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 '10.128.0.46' (ECDSA) to the list of known hosts. 2018/04/14 11:49:59 fuzzer started 2018/04/14 11:50:00 dialing manager at 10.128.0.26:36243 2018/04/14 11:50:06 kcov=true, comps=false 2018/04/14 11:50:09 executing program 0: timer_create(0x2, &(0x7f0000000300)={0x0, 0x3d, 0x0, @thr={&(0x7f0000000240), &(0x7f0000000280)}}, &(0x7f0000000340)) 2018/04/14 11:50:09 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f000000cfe4)={0xa}, 0x1c) sendmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000002000)}, 0x0) 2018/04/14 11:50:09 executing program 7: perf_event_open(&(0x7f00002b5f88)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) bind$netlink(r0, &(0x7f00000000c0)={0x10, 0x0, 0x0, 0x21240}, 0xc) 2018/04/14 11:50:09 executing program 4: r0 = open(&(0x7f0000b29ff8)='./file0\x00', 0x141046, 0x0) ftruncate(r0, 0x10000) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x840000000000801, 0x0) sendfile(r1, r0, &(0x7f00000d0ff8), 0x8000fffffffe) ioctl$TCFLSH(r1, 0x540b, 0x2) ioctl$TIOCSSOFTCAR(0xffffffffffffffff, 0x541a, &(0x7f0000000000)=0x2) 2018/04/14 11:50:09 executing program 2: r0 = socket$inet6(0xa, 0x802, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000068fe8)="ff0204000000000100000000000000000000000000000205", 0x18) setsockopt$inet6_buf(r0, 0x29, 0x100000000000003b, &(0x7f00003d5f88)="c500000000000030020000000000008b75bed544017d5cdbb3ffe92774a718cdb92e840900edc044258289d1363587f8f27df0300351c41fa609288d3f00e4ff7fae66075d5b65e19affeb0004e0f7997c08aab82d2fbee79bbd8807f812ab9ede37c41667928927268933648f2a6fe058e69a00d31f6f11", 0x78) setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000200)=ANY=[@ANYBLOB="00020000a05d633e6f5400000000c91000000070748fa65169aaca0e00000000000000ffffe0000001000000000000567cd740fcceb95a0b76ee30a28df9319d5e8f5b40697406f45de9d862765e221382793d9bc119e02b3a93499af6bc44d191f02f7c9858491c6cc23c891affc32c73df7576bd5ef7a47d6771a9bd67c20f3784b67ff00c50e6890d1ea7df350474c82b87099bda790a52587b454be0ae28656e8f17aa46adf25353874469502051bf951aac33bf54ec082a54497033b7349de829e3462b3dcf1f582b53b4519e307903ff978a7c"], 0x1) sendto$inet6(r0, &(0x7f0000d2aa85)="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", 0x561, 0x0, &(0x7f00004d4fe4)={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) 2018/04/14 11:50:09 executing program 3: perf_event_open(&(0x7f0000000200)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat(0xffffffffffffffff, &(0x7f0000000280)='/\x00', 0x414502, 0x0) 2018/04/14 11:50:09 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, 0x35fc, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa6d5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpuset.mem_exclusive\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='0', 0x1) 2018/04/14 11:50:09 executing program 6: r0 = socket$inet6(0xa, 0x3, 0x6) connect$inet6(r0, &(0x7f0000002fe4)={0xa}, 0x1c) sendmsg(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f0000000ff0)=[{&(0x7f000000af89)="0600", 0x2}], 0x1, &(0x7f0000026000)}, 0x2000c080) sendmsg(r0, &(0x7f000001b000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000021000)="90bcbd2acdfdc13954f877b82c75e4b5bf72000000004eafbb4d", 0x1a}], 0x1}, 0x0) syzkaller login: [ 44.240852] ip (3832) used greatest stack depth: 54312 bytes left [ 44.828684] ip (3892) used greatest stack depth: 54200 bytes left [ 45.202894] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.209370] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.264399] device bridge_slave_0 entered promiscuous mode [ 45.305517] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.311994] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.338346] device bridge_slave_0 entered promiscuous mode [ 45.373874] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.380359] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.423546] device bridge_slave_0 entered promiscuous mode [ 45.457213] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.463680] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.494977] device bridge_slave_1 entered promiscuous mode [ 45.503634] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.510108] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.544487] device bridge_slave_0 entered promiscuous mode [ 45.577714] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.584182] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.624980] device bridge_slave_0 entered promiscuous mode [ 45.637331] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.643788] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.670148] device bridge_slave_1 entered promiscuous mode [ 45.687505] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.693979] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.718080] device bridge_slave_1 entered promiscuous mode [ 45.725746] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.736321] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.742877] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.753499] device bridge_slave_0 entered promiscuous mode [ 45.764720] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.771184] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.793510] device bridge_slave_0 entered promiscuous mode [ 45.810075] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.816554] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.835613] device bridge_slave_1 entered promiscuous mode [ 45.844322] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.850762] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.870420] device bridge_slave_1 entered promiscuous mode [ 45.880144] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.886588] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.909866] device bridge_slave_0 entered promiscuous mode [ 45.925593] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.937006] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.945904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.954083] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.961798] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.968310] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.014935] device bridge_slave_1 entered promiscuous mode [ 46.040811] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.047297] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.086293] device bridge_slave_1 entered promiscuous mode [ 46.095452] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.105574] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.112134] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.146393] device bridge_slave_1 entered promiscuous mode [ 46.155643] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.165300] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.177131] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.185013] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.277550] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.302985] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.344515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.390116] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.495699] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.509954] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.971245] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.115935] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.129245] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.203159] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.221410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.289773] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.311944] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.326537] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.425836] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.438346] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.473388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.504192] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.554812] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.594697] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.709213] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.762935] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.182492] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.353448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.386961] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.410641] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.427109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.437339] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.539552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.605629] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.614102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.626751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.645799] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.657279] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.673509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.692340] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.699638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.713861] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.787404] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.799360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.819177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.852850] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.862829] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.874193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.890629] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.920850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.938240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.961260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.978428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.985330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.996911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.013100] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.021124] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.031570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.039629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.061547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.070236] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.077336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.088750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.115532] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.134082] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.163215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.198782] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.205949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.223788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.254691] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.261967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.274306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.296009] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.314448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.324966] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.340776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.372960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.412351] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.448885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.475564] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.490775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.502409] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.525457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.556178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.575793] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.585368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.604711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.648932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.656316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.669826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.254245] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.260750] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.267654] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.274139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.299848] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.306743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.503441] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.509930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.516765] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.523225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.538921] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.562676] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.569162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.576091] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.582578] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.638779] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.652534] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.659018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.665930] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.672393] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.733899] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.751449] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.757913] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.764750] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.771207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.797770] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.822465] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.828936] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.835809] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.842258] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.931119] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.943535] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.950018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.956904] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.963369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.002630] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.022451] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.028922] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.035798] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.042242] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.113763] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.320139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.333658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.354703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.377704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.388347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.395871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.404698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.644821] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.843193] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.852725] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.923930] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.200599] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.326099] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.346634] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.397847] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.438453] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.446544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.457654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.598455] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.604722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.616675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.662835] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.669122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.680426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.711524] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.717777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.728372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.936333] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.942611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.954927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.152301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.158549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.174580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.211114] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.217335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.235418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.288579] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.294820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.307226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.863985] ================================================================== [ 67.871398] BUG: KMSAN: uninit-value in tcp_v6_rcv+0x86e/0x62c0 [ 67.877459] CPU: 1 PID: 5767 Comm: syz-executor6 Not tainted 4.16.0+ #83 [ 67.884288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.893634] Call Trace: [ 67.896209] [ 67.898367] dump_stack+0x185/0x1d0 [ 67.901995] ? tcp_v6_rcv+0x86e/0x62c0 [ 67.905881] kmsan_report+0x142/0x240 [ 67.909683] __msan_warning_32+0x6c/0xb0 [ 67.913744] tcp_v6_rcv+0x86e/0x62c0 [ 67.917460] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 67.922827] ? ip6_input_finish+0x805/0x2110 [ 67.927235] ? tcp_v6_early_demux+0xab0/0xab0 [ 67.931720] ip6_input_finish+0xa62/0x2110 [ 67.935933] ? ip6table_filter_hook+0xb5/0xe0 [ 67.940407] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 67.945747] ? ip6_input_finish+0x12a1/0x2110 [ 67.950216] ip6_input+0x294/0x320 [ 67.953731] ? ip6_input+0x320/0x320 [ 67.957422] ? ipv6_rcv+0x26d0/0x26d0 [ 67.961201] ipv6_rcv+0x20ec/0x26d0 [ 67.964803] ? local_bh_enable+0x40/0x40 [ 67.968846] __netif_receive_skb_core+0x47cf/0x4a80 [ 67.973836] ? rb_insert_color+0xa4/0x1300 [ 67.978059] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 67.983841] ? ip6_rcv_finish+0x4d0/0x4d0 [ 67.987966] process_backlog+0x62d/0xe20 [ 67.992005] ? rps_trigger_softirq+0x2f0/0x2f0 [ 67.996568] net_rx_action+0x7c1/0x1a70 [ 68.000521] ? net_tx_action+0xab0/0xab0 [ 68.004561] __do_softirq+0x56d/0x93d [ 68.008342] do_softirq_own_stack+0x2a/0x40 [ 68.012634] [ 68.014851] __local_bh_enable_ip+0x114/0x140 [ 68.019323] local_bh_enable+0x36/0x40 [ 68.023192] ip6_finish_output2+0x1b6c/0x1f20 [ 68.027666] ip6_finish_output+0xb3f/0xc00 [ 68.031878] ip6_output+0x597/0x6c0 [ 68.035480] ? ip6_output+0x6c0/0x6c0 [ 68.039255] ? ac6_seq_show+0x200/0x200 [ 68.043206] ip6_local_out+0x573/0x640 [ 68.047069] ? __ip6_local_out+0x4f0/0x4f0 [ 68.051281] ip6_push_pending_frames+0x218/0x4d0 [ 68.056019] rawv6_sendmsg+0x4500/0x4cc0 [ 68.060068] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 68.065416] ? rw_copy_check_uvector+0x5af/0x6c0 [ 68.070162] ? compat_rawv6_ioctl+0x30/0x30 [ 68.074458] inet_sendmsg+0x48d/0x740 [ 68.078233] ? security_socket_sendmsg+0x9e/0x210 [ 68.083059] ? inet_getname+0x500/0x500 [ 68.087015] ___sys_sendmsg+0xec0/0x1310 [ 68.091067] ? __fdget+0x4e/0x60 [ 68.094409] ? __fget_light+0x56/0x710 [ 68.098272] ? __fdget+0x4e/0x60 [ 68.101612] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 68.106961] ? __fget_light+0x6b9/0x710 [ 68.110922] SYSC_sendmsg+0x2a3/0x3d0 [ 68.114702] SyS_sendmsg+0x54/0x80 [ 68.118218] do_syscall_64+0x309/0x430 [ 68.122094] ? ___sys_sendmsg+0x1310/0x1310 [ 68.126396] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.131558] RIP: 0033:0x455319 [ 68.134723] RSP: 002b:00007f94751afc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.142405] RAX: ffffffffffffffda RBX: 00007f94751b06d4 RCX: 0000000000455319 [ 68.149649] RDX: 0000000000000000 RSI: 000000002001b000 RDI: 0000000000000013 [ 68.156891] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.164136] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.171380] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 68.178625] [ 68.180226] Uninit was stored to memory at: [ 68.184524] kmsan_internal_chain_origin+0x12b/0x210 [ 68.189599] kmsan_memcpy_origins+0x11d/0x170 [ 68.194076] __msan_memcpy+0x19f/0x1f0 [ 68.197947] skb_copy_bits+0x63a/0xdb0 [ 68.201807] __pskb_pull_tail+0x483/0x22e0 [ 68.206024] tcp_v6_rcv+0x81f/0x62c0 [ 68.209728] ip6_input_finish+0xa62/0x2110 [ 68.213938] ip6_input+0x294/0x320 [ 68.217458] ipv6_rcv+0x20ec/0x26d0 [ 68.221074] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.226072] process_backlog+0x62d/0xe20 [ 68.230114] net_rx_action+0x7c1/0x1a70 [ 68.234075] __do_softirq+0x56d/0x93d [ 68.237856] Uninit was created at: [ 68.241372] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 68.246360] kmsan_alloc_page+0x82/0xe0 [ 68.250313] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 68.255052] alloc_pages_current+0x6b5/0x970 [ 68.259433] skb_page_frag_refill+0x3ba/0x5e0 [ 68.263900] sk_page_frag_refill+0xa4/0x340 [ 68.268208] __ip6_append_data+0x1a20/0x4bb0 [ 68.272592] ip6_append_data+0x40e/0x6b0 [ 68.276626] rawv6_sendmsg+0x2787/0x4cc0 [ 68.280662] inet_sendmsg+0x48d/0x740 [ 68.284439] ___sys_sendmsg+0xec0/0x1310 [ 68.288473] SYSC_sendmsg+0x2a3/0x3d0 [ 68.292248] SyS_sendmsg+0x54/0x80 [ 68.295763] do_syscall_64+0x309/0x430 [ 68.299625] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.304795] ================================================================== [ 68.312125] Disabling lock debugging due to kernel taint [ 68.317548] Kernel panic - not syncing: panic_on_warn set ... [ 68.317548] [ 68.324885] CPU: 1 PID: 5767 Comm: syz-executor6 Tainted: G B 4.16.0+ #83 [ 68.332997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.342333] Call Trace: [ 68.344887] [ 68.347021] dump_stack+0x185/0x1d0 [ 68.350634] panic+0x39d/0x940 [ 68.353810] ? tcp_v6_rcv+0x86e/0x62c0 [ 68.357669] kmsan_report+0x238/0x240 [ 68.361447] __msan_warning_32+0x6c/0xb0 [ 68.365491] tcp_v6_rcv+0x86e/0x62c0 [ 68.369183] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.374528] ? ip6_input_finish+0x805/0x2110 [ 68.378913] ? tcp_v6_early_demux+0xab0/0xab0 [ 68.383385] ip6_input_finish+0xa62/0x2110 [ 68.387598] ? ip6table_filter_hook+0xb5/0xe0 [ 68.392076] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 68.397415] ? ip6_input_finish+0x12a1/0x2110 [ 68.401885] ip6_input+0x294/0x320 [ 68.405400] ? ip6_input+0x320/0x320 [ 68.409093] ? ipv6_rcv+0x26d0/0x26d0 [ 68.412868] ipv6_rcv+0x20ec/0x26d0 [ 68.416472] ? local_bh_enable+0x40/0x40 [ 68.420512] __netif_receive_skb_core+0x47cf/0x4a80 [ 68.425503] ? rb_insert_color+0xa4/0x1300 [ 68.429718] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 68.435490] ? ip6_rcv_finish+0x4d0/0x4d0 [ 68.439612] process_backlog+0x62d/0xe20 [ 68.443653] ? rps_trigger_softirq+0x2f0/0x2f0 [ 68.448208] net_rx_action+0x7c1/0x1a70 [ 68.452159] ? net_tx_action+0xab0/0xab0 [ 68.456199] __do_softirq+0x56d/0x93d [ 68.459976] do_softirq_own_stack+0x2a/0x40 [ 68.464268] [ 68.466480] __local_bh_enable_ip+0x114/0x140 [ 68.470963] local_bh_enable+0x36/0x40 [ 68.474853] ip6_finish_output2+0x1b6c/0x1f20 [ 68.479345] ip6_finish_output+0xb3f/0xc00 [ 68.483564] ip6_output+0x597/0x6c0 [ 68.487164] ? ip6_output+0x6c0/0x6c0 [ 68.490944] ? ac6_seq_show+0x200/0x200 [ 68.494895] ip6_local_out+0x573/0x640 [ 68.498758] ? __ip6_local_out+0x4f0/0x4f0 [ 68.502969] ip6_push_pending_frames+0x218/0x4d0 [ 68.507702] rawv6_sendmsg+0x4500/0x4cc0 [ 68.511740] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 68.517088] ? rw_copy_check_uvector+0x5af/0x6c0 [ 68.521824] ? compat_rawv6_ioctl+0x30/0x30 [ 68.526128] inet_sendmsg+0x48d/0x740 [ 68.529904] ? security_socket_sendmsg+0x9e/0x210 [ 68.534720] ? inet_getname+0x500/0x500 [ 68.538669] ___sys_sendmsg+0xec0/0x1310 [ 68.542707] ? __fdget+0x4e/0x60 [ 68.546055] ? __fget_light+0x56/0x710 [ 68.549926] ? __fdget+0x4e/0x60 [ 68.553269] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 68.558606] ? __fget_light+0x6b9/0x710 [ 68.562559] SYSC_sendmsg+0x2a3/0x3d0 [ 68.566340] SyS_sendmsg+0x54/0x80 [ 68.569855] do_syscall_64+0x309/0x430 [ 68.573720] ? ___sys_sendmsg+0x1310/0x1310 [ 68.578029] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.583205] RIP: 0033:0x455319 [ 68.586368] RSP: 002b:00007f94751afc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.594059] RAX: ffffffffffffffda RBX: 00007f94751b06d4 RCX: 0000000000455319 [ 68.601313] RDX: 0000000000000000 RSI: 000000002001b000 RDI: 0000000000000013 [ 68.608561] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.615804] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 68.623608] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 68.631316] Dumping ftrace buffer: [ 68.634843] (ftrace buffer empty) [ 68.638524] Kernel Offset: disabled [ 68.642123] Rebooting in 86400 seconds..