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.
2018/04/16 15:03:57 fuzzer started
2018/04/16 15:03:57 dialing manager at 10.128.0.26:41213
2018/04/16 15:04:03 kcov=true, comps=false
2018/04/16 15:04:06 executing program 0:
open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0)
perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
unlink(&(0x7f00000000c0)='./bus\x00')

2018/04/16 15:04:06 executing program 2:
r0 = socket$nl_route(0x10, 0x3, 0x0)
perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000100)={&(0x7f00000000c0)={0x10}, 0x16f, &(0x7f0000000140)={&(0x7f0000000080)=@ipv4_newroute={0x24, 0x18, 0x9ec26c7014e22a95, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, [@RTA_GATEWAY={0x8, 0x5, @remote={0xac, 0x14, 0x14, 0xbb}}]}, 0x387}, 0x1}, 0x0)

2018/04/16 15:04:06 executing program 7:
remap_file_pages(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x2000000, 0x0, 0x0)

2018/04/16 15:04:06 executing program 1:
perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f00005a5000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f00000005c0)={0x14, 0x26, 0x109, 0x0, 0x0, {0x44000002}}, 0x14}, 0x1}, 0x0)

2018/04/16 15:04:06 executing program 4:

2018/04/16 15:04:06 executing program 3:

2018/04/16 15:04:06 executing program 5:

2018/04/16 15:04:06 executing program 6:

syzkaller login: [   44.131667] ip (3775) used greatest stack depth: 54672 bytes left
[   45.087271] ip (3870) used greatest stack depth: 54560 bytes left
[   45.105209] ip (3871) used greatest stack depth: 53960 bytes left
[   45.662916] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.669588] bridge0: port 1(bridge_slave_0) entered disabled state
[   45.700947] device bridge_slave_0 entered promiscuous mode
[   45.744589] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.751124] bridge0: port 1(bridge_slave_0) entered disabled state
[   45.760755] device bridge_slave_0 entered promiscuous mode
[   45.783267] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.789727] bridge0: port 1(bridge_slave_0) entered disabled state
[   45.818912] device bridge_slave_0 entered promiscuous mode
[   45.857892] bridge0: port 2(bridge_slave_1) entered blocking state
[   45.864344] bridge0: port 2(bridge_slave_1) entered disabled state
[   45.904919] device bridge_slave_1 entered promiscuous mode
[   45.933750] bridge0: port 2(bridge_slave_1) entered blocking state
[   45.940237] bridge0: port 2(bridge_slave_1) entered disabled state
[   45.984923] device bridge_slave_1 entered promiscuous mode
[   45.992395] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.998855] bridge0: port 1(bridge_slave_0) entered disabled state
[   46.039890] device bridge_slave_0 entered promiscuous mode
[   46.056755] bridge0: port 1(bridge_slave_0) entered blocking state
[   46.063214] bridge0: port 1(bridge_slave_0) entered disabled state
[   46.071459] device bridge_slave_0 entered promiscuous mode
[   46.084964] bridge0: port 1(bridge_slave_0) entered blocking state
[   46.091419] bridge0: port 1(bridge_slave_0) entered disabled state
[   46.121218] device bridge_slave_0 entered promiscuous mode
[   46.132635] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.142701] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.150162] bridge0: port 1(bridge_slave_0) entered blocking state
[   46.156621] bridge0: port 1(bridge_slave_0) entered disabled state
[   46.176995] device bridge_slave_0 entered promiscuous mode
[   46.203503] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.209937] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.248931] device bridge_slave_1 entered promiscuous mode
[   46.259921] bridge0: port 1(bridge_slave_0) entered blocking state
[   46.266435] bridge0: port 1(bridge_slave_0) entered disabled state
[   46.277850] device bridge_slave_0 entered promiscuous mode
[   46.292301] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.298768] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.320454] device bridge_slave_1 entered promiscuous mode
[   46.336220] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.342661] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.351195] device bridge_slave_1 entered promiscuous mode
[   46.358214] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.365674] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.373626] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.380130] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.417825] device bridge_slave_1 entered promiscuous mode
[   46.424174] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.430627] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.453772] device bridge_slave_1 entered promiscuous mode
[   46.465549] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.474966] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.482344] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.488831] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.534153] device bridge_slave_1 entered promiscuous mode
[   46.543442] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.612231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.626314] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.674236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.688478] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.763465] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.788596] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   46.833531] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   46.844077] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   47.020993] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   47.289245] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.375812] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.481404] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.565979] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.656139] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.730686] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.738557] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.752916] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.793680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   47.868086] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.947979] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.959946] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.968923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   47.997247] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   48.033850] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   48.238256] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   48.469190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   48.652678] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   48.691724] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   48.767601] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   48.862684] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   48.873686] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   48.898403] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   48.905584] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   48.928475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   48.982461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   48.990062] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   49.006845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   49.047193] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   49.064847] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.073298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.091009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.148421] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   49.158720] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.166590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.176747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.226741] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.233993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.247970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.275123] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   49.285810] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   49.293374] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.302258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.317350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.348608] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   49.361474] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.368568] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.383987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.422570] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   49.463417] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.470534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.489498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.515546] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.525975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.534650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.561283] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.568620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.587782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.607533] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.618198] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.628621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.664538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.693008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.713662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   49.730490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   49.762673] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.770085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.782744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.816833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.826106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.848942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.892154] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   49.899498] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   49.917123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   49.953527] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   49.960679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   49.976449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   50.174867] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   50.184106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.198442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   51.690180] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.696652] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.703501] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.709941] bridge0: port 1(bridge_slave_0) entered forwarding state
[   51.747751] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   51.754706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   51.782183] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.788660] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.795531] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.801960] bridge0: port 1(bridge_slave_0) entered forwarding state
[   51.838260] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   51.849758] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.856215] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.862999] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.869440] bridge0: port 1(bridge_slave_0) entered forwarding state
[   51.878683] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   51.904020] bridge0: port 2(bridge_slave_1) entered blocking state
[   51.910516] bridge0: port 2(bridge_slave_1) entered forwarding state
[   51.917339] bridge0: port 1(bridge_slave_0) entered blocking state
[   51.923783] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.003924] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   52.181791] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.188282] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.195139] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.201572] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.229985] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   52.253198] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.259651] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.266505] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.272946] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.354432] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   52.361958] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.368408] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.375303] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.381764] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.425870] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   52.626487] bridge0: port 2(bridge_slave_1) entered blocking state
[   52.632954] bridge0: port 2(bridge_slave_1) entered forwarding state
[   52.639758] bridge0: port 1(bridge_slave_0) entered blocking state
[   52.646214] bridge0: port 1(bridge_slave_0) entered forwarding state
[   52.654665] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   52.768346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.791673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.823513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.841674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.852514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.859867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   52.868445] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   60.875555] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   60.966156] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   61.108272] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   61.288991] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   61.477083] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   61.622655] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   61.660745] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   61.667002] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   61.676884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   61.779130] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   61.785366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   61.796600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   61.891490] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   61.899553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   61.913338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   62.020403] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   62.040687] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   62.144415] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   62.150841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   62.160972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   62.253590] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   62.260180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   62.273650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   62.504924] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   62.511653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   62.519470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   62.785272] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   62.791549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   62.801942] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   62.909898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   62.916149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   62.923583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   67.689538] mmap: syz-executor7 (5712) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
2018/04/16 15:04:33 executing program 0:
r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0)
r1 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0)
ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1)
ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x12, 0x0, 0x0, "e1d72aae3398eb02d7c7f7f4f1a9ebca2b9eb705c55355a435234c1286636fbb21a0fea09e678bb6492b61c8a2d8e419ac99672acd5b28e881b592b7573b4017", "2dd28a5bb838eec6d02b95067cc4328a070800000000000000000000346252728b1444842b50e23faa8069a689e529d4978f544e000031a21646602644ed924e", "ece7848419175fa1caab94dba1ba984502127f6cf66f395dde0e415f4dc1e210"})

2018/04/16 15:04:33 executing program 1:
unshare(0x8000400)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r0, 0x0)

2018/04/16 15:04:33 executing program 4:
perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_generic(r0, &(0x7f0000000140)={&(0x7f0000000280)={0x10}, 0xc, &(0x7f0000000380)={&(0x7f00000003c0)=ANY=[@ANYBLOB="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"], 0x1}, 0x1}, 0x0)

2018/04/16 15:04:33 executing program 7:
unshare(0x20000)
r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='ns/mnt\x00')
unshare(0x20020000)
close(r0)

2018/04/16 15:04:33 executing program 6:
perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
request_key(&(0x7f0000000100)='user\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a}, &(0x7f0000000200)='user\x00', 0x0)

2018/04/16 15:04:33 executing program 3:
perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000001000)={0x1, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108)
r1 = syz_open_procfs(0x0, &(0x7f000012bff2)='net/mcfilter6\x00')
preadv(r1, &(0x7f00000002c0)=[{&(0x7f0000000100)=""/28, 0x209}], 0x1, 0x0)

2018/04/16 15:04:33 executing program 2:
r0 = socket$inet6(0xa, 0x3, 0x3a)
connect$inet6(r0, &(0x7f0000002fe4)={0xa}, 0x1c)
sendmsg(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f0000000ff0)=[{&(0x7f0000000040)="00007f", 0x3}], 0x1, &(0x7f0000000100)}, 0x2000c080)
write(r0, &(0x7f00000000c0)="d0dc", 0x2)

2018/04/16 15:04:33 executing program 5:
perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000a28ff7)='/dev/rtc\x00', 0x0, 0x0)
ioctl$PIO_UNIMAPCLR(r0, 0x40247007, &(0x7f0000000000))

[   68.250171] ==================================================================
[   68.257597] BUG: KMSAN: uninit-value in rawv6_sendmsg+0x4cb3/0x4cc0
[   68.264008] CPU: 0 PID: 5764 Comm: syz-executor2 Not tainted 4.16.0+ #84
[   68.270841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   68.280189] Call Trace:
[   68.282784]  dump_stack+0x185/0x1d0
[   68.286414]  ? rawv6_sendmsg+0x4cb3/0x4cc0
[   68.290660]  kmsan_report+0x142/0x240
[   68.294471]  __msan_warning_32+0x6c/0xb0
2018/04/16 15:04:33 executing program 3:
socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
pipe(&(0x7f0000000000))

[   68.298534]  rawv6_sendmsg+0x4cb3/0x4cc0
[   68.302595]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[   68.307955]  ? update_load_avg+0x218c/0x2c20
[   68.312376]  ? compat_rawv6_ioctl+0x30/0x30
[   68.316698]  inet_sendmsg+0x48d/0x740
[   68.320495]  ? security_socket_sendmsg+0x9e/0x210
[   68.325340]  ? inet_getname+0x500/0x500
[   68.329314]  sock_write_iter+0x3b9/0x470
[   68.333381]  ? sock_read_iter+0x480/0x480
[   68.337530]  __vfs_write+0x719/0x910
[   68.341249]  vfs_write+0x463/0x8d0
[   68.344798]  SYSC_write+0x172/0x360
[   68.348430]  SyS_write+0x55/0x80
[   68.351797]  do_syscall_64+0x309/0x430
[   68.355696]  ? SYSC_read+0x360/0x360
[   68.359415]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   68.364601] RIP: 0033:0x455319
[   68.367787] RSP: 002b:00007fd7398e7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   68.375497] RAX: ffffffffffffffda RBX: 00007fd7398e86d4 RCX: 0000000000455319
[   68.382766] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000013
[   68.390035] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   68.397301] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[   68.404567] R13: 00000000000006b6 R14: 00000000006fd1b0 R15: 0000000000000000
[   68.411833] 
[   68.413454] Uninit was stored to memory at:
[   68.417785]  kmsan_internal_chain_origin+0x12b/0x210
[   68.422890]  kmsan_memcpy_origins+0x11d/0x170
[   68.427382]  __msan_memcpy+0x19f/0x1f0
[   68.431266]  skb_copy_bits+0x63a/0xdb0
[   68.435148]  rawv6_sendmsg+0x427e/0x4cc0
[   68.439207]  inet_sendmsg+0x48d/0x740
[   68.443011]  sock_write_iter+0x3b9/0x470
[   68.447072]  __vfs_write+0x719/0x910
[   68.450782]  vfs_write+0x463/0x8d0
[   68.454322]  SYSC_write+0x172/0x360
[   68.457943]  SyS_write+0x55/0x80
[   68.461308]  do_syscall_64+0x309/0x430
[   68.465198]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   68.470379] Uninit was created at:
[   68.473922]  kmsan_alloc_meta_for_pages+0x161/0x3a0
[   68.478936]  kmsan_alloc_page+0x82/0xe0
[   68.482911]  __alloc_pages_nodemask+0xf5b/0x5dc0
[   68.487673]  alloc_pages_current+0x6b5/0x970
[   68.492080]  skb_page_frag_refill+0x3ba/0x5e0
[   68.496573]  sk_page_frag_refill+0xa4/0x340
[   68.500896]  __ip6_append_data+0x1a20/0x4bb0
[   68.505306]  ip6_append_data+0x40e/0x6b0
[   68.509365]  rawv6_sendmsg+0x2787/0x4cc0
[   68.513426]  inet_sendmsg+0x48d/0x740
[   68.517228]  sock_write_iter+0x3b9/0x470
[   68.521288]  __vfs_write+0x719/0x910
[   68.525002]  vfs_write+0x463/0x8d0
[   68.528539]  SYSC_write+0x172/0x360
[   68.532166]  SyS_write+0x55/0x80
[   68.535530]  do_syscall_64+0x309/0x430
[   68.539421]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   68.544599] ==================================================================
[   68.551948] Disabling lock debugging due to kernel taint
[   68.557392] Kernel panic - not syncing: panic_on_warn set ...
[   68.557392] 
[   68.564763] CPU: 0 PID: 5764 Comm: syz-executor2 Tainted: G    B            4.16.0+ #84
[   68.572900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   68.582245] Call Trace:
[   68.584833]  dump_stack+0x185/0x1d0
[   68.588465]  panic+0x39d/0x940
[   68.591682]  ? rawv6_sendmsg+0x4cb3/0x4cc0
[   68.595913]  kmsan_report+0x238/0x240
[   68.599715]  __msan_warning_32+0x6c/0xb0
[   68.603774]  rawv6_sendmsg+0x4cb3/0x4cc0
[   68.607835]  ? __msan_metadata_ptr_for_load_8+0x10/0x20
[   68.613197]  ? update_load_avg+0x218c/0x2c20
[   68.617604]  ? compat_rawv6_ioctl+0x30/0x30
[   68.621907]  inet_sendmsg+0x48d/0x740
[   68.625693]  ? security_socket_sendmsg+0x9e/0x210
[   68.630528]  ? inet_getname+0x500/0x500
[   68.634492]  sock_write_iter+0x3b9/0x470
[   68.638548]  ? sock_read_iter+0x480/0x480
[   68.642699]  __vfs_write+0x719/0x910
[   68.646409]  vfs_write+0x463/0x8d0
[   68.649957]  SYSC_write+0x172/0x360
[   68.653589]  SyS_write+0x55/0x80
[   68.656940]  do_syscall_64+0x309/0x430
[   68.660821]  ? SYSC_read+0x360/0x360
[   68.664526]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   68.669704] RIP: 0033:0x455319
[   68.672869] RSP: 002b:00007fd7398e7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   68.680555] RAX: ffffffffffffffda RBX: 00007fd7398e86d4 RCX: 0000000000455319
[   68.687810] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000013
[   68.695065] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   68.702318] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[   68.709578] R13: 00000000000006b6 R14: 00000000006fd1b0 R15: 0000000000000000
[   68.717371] Dumping ftrace buffer:
[   68.720895]    (ftrace buffer empty)
[   68.724578] Kernel Offset: disabled
[   68.728188] Rebooting in 86400 seconds..