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 '10.128.10.23' (ECDSA) to the list of known hosts. 2018/04/13 20:10:30 fuzzer started 2018/04/13 20:10:31 dialing manager at 10.128.0.26:33379 2018/04/13 20:10:37 kcov=true, comps=false 2018/04/13 20:10:40 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000080)={0x11, @empty, 0x0, 0x0, 'rr\x00', 0x1f, 0x101, 0x6a}, 0x2c) 2018/04/13 20:10:40 executing program 2: io_setup(0x2, &(0x7f0000000080)) io_setup(0xff, &(0x7f0000000140)) io_setup(0x8, &(0x7f0000000180)) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x9, &(0x7f00000001c0)) io_setup(0x100000001, &(0x7f0000000200)) 2018/04/13 20:10:40 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) pwrite64(r0, &(0x7f0000000000), 0x0, 0x0) 2018/04/13 20:10:40 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000eb9fff), 0xfffffd65, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = accept4(r0, &(0x7f0000c71000)=@alg, &(0x7f0000715ffc)=0x58, 0x0) sendmsg$FOU_CMD_GET(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000400)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) connect$unix(r2, &(0x7f0000000000)=@abs, 0x6e) recvfrom(r1, &(0x7f00000001c0)=""/154, 0x9a, 0x40000140, 0x0, 0x0) 2018/04/13 20:10:40 executing program 3: r0 = socket$inet6(0xa, 0x2000000000001, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0xfffffffffffffffd}, 0x1c) 2018/04/13 20:10:40 executing program 4: syz_emit_ethernet(0x1, &(0x7f0000000140)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa0806000186aaaaaaaaaaaa02000000000000000000000000000001aaaaaaaaaaaa0000000000000000000000000000000000000000004beb2c6a13769d28801347dec56c0f053d8788f28a85606c7265662eba0a04328108ff6056d39564a4d5ac722f7c1b2e47679ff1d5921cdbb3bd5ef691eded0f10b0564946929d654d853527576d0ed44c476d336bd119d2fafeb025c6c7100000247fe8cb4d3bcc7ce3ef52226c480064514b5679c4a2d3f8355ddcd4b982e4c9dc1e5afd98bbd98da8e0510defc5a861d76e85e01864bf7dc9723a823f5d2282b7628b85bff661"], &(0x7f0000000000)={0x0, 0x0, [0x0, 0x0, 0x0, 0xfffffffffffffffa]}) 2018/04/13 20:10:40 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000000), 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000740), &(0x7f0000000780)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}}}}, &(0x7f0000000880)=0x90) ioctl$sock_SIOCSIFBR(0xffffffffffffffff, 0x8941, &(0x7f0000000a40)=@get={0x1, &(0x7f00000009c0)=""/72}) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000340)=@in={0x2, 0x0, @broadcast=0xffffffff}, 0x10, &(0x7f00000006c0), 0x0, &(0x7f00000008c0)}, 0x0) getsockname(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tpv3in6, &(0x7f0000000040)=0x80) setsockopt$bt_l2cap_L2CAP_CONNINFO(0xffffffffffffffff, 0x6, 0x2, &(0x7f0000000140), 0x6) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000280)={&(0x7f0000000240)='./file0\x00'}, 0x10) 2018/04/13 20:10:40 executing program 6: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000001ac0)={r1, 0x1, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}, 0x10) syzkaller login: [ 43.019248] ip (3740) used greatest stack depth: 54672 bytes left [ 43.449648] ip (3778) used greatest stack depth: 54584 bytes left [ 43.715698] ip (3806) used greatest stack depth: 54408 bytes left [ 44.324006] ip (3864) used greatest stack depth: 54200 bytes left [ 44.973634] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.980204] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.022172] device bridge_slave_0 entered promiscuous mode [ 45.143639] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.150186] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.192453] device bridge_slave_0 entered promiscuous mode [ 45.223070] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.229581] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.261984] device bridge_slave_1 entered promiscuous mode [ 45.292673] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.299369] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.324586] device bridge_slave_0 entered promiscuous mode [ 45.342928] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.349478] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.375774] device bridge_slave_0 entered promiscuous mode [ 45.388389] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.394885] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.411471] device bridge_slave_0 entered promiscuous mode [ 45.424260] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.430773] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.446480] device bridge_slave_0 entered promiscuous mode [ 45.456939] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.463454] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.475606] device bridge_slave_1 entered promiscuous mode [ 45.484638] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.493743] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.500335] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.511996] device bridge_slave_0 entered promiscuous mode [ 45.531105] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.537718] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.565940] device bridge_slave_0 entered promiscuous mode [ 45.590125] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.596675] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.620101] device bridge_slave_1 entered promiscuous mode [ 45.628777] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.635285] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.650550] device bridge_slave_1 entered promiscuous mode [ 45.659230] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.665742] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.688791] device bridge_slave_1 entered promiscuous mode [ 45.697706] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.704323] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.725269] device bridge_slave_1 entered promiscuous mode [ 45.735296] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.746123] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.755700] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.762213] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.794822] device bridge_slave_1 entered promiscuous mode [ 45.812811] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.819348] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.853330] device bridge_slave_1 entered promiscuous mode [ 45.860527] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.869849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.880149] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.891073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.930165] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.987889] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.050073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.066706] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.076342] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.092014] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.111872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.213958] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.317706] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.707010] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.927079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.963135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.030865] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.047856] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.069572] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.175890] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.185737] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.204417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.216816] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.262807] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.322738] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.398826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.424587] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.432126] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.605755] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.875184] ip (4128) used greatest stack depth: 53656 bytes left [ 47.899484] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.096942] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.132139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.234111] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.272354] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.289420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.324091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.345735] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.356277] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.380790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.466677] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.475821] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.495430] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.508290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.553431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.579990] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.589263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.605862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.651627] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.658845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.678759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.705811] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.716488] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.731402] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.745333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.773825] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.781983] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.789952] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.800424] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.824732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.848375] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.873866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.889667] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.897199] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.909216] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.916946] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.956303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.979918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.997858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.024357] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.032225] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.040652] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.048652] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.059390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.090857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.119280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.148725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.168929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.177250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.204630] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.223772] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.233105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.261492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.300864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.335851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.362647] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.373339] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.406499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.426970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.454799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.467989] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.508124] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.520171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.546789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.157504] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.164128] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.170994] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.177476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.228012] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.236163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.281235] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.287749] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.297492] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.303989] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.410927] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.432892] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.439395] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.446315] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.452817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.467740] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.483476] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.489974] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.496870] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.503359] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.550960] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.585782] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.592306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.599261] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.605769] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.670403] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.743096] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.749622] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.756539] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.763051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.826018] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.886794] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.893317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.900285] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.906794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.955756] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.982919] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.989433] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.996398] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.002879] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.085947] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.256795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.273627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.296710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.315675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.323258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.331360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.338984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.652896] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.683187] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.697710] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.838527] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.177280] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.237365] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.449155] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.455502] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.462914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.505643] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.512863] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.519772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.544836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.568494] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.589287] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.595564] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.610367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.818732] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.825163] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.834644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.962892] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.969248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.980689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.069544] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.075911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.089663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.358559] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.364889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.376195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.414239] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.420537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.433241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.067823] device bridge0 entered promiscuous mode 2018/04/13 20:11:07 executing program 6: [ 67.215202] device bridge0 left promiscuous mode 2018/04/13 20:11:07 executing program 6: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) sendto$inet6(r0, &(0x7f0000000080)="7b2c50c24a175ccb8a1b5befd052b52a67855e", 0x13, 0x0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x2}, 0x1c) socket$inet6(0xa, 0x4, 0x1b39ab62) listen(r0, 0x4) r1 = accept4(r0, &(0x7f0000000100)=@l2, &(0x7f00000001c0)=0xfffffffffffffdb2, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r1, 0x0, 0x480, &(0x7f0000000180), &(0x7f00000002c0)=0x40) [ 67.840457] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/04/13 20:11:08 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) sendto$inet6(r0, &(0x7f0000000240)="81", 0x1, 0x0, &(0x7f0000606fe4)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xffffffffffffffff}, 0x1}, 0x1c) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x7) accept(r0, 0x0, &(0x7f0000000040)) 2018/04/13 20:11:08 executing program 6: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000040)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000400)={&(0x7f0000000440)={0x14, 0x8000026, 0x701, 0x0, 0x0, {0x3}}, 0x14}, 0x1}, 0x0) 2018/04/13 20:11:08 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x10) syz_genetlink_get_family_id$team(&(0x7f0000000180)='team\x00') ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000340)={'team0\x00'}) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f00000005c0)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000580)={&(0x7f0000000380)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYBLOB="010000000000000000000100000208000100", @ANYBLOB="3c0002003800010024000100206f746966795f70656572735f636f756e74000000000000000000000000000008000300040000000000"], 0x3}, 0x1}, 0x0) 2018/04/13 20:11:08 executing program 7: r0 = socket$inet6(0xa, 0x3, 0x2) sendto$inet6(r0, &(0x7f0000000080), 0x0, 0x0, &(0x7f000001b000)={0xa}, 0x1c) 2018/04/13 20:11:08 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x15, 0x5, 0x0) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x3, &(0x7f0000000100)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) 2018/04/13 20:11:08 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000eb9fff), 0xfffffd65, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = accept4(r0, &(0x7f0000c71000)=@alg, &(0x7f0000715ffc)=0x58, 0x0) sendmsg$FOU_CMD_GET(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000400)=ANY=[@ANYBLOB], 0x1}, 0x1}, 0x0) connect$unix(r2, &(0x7f0000000000)=@abs, 0x6e) recvfrom(r1, &(0x7f00000001c0)=""/154, 0x9a, 0x40000140, 0x0, 0x0) 2018/04/13 20:11:08 executing program 5: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000005000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000240)={0x14}, 0x14}, 0x1}, 0x0) r0 = socket(0x2, 0x2000000000000005, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000040), &(0x7f00000000c0)=0x4) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000380)={'bridge0\x00', &(0x7f0000000040)=ANY=[]}) 2018/04/13 20:11:08 executing program 3: r0 = socket(0x10, 0x80002, 0x0) socketpair(0x0, 0x0, 0x0, &(0x7f00000000c0)) bind$netlink(r0, &(0x7f0000d93000)={0x10, 0x0, 0x1}, 0xc) write(r0, &(0x7f0000df8fd9)="2600000022004701050007008980e8ff06006d20002b1f00c0e9ff094a51f10101c7033500b0", 0x26) connect$netlink(r0, &(0x7f0000e8f000)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000280), 0x4) write(r0, &(0x7f0000000080), 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000040)=0x8a, 0x4) [ 68.396530] sctp: [Deprecated]: syz-executor5 (pid 5781) Use of int in max_burst socket option. [ 68.396530] Use struct sctp_assoc_value instead [ 68.418255] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/04/13 20:11:08 executing program 7: r0 = socket(0x2, 0x1, 0x0) setsockopt(r0, 0x6, 0xe, &(0x7f0000902000)="020008000000000000005462fa01a15eaf0d2cf653f13cc379ede4eaf40f4a95bbff850a8263357506b31e58a98399b397e695c0f03d3b3d54436fe71cbcdc6e30ac10369300f6af7d07634832b8a5c0a94c470502e9337b3e7298fc74e81b1058d02f9b14732017e2466a9fc43aea71263335960415800020f9575da602000000001f0000d1b0e6ebcb12c7291871363e97100c4a4c2e9f5c0c14f1659ce8c8bed2e97e60a3649f93ea0c8263f864802ad72fa698807ef14a4a1813e976be1d113b514dbdc05ea1309163d6a4830de8391f2ecab7bbfbcb", 0xd8) setsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f00000000c0), 0x0) [ 68.463852] sctp: [Deprecated]: syz-executor5 (pid 5799) Use of int in max_burst socket option. [ 68.463852] Use struct sctp_assoc_value instead 2018/04/13 20:11:08 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x15, 0x5, 0x0) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x3, &(0x7f0000000100)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) 2018/04/13 20:11:08 executing program 2: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) openat$sequencer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer\x00', 0x40100, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000240)='IPVS\x00') fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) get_robust_list(r1, &(0x7f0000000140)=&(0x7f0000000100)={&(0x7f0000000080)={&(0x7f0000000040)}, 0x0, &(0x7f00000000c0)}, &(0x7f0000000180)=0x18) 2018/04/13 20:11:08 executing program 6: syz_emit_ethernet(0x1, &(0x7f0000000340)=ANY=[@ANYBLOB="0180c2000000aaaaaaaa000086dd60597ab50044110000000000000000000000000000000000fe800000880b0000000000000800000086dd080088be00010000000000000000000000000000080022eb00000000200000000200000000000000000000000800655800000000"], 0x0) 2018/04/13 20:11:09 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x2, 0xc) write(r0, &(0x7f0000046000)="1f0000000104ff00fdde45c807110000f305f0f00800018001fd00dcffdf00", 0x1f) r1 = socket(0x10, 0x2, 0xc) write(r1, &(0x7f0000a6b000)="1f0000000104ff00fd4354c007110000f305010008000100010423dcffdf00", 0x1f) 2018/04/13 20:11:09 executing program 3: r0 = socket(0x10, 0x80002, 0x0) socketpair(0x0, 0x0, 0x0, &(0x7f00000000c0)) bind$netlink(r0, &(0x7f0000d93000)={0x10, 0x0, 0x1}, 0xc) write(r0, &(0x7f0000df8fd9)="2600000022004701050007008980e8ff06006d20002b1f00c0e9ff094a51f10101c7033500b0", 0x26) connect$netlink(r0, &(0x7f0000e8f000)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000280), 0x4) write(r0, &(0x7f0000000080), 0x0) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000040)=0x8a, 0x4) 2018/04/13 20:11:09 executing program 5: r0 = epoll_create(0x3) r1 = syz_open_dev$vcsn(&(0x7f0000bf5ff6)='/dev/vcs#\x00', 0xfffffffffffffffc, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000bf6000)) 2018/04/13 20:11:09 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) futex(&(0x7f0000000040)=0x4, 0x0, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000000080), 0x0) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000000040), 0x0) 2018/04/13 20:11:09 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) sendmsg(r0, &(0x7f0000238fc8)={&(0x7f000028afe4)=@in6={0xa, 0x4e20}, 0x80, &(0x7f0000250000), 0x0, &(0x7f000035e000)}, 0x0) 2018/04/13 20:11:09 executing program 7: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000500)={0x0, 0x38, &(0x7f0000000440)=[@in6={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x1}, @in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}]}, &(0x7f0000000540)=0x10) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f00000000c0)={r1, 0x38, "3f8296980d769a62c0228fad4bdc24b480432f8fa103fc3b94da8ee905308481c7424c36b102c060e9f3fc2e44122463e28a7eb20693e807"}, &(0x7f00000001c0)=0x40) 2018/04/13 20:11:09 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x3}, 0x1c) sendmsg(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f0000000ff0)=[{&(0x7f0000000040)="06ef", 0x2}], 0x1, &(0x7f0000000080)}, 0x2000c080) write(r0, &(0x7f0000000100)="d019", 0x2) 2018/04/13 20:11:09 executing program 0: semctl$IPC_RMID(0x0, 0x3f000000ff7f0000, 0x10) [ 69.364153] netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. [ 69.380330] ================================================================== [ 69.387757] BUG: KMSAN: uninit-value in rawv6_sendmsg+0x4bee/0x4cc0 [ 69.394177] CPU: 0 PID: 5844 Comm: syz-executor2 Not tainted 4.16.0+ #83 [ 69.401017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.410376] Call Trace: [ 69.412978] dump_stack+0x185/0x1d0 [ 69.416615] ? rawv6_sendmsg+0x4bee/0x4cc0 [ 69.420940] kmsan_report+0x142/0x240 [ 69.424749] __msan_warning_32+0x6c/0xb0 [ 69.428818] rawv6_sendmsg+0x4bee/0x4cc0 [ 69.432885] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 69.438432] ? futex_wait_queue_me+0x687/0x710 [ 69.439429] netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. [ 69.443037] ? compat_rawv6_ioctl+0x30/0x30 [ 69.443053] inet_sendmsg+0x48d/0x740 [ 69.443068] ? security_socket_sendmsg+0x9e/0x210 [ 69.443081] ? inet_getname+0x500/0x500 [ 69.443116] sock_write_iter+0x3b9/0x470 [ 69.472500] ? sock_read_iter+0x480/0x480 [ 69.474632] netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. [ 69.476663] __vfs_write+0x719/0x910 [ 69.476689] vfs_write+0x463/0x8d0 [ 69.476713] SYSC_write+0x172/0x360 [ 69.476731] SyS_write+0x55/0x80 [ 69.476746] do_syscall_64+0x309/0x430 [ 69.476761] ? SYSC_read+0x360/0x360 [ 69.476776] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.476803] RIP: 0033:0x455319 [ 69.497671] netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. [ 69.499413] RSP: 002b:00007fa8bdc4ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.499427] RAX: ffffffffffffffda RBX: 00007fa8bdc4b6d4 RCX: 0000000000455319 [ 69.499434] RDX: 0000000000000002 RSI: 0000000020000100 RDI: 0000000000000013 [ 69.499441] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.499447] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff 2018/04/13 20:11:09 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000300)={0x2, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x90) 2018/04/13 20:11:09 executing program 0: r0 = epoll_create(0x3) r1 = syz_open_dev$vcsn(&(0x7f0000bf5ff6)='/dev/vcs#\x00', 0xfffffffffffffffc, 0x0) perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000bf6000)) [ 69.499454] R13: 00000000000006b6 R14: 00000000006fd1b0 R15: 0000000000000000 [ 69.499463] [ 69.499467] Uninit was stored to memory at: [ 69.499485] kmsan_internal_chain_origin+0x12b/0x210 [ 69.499495] kmsan_memcpy_origins+0x11d/0x170 [ 69.499505] __msan_memcpy+0x19f/0x1f0 [ 69.499518] skb_copy_bits+0x63a/0xdb0 [ 69.499528] rawv6_sendmsg+0x427e/0x4cc0 [ 69.499540] inet_sendmsg+0x48d/0x740 [ 69.499553] sock_write_iter+0x3b9/0x470 [ 69.499565] __vfs_write+0x719/0x910 [ 69.499574] vfs_write+0x463/0x8d0 [ 69.499609] SYSC_write+0x172/0x360 [ 69.614224] SyS_write+0x55/0x80 [ 69.617608] do_syscall_64+0x309/0x430 [ 69.621620] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.626802] Uninit was created at: [ 69.630353] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 69.635378] kmsan_alloc_page+0x82/0xe0 [ 69.639369] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 69.644137] alloc_pages_current+0x6b5/0x970 [ 69.648554] skb_page_frag_refill+0x3ba/0x5e0 [ 69.653059] sk_page_frag_refill+0xa4/0x340 [ 69.657389] __ip6_append_data+0x1a20/0x4bb0 2018/04/13 20:11:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000600)=@ipv6_newroute={0x24, 0x18, 0x801, 0x0, 0x0, {0xa}, [@RTA_ENCAP_TYPE={0x8, 0x15}]}, 0x24}, 0x1}, 0x0) [ 69.661810] ip6_append_data+0x40e/0x6b0 [ 69.666135] rawv6_sendmsg+0x2787/0x4cc0 [ 69.670195] inet_sendmsg+0x48d/0x740 [ 69.673994] sock_write_iter+0x3b9/0x470 [ 69.678929] __vfs_write+0x719/0x910 [ 69.682641] vfs_write+0x463/0x8d0 [ 69.686187] SYSC_write+0x172/0x360 [ 69.689838] SyS_write+0x55/0x80 [ 69.689851] do_syscall_64+0x309/0x430 [ 69.689865] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.689870] ================================================================== [ 69.689873] Disabling lock debugging due to kernel taint [ 69.689879] Kernel panic - not syncing: panic_on_warn set ... [ 69.689879] [ 69.689894] CPU: 0 PID: 5844 Comm: syz-executor2 Tainted: G B 4.16.0+ #83 [ 69.689900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.689904] Call Trace: [ 69.689921] dump_stack+0x185/0x1d0 [ 69.689936] panic+0x39d/0x940 [ 69.689967] ? rawv6_sendmsg+0x4bee/0x4cc0 [ 69.689978] kmsan_report+0x238/0x240 [ 69.689993] __msan_warning_32+0x6c/0xb0 [ 69.690004] rawv6_sendmsg+0x4bee/0x4cc0 [ 69.690017] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 69.690031] ? futex_wait_queue_me+0x687/0x710 [ 69.690061] ? compat_rawv6_ioctl+0x30/0x30 [ 69.690073] inet_sendmsg+0x48d/0x740 [ 69.690087] ? security_socket_sendmsg+0x9e/0x210 [ 69.690100] ? inet_getname+0x500/0x500 [ 69.690131] sock_write_iter+0x3b9/0x470 [ 69.737300] netlink: 'syz-executor1': attribute type 21 has an invalid length. [ 69.740197] ? sock_read_iter+0x480/0x480 [ 69.740212] __vfs_write+0x719/0x910 [ 69.740235] vfs_write+0x463/0x8d0 [ 69.740254] SYSC_write+0x172/0x360 [ 69.740272] SyS_write+0x55/0x80 [ 69.740285] do_syscall_64+0x309/0x430 [ 69.740300] ? SYSC_read+0x360/0x360 [ 69.740316] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.740327] RIP: 0033:0x455319 [ 69.740335] RSP: 002b:00007fa8bdc4ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.740348] RAX: ffffffffffffffda RBX: 00007fa8bdc4b6d4 RCX: 0000000000455319 [ 69.740355] RDX: 0000000000000002 RSI: 0000000020000100 RDI: 0000000000000013 [ 69.740362] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.740368] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 69.740374] R13: 00000000000006b6 R14: 00000000006fd1b0 R15: 0000000000000000 [ 69.741010] Dumping ftrace buffer: [ 69.741013] (ftrace buffer empty) [ 69.741017] Kernel Offset: disabled