[....] 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[ 6.437028] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.863830] random: sshd: uninitialized urandom read (32 bytes read) [ 21.245587] random: sshd: uninitialized urandom read (32 bytes read) [ 21.511747] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. [ 27.038311] urandom_read: 1 callbacks suppressed [ 27.038313] random: sshd: uninitialized urandom read (32 bytes read) 2018/08/09 23:01:36 parsed 1 programs [ 28.054679] random: cc1: uninitialized urandom read (8 bytes read) 2018/08/09 23:01:38 executed programs: 0 [ 29.075709] IPVS: ftp: loaded support on port[0] = 21 [ 29.086473] IPVS: ftp: loaded support on port[0] = 21 [ 29.087524] IPVS: ftp: loaded support on port[0] = 21 [ 29.098632] IPVS: ftp: loaded support on port[0] = 21 [ 29.100336] IPVS: ftp: loaded support on port[0] = 21 [ 29.113166] IPVS: ftp: loaded support on port[0] = 21 [ 29.114268] IPVS: ftp: loaded support on port[0] = 21 [ 29.120416] IPVS: ftp: loaded support on port[0] = 21 [ 29.198392] ip (4201) used greatest stack depth: 10392 bytes left [ 29.260361] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.266703] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.275041] device bridge_slave_0 entered promiscuous mode [ 29.281677] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.288013] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.294732] device bridge_slave_0 entered promiscuous mode [ 29.300927] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.307249] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.314319] device bridge_slave_0 entered promiscuous mode [ 29.322169] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.328490] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.336743] device bridge_slave_1 entered promiscuous mode [ 29.342511] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.348839] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.355304] device bridge_slave_0 entered promiscuous mode [ 29.361323] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.367639] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.374163] device bridge_slave_1 entered promiscuous mode [ 29.381524] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.387882] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.395541] device bridge_slave_1 entered promiscuous mode [ 29.401662] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.409478] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.415806] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.422346] device bridge_slave_0 entered promiscuous mode [ 29.428532] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.435747] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.442069] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.448576] device bridge_slave_1 entered promiscuous mode [ 29.456571] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.463737] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.470852] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.477976] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.484308] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.490868] device bridge_slave_1 entered promiscuous mode [ 29.496678] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.504041] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.510390] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.516922] device bridge_slave_0 entered promiscuous mode [ 29.522705] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.529029] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.535656] device bridge_slave_0 entered promiscuous mode [ 29.541887] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.549345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.557134] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.565204] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.571701] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.578818] device bridge_slave_0 entered promiscuous mode [ 29.584839] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.591221] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.598179] device bridge_slave_1 entered promiscuous mode [ 29.605494] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.613461] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.619794] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.626822] device bridge_slave_1 entered promiscuous mode [ 29.633410] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.640216] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.646632] device bridge_slave_1 entered promiscuous mode [ 29.654845] ip (4383) used greatest stack depth: 10296 bytes left [ 29.655025] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.671096] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.679109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.686673] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.695807] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.703546] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.711414] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.718819] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.725836] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.733483] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.741549] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.749546] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.757513] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.768704] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.776405] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.790275] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.798483] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.809385] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.818438] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 29.829028] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.838911] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.851703] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 29.869713] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.878550] team0: Port device team_slave_0 added [ 29.883924] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.890712] team0: Port device team_slave_0 added [ 29.896104] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.902846] team0: Port device team_slave_0 added [ 29.908191] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.914945] team0: Port device team_slave_0 added [ 29.922212] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 29.929688] team0: Port device team_slave_1 added [ 29.936642] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 29.943364] team0: Port device team_slave_1 added [ 29.948322] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 29.955198] team0: Port device team_slave_1 added [ 29.961351] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 29.968209] team0: Port device team_slave_1 added [ 29.974812] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 29.981940] team0: Port device team_slave_0 added [ 29.988751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 29.998104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.006459] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.013209] team0: Port device team_slave_0 added [ 30.019802] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.026767] team0: Port device team_slave_0 added [ 30.032053] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.038827] team0: Port device team_slave_1 added [ 30.043875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.051183] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.058378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.066425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.073682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.081726] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.089503] team0: Port device team_slave_0 added [ 30.094753] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.101499] team0: Port device team_slave_1 added [ 30.106773] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.113669] team0: Port device team_slave_1 added [ 30.118720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.127018] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.133900] team0: Port device team_slave_1 added [ 30.142110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.151020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.158588] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.165729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.173148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.180346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.187558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.194976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.205452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.212909] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.221429] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.228769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.236213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.247892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.256758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.264278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.271704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.278844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.286306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.295118] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.302339] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.311178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.319139] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.326088] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.333475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.341812] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.349420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.356954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.365949] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 30.374838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.382527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.393282] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.400371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.408687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 30.456943] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.463276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.469755] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.476054] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.482890] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.490062] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.496593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.503445] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.509752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.516462] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.531465] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.537804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.544287] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.550629] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.557292] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.567680] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.574010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.580489] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.586789] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.593413] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.607172] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.613580] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.620087] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.626386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.632965] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.642581] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.648901] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.655380] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.661673] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.668267] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.675084] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.681412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.687890] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.694184] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.700881] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.709363] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.715689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.722166] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.728462] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.735169] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.980567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.993696] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.002990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.020290] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.036754] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.046459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.052958] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.059883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.068226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.075867] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.087066] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.095854] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.103178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.109984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.117060] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.129069] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.136752] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.142819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.149514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.157861] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.164381] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.170568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.177679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.185715] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.193516] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.202650] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.210438] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.217960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.225109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.234579] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.247595] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.253690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.261461] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.268776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.275594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.282355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.289154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.295919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.302674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 31.309431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.315995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.324921] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.336324] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.342470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.349145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.356897] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.363462] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.370292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.377692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.384472] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 31.392384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 31.399171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.416111] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.429245] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.437586] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.444169] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.630229] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt() [ 31.643466] CPU: 0 PID: 6092 Comm: syz-executor3 Not tainted 4.18.0-rc8+ #32 [ 31.650648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.659984] Call Trace: [ 31.662554] [ 31.664688] dump_stack+0xae/0xf0 [ 31.667179] dccp_close: ABORT with 8428 bytes unread [ 31.668119] tfrc_rx_hist_sample_rtt+0x163/0x1c0 [ 31.668123] ccid3_hc_rx_packet_recv+0x2e4/0x490 [ 31.668125] ? ccid3_hc_tx_exit+0x40/0x40 [ 31.668130] dccp_rcv_established+0xf0/0x170 [ 31.668135] dccp_v4_do_rcv+0x39/0x80 [ 31.694949] __sk_receive_skb+0x170/0x2e0 [ 31.699073] dccp_v4_rcv+0x7b5/0x820 [ 31.702762] ip_local_deliver_finish+0x1cd/0x2d0 [ 31.707502] ? ip_local_deliver+0xba/0xf0 [ 31.711626] ip_local_deliver+0xce/0xf0 [ 31.715577] ? ip_local_deliver+0xf0/0xf0 [ 31.719699] ip_rcv_finish+0x3b3/0x550 [ 31.723560] ? nf_hook_slow+0xa4/0x100 [ 31.727422] ip_rcv+0x301/0x400 [ 31.730686] ? ip_rcv+0x400/0x400 [ 31.734114] __netif_receive_skb_core+0xc54/0xec0 [ 31.738953] ? scheduler_tick+0xf3/0x110 [ 31.743004] process_backlog+0x16f/0x2b0 [ 31.747045] net_rx_action+0x1df/0x540 [ 31.750908] __do_softirq+0x1a6/0x2ef [ 31.754715] do_softirq_own_stack+0x2a/0x40 [ 31.759952] [ 31.762170] __local_bh_enable_ip+0x8c/0xb0 [ 31.766467] local_bh_enable+0x1f/0x30 [ 31.770333] ip_finish_output2+0x378/0x410 [ 31.774540] ip_finish_output+0x28d/0x2d0 [ 31.778665] ip_output+0xbc/0xe0 [ 31.782004] ? ip_mc_finish_output+0xc0/0xc0 [ 31.786388] ip_queue_xmit+0x43b/0x460 [ 31.790251] dccp_transmit_skb+0x485/0x4d0 [ 31.794459] dccp_xmit_packet+0x155/0x1e0 [ 31.798579] dccp_write_xmit+0xb4/0x150 [ 31.802531] dccp_sendmsg+0x37b/0x3e0 [ 31.806330] inet_sendmsg+0xf5/0x170 [ 31.810030] ___sys_sendmsg+0x240/0x330 [ 31.813980] ? __fget_light+0x134/0x170 [ 31.817945] ? prepare_exit_to_usermode+0x68/0x170 [ 31.822851] __x64_sys_sendmsg+0x9f/0xf0 [ 31.826885] do_syscall_64+0x61/0x90 [ 31.830574] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.835752] RIP: 0033:0x457089 [ 31.838916] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 31.857928] RSP: 002b:00007fa1647bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 31.865622] RAX: ffffffffffffffda RBX: 00007fa1647c06d4 RCX: 0000000000457089 [ 31.872892] RDX: 0000000004000080 RSI: 00000000200030c0 RDI: 0000000000000005 [ 31.880135] RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000 [ 31.887378] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 31.894628] R13: 00000000004d3cc0 R14: 00000000004c896e R15: 0000000000000002 [ 31.902139] dccp_close: ABORT with 8302 bytes unread [ 31.903526] dccp_close: ABORT with 4214 bytes unread [ 31.911185] dccp_close: ABORT with 8428 bytes unread [ 31.971257] dccp_close: ABORT with 8428 bytes unread [ 31.983226] dccp_close: ABORT with 8428 bytes unread [ 31.988407] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt() [ 31.992369] dccp_close: ABORT with 8428 bytes unread [ 32.001587] CPU: 1 PID: 6182 Comm: syz-executor6 Not tainted 4.18.0-rc8+ #32 [ 32.001589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.001590] Call Trace: [ 32.001592] [ 32.001599] dump_stack+0xae/0xf0 [ 32.001604] tfrc_rx_hist_sample_rtt+0x163/0x1c0 [ 32.001607] ccid3_hc_rx_packet_recv+0x2e4/0x490 [ 32.001611] ? dccp_rcv_reset+0xdd/0xf0 [ 32.001616] ? ccid3_hc_tx_exit+0x40/0x40 [ 32.048825] dccp_rcv_established+0xf0/0x170 [ 32.053212] dccp_v4_do_rcv+0x39/0x80 [ 32.056996] __sk_receive_skb+0x170/0x2e0 [ 32.061121] dccp_v4_rcv+0x7b5/0x820 [ 32.064811] ip_local_deliver_finish+0x1cd/0x2d0 [ 32.069557] ? ip_local_deliver+0xba/0xf0 [ 32.073680] ip_local_deliver+0xce/0xf0 [ 32.077628] ? ip_local_deliver+0xf0/0xf0 [ 32.081753] ip_rcv_finish+0x3b3/0x550 [ 32.085664] ? nf_hook_slow+0xa4/0x100 [ 32.089524] ip_rcv+0x301/0x400 [ 32.092781] ? ip_rcv+0x400/0x400 [ 32.096211] __netif_receive_skb_core+0xc54/0xec0 [ 32.101028] ? delayed_work_timer_fn+0x1d/0x20 [ 32.105591] ? call_timer_fn+0x139/0x1c0 [ 32.109628] ? __run_timers+0x415/0x4b0 [ 32.113579] process_backlog+0x16f/0x2b0 [ 32.117617] net_rx_action+0x1df/0x540 [ 32.121480] __do_softirq+0x1a6/0x2ef [ 32.125255] ? hrtimer_interrupt+0x470/0x4f0 [ 32.129636] do_softirq_own_stack+0x2a/0x40 [ 32.133930] [ 32.136142] __local_bh_enable_ip+0x8c/0xb0 [ 32.140451] local_bh_enable+0x1f/0x30 [ 32.144312] ip_finish_output2+0x378/0x410 [ 32.148524] ip_finish_output+0x28d/0x2d0 [ 32.152655] ip_output+0xbc/0xe0 [ 32.155998] ? ip_mc_finish_output+0xc0/0xc0 [ 32.160381] ip_queue_xmit+0x43b/0x460 [ 32.164246] dccp_transmit_skb+0x485/0x4d0 [ 32.168454] dccp_xmit_packet+0x155/0x1e0 [ 32.172577] dccp_write_xmit+0xb4/0x150 [ 32.176530] dccp_sendmsg+0x37b/0x3e0 [ 32.180310] inet_sendmsg+0xf5/0x170 [ 32.184003] ___sys_sendmsg+0x240/0x330 [ 32.187956] ? __fget_light+0x134/0x170 [ 32.191906] ? prepare_exit_to_usermode+0x68/0x170 [ 32.196813] __x64_sys_sendmsg+0x9f/0xf0 [ 32.200849] do_syscall_64+0x61/0x90 [ 32.204537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 32.209700] RIP: 0033:0x457089 [ 32.212862] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 32.231894] RSP: 002b:00007f17e277ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.239576] RAX: ffffffffffffffda RBX: 00007f17e277b6d4 RCX: 0000000000457089 [ 32.246825] RDX: 0000000004000080 RSI: 00000000200030c0 RDI: 0000000000000005 [ 32.254068] RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000 [ 32.261315] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 32.268558] R13: 00000000004d3cc0 R14: 00000000004c896e R15: 0000000000000002 [ 32.276046] dccp_close: ABORT with 8302 bytes unread 2018/08/09 23:01:43 executed programs: 32