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 '10.128.0.51' (ECDSA) to the list of known hosts. 2018/04/19 13:02:27 fuzzer started 2018/04/19 13:02:27 dialing manager at 10.128.0.26:37327 2018/04/19 13:02:35 kcov=true, comps=false 2018/04/19 13:02:38 executing program 0: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) signalfd4(r0, &(0x7f0000000180)={0x7fffffff}, 0x8, 0x80800) r1 = perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0x6}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x105082) socket$nl_crypto(0x10, 0x3, 0x15) r3 = memfd_create(&(0x7f0000000140)="000000008c00000000000000000000", 0x0) pwritev(r3, &(0x7f0000f50f90)=[{&(0x7f0000000100)="a8", 0x1}], 0x1, 0x81003) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0xc) perf_event_open(&(0x7f0000000000)={0x7, 0x70, 0x8, 0x4, 0x7, 0x6, 0x0, 0x7f, 0x400, 0x1, 0x1f, 0x9, 0x6, 0x10000000000000, 0xa9d, 0x0, 0x101, 0x0, 0x14c5, 0x30, 0x3f, 0x9, 0x9, 0x400, 0xf2b, 0x8000, 0x4, 0x0, 0x4, 0xbf, 0x4, 0x0, 0xff, 0x6, 0x8, 0x5, 0x4, 0x9, 0x0, 0x100, 0x5, @perf_config_ext={0x0, 0x4}, 0x210, 0x100000000, 0x1ff, 0x6, 0x0, 0x3b, 0x2}, r4, 0x6, r1, 0x9) ioctl$LOOP_CHANGE_FD(r2, 0x4c00, r3) getsockopt$netlink(0xffffffffffffffff, 0x10e, 0x9, &(0x7f0000001300)=""/4096, &(0x7f00000012c0)=0xfd58) sync() sendfile(r2, r3, &(0x7f00000ddff8), 0x102000001) 2018/04/19 13:02:38 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$LOOP_SET_STATUS(r0, 0xc0481273, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "000000000100000000001bf3ffffff000065000000edff00007db0e6330ee7f9b319d8000018e58d1c43473000e05026fb0000008001d1a7335d5bffff00e2d7", "cea40001003500f7ff00022000000000000000000081000700"}) 2018/04/19 13:02:38 executing program 7: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) shutdown(r0, 0x0) 2018/04/19 13:02:38 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket(0x11, 0x800000003, 0xfffffffffffffffd) bind(r1, &(0x7f00005a2000)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'lo\x00'}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00000000c0)={'lo\x00@\x00', 0x101}) 2018/04/19 13:02:38 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f00000001c0)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f00000001c0), 0x0, &(0x7f00000003c0)}}, {{&(0x7f00000004c0)=@in6={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680), 0x0, &(0x7f0000002000)=ANY=[@ANYBLOB="10295201b56bba8cd000f200"], 0xc}}], 0x2, 0x8000) 2018/04/19 13:02:38 executing program 4: clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x264, 0x0) ppoll(&(0x7f0000b7fff0)=[{r2}], 0x1, &(0x7f0000345ff0)={0x0, r0}, &(0x7f0000d5c000), 0x8) connect$unix(r1, &(0x7f00006edffb)=@file={0x0, './file0\x00'}, 0xa) 2018/04/19 13:02:38 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000980)={@in6={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}, 0x0, 0x6, 0x0, "37b5e9ef253b4a17814c1b38c9b81a02000000000000000e9383bcf622da24ecb501003f004040eb800900000000000000334eeb3b30a354760cc0b9d14f3363180e01222db4b130ca85a373740d1e60"}, 0xffffffffffffff53) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f00004b5ff0)={0x1, &(0x7f0000acbff8)=[{0x6, 0x0, 0x0, 0x6}]}, 0x10) bind$inet6(r0, &(0x7f0000000880)={0xa, 0x4e22}, 0x1c) socketpair(0x0, 0x0, 0x0, &(0x7f0000000540)) sendto$inet6(r0, &(0x7f00002a0b14), 0x0, 0x200408d4, &(0x7f000072e000)={0xa, 0x4e22, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto(r0, &(0x7f000092d000)="d5", 0x1, 0x1, &(0x7f0000ad9000)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa]}}, 0x80) 2018/04/19 13:02:38 executing program 6: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000fd1ff6)='net/tcp\x00') preadv(r0, &(0x7f0000000080)=[{&(0x7f000032df3a)=""/198, 0xc6}], 0x1, 0x100) syzkaller login: [ 45.819436] ip (3763) used greatest stack depth: 54688 bytes left [ 45.900113] ip (3774) used greatest stack depth: 54672 bytes left [ 46.332071] ip (3811) used greatest stack depth: 54312 bytes left [ 47.375467] ip (3907) used greatest stack depth: 54200 bytes left [ 47.767794] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.774302] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.800057] device bridge_slave_0 entered promiscuous mode [ 47.849199] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.855747] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.906323] device bridge_slave_0 entered promiscuous mode [ 47.933892] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.940477] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.975525] device bridge_slave_0 entered promiscuous mode [ 48.000531] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.007117] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.029649] device bridge_slave_0 entered promiscuous mode [ 48.049245] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.055758] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.081119] device bridge_slave_1 entered promiscuous mode [ 48.090925] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.097434] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.115150] device bridge_slave_0 entered promiscuous mode [ 48.126471] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.132989] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.143928] device bridge_slave_0 entered promiscuous mode [ 48.152595] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.159164] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.183624] device bridge_slave_0 entered promiscuous mode [ 48.201825] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.208364] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.232798] device bridge_slave_1 entered promiscuous mode [ 48.246017] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.252574] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.270090] device bridge_slave_0 entered promiscuous mode [ 48.283456] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.289961] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.299695] device bridge_slave_1 entered promiscuous mode [ 48.315307] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.325705] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.332203] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.360336] device bridge_slave_1 entered promiscuous mode [ 48.367161] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.373646] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.392849] device bridge_slave_1 entered promiscuous mode [ 48.409506] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.416119] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.431704] device bridge_slave_1 entered promiscuous mode [ 48.440133] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.446618] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.480700] device bridge_slave_1 entered promiscuous mode [ 48.489624] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.500569] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.511752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.519981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.535485] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.541981] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.600971] device bridge_slave_1 entered promiscuous mode [ 48.625324] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.634948] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.690375] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.698675] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.722006] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.759317] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.809169] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.841831] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.868886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.924388] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.002183] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.199928] ip (4029) used greatest stack depth: 53960 bytes left [ 49.540214] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.712783] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.725670] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.775234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.782618] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.904979] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.922544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.937905] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.948072] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.958544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.970088] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.001866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.103377] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.153883] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.176084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.214325] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.519406] ip (4131) used greatest stack depth: 53656 bytes left [ 50.823806] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.953197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.016175] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.025571] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.071474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.117913] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.153445] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.169907] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.214622] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.285194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.292430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.301760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.325915] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.335611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.344352] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.373505] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.381673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.391421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.424369] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.432360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.454416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.481925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.491785] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.507149] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.514355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.526340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.585439] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.592688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.605128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.627912] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.639990] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.650259] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.657429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.677622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.703764] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.711733] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.721324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.769713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.799309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.824816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.846524] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.860827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.880841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.893361] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.904067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.912448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.933507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.941830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.984811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.023782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.054894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.072520] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.087844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.102805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.112820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.137240] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.155706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.164113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.184979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.204644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.234798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.268671] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.281583] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.316857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.111111] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.117640] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.124528] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.131027] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.163564] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.171166] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.177687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.184699] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.191208] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.200405] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.211274] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.221977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.258878] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.265386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.272285] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.278757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.315347] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.508632] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.515184] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.522122] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.528662] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.540744] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.549940] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.556417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.563343] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.569826] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.584391] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.594935] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.601449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.608356] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.614852] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.654149] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.668119] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.674617] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.681520] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.687999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.715894] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.746765] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.753279] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.760208] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.766676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.832978] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.264166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.280783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.315725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.339403] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.358839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.367278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.889123] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.960322] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.027215] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.210170] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.289244] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.395290] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.425175] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.497374] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.680657] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.687112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.698548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.767584] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.774158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.784531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.881738] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.888365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.902823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.033270] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 65.039562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.049524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.178504] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 65.184836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.194962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.238328] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 65.250384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.272134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.291320] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 65.306147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.341802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.380216] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 65.396871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.414788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.776218] ================================================================== [ 70.783664] BUG: KMSAN: uninit-value in copy_page_to_iter+0x754/0x1b70 [ 70.790340] CPU: 1 PID: 5724 Comm: blkid Not tainted 4.16.0+ #84 [ 70.796480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.805834] Call Trace: [ 70.808432] dump_stack+0x185/0x1d0 [ 70.812057] ? kmsan_internal_check_memory+0x155/0x1e0 [ 70.817326] kmsan_report+0x142/0x240 [ 70.821117] kmsan_internal_check_memory+0x174/0x1e0 [ 70.826213] kmsan_copy_to_user+0x69/0x160 [ 70.830440] copy_page_to_iter+0x754/0x1b70 [ 70.834760] ? vlan_newlink+0x2a/0x8d0 [ 70.838635] generic_file_read_iter+0x2ee8/0x43f0 [ 70.843483] blkdev_read_iter+0x20d/0x280 [ 70.847621] ? blkdev_write_iter+0x5f0/0x5f0 [ 70.852020] __vfs_read+0x6fb/0x8e0 [ 70.855648] vfs_read+0x36c/0x6c0 [ 70.859099] SYSC_read+0x172/0x360 [ 70.862627] SyS_read+0x55/0x80 [ 70.865891] do_syscall_64+0x309/0x430 [ 70.869789] ? vfs_write+0x8d0/0x8d0 [ 70.873494] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.878669] RIP: 0033:0x7f279c15f310 [ 70.882364] RSP: 002b:00007fff2d7dce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 70.890056] RAX: ffffffffffffffda RBX: 0000000000001c00 RCX: 00007f279c15f310 [ 70.897320] RDX: 0000000000000400 RSI: 00000000024bb6e8 RDI: 0000000000000003 [ 70.904589] RBP: 00000000024bb6c0 R08: 0000000000000028 R09: 0000000001680000 [ 70.911841] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000024ba030 [ 70.919094] R13: 0000000000000400 R14: 00000000024ba080 R15: 00000000024bb6d8 [ 70.926350] [ 70.927954] Uninit was stored to memory at: [ 70.932263] kmsan_internal_chain_origin+0x12b/0x210 [ 70.937351] kmsan_memcpy_origins+0x11d/0x170 [ 70.941828] __msan_memcpy+0x19f/0x1f0 [ 70.945702] iov_iter_copy_from_user_atomic+0xb04/0x17d0 [ 70.951137] generic_perform_write+0x4c6/0x990 [ 70.955700] __generic_file_write_iter+0x5f5/0x990 [ 70.960618] blkdev_write_iter+0x3a8/0x5f0 [ 70.964838] do_iter_readv_writev+0x7bb/0x970 [ 70.969315] do_iter_write+0x30d/0xd40 [ 70.973187] vfs_iter_write+0x118/0x180 [ 70.977148] iter_file_splice_write+0xbc3/0x1710 [ 70.981887] direct_splice_actor+0x19b/0x200 [ 70.986281] splice_direct_to_actor+0x764/0x1040 [ 70.991034] do_splice_direct+0x335/0x540 [ 70.995172] do_sendfile+0x1067/0x1e40 [ 70.999049] SYSC_sendfile64+0x1b3/0x300 [ 71.003094] SyS_sendfile64+0x64/0x90 [ 71.006891] do_syscall_64+0x309/0x430 [ 71.010769] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 71.015940] Uninit was created at: [ 71.019475] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 71.024474] kmsan_alloc_page+0x82/0xe0 [ 71.028435] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 71.033175] alloc_pages_vma+0xcc8/0x1800 [ 71.037307] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 71.042313] shmem_getpage_gfp+0x35db/0x5770 [ 71.046708] shmem_file_read_iter+0x508/0x1180 [ 71.051276] generic_file_splice_read+0x4e8/0x830 [ 71.056107] splice_direct_to_actor+0x4c6/0x1040 [ 71.060848] do_splice_direct+0x335/0x540 [ 71.064979] do_sendfile+0x1067/0x1e40 [ 71.068853] SYSC_sendfile64+0x1b3/0x300 [ 71.072899] SyS_sendfile64+0x64/0x90 [ 71.076682] do_syscall_64+0x309/0x430 [ 71.080553] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 71.085719] [ 71.087339] Bytes 0-1023 of 1024 are uninitialized [ 71.092244] ================================================================== [ 71.099585] Disabling lock debugging due to kernel taint [ 71.105027] Kernel panic - not syncing: panic_on_warn set ... [ 71.105027] [ 71.112387] CPU: 1 PID: 5724 Comm: blkid Tainted: G B 4.16.0+ #84 [ 71.119837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.129173] Call Trace: [ 71.131754] dump_stack+0x185/0x1d0 [ 71.135374] panic+0x39d/0x940 [ 71.138574] ? kmsan_internal_check_memory+0x155/0x1e0 [ 71.143833] kmsan_report+0x238/0x240 [ 71.147621] kmsan_internal_check_memory+0x174/0x1e0 [ 71.152710] kmsan_copy_to_user+0x69/0x160 [ 71.156934] copy_page_to_iter+0x754/0x1b70 [ 71.161249] ? vlan_newlink+0x2a/0x8d0 [ 71.165124] generic_file_read_iter+0x2ee8/0x43f0 [ 71.169967] blkdev_read_iter+0x20d/0x280 [ 71.174102] ? blkdev_write_iter+0x5f0/0x5f0 [ 71.178494] __vfs_read+0x6fb/0x8e0 [ 71.182113] vfs_read+0x36c/0x6c0 [ 71.185555] SYSC_read+0x172/0x360 [ 71.189082] SyS_read+0x55/0x80 [ 71.192348] do_syscall_64+0x309/0x430 [ 71.196222] ? vfs_write+0x8d0/0x8d0 [ 71.199925] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 71.205102] RIP: 0033:0x7f279c15f310 [ 71.208798] RSP: 002b:00007fff2d7dce38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 71.216510] RAX: ffffffffffffffda RBX: 0000000000001c00 RCX: 00007f279c15f310 [ 71.223767] RDX: 0000000000000400 RSI: 00000000024bb6e8 RDI: 0000000000000003 [ 71.231027] RBP: 00000000024bb6c0 R08: 0000000000000028 R09: 0000000001680000 [ 71.238290] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000024ba030 [ 71.245543] R13: 0000000000000400 R14: 00000000024ba080 R15: 00000000024bb6d8 [ 71.253961] Dumping ftrace buffer: [ 71.257484] (ftrace buffer empty) [ 71.261258] Kernel Offset: disabled [ 71.264874] Rebooting in 86400 seconds..