[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 29.608692] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.694631] random: sshd: uninitialized urandom read (32 bytes read) [ 34.264566] random: sshd: uninitialized urandom read (32 bytes read) [ 35.396825] random: sshd: uninitialized urandom read (32 bytes read) [ 35.605417] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. [ 41.168519] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/27 03:12:15 parsed 1 programs [ 42.520246] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/27 03:12:17 executed programs: 0 [ 43.708959] IPVS: ftp: loaded support on port[0] = 21 [ 43.931054] ip (4516) used greatest stack depth: 54328 bytes left [ 43.978248] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.984648] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.992093] device bridge_slave_0 entered promiscuous mode [ 44.012969] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.019371] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.026713] device bridge_slave_1 entered promiscuous mode [ 44.046989] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.067851] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.124689] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.147966] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.234628] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.241843] team0: Port device team_slave_0 added [ 44.261777] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.269074] team0: Port device team_slave_1 added [ 44.289404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.307314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.325376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.343138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.521280] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.527673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.534425] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.540813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.177561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.241907] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.305499] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.311730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.319790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.379625] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.422852] syz-executor0 (5118) used greatest stack depth: 53216 bytes left 2018/06/27 03:12:22 executed programs: 106 [ 52.833750] not chained 10000 origins [ 52.837595] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 52.843729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.853068] Call Trace: [ 52.855656] [ 52.857790] dump_stack+0x185/0x1d0 [ 52.861416] kmsan_internal_chain_origin+0x1ff/0x210 [ 52.866514] ? __local_bh_enable_ip+0x3b/0x140 [ 52.871096] ? ip_finish_output2+0x136a/0x1480 [ 52.875674] ? ip_finish_output+0xcbc/0x1000 [ 52.880079] ? kmsan_memcpy_origins+0xf1/0x170 [ 52.884652] ? __copy_skb_header+0x784/0x830 [ 52.889053] __msan_chain_origin+0x69/0xc0 [ 52.893288] __skb_clone+0x8a2/0x990 [ 52.897009] skb_clone+0x3e8/0x590 [ 52.900554] tcp_transmit_skb+0x3e4/0x5350 [ 52.904786] ? kmsan_set_origin_inline+0x6b/0x120 [ 52.909619] ? tcp_v4_md5_lookup+0x44/0x420 [ 52.913941] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 52.919289] __tcp_retransmit_skb+0x2fd6/0x4100 [ 52.923939] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 52.929373] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 52.934803] ? bictcp_state+0x1ba/0x2a0 [ 52.938761] tcp_retransmit_skb+0xa6/0x480 [ 52.942976] tcp_retransmit_timer+0x21f9/0x4280 [ 52.947650] tcp_write_timer_handler+0x5c2/0xef0 [ 52.952406] ? call_timer_fn+0x280/0x5d0 [ 52.956469] tcp_write_timer+0x12b/0x280 [ 52.960527] call_timer_fn+0x280/0x5d0 [ 52.964404] ? tcp_init_xmit_timers+0xd0/0xd0 [ 52.968895] __run_timers+0xd96/0x11b0 [ 52.972764] ? tcp_init_xmit_timers+0xd0/0xd0 [ 52.977240] ? irq_exit+0x202/0x240 [ 52.980849] ? run_timer_softirq+0x14/0x70 [ 52.985151] ? timers_dead_cpu+0x1010/0x1010 [ 52.989543] run_timer_softirq+0x43/0x70 [ 52.993586] __do_softirq+0x592/0x979 [ 52.997370] irq_exit+0x202/0x240 [ 53.000817] exiting_irq+0xe/0x10 [ 53.004265] smp_apic_timer_interrupt+0x64/0x90 [ 53.008924] apic_timer_interrupt+0xf/0x20 [ 53.013134] [ 53.015362] RIP: 0010:default_idle+0x20b/0x3e0 [ 53.019920] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 53.027611] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 53.034863] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 53.042126] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 53.049378] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 53.056627] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 53.063898] ? __cpuidle_text_start+0x8/0x8 [ 53.068216] ? __cpuidle_text_start+0x8/0x8 [ 53.072519] arch_cpu_idle+0x26/0x30 [ 53.076224] do_idle+0x36d/0x830 [ 53.079574] cpu_startup_entry+0x45/0x50 [ 53.083617] rest_init+0x1c1/0x1f0 [ 53.087143] ? hpet_time_init+0xb0/0xe0 [ 53.091138] start_kernel+0x1110/0x1120 [ 53.095116] x86_64_start_kernel+0xe4/0xf0 [ 53.099353] secondary_startup_64+0xa5/0xb0 [ 53.103662] Uninit was stored to memory at: [ 53.107976] kmsan_internal_chain_origin+0x12b/0x210 [ 53.113063] __msan_chain_origin+0x69/0xc0 [ 53.117292] dev_hard_start_xmit+0x679/0xc80 [ 53.121685] __dev_queue_xmit+0x2ad2/0x3540 [ 53.125997] dev_queue_xmit+0x4b/0x60 [ 53.129784] neigh_direct_output+0x42/0x50 [ 53.134036] ip_finish_output2+0x1354/0x1480 [ 53.138436] ip_finish_output+0xcbc/0x1000 [ 53.142659] ip_output+0x505/0x5d0 [ 53.146179] ip_queue_xmit+0x1b0f/0x1d00 [ 53.150228] tcp_transmit_skb+0x3db5/0x5350 [ 53.154540] __tcp_retransmit_skb+0x2fd6/0x4100 [ 53.159213] tcp_retransmit_skb+0xa6/0x480 [ 53.163433] tcp_retransmit_timer+0x21f9/0x4280 [ 53.168089] tcp_write_timer_handler+0x5c2/0xef0 [ 53.172829] tcp_write_timer+0x12b/0x280 [ 53.176870] call_timer_fn+0x280/0x5d0 [ 53.180735] __run_timers+0xd96/0x11b0 [ 53.184603] run_timer_softirq+0x43/0x70 [ 53.188645] __do_softirq+0x592/0x979 [ 53.192420] [ 53.194025] Uninit was stored to memory at: [ 53.198338] kmsan_internal_chain_origin+0x12b/0x210 [ 53.203420] __msan_chain_origin+0x69/0xc0 [ 53.207633] __skb_clone+0x8a2/0x990 [ 53.211336] skb_clone+0x3e8/0x590 [ 53.214857] tcp_transmit_skb+0x3e4/0x5350 [ 53.219080] __tcp_retransmit_skb+0x2fd6/0x4100 [ 53.223728] tcp_retransmit_skb+0xa6/0x480 [ 53.227941] tcp_retransmit_timer+0x21f9/0x4280 [ 53.232590] tcp_write_timer_handler+0x5c2/0xef0 [ 53.237323] tcp_write_timer+0x12b/0x280 [ 53.241367] call_timer_fn+0x280/0x5d0 [ 53.245236] __run_timers+0xd96/0x11b0 [ 53.249125] run_timer_softirq+0x43/0x70 [ 53.253173] __do_softirq+0x592/0x979 [ 53.256951] [ 53.258554] Uninit was stored to memory at: [ 53.262857] kmsan_internal_chain_origin+0x12b/0x210 [ 53.267942] __msan_chain_origin+0x69/0xc0 [ 53.272167] __skb_clone+0x95b/0x990 [ 53.275870] skb_clone+0x3e8/0x590 [ 53.279394] __skb_tstamp_tx+0x394/0x1100 [ 53.283532] skb_tstamp_tx+0x9c/0xc0 [ 53.287228] loopback_xmit+0x112/0x730 [ 53.291102] dev_hard_start_xmit+0x5f6/0xc80 [ 53.295510] __dev_queue_xmit+0x2ad2/0x3540 [ 53.299812] dev_queue_xmit+0x4b/0x60 [ 53.303591] ip_finish_output2+0x12a8/0x1480 [ 53.307994] ip_finish_output+0xcbc/0x1000 [ 53.312212] ip_output+0x505/0x5d0 [ 53.315736] ip_local_out+0x164/0x1d0 [ 53.319522] iptunnel_xmit+0x854/0xdb0 [ 53.323387] ip_tunnel_xmit+0x3422/0x37c0 [ 53.327513] ipip_tunnel_xmit+0x32b/0x4c0 [ 53.331649] dev_hard_start_xmit+0x5f6/0xc80 [ 53.336044] __dev_queue_xmit+0x2ad2/0x3540 [ 53.340355] dev_queue_xmit+0x4b/0x60 [ 53.344145] neigh_direct_output+0x42/0x50 [ 53.348387] ip_finish_output2+0x1354/0x1480 [ 53.352792] ip_finish_output+0xcbc/0x1000 [ 53.357021] ip_output+0x505/0x5d0 [ 53.360547] ip_queue_xmit+0x1b0f/0x1d00 [ 53.364588] tcp_transmit_skb+0x3db5/0x5350 [ 53.368908] tcp_write_xmit+0x2d81/0xb200 [ 53.373045] __tcp_push_pending_frames+0x124/0x400 [ 53.377965] tcp_push+0x803/0x8f0 [ 53.381407] tcp_sendmsg_locked+0x4eb1/0x6610 [ 53.385883] tcp_sendmsg+0xb2/0x100 [ 53.389488] inet_sendmsg+0x3fc/0x760 [ 53.393267] sock_write_iter+0x3bc/0x470 [ 53.397308] __vfs_write+0x808/0x9f0 [ 53.400999] vfs_write+0x467/0x8c0 [ 53.404526] __x64_sys_write+0x1bf/0x3e0 [ 53.408575] do_syscall_64+0x15b/0x230 [ 53.412451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.417613] [ 53.419216] Uninit was stored to memory at: [ 53.423529] kmsan_internal_chain_origin+0x12b/0x210 [ 53.428636] __msan_chain_origin+0x69/0xc0 [ 53.432876] dev_hard_start_xmit+0x679/0xc80 [ 53.437261] __dev_queue_xmit+0x2ad2/0x3540 [ 53.441561] dev_queue_xmit+0x4b/0x60 [ 53.445340] ip_finish_output2+0x12a8/0x1480 [ 53.449747] ip_finish_output+0xcbc/0x1000 [ 53.453961] ip_output+0x505/0x5d0 [ 53.457489] ip_local_out+0x164/0x1d0 [ 53.461275] iptunnel_xmit+0x854/0xdb0 [ 53.465147] ip_tunnel_xmit+0x3422/0x37c0 [ 53.469273] ipip_tunnel_xmit+0x32b/0x4c0 [ 53.473410] dev_hard_start_xmit+0x5f6/0xc80 [ 53.477806] __dev_queue_xmit+0x2ad2/0x3540 [ 53.482112] dev_queue_xmit+0x4b/0x60 [ 53.485896] neigh_direct_output+0x42/0x50 [ 53.490111] ip_finish_output2+0x1354/0x1480 [ 53.494500] ip_finish_output+0xcbc/0x1000 [ 53.498713] ip_output+0x505/0x5d0 [ 53.502241] ip_queue_xmit+0x1b0f/0x1d00 [ 53.506283] tcp_transmit_skb+0x3db5/0x5350 [ 53.510585] tcp_write_xmit+0x2d81/0xb200 [ 53.514712] __tcp_push_pending_frames+0x124/0x400 [ 53.519619] tcp_push+0x803/0x8f0 [ 53.523057] tcp_sendmsg_locked+0x4eb1/0x6610 [ 53.527626] tcp_sendmsg+0xb2/0x100 [ 53.531232] inet_sendmsg+0x3fc/0x760 [ 53.535016] sock_write_iter+0x3bc/0x470 [ 53.539086] __vfs_write+0x808/0x9f0 [ 53.542784] vfs_write+0x467/0x8c0 [ 53.546302] __x64_sys_write+0x1bf/0x3e0 [ 53.550343] do_syscall_64+0x15b/0x230 [ 53.554213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.559374] [ 53.560978] Uninit was stored to memory at: [ 53.565297] kmsan_internal_chain_origin+0x12b/0x210 [ 53.570380] __msan_chain_origin+0x69/0xc0 [ 53.574605] dev_hard_start_xmit+0x679/0xc80 [ 53.578999] __dev_queue_xmit+0x2ad2/0x3540 [ 53.583315] dev_queue_xmit+0x4b/0x60 [ 53.587095] neigh_direct_output+0x42/0x50 [ 53.591318] ip_finish_output2+0x1354/0x1480 [ 53.595719] ip_finish_output+0xcbc/0x1000 [ 53.599948] ip_output+0x505/0x5d0 [ 53.603488] ip_queue_xmit+0x1b0f/0x1d00 [ 53.607532] tcp_transmit_skb+0x3db5/0x5350 [ 53.611834] tcp_write_xmit+0x2d81/0xb200 [ 53.615962] __tcp_push_pending_frames+0x124/0x400 [ 53.620881] tcp_push+0x803/0x8f0 [ 53.624314] tcp_sendmsg_locked+0x4eb1/0x6610 [ 53.628786] tcp_sendmsg+0xb2/0x100 [ 53.632393] inet_sendmsg+0x3fc/0x760 [ 53.636171] sock_write_iter+0x3bc/0x470 [ 53.640214] __vfs_write+0x808/0x9f0 [ 53.643907] vfs_write+0x467/0x8c0 [ 53.647426] __x64_sys_write+0x1bf/0x3e0 [ 53.651466] do_syscall_64+0x15b/0x230 [ 53.655334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.660495] [ 53.662111] Uninit was stored to memory at: [ 53.666419] kmsan_internal_chain_origin+0x12b/0x210 [ 53.671502] __msan_chain_origin+0x69/0xc0 [ 53.675718] __skb_clone+0x8a2/0x990 [ 53.679409] skb_clone+0x3e8/0x590 [ 53.682928] tcp_transmit_skb+0x3e4/0x5350 [ 53.687156] tcp_write_xmit+0x2d81/0xb200 [ 53.691301] __tcp_push_pending_frames+0x124/0x400 [ 53.696211] tcp_push+0x803/0x8f0 [ 53.699642] tcp_sendmsg_locked+0x4eb1/0x6610 [ 53.704117] tcp_sendmsg+0xb2/0x100 [ 53.707723] inet_sendmsg+0x3fc/0x760 [ 53.711513] sock_write_iter+0x3bc/0x470 [ 53.715552] __vfs_write+0x808/0x9f0 [ 53.719247] vfs_write+0x467/0x8c0 [ 53.722773] __x64_sys_write+0x1bf/0x3e0 [ 53.726813] do_syscall_64+0x15b/0x230 [ 53.730707] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.735879] [ 53.737483] Uninit was stored to memory at: [ 53.741789] kmsan_internal_chain_origin+0x12b/0x210 [ 53.746878] __msan_chain_origin+0x69/0xc0 [ 53.751102] __alloc_skb+0x949/0x9e0 [ 53.754806] sk_stream_alloc_skb+0x17c/0xcf0 [ 53.759197] tcp_sendmsg_locked+0x237e/0x6610 [ 53.763670] tcp_sendmsg+0xb2/0x100 [ 53.767276] inet_sendmsg+0x3fc/0x760 [ 53.771067] sock_write_iter+0x3bc/0x470 [ 53.775120] __vfs_write+0x808/0x9f0 [ 53.778812] vfs_write+0x467/0x8c0 [ 53.782340] __x64_sys_write+0x1bf/0x3e0 [ 53.786385] do_syscall_64+0x15b/0x230 [ 53.790254] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.795420] [ 53.797033] Uninit was created at: [ 53.800562] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 53.805658] kmsan_kmalloc+0x94/0x100 [ 53.809448] kmsan_slab_alloc+0x10/0x20 [ 53.813401] kmem_cache_alloc_node+0x8af/0xc80 [ 53.817963] __alloc_skb+0x202/0x9e0 [ 53.821655] sk_stream_alloc_skb+0x17c/0xcf0 [ 53.826048] tcp_sendmsg_locked+0x237e/0x6610 [ 53.830529] tcp_sendmsg+0xb2/0x100 [ 53.834133] inet_sendmsg+0x3fc/0x760 [ 53.837911] sock_write_iter+0x3bc/0x470 [ 53.841949] __vfs_write+0x808/0x9f0 [ 53.845640] vfs_write+0x467/0x8c0 [ 53.849158] __x64_sys_write+0x1bf/0x3e0 [ 53.853199] do_syscall_64+0x15b/0x230 [ 53.857080] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:27 executed programs: 246 [ 58.424131] not chained 20000 origins [ 58.427976] CPU: 1 PID: 6311 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 58.434728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.444089] Call Trace: [ 58.446652] [ 58.448791] dump_stack+0x185/0x1d0 [ 58.452404] kmsan_internal_chain_origin+0x1ff/0x210 [ 58.457489] ? ip_tunnel_xmit+0x3422/0x37c0 [ 58.461792] ? kmsan_set_origin_inline+0x6b/0x120 [ 58.466613] ? __msan_poison_alloca+0x15c/0x1d0 [ 58.471263] ? validate_xmit_skb+0xfea/0x1320 [ 58.475736] ? kmsan_set_origin_inline+0x6b/0x120 [ 58.480558] ? __msan_poison_alloca+0x15c/0x1d0 [ 58.485210] ? __dev_queue_xmit+0x2ad2/0x3540 [ 58.489686] __msan_chain_origin+0x69/0xc0 [ 58.493911] dev_hard_start_xmit+0x679/0xc80 [ 58.498320] __dev_queue_xmit+0x2ad2/0x3540 [ 58.502628] dev_queue_xmit+0x4b/0x60 [ 58.506408] neigh_direct_output+0x42/0x50 [ 58.510630] ? neigh_connected_output+0x710/0x710 [ 58.515463] ip_finish_output2+0x1354/0x1480 [ 58.519852] ip_finish_output+0xcbc/0x1000 [ 58.524067] ip_output+0x505/0x5d0 [ 58.527585] ? ip_mc_finish_output+0x3b0/0x3b0 [ 58.532148] ? ip_finish_output+0x1000/0x1000 [ 58.536621] ip_queue_xmit+0x1b0f/0x1d00 [ 58.540660] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 58.546093] ? __skb_clone+0x6ec/0x990 [ 58.549973] ? ip_output+0x5d0/0x5d0 [ 58.553668] tcp_transmit_skb+0x3db5/0x5350 [ 58.557980] __tcp_retransmit_skb+0x2fd6/0x4100 [ 58.562644] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 58.568076] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 58.573504] ? bictcp_state+0x1ba/0x2a0 [ 58.581376] tcp_retransmit_skb+0xa6/0x480 [ 58.585596] tcp_retransmit_timer+0x21f9/0x4280 [ 58.590262] tcp_write_timer_handler+0x5c2/0xef0 [ 58.595004] ? call_timer_fn+0x280/0x5d0 [ 58.599070] tcp_write_timer+0x12b/0x280 [ 58.603130] call_timer_fn+0x280/0x5d0 [ 58.607021] ? tcp_init_xmit_timers+0xd0/0xd0 [ 58.611515] __run_timers+0xd96/0x11b0 [ 58.615386] ? tcp_init_xmit_timers+0xd0/0xd0 [ 58.619866] ? do_softirq_own_stack+0x2a/0x40 [ 58.624342] ? run_timer_softirq+0x14/0x70 [ 58.628558] ? timers_dead_cpu+0x1010/0x1010 [ 58.632953] run_timer_softirq+0x43/0x70 [ 58.637006] __do_softirq+0x592/0x979 [ 58.640799] do_softirq_own_stack+0x2a/0x40 [ 58.645122] [ 58.647350] __local_bh_enable_ip+0x114/0x140 [ 58.651839] _raw_spin_unlock_bh+0x57/0x70 [ 58.656063] inet_csk_get_port+0x1a43/0x1e80 [ 58.660467] ? __msan_poison_alloca+0x15c/0x1d0 [ 58.665115] ? local_bh_enable+0x36/0x40 [ 58.669170] ? __local_bh_enable_ip+0x3b/0x140 [ 58.673731] ? local_bh_enable+0x36/0x40 [ 58.677787] ? inet_get_local_port_range+0x2d0/0x2d0 [ 58.682868] __inet_bind+0xa5b/0x1000 [ 58.686651] inet_bind+0x219/0x2f0 [ 58.690179] ? inet_release+0x2b0/0x2b0 [ 58.694153] __sys_bind+0x3f4/0x4b0 [ 58.697770] ? syscall_return_slowpath+0xe9/0x710 [ 58.702595] __x64_sys_bind+0xd8/0x120 [ 58.706463] ? __sys_bind+0x4b0/0x4b0 [ 58.710242] do_syscall_64+0x15b/0x230 [ 58.714112] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.719281] RIP: 0033:0x455a99 [ 58.722448] RSP: 002b:00007f2cfea99c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 58.730135] RAX: ffffffffffffffda RBX: 00007f2cfea9a6d4 RCX: 0000000000455a99 [ 58.737384] RDX: 0000000000000010 RSI: 0000000020deb000 RDI: 0000000000000003 [ 58.744633] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 58.751883] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 58.759133] R13: 00000000004bb594 R14: 00000000004c81d8 R15: 0000000000000000 [ 58.766395] Uninit was stored to memory at: [ 58.770711] kmsan_internal_chain_origin+0x12b/0x210 [ 58.775791] __msan_chain_origin+0x69/0xc0 [ 58.780020] dev_hard_start_xmit+0x679/0xc80 [ 58.784423] __dev_queue_xmit+0x2ad2/0x3540 [ 58.788723] dev_queue_xmit+0x4b/0x60 [ 58.792514] neigh_direct_output+0x42/0x50 [ 58.796727] ip_finish_output2+0x1354/0x1480 [ 58.801114] ip_finish_output+0xcbc/0x1000 [ 58.805332] ip_output+0x505/0x5d0 [ 58.808852] ip_queue_xmit+0x1b0f/0x1d00 [ 58.812893] tcp_transmit_skb+0x3db5/0x5350 [ 58.817201] __tcp_retransmit_skb+0x2fd6/0x4100 [ 58.821851] tcp_retransmit_skb+0xa6/0x480 [ 58.826065] tcp_retransmit_timer+0x21f9/0x4280 [ 58.830709] tcp_write_timer_handler+0x5c2/0xef0 [ 58.835439] tcp_write_timer+0x12b/0x280 [ 58.839489] call_timer_fn+0x280/0x5d0 [ 58.843365] __run_timers+0xd96/0x11b0 [ 58.847231] run_timer_softirq+0x43/0x70 [ 58.851272] __do_softirq+0x592/0x979 [ 58.855131] [ 58.856730] Uninit was stored to memory at: [ 58.861041] kmsan_internal_chain_origin+0x12b/0x210 [ 58.866137] __msan_chain_origin+0x69/0xc0 [ 58.870361] __skb_clone+0x8a2/0x990 [ 58.874058] skb_clone+0x3e8/0x590 [ 58.877583] tcp_transmit_skb+0x3e4/0x5350 [ 58.881796] __tcp_retransmit_skb+0x2fd6/0x4100 [ 58.886444] tcp_retransmit_skb+0xa6/0x480 [ 58.890657] tcp_retransmit_timer+0x21f9/0x4280 [ 58.895309] tcp_write_timer_handler+0x5c2/0xef0 [ 58.900047] tcp_write_timer+0x12b/0x280 [ 58.904090] call_timer_fn+0x280/0x5d0 [ 58.907956] __run_timers+0xd96/0x11b0 [ 58.911825] run_timer_softirq+0x43/0x70 [ 58.915880] __do_softirq+0x592/0x979 [ 58.919662] [ 58.921268] Uninit was stored to memory at: [ 58.925579] kmsan_internal_chain_origin+0x12b/0x210 [ 58.930659] __msan_chain_origin+0x69/0xc0 [ 58.934875] __skb_clone+0x95b/0x990 [ 58.938570] skb_clone+0x3e8/0x590 [ 58.942096] __skb_tstamp_tx+0x394/0x1100 [ 58.946219] skb_tstamp_tx+0x9c/0xc0 [ 58.950650] loopback_xmit+0x112/0x730 [ 58.954518] dev_hard_start_xmit+0x5f6/0xc80 [ 58.958903] __dev_queue_xmit+0x2ad2/0x3540 [ 58.963203] dev_queue_xmit+0x4b/0x60 [ 58.966983] ip_finish_output2+0x12a8/0x1480 [ 58.971372] ip_finish_output+0xcbc/0x1000 [ 58.975587] ip_output+0x505/0x5d0 [ 58.979105] ip_local_out+0x164/0x1d0 [ 58.982883] iptunnel_xmit+0x854/0xdb0 [ 58.986749] ip_tunnel_xmit+0x3422/0x37c0 [ 58.990883] ipip_tunnel_xmit+0x32b/0x4c0 [ 58.995015] dev_hard_start_xmit+0x5f6/0xc80 [ 58.999410] __dev_queue_xmit+0x2ad2/0x3540 [ 59.003713] dev_queue_xmit+0x4b/0x60 [ 59.007502] neigh_direct_output+0x42/0x50 [ 59.011722] ip_finish_output2+0x1354/0x1480 [ 59.016119] ip_finish_output+0xcbc/0x1000 [ 59.020341] ip_output+0x505/0x5d0 [ 59.023861] ip_queue_xmit+0x1b0f/0x1d00 [ 59.027899] tcp_transmit_skb+0x3db5/0x5350 [ 59.032199] tcp_write_xmit+0x2d81/0xb200 [ 59.036336] __tcp_push_pending_frames+0x124/0x400 [ 59.041245] tcp_push+0x803/0x8f0 [ 59.044682] tcp_sendmsg_locked+0x4eb1/0x6610 [ 59.049161] tcp_sendmsg+0xb2/0x100 [ 59.052766] inet_sendmsg+0x3fc/0x760 [ 59.056556] sock_write_iter+0x3bc/0x470 [ 59.060606] __vfs_write+0x808/0x9f0 [ 59.064321] vfs_write+0x467/0x8c0 [ 59.067838] __x64_sys_write+0x1bf/0x3e0 [ 59.071881] do_syscall_64+0x15b/0x230 [ 59.075769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.080929] [ 59.082533] Uninit was stored to memory at: [ 59.086837] kmsan_internal_chain_origin+0x12b/0x210 [ 59.091926] __msan_chain_origin+0x69/0xc0 [ 59.096162] dev_hard_start_xmit+0x679/0xc80 [ 59.100551] __dev_queue_xmit+0x2ad2/0x3540 [ 59.104849] dev_queue_xmit+0x4b/0x60 [ 59.108638] ip_finish_output2+0x12a8/0x1480 [ 59.113045] ip_finish_output+0xcbc/0x1000 [ 59.117275] ip_output+0x505/0x5d0 [ 59.120795] ip_local_out+0x164/0x1d0 [ 59.124580] iptunnel_xmit+0x854/0xdb0 [ 59.128456] ip_tunnel_xmit+0x3422/0x37c0 [ 59.132585] ipip_tunnel_xmit+0x32b/0x4c0 [ 59.136713] dev_hard_start_xmit+0x5f6/0xc80 [ 59.141107] __dev_queue_xmit+0x2ad2/0x3540 [ 59.145408] dev_queue_xmit+0x4b/0x60 [ 59.149203] neigh_direct_output+0x42/0x50 [ 59.153439] ip_finish_output2+0x1354/0x1480 [ 59.157825] ip_finish_output+0xcbc/0x1000 [ 59.162045] ip_output+0x505/0x5d0 [ 59.165569] ip_queue_xmit+0x1b0f/0x1d00 [ 59.170051] tcp_transmit_skb+0x3db5/0x5350 [ 59.174361] tcp_write_xmit+0x2d81/0xb200 [ 59.178487] __tcp_push_pending_frames+0x124/0x400 [ 59.183392] tcp_push+0x803/0x8f0 [ 59.186828] tcp_sendmsg_locked+0x4eb1/0x6610 [ 59.191301] tcp_sendmsg+0xb2/0x100 [ 59.194908] inet_sendmsg+0x3fc/0x760 [ 59.198704] sock_write_iter+0x3bc/0x470 [ 59.202744] __vfs_write+0x808/0x9f0 [ 59.206440] vfs_write+0x467/0x8c0 [ 59.209961] __x64_sys_write+0x1bf/0x3e0 [ 59.214012] do_syscall_64+0x15b/0x230 [ 59.217907] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.223083] [ 59.224693] Uninit was stored to memory at: [ 59.229008] kmsan_internal_chain_origin+0x12b/0x210 [ 59.234096] __msan_chain_origin+0x69/0xc0 [ 59.238312] dev_hard_start_xmit+0x679/0xc80 [ 59.242702] __dev_queue_xmit+0x2ad2/0x3540 [ 59.247023] dev_queue_xmit+0x4b/0x60 [ 59.250830] neigh_direct_output+0x42/0x50 [ 59.255052] ip_finish_output2+0x1354/0x1480 [ 59.259437] ip_finish_output+0xcbc/0x1000 [ 59.263648] ip_output+0x505/0x5d0 [ 59.267168] ip_queue_xmit+0x1b0f/0x1d00 [ 59.271218] tcp_transmit_skb+0x3db5/0x5350 [ 59.275519] tcp_write_xmit+0x2d81/0xb200 [ 59.279654] __tcp_push_pending_frames+0x124/0x400 [ 59.284562] tcp_push+0x803/0x8f0 [ 59.287993] tcp_sendmsg_locked+0x4eb1/0x6610 [ 59.292469] tcp_sendmsg+0xb2/0x100 [ 59.296072] inet_sendmsg+0x3fc/0x760 [ 59.299852] sock_write_iter+0x3bc/0x470 [ 59.303896] __vfs_write+0x808/0x9f0 [ 59.307586] vfs_write+0x467/0x8c0 [ 59.311113] __x64_sys_write+0x1bf/0x3e0 [ 59.315152] do_syscall_64+0x15b/0x230 [ 59.319036] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.324726] [ 59.326338] Uninit was stored to memory at: [ 59.330653] kmsan_internal_chain_origin+0x12b/0x210 [ 59.335733] __msan_chain_origin+0x69/0xc0 [ 59.339947] __skb_clone+0x8a2/0x990 [ 59.343640] skb_clone+0x3e8/0x590 [ 59.347159] tcp_transmit_skb+0x3e4/0x5350 [ 59.351375] tcp_write_xmit+0x2d81/0xb200 [ 59.355510] __tcp_push_pending_frames+0x124/0x400 [ 59.360417] tcp_push+0x803/0x8f0 [ 59.363859] tcp_sendmsg_locked+0x4eb1/0x6610 [ 59.368336] tcp_sendmsg+0xb2/0x100 [ 59.371947] inet_sendmsg+0x3fc/0x760 [ 59.375742] sock_write_iter+0x3bc/0x470 [ 59.379782] __vfs_write+0x808/0x9f0 [ 59.383473] vfs_write+0x467/0x8c0 [ 59.386991] __x64_sys_write+0x1bf/0x3e0 [ 59.391040] do_syscall_64+0x15b/0x230 [ 59.394913] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.400073] [ 59.401676] Uninit was stored to memory at: [ 59.406001] kmsan_internal_chain_origin+0x12b/0x210 [ 59.411087] __msan_chain_origin+0x69/0xc0 [ 59.415310] __alloc_skb+0x949/0x9e0 [ 59.419020] sk_stream_alloc_skb+0x17c/0xcf0 [ 59.423417] tcp_sendmsg_locked+0x237e/0x6610 [ 59.427894] tcp_sendmsg+0xb2/0x100 [ 59.431509] inet_sendmsg+0x3fc/0x760 [ 59.435288] sock_write_iter+0x3bc/0x470 [ 59.439325] __vfs_write+0x808/0x9f0 [ 59.443023] vfs_write+0x467/0x8c0 [ 59.446547] __x64_sys_write+0x1bf/0x3e0 [ 59.450594] do_syscall_64+0x15b/0x230 [ 59.454462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.459633] [ 59.461233] Uninit was created at: [ 59.464764] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 59.469844] kmsan_kmalloc+0x94/0x100 [ 59.473623] kmsan_slab_alloc+0x10/0x20 [ 59.477575] kmem_cache_alloc_node+0x8af/0xc80 [ 59.482136] __alloc_skb+0x202/0x9e0 [ 59.485841] sk_stream_alloc_skb+0x17c/0xcf0 [ 59.490228] tcp_sendmsg_locked+0x237e/0x6610 [ 59.494711] tcp_sendmsg+0xb2/0x100 [ 59.498315] inet_sendmsg+0x3fc/0x760 [ 59.502092] sock_write_iter+0x3bc/0x470 [ 59.506131] __vfs_write+0x808/0x9f0 [ 59.509821] vfs_write+0x467/0x8c0 [ 59.513347] __x64_sys_write+0x1bf/0x3e0 [ 59.517384] do_syscall_64+0x15b/0x230 [ 59.521250] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:33 executed programs: 396 [ 63.391545] not chained 30000 origins [ 63.395400] CPU: 1 PID: 6791 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 63.402144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.411501] Call Trace: [ 63.414065] [ 63.416199] dump_stack+0x185/0x1d0 [ 63.419820] kmsan_internal_chain_origin+0x1ff/0x210 [ 63.424907] ? ip_tunnel_xmit+0x3422/0x37c0 [ 63.429211] ? kmsan_set_origin_inline+0x6b/0x120 [ 63.434048] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.438707] ? validate_xmit_skb+0xfea/0x1320 [ 63.443187] ? kmsan_set_origin_inline+0x6b/0x120 [ 63.448018] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.452674] ? __dev_queue_xmit+0x2ad2/0x3540 [ 63.457153] __msan_chain_origin+0x69/0xc0 [ 63.461371] dev_hard_start_xmit+0x679/0xc80 [ 63.465765] __dev_queue_xmit+0x2ad2/0x3540 [ 63.470076] dev_queue_xmit+0x4b/0x60 [ 63.473861] neigh_direct_output+0x42/0x50 [ 63.478091] ? neigh_connected_output+0x710/0x710 [ 63.482926] ip_finish_output2+0x1354/0x1480 [ 63.487322] ip_finish_output+0xcbc/0x1000 [ 63.491542] ip_output+0x505/0x5d0 [ 63.495066] ? ip_mc_finish_output+0x3b0/0x3b0 [ 63.499634] ? ip_finish_output+0x1000/0x1000 [ 63.504109] ip_queue_xmit+0x1b0f/0x1d00 [ 63.508153] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 63.513585] ? __skb_clone+0x6ec/0x990 [ 63.517463] ? ip_output+0x5d0/0x5d0 [ 63.521161] tcp_transmit_skb+0x3db5/0x5350 [ 63.525476] __tcp_retransmit_skb+0x2fd6/0x4100 [ 63.530131] ? check_preempt_wakeup+0xeae/0x1550 [ 63.534875] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 63.540308] ? bictcp_state+0x1ba/0x2a0 [ 63.544271] tcp_retransmit_skb+0xa6/0x480 [ 63.548489] tcp_retransmit_timer+0x21f9/0x4280 [ 63.553147] tcp_write_timer_handler+0x5c2/0xef0 [ 63.557887] ? call_timer_fn+0x280/0x5d0 [ 63.561934] tcp_write_timer+0x12b/0x280 [ 63.565980] call_timer_fn+0x280/0x5d0 [ 63.569848] ? tcp_init_xmit_timers+0xd0/0xd0 [ 63.574326] __run_timers+0xd96/0x11b0 [ 63.578194] ? tcp_init_xmit_timers+0xd0/0xd0 [ 63.582678] ? do_softirq_own_stack+0x2a/0x40 [ 63.587164] ? run_timer_softirq+0x14/0x70 [ 63.591382] ? timers_dead_cpu+0x1010/0x1010 [ 63.595775] run_timer_softirq+0x43/0x70 [ 63.599821] __do_softirq+0x592/0x979 [ 63.603607] do_softirq_own_stack+0x2a/0x40 [ 63.607906] [ 63.610126] __local_bh_enable_ip+0x114/0x140 [ 63.614606] _raw_spin_unlock_bh+0x57/0x70 [ 63.618825] inet_csk_get_port+0x1a43/0x1e80 [ 63.623216] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.627868] ? local_bh_enable+0x36/0x40 [ 63.631909] ? __local_bh_enable_ip+0x3b/0x140 [ 63.636562] ? local_bh_enable+0x36/0x40 [ 63.640614] ? inet_get_local_port_range+0x2d0/0x2d0 [ 63.645702] __inet_bind+0xa5b/0x1000 [ 63.649490] inet_bind+0x219/0x2f0 [ 63.653019] ? inet_release+0x2b0/0x2b0 [ 63.656983] __sys_bind+0x3f4/0x4b0 [ 63.660595] ? syscall_return_slowpath+0xe9/0x710 [ 63.665427] __x64_sys_bind+0xd8/0x120 [ 63.669299] ? __sys_bind+0x4b0/0x4b0 [ 63.673084] do_syscall_64+0x15b/0x230 [ 63.676982] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.682155] RIP: 0033:0x455a99 [ 63.685327] RSP: 002b:00007f2cfea99c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 63.693021] RAX: ffffffffffffffda RBX: 00007f2cfea9a6d4 RCX: 0000000000455a99 [ 63.700275] RDX: 0000000000000010 RSI: 0000000020deb000 RDI: 0000000000000004 [ 63.707526] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 63.714777] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 63.722041] R13: 00000000004bb594 R14: 00000000004c81d8 R15: 0000000000000000 [ 63.729298] Uninit was stored to memory at: [ 63.733606] kmsan_internal_chain_origin+0x12b/0x210 [ 63.738697] __msan_chain_origin+0x69/0xc0 [ 63.742913] dev_hard_start_xmit+0x679/0xc80 [ 63.747312] __dev_queue_xmit+0x2ad2/0x3540 [ 63.751618] dev_queue_xmit+0x4b/0x60 [ 63.755408] neigh_direct_output+0x42/0x50 [ 63.759622] ip_finish_output2+0x1354/0x1480 [ 63.764013] ip_finish_output+0xcbc/0x1000 [ 63.768246] ip_output+0x505/0x5d0 [ 63.771767] ip_queue_xmit+0x1b0f/0x1d00 [ 63.775809] tcp_transmit_skb+0x3db5/0x5350 [ 63.780130] __tcp_retransmit_skb+0x2fd6/0x4100 [ 63.784780] tcp_retransmit_skb+0xa6/0x480 [ 63.788996] tcp_retransmit_timer+0x21f9/0x4280 [ 63.793648] tcp_write_timer_handler+0x5c2/0xef0 [ 63.798382] tcp_write_timer+0x12b/0x280 [ 63.802422] call_timer_fn+0x280/0x5d0 [ 63.806293] __run_timers+0xd96/0x11b0 [ 63.810160] run_timer_softirq+0x43/0x70 [ 63.814203] __do_softirq+0x592/0x979 [ 63.817976] [ 63.819582] Uninit was stored to memory at: [ 63.823885] kmsan_internal_chain_origin+0x12b/0x210 [ 63.828967] __msan_chain_origin+0x69/0xc0 [ 63.833183] __skb_clone+0x8a2/0x990 [ 63.836876] skb_clone+0x3e8/0x590 [ 63.840398] tcp_transmit_skb+0x3e4/0x5350 [ 63.844614] __tcp_retransmit_skb+0x2fd6/0x4100 [ 63.849265] tcp_retransmit_skb+0xa6/0x480 [ 63.854016] tcp_retransmit_timer+0x21f9/0x4280 [ 63.858669] tcp_write_timer_handler+0x5c2/0xef0 [ 63.863413] tcp_write_timer+0x12b/0x280 [ 63.867455] call_timer_fn+0x280/0x5d0 [ 63.871324] __run_timers+0xd96/0x11b0 [ 63.875194] run_timer_softirq+0x43/0x70 [ 63.879238] __do_softirq+0x592/0x979 [ 63.883014] [ 63.884625] Uninit was stored to memory at: [ 63.888932] kmsan_internal_chain_origin+0x12b/0x210 [ 63.894031] __msan_chain_origin+0x69/0xc0 [ 63.898249] __skb_clone+0x95b/0x990 [ 63.901953] skb_clone+0x3e8/0x590 [ 63.905474] __skb_tstamp_tx+0x394/0x1100 [ 63.909603] skb_tstamp_tx+0x9c/0xc0 [ 63.913302] loopback_xmit+0x112/0x730 [ 63.917175] dev_hard_start_xmit+0x5f6/0xc80 [ 63.921567] __dev_queue_xmit+0x2ad2/0x3540 [ 63.925871] dev_queue_xmit+0x4b/0x60 [ 63.929650] ip_finish_output2+0x12a8/0x1480 [ 63.934042] ip_finish_output+0xcbc/0x1000 [ 63.938256] ip_output+0x505/0x5d0 [ 63.941786] ip_local_out+0x164/0x1d0 [ 63.945568] iptunnel_xmit+0x854/0xdb0 [ 63.949434] ip_tunnel_xmit+0x3422/0x37c0 [ 63.953565] ipip_tunnel_xmit+0x32b/0x4c0 [ 63.957701] dev_hard_start_xmit+0x5f6/0xc80 [ 63.962090] __dev_queue_xmit+0x2ad2/0x3540 [ 63.966393] dev_queue_xmit+0x4b/0x60 [ 63.970176] neigh_direct_output+0x42/0x50 [ 63.974393] ip_finish_output2+0x1354/0x1480 [ 63.978782] ip_finish_output+0xcbc/0x1000 [ 63.982994] ip_output+0x505/0x5d0 [ 63.986517] ip_queue_xmit+0x1b0f/0x1d00 [ 63.990561] tcp_transmit_skb+0x3db5/0x5350 [ 63.994864] tcp_write_xmit+0x2d81/0xb200 [ 63.998998] __tcp_push_pending_frames+0x124/0x400 [ 64.003913] tcp_push+0x803/0x8f0 [ 64.007349] tcp_sendmsg_locked+0x4eb1/0x6610 [ 64.011824] tcp_sendmsg+0xb2/0x100 [ 64.015433] inet_sendmsg+0x3fc/0x760 [ 64.019215] sock_write_iter+0x3bc/0x470 [ 64.023259] __vfs_write+0x808/0x9f0 [ 64.026966] vfs_write+0x467/0x8c0 [ 64.030488] __x64_sys_write+0x1bf/0x3e0 [ 64.034531] do_syscall_64+0x15b/0x230 [ 64.038401] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.043567] [ 64.045171] Uninit was stored to memory at: [ 64.049475] kmsan_internal_chain_origin+0x12b/0x210 [ 64.054559] __msan_chain_origin+0x69/0xc0 [ 64.058775] dev_hard_start_xmit+0x679/0xc80 [ 64.063162] __dev_queue_xmit+0x2ad2/0x3540 [ 64.067465] dev_queue_xmit+0x4b/0x60 [ 64.071248] ip_finish_output2+0x12a8/0x1480 [ 64.075638] ip_finish_output+0xcbc/0x1000 [ 64.079852] ip_output+0x505/0x5d0 [ 64.083372] ip_local_out+0x164/0x1d0 [ 64.087154] iptunnel_xmit+0x854/0xdb0 [ 64.091028] ip_tunnel_xmit+0x3422/0x37c0 [ 64.095162] ipip_tunnel_xmit+0x32b/0x4c0 [ 64.099292] dev_hard_start_xmit+0x5f6/0xc80 [ 64.103683] __dev_queue_xmit+0x2ad2/0x3540 [ 64.107998] dev_queue_xmit+0x4b/0x60 [ 64.111784] neigh_direct_output+0x42/0x50 [ 64.116032] ip_finish_output2+0x1354/0x1480 [ 64.120424] ip_finish_output+0xcbc/0x1000 [ 64.124638] ip_output+0x505/0x5d0 [ 64.128171] ip_queue_xmit+0x1b0f/0x1d00 [ 64.132215] tcp_transmit_skb+0x3db5/0x5350 [ 64.136519] tcp_write_xmit+0x2d81/0xb200 [ 64.140651] __tcp_push_pending_frames+0x124/0x400 [ 64.145562] tcp_push+0x803/0x8f0 [ 64.149014] tcp_sendmsg_locked+0x4eb1/0x6610 [ 64.153508] tcp_sendmsg+0xb2/0x100 [ 64.157116] inet_sendmsg+0x3fc/0x760 [ 64.160899] sock_write_iter+0x3bc/0x470 [ 64.164952] __vfs_write+0x808/0x9f0 [ 64.168648] vfs_write+0x467/0x8c0 [ 64.172169] __x64_sys_write+0x1bf/0x3e0 [ 64.176212] do_syscall_64+0x15b/0x230 [ 64.180081] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.185244] [ 64.186849] Uninit was stored to memory at: [ 64.191159] kmsan_internal_chain_origin+0x12b/0x210 [ 64.196241] __msan_chain_origin+0x69/0xc0 [ 64.200460] dev_hard_start_xmit+0x679/0xc80 [ 64.204848] __dev_queue_xmit+0x2ad2/0x3540 [ 64.209154] dev_queue_xmit+0x4b/0x60 [ 64.212939] neigh_direct_output+0x42/0x50 [ 64.217152] ip_finish_output2+0x1354/0x1480 [ 64.221540] ip_finish_output+0xcbc/0x1000 [ 64.225755] ip_output+0x505/0x5d0 [ 64.229278] ip_queue_xmit+0x1b0f/0x1d00 [ 64.233321] tcp_transmit_skb+0x3db5/0x5350 [ 64.237625] tcp_write_xmit+0x2d81/0xb200 [ 64.241757] __tcp_push_pending_frames+0x124/0x400 [ 64.246667] tcp_push+0x803/0x8f0 [ 64.250108] tcp_sendmsg_locked+0x4eb1/0x6610 [ 64.254584] tcp_sendmsg+0xb2/0x100 [ 64.258194] inet_sendmsg+0x3fc/0x760 [ 64.261988] sock_write_iter+0x3bc/0x470 [ 64.266045] __vfs_write+0x808/0x9f0 [ 64.269739] vfs_write+0x467/0x8c0 [ 64.273259] __x64_sys_write+0x1bf/0x3e0 [ 64.277311] do_syscall_64+0x15b/0x230 [ 64.281181] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.286347] [ 64.287956] Uninit was stored to memory at: [ 64.292261] kmsan_internal_chain_origin+0x12b/0x210 [ 64.297345] __msan_chain_origin+0x69/0xc0 [ 64.301563] __skb_clone+0x8a2/0x990 [ 64.305256] skb_clone+0x3e8/0x590 [ 64.308780] tcp_transmit_skb+0x3e4/0x5350 [ 64.312998] tcp_write_xmit+0x2d81/0xb200 [ 64.317132] __tcp_push_pending_frames+0x124/0x400 [ 64.322045] tcp_push+0x803/0x8f0 [ 64.325478] tcp_sendmsg_locked+0x4eb1/0x6610 [ 64.329953] tcp_sendmsg+0xb2/0x100 [ 64.333560] inet_sendmsg+0x3fc/0x760 [ 64.337343] sock_write_iter+0x3bc/0x470 [ 64.341387] __vfs_write+0x808/0x9f0 [ 64.345082] vfs_write+0x467/0x8c0 [ 64.348618] __x64_sys_write+0x1bf/0x3e0 [ 64.352661] do_syscall_64+0x15b/0x230 [ 64.356529] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.361698] [ 64.363302] Uninit was stored to memory at: [ 64.367609] kmsan_internal_chain_origin+0x12b/0x210 [ 64.372698] __msan_chain_origin+0x69/0xc0 [ 64.376915] __alloc_skb+0x949/0x9e0 [ 64.380611] sk_stream_alloc_skb+0x17c/0xcf0 [ 64.385008] tcp_sendmsg_locked+0x237e/0x6610 [ 64.389490] tcp_sendmsg+0xb2/0x100 [ 64.393097] inet_sendmsg+0x3fc/0x760 [ 64.396879] sock_write_iter+0x3bc/0x470 [ 64.400921] __vfs_write+0x808/0x9f0 [ 64.404616] vfs_write+0x467/0x8c0 [ 64.408137] __x64_sys_write+0x1bf/0x3e0 [ 64.412178] do_syscall_64+0x15b/0x230 [ 64.416069] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.421233] [ 64.422839] Uninit was created at: [ 64.426363] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 64.431449] kmsan_kmalloc+0x94/0x100 [ 64.435233] kmsan_slab_alloc+0x10/0x20 [ 64.439189] kmem_cache_alloc_node+0x8af/0xc80 [ 64.443752] __alloc_skb+0x202/0x9e0 [ 64.447447] sk_stream_alloc_skb+0x17c/0xcf0 [ 64.451838] tcp_sendmsg_locked+0x237e/0x6610 [ 64.456315] tcp_sendmsg+0xb2/0x100 [ 64.459924] inet_sendmsg+0x3fc/0x760 [ 64.463711] sock_write_iter+0x3bc/0x470 [ 64.467756] __vfs_write+0x808/0x9f0 [ 64.471448] vfs_write+0x467/0x8c0 [ 64.474974] __x64_sys_write+0x1bf/0x3e0 [ 64.479023] do_syscall_64+0x15b/0x230 [ 64.482899] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:38 executed programs: 518 [ 68.640530] not chained 40000 origins [ 68.644354] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.17.0+ #9 [ 68.650507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.659839] Call Trace: [ 68.662407] [ 68.664540] dump_stack+0x185/0x1d0 [ 68.668149] kmsan_internal_chain_origin+0x1ff/0x210 [ 68.673237] ? __msan_memcpy+0x109/0x160 [ 68.677285] ? pskb_expand_head+0x3a6/0x1a70 [ 68.681671] ? ip_tunnel_xmit+0x3117/0x37c0 [ 68.685972] ? ipip_tunnel_xmit+0x32b/0x4c0 [ 68.690272] ? dev_hard_start_xmit+0x5f6/0xc80 [ 68.694828] ? __dev_queue_xmit+0x2ad2/0x3540 [ 68.699299] ? dev_queue_xmit+0x4b/0x60 [ 68.703274] ? neigh_direct_output+0x42/0x50 [ 68.707678] ? tcp_retransmit_skb+0xa6/0x480 [ 68.712066] ? tcp_retransmit_timer+0x21f9/0x4280 [ 68.716884] ? tcp_write_timer_handler+0x5c2/0xef0 [ 68.721796] ? tcp_write_timer+0x12b/0x280 [ 68.726010] ? call_timer_fn+0x280/0x5d0 [ 68.730063] ? __run_timers+0xd96/0x11b0 [ 68.734102] ? run_timer_softirq+0x43/0x70 [ 68.738319] ? __do_softirq+0x592/0x979 [ 68.742268] ? irq_exit+0x202/0x240 [ 68.745884] ? exiting_irq+0xe/0x10 [ 68.749490] ? smp_apic_timer_interrupt+0x64/0x90 [ 68.754309] ? apic_timer_interrupt+0xf/0x20 [ 68.758697] ? default_idle+0x20b/0x3e0 [ 68.762648] ? arch_cpu_idle+0x26/0x30 [ 68.766509] ? do_idle+0x36d/0x830 [ 68.770041] ? cpu_startup_entry+0x45/0x50 [ 68.774264] ? start_secondary+0x3c6/0x490 [ 68.778483] ? secondary_startup_64+0xa5/0xb0 [ 68.782958] ? kmsan_set_origin_inline+0x6b/0x120 [ 68.787776] ? __msan_poison_alloca+0x15c/0x1d0 [ 68.792425] ? pskb_expand_head+0xdfc/0x1a70 [ 68.796811] ? skb_release_data+0x42/0x880 [ 68.801031] ? pskb_expand_head+0xdfc/0x1a70 [ 68.805426] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 68.810765] ? skb_release_data+0x64e/0x880 [ 68.815068] __msan_chain_origin+0x69/0xc0 [ 68.819291] pskb_expand_head+0x112d/0x1a70 [ 68.823596] ip_tunnel_xmit+0x3117/0x37c0 [ 68.827727] ipip_tunnel_xmit+0x32b/0x4c0 [ 68.831866] ? ipip_tunnel_init+0x1d0/0x1d0 [ 68.836192] dev_hard_start_xmit+0x5f6/0xc80 [ 68.840584] __dev_queue_xmit+0x2ad2/0x3540 [ 68.844888] dev_queue_xmit+0x4b/0x60 [ 68.848665] neigh_direct_output+0x42/0x50 [ 68.852879] ? neigh_connected_output+0x710/0x710 [ 68.857707] ip_finish_output2+0x1354/0x1480 [ 68.862096] ip_finish_output+0xcbc/0x1000 [ 68.866321] ip_output+0x505/0x5d0 [ 68.869840] ? ip_mc_finish_output+0x3b0/0x3b0 [ 68.874402] ? ip_finish_output+0x1000/0x1000 [ 68.878872] ip_queue_xmit+0x1b0f/0x1d00 [ 68.882912] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 68.888349] ? __skb_clone+0x6ec/0x990 [ 68.892218] ? ip_output+0x5d0/0x5d0 [ 68.895920] tcp_transmit_skb+0x3db5/0x5350 [ 68.900236] __tcp_retransmit_skb+0x2fd6/0x4100 [ 68.904887] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 68.910326] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 68.915753] ? bictcp_state+0x1ba/0x2a0 [ 68.919710] tcp_retransmit_skb+0xa6/0x480 [ 68.923946] tcp_retransmit_timer+0x21f9/0x4280 [ 68.928605] tcp_write_timer_handler+0x5c2/0xef0 [ 68.933349] ? call_timer_fn+0x280/0x5d0 [ 68.937389] tcp_write_timer+0x12b/0x280 [ 68.941437] call_timer_fn+0x280/0x5d0 [ 68.945303] ? tcp_init_xmit_timers+0xd0/0xd0 [ 68.950287] __run_timers+0xd96/0x11b0 [ 68.954153] ? tcp_init_xmit_timers+0xd0/0xd0 [ 68.958627] ? irq_exit+0x202/0x240 [ 68.962244] ? run_timer_softirq+0x14/0x70 [ 68.966470] ? timers_dead_cpu+0x1010/0x1010 [ 68.970855] run_timer_softirq+0x43/0x70 [ 68.974901] __do_softirq+0x592/0x979 [ 68.978696] irq_exit+0x202/0x240 [ 68.982141] exiting_irq+0xe/0x10 [ 68.985577] smp_apic_timer_interrupt+0x64/0x90 [ 68.990238] apic_timer_interrupt+0xf/0x20 [ 68.994445] [ 68.996662] RIP: 0010:default_idle+0x20b/0x3e0 [ 69.001220] RSP: 0018:ffff8801d8e5fdf0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 69.008906] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 69.016153] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 69.023405] RBP: ffff8801d8e5fe28 R08: 0000000001080020 R09: 0000000000000002 [ 69.030665] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffff8801d8e5fe8f [ 69.037926] R13: ffff8801d8da57c0 R14: ffff8801d8e5fe8c R15: ffff8801d8da6098 [ 69.045185] ? __cpuidle_text_start+0x8/0x8 [ 69.049494] ? __cpuidle_text_start+0x8/0x8 [ 69.053797] arch_cpu_idle+0x26/0x30 [ 69.057489] do_idle+0x36d/0x830 [ 69.060836] cpu_startup_entry+0x45/0x50 [ 69.064878] ? setup_APIC_timer+0x220/0x220 [ 69.069178] start_secondary+0x3c6/0x490 [ 69.073217] secondary_startup_64+0xa5/0xb0 [ 69.077517] Uninit was stored to memory at: [ 69.081821] kmsan_internal_chain_origin+0x12b/0x210 [ 69.086902] __msan_chain_origin+0x69/0xc0 [ 69.091127] dev_hard_start_xmit+0x679/0xc80 [ 69.095535] __dev_queue_xmit+0x2ad2/0x3540 [ 69.099835] dev_queue_xmit+0x4b/0x60 [ 69.103613] neigh_direct_output+0x42/0x50 [ 69.107827] ip_finish_output2+0x1354/0x1480 [ 69.112211] ip_finish_output+0xcbc/0x1000 [ 69.116423] ip_output+0x505/0x5d0 [ 69.119941] ip_queue_xmit+0x1b0f/0x1d00 [ 69.123990] tcp_transmit_skb+0x3db5/0x5350 [ 69.128304] __tcp_retransmit_skb+0x2fd6/0x4100 [ 69.132968] tcp_retransmit_skb+0xa6/0x480 [ 69.137180] tcp_retransmit_timer+0x21f9/0x4280 [ 69.141825] tcp_write_timer_handler+0x5c2/0xef0 [ 69.146567] tcp_write_timer+0x12b/0x280 [ 69.150608] call_timer_fn+0x280/0x5d0 [ 69.154491] __run_timers+0xd96/0x11b0 [ 69.158368] run_timer_softirq+0x43/0x70 [ 69.162417] __do_softirq+0x592/0x979 [ 69.166200] [ 69.167804] Uninit was stored to memory at: [ 69.172106] kmsan_internal_chain_origin+0x12b/0x210 [ 69.177197] __msan_chain_origin+0x69/0xc0 [ 69.181408] __skb_clone+0x8a2/0x990 [ 69.185103] skb_clone+0x3e8/0x590 [ 69.188636] tcp_transmit_skb+0x3e4/0x5350 [ 69.192850] __tcp_retransmit_skb+0x2fd6/0x4100 [ 69.197506] tcp_retransmit_skb+0xa6/0x480 [ 69.201725] tcp_retransmit_timer+0x21f9/0x4280 [ 69.206380] tcp_write_timer_handler+0x5c2/0xef0 [ 69.211121] tcp_write_timer+0x12b/0x280 [ 69.215163] call_timer_fn+0x280/0x5d0 [ 69.219048] __run_timers+0xd96/0x11b0 [ 69.222917] run_timer_softirq+0x43/0x70 [ 69.226966] __do_softirq+0x592/0x979 [ 69.230736] [ 69.232336] Uninit was stored to memory at: [ 69.236636] kmsan_internal_chain_origin+0x12b/0x210 [ 69.241713] __msan_chain_origin+0x69/0xc0 [ 69.245928] __skb_clone+0x95b/0x990 [ 69.249622] skb_clone+0x3e8/0x590 [ 69.253139] __skb_tstamp_tx+0x394/0x1100 [ 69.257274] skb_tstamp_tx+0x9c/0xc0 [ 69.260969] loopback_xmit+0x112/0x730 [ 69.264850] dev_hard_start_xmit+0x5f6/0xc80 [ 69.269246] __dev_queue_xmit+0x2ad2/0x3540 [ 69.273554] dev_queue_xmit+0x4b/0x60 [ 69.277330] ip_finish_output2+0x12a8/0x1480 [ 69.281726] ip_finish_output+0xcbc/0x1000 [ 69.285949] ip_output+0x505/0x5d0 [ 69.289468] ip_local_out+0x164/0x1d0 [ 69.293247] iptunnel_xmit+0x854/0xdb0 [ 69.297123] ip_tunnel_xmit+0x3422/0x37c0 [ 69.301253] ipip_tunnel_xmit+0x32b/0x4c0 [ 69.305391] dev_hard_start_xmit+0x5f6/0xc80 [ 69.309777] __dev_queue_xmit+0x2ad2/0x3540 [ 69.314079] dev_queue_xmit+0x4b/0x60 [ 69.317867] neigh_direct_output+0x42/0x50 [ 69.322079] ip_finish_output2+0x1354/0x1480 [ 69.326461] ip_finish_output+0xcbc/0x1000 [ 69.330669] ip_output+0x505/0x5d0 [ 69.334185] ip_queue_xmit+0x1b0f/0x1d00 [ 69.338227] tcp_transmit_skb+0x3db5/0x5350 [ 69.342528] tcp_write_xmit+0x2d81/0xb200 [ 69.346669] __tcp_push_pending_frames+0x124/0x400 [ 69.351593] tcp_push+0x803/0x8f0 [ 69.355034] tcp_sendmsg_locked+0x4eb1/0x6610 [ 69.359515] tcp_sendmsg+0xb2/0x100 [ 69.363122] inet_sendmsg+0x3fc/0x760 [ 69.366900] sock_write_iter+0x3bc/0x470 [ 69.370937] __vfs_write+0x808/0x9f0 [ 69.374628] vfs_write+0x467/0x8c0 [ 69.378157] __x64_sys_write+0x1bf/0x3e0 [ 69.382197] do_syscall_64+0x15b/0x230 [ 69.386065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.391234] [ 69.392842] Uninit was stored to memory at: [ 69.397141] kmsan_internal_chain_origin+0x12b/0x210 [ 69.402219] __msan_chain_origin+0x69/0xc0 [ 69.406433] dev_hard_start_xmit+0x679/0xc80 [ 69.410824] __dev_queue_xmit+0x2ad2/0x3540 [ 69.415138] dev_queue_xmit+0x4b/0x60 [ 69.418919] ip_finish_output2+0x12a8/0x1480 [ 69.423304] ip_finish_output+0xcbc/0x1000 [ 69.427512] ip_output+0x505/0x5d0 [ 69.431055] ip_local_out+0x164/0x1d0 [ 69.434847] iptunnel_xmit+0x854/0xdb0 [ 69.438708] ip_tunnel_xmit+0x3422/0x37c0 [ 69.442833] ipip_tunnel_xmit+0x32b/0x4c0 [ 69.446958] dev_hard_start_xmit+0x5f6/0xc80 [ 69.451339] __dev_queue_xmit+0x2ad2/0x3540 [ 69.455646] dev_queue_xmit+0x4b/0x60 [ 69.459434] neigh_direct_output+0x42/0x50 [ 69.463645] ip_finish_output2+0x1354/0x1480 [ 69.468037] ip_finish_output+0xcbc/0x1000 [ 69.472260] ip_output+0x505/0x5d0 [ 69.475793] ip_queue_xmit+0x1b0f/0x1d00 [ 69.479843] tcp_transmit_skb+0x3db5/0x5350 [ 69.484143] tcp_write_xmit+0x2d81/0xb200 [ 69.488283] __tcp_push_pending_frames+0x124/0x400 [ 69.493190] tcp_push+0x803/0x8f0 [ 69.496620] tcp_sendmsg_locked+0x4eb1/0x6610 [ 69.501089] tcp_sendmsg+0xb2/0x100 [ 69.504793] inet_sendmsg+0x3fc/0x760 [ 69.508580] sock_write_iter+0x3bc/0x470 [ 69.512622] __vfs_write+0x808/0x9f0 [ 69.516323] vfs_write+0x467/0x8c0 [ 69.519840] __x64_sys_write+0x1bf/0x3e0 [ 69.523883] do_syscall_64+0x15b/0x230 [ 69.527747] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.532909] [ 69.534511] Uninit was stored to memory at: [ 69.538821] kmsan_internal_chain_origin+0x12b/0x210 [ 69.543909] __msan_chain_origin+0x69/0xc0 [ 69.548121] dev_hard_start_xmit+0x679/0xc80 [ 69.552504] __dev_queue_xmit+0x2ad2/0x3540 [ 69.556804] dev_queue_xmit+0x4b/0x60 [ 69.560583] neigh_direct_output+0x42/0x50 [ 69.564795] ip_finish_output2+0x1354/0x1480 [ 69.569181] ip_finish_output+0xcbc/0x1000 [ 69.573393] ip_output+0x505/0x5d0 [ 69.576910] ip_queue_xmit+0x1b0f/0x1d00 [ 69.580960] tcp_transmit_skb+0x3db5/0x5350 [ 69.585261] tcp_write_xmit+0x2d81/0xb200 [ 69.589397] __tcp_push_pending_frames+0x124/0x400 [ 69.594303] tcp_push+0x803/0x8f0 [ 69.597730] tcp_sendmsg_locked+0x4eb1/0x6610 [ 69.602213] tcp_sendmsg+0xb2/0x100 [ 69.605834] inet_sendmsg+0x3fc/0x760 [ 69.609631] sock_write_iter+0x3bc/0x470 [ 69.613687] __vfs_write+0x808/0x9f0 [ 69.617401] vfs_write+0x467/0x8c0 [ 69.620937] __x64_sys_write+0x1bf/0x3e0 [ 69.625014] do_syscall_64+0x15b/0x230 [ 69.628918] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.634091] [ 69.635708] Uninit was stored to memory at: [ 69.640030] kmsan_internal_chain_origin+0x12b/0x210 [ 69.645122] __msan_chain_origin+0x69/0xc0 [ 69.649338] __skb_clone+0x8a2/0x990 [ 69.653034] skb_clone+0x3e8/0x590 [ 69.656574] tcp_transmit_skb+0x3e4/0x5350 [ 69.660795] tcp_write_xmit+0x2d81/0xb200 [ 69.665024] __tcp_push_pending_frames+0x124/0x400 [ 69.669942] tcp_push+0x803/0x8f0 [ 69.673385] tcp_sendmsg_locked+0x4eb1/0x6610 [ 69.677903] tcp_sendmsg+0xb2/0x100 [ 69.681517] inet_sendmsg+0x3fc/0x760 [ 69.685293] sock_write_iter+0x3bc/0x470 [ 69.689342] __vfs_write+0x808/0x9f0 [ 69.693038] vfs_write+0x467/0x8c0 [ 69.696562] __x64_sys_write+0x1bf/0x3e0 [ 69.700601] do_syscall_64+0x15b/0x230 [ 69.704465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.709625] [ 69.711229] Uninit was stored to memory at: [ 69.715549] kmsan_internal_chain_origin+0x12b/0x210 [ 69.720628] __msan_chain_origin+0x69/0xc0 [ 69.724852] __alloc_skb+0x949/0x9e0 [ 69.728544] sk_stream_alloc_skb+0x17c/0xcf0 [ 69.732936] tcp_sendmsg_locked+0x237e/0x6610 [ 69.737406] tcp_sendmsg+0xb2/0x100 [ 69.741009] inet_sendmsg+0x3fc/0x760 [ 69.744801] sock_write_iter+0x3bc/0x470 [ 69.748847] __vfs_write+0x808/0x9f0 [ 69.752538] vfs_write+0x467/0x8c0 [ 69.756061] __x64_sys_write+0x1bf/0x3e0 [ 69.760102] do_syscall_64+0x15b/0x230 [ 69.763977] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.769225] [ 69.770834] Uninit was created at: [ 69.774361] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 69.779440] kmsan_kmalloc+0x94/0x100 [ 69.783216] kmsan_slab_alloc+0x10/0x20 [ 69.787168] kmem_cache_alloc_node+0x8af/0xc80 [ 69.791736] __alloc_skb+0x202/0x9e0 2018/06/27 03:12:43 executed programs: 643 [ 69.795438] sk_stream_alloc_skb+0x17c/0xcf0 [ 69.799835] tcp_sendmsg_locked+0x237e/0x6610 [ 69.804317] tcp_sendmsg+0xb2/0x100 [ 69.807923] inet_sendmsg+0x3fc/0x760 [ 69.811714] sock_write_iter+0x3bc/0x470 [ 69.815754] __vfs_write+0x808/0x9f0 [ 69.819446] vfs_write+0x467/0x8c0 [ 69.822963] __x64_sys_write+0x1bf/0x3e0 [ 69.827004] do_syscall_64+0x15b/0x230 [ 69.830876] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.699498] not chained 50000 origins [ 73.703343] CPU: 0 PID: 4487 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 73.710095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.719426] Call Trace: [ 73.721986] [ 73.724120] dump_stack+0x185/0x1d0 [ 73.727727] kmsan_internal_chain_origin+0x1ff/0x210 [ 73.732812] ? csum_partial_ext+0x89/0xa0 [ 73.736940] ? __skb_checksum+0xf32/0xfb0 [ 73.741064] ? kmsan_set_origin_inline+0x6b/0x120 [ 73.745970] ? __msan_poison_alloca+0x15c/0x1d0 [ 73.750626] ? validate_xmit_skb+0xfea/0x1320 [ 73.755109] ? kmsan_set_origin_inline+0x6b/0x120 [ 73.759930] ? __msan_poison_alloca+0x15c/0x1d0 [ 73.764576] ? __dev_queue_xmit+0x2ad2/0x3540 [ 73.769054] __msan_chain_origin+0x69/0xc0 [ 73.773268] dev_hard_start_xmit+0x679/0xc80 [ 73.777656] __dev_queue_xmit+0x2ad2/0x3540 [ 73.781961] dev_queue_xmit+0x4b/0x60 [ 73.785742] ip_finish_output2+0x12a8/0x1480 [ 73.790131] ip_finish_output+0xcbc/0x1000 [ 73.794347] ip_output+0x505/0x5d0 [ 73.797865] ? ip_mc_finish_output+0x3b0/0x3b0 [ 73.802425] ? ip_finish_output+0x1000/0x1000 [ 73.806897] ip_local_out+0x164/0x1d0 [ 73.810677] iptunnel_xmit+0x854/0xdb0 [ 73.814556] ip_tunnel_xmit+0x3422/0x37c0 [ 73.818689] ipip_tunnel_xmit+0x32b/0x4c0 [ 73.822816] ? ipip_tunnel_init+0x1d0/0x1d0 [ 73.827125] dev_hard_start_xmit+0x5f6/0xc80 [ 73.831515] __dev_queue_xmit+0x2ad2/0x3540 [ 73.835819] dev_queue_xmit+0x4b/0x60 [ 73.839600] neigh_direct_output+0x42/0x50 [ 73.843814] ? neigh_connected_output+0x710/0x710 [ 73.848634] ip_finish_output2+0x1354/0x1480 [ 73.853038] ip_finish_output+0xcbc/0x1000 [ 73.857253] ip_output+0x505/0x5d0 [ 73.860773] ? ip_mc_finish_output+0x3b0/0x3b0 [ 73.865333] ? ip_finish_output+0x1000/0x1000 [ 73.869803] ip_queue_xmit+0x1b0f/0x1d00 [ 73.873851] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 73.879280] ? __skb_clone+0x6ec/0x990 [ 73.883146] ? ip_output+0x5d0/0x5d0 [ 73.886841] tcp_transmit_skb+0x3db5/0x5350 [ 73.891148] __tcp_retransmit_skb+0x2fd6/0x4100 [ 73.895796] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 73.901226] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 73.906664] ? bictcp_state+0x1ba/0x2a0 [ 73.910621] tcp_retransmit_skb+0xa6/0x480 [ 73.914836] tcp_retransmit_timer+0x21f9/0x4280 [ 73.919487] tcp_write_timer_handler+0x5c2/0xef0 [ 73.924223] ? call_timer_fn+0x280/0x5d0 [ 73.928262] tcp_write_timer+0x12b/0x280 [ 73.932301] call_timer_fn+0x280/0x5d0 [ 73.936166] ? tcp_init_xmit_timers+0xd0/0xd0 [ 73.940642] __run_timers+0xd96/0x11b0 [ 73.944508] ? tcp_init_xmit_timers+0xd0/0xd0 [ 73.948986] ? irq_exit+0x202/0x240 [ 73.952595] ? run_timer_softirq+0x14/0x70 [ 73.956807] ? timers_dead_cpu+0x1010/0x1010 [ 73.961199] run_timer_softirq+0x43/0x70 [ 73.965247] __do_softirq+0x592/0x979 [ 73.969056] irq_exit+0x202/0x240 [ 73.972499] exiting_irq+0xe/0x10 [ 73.975931] smp_apic_timer_interrupt+0x64/0x90 [ 73.980578] apic_timer_interrupt+0xf/0x20 [ 73.984789] [ 73.987010] RIP: 0010:kmsan_set_origin_inline+0x16/0x120 [ 73.992442] RSP: 0018:ffff8801a104f6a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 74.000136] RAX: 0000000081000000 RBX: 0000000081000000 RCX: ffff8801a104f720 [ 74.007470] RDX: 0000000081000000 RSI: 0000000000000008 RDI: ffff8801a104f7a0 [ 74.014727] RBP: ffff8801a104f6d0 R08: 0000000001080020 R09: 0000000000000002 [ 74.021980] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 74.029241] R13: 0000000081000000 R14: ffff8801a104f7a0 R15: 0000000000000008 [ 74.036507] __msan_poison_alloca+0x15c/0x1d0 [ 74.040981] ? _cond_resched+0x3c/0xd0 [ 74.044848] ? rcu_all_qs+0x32/0x1f0 [ 74.048548] ? _cond_resched+0x3c/0xd0 [ 74.052422] ? __vmalloc_node_range+0x916/0x1170 [ 74.057168] rcu_all_qs+0x32/0x1f0 [ 74.060689] _cond_resched+0x3c/0xd0 [ 74.064378] ? __vmalloc_node_range+0x905/0x1170 [ 74.069111] __vmalloc_node_range+0x916/0x1170 [ 74.073675] vzalloc+0xd8/0xf0 [ 74.076855] ? alloc_counters+0x99/0x920 [ 74.080896] alloc_counters+0x99/0x920 [ 74.084761] ? xt_find_table_lock+0x239/0x8f0 [ 74.089239] do_arpt_get_ctl+0x7da/0xe60 [ 74.093280] ? compat_do_arpt_set_ctl+0x2c00/0x2c00 [ 74.098274] nf_getsockopt+0x481/0x4e0 [ 74.102142] ip_getsockopt+0x284/0x3c0 [ 74.106022] ? compat_ip_setsockopt+0x380/0x380 [ 74.110680] tcp_getsockopt+0x1c6/0x1f0 [ 74.114637] ? tcp_get_timestamping_opt_stats+0x1300/0x1300 [ 74.120324] sock_common_getsockopt+0x13f/0x180 [ 74.125456] ? sock_recv_errqueue+0x990/0x990 [ 74.129931] __sys_getsockopt+0x48c/0x550 [ 74.134057] __x64_sys_getsockopt+0x15d/0x1c0 [ 74.138540] ? __ia32_sys_setsockopt+0x1c0/0x1c0 [ 74.143275] do_syscall_64+0x15b/0x230 [ 74.147145] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.152309] RIP: 0033:0x45858a [ 74.155477] RSP: 002b:0000000000a3eab8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 74.163161] RAX: ffffffffffffffda RBX: 0000000000a3eae0 RCX: 000000000045858a [ 74.170410] RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003 [ 74.177658] RBP: 0000000000000003 R08: 0000000000a3eadc R09: 0000000000000001 [ 74.184905] R10: 0000000000a3f160 R11: 0000000000000212 R12: 0000000000000000 [ 74.192152] R13: 0000000000001380 R14: 0000000000a3f160 R15: 00000000007024c0 [ 74.199402] Uninit was stored to memory at: [ 74.203707] kmsan_internal_chain_origin+0x12b/0x210 [ 74.208785] __msan_chain_origin+0x69/0xc0 [ 74.212997] dev_hard_start_xmit+0x679/0xc80 [ 74.217395] __dev_queue_xmit+0x2ad2/0x3540 [ 74.221694] dev_queue_xmit+0x4b/0x60 [ 74.225483] neigh_direct_output+0x42/0x50 [ 74.229704] ip_finish_output2+0x1354/0x1480 [ 74.234088] ip_finish_output+0xcbc/0x1000 [ 74.238301] ip_output+0x505/0x5d0 [ 74.241825] ip_queue_xmit+0x1b0f/0x1d00 [ 74.245866] tcp_transmit_skb+0x3db5/0x5350 [ 74.250173] __tcp_retransmit_skb+0x2fd6/0x4100 [ 74.254833] tcp_retransmit_skb+0xa6/0x480 [ 74.259051] tcp_retransmit_timer+0x21f9/0x4280 [ 74.263708] tcp_write_timer_handler+0x5c2/0xef0 [ 74.268447] tcp_write_timer+0x12b/0x280 [ 74.272505] call_timer_fn+0x280/0x5d0 [ 74.276369] __run_timers+0xd96/0x11b0 [ 74.280241] run_timer_softirq+0x43/0x70 [ 74.284280] __do_softirq+0x592/0x979 [ 74.288051] [ 74.289657] Uninit was stored to memory at: [ 74.293960] kmsan_internal_chain_origin+0x12b/0x210 [ 74.299044] __msan_chain_origin+0x69/0xc0 [ 74.303258] __skb_clone+0x8a2/0x990 [ 74.306950] skb_clone+0x3e8/0x590 [ 74.310479] tcp_transmit_skb+0x3e4/0x5350 [ 74.314691] __tcp_retransmit_skb+0x2fd6/0x4100 [ 74.319339] tcp_retransmit_skb+0xa6/0x480 [ 74.323550] tcp_retransmit_timer+0x21f9/0x4280 [ 74.328199] tcp_write_timer_handler+0x5c2/0xef0 [ 74.332930] tcp_write_timer+0x12b/0x280 [ 74.336983] call_timer_fn+0x280/0x5d0 [ 74.340856] __run_timers+0xd96/0x11b0 [ 74.344720] run_timer_softirq+0x43/0x70 [ 74.348770] __do_softirq+0x592/0x979 [ 74.352552] [ 74.354154] Uninit was stored to memory at: [ 74.358455] kmsan_internal_chain_origin+0x12b/0x210 [ 74.363534] __msan_chain_origin+0x69/0xc0 [ 74.367746] __skb_clone+0x95b/0x990 [ 74.371443] skb_clone+0x3e8/0x590 [ 74.374959] __skb_tstamp_tx+0x394/0x1100 [ 74.379081] skb_tstamp_tx+0x9c/0xc0 [ 74.382780] loopback_xmit+0x112/0x730 [ 74.386647] dev_hard_start_xmit+0x5f6/0xc80 [ 74.391037] __dev_queue_xmit+0x2ad2/0x3540 [ 74.395347] dev_queue_xmit+0x4b/0x60 [ 74.399126] ip_finish_output2+0x12a8/0x1480 [ 74.403512] ip_finish_output+0xcbc/0x1000 [ 74.407720] ip_output+0x505/0x5d0 [ 74.411235] ip_local_out+0x164/0x1d0 [ 74.415034] iptunnel_xmit+0x854/0xdb0 [ 74.418908] ip_tunnel_xmit+0x3422/0x37c0 [ 74.423039] ipip_tunnel_xmit+0x32b/0x4c0 [ 74.427175] dev_hard_start_xmit+0x5f6/0xc80 [ 74.431563] __dev_queue_xmit+0x2ad2/0x3540 [ 74.435860] dev_queue_xmit+0x4b/0x60 [ 74.439640] neigh_direct_output+0x42/0x50 [ 74.443859] ip_finish_output2+0x1354/0x1480 [ 74.448244] ip_finish_output+0xcbc/0x1000 [ 74.452455] ip_output+0x505/0x5d0 [ 74.455971] ip_queue_xmit+0x1b0f/0x1d00 [ 74.460015] tcp_transmit_skb+0x3db5/0x5350 [ 74.464333] tcp_write_xmit+0x2d81/0xb200 [ 74.468500] __tcp_push_pending_frames+0x124/0x400 [ 74.473429] tcp_push+0x803/0x8f0 [ 74.476882] tcp_sendmsg_locked+0x4eb1/0x6610 [ 74.481374] tcp_sendmsg+0xb2/0x100 [ 74.484993] inet_sendmsg+0x3fc/0x760 [ 74.488776] sock_write_iter+0x3bc/0x470 [ 74.492814] __vfs_write+0x808/0x9f0 [ 74.496506] vfs_write+0x467/0x8c0 [ 74.500042] __x64_sys_write+0x1bf/0x3e0 [ 74.504081] do_syscall_64+0x15b/0x230 [ 74.507950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.513111] [ 74.514713] Uninit was stored to memory at: [ 74.519022] kmsan_internal_chain_origin+0x12b/0x210 [ 74.524110] __msan_chain_origin+0x69/0xc0 [ 74.528324] dev_hard_start_xmit+0x679/0xc80 [ 74.532706] __dev_queue_xmit+0x2ad2/0x3540 [ 74.537009] dev_queue_xmit+0x4b/0x60 [ 74.540802] ip_finish_output2+0x12a8/0x1480 [ 74.545188] ip_finish_output+0xcbc/0x1000 [ 74.549402] ip_output+0x505/0x5d0 [ 74.552927] ip_local_out+0x164/0x1d0 [ 74.556704] iptunnel_xmit+0x854/0xdb0 [ 74.560568] ip_tunnel_xmit+0x3422/0x37c0 [ 74.564693] ipip_tunnel_xmit+0x32b/0x4c0 [ 74.568821] dev_hard_start_xmit+0x5f6/0xc80 [ 74.573205] __dev_queue_xmit+0x2ad2/0x3540 [ 74.577505] dev_queue_xmit+0x4b/0x60 [ 74.581281] neigh_direct_output+0x42/0x50 [ 74.585491] ip_finish_output2+0x1354/0x1480 [ 74.589964] ip_finish_output+0xcbc/0x1000 [ 74.594177] ip_output+0x505/0x5d0 [ 74.597704] ip_queue_xmit+0x1b0f/0x1d00 [ 74.601744] tcp_transmit_skb+0x3db5/0x5350 [ 74.606047] tcp_write_xmit+0x2d81/0xb200 [ 74.610172] __tcp_push_pending_frames+0x124/0x400 [ 74.615078] tcp_push+0x803/0x8f0 [ 74.618517] tcp_sendmsg_locked+0x4eb1/0x6610 [ 74.622988] tcp_sendmsg+0xb2/0x100 [ 74.626594] inet_sendmsg+0x3fc/0x760 [ 74.630372] sock_write_iter+0x3bc/0x470 [ 74.634410] __vfs_write+0x808/0x9f0 [ 74.638100] vfs_write+0x467/0x8c0 [ 74.641619] __x64_sys_write+0x1bf/0x3e0 [ 74.645668] do_syscall_64+0x15b/0x230 [ 74.649535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.654695] [ 74.656295] Uninit was stored to memory at: [ 74.660596] kmsan_internal_chain_origin+0x12b/0x210 [ 74.665676] __msan_chain_origin+0x69/0xc0 [ 74.669899] dev_hard_start_xmit+0x679/0xc80 [ 74.674286] __dev_queue_xmit+0x2ad2/0x3540 [ 74.678586] dev_queue_xmit+0x4b/0x60 [ 74.682372] neigh_direct_output+0x42/0x50 [ 74.686584] ip_finish_output2+0x1354/0x1480 [ 74.690975] ip_finish_output+0xcbc/0x1000 [ 74.695185] ip_output+0x505/0x5d0 [ 74.698703] ip_queue_xmit+0x1b0f/0x1d00 [ 74.702741] tcp_transmit_skb+0x3db5/0x5350 [ 74.707043] tcp_write_xmit+0x2d81/0xb200 [ 74.711168] __tcp_push_pending_frames+0x124/0x400 [ 74.716073] tcp_push+0x803/0x8f0 [ 74.719504] tcp_sendmsg_locked+0x4eb1/0x6610 [ 74.723982] tcp_sendmsg+0xb2/0x100 [ 74.727586] inet_sendmsg+0x3fc/0x760 [ 74.731364] sock_write_iter+0x3bc/0x470 [ 74.735403] __vfs_write+0x808/0x9f0 [ 74.739094] vfs_write+0x467/0x8c0 [ 74.742615] __x64_sys_write+0x1bf/0x3e0 [ 74.746661] do_syscall_64+0x15b/0x230 [ 74.750540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.755711] [ 74.757314] Uninit was stored to memory at: [ 74.761614] kmsan_internal_chain_origin+0x12b/0x210 [ 74.766692] __msan_chain_origin+0x69/0xc0 [ 74.770917] __skb_clone+0x8a2/0x990 [ 74.774608] skb_clone+0x3e8/0x590 [ 74.778127] tcp_transmit_skb+0x3e4/0x5350 [ 74.782341] tcp_write_xmit+0x2d81/0xb200 [ 74.786475] __tcp_push_pending_frames+0x124/0x400 [ 74.791394] tcp_push+0x803/0x8f0 [ 74.794825] tcp_sendmsg_locked+0x4eb1/0x6610 [ 74.799296] tcp_sendmsg+0xb2/0x100 [ 74.802900] inet_sendmsg+0x3fc/0x760 [ 74.806677] sock_write_iter+0x3bc/0x470 [ 74.810712] __vfs_write+0x808/0x9f0 [ 74.814403] vfs_write+0x467/0x8c0 [ 74.817930] __x64_sys_write+0x1bf/0x3e0 [ 74.821977] do_syscall_64+0x15b/0x230 [ 74.825841] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.831002] [ 74.832612] Uninit was stored to memory at: [ 74.836912] kmsan_internal_chain_origin+0x12b/0x210 [ 74.841991] __msan_chain_origin+0x69/0xc0 [ 74.846210] __alloc_skb+0x949/0x9e0 [ 74.849912] sk_stream_alloc_skb+0x17c/0xcf0 [ 74.854297] tcp_sendmsg_locked+0x237e/0x6610 [ 74.858769] tcp_sendmsg+0xb2/0x100 [ 74.862371] inet_sendmsg+0x3fc/0x760 [ 74.866171] sock_write_iter+0x3bc/0x470 [ 74.870213] __vfs_write+0x808/0x9f0 [ 74.873903] vfs_write+0x467/0x8c0 [ 74.877421] __x64_sys_write+0x1bf/0x3e0 [ 74.881461] do_syscall_64+0x15b/0x230 [ 74.885330] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.890492] [ 74.892096] Uninit was created at: [ 74.895616] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 74.900696] kmsan_kmalloc+0x94/0x100 [ 74.904476] kmsan_slab_alloc+0x10/0x20 [ 74.908427] kmem_cache_alloc_node+0x8af/0xc80 [ 74.912989] __alloc_skb+0x202/0x9e0 [ 74.916686] sk_stream_alloc_skb+0x17c/0xcf0 [ 74.921072] tcp_sendmsg_locked+0x237e/0x6610 [ 74.925550] tcp_sendmsg+0xb2/0x100 [ 74.929165] inet_sendmsg+0x3fc/0x760 [ 74.932940] sock_write_iter+0x3bc/0x470 [ 74.936978] __vfs_write+0x808/0x9f0 [ 74.940669] vfs_write+0x467/0x8c0 [ 74.944201] __x64_sys_write+0x1bf/0x3e0 [ 74.948239] do_syscall_64+0x15b/0x230 [ 74.952112] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:49 executed programs: 765 [ 78.315955] not chained 60000 origins [ 78.319808] CPU: 1 PID: 2269 Comm: udevd Not tainted 4.17.0+ #9 [ 78.325873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.335222] Call Trace: [ 78.337800] [ 78.339956] dump_stack+0x185/0x1d0 [ 78.343592] kmsan_internal_chain_origin+0x1ff/0x210 [ 78.348703] ? ip_route_output_key_hash_rcu+0x12f3/0x3a90 [ 78.354248] ? kmsan_set_origin_inline+0x6b/0x120 [ 78.359092] ? __msan_poison_alloca+0x15c/0x1d0 [ 78.363751] ? xfrm_lookup_route+0xfa/0x360 [ 78.368064] ? xfrm_lookup+0x200/0x39f0 [ 78.372038] ? xfrm_lookup_route+0xfa/0x360 [ 78.376366] ? xfrm_lookup+0xc12/0x39f0 [ 78.380349] ? kmsan_memcpy_origins+0xf1/0x170 [ 78.384937] ? __copy_skb_header+0x784/0x830 [ 78.389354] __msan_chain_origin+0x69/0xc0 [ 78.393592] __skb_clone+0x7b3/0x990 [ 78.397314] ? kmsan_set_origin_inline+0x6b/0x120 [ 78.402154] skb_clone+0x3e8/0x590 [ 78.405706] tcp_transmit_skb+0x3e4/0x5350 [ 78.409951] ? tcp_v4_md5_lookup+0x44/0x420 [ 78.414278] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 78.419646] __tcp_retransmit_skb+0x2fd6/0x4100 [ 78.424306] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 78.429745] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 78.435189] ? bictcp_state+0x1ba/0x2a0 [ 78.439175] tcp_retransmit_skb+0xa6/0x480 [ 78.443433] tcp_retransmit_timer+0x21f9/0x4280 [ 78.448097] tcp_write_timer_handler+0x5c2/0xef0 [ 78.452857] ? call_timer_fn+0x280/0x5d0 [ 78.456917] tcp_write_timer+0x12b/0x280 [ 78.460985] call_timer_fn+0x280/0x5d0 [ 78.464877] ? tcp_init_xmit_timers+0xd0/0xd0 [ 78.469382] __run_timers+0xd96/0x11b0 [ 78.473275] ? tcp_init_xmit_timers+0xd0/0xd0 [ 78.477776] ? irq_exit+0x202/0x240 [ 78.481408] ? run_timer_softirq+0x14/0x70 [ 78.485636] ? timers_dead_cpu+0x1010/0x1010 [ 78.490045] run_timer_softirq+0x43/0x70 [ 78.494139] __do_softirq+0x592/0x979 [ 78.497967] irq_exit+0x202/0x240 [ 78.501426] exiting_irq+0xe/0x10 [ 78.504878] smp_apic_timer_interrupt+0x64/0x90 [ 78.509552] apic_timer_interrupt+0xf/0x20 [ 78.513769] [ 78.516007] RIP: 0010:do_syscall_64+0x4b/0x230 [ 78.520582] RSP: 0018:ffff8801c8c9fef8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 78.528289] RAX: ffffffff81009bf1 RBX: 0000000000000000 RCX: ffff8801ca9457c0 [ 78.535552] RDX: 0000000000000000 RSI: ffff8801c8c9ff58 RDI: ffff8801ca9457c0 [ 78.542815] RBP: ffff8801c8c9ff48 R08: 0000000000000000 R09: 0000000000000000 [ 78.550100] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 [ 78.557370] R13: 00000000f8200006 R14: ffff8801ca946098 R15: 0000000000000000 [ 78.564652] ? do_syscall_64+0x41/0x230 [ 78.568636] ? do_syscall_64+0x41/0x230 [ 78.572618] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.577801] RIP: 0033:0x7f2dd61e0347 [ 78.581517] RSP: 002b:00007ffeb61ad8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.589247] RAX: ffffffffffffffda RBX: 00000000006254a0 RCX: 00007f2dd61e0347 [ 78.596513] RDX: 00007ffeb61ad96c RSI: 000000000000541b RDI: 0000000000000006 [ 78.603803] RBP: 0000000001bf48f0 R08: 0000000000000000 R09: 0000000000000001 [ 78.611077] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000003 [ 78.618344] R13: 0000000000000000 R14: 0000000001beb050 R15: 0000000001bdb250 [ 78.625606] Uninit was stored to memory at: [ 78.629944] kmsan_internal_chain_origin+0x12b/0x210 [ 78.635053] __msan_chain_origin+0x69/0xc0 [ 78.639576] dev_hard_start_xmit+0x679/0xc80 [ 78.643988] __dev_queue_xmit+0x2ad2/0x3540 [ 78.648312] dev_queue_xmit+0x4b/0x60 [ 78.652114] neigh_direct_output+0x42/0x50 [ 78.656348] ip_finish_output2+0x1354/0x1480 [ 78.660757] ip_finish_output+0xcbc/0x1000 [ 78.664988] ip_output+0x505/0x5d0 [ 78.668518] ip_queue_xmit+0x1b0f/0x1d00 [ 78.672572] tcp_transmit_skb+0x3db5/0x5350 [ 78.676893] __tcp_retransmit_skb+0x2fd6/0x4100 [ 78.681562] tcp_retransmit_skb+0xa6/0x480 [ 78.685793] tcp_retransmit_timer+0x21f9/0x4280 [ 78.690462] tcp_write_timer_handler+0x5c2/0xef0 [ 78.695216] tcp_write_timer+0x12b/0x280 [ 78.699283] call_timer_fn+0x280/0x5d0 [ 78.703170] __run_timers+0xd96/0x11b0 [ 78.707059] run_timer_softirq+0x43/0x70 [ 78.711119] __do_softirq+0x592/0x979 [ 78.714918] [ 78.716535] Uninit was stored to memory at: [ 78.720859] kmsan_internal_chain_origin+0x12b/0x210 [ 78.725957] __msan_chain_origin+0x69/0xc0 [ 78.730200] __skb_clone+0x8a2/0x990 [ 78.733899] skb_clone+0x3e8/0x590 [ 78.737429] tcp_transmit_skb+0x3e4/0x5350 [ 78.741664] __tcp_retransmit_skb+0x2fd6/0x4100 [ 78.746349] tcp_retransmit_skb+0xa6/0x480 [ 78.750606] tcp_retransmit_timer+0x21f9/0x4280 [ 78.755274] tcp_write_timer_handler+0x5c2/0xef0 [ 78.760035] tcp_write_timer+0x12b/0x280 [ 78.764092] call_timer_fn+0x280/0x5d0 [ 78.768001] __run_timers+0xd96/0x11b0 [ 78.771889] run_timer_softirq+0x43/0x70 [ 78.775956] __do_softirq+0x592/0x979 [ 78.779772] [ 78.781392] Uninit was stored to memory at: [ 78.785724] kmsan_internal_chain_origin+0x12b/0x210 [ 78.790822] __msan_chain_origin+0x69/0xc0 [ 78.795050] __skb_clone+0x95b/0x990 [ 78.798781] skb_clone+0x3e8/0x590 [ 78.802328] __skb_tstamp_tx+0x394/0x1100 [ 78.806494] skb_tstamp_tx+0x9c/0xc0 [ 78.810206] loopback_xmit+0x112/0x730 [ 78.814093] dev_hard_start_xmit+0x5f6/0xc80 [ 78.818499] __dev_queue_xmit+0x2ad2/0x3540 [ 78.822814] dev_queue_xmit+0x4b/0x60 [ 78.826607] ip_finish_output2+0x12a8/0x1480 [ 78.831016] ip_finish_output+0xcbc/0x1000 [ 78.835252] ip_output+0x505/0x5d0 [ 78.838795] ip_local_out+0x164/0x1d0 [ 78.842584] iptunnel_xmit+0x854/0xdb0 [ 78.846453] ip_tunnel_xmit+0x3422/0x37c0 [ 78.850584] ipip_tunnel_xmit+0x32b/0x4c0 [ 78.854725] dev_hard_start_xmit+0x5f6/0xc80 [ 78.859135] __dev_queue_xmit+0x2ad2/0x3540 [ 78.863465] dev_queue_xmit+0x4b/0x60 [ 78.867271] neigh_direct_output+0x42/0x50 [ 78.871497] ip_finish_output2+0x1354/0x1480 [ 78.875892] ip_finish_output+0xcbc/0x1000 [ 78.880120] ip_output+0x505/0x5d0 [ 78.883659] ip_queue_xmit+0x1b0f/0x1d00 [ 78.887734] tcp_transmit_skb+0x3db5/0x5350 [ 78.892056] tcp_write_xmit+0x2d81/0xb200 [ 78.896199] __tcp_push_pending_frames+0x124/0x400 [ 78.901121] tcp_push+0x803/0x8f0 [ 78.904565] tcp_sendmsg_locked+0x4eb1/0x6610 [ 78.909143] tcp_sendmsg+0xb2/0x100 [ 78.912772] inet_sendmsg+0x3fc/0x760 [ 78.916591] sock_write_iter+0x3bc/0x470 [ 78.920645] __vfs_write+0x808/0x9f0 [ 78.924353] vfs_write+0x467/0x8c0 [ 78.927888] __x64_sys_write+0x1bf/0x3e0 [ 78.931950] do_syscall_64+0x15b/0x230 [ 78.935838] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.941013] [ 78.942634] Uninit was stored to memory at: [ 78.947984] kmsan_internal_chain_origin+0x12b/0x210 [ 78.953086] __msan_chain_origin+0x69/0xc0 [ 78.957324] dev_hard_start_xmit+0x679/0xc80 [ 78.961737] __dev_queue_xmit+0x2ad2/0x3540 [ 78.966071] dev_queue_xmit+0x4b/0x60 [ 78.969871] ip_finish_output2+0x12a8/0x1480 [ 78.974283] ip_finish_output+0xcbc/0x1000 [ 78.978515] ip_output+0x505/0x5d0 [ 78.982050] ip_local_out+0x164/0x1d0 [ 78.985842] iptunnel_xmit+0x854/0xdb0 [ 78.989723] ip_tunnel_xmit+0x3422/0x37c0 [ 78.993871] ipip_tunnel_xmit+0x32b/0x4c0 [ 78.998028] dev_hard_start_xmit+0x5f6/0xc80 [ 79.002436] __dev_queue_xmit+0x2ad2/0x3540 [ 79.006751] dev_queue_xmit+0x4b/0x60 [ 79.010542] neigh_direct_output+0x42/0x50 [ 79.014768] ip_finish_output2+0x1354/0x1480 [ 79.019174] ip_finish_output+0xcbc/0x1000 [ 79.023406] ip_output+0x505/0x5d0 [ 79.026941] ip_queue_xmit+0x1b0f/0x1d00 [ 79.030993] tcp_transmit_skb+0x3db5/0x5350 [ 79.035311] tcp_write_xmit+0x2d81/0xb200 [ 79.039453] __tcp_push_pending_frames+0x124/0x400 [ 79.044371] tcp_push+0x803/0x8f0 [ 79.047846] tcp_sendmsg_locked+0x4eb1/0x6610 [ 79.052357] tcp_sendmsg+0xb2/0x100 [ 79.056003] inet_sendmsg+0x3fc/0x760 [ 79.059805] sock_write_iter+0x3bc/0x470 [ 79.063866] __vfs_write+0x808/0x9f0 [ 79.067570] vfs_write+0x467/0x8c0 [ 79.071101] __x64_sys_write+0x1bf/0x3e0 [ 79.075184] do_syscall_64+0x15b/0x230 [ 79.079072] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.084252] [ 79.085877] Uninit was stored to memory at: [ 79.090203] kmsan_internal_chain_origin+0x12b/0x210 [ 79.095306] __msan_chain_origin+0x69/0xc0 [ 79.099567] dev_hard_start_xmit+0x679/0xc80 [ 79.103976] __dev_queue_xmit+0x2ad2/0x3540 [ 79.108301] dev_queue_xmit+0x4b/0x60 [ 79.112119] neigh_direct_output+0x42/0x50 [ 79.116365] ip_finish_output2+0x1354/0x1480 [ 79.120766] ip_finish_output+0xcbc/0x1000 [ 79.124984] ip_output+0x505/0x5d0 [ 79.128519] ip_queue_xmit+0x1b0f/0x1d00 [ 79.132583] tcp_transmit_skb+0x3db5/0x5350 [ 79.136925] tcp_write_xmit+0x2d81/0xb200 [ 79.141077] __tcp_push_pending_frames+0x124/0x400 [ 79.146006] tcp_push+0x803/0x8f0 [ 79.149458] tcp_sendmsg_locked+0x4eb1/0x6610 [ 79.153950] tcp_sendmsg+0xb2/0x100 [ 79.157662] inet_sendmsg+0x3fc/0x760 [ 79.161457] sock_write_iter+0x3bc/0x470 [ 79.165520] __vfs_write+0x808/0x9f0 [ 79.169234] vfs_write+0x467/0x8c0 [ 79.172776] __x64_sys_write+0x1bf/0x3e0 [ 79.176842] do_syscall_64+0x15b/0x230 [ 79.180717] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.185890] [ 79.187509] Uninit was stored to memory at: [ 79.191839] kmsan_internal_chain_origin+0x12b/0x210 [ 79.196967] __msan_chain_origin+0x69/0xc0 [ 79.201206] __skb_clone+0x8a2/0x990 [ 79.204943] skb_clone+0x3e8/0x590 [ 79.208480] tcp_transmit_skb+0x3e4/0x5350 [ 79.212737] tcp_write_xmit+0x2d81/0xb200 [ 79.216888] __tcp_push_pending_frames+0x124/0x400 [ 79.221836] tcp_push+0x803/0x8f0 [ 79.225308] tcp_sendmsg_locked+0x4eb1/0x6610 [ 79.229801] tcp_sendmsg+0xb2/0x100 [ 79.233430] inet_sendmsg+0x3fc/0x760 [ 79.237223] sock_write_iter+0x3bc/0x470 [ 79.241276] __vfs_write+0x808/0x9f0 [ 79.244989] vfs_write+0x467/0x8c0 [ 79.248533] __x64_sys_write+0x1bf/0x3e0 [ 79.252593] do_syscall_64+0x15b/0x230 [ 79.256474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.261671] [ 79.263299] Uninit was stored to memory at: [ 79.267619] kmsan_internal_chain_origin+0x12b/0x210 [ 79.272724] __msan_chain_origin+0x69/0xc0 [ 79.276957] __alloc_skb+0x949/0x9e0 [ 79.280671] sk_stream_alloc_skb+0x17c/0xcf0 [ 79.285078] tcp_sendmsg_locked+0x237e/0x6610 [ 79.289571] tcp_sendmsg+0xb2/0x100 [ 79.293200] inet_sendmsg+0x3fc/0x760 [ 79.297001] sock_write_iter+0x3bc/0x470 [ 79.301063] __vfs_write+0x808/0x9f0 [ 79.304778] vfs_write+0x467/0x8c0 [ 79.308319] __x64_sys_write+0x1bf/0x3e0 [ 79.312377] do_syscall_64+0x15b/0x230 [ 79.316277] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.321453] [ 79.323068] Uninit was created at: [ 79.326605] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 79.331716] kmsan_kmalloc+0x94/0x100 [ 79.335516] kmsan_slab_alloc+0x10/0x20 [ 79.339492] kmem_cache_alloc_node+0x8af/0xc80 [ 79.344082] __alloc_skb+0x202/0x9e0 [ 79.347799] sk_stream_alloc_skb+0x17c/0xcf0 [ 79.352204] tcp_sendmsg_locked+0x237e/0x6610 [ 79.356703] tcp_sendmsg+0xb2/0x100 [ 79.360345] inet_sendmsg+0x3fc/0x760 [ 79.364152] sock_write_iter+0x3bc/0x470 [ 79.368226] __vfs_write+0x808/0x9f0 [ 79.371948] vfs_write+0x467/0x8c0 [ 79.375489] __x64_sys_write+0x1bf/0x3e0 [ 79.379543] do_syscall_64+0x15b/0x230 [ 79.383424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:54 executed programs: 919 [ 82.606808] not chained 70000 origins [ 82.610631] CPU: 0 PID: 8658 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 82.617360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.626693] Call Trace: [ 82.629426] [ 82.631562] dump_stack+0x185/0x1d0 [ 82.635175] kmsan_internal_chain_origin+0x1ff/0x210 [ 82.640267] ? kmsan_internal_chain_origin+0x12b/0x210 [ 82.645551] ? __msan_chain_origin+0x69/0xc0 [ 82.649946] ? __skb_clone+0x8a2/0x990 [ 82.653813] ? skb_clone+0x3e8/0x590 [ 82.657517] ? __skb_tstamp_tx+0x394/0x1100 [ 82.661816] ? skb_tstamp_tx+0x9c/0xc0 [ 82.665683] ? loopback_xmit+0x112/0x730 [ 82.669732] ? dev_hard_start_xmit+0x5f6/0xc80 [ 82.674303] ? __dev_queue_xmit+0x2ad2/0x3540 [ 82.678785] ? dev_queue_xmit+0x4b/0x60 [ 82.682751] ? ip_finish_output2+0x12a8/0x1480 [ 82.687310] ? ip_finish_output+0xcbc/0x1000 [ 82.691696] ? ip_output+0x505/0x5d0 [ 82.695394] ? ip_local_out+0x164/0x1d0 [ 82.699354] ? iptunnel_xmit+0x854/0xdb0 [ 82.703393] ? ip_tunnel_xmit+0x3422/0x37c0 [ 82.707692] ? ipip_tunnel_xmit+0x32b/0x4c0 [ 82.711995] ? dev_hard_start_xmit+0x5f6/0xc80 [ 82.716560] ? __dev_queue_xmit+0x2ad2/0x3540 [ 82.721043] ? dev_queue_xmit+0x4b/0x60 [ 82.724997] ? neigh_direct_output+0x42/0x50 [ 82.729389] ? ip_finish_output2+0x1354/0x1480 [ 82.733954] ? ip_finish_output+0xcbc/0x1000 [ 82.738346] ? ip_output+0x505/0x5d0 [ 82.742043] ? ip_queue_xmit+0x1b0f/0x1d00 [ 82.746257] ? tcp_transmit_skb+0x3db5/0x5350 [ 82.750730] ? __tcp_retransmit_skb+0x2fd6/0x4100 [ 82.755548] ? tcp_retransmit_skb+0xa6/0x480 [ 82.759934] ? tcp_retransmit_timer+0x21f9/0x4280 [ 82.764754] ? tcp_write_timer_handler+0x5c2/0xef0 [ 82.769669] ? tcp_write_timer+0x12b/0x280 [ 82.773882] ? call_timer_fn+0x280/0x5d0 [ 82.777924] ? __run_timers+0xd96/0x11b0 [ 82.781966] ? run_timer_softirq+0x43/0x70 [ 82.786197] ? __do_softirq+0x592/0x979 [ 82.790150] ? irq_exit+0x202/0x240 [ 82.793764] ? exiting_irq+0xe/0x10 [ 82.797375] ? smp_apic_timer_interrupt+0x64/0x90 [ 82.802204] ? apic_timer_interrupt+0xf/0x20 [ 82.806594] ? kmsan_kmalloc+0xc6/0x100 [ 82.810556] ? kmsan_slab_alloc+0x10/0x20 [ 82.814692] ? __kmalloc_node_track_caller+0xb35/0x11b0 [ 82.820041] ? __alloc_skb+0x2cb/0x9e0 [ 82.823908] ? tcp_send_ack+0x18d/0x900 [ 82.827860] ? tcp_send_challenge_ack+0x3f0/0x4b0 [ 82.832680] ? tcp_validate_incoming+0x1707/0x27a0 [ 82.837589] ? tcp_rcv_state_process+0xb6f/0x66a0 [ 82.842410] ? tcp_v4_do_rcv+0xb2a/0xd90 [ 82.846448] ? __release_sock+0x2dc/0x680 [ 82.850572] ? release_sock+0x99/0x2a0 [ 82.854449] ? __inet_stream_connect+0xce0/0x13b0 [ 82.859278] ? tcp_sendmsg_locked+0x6064/0x6610 [ 82.863944] ? tcp_sendmsg+0xb2/0x100 [ 82.867722] ? inet_sendmsg+0x3fc/0x760 [ 82.871676] ? __sys_sendto+0x6c4/0x7e0 [ 82.875630] ? __x64_sys_sendto+0x1a1/0x210 [ 82.879931] ? do_syscall_64+0x15b/0x230 [ 82.883978] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.889334] ? __copy_skb_header+0x784/0x830 [ 82.893733] __msan_chain_origin+0x69/0xc0 [ 82.897966] __skb_clone+0x95b/0x990 [ 82.901661] skb_clone+0x3e8/0x590 [ 82.905183] __skb_tstamp_tx+0x394/0x1100 [ 82.909324] ? kmsan_set_origin_inline+0x6b/0x120 [ 82.914145] ? kmsan_set_origin_inline+0x6b/0x120 [ 82.918968] skb_tstamp_tx+0x9c/0xc0 [ 82.922664] loopback_xmit+0x112/0x730 [ 82.926544] ? loopback_dev_init+0x200/0x200 [ 82.930944] dev_hard_start_xmit+0x5f6/0xc80 [ 82.935334] __dev_queue_xmit+0x2ad2/0x3540 [ 82.939640] dev_queue_xmit+0x4b/0x60 [ 82.943420] ip_finish_output2+0x12a8/0x1480 [ 82.947810] ip_finish_output+0xcbc/0x1000 [ 82.952032] ip_output+0x505/0x5d0 [ 82.955560] ? ip_mc_finish_output+0x3b0/0x3b0 [ 82.960125] ? ip_finish_output+0x1000/0x1000 [ 82.964614] ip_local_out+0x164/0x1d0 [ 82.968404] iptunnel_xmit+0x854/0xdb0 [ 82.972285] ip_tunnel_xmit+0x3422/0x37c0 [ 82.976419] ipip_tunnel_xmit+0x32b/0x4c0 [ 82.980558] ? ipip_tunnel_init+0x1d0/0x1d0 [ 82.984858] dev_hard_start_xmit+0x5f6/0xc80 [ 82.989250] __dev_queue_xmit+0x2ad2/0x3540 [ 82.993562] dev_queue_xmit+0x4b/0x60 [ 82.997352] neigh_direct_output+0x42/0x50 [ 83.001566] ? neigh_connected_output+0x710/0x710 [ 83.006388] ip_finish_output2+0x1354/0x1480 [ 83.010777] ip_finish_output+0xcbc/0x1000 [ 83.015003] ip_output+0x505/0x5d0 [ 83.018539] ? ip_mc_finish_output+0x3b0/0x3b0 [ 83.023102] ? ip_finish_output+0x1000/0x1000 [ 83.027575] ip_queue_xmit+0x1b0f/0x1d00 [ 83.031618] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 83.037053] ? __skb_clone+0x6ec/0x990 [ 83.040924] ? ip_output+0x5d0/0x5d0 [ 83.044624] tcp_transmit_skb+0x3db5/0x5350 [ 83.048940] __tcp_retransmit_skb+0x2fd6/0x4100 [ 83.053604] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 83.059046] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 83.064483] ? bictcp_state+0x1ba/0x2a0 [ 83.068442] tcp_retransmit_skb+0xa6/0x480 [ 83.072657] tcp_retransmit_timer+0x21f9/0x4280 [ 83.077319] tcp_write_timer_handler+0x5c2/0xef0 [ 83.082066] ? call_timer_fn+0x280/0x5d0 [ 83.086106] tcp_write_timer+0x12b/0x280 [ 83.090154] call_timer_fn+0x280/0x5d0 [ 83.094037] ? tcp_init_xmit_timers+0xd0/0xd0 [ 83.098518] __run_timers+0xd96/0x11b0 [ 83.102392] ? tcp_init_xmit_timers+0xd0/0xd0 [ 83.106887] ? irq_exit+0x202/0x240 [ 83.110493] ? run_timer_softirq+0x14/0x70 [ 83.114719] ? timers_dead_cpu+0x1010/0x1010 [ 83.119107] run_timer_softirq+0x43/0x70 [ 83.123152] __do_softirq+0x592/0x979 [ 83.126937] irq_exit+0x202/0x240 [ 83.130371] exiting_irq+0xe/0x10 [ 83.133816] smp_apic_timer_interrupt+0x64/0x90 [ 83.138465] apic_timer_interrupt+0xf/0x20 [ 83.142677] [ 83.144900] RIP: 0010:kmsan_kmalloc+0xc6/0x100 [ 83.149470] RSP: 0018:ffff8801c436f110 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 83.157158] RAX: 0000000000000246 RBX: ffff88019f0c8000 RCX: 0000000000000101 [ 83.164407] RDX: 0000000000000100 RSI: ffffea0009ba4b48 RDI: ffff88019f0c8000 [ 83.171665] RBP: ffff8801c436f150 R08: 0000000001090220 R09: 0000000000000001 [ 83.178915] R10: 0000000000000002 R11: ffffffff889fbaa0 R12: ffff88021f004f00 [ 83.186175] R13: ffff88019f0f9d40 R14: 0000000000000400 R15: 0000000001090220 [ 83.193452] ? bictcp_state+0x2a0/0x2a0 [ 83.197427] kmsan_slab_alloc+0x10/0x20 [ 83.201392] __kmalloc_node_track_caller+0xb35/0x11b0 [ 83.206570] ? tcp_send_ack+0x18d/0x900 [ 83.210529] __alloc_skb+0x2cb/0x9e0 [ 83.214221] ? tcp_send_ack+0x18d/0x900 [ 83.218187] ? bictcp_cwnd_event+0x4e/0x200 [ 83.222493] tcp_send_ack+0x18d/0x900 [ 83.226276] tcp_send_challenge_ack+0x3f0/0x4b0 [ 83.230927] tcp_validate_incoming+0x1707/0x27a0 [ 83.235667] tcp_rcv_state_process+0xb6f/0x66a0 [ 83.240323] ? kmsan_set_origin_inline+0x6b/0x120 [ 83.245149] tcp_v4_do_rcv+0xb2a/0xd90 [ 83.249032] ? inet_sk_rx_dst_set+0x2c0/0x2c0 [ 83.253528] __release_sock+0x2dc/0x680 [ 83.257489] release_sock+0x99/0x2a0 [ 83.261183] __inet_stream_connect+0xce0/0x13b0 [ 83.265836] ? wait_woken+0x2e0/0x2e0 [ 83.269622] tcp_sendmsg_locked+0x6064/0x6610 [ 83.274100] ? kmsan_set_origin_inline+0x6b/0x120 [ 83.278927] ? __msan_poison_alloca+0x15c/0x1d0 [ 83.283586] ? local_bh_enable+0x36/0x40 [ 83.287629] ? __fdget+0x4e/0x60 [ 83.290977] tcp_sendmsg+0xb2/0x100 [ 83.294592] ? tcp_sendmsg_locked+0x6610/0x6610 [ 83.299256] inet_sendmsg+0x3fc/0x760 [ 83.303042] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 83.308386] ? inet_getname+0x4a0/0x4a0 [ 83.312339] __sys_sendto+0x6c4/0x7e0 [ 83.316125] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 83.321470] __x64_sys_sendto+0x1a1/0x210 [ 83.325598] ? __sys_sendto+0x7e0/0x7e0 [ 83.329552] do_syscall_64+0x15b/0x230 [ 83.333524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.338701] RIP: 0033:0x455a99 [ 83.341888] RSP: 002b:00007f2cfea99c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 83.349584] RAX: ffffffffffffffda RBX: 00007f2cfea9a6d4 RCX: 0000000000455a99 [ 83.356839] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 83.364096] RBP: 000000000072bea0 R08: 0000000020000000 R09: 0000000000000010 [ 83.371347] R10: 0000000020000802 R11: 0000000000000246 R12: 00000000ffffffff [ 83.378618] R13: 00000000004c0ef1 R14: 00000000004d0de8 R15: 0000000000000000 [ 83.385883] Uninit was stored to memory at: [ 83.390210] kmsan_internal_chain_origin+0x12b/0x210 [ 83.395296] __msan_chain_origin+0x69/0xc0 [ 83.399511] dev_hard_start_xmit+0x679/0xc80 [ 83.403897] __dev_queue_xmit+0x2ad2/0x3540 [ 83.408208] dev_queue_xmit+0x4b/0x60 [ 83.411990] neigh_direct_output+0x42/0x50 [ 83.416210] ip_finish_output2+0x1354/0x1480 [ 83.420605] ip_finish_output+0xcbc/0x1000 [ 83.424820] ip_output+0x505/0x5d0 [ 83.428336] ip_queue_xmit+0x1b0f/0x1d00 [ 83.432382] tcp_transmit_skb+0x3db5/0x5350 [ 83.436690] __tcp_retransmit_skb+0x2fd6/0x4100 [ 83.441338] tcp_retransmit_skb+0xa6/0x480 [ 83.445547] tcp_retransmit_timer+0x21f9/0x4280 [ 83.450211] tcp_write_timer_handler+0x5c2/0xef0 [ 83.454959] tcp_write_timer+0x12b/0x280 [ 83.458999] call_timer_fn+0x280/0x5d0 [ 83.462871] __run_timers+0xd96/0x11b0 [ 83.466739] run_timer_softirq+0x43/0x70 [ 83.470790] __do_softirq+0x592/0x979 [ 83.474564] [ 83.476172] Uninit was stored to memory at: [ 83.480484] kmsan_internal_chain_origin+0x12b/0x210 [ 83.485565] __msan_chain_origin+0x69/0xc0 [ 83.489785] __skb_clone+0x8a2/0x990 [ 83.493487] skb_clone+0x3e8/0x590 [ 83.497034] tcp_transmit_skb+0x3e4/0x5350 [ 83.501262] __tcp_retransmit_skb+0x2fd6/0x4100 [ 83.505919] tcp_retransmit_skb+0xa6/0x480 [ 83.510137] tcp_retransmit_timer+0x21f9/0x4280 [ 83.514790] tcp_write_timer_handler+0x5c2/0xef0 [ 83.519533] tcp_write_timer+0x12b/0x280 [ 83.523575] call_timer_fn+0x280/0x5d0 [ 83.527453] __run_timers+0xd96/0x11b0 [ 83.531326] run_timer_softirq+0x43/0x70 [ 83.535363] __do_softirq+0x592/0x979 [ 83.539133] [ 83.540746] Uninit was stored to memory at: [ 83.545066] kmsan_internal_chain_origin+0x12b/0x210 [ 83.550151] __msan_chain_origin+0x69/0xc0 [ 83.554373] __skb_clone+0x95b/0x990 [ 83.558065] skb_clone+0x3e8/0x590 [ 83.561581] __skb_tstamp_tx+0x394/0x1100 [ 83.565709] skb_tstamp_tx+0x9c/0xc0 [ 83.569430] loopback_xmit+0x112/0x730 [ 83.573295] dev_hard_start_xmit+0x5f6/0xc80 [ 83.577681] __dev_queue_xmit+0x2ad2/0x3540 [ 83.582000] dev_queue_xmit+0x4b/0x60 [ 83.585874] ip_finish_output2+0x12a8/0x1480 [ 83.590259] ip_finish_output+0xcbc/0x1000 [ 83.594478] ip_output+0x505/0x5d0 [ 83.597996] ip_local_out+0x164/0x1d0 [ 83.601778] iptunnel_xmit+0x854/0xdb0 [ 83.605643] ip_tunnel_xmit+0x3422/0x37c0 [ 83.609769] ipip_tunnel_xmit+0x32b/0x4c0 [ 83.613908] dev_hard_start_xmit+0x5f6/0xc80 [ 83.618292] __dev_queue_xmit+0x2ad2/0x3540 [ 83.622590] dev_queue_xmit+0x4b/0x60 [ 83.626367] neigh_direct_output+0x42/0x50 [ 83.630587] ip_finish_output2+0x1354/0x1480 [ 83.634971] ip_finish_output+0xcbc/0x1000 [ 83.639196] ip_output+0x505/0x5d0 [ 83.642711] ip_queue_xmit+0x1b0f/0x1d00 [ 83.646750] tcp_transmit_skb+0x3db5/0x5350 [ 83.651136] tcp_write_xmit+0x2d81/0xb200 [ 83.655260] __tcp_push_pending_frames+0x124/0x400 [ 83.660167] tcp_push+0x803/0x8f0 [ 83.663596] tcp_sendmsg_locked+0x4eb1/0x6610 [ 83.668065] tcp_sendmsg+0xb2/0x100 [ 83.671668] inet_sendmsg+0x3fc/0x760 [ 83.675450] sock_write_iter+0x3bc/0x470 [ 83.679488] __vfs_write+0x808/0x9f0 [ 83.683176] vfs_write+0x467/0x8c0 [ 83.686695] __x64_sys_write+0x1bf/0x3e0 [ 83.690732] do_syscall_64+0x15b/0x230 [ 83.694604] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.699764] [ 83.701377] Uninit was stored to memory at: [ 83.705677] kmsan_internal_chain_origin+0x12b/0x210 [ 83.710756] __msan_chain_origin+0x69/0xc0 [ 83.714969] dev_hard_start_xmit+0x679/0xc80 [ 83.719352] __dev_queue_xmit+0x2ad2/0x3540 [ 83.723649] dev_queue_xmit+0x4b/0x60 [ 83.727425] ip_finish_output2+0x12a8/0x1480 [ 83.731809] ip_finish_output+0xcbc/0x1000 [ 83.736026] ip_output+0x505/0x5d0 [ 83.739548] ip_local_out+0x164/0x1d0 [ 83.743325] iptunnel_xmit+0x854/0xdb0 [ 83.747186] ip_tunnel_xmit+0x3422/0x37c0 [ 83.751311] ipip_tunnel_xmit+0x32b/0x4c0 [ 83.755443] dev_hard_start_xmit+0x5f6/0xc80 [ 83.759825] __dev_queue_xmit+0x2ad2/0x3540 [ 83.764122] dev_queue_xmit+0x4b/0x60 [ 83.767899] neigh_direct_output+0x42/0x50 [ 83.772107] ip_finish_output2+0x1354/0x1480 [ 83.776498] ip_finish_output+0xcbc/0x1000 [ 83.780707] ip_output+0x505/0x5d0 [ 83.784222] ip_queue_xmit+0x1b0f/0x1d00 [ 83.788260] tcp_transmit_skb+0x3db5/0x5350 [ 83.792558] tcp_write_xmit+0x2d81/0xb200 [ 83.796684] __tcp_push_pending_frames+0x124/0x400 [ 83.801588] tcp_push+0x803/0x8f0 [ 83.805035] tcp_sendmsg_locked+0x4eb1/0x6610 [ 83.809507] tcp_sendmsg+0xb2/0x100 [ 83.813108] inet_sendmsg+0x3fc/0x760 [ 83.816884] sock_write_iter+0x3bc/0x470 [ 83.820922] __vfs_write+0x808/0x9f0 [ 83.824612] vfs_write+0x467/0x8c0 [ 83.828127] __x64_sys_write+0x1bf/0x3e0 [ 83.832162] do_syscall_64+0x15b/0x230 [ 83.836042] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.841204] [ 83.842805] Uninit was stored to memory at: [ 83.847105] kmsan_internal_chain_origin+0x12b/0x210 [ 83.852197] __msan_chain_origin+0x69/0xc0 [ 83.856409] dev_hard_start_xmit+0x679/0xc80 [ 83.860792] __dev_queue_xmit+0x2ad2/0x3540 [ 83.865098] dev_queue_xmit+0x4b/0x60 [ 83.868878] neigh_direct_output+0x42/0x50 [ 83.873186] ip_finish_output2+0x1354/0x1480 [ 83.877583] ip_finish_output+0xcbc/0x1000 [ 83.881792] ip_output+0x505/0x5d0 [ 83.885314] ip_queue_xmit+0x1b0f/0x1d00 [ 83.889361] tcp_transmit_skb+0x3db5/0x5350 [ 83.893666] tcp_write_xmit+0x2d81/0xb200 [ 83.897798] __tcp_push_pending_frames+0x124/0x400 [ 83.902705] tcp_push+0x803/0x8f0 [ 83.906134] tcp_sendmsg_locked+0x4eb1/0x6610 [ 83.910605] tcp_sendmsg+0xb2/0x100 [ 83.914214] inet_sendmsg+0x3fc/0x760 [ 83.917991] sock_write_iter+0x3bc/0x470 [ 83.922038] __vfs_write+0x808/0x9f0 [ 83.925729] vfs_write+0x467/0x8c0 [ 83.929245] __x64_sys_write+0x1bf/0x3e0 [ 83.933283] do_syscall_64+0x15b/0x230 [ 83.937148] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.942312] [ 83.943926] Uninit was stored to memory at: [ 83.948228] kmsan_internal_chain_origin+0x12b/0x210 [ 83.953308] __msan_chain_origin+0x69/0xc0 [ 83.957520] __skb_clone+0x8a2/0x990 [ 83.961212] skb_clone+0x3e8/0x590 [ 83.964731] tcp_transmit_skb+0x3e4/0x5350 [ 83.968942] tcp_write_xmit+0x2d81/0xb200 [ 83.973066] __tcp_push_pending_frames+0x124/0x400 [ 83.977970] tcp_push+0x803/0x8f0 [ 83.981400] tcp_sendmsg_locked+0x4eb1/0x6610 [ 83.985884] tcp_sendmsg+0xb2/0x100 [ 83.989487] inet_sendmsg+0x3fc/0x760 [ 83.993272] sock_write_iter+0x3bc/0x470 [ 83.997310] __vfs_write+0x808/0x9f0 [ 84.000999] vfs_write+0x467/0x8c0 [ 84.004523] __x64_sys_write+0x1bf/0x3e0 [ 84.008561] do_syscall_64+0x15b/0x230 [ 84.012423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.017593] [ 84.019196] Uninit was stored to memory at: [ 84.023495] kmsan_internal_chain_origin+0x12b/0x210 [ 84.028575] __msan_chain_origin+0x69/0xc0 [ 84.032787] __alloc_skb+0x949/0x9e0 [ 84.036478] sk_stream_alloc_skb+0x17c/0xcf0 [ 84.040862] tcp_sendmsg_locked+0x237e/0x6610 [ 84.045332] tcp_sendmsg+0xb2/0x100 [ 84.048934] inet_sendmsg+0x3fc/0x760 [ 84.052709] sock_write_iter+0x3bc/0x470 [ 84.056746] __vfs_write+0x808/0x9f0 [ 84.060446] vfs_write+0x467/0x8c0 [ 84.063962] __x64_sys_write+0x1bf/0x3e0 [ 84.067999] do_syscall_64+0x15b/0x230 [ 84.071878] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.077041] [ 84.078642] Uninit was created at: [ 84.082160] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 84.087327] kmsan_kmalloc+0x94/0x100 [ 84.091102] kmsan_slab_alloc+0x10/0x20 [ 84.095055] kmem_cache_alloc_node+0x8af/0xc80 [ 84.099613] __alloc_skb+0x202/0x9e0 [ 84.103303] sk_stream_alloc_skb+0x17c/0xcf0 [ 84.107688] tcp_sendmsg_locked+0x237e/0x6610 [ 84.112159] tcp_sendmsg+0xb2/0x100 [ 84.116196] inet_sendmsg+0x3fc/0x760 [ 84.119973] sock_write_iter+0x3bc/0x470 [ 84.124017] __vfs_write+0x808/0x9f0 [ 84.127723] vfs_write+0x467/0x8c0 [ 84.131240] __x64_sys_write+0x1bf/0x3e0 [ 84.135278] do_syscall_64+0x15b/0x230 [ 84.139142] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:12:59 executed programs: 1019 [ 90.015577] not chained 80000 origins [ 90.019458] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #9 [ 90.025604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.034938] Call Trace: [ 90.037499] [ 90.039644] dump_stack+0x185/0x1d0 [ 90.043269] kmsan_internal_chain_origin+0x1ff/0x210 [ 90.048371] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 90.053813] ? hrtimer_interrupt+0x1064/0x13c0 [ 90.058379] ? dev_hard_start_xmit+0x5f6/0xc80 [ 90.062944] ? kmsan_set_origin_inline+0x6b/0x120 [ 90.067863] ? __msan_poison_alloca+0x15c/0x1d0 [ 90.072637] ? exiting_irq+0xe/0x10 [ 90.076245] ? kmsan_set_origin_inline+0x6b/0x120 [ 90.081067] ? __msan_poison_alloca+0x15c/0x1d0 [ 90.085718] ? pskb_expand_head+0xdfc/0x1a70 [ 90.090118] ? skb_release_data+0x42/0x880 [ 90.094331] ? pskb_expand_head+0xdfc/0x1a70 [ 90.098730] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 90.104075] ? skb_release_data+0x64e/0x880 [ 90.108377] __msan_chain_origin+0x69/0xc0 [ 90.112598] pskb_expand_head+0x112d/0x1a70 [ 90.117277] ip_tunnel_xmit+0x3117/0x37c0 [ 90.121427] ipip_tunnel_xmit+0x32b/0x4c0 [ 90.125592] ? ipip_tunnel_init+0x1d0/0x1d0 [ 90.129902] dev_hard_start_xmit+0x5f6/0xc80 [ 90.134293] __dev_queue_xmit+0x2ad2/0x3540 [ 90.138608] dev_queue_xmit+0x4b/0x60 [ 90.142566] neigh_direct_output+0x42/0x50 [ 90.146787] ? neigh_connected_output+0x710/0x710 [ 90.151617] ip_finish_output2+0x1354/0x1480 [ 90.156029] ip_finish_output+0xcbc/0x1000 [ 90.160261] ip_output+0x505/0x5d0 [ 90.163780] ? ip_mc_finish_output+0x3b0/0x3b0 [ 90.168352] ? ip_finish_output+0x1000/0x1000 [ 90.172823] ip_queue_xmit+0x1b0f/0x1d00 [ 90.176865] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 90.182295] ? __skb_clone+0x6ec/0x990 [ 90.186163] ? ip_output+0x5d0/0x5d0 [ 90.189857] tcp_transmit_skb+0x3db5/0x5350 [ 90.194165] __tcp_retransmit_skb+0x2fd6/0x4100 [ 90.198821] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 90.204252] ? bictcp_state+0x1ba/0x2a0 [ 90.208210] tcp_retransmit_skb+0xa6/0x480 [ 90.212426] tcp_retransmit_timer+0x21f9/0x4280 [ 90.217088] tcp_write_timer_handler+0x5c2/0xef0 [ 90.221823] ? call_timer_fn+0x280/0x5d0 [ 90.225866] tcp_write_timer+0x12b/0x280 [ 90.229908] call_timer_fn+0x280/0x5d0 [ 90.233775] ? tcp_init_xmit_timers+0xd0/0xd0 [ 90.238266] __run_timers+0xd96/0x11b0 [ 90.242141] ? tcp_init_xmit_timers+0xd0/0xd0 [ 90.246617] ? irq_exit+0x202/0x240 [ 90.250223] ? run_timer_softirq+0x14/0x70 [ 90.254435] ? timers_dead_cpu+0x1010/0x1010 [ 90.258820] run_timer_softirq+0x43/0x70 [ 90.262874] __do_softirq+0x592/0x979 [ 90.266658] irq_exit+0x202/0x240 [ 90.270092] exiting_irq+0xe/0x10 [ 90.273526] smp_apic_timer_interrupt+0x64/0x90 [ 90.278184] apic_timer_interrupt+0xf/0x20 [ 90.282408] [ 90.284634] RIP: 0010:default_idle+0x20b/0x3e0 [ 90.289197] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 90.296884] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 90.304142] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 90.311478] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 90.318735] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 90.326093] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 90.333358] ? __cpuidle_text_start+0x8/0x8 [ 90.337662] ? __cpuidle_text_start+0x8/0x8 [ 90.341974] arch_cpu_idle+0x26/0x30 [ 90.345675] do_idle+0x36d/0x830 [ 90.349032] cpu_startup_entry+0x45/0x50 [ 90.353095] rest_init+0x1c1/0x1f0 [ 90.356635] ? hpet_time_init+0xb0/0xe0 [ 90.360588] start_kernel+0x1110/0x1120 [ 90.364543] x86_64_start_kernel+0xe4/0xf0 [ 90.368759] secondary_startup_64+0xa5/0xb0 [ 90.373154] Uninit was stored to memory at: [ 90.377459] kmsan_internal_chain_origin+0x12b/0x210 [ 90.382541] __msan_chain_origin+0x69/0xc0 [ 90.386756] dev_hard_start_xmit+0x679/0xc80 [ 90.391145] __dev_queue_xmit+0x2ad2/0x3540 [ 90.395453] dev_queue_xmit+0x4b/0x60 [ 90.399233] neigh_direct_output+0x42/0x50 [ 90.403449] ip_finish_output2+0x1354/0x1480 [ 90.407843] ip_finish_output+0xcbc/0x1000 [ 90.412057] ip_output+0x505/0x5d0 [ 90.415585] ip_queue_xmit+0x1b0f/0x1d00 [ 90.419629] tcp_transmit_skb+0x3db5/0x5350 [ 90.423933] __tcp_retransmit_skb+0x2fd6/0x4100 [ 90.428590] tcp_retransmit_skb+0xa6/0x480 [ 90.432802] tcp_retransmit_timer+0x21f9/0x4280 [ 90.437451] tcp_write_timer_handler+0x5c2/0xef0 [ 90.442201] tcp_write_timer+0x12b/0x280 [ 90.446241] call_timer_fn+0x280/0x5d0 [ 90.450131] __run_timers+0xd96/0x11b0 [ 90.453997] run_timer_softirq+0x43/0x70 [ 90.458052] __do_softirq+0x592/0x979 [ 90.461829] [ 90.463429] Uninit was stored to memory at: [ 90.467734] kmsan_internal_chain_origin+0x12b/0x210 [ 90.472815] __msan_chain_origin+0x69/0xc0 [ 90.477037] __skb_clone+0x8a2/0x990 [ 90.480740] skb_clone+0x3e8/0x590 [ 90.484259] tcp_transmit_skb+0x3e4/0x5350 [ 90.488474] __tcp_retransmit_skb+0x2fd6/0x4100 [ 90.493120] tcp_retransmit_skb+0xa6/0x480 [ 90.497342] tcp_retransmit_timer+0x21f9/0x4280 [ 90.501989] tcp_write_timer_handler+0x5c2/0xef0 [ 90.506725] tcp_write_timer+0x12b/0x280 [ 90.510776] call_timer_fn+0x280/0x5d0 [ 90.514642] __run_timers+0xd96/0x11b0 [ 90.518515] run_timer_softirq+0x43/0x70 [ 90.522565] __do_softirq+0x592/0x979 [ 90.526339] [ 90.527942] Uninit was stored to memory at: [ 90.532244] kmsan_internal_chain_origin+0x12b/0x210 [ 90.537587] __msan_chain_origin+0x69/0xc0 [ 90.541800] __skb_clone+0x95b/0x990 [ 90.545492] skb_clone+0x3e8/0x590 [ 90.549032] __skb_tstamp_tx+0x394/0x1100 [ 90.553162] skb_tstamp_tx+0x9c/0xc0 [ 90.556855] loopback_xmit+0x112/0x730 [ 90.560729] dev_hard_start_xmit+0x5f6/0xc80 [ 90.565114] __dev_queue_xmit+0x2ad2/0x3540 [ 90.569421] dev_queue_xmit+0x4b/0x60 [ 90.573220] ip_finish_output2+0x12a8/0x1480 [ 90.577605] ip_finish_output+0xcbc/0x1000 [ 90.581826] ip_output+0x505/0x5d0 [ 90.585343] ip_local_out+0x164/0x1d0 [ 90.589132] iptunnel_xmit+0x854/0xdb0 [ 90.593012] ip_tunnel_xmit+0x3422/0x37c0 [ 90.597156] ipip_tunnel_xmit+0x32b/0x4c0 [ 90.601296] dev_hard_start_xmit+0x5f6/0xc80 [ 90.605697] __dev_queue_xmit+0x2ad2/0x3540 [ 90.610015] dev_queue_xmit+0x4b/0x60 [ 90.613812] neigh_direct_output+0x42/0x50 [ 90.618040] ip_finish_output2+0x1354/0x1480 [ 90.622436] ip_finish_output+0xcbc/0x1000 [ 90.626649] ip_output+0x505/0x5d0 [ 90.630167] ip_queue_xmit+0x1b0f/0x1d00 [ 90.634211] tcp_transmit_skb+0x3db5/0x5350 [ 90.638519] tcp_write_xmit+0x2d81/0xb200 [ 90.642650] __tcp_push_pending_frames+0x124/0x400 [ 90.647554] tcp_push+0x803/0x8f0 [ 90.650984] tcp_sendmsg_locked+0x4eb1/0x6610 [ 90.655465] tcp_sendmsg+0xb2/0x100 [ 90.659080] inet_sendmsg+0x3fc/0x760 [ 90.662878] sock_write_iter+0x3bc/0x470 [ 90.666919] __vfs_write+0x808/0x9f0 [ 90.670611] vfs_write+0x467/0x8c0 [ 90.674137] __x64_sys_write+0x1bf/0x3e0 [ 90.678189] do_syscall_64+0x15b/0x230 [ 90.682066] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.687229] [ 90.688836] Uninit was stored to memory at: [ 90.693143] kmsan_internal_chain_origin+0x12b/0x210 [ 90.698225] __msan_chain_origin+0x69/0xc0 [ 90.702452] dev_hard_start_xmit+0x679/0xc80 [ 90.706839] __dev_queue_xmit+0x2ad2/0x3540 [ 90.711160] dev_queue_xmit+0x4b/0x60 [ 90.714941] ip_finish_output2+0x12a8/0x1480 [ 90.719330] ip_finish_output+0xcbc/0x1000 [ 90.723543] ip_output+0x505/0x5d0 [ 90.727059] ip_local_out+0x164/0x1d0 [ 90.730848] iptunnel_xmit+0x854/0xdb0 [ 90.734712] ip_tunnel_xmit+0x3422/0x37c0 [ 90.738838] ipip_tunnel_xmit+0x32b/0x4c0 [ 90.742968] dev_hard_start_xmit+0x5f6/0xc80 [ 90.747358] __dev_queue_xmit+0x2ad2/0x3540 [ 90.751684] dev_queue_xmit+0x4b/0x60 [ 90.755481] neigh_direct_output+0x42/0x50 [ 90.759696] ip_finish_output2+0x1354/0x1480 [ 90.764097] ip_finish_output+0xcbc/0x1000 [ 90.768310] ip_output+0x505/0x5d0 [ 90.771826] ip_queue_xmit+0x1b0f/0x1d00 [ 90.775867] tcp_transmit_skb+0x3db5/0x5350 [ 90.780168] tcp_write_xmit+0x2d81/0xb200 [ 90.784295] __tcp_push_pending_frames+0x124/0x400 [ 90.789206] tcp_push+0x803/0x8f0 [ 90.792645] tcp_sendmsg_locked+0x4eb1/0x6610 [ 90.797208] tcp_sendmsg+0xb2/0x100 [ 90.800811] inet_sendmsg+0x3fc/0x760 [ 90.804600] sock_write_iter+0x3bc/0x470 [ 90.808641] __vfs_write+0x808/0x9f0 [ 90.812334] vfs_write+0x467/0x8c0 [ 90.815853] __x64_sys_write+0x1bf/0x3e0 [ 90.819904] do_syscall_64+0x15b/0x230 [ 90.823772] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.828934] [ 90.830539] Uninit was stored to memory at: [ 90.834857] kmsan_internal_chain_origin+0x12b/0x210 [ 90.839938] __msan_chain_origin+0x69/0xc0 [ 90.844241] dev_hard_start_xmit+0x679/0xc80 [ 90.848627] __dev_queue_xmit+0x2ad2/0x3540 [ 90.852937] dev_queue_xmit+0x4b/0x60 [ 90.856726] neigh_direct_output+0x42/0x50 [ 90.860939] ip_finish_output2+0x1354/0x1480 [ 90.865335] ip_finish_output+0xcbc/0x1000 [ 90.869545] ip_output+0x505/0x5d0 [ 90.873070] ip_queue_xmit+0x1b0f/0x1d00 [ 90.877117] tcp_transmit_skb+0x3db5/0x5350 [ 90.881426] tcp_write_xmit+0x2d81/0xb200 [ 90.885554] __tcp_push_pending_frames+0x124/0x400 [ 90.890462] tcp_push+0x803/0x8f0 [ 90.893908] tcp_sendmsg_locked+0x4eb1/0x6610 [ 90.898383] tcp_sendmsg+0xb2/0x100 [ 90.901989] inet_sendmsg+0x3fc/0x760 [ 90.905772] sock_write_iter+0x3bc/0x470 [ 90.909811] __vfs_write+0x808/0x9f0 [ 90.913513] vfs_write+0x467/0x8c0 [ 90.917040] __x64_sys_write+0x1bf/0x3e0 [ 90.921084] do_syscall_64+0x15b/0x230 [ 90.924963] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.930125] [ 90.931738] Uninit was stored to memory at: [ 90.936048] kmsan_internal_chain_origin+0x12b/0x210 [ 90.941129] __msan_chain_origin+0x69/0xc0 [ 90.945346] __skb_clone+0x8a2/0x990 [ 90.949056] skb_clone+0x3e8/0x590 [ 90.952583] tcp_transmit_skb+0x3e4/0x5350 [ 90.956798] tcp_write_xmit+0x2d81/0xb200 [ 90.960925] __tcp_push_pending_frames+0x124/0x400 [ 90.965834] tcp_push+0x803/0x8f0 [ 90.969266] tcp_sendmsg_locked+0x4eb1/0x6610 [ 90.973751] tcp_sendmsg+0xb2/0x100 [ 90.977357] inet_sendmsg+0x3fc/0x760 [ 90.981148] sock_write_iter+0x3bc/0x470 [ 90.985202] __vfs_write+0x808/0x9f0 [ 90.988898] vfs_write+0x467/0x8c0 [ 90.992425] __x64_sys_write+0x1bf/0x3e0 [ 90.996465] do_syscall_64+0x15b/0x230 [ 91.000331] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.005492] [ 91.007101] Uninit was stored to memory at: [ 91.011403] kmsan_internal_chain_origin+0x12b/0x210 [ 91.016482] __msan_chain_origin+0x69/0xc0 [ 91.020696] __alloc_skb+0x949/0x9e0 [ 91.024388] sk_stream_alloc_skb+0x17c/0xcf0 [ 91.028785] tcp_sendmsg_locked+0x237e/0x6610 [ 91.033259] tcp_sendmsg+0xb2/0x100 [ 91.036863] inet_sendmsg+0x3fc/0x760 [ 91.040642] sock_write_iter+0x3bc/0x470 [ 91.044680] __vfs_write+0x808/0x9f0 [ 91.048369] vfs_write+0x467/0x8c0 [ 91.051887] __x64_sys_write+0x1bf/0x3e0 [ 91.055937] do_syscall_64+0x15b/0x230 [ 91.059811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.064971] [ 91.066579] Uninit was created at: [ 91.070099] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 91.075182] kmsan_kmalloc+0x94/0x100 [ 91.078965] kmsan_slab_alloc+0x10/0x20 [ 91.082931] kmem_cache_alloc_node+0x8af/0xc80 [ 91.087496] __alloc_skb+0x202/0x9e0 [ 91.091204] sk_stream_alloc_skb+0x17c/0xcf0 [ 91.095589] tcp_sendmsg_locked+0x237e/0x6610 [ 91.100060] tcp_sendmsg+0xb2/0x100 [ 91.103666] inet_sendmsg+0x3fc/0x760 [ 91.107457] sock_write_iter+0x3bc/0x470 [ 91.111506] __vfs_write+0x808/0x9f0 [ 91.115199] vfs_write+0x467/0x8c0 [ 91.118718] __x64_sys_write+0x1bf/0x3e0 [ 91.122847] do_syscall_64+0x15b/0x230 [ 91.126714] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2018/06/27 03:13:05 executed programs: 1174 [ 95.732763] ================================================================== [ 95.740165] BUG: KMSAN: uninit-value in __kmalloc_node_track_caller+0xe71/0x11b0 [ 95.747685] CPU: 0 PID: 9945 Comm: syz-executor0 Not tainted 4.17.0+ #9 [ 95.754417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.763750] Call Trace: [ 95.766326] dump_stack+0x185/0x1d0 [ 95.769949] kmsan_report+0x188/0x2a0 [ 95.773733] __msan_warning_32+0x70/0xc0 [ 95.777778] __kmalloc_node_track_caller+0xe71/0x11b0 [ 95.782955] ? sk_stream_alloc_skb+0x17c/0xcf0 [ 95.787525] __alloc_skb+0x2cb/0x9e0 [ 95.791222] ? sk_stream_alloc_skb+0x17c/0xcf0 [ 95.795787] ? tcp_v4_md5_lookup+0x3c7/0x420 [ 95.800180] sk_stream_alloc_skb+0x17c/0xcf0 [ 95.804580] tcp_sendmsg_locked+0x237e/0x6610 [ 95.809076] ? __msan_poison_alloca+0x15c/0x1d0 [ 95.813739] tcp_sendmsg+0xb2/0x100 [ 95.817349] ? tcp_sendmsg_locked+0x6610/0x6610 [ 95.822007] inet_sendmsg+0x3fc/0x760 [ 95.825798] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 95.831145] ? inet_getname+0x4a0/0x4a0 [ 95.835100] sock_write_iter+0x3bc/0x470 [ 95.839148] ? sock_read_iter+0x480/0x480 [ 95.843279] __vfs_write+0x808/0x9f0 [ 95.846980] vfs_write+0x467/0x8c0 [ 95.850518] __x64_sys_write+0x1bf/0x3e0 [ 95.854566] ? ksys_write+0x360/0x360 [ 95.858348] do_syscall_64+0x15b/0x230 [ 95.862224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.867395] RIP: 0033:0x455a99 [ 95.870567] RSP: 002b:00007f2cfea99c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.878257] RAX: ffffffffffffffda RBX: 00007f2cfea9a6d4 RCX: 0000000000455a99 [ 95.885508] RDX: 0000000000000002 RSI: 0000000020000400 RDI: 0000000000000004 [ 95.892758] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 95.900015] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 95.907294] R13: 00000000004c2607 R14: 00000000004d3cb0 R15: 0000000000000000 [ 95.914547] [ 95.916154] Uninit was stored to memory at: [ 95.920462] kmsan_internal_chain_origin+0x12b/0x210 [ 95.925548] kmsan_memcpy_origins+0x11d/0x170 [ 95.930027] __msan_memcpy+0x109/0x160 [ 95.933901] pskb_expand_head+0x3a6/0x1a70 [ 95.938117] ip_tunnel_xmit+0x3117/0x37c0 [ 95.942259] ipip_tunnel_xmit+0x32b/0x4c0 [ 95.946391] dev_hard_start_xmit+0x5f6/0xc80 [ 95.950780] __dev_queue_xmit+0x2ad2/0x3540 [ 95.955085] dev_queue_xmit+0x4b/0x60 [ 95.958869] neigh_direct_output+0x42/0x50 [ 95.963083] ip_finish_output2+0x1354/0x1480 [ 95.967471] ip_finish_output+0xcbc/0x1000 [ 95.971686] ip_output+0x505/0x5d0 [ 95.975209] ip_queue_xmit+0x1b0f/0x1d00 [ 95.979256] tcp_transmit_skb+0x3db5/0x5350 [ 95.983560] __tcp_retransmit_skb+0x2fd6/0x4100 [ 95.988219] tcp_retransmit_skb+0xa6/0x480 [ 95.992445] tcp_retransmit_timer+0x21f9/0x4280 [ 95.997105] tcp_write_timer_handler+0x5c2/0xef0 [ 96.001846] tcp_write_timer+0x12b/0x280 [ 96.005905] call_timer_fn+0x280/0x5d0 [ 96.009775] __run_timers+0xd96/0x11b0 [ 96.013644] run_timer_softirq+0x43/0x70 [ 96.017689] __do_softirq+0x592/0x979 [ 96.021464] [ 96.023069] Uninit was stored to memory at: [ 96.027374] kmsan_internal_chain_origin+0x12b/0x210 [ 96.032458] kmsan_memcpy_origins+0x11d/0x170 [ 96.036934] __msan_memcpy+0x109/0x160 [ 96.040804] pskb_expand_head+0x3a6/0x1a70 [ 96.045029] __tcp_retransmit_skb+0xfdb/0x4100 [ 96.049595] tcp_retransmit_skb+0xa6/0x480 [ 96.053814] tcp_retransmit_timer+0x21f9/0x4280 [ 96.058476] tcp_write_timer_handler+0x5c2/0xef0 [ 96.063217] tcp_write_timer+0x12b/0x280 [ 96.067272] call_timer_fn+0x280/0x5d0 [ 96.071229] __run_timers+0xd96/0x11b0 [ 96.075103] run_timer_softirq+0x43/0x70 [ 96.079146] __do_softirq+0x592/0x979 [ 96.082923] [ 96.084528] Uninit was created at: [ 96.088052] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 96.093136] kmsan_kmalloc+0x94/0x100 [ 96.096918] kmsan_slab_alloc+0x10/0x20 [ 96.100876] __kmalloc_node_track_caller+0xb35/0x11b0 [ 96.106064] __alloc_skb+0x2cb/0x9e0 [ 96.109760] sk_stream_alloc_skb+0x17c/0xcf0 [ 96.114740] tcp_sendmsg_locked+0x237e/0x6610 [ 96.119216] tcp_sendmsg+0xb2/0x100 [ 96.122828] inet_sendmsg+0x3fc/0x760 [ 96.126611] sock_write_iter+0x3bc/0x470 [ 96.130655] __vfs_write+0x808/0x9f0 [ 96.134349] vfs_write+0x467/0x8c0 [ 96.137880] __x64_sys_write+0x1bf/0x3e0 [ 96.141939] do_syscall_64+0x15b/0x230 [ 96.145811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.150977] ================================================================== [ 96.158312] Disabling lock debugging due to kernel taint [ 96.163745] Kernel panic - not syncing: panic_on_warn set ... [ 96.163745] [ 96.171092] CPU: 0 PID: 9945 Comm: syz-executor0 Tainted: G B 4.17.0+ #9 [ 96.179210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.188557] Call Trace: [ 96.191130] dump_stack+0x185/0x1d0 [ 96.194745] panic+0x3d0/0x990 [ 96.197941] kmsan_report+0x29e/0x2a0 [ 96.201726] __msan_warning_32+0x70/0xc0 [ 96.205772] __kmalloc_node_track_caller+0xe71/0x11b0 [ 96.210946] ? sk_stream_alloc_skb+0x17c/0xcf0 [ 96.215518] __alloc_skb+0x2cb/0x9e0 [ 96.219216] ? sk_stream_alloc_skb+0x17c/0xcf0 [ 96.223782] ? tcp_v4_md5_lookup+0x3c7/0x420 [ 96.228177] sk_stream_alloc_skb+0x17c/0xcf0 [ 96.232575] tcp_sendmsg_locked+0x237e/0x6610 [ 96.237062] ? __msan_poison_alloca+0x15c/0x1d0 [ 96.241725] tcp_sendmsg+0xb2/0x100 [ 96.245336] ? tcp_sendmsg_locked+0x6610/0x6610 [ 96.250016] inet_sendmsg+0x3fc/0x760 [ 96.253804] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 96.259152] ? inet_getname+0x4a0/0x4a0 [ 96.263118] sock_write_iter+0x3bc/0x470 [ 96.267162] ? sock_read_iter+0x480/0x480 [ 96.271291] __vfs_write+0x808/0x9f0 [ 96.274993] vfs_write+0x467/0x8c0 [ 96.278519] __x64_sys_write+0x1bf/0x3e0 [ 96.282561] ? ksys_write+0x360/0x360 [ 96.286340] do_syscall_64+0x15b/0x230 [ 96.290216] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.295393] RIP: 0033:0x455a99 [ 96.298563] RSP: 002b:00007f2cfea99c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.306251] RAX: ffffffffffffffda RBX: 00007f2cfea9a6d4 RCX: 0000000000455a99 [ 96.313508] RDX: 0000000000000002 RSI: 0000000020000400 RDI: 0000000000000004 [ 96.320762] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 96.328017] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 96.335279] R13: 00000000004c2607 R14: 00000000004d3cb0 R15: 0000000000000000 [ 96.343027] Dumping ftrace buffer: [ 96.346548] (ftrace buffer empty) [ 96.350237] Kernel Offset: disabled [ 96.353855] Rebooting in 86400 seconds..