220] Uninit was stored to memory at: [ 972.259543] kmsan_internal_chain_origin+0x12b/0x210 [ 972.264649] kmsan_memcpy_origins+0x11d/0x170 [ 972.269144] __msan_memcpy+0x109/0x160 [ 972.273034] pskb_expand_head+0x3a6/0x1a70 [ 972.277259] ip_tunnel_xmit+0x3117/0x37c0 [ 972.281400] ipip_tunnel_xmit+0x32b/0x4c0 [ 972.285556] dev_hard_start_xmit+0x5f6/0xc80 [ 972.289972] __dev_queue_xmit+0x2ad2/0x3540 [ 972.294295] dev_queue_xmit+0x4b/0x60 [ 972.298090] neigh_direct_output+0x42/0x50 [ 972.302319] ip_finish_output2+0x1354/0x1480 [ 972.306729] ip_finish_output+0xcbc/0x1000 [ 972.310963] ip_output+0x505/0x5d0 [ 972.314500] ip_queue_xmit+0x1b0f/0x1d00 [ 972.318562] tcp_transmit_skb+0x3db5/0x5350 [ 972.322884] __tcp_retransmit_skb+0x2fd6/0x4100 [ 972.327556] tcp_send_loss_probe+0xc79/0xf10 [ 972.331966] tcp_write_timer_handler+0x726/0xef0 [ 972.336722] tcp_write_timer+0x12b/0x280 [ 972.340793] call_timer_fn+0x280/0x5d0 [ 972.344698] __run_timers+0xd96/0x11b0 [ 972.348589] run_timer_softirq+0x43/0x70 [ 972.352656] __do_softirq+0x592/0x979 [ 972.356448] [ 972.358067] Uninit was stored to memory at: [ 972.362385] kmsan_internal_chain_origin+0x12b/0x210 [ 972.367482] kmsan_memcpy_origins+0x11d/0x170 [ 972.371976] __msan_memcpy+0x109/0x160 [ 972.375867] pskb_expand_head+0x3a6/0x1a70 [ 972.380106] __tcp_retransmit_skb+0xfdb/0x4100 [ 972.384698] tcp_send_loss_probe+0xc79/0xf10 [ 972.389107] tcp_write_timer_handler+0x726/0xef0 [ 972.393865] tcp_write_timer+0x12b/0x280 [ 972.397931] call_timer_fn+0x280/0x5d0 [ 972.401819] __run_timers+0xd96/0x11b0 [ 972.405711] run_timer_softirq+0x43/0x70 [ 972.409776] __do_softirq+0x592/0x979 [ 972.413554] [ 972.415160] Uninit was created at: [ 972.418709] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 972.423814] kmsan_kmalloc+0x94/0x100 [ 972.427608] kmsan_slab_alloc+0x10/0x20 [ 972.431585] __kmalloc_node_track_caller+0xb35/0x11b0 [ 972.436779] __alloc_skb+0x2cb/0x9e0 [ 972.440496] sk_stream_alloc_skb+0x17c/0xcf0 [ 972.444904] tcp_fragment+0x425/0x20e0 [ 972.448807] tcp_write_wakeup+0x1505/0x1ea0 [ 972.453128] tcp_send_probe0+0x7c/0x680 [ 972.457099] tcp_write_timer_handler+0xe76/0xef0 [ 972.461849] tcp_write_timer+0x12b/0x280 [ 972.465923] call_timer_fn+0x280/0x5d0 [ 972.469816] __run_timers+0xd96/0x11b0 [ 972.473712] run_timer_softirq+0x43/0x70 [ 972.477773] __do_softirq+0x592/0x979 [ 972.481558] ================================================================== [ 972.488902] Disabling lock debugging due to kernel taint [ 972.494350] Kernel panic - not syncing: panic_on_warn set ... [ 972.494350] [ 972.501724] CPU: 0 PID: 8 Comm: ksoftirqd/0 Tainted: G B 4.17.0+ #9 [ 972.509426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 972.518780] Call Trace: [ 972.521376] dump_stack+0x185/0x1d0 [ 972.525010] panic+0x3d0/0x990 [ 972.528216] kmsan_report+0x29e/0x2a0 [ 972.532017] __msan_warning_32+0x70/0xc0 [ 972.536074] inet_gro_receive+0x166c/0x1950 [ 972.540398] ? ip_rcv+0x16a0/0x16a0 [ 972.544032] ? inet_gso_segment+0x1c10/0x1c10 [ 972.548522] dev_gro_receive+0x214c/0x32e0 [ 972.552763] ? kmsan_set_origin_inline+0x6b/0x120 [ 972.557611] napi_gro_receive+0x624/0xb60 [ 972.561768] gro_cell_poll+0x28e/0x410 [ 972.565661] ? gro_cells_init+0x500/0x500 [ 972.569812] net_rx_action+0x766/0x1a80 [ 972.573794] ? net_tx_action+0xad0/0xad0 [ 972.577864] __do_softirq+0x592/0x979 [ 972.581672] ? ksoftirqd_should_run+0x30/0x30 [ 972.586172] run_ksoftirqd+0x1f/0x40 [ 972.589885] smpboot_thread_fn+0x4ac/0x9a0 [ 972.594120] kthread+0x4db/0x6c0 [ 972.597477] ? cpu_report_death+0x1f0/0x1f0 [ 972.601797] ? kthread_blkcg+0xf0/0xf0 [ 972.605692] ret_from_fork+0x35/0x40 [ 972.609872] Dumping ftrace buffer: [ 972.613390] (ftrace buffer empty) [ 972.617074] Kernel Offset: disabled [ 972.620739] Rebooting in 86400 seconds..