INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. 2018/04/11 23:26:28 fuzzer started 2018/04/11 23:26:28 dialing manager at 10.128.0.26:41677 2018/04/11 23:26:34 kcov=true, comps=false 2018/04/11 23:26:37 executing program 0: r0 = socket$inet(0x2b, 0x1, 0x0) bind$inet(r0, &(0x7f0000000600)={0x2, 0x4e23, @multicast2=0xe0000002}, 0x10) connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23}, 0x10) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000001c0)='tls\x00', 0x190) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f00000004c0)={0x0, @rand_addr, @local}, &(0x7f0000000500)=0xc) 2018/04/11 23:26:37 executing program 2: r0 = socket$inet(0x2b, 0x1, 0x0) bind$inet(r0, &(0x7f00000005c0)={0x2, 0x4e23, @multicast2=0xe0000002}, 0x10) connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e23}, 0x10) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000001c0)='tls\x00', 0x190) 2018/04/11 23:26:37 executing program 7: r0 = socket$inet6(0xa, 0x8000000000000802, 0x0) sendmsg$inet_sctp(r0, &(0x7f0000a29000)={&(0x7f0000fc1fe4)=@in6={0xa, 0x4e22, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000001300)=[{&(0x7f0000001380)="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", 0x5a1}], 0x1}, 0x8000) writev(r0, &(0x7f0000fd4fb0)=[{&(0x7f0000fd2000)="488cdef8a4e81420b3a796f4", 0xc}], 0x1) 2018/04/11 23:26:37 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) getsockopt$inet6_int(r0, 0x29, 0x50, &(0x7f00005a2ffc), &(0x7f00000000c0)=0x2c5) 2018/04/11 23:26:37 executing program 4: mq_open(&(0x7f0000000180)='-$\x00', 0x43, 0x0, &(0x7f0000664fc0)) 2018/04/11 23:26:37 executing program 5: syz_emit_ethernet(0x66, &(0x7f0000000100)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "188e88", 0x30, 0x67, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@time_exceed={0x3, 0x0, 0x0, 0x0, [], {0x0, 0x6, '+FY', 0x0, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, @mcast1={0xff, 0x1, [], 0x1}}}}}}}}, &(0x7f0000001300)={0x2, 0x1}) 2018/04/11 23:26:37 executing program 6: perf_event_open(&(0x7f00000000c0)={0x2, 0x70, 0x3e6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000005000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000002000)={&(0x7f0000011fe4)={0x1c, 0x12, 0x301, 0x0, 0x0, {}, [@nested={0x8, 0x2e}]}, 0x1c}, 0x1}, 0x0) 2018/04/11 23:26:37 executing program 1: pipe2(&(0x7f0000000200)={0x0, 0x0}, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/wireless\x00') sendfile(r0, r1, &(0x7f000036b000), 0x7f) syzkaller login: [ 42.255686] ip (3808) used greatest stack depth: 54672 bytes left [ 42.793474] ip (3861) used greatest stack depth: 54560 bytes left [ 42.904323] ip (3874) used greatest stack depth: 54200 bytes left [ 43.807455] ip (3955) used greatest stack depth: 54160 bytes left [ 44.942779] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.094742] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.177443] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.220567] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.232963] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.322928] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.357860] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.385845] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.759853] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.808816] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.818469] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.968832] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.076145] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.186739] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.202312] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.209367] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.468926] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.475256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.488877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.521227] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.527421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.540546] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.620931] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.629219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.645572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.746147] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.752575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.762352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.791480] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.798331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.836135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.048409] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.054704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.070709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.101704] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.112865] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.122531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.144865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.171886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.206832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.270861] ================================================================== [ 56.278277] BUG: KMSAN: uninit-value in raw6_local_deliver+0x259/0x1ac0 [ 56.285027] CPU: 1 PID: 5035 Comm: syz-executor7 Not tainted 4.16.0+ #83 [ 56.291857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.301201] Call Trace: [ 56.303778] [ 56.305928] dump_stack+0x185/0x1d0 [ 56.309554] ? raw6_local_deliver+0x259/0x1ac0 [ 56.314137] kmsan_report+0x142/0x240 [ 56.317942] __msan_warning_32+0x6c/0xb0 [ 56.322008] ? ip6_input_finish+0x55c/0x2110 [ 56.326417] raw6_local_deliver+0x259/0x1ac0 [ 56.330834] ip6_input_finish+0x55c/0x2110 [ 56.335075] ? ip6table_filter_hook+0xb5/0xe0 [ 56.339575] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 56.344943] ip6_mc_input+0x697/0x740 [ 56.348747] ? ip6_input+0x320/0x320 [ 56.352463] ? ip6_input_finish+0x2110/0x2110 [ 56.356959] ipv6_rcv+0x20ec/0x26d0 [ 56.360584] ? local_bh_enable+0x40/0x40 [ 56.364646] __netif_receive_skb_core+0x47cf/0x4a80 [ 56.369660] ? kmsan_set_origin_inline+0x6b/0x120 [ 56.374502] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 56.380303] ? ip6_rcv_finish+0x4d0/0x4d0 [ 56.384448] process_backlog+0x62d/0xe20 [ 56.388511] ? rps_trigger_softirq+0x2f0/0x2f0 [ 56.393085] net_rx_action+0x7c1/0x1a70 [ 56.397059] ? net_tx_action+0xab0/0xab0 [ 56.401120] __do_softirq+0x56d/0x93d [ 56.404924] do_softirq_own_stack+0x2a/0x40 [ 56.409238] [ 56.411478] do_softirq+0xb6/0xf0 [ 56.414934] dev_loopback_xmit+0x8b0/0x900 [ 56.419172] ip6_finish_output2+0x5e6/0x1f20 [ 56.423581] ? validate_xmit_skb+0x1320/0x1320 [ 56.428166] ? ip6_fragment+0x327b/0x5150 [ 56.432319] ip6_fragment+0x32e6/0x5150 [ 56.436293] ? ip6_make_skb+0x1100/0x1100 [ 56.440457] ip6_finish_output+0x96c/0xc00 [ 56.444698] ip6_output+0x597/0x6c0 [ 56.448321] ? ip6_output+0x6c0/0x6c0 [ 56.452124] ? ac6_seq_show+0x200/0x200 [ 56.456094] ip6_local_out+0x573/0x640 [ 56.459982] ? __ip6_local_out+0x4f0/0x4f0 [ 56.464218] ip6_send_skb+0xfa/0x380 [ 56.467934] udp_v6_send_skb+0x116a/0x1880 [ 56.472177] udpv6_sendmsg+0x15f4/0x45b0 [ 56.476239] ? __msan_poison_alloca+0x15c/0x1d0 [ 56.480903] ? _cond_resched+0x3c/0xd0 [ 56.484788] ? rcu_all_qs+0x32/0x1f0 [ 56.488497] ? _cond_resched+0x3c/0xd0 [ 56.492386] ? futex_wait_queue_me+0x4ba/0x710 [ 56.496967] ? ip_copy_metadata+0xac0/0xac0 [ 56.501298] ? udpv6_queue_rcv_skb+0x1c60/0x1c60 [ 56.506056] inet_sendmsg+0x48d/0x740 [ 56.509856] ? security_socket_sendmsg+0x9e/0x210 [ 56.514700] ? inet_getname+0x500/0x500 [ 56.518677] sock_write_iter+0x3b9/0x470 [ 56.522748] ? sock_read_iter+0x480/0x480 [ 56.526889] do_iter_readv_writev+0x7bb/0x970 [ 56.531390] ? sock_read_iter+0x480/0x480 [ 56.535536] do_iter_write+0x30d/0xd40 [ 56.539423] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 56.544875] do_writev+0x3c9/0x830 [ 56.548421] ? syscall_return_slowpath+0xe9/0x700 [ 56.553266] SYSC_writev+0x9b/0xb0 [ 56.556805] SyS_writev+0x56/0x80 [ 56.560258] do_syscall_64+0x309/0x430 [ 56.564144] ? SYSC_readv+0xb0/0xb0 [ 56.567774] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 56.572959] RIP: 0033:0x455279 [ 56.576140] RSP: 002b:00007f692ca47c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 56.583845] RAX: ffffffffffffffda RBX: 00007f692ca486d4 RCX: 0000000000455279 [ 56.591106] RDX: 0000000000000001 RSI: 0000000020fd4fb0 RDI: 0000000000000013 [ 56.598365] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 56.605631] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 56.612893] R13: 00000000000006cd R14: 00000000006fd3d8 R15: 0000000000000000 [ 56.620159] [ 56.621775] Uninit was stored to memory at: [ 56.626091] kmsan_internal_chain_origin+0x12b/0x210 [ 56.631188] kmsan_memcpy_origins+0x11d/0x170 [ 56.635680] kmsan_memmove_origins+0x9/0x10 [ 56.639998] __msan_memmove+0xda/0x130 [ 56.643886] ipv6_frag_rcv+0x5055/0x6970 [ 56.647948] ip6_input_finish+0xa62/0x2110 [ 56.652185] ip6_mc_input+0x697/0x740 [ 56.655981] ipv6_rcv+0x20ec/0x26d0 [ 56.659604] __netif_receive_skb_core+0x47cf/0x4a80 [ 56.664618] process_backlog+0x62d/0xe20 [ 56.668673] net_rx_action+0x7c1/0x1a70 2018/04/11 23:26:54 executing program 5: syz_emit_ethernet(0x66, &(0x7f0000000100)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "188e88", 0x30, 0x67, 0x0, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@time_exceed={0x3, 0x0, 0x0, 0x0, [], {0x0, 0x6, '+FY', 0x0, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, @mcast1={0xff, 0x1, [], 0x1}}}}}}}}, &(0x7f0000001300)={0x2, 0x1}) 2018/04/11 23:26:54 executing program 5: 2018/04/11 23:26:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080)) clone(0x0, &(0x7f00000012c0), &(0x7f0000001240), &(0x7f0000001380), &(0x7f0000001280)) 2018/04/11 23:26:54 executing program 1: r0 = socket$kcm(0xa, 0x10000000003, 0x3a) sendmsg$kcm(r0, &(0x7f0000000280)={&(0x7f0000001640)=@nl=@unspec, 0x80, &(0x7f00000015c0)=[{&(0x7f0000002d80)="a6c10d4331", 0x5}], 0x1, &(0x7f0000001a00)=ANY=[]}, 0x0) [ 56.672643] __do_softirq+0x56d/0x93d [ 56.676429] Uninit was created at: [ 56.679964] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 56.685068] kmsan_kmalloc+0x94/0x100 [ 56.688863] kmsan_slab_alloc+0x11/0x20 [ 56.692834] __kmalloc_node_track_caller+0xaed/0x11c0 [ 56.698018] __alloc_skb+0x2cf/0x9f0 [ 56.701734] alloc_skb_with_frags+0x1d4/0xb20 [ 56.706229] sock_alloc_send_pskb+0xb56/0x1190 [ 56.711312] sock_alloc_send_skb+0xca/0xe0 [ 56.715545] __ip6_append_data+0x3387/0x4bb0 [ 56.719953] ip6_append_data+0x40e/0x6b0 [ 56.724009] udpv6_sendmsg+0xfd5/0x45b0 [ 56.727985] inet_sendmsg+0x48d/0x740 [ 56.731783] ___sys_sendmsg+0xec0/0x1310 [ 56.735840] SYSC_sendmsg+0x2a3/0x3d0 [ 56.739640] SyS_sendmsg+0x54/0x80 [ 56.743179] do_syscall_64+0x309/0x430 [ 56.747067] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 56.752246] ================================================================== [ 56.759592] Disabling lock debugging due to kernel taint [ 56.765034] Kernel panic - not syncing: panic_on_warn set ... [ 56.765034] [ 56.772399] CPU: 1 PID: 5035 Comm: syz-executor7 Tainted: G B 4.16.0+ #83 [ 56.780531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.789875] Call Trace: [ 56.792450] [ 56.794598] dump_stack+0x185/0x1d0 [ 56.798221] panic+0x39d/0x940 [ 56.801428] ? raw6_local_deliver+0x259/0x1ac0 [ 56.806007] kmsan_report+0x238/0x240 [ 56.809811] __msan_warning_32+0x6c/0xb0 [ 56.813876] ? ip6_input_finish+0x55c/0x2110 [ 56.818284] raw6_local_deliver+0x259/0x1ac0 [ 56.822705] ip6_input_finish+0x55c/0x2110 [ 56.826945] ? ip6table_filter_hook+0xb5/0xe0 [ 56.831442] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 56.836812] ip6_mc_input+0x697/0x740 [ 56.840616] ? ip6_input+0x320/0x320 [ 56.844332] ? ip6_input_finish+0x2110/0x2110 [ 56.848823] ipv6_rcv+0x20ec/0x26d0 [ 56.852445] ? local_bh_enable+0x40/0x40 [ 56.856509] __netif_receive_skb_core+0x47cf/0x4a80 [ 56.861522] ? kmsan_set_origin_inline+0x6b/0x120 [ 56.866366] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 56.872167] ? ip6_rcv_finish+0x4d0/0x4d0 [ 56.876319] process_backlog+0x62d/0xe20 [ 56.880384] ? rps_trigger_softirq+0x2f0/0x2f0 [ 56.884963] net_rx_action+0x7c1/0x1a70 [ 56.888942] ? net_tx_action+0xab0/0xab0 [ 56.893007] __do_softirq+0x56d/0x93d [ 56.896813] do_softirq_own_stack+0x2a/0x40 [ 56.901128] [ 56.903364] do_softirq+0xb6/0xf0 [ 56.906817] dev_loopback_xmit+0x8b0/0x900 [ 56.911056] ip6_finish_output2+0x5e6/0x1f20 [ 56.915456] ? validate_xmit_skb+0x1320/0x1320 [ 56.920023] ? ip6_fragment+0x327b/0x5150 [ 56.924164] ip6_fragment+0x32e6/0x5150 [ 56.928122] ? ip6_make_skb+0x1100/0x1100 [ 56.932270] ip6_finish_output+0x96c/0xc00 [ 56.936494] ip6_output+0x597/0x6c0 [ 56.940108] ? ip6_output+0x6c0/0x6c0 [ 56.943896] ? ac6_seq_show+0x200/0x200 [ 56.947855] ip6_local_out+0x573/0x640 [ 56.951727] ? __ip6_local_out+0x4f0/0x4f0 [ 56.955952] ip6_send_skb+0xfa/0x380 [ 56.959654] udp_v6_send_skb+0x116a/0x1880 [ 56.963877] udpv6_sendmsg+0x15f4/0x45b0 [ 56.967923] ? __msan_poison_alloca+0x15c/0x1d0 [ 56.972576] ? _cond_resched+0x3c/0xd0 [ 56.976446] ? rcu_all_qs+0x32/0x1f0 [ 56.980139] ? _cond_resched+0x3c/0xd0 [ 56.984012] ? futex_wait_queue_me+0x4ba/0x710 [ 56.988583] ? ip_copy_metadata+0xac0/0xac0 [ 56.992893] ? udpv6_queue_rcv_skb+0x1c60/0x1c60 [ 56.997628] inet_sendmsg+0x48d/0x740 [ 57.001414] ? security_socket_sendmsg+0x9e/0x210 [ 57.006242] ? inet_getname+0x500/0x500 [ 57.010200] sock_write_iter+0x3b9/0x470 [ 57.014249] ? sock_read_iter+0x480/0x480 [ 57.018376] do_iter_readv_writev+0x7bb/0x970 [ 57.022857] ? sock_read_iter+0x480/0x480 [ 57.026989] do_iter_write+0x30d/0xd40 [ 57.030860] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 57.036295] do_writev+0x3c9/0x830 [ 57.039822] ? syscall_return_slowpath+0xe9/0x700 [ 57.044649] SYSC_writev+0x9b/0xb0 [ 57.048172] SyS_writev+0x56/0x80 [ 57.051605] do_syscall_64+0x309/0x430 [ 57.055475] ? SYSC_readv+0xb0/0xb0 [ 57.059085] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 57.064254] RIP: 0033:0x455279 [ 57.067426] RSP: 002b:00007f692ca47c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 57.075114] RAX: ffffffffffffffda RBX: 00007f692ca486d4 RCX: 0000000000455279 [ 57.082365] RDX: 0000000000000001 RSI: 0000000020fd4fb0 RDI: 0000000000000013 [ 57.089616] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 57.096867] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 57.104116] R13: 00000000000006cd R14: 00000000006fd3d8 R15: 0000000000000000 [ 57.111861] Dumping ftrace buffer: [ 57.115380] (ftrace buffer empty) [ 57.119063] Kernel Offset: disabled [ 57.122663] Rebooting in 86400 seconds..