[ 18.386509] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.027680] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 21.276862] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 22.286740] random: sshd: uninitialized urandom read (32 bytes read, 128 bits of entropy available) [ 22.387331] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. 2018/02/05 08:34:26 fuzzer started 2018/02/05 08:34:27 dialing manager at 10.128.0.26:44803 2018/02/05 08:34:30 kcov=true, comps=false 2018/02/05 08:34:31 executing program 0: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000001000-0x8)={0x0, 0x0}) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffff9c, 0x84, 0x75, &(0x7f0000000000)={0x0, 0x9d}, &(0x7f0000000000)=0x8) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000000)={r2, 0xc4, &(0x7f0000514000-0xc4)=[@in6={0xa, 0x1, 0x1, @empty, 0xffffffff}, @in6={0xa, 0x1, 0x6, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x8}, @in6={0xa, 0x2, 0xffffffff, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x9}, @in6={0xa, 0x2, 0xfffffffffffffffe, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x1f}, @in6={0xa, 0x0, 0x3, @dev={0xfe, 0x80, [], 0x0, 0x17}, 0x401}, @in6={0xa, 0x1, 0x5, @empty, 0x2}, @in6={0xa, 0x2, 0xffffffffffffc0aa, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x0, 0xa}}, 0x80}]}, &(0x7f0000000000)=0x10) r4 = openat(0xffffffffffffff9c, &(0x7f0000001000-0x8)='./file0\x00', 0x200400, 0x16) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r4, 0x84, 0x6, &(0x7f0000001000)={r2, @in={{0x2, 0x1, @multicast2=0xe0000002}}}, &(0x7f0000001000-0x4)=0x8c) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000002000)=0x8000, 0x4) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x0, &(0x7f0000002000)={r2, 0x6, 0x2, 0x8001}, &(0x7f0000000000)=0x10) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet6_tcp_SIOCATMARK(r4, 0x8905, &(0x7f0000003000)) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000003000-0x14)={r5, 0x0, 0x3, 0x318, 0x401, 0x5}, &(0x7f0000003000)=0x14) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000004000)='./file0\x00', 0x0, 0x72) openat$rtc(0xffffffffffffff9c, &(0x7f0000004000-0x9)='/dev/rtc\x00', 0x4000, 0x0) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000001000-0x8)={r2, 0xffffffffffffffff}, &(0x7f0000005000)=0x8) getuid() mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet_sctp_SIOCINQ(r6, 0x541b, &(0x7f0000007000-0x4)) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000008000-0x20)={0x81, 0x4, 0x8000, 0x7ff, 0x4, 0x8000000000, 0xfffffffffffffffb, 0x7, r3}, 0x20) ioctl$BINDER_SET_MAX_THREADS(r6, 0x40046205, 0x8) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(r6, 0x541b, &(0x7f0000008000)) 2018/02/05 08:34:31 executing program 7: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000204000)=0x0) setpriority(0x2, r0, 0x2aaf) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000001000-0xc)='/dev/rfkill\x00', 0x4000, 0x0) ioctl$TIOCLINUX3(r1, 0x541c, &(0x7f0000e7b000)=0x3) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ptrace$setregset(0x4205, r0, 0x202, &(0x7f0000002000-0x10)={&(0x7f0000001000)="8a60ed51516ed21c57b219f5d92a3b44b704ec83abd9e748ca2f145b6f37ec78296c3333e11221ae9f4e17d74c021ffaa5dcce2240ab949a1c6baf707ab188a7a6694134560bd575c1a92963d471a6d8a1cb893fb692981a13d7d1fc0e06a6578310b21ba04bf4a621324acfb8ffee939b6ab4d89a", 0x75}) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f0000002000), &(0x7f0000001000-0x4)=0x4) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x5) getpid() r2 = dup3(r1, r1, 0x80000) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000003000)={0x4, 0x8, 0xfff, 0x0, 0xff, 0x7}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r1, &(0x7f0000004000)={0x2}) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000005000)={{{@in6=@loopback, @in=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in=@dev}}, &(0x7f0000004000)=0xe8) getgroups(0x3, &(0x7f0000005000-0xc)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]) fchown(r2, r4, r5) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000006000)={0x7, 0x820c, 0x200, 0x101, 0x0}, &(0x7f0000005000-0x4)=0x10) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000007000-0x8)={r6, 0x1f}, &(0x7f0000006000)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000005000)={0x4, 0x7, 0x7ff, 0x6, r6}, 0x10) listxattr(&(0x7f0000004000)='./file0\x00', &(0x7f0000002000-0x8e)=""/142, 0x8e) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000007000-0x10)={r3, 0x1, 0x6, @empty}, 0x10) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$KDGKBMODE(r2, 0x4b44, &(0x7f0000007000)) 2018/02/05 08:34:31 executing program 3: r0 = dup(0xffffffffffffff9c) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000098000)=0x1, 0x4) ioctl$SNDRV_TIMER_IOCTL_STOP(r0, 0x54a1) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f00003ab000)=0x9, 0x4) ftruncate(r0, 0xfffffffffffffffc) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000001000-0x4), &(0x7f0000cd4000)=0x4) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCGBITSND(r0, 0x80404532, &(0x7f0000001000)=""/4096) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000002000)={0x0, 0x3f}, &(0x7f0000002000)=0x8) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f0000001000)=r1, 0x4) close(r0) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000001000-0x4)=0x3, 0x4) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000004000-0x4), &(0x7f0000002000-0x4)=0x4) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r0, 0xc08c5334, &(0x7f0000001000)={0xdf, 0x5, 0x5ea8, 'queue0\x00', 0x7}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) recvfrom$inet6(r0, &(0x7f0000005000-0xa)=""/10, 0xa, 0x2, &(0x7f0000002000)={0xa, 0x2, 0x8, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x5}, 0x1c) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TUNSETSNDBUF(r0, 0x400454d4, &(0x7f0000005000)=0x8) prctl$seccomp(0x16, 0x1, &(0x7f0000006000-0x10)={0x2, &(0x7f0000000000)=[{0x1, 0x9, 0x4, 0x57}, {0x2589, 0x7, 0x7, 0xa1b}]}) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000006000)=@req3={0xffffffff, 0x3fffffff8, 0x80000000, 0x7ff, 0x7fffffff, 0x80000001, 0x1}, 0x1c) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000007000)={0x0}) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f0000009000-0xc)={@loopback, @multicast2, 0x0}, &(0x7f0000005000-0x4)=0xc) mmap(&(0x7f0000008000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) recvfrom$packet(r0, &(0x7f0000005000)=""/127, 0x7f, 0x40010001, &(0x7f0000009000-0x4)={0x11, 0x17, r3, 0x1, 0x7ff, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa], 0x0, 0xaa}}, 0x14) 2018/02/05 08:34:31 executing program 1: sysinfo(&(0x7f000074f000-0xdf)=""/223) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x101000, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TUNSETSNDBUF(r0, 0x400454d4, &(0x7f0000000000)=0x1107) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000001000-0x50)={@generic="f82bf9bb11db6590c19cbf723550f1b6", @ifru_data=&(0x7f0000001000-0x20)="4f76c8f7ccacad5293995aa7df3abb845dac0576783b744a1b7a8aa4f355216a"}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_netrom_SIOCGSTAMP(r0, 0x8906, &(0x7f0000001000)) write$selinux_access(r0, &(0x7f0000001000)={'system_u:object_r:memory_device_t:s0', 0x20, 'system_u:system_r:kernel_t:s0', 0x20, 0x30, 0x30}, 0x46) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f0000001000)) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000002000-0xe8)={{{@in6=@empty, @in6=@local, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@local}}, &(0x7f0000001000-0x4)=0xe8) fstat(r0, &(0x7f0000001000-0x44)={0x0, 0x0, 0x0, 0x0, 0x0}) setreuid(r1, r2) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000001000-0x8)) syz_extract_tcp_res(&(0x7f0000001000-0x8), 0x7, 0x1) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000002000)=0xec8, 0x4) sigaltstack(&(0x7f0000001000/0x2000)=nil, &(0x7f0000002000-0x8)) sysfs$3(0x3) openat$selinux_member(0xffffffffffffff9c, &(0x7f0000001000)='/selinux/member\x00', 0x2, 0x0) ioctl$TCGETS(r0, 0x5401, &(0x7f0000001000-0x24)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$inet6_sctp(0xa, 0x1, 0x84, &(0x7f0000004000-0x8)) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000005000-0x88)={0x0, 0x80, "f317b0804919a721c1458ba6431acdab3cefa60cd50ded303c3a9153850ec3dd38680eece35631e1c9f9ead4856f6e0a99334ab9f71691217385a9acb3519452ebd811ae48fd7416bc3760c0ac1c359bc461c90f6e778e0b62f536d7764e903d6db0a59899f872aac4dc7993377bc005922ab8549b2dc9c12ef9140eeaff33c8"}, &(0x7f0000005000-0x4)=0x88) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000005000-0xc)={r3, 0x7ff, 0x2, [0x7f, 0x3]}, &(0x7f0000004000)=0xc) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) timer_create(0x5, &(0x7f0000002000)={0x0, 0xf, 0x2, @tid=0xffffffffffffffff}, &(0x7f0000005000)=0x0) timer_settime(r4, 0x1, &(0x7f0000001000-0x20)={{0x0, 0x1c9c380}, {0x0, 0x1c9c380}}, 0x0) 2018/02/05 08:34:31 executing program 2: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000bdf000-0x4)=0x0) sched_getparam(r0, &(0x7f000019b000)) r1 = openat(0xffffffffffffff9c, &(0x7f00006c1000-0x8)='./file0\x00', 0x10000, 0x100) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TIOCLINUX2(r1, 0x541c, &(0x7f0000000000)={0x2, 0x5, 0x1, 0x77d3, 0x3f, 0x1f}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sched_setparam(r0, &(0x7f0000002000-0x4)=0x2) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000003000-0x4)=0x5) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) link(&(0x7f0000003000)='./file0\x00', &(0x7f0000004000-0x8)='./file0\x00') fallocate(r1, 0x2, 0x200000, 0x1c3) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000000)={0x0, 0x3, 0x30, 0x40}, &(0x7f0000002000-0x4)=0x18) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000005000-0x8)={0x0, 0x6}, &(0x7f0000004000)=0x8) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000004000)={0x0, @in6={{0xa, 0x0, 0x1, @dev={0xfe, 0x80, [], 0x0, 0x15}, 0xdce6}}, 0x100000001, 0x18, 0x33, 0x3, 0x3d}, &(0x7f0000005000-0x4)=0xa0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sendmsg$inet_sctp(r1, &(0x7f0000005000-0x38)={&(0x7f0000004000)=@in6={0xa, 0x1, 0x8000, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x1}, 0x1c, &(0x7f0000001000-0x70)=[{&(0x7f0000004000)="1bcdcc2e7a226861b4da095d89a728497b34592d5c75b19069c86050c811d50f647aedd30d1e03964e35af07e73e83d78114874e0a196809ef5855da7def13195cddd72bf2a4720eaa440fbaef738a1a4c75df7a2729aa304a27c01b472d6e0b735643986132d565bd667fabac6aa9c945d9d4d698621cc1af256e4038a967de242e93e3dfe7f1eab894c152a2526cf7565f3c3b81ec2bd8a6eeae9343", 0x9d}, {&(0x7f0000005000-0xcb)="62cbfcfbab379ebc3e26e3915ac2daccf466cdb1b74d9eb652ee0f2d09daeec9737cd7374423845400fc4bfed02c736c3bbb9fa0860b2dd650890f330cd4e6e1c31ffa9f5509d0ac577e97182b06d0a2ee4d4d137f10942f440bf4b89eb332be23aba212b8a0f5e5f7806e25152746401d6835153ce86b7fa4c206f268263f04a728839612377a2c4006108cf2013b14383171ec46525c5bc2fb7eab4da9b538ebe7c5b5aa9dabe0af809020c09b0ab3b00478e626ce8763bcf7da647187bdf6a991a89fd0031a1f45b26b", 0xcb}, {&(0x7f0000004000+0x97c)="73f1eb6bcf70641a6d2001313bfe6e8c6712a40101ceaf1a9cd8f6d995bf7611c91652b4b5acb300ad8a219a3160311aca0d6d01ce3d859ce3ed6efcc40accde1c76031218f081573a7b6eb05363499c4353858f432f195f9f644163590f81f3300ef7de2cd557244145e01fe1f46681a5f46b92cb8b3aabf2bec8fb32982496bf1b28e235ad7b77fdc9423ac7efe9ec23dcf99a0cd9b21ec0fe7b6f0dcafe7f806abd367a5a", 0xa6}, {&(0x7f0000004000+0x4df)="edaa99af95e61fde22157334302dada249740bd2d8a52ba4a5b91fbfc7a5d8a9efea63ad19c71cd558606e2c6d314b814a1cfa9ae1393a7c42d24648ebcf8014", 0x40}, {&(0x7f0000004000)="4e8782616d1981818cbb02f150d7ee1e50606de37f967a7df936da889446ff0a6e65bf99ca750840b412808213b51cbd6a0bbe07707755e6edae1c53e9f509f627c456f810677994254cada6fa443497acff87ad5dff359b6bd07e2322b4d735e87eaee7d7e528d9591da922701aece7ab05df3fcedf9ceaca3833af8714eedfcf178dece593e7338cd84bc6bde07558bda3312859860100a468", 0x9a}, {&(0x7f0000002000)="16d319d46aba9de05a9dfda1bcde52f08eb1e8ab8f040dcf2c8549fb9472fc57a10259ffaebb1036664dbab459e5554f356c2a0bf865fc44643981892a382bcc77fb357452119e57dfd1de7a92d8b1fb2c472d6a87a4792126d0ffb30940a53cf3f1db7227c9c6b710e4a75a9dd43fb6f4bc82ba062724730beaa8ccc0a91ad36d0055cb8cadea8f226d7e354b13ba0533455ccbc08195482055ea694b6b69d96ac75b15eb6e8801981582f762cc5861db2fc5ae2812f0ebcbeb1c", 0xbb}, {&(0x7f0000004000-0x11)="e4049ac61ecd60c9235c107a77f1140d1fa7a64c981b08d81764d7c8a91034141ceeb65a1f7c17c5b931aa404afcc6d9c8a38b83183b76072e1994bdf316d32ae2449543401516c883c60b714780fd64ce2fc49a2ba4360b90ae01463dff32d880d2e0010b2e694e338694cbefc581f336cdd8b123f001f15547412135ffd9c0e100f765b7eb23c54097d2a61fe95353aeada9b1ec4fdae191a6c0c866b5b5aa9639", 0xa2}], 0x7, &(0x7f0000004000)=[@sndinfo={0x20, 0x84, 0x2, {0x7, 0x1, 0x3be, 0x1, r2}}, @init={0x18, 0x84, 0x0, {0xa1, 0x0, 0x400, 0x95}}, @sndrcv={0x30, 0x84, 0x1, {0x2, 0x5, 0x5, 0x8, 0xcd5, 0x4, 0x100000001, 0x1, r3}}, @sndinfo={0x20, 0x84, 0x2, {0x5, 0x2, 0x62b7, 0x100000001, r4}}, @init={0x18, 0x84, 0x0, {0x80, 0x3, 0x3, 0xeef}}], 0xf0}, 0x40004) ptrace$peekuser(0x3, r0, 0xf56) 2018/02/05 08:34:31 executing program 5: mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x2000, 0x60) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f00006e6000-0x50)={0x110, @tick=0x6, 0x4, {0xc49, 0x800}, 0xffffffffffffffd0, 0x2, 0x3}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = add_key(&(0x7f0000001000)='big_key\x00', &(0x7f0000001000)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000001000)="1f1ca9fb948876df5950e241ae60b855f3ec7862030325ed0c862a3691cb0cdee715b258a1f03066692ac136b2561cb1f0718097ee59a4085d824810d2065bb5ebf7d6b5ffdc73af027c8db7201aa4a1", 0x50, 0xfffffffffffffff9) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = add_key(&(0x7f0000001000-0x5)='ceph\x00', &(0x7f0000001000)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000002000-0xe1)="368d10bc771502ad8c7f81310bdd6ebea53e27859189a9441a12f249121310d05c38e01f0df530b406154719cabfcb3bb0bed503f2b3f657319737384f023c3f98f30be431d516f3221042a20ca3dbdf1dd82c182cb5f02387381798a559f3c6a8f2dc30d85e6a7eed222ae152b3e3d1aac0dec7e05eb5b3479f66413cfabf294778c22f8676ce39b56805f1d52ba9c91471470a9a329c2c95bf72278abc9f44814b8ba62d4d20d473c65e8e6a586ae32a5fb934a7df7e66d7e3ee445e56a4e6d89b491b57ddabcb99ac282bff69433d8ac180d536077120c9e2f00a72ce8ccb64", 0xe1, 0xfffffffffffffffb) keyctl$search(0xa, r1, &(0x7f0000002000-0xa)='syzkaller\x00', &(0x7f0000001000-0x5)={0x73, 0x79, 0x7a, 0x1}, r2) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000002000)) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r0, 0xc08c5332, &(0x7f0000004000-0x8c)={0x67, 0x3ff, 0x3, 'queue0\x00', 0xff}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r0, 0xc058534f, &(0x7f0000005000-0x58)={{0x81, 0x5}, 0x1, 0xffff, 0x7, {0x7, 0xc2d}, 0x1, 0x5}) socket$nl_route(0x10, 0x3, 0x0) r3 = dup2(r0, r0) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ustat(0x3, &(0x7f0000005000)) ioctl$DRM_IOCTL_DROP_MASTER(r0, 0x641f) r4 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000005000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getpeername(r3, &(0x7f0000001000-0x10)=@can, &(0x7f0000006000)=0x10) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r4, 0x84, 0x75, &(0x7f0000006000-0x8)={0x0, 0x1}, &(0x7f0000004000)=0x8) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f0000007000)={r5, 0x3, 0x30, 0x400, 0x3}, &(0x7f0000008000-0x4)=0x18) 2018/02/05 08:34:31 executing program 4: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000550000)='/selinux/enforce\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r0, 0xc08c5336, &(0x7f0000001000-0x8c)={0x8, 0x4, 0x4, 'queue0\x00', 0xffffffffffff0001}) r1 = fcntl$dupfd(r0, 0x406, r0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) recvmsg(r1, &(0x7f0000001000-0x38)={&(0x7f0000000000)=@alg, 0x58, &(0x7f0000001000-0x80)=[{&(0x7f0000002000-0x1000)=""/4096, 0x1000}, {&(0x7f0000002000-0xe6)=""/230, 0xe6}, {&(0x7f0000002000-0x86)=""/134, 0x86}, {&(0x7f0000001000-0x1f)=""/31, 0x1f}, {&(0x7f0000001000-0x8a)=""/138, 0x8a}, {&(0x7f0000000000)=""/250, 0xfa}, {&(0x7f0000001000)=""/228, 0xe4}, {&(0x7f0000001000)=""/98, 0x62}], 0x8, &(0x7f0000002000-0x1000)=""/4096, 0x1000, 0x9}, 0x20) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = accept4$inet6(r0, &(0x7f0000001000)={0x0, 0xffffffffffffffff, 0x0, @empty}, &(0x7f0000002000)=0x1c, 0x80800) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000001000-0x8)={0x0, 0x0}) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$TIOCMBIS(r1, 0x5416, &(0x7f0000003000)=0x1) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) connect$netrom(r4, &(0x7f0000004000)=@ax25={0x3, {"7be47ebc10edbc"}, 0x3}, 0x10) ioctl$KDSETLED(r0, 0x4b32, 0xffffffffffffffff) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$GIO_FONT(r0, 0x4b60, &(0x7f0000005000)=""/166) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x0, 0x22010, r2, 0x0) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000007000-0x6)={0x0, 0x0, 0x0, 0x3}, &(0x7f0000004000-0x4)=0x10) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000007000-0x8)={r5, 0x8}, 0x8) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) pwritev(r0, &(0x7f0000008000-0x20)=[{&(0x7f0000003000)="ff8e032dc13e2325335b9732569e20ae7ad6d6a2f091d52f8ccd750d0111dddc1318d9850dff5805d627e34fe29a84642d6f78de1cc2f6c49de1d5f9c62e751f4523f55c81a68c4afe22370b9744cfd152125afe1d8fa1ef3be0d97d340b9d9adab614153476b9c14c8b199698cfb5431ba3723827d03727573e0ffed904f3bfcc072a666eb6fa86811f0fd4e33936d232336c0514e9ccf063ae91ec06fd967e25166effe0fe246f8b4fa42faaff402b4400ee80a43b4204d3243507046d8c487cf2508e2b2aa7b6e758b528496f2c7a95b64a7a6880d718cd9b7b968ff577a7b604c75fd1d4e3da90de", 0xea}, {&(0x7f0000006000)="8713043a12f7ee29ddc3b5e4dc15a5ef85de3049eb7935a54aaa0d032fa8e26abb8fbe2a1bd1b3007c6ccaa7ff9dfeb1898da792d3ca073c39a7182e87b749c922504631dadabf330bac0782", 0x4c}], 0x2, 0x0) fcntl$dupfd(r3, 0x406, r1) ioctl$KDGETLED(r4, 0x4b31, &(0x7f0000005000-0x1)) 2018/02/05 08:34:31 executing program 6: r0 = syz_open_pts(0xffffffffffffffff, 0x280000) ioctl$KDENABIO(r0, 0x4b36) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f0000001000-0x8)='./file0\x00', 0x0, 0x3c) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x2c, &(0x7f0000001000-0x2c)=[@in6={0xa, 0x3, 0x2, @loopback={0x0, 0x1}, 0x200}, @in={0x2, 0x2, @broadcast=0xffffffff}]}, &(0x7f0000000000)=0x10) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000001000-0x8)=@assoc_value={r2, 0x80}, 0x8) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) fgetxattr(r1, &(0x7f0000001000)=@known='system.sockprotoname\x00', &(0x7f0000002000-0xdc)=""/220, 0xdc) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000002000)={r2, 0x8, 0x20, 0x5, 0x80}, &(0x7f0000001000-0x4)=0x18) ioctl$TCSBRKP(r0, 0x5425, 0x8) bind$netlink(r1, &(0x7f0000002000)={0x10, 0x0, 0x0, 0x81}, 0xc) mmap(&(0x7f0000003000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000004000-0x10)=@common='bpq0\x00') mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000000)={r3, 0x8133, 0x3763}, &(0x7f0000004000)=0x8) mmap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$GIO_SCRNMAP(r0, 0x4b40, &(0x7f0000005000)=""/9) mmap(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet6_int(r1, 0x29, 0x1, &(0x7f0000006000), &(0x7f0000000000)=0x4) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000007000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) kexec_load(0xffffffff, 0x7, &(0x7f0000003000)=[{&(0x7f0000007000)="62364b4c64d184df8fd8bea25ff0062c57bd8792caaf58676b00e98d768437589176df134b028a021f0ea803d6976d0c7bb1559e5e67a3a98faea9ed64e65fd807ffee695ef92f70d67a0ed7aa08af3702f50a95a6cd72cb93658b90034b4b8486e5c941b9ef81423ae0c701cbc18b448210e4fa1452e19923f66083ef058a2992ddece14abe79bcde6c59874f07678d45", 0x91, 0x0, 0x9}, {&(0x7f0000007000-0x35)="cb1f3b552b4dd24db81c63f70387115c1a7fdf399e7277385dcc707da5548a697058d8c87feed4249dcac473f9c6638f4c10d79bc3", 0x35, 0x8, 0x7}, {&(0x7f0000007000)="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", 0x1000, 0x8000, 0x9}, {&(0x7f0000008000-0xae)="c786bd48c2ce673aa652cfbd57f68a514e382141ece3da81846eea47071662f734b7f06839cdfe0a32f87919fa7666e6578a0a280b4522e95ceb386ad4372481057a16facf21d5bec85d8920d9deff551fb4012c75fbedee641d27d0f623cc670563279239fb641a2f229669a6143ad5f6f7d70d617a2a2beaef61ac68ceae798b2e3df864d05088f3aea2c96a10574ee0fe5b0d92768181859b9f531c139913f7845632fa0c2190fc24a000146e", 0xae, 0x10001, 0x6}, {&(0x7f0000008000-0x95)="ba56c884a498db564b6f2d776f6c824e01fc3c20e2b72e6555797dde2c004afc09979f2142c539342d31140f1b83826a8f20f3c20c89c163802e56365b497fbca6457f7934f6633eb4fcd05305ccfc5956ef50ed3e70f8c737d35c6b7cdda4e0a959f89b76d3e4950253bf16c9285f9fa9b237a5f11e98f77359f4384782bc580356b24c6526887889e5b4cfe3f536d769fc76da96", 0x95, 0x44, 0x115}, {&(0x7f0000008000-0x59)="520a6fb9660a658a9ea8c0eec4c81a2c57af2c3fc27e2ba8c4fbbcb04bae1b3bf885e47dc9ff94714f131cb136fe8364767f624ab54d411004ed62561eca9930c7b60e368e2853b5e4886512667cafa8c2366f8f07a2d6e987", 0x59, 0xd9, 0x7}, {&(0x7f0000006000-0x84)="aff3c1e1d4772e0d4d19365376f1754335b269cfd9e49e8826cf89293d9510c747c9ee5a56d026e3801efc484ca2864f13568213c7c3f5c793e7dff3789630c7c3d75ad9ac5a68cb53796722c69a8d228c79af70b6b81f2adc75bcae70ba95c247635c49b112cf5f920dde181cf5923bc532ebec05e7c1d7b19131e0db9ec2b589c2e21a", 0x84, 0xe3, 0x100000000000}], 0x3e0001) [ 59.097279] IPVS: Creating netns size=2552 id=1 [ 59.140961] IPVS: Creating netns size=2552 id=2 [ 59.202554] IPVS: Creating netns size=2552 id=3 [ 59.251656] IPVS: Creating netns size=2552 id=4 [ 59.320569] IPVS: Creating netns size=2552 id=5 [ 59.408111] IPVS: Creating netns size=2552 id=6 [ 59.515437] IPVS: Creating netns size=2552 id=7 [ 59.614504] IPVS: Creating netns size=2552 id=8 2018/02/05 08:34:33 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000378000)='/dev/loop-control\x00', 0x0, 0x0) r1 = open(&(0x7f00002c2000)='./file0\x00', 0x0, 0x40) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000679000-0x4)=0x6, 0x4) r2 = dup(r0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, &(0x7f000014e000)={0x0, &(0x7f0000b70000-0xce)=""/206, &(0x7f0000dd8000-0x30)=[]}) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_ADD(r2, 0x4c81, r3) ioctl$LOOP_CTL_REMOVE(r2, 0x4c80, 0x0) sendto$ipx(r2, &(0x7f0000f76000)="9a5039797bcafa6358cd6232b6c393f57ab89316561e546f700a58e01f269d002fe995e0eab8aefd368025d854a6211357b7c87d293d081faf3ad3147b042345e46027ef862d096ab072d9b85a069ce01b4f900c73b66ff6f7202ac174dddae1cf9b89761de84120785bfd7e6a5a629f1ed7f2cead6ad15851e2eb2430559bd15c8f44249c91f9ad5b1585dc9c3c81b69851a442c06094896cf0c3c0daf9c4ccb221ede362420de5b3335b824a0caa898989be26f77dc17c6c", 0xb9, 0x8800, &(0x7f0000f7b000-0x10)={0x4, 0xfff, 0x1, "3b418750ab26", 0x1}, 0xe) setsockopt$inet_dccp_int(r2, 0x21, 0x0, &(0x7f0000851000-0x4), 0x4) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f000006b000-0x8)={0x0, 0x1}) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f000068a000)) [ 62.140575] audit: type=1326 audit(1517819674.153:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=4902 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 [ 62.232840] audit: type=1326 audit(1517819674.243:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=4902 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 2018/02/05 08:34:34 executing program 0: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$tun(&(0x7f0000e2d000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000b1f000)={@common='eql\x00', @ifru_map={0xe70a}}) r1 = syz_open_dev$tun(&(0x7f00006dd000-0xd)='/dev/net/tun\x00', 0x0, 0x100) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000d89000)={@common='eql\x00', @ifru_names=@syzn={0x73, 0x79, 0x7a}}) write$tun(r1, &(0x7f0000955000)=@hdr={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x28, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @empty, @broadcast=0xffffffff, {[]}}, @tcp={{0xffffffffffffffff, 0xffffffffffffffff, 0x42424242, 0x42424242, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, {[]}}}}}, 0x32) r2 = dup2(r0, r1) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f0000ef7000-0x12)={0x7, [0x5, 0x7, 0x4, 0x8, 0x101, 0x40, 0x400]}, 0x12) 2018/02/05 08:34:34 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000378000)='/dev/loop-control\x00', 0x0, 0x0) r1 = open(&(0x7f00002c2000)='./file0\x00', 0x0, 0x40) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000679000-0x4)=0x6, 0x4) r2 = dup(r0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, &(0x7f000014e000)={0x0, &(0x7f0000b70000-0xce)=""/206, &(0x7f0000dd8000-0x30)=[]}) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_ADD(r2, 0x4c81, r3) ioctl$LOOP_CTL_REMOVE(r2, 0x4c80, 0x0) sendto$ipx(r2, &(0x7f0000f76000)="9a5039797bcafa6358cd6232b6c393f57ab89316561e546f700a58e01f269d002fe995e0eab8aefd368025d854a6211357b7c87d293d081faf3ad3147b042345e46027ef862d096ab072d9b85a069ce01b4f900c73b66ff6f7202ac174dddae1cf9b89761de84120785bfd7e6a5a629f1ed7f2cead6ad15851e2eb2430559bd15c8f44249c91f9ad5b1585dc9c3c81b69851a442c06094896cf0c3c0daf9c4ccb221ede362420de5b3335b824a0caa898989be26f77dc17c6c", 0xb9, 0x8800, &(0x7f0000f7b000-0x10)={0x4, 0xfff, 0x1, "3b418750ab26", 0x1}, 0xe) setsockopt$inet_dccp_int(r2, 0x21, 0x0, &(0x7f0000851000-0x4), 0x4) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f000006b000-0x8)={0x0, 0x1}) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f000068a000)) 2018/02/05 08:34:34 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000378000)='/dev/loop-control\x00', 0x0, 0x0) r1 = open(&(0x7f00002c2000)='./file0\x00', 0x0, 0x40) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000679000-0x4)=0x6, 0x4) r2 = dup(r0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, &(0x7f000014e000)={0x0, &(0x7f0000b70000-0xce)=""/206, &(0x7f0000dd8000-0x30)=[]}) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_ADD(r2, 0x4c81, r3) ioctl$LOOP_CTL_REMOVE(r2, 0x4c80, 0x0) sendto$ipx(r2, &(0x7f0000f76000)="9a5039797bcafa6358cd6232b6c393f57ab89316561e546f700a58e01f269d002fe995e0eab8aefd368025d854a6211357b7c87d293d081faf3ad3147b042345e46027ef862d096ab072d9b85a069ce01b4f900c73b66ff6f7202ac174dddae1cf9b89761de84120785bfd7e6a5a629f1ed7f2cead6ad15851e2eb2430559bd15c8f44249c91f9ad5b1585dc9c3c81b69851a442c06094896cf0c3c0daf9c4ccb221ede362420de5b3335b824a0caa898989be26f77dc17c6c", 0xb9, 0x8800, &(0x7f0000f7b000-0x10)={0x4, 0xfff, 0x1, "3b418750ab26", 0x1}, 0xe) setsockopt$inet_dccp_int(r2, 0x21, 0x0, &(0x7f0000851000-0x4), 0x4) ioctl$KDSETKEYCODE(r2, 0x4b4d, &(0x7f000006b000-0x8)={0x0, 0x1}) ioctl$sock_inet6_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f000068a000)) 2018/02/05 08:34:34 executing program 3: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f00007dc000)='./file0\x00', 0x0, 0x100) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f000061a000-0x1000)=""/4096) r1 = socket(0xa, 0x2400000001, 0x0) capget(&(0x7f000003a000), &(0x7f0000034000)={0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000123000-0xf)='/dev/sequencer\x00', 0x400000, 0x0) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r2, 0x40505412, &(0x7f00005dd000-0x50)={0x2, 0x81, 0x8, 0x0, 0x6}) setsockopt$inet6_group_source_req(r1, 0x29, 0x2c, &(0x7f00004b2000-0x108)={0xffffffffffffffc1, {{0xa, 0x3, 0x1, @loopback={0x0, 0x1}, 0x5}}, {{0xa, 0x3, 0xed, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x0, 0xaa}}, 0x7fff}}}, 0x108) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000673000-0x88)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x88) ioctl$DRM_IOCTL_SET_CLIENT_CAP(0xffffffffffffffff, 0x4010640d, &(0x7f0000299000)={0x0, 0xa}) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f000032c000)={0x0, {{0xa, 0xffffffffffffffff, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r2, 0xc08c5336, &(0x7f0000af4000)={0xfffffffffffffffb, 0x9, 0x2, 'queue1\x00'}) ppoll(&(0x7f00004ee000)=[{r1, 0x1}], 0x1, &(0x7f0000c34000-0x10)={0x77359400}, &(0x7f0000a8c000-0x8)={0x7ff}, 0x8) getsockopt$inet6_buf(r1, 0x29, 0x10000000000030, &(0x7f0000035000-0x1000)=""/144, &(0x7f0000001000-0x4)=0x90) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r2, 0xc0305302, &(0x7f0000e58000-0x30)={0xfffffffffffffff7, 0x100000000, 0x10000, 0x2, 0x7e50a91b}) getsockopt$ipx_IPX_TYPE(r2, 0x100, 0x1, &(0x7f0000fd9000), &(0x7f000048b000)=0x4) 2018/02/05 08:34:34 executing program 1: r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) bind$netlink(r0, &(0x7f00000b3000-0xc)={0x10, 0x0, 0x0, 0x4100000}, 0xc) socket$netlink(0x10, 0x3, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$EVIOCSCLOCKID(r0, 0x400445a0, &(0x7f0000000000)=0x4) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x32, 0xffffffffffffffff, 0x0) getsockopt$netlink(r0, 0x10e, 0x4, &(0x7f0000949000)=""/20, &(0x7f0000759000-0x4)=0x1cd) 2018/02/05 08:34:34 executing program 2: mmap(&(0x7f0000000000/0x1f000)=nil, 0x1f000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) read(r0, &(0x7f0000003000), 0x0) sendmsg$nl_route(r0, &(0x7f000001c000-0x38)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f000001e000-0x24)=@ipv6_newroute={0x24, 0x18, 0x501, 0xffffffffffffffff, 0xffffffffffffffff, {0xa}, [@RTA_PREF={0x8, 0x14}]}, 0x24}, 0x1}, 0x0) 2018/02/05 08:34:34 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000b86000-0x8)='./file0\x00', &(0x7f0000019000-0x6)='ramfs\x00', 0x50, &(0x7f0000fd0000-0x1c)="2fdafab69fad535d6c4c10127092de9da22a0119bae0548d014ace34") r1 = creat(&(0x7f0000139000)='./file0/bus\x00', 0xbc9dc8fbd81cb4b1) fcntl$lock(r1, 0x7, &(0x7f0000027000)={0x1}) unshare(0x40600) pwrite64(r1, &(0x7f0000f3e000)="cf", 0x1, 0x0) clone(0x0, &(0x7f0000445000), &(0x7f0000f1d000-0x4), &(0x7f0000d5a000), &(0x7f00002a7000)) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000584000)=@common='ip6_vti0\x00') r2 = creat(&(0x7f00001d4000-0xc)='./file0/bus\x00', 0x0) dup2(r2, r1) setsockopt$sock_int(r0, 0x1, 0x9, &(0x7f00008f9000)=0x3, 0x4) sendto$inet6(r0, &(0x7f0000f6f000), 0xfffffffffffffe64, 0x20000004, &(0x7f00006cb000-0x1c)={0xa, 0xffffffffffffffff, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x4}, 0x1c) listen(r1, 0x9d8c) ioctl$DRM_IOCTL_SET_VERSION(r1, 0xc0106407, &(0x7f000021d000)={0xffff, 0x4, 0xfff, 0x5}) setsockopt$inet6_tcp_int(r0, 0x6, 0x4, &(0x7f0000e80000-0x4)=0x9, 0x4) 2018/02/05 08:34:34 executing program 5: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000df4000)={0x0}, 0x4800) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000bd6000)=0x5fab, 0x4) r1 = syz_open_procfs(0x0, &(0x7f0000865000-0xa)='ns/net\x00') setns(r1, 0x0) 2018/02/05 08:34:34 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f00003f9000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) fdatasync(r0) seccomp(0x200000000000001, 0x0, &(0x7f00008ff000)={0x1, &(0x7f0000f91000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) pread64(0xffffffffffffffff, &(0x7f0000471000)=""/181, 0xb5, 0x0) ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f00003f3000-0x24)={0x4, 0x41fb, 0x8, 0x6, 0x4, 0x6eb7, 0x100000001, 0x1, 0x400, 0x8, 0x5, 0x659}) [ 62.522146] syz-executor6 (4992) used greatest stack depth: 24272 bytes left 2018/02/05 08:34:34 executing program 5: r0 = socket$packet(0x11, 0x0, 0x300) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) recvmsg(r0, &(0x7f00000ee000-0x38)={&(0x7f0000000000)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, 0x10, &(0x7f00009c9000-0x30)=[{&(0x7f00005c6000)}, {&(0x7f00005af000-0x1000)=""/4096, 0x1000}, {&(0x7f0000000000)=""/208, 0xd0}], 0x3, &(0x7f0000001000-0xfc)=""/252, 0xfc, 0x100000001}, 0x100) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r1, &(0x7f0000de2000-0x1), 0x71, 0x20008045, &(0x7f000057f000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) getpeername$inet(r1, &(0x7f000066f000-0x10)={0x0, 0xffffffffffffffff, @local}, &(0x7f00002ea000-0x4)=0x10) 2018/02/05 08:34:34 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$inet6(0xa, 0x5, 0xfff, &(0x7f0000975000)={0x0, 0x0}) getsockname(r0, &(0x7f0000834000-0x10)=@can, &(0x7f0000be2000)=0x10) r2 = socket$unix(0x1, 0x1, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000f62000-0xc)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_AGP_ACQUIRE(r3, 0x6430) socketpair$unix(0x1, 0x5, 0x0, &(0x7f000000b000-0x8)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setstatus(r2, 0x4, 0x400) sendmsg$unix(r4, &(0x7f0000001000-0x38)={&(0x7f0000239000-0x8)=@abs={0x0, 0x0, 0x0}, 0x8, &(0x7f0000008000)=[], 0x0, &(0x7f0000001000-0x10)=[@rights={0x200, 0x1, 0x1, [r2]}], 0x1}, 0x0) recvmsg(r5, &(0x7f000000e000)={0x0, 0x0, &(0x7f000008b000)=[], 0x0, &(0x7f000000c000), 0xfc13}, 0x0) r6 = getpid() getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000633000)={0x0, 0x80, 0x10000, 0x4}, &(0x7f00003df000)=0x10) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f00004b3000)={r7, @in6={{0xa, 0x2, 0x6, @mcast1={0xff, 0x1, [], 0x1}, 0x2b29}}}, 0x8c) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00005b5000)={0x0, 0x2, 0xce, 0x3ff}, &(0x7f000045a000-0x4)=0x10) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f000038f000-0x8)=@assoc_value={r8, 0x1}, &(0x7f0000f7a000)=0x8) waitid(0x2, r6, 0x0, 0x20000000, &(0x7f0000ae7000)) pipe(&(0x7f000022e000)={0x0, 0x0}) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r10, 0x84, 0x6f, &(0x7f0000dd7000)={r9, 0xe4, &(0x7f00005cb000)=[@in6={0xa, 0x2, 0x55, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0xd247}, @in6={0xa, 0x3, 0x2, @mcast1={0xff, 0x1, [], 0x1}, 0x5}, @in6={0xa, 0x0, 0x4, @mcast1={0xff, 0x1, [], 0x1}, 0x2}, @in6={0xa, 0x2, 0x1, @empty, 0x80000000}, @in6={0xa, 0x1, 0x4820, @mcast2={0xff, 0x2, [], 0x1}, 0x7ff}, @in={0x2, 0x3, @empty}, @in6={0xa, 0x1, 0x1, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, @in={0x2, 0x2, @loopback=0x7f000001}, @in6={0xa, 0x2, 0x1, @remote={0xfe, 0x80, [], 0x0, 0xbb}, 0x20}]}, &(0x7f000053d000-0x4)=0x10) 2018/02/05 08:34:34 executing program 3: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000006000), 0x8, 0x0) r1 = gettid() timer_create(0x3, &(0x7f0000dbc000-0x60)={0x0, 0x14, 0x4, @tid=r1}, &(0x7f0000044000)) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000b64000)='/dev/sequencer\x00', 0x1, 0x0) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000d4f000-0xe8)={{{@in=@dev, @in=@rand_addr}}, {{@in6=@dev}, 0x0, @in6=@remote}}, &(0x7f00001c7000-0x4)=0xe8) clock_gettime(0x0, &(0x7f000035f000)={0x0, 0x0}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f00003bd000)={0x0, 0x1bfb, 0x6, 0x6, 0x12b1}, &(0x7f0000844000)=0x14) getsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f00009a7000-0x4)=@assoc_id=r4, &(0x7f0000e5a000)=0x4) ppoll(&(0x7f0000835000-0x30)=[{r0}], 0x1, &(0x7f000005b000+0xd56)={0x0, r3}, &(0x7f000005b000)={0xfffffffffffffffe}, 0x8) timer_settime(0x0, 0x1, &(0x7f000020b000-0x20)={{}, {0x0, 0x9}}, &(0x7f0000002000-0x20)) r5 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f00002f9000)='/dev/pktcdvd/control\x00', 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(r5, 0x541b, &(0x7f0000066000-0x4)) 2018/02/05 08:34:34 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00008f0000+0xa07)='pagemap\x00') mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x0, 0x4d031, 0xffffffffffffffff, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000031000)=0x0) fcntl$setown(r0, 0x8, r1) pread64(r0, &(0x7f0000c4c000)=""/8, 0x8, 0x10001e) 2018/02/05 08:34:34 executing program 2: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00006c1000-0x18)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$KDGKBENT(r1, 0x4b46, &(0x7f0000a84000-0x4)={0x2, 0x1, 0x800}) sendmsg$nl_xfrm(r0, &(0x7f000014f000)={&(0x7f000000f000)={0x10}, 0xc, &(0x7f00005a7000-0x10)={&(0x7f0000419000-0x174)=@newsa={0x138, 0x10, 0x713, 0xffffffffffffffff, 0xffffffffffffffff, {{@in6=@local={0xfe, 0x80, [], 0xffffffffffffffff, 0xaa}, @in6=@loopback={0x0, 0x1}}, {@in=@loopback=0x7f000001, 0xffffffffffffffff, 0x6c}, @in6=@loopback={0x0, 0x1}, {}, {}, {}, 0xffffffffffffffff, 0xffffffffffffffff, 0x2, 0x0, 0x0, 0x82}, [@algo_comp={0x48, 0x3, {{"6465666c61746500000000000000000000000000000000000000000000000000000000000000000000f1ffffff00"}}}]}, 0x138}, 0x1}, 0x0) 2018/02/05 08:34:34 executing program 7: mmap(&(0x7f0000000000/0xf89000)=nil, 0xf89000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000f89000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000f89000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = accept4$llc(0xffffffffffffff9c, &(0x7f0000591000-0x10)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000e52000)=0x10, 0x800) read(r0, &(0x7f00008d1000-0xb7)=""/183, 0xb7) openat$keychord(0xffffffffffffff9c, &(0x7f0000c2c000-0xe)='/dev/keychord\x00', 0x4800, 0x0) 2018/02/05 08:34:34 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000-0x18)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000-0x20)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000011000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) select(0x40, &(0x7f0000013000-0x40), &(0x7f0000011000), &(0x7f0000002000-0x40), &(0x7f0000001000+0x311)={0x0, 0x2710}) r1 = syz_open_dev$usbmon(&(0x7f0000011000)='/dev/usbmon#\x00', 0x80000000, 0x10802) setsockopt$inet_MCAST_JOIN_GROUP(r1, 0x0, 0x2a, &(0x7f0000002000)={0x0, {{0x2, 0x0, @rand_addr=0x3}}}, 0x90) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f0000004000)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c1000-0x10)={&(0x7f0000011000/0x3000)=nil, 0x3000}) mprotect(&(0x7f0000f3d000/0x2000)=nil, 0x2000, 0x0) 2018/02/05 08:34:34 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = getpid() r1 = socket$inet(0x2, 0xf, 0x1) fcntl$setlease(r1, 0x400, 0x2) prlimit64(r0, 0xb, &(0x7f00000e0000)={0x0, 0x6363}, &(0x7f0000bf2000-0x10)) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r2, &(0x7f000000b000)={&(0x7f000000f000)={0x10}, 0xc, &(0x7f0000667000)={&(0x7f0000e48000-0x218)=@newsa={0x13c, 0x10, 0x721, 0xffffffffffffffff, 0xffffffffffffffff, {{@in=@rand_addr, @in6=@dev={0xfe, 0x80}}, {@in6=@mcast2={0xff, 0x2, [], 0x1}, 0xffffffffffffffff, 0x2b}, @in6=@loopback={0x0, 0x1}, {}, {}, {}, 0xffffffffffffffff, 0xffffffffffffffff, 0x200000000000002}, [@algo_auth_trunc={0x4c, 0x14, {{'sha1_mb\x00'}}}]}, 0x13c}, 0x1}, 0x0) 2018/02/05 08:34:34 executing program 7: mmap(&(0x7f0000000000/0xfc6000)=nil, 0xfc6000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x12, 0xffffffffff) r1 = dup(r0) mmap(&(0x7f0000fc6000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffff9c, 0xc010640b, &(0x7f0000fc7000-0x10)={0x0, 0x0, 0x4}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000f45000-0xc)={0x0, 0x80000, 0xffffffffffffffff}) mmap(&(0x7f0000fc6000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(r1, 0xc010640b, &(0x7f00007b7000-0x10)={r2, r3, 0x5}) mmap(&(0x7f0000fc6000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) setrlimit(0xf, &(0x7f0000fc7000-0x10)={0x1000, 0xffffffff}) mmap(&(0x7f0000fc6000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000fc6000)="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", 0xfb, 0x10, &(0x7f00001db000-0x1c)={0xa, 0x2, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0xff}, 0x1c) sendmsg$inet_sctp(r0, &(0x7f0000a29000)={&(0x7f0000fc2000-0x1c)=@in6={0xa, 0x2, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x3}, 0x1c, &(0x7f00004d1000-0x40)=[]}, 0x8000) mmap(&(0x7f0000fc7000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f0000fc5000+0x463)="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", 0xb9e, 0x0, &(0x7f0000fc7000)={0xa, 0x2, 0x200000000, @empty}, 0x1c) r4 = openat$keychord(0xffffffffffffff9c, &(0x7f000022c000)='/dev/keychord\x00', 0x4002, 0x0) mmap(&(0x7f0000fc6000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc7000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc7000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000afc000)={0x0}) mmap(&(0x7f0000fc8000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc8000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc8000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc9000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_DMA(r1, 0xc0406429, &(0x7f0000fc8000)={r5, 0x2, &(0x7f0000fc8000)=[0x0, 0x1000], &(0x7f0000fc8000)=[0x0, 0x9], 0x4, 0x1, 0xffffffff926a8e2b, &(0x7f0000fc9000)=[0x8], &(0x7f0000030000)=[0x0]}) mmap(&(0x7f0000fc7000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fc7000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_VERSION(r4, 0xc0406400, &(0x7f0000fc7000)={0x6, 0xfffffffffffffff8, 0xdf, 0xa2, &(0x7f0000fc7000)=""/162, 0x0, &(0x7f0000fc7000), 0x61, &(0x7f0000fc8000-0x61)=""/97}) mmap(&(0x7f0000fc8000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SIOCSIFMTU(r4, 0x8922, &(0x7f0000fc8000)={@generic="b3a00c7df34dce1ab143887a0ca26bc4", 0x2}) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000544000), &(0x7f0000fc6000)=0x4) 2018/02/05 08:34:34 executing program 4: mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000004000-0x16)='/selinux/checkreqprot\x00', 0x40000, 0x0) r1 = userfaultfd(0x80800) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(0xffffffffffffffff, 0x80045113, &(0x7f0000509000)) 2018/02/05 08:34:34 executing program 2: mmap(&(0x7f0000000000/0xfe0000)=nil, 0xfe0000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000dfb000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003ba000-0x24)) r1 = syz_open_pts(r0, 0x22001) r2 = epoll_create(0x401) rt_sigsuspend(&(0x7f0000c1e000)={0x4}, 0x8) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000e35000)) dup2(r2, r0) ppoll(&(0x7f0000fe0000-0x30)=[{r2}], 0x1, &(0x7f0000818000-0x10)={0x0, 0x1c9c380}, &(0x7f0000773000-0x8), 0x8) 2018/02/05 08:34:34 executing program 1: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00008f0000+0xa07)='pagemap\x00') mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x0, 0x4d031, 0xffffffffffffffff, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000031000)=0x0) fcntl$setown(r0, 0x8, r1) pread64(r0, &(0x7f0000c4c000)=""/8, 0x8, 0x10001e) 2018/02/05 08:34:34 executing program 5: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000c77000-0xd)='/selinux/avc/hash_stats\x00', 0x0, 0x0) connect$inet6(r0, &(0x7f0000126000-0x1c)={0xa, 0x3, 0x7ff, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x1}, 0x1c) r1 = socket(0x10, 0x7, 0xfffffffffffffffd) write(r1, &(0x7f0000d99000)="1f00000056007f6d00000d00fc000003072914ffee00ec00000000011d4a51", 0x1f) sendto$inet6(r0, &(0x7f0000926000)="eee88f2099be4d1f17d9c42d1d9b128889b185242af1adbb", 0x18, 0xc0, &(0x7f00005cc000)={0xa, 0x1, 0x8, @empty, 0xd21}, 0x1c) setsockopt$inet6_MRT6_DEL_MFC(r1, 0x29, 0xcd, &(0x7f0000c5e000-0x5c)={{0xa, 0x3, 0x8d6, @mcast1={0xff, 0x1, [], 0x1}, 0xffffffffffff8001}, {0xa, 0x3, 0xa9, @local={0xfe, 0x80, [], 0x0, 0xaa}, 0x9}, 0x401, [0xe2, 0x1b, 0x6, 0x3, 0x8001, 0x7, 0x4, 0x4]}, 0x5c) 2018/02/05 08:34:34 executing program 4: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x1, 0x0) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f00006e1000-0x14), &(0x7f0000344000-0x4)=0x14) r1 = dup(r0) setsockopt$inet_tcp_int(r1, 0x6, 0x2, &(0x7f0000b10000)=0xc2, 0x6677bbc4) bind$inet(r0, &(0x7f00000f1000-0x10)={0x2, 0x3, @multicast2=0xe0000002}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000e9c000-0x10)={0x1, &(0x7f0000f07000)=[{0x6, 0x0, 0x0, 0x101}]}, 0x10) connect$inet(r0, &(0x7f0000987000)={0x2, 0x3, @empty}, 0x10) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000ea9000)={0x2}, 0x4) sendmsg(r1, &(0x7f0000b82000)={&(0x7f0000930000-0x6)=@hci={0x1f}, 0x6, &(0x7f0000e42000)=[{&(0x7f0000781000)="23f25cc4c984636994f457561b9ac6f91889e7487b4265e56f683482a940022e4239329840ddd8d5aef7d8ce9ab6e11bbd767f7a7a089a5f14d706c4a2ad72be84cd66e7dc8cc9ee045660c12f0a5a9a701cf05fb3056b21969c10950e1e9e8c63731bf5795e128526d517b79538d0d025b66d22c36b86f6ed30cdfea5242550285c123836ad6c3bc8ce7716ce3439e32efa86eac4e3c5908733a939532a8500686581936af6cd990ac2f15f9a2bee4ec32c4d4ace7b46e0a313d8441c860a4e5b804007a968f2e9e008e6831574c3a0c0cc9be94b211055a3be43483277364b2c528dfcccf7865815d6987faa17d35925f6dde618cda0f01dc12c4b97f2ae479ed14c6b56c0ad67806448597aa9d5b737ca1680b1e58f20d6046d551b2243701f01b3ff93962e8d4b319b3094be8a05364b1eb85b9d64ca87ed8462f6de7090b6afdea0477eb798ee947f66f847f5ea7fbf45c7b4ca6d39597c56f89a93c7a72d74e4652f4ffc23ef5ea1f46f0cdd4d21d94bb16376a30ad2cc0e6e988d5aa309ca1e64a010eecc6c316d3234e5b51f2e6fd254a7202059ed98384d18f021378024b88654871f5cfa1857121f797813e21b7f9915fbb20c2a78993741b733f542c59c9289bcd3353e9168c2da6692c726d8957e581c64e0d23950d40093be83c7a6a1b9667bd280dcbf9a0a54a1817177fa157f7f45e8930494747535a528f0c5eaacccb25f8ae986d9734be5959acfdd14130b175aaa1fc4f2f600c2b1789ac343b328e20f17db5de5d33b8d79c540989220698561372430957dabd4293ef32188ba29479dc18d3edaab111dc3282e7c0297015c5e85645eb37b30cdcd9e19dddb830e4b1833012db0d37292608ce03114bd60a894346b8c23e04b35713a208653728c8f3c4c5201ab9aa92479a918198944996d3a7003a373f610dfa6a439ed9456aee0700e24b04d5a6857728a915371846b8bc0a9b6f80bad6631be05db86fe11f9f82780d9e1422f2e70128759abb0e760fe10b3c0660c900ee6ffb7bb243810cc2bc5582caf494f1f093a77ec7d4d90669d2b0b59b486f9ed34d9a1e9d7f88e7f764ddef255f5f30ea023f4ec1d13357b48f93f2efd5e1e90d2efe3f5501d1cbc7309448b28ab750b75865138665e2dfe49f365bb9aa02d06b2c4c5f293258fec610cb94cfbc81528c3a88363eaff6fd2f6e88ede4f6a264303cc0ac7ffc86dedc10ac605c9a70cf5d9a385d6e4f45b34f4db3909069b06ef94d5d0ace1e41350f6d722809d27547409c076716ca50cce29f306d33f860d9188950a5fc7f7298c1725d35f9723d9ee58d59123f9325b0b784ea967a10645f4fb1f1ab80638d6b3bb87e398159a001d720e0b27b4d2af746f9b3152a5f0b0c7bccbb69123ca148770ecdd20f2d33ec4f39c1fe52af68db8ec4c1e45c4e796670f2a71f71135d4e4edbd8806710c981867aced84055692a37a2959096aef2d35c5d31837b1b9a6be371b2f7ebf6620f8f764b70acee59c75d9d7ea16c4797f769e330918de0717937a1b74417b34ab81a733363deda8a50f31499fbde06f3e4bcdeb99484e97cc213281d114b7c2b60bd89e9be7dc13", 0x472}], 0x1, &(0x7f0000634000)=[]}, 0x0) readv(r1, &(0x7f0000aae000)=[{&(0x7f0000e89000)=""/109, 0x6d}, {&(0x7f0000b8c000-0xb1)=""/177, 0xb1}], 0x2) recvmsg(r1, &(0x7f0000a33000-0x38)={&(0x7f0000856000-0x1c)=@in6={0x0, 0xffffffffffffffff, 0x0, @mcast1}, 0x1c, &(0x7f00005e2000)=[{&(0x7f00004ad000-0xbf)=""/191, 0xbf}], 0x1, &(0x7f0000156000-0xc2)=""/194, 0xc2}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) syz_open_dev$evdev(&(0x7f0000b03000)='/dev/input/event#\x00', 0x98, 0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}}) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqsrc(r3, 0x0, 0x28, &(0x7f0000014000-0xc)={@dev={0xac, 0x14}, @loopback=0x7f000001, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0xc) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f0000266000-0x28)={@syzn={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000958000)=@ethtool_perm_addr={0x20, 0x6, "63533b79ff7f"}}) clone(0x0, &(0x7f0000b26000), &(0x7f0000eaa000-0x4), &(0x7f0000bf3000-0x4), &(0x7f00003b9000-0xcd)) ioctl$sock_inet_SIOCSIFDSTADDR(r3, 0x8918, &(0x7f00002ad000-0x20)={@syzn={0x73, 0x79, 0x7a, 0x0}, @ifru_flags}) 2018/02/05 08:34:34 executing program 1: clone(0x0, &(0x7f0000d4a000), &(0x7f0000ee8000-0x4), &(0x7f00006e8000), &(0x7f000007e000)) r0 = dup(0xffffffffffffffff) setsockopt$l2tp_PPPOL2TP_SO_REORDERTO(r0, 0x111, 0x5, 0x5, 0x4) r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) mkdirat(0xffffffffffffffff, &(0x7f0000034000-0x8)='./file0\x00', 0x0) 2018/02/05 08:34:34 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) mkdirat(0xffffffffffffffff, &(0x7f0000011000)='./file0/file0\x00', 0x0) r1 = dup3(r0, r0, 0x80000) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000001000)) ioctl$KDGKBMETA(r1, 0x4b62, &(0x7f0000001000-0x8)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000c92000), &(0x7f0000eaa000-0x4), &(0x7f0000bf3000-0x4), &(0x7f00003b9000-0xcd)) ioctl$PPPIOCSMRU(r1, 0x40047452, &(0x7f0000858000)=0x2) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c1000-0x10)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/02/05 08:34:34 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={@syzn={0x73, 0x79, 0x7a, 0x0}, 0x0}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f00003ab000)={r1, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x10) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a4b000/0x4000)=nil, 0x4000, 0x2000, 0x3, &(0x7f0000fdd000/0x2000)=nil) [ 62.681305] FAULT_FLAG_ALLOW_RETRY missing 30 [ 62.681322] FAULT_FLAG_ALLOW_RETRY missing 70 [ 62.681335] CPU: 1 PID: 5059 Comm: syz-executor0 Not tainted 4.4.115-gaa856bd #6 [ 62.681340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.681352] 0000000000000000 b4690d04ece8f632 ffff8801c7fbfba0 ffffffff81d03dad [ 62.681361] ffff8800aff4a000 1ffff10038ff7f81 ffff8801c7fbfd28 0000000000000000 [ 62.681372] 0000000000000000 ffff8801c7fbfd50 ffffffff816072e5 ffffffff81237410 [ 62.681373] Call Trace: [ 62.681391] [] dump_stack+0xc1/0x124 [ 62.681403] [] handle_userfault+0x715/0xf50 [ 62.681415] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.681426] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 62.681441] [] ? filemap_map_pages+0x508/0x9d0 [ 62.681449] [] ? handle_mm_fault+0xb5d/0x3190 [ 62.681457] [] ? userfaultfd_poll+0x180/0x180 [ 62.681464] [] ? handle_mm_fault+0x291e/0x3190 [ 62.681471] [] handle_mm_fault+0x2938/0x3190 [ 62.681478] [] ? copy_page_range+0x1480/0x1480 [ 62.681487] [] ? __do_page_fault+0x780/0xa00 [ 62.681494] [] ? vmacache_find+0x57/0x290 [ 62.681501] [] __do_page_fault+0x35b/0xa00 [ 62.681509] [] ? security_file_ioctl+0x89/0xb0 [ 62.681516] [] do_page_fault+0x27/0x30 [ 62.681525] [] page_fault+0x28/0x30 [ 62.682572] FAULT_FLAG_ALLOW_RETRY missing 30 [ 62.682581] CPU: 1 PID: 5027 Comm: syz-executor0 Not tainted 4.4.115-gaa856bd #6 [ 62.682585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.682595] 0000000000000000 0e3cf5c96d7814d8 ffff8800ac1a76d0 ffffffff81d03dad [ 62.682610] ffff8800aff4a000 1ffff10015834ee7 ffff8800ac1a7858 0000000000000000 [ 62.682620] 0000000000000000 ffff8800ac1a7880 ffffffff816072e5 ffffffff81237410 [ 62.682622] Call Trace: [ 62.682631] [] dump_stack+0xc1/0x124 [ 62.682639] [] handle_userfault+0x715/0xf50 [ 62.682647] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.682654] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 62.682662] [] ? update_stats_wait_end+0x4c5/0xa30 [ 62.682670] [] ? __enqueue_entity+0x134/0x230 [ 62.682677] [] ? handle_mm_fault+0xb5d/0x3190 [ 62.682685] [] ? userfaultfd_poll+0x180/0x180 [ 62.682692] [] ? handle_mm_fault+0x291e/0x3190 [ 62.682699] [] handle_mm_fault+0x2938/0x3190 [ 62.682706] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 62.682715] [] ? finish_task_switch+0x1e7/0x4e0 [ 62.682722] [] ? copy_page_range+0x1480/0x1480 [ 62.682729] [] ? memset+0x31/0x40 [ 62.682735] [] ? vmacache_find+0x57/0x290 [ 62.682741] [] ? vmacache_update+0xfe/0x130 [ 62.682749] [] __do_page_fault+0x35b/0xa00 [ 62.682763] [] do_page_fault+0x27/0x30 [ 62.682773] [] page_fault+0x28/0x30 [ 62.682787] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 62.682797] [] ? userfaultfd_ioctl+0x80a/0x2040 [ 62.682806] [] ? hash_futex+0x210/0x210 [ 62.682817] [] ? userfaultfd_release+0x5a0/0x5a0 [ 62.682826] [] ? do_futex+0x3f4/0x15d0 [ 62.682837] [] ? vma_wants_writenotify+0x49/0x370 [ 62.682844] [] ? vma_set_page_prot+0x10b/0x150 [ 62.682855] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 62.682866] [] ? vm_mmap_pgoff+0x180/0x1c0 [ 62.682876] [] ? userfaultfd_release+0x5a0/0x5a0 [ 62.682883] [] do_vfs_ioctl+0x7aa/0xee0 [ 62.682890] [] ? ioctl_preallocate+0x1f0/0x1f0 [ 62.682896] [] ? __fget+0x20b/0x3b0 [ 62.682903] [] ? __fget+0x232/0x3b0 [ 62.682909] [] ? __fget+0x47/0x3b0 [ 62.682916] [] ? security_file_ioctl+0x89/0xb0 [ 62.682923] [] SyS_ioctl+0x8f/0xc0 [ 62.682930] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 63.099016] CPU: 1 PID: 5042 Comm: syz-executor0 Not tainted 4.4.115-gaa856bd #6 [ 63.106537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.115859] 0000000000000000 83c07b1c98d2e845 ffff8801c7e877d0 ffffffff81d03dad [ 63.123822] ffff8800aff4a000 1ffff10038fd0f07 ffff8801c7e87958 0000000000000000 [ 63.131796] 0000000000000000 ffff8801c7e87980 ffffffff816072e5 ffffffff81237410 [ 63.139766] Call Trace: [ 63.142329] [] dump_stack+0xc1/0x124 [ 63.147670] [] handle_userfault+0x715/0xf50 [ 63.153612] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 63.160595] [] ? userfaultfd_ioctl+0x2040/0x2040 [ 63.166969] [] ? finish_task_switch+0x1e7/0x4e0 [ 63.173256] [] ? finish_task_switch+0x1bb/0x4e0 [ 63.179542] [] ? __schedule+0xa26/0x1ca0 [ 63.185220] [] ? handle_mm_fault+0xb5d/0x3190 [ 63.191340] [] ? userfaultfd_poll+0x180/0x180 [ 63.197455] [] ? handle_mm_fault+0x291e/0x3190 [ 63.203658] [] handle_mm_fault+0x2938/0x3190 [ 63.209698] [] ? preempt_schedule_common+0x22/0x60 [ 63.216249] [] ? preempt_schedule+0x25/0x30 [ 63.222192] [] ? copy_page_range+0x1480/0x1480 [ 63.228393] [] ? __do_page_fault+0x780/0xa00 [ 63.234421] [] ? vmacache_find+0x57/0x290 [ 63.240191] [] __do_page_fault+0x35b/0xa00 [ 63.246048] [] do_page_fault+0x27/0x30 [ 63.251557] [] page_fault+0x28/0x30 [ 63.256809] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 63.263620] [] ? core_sys_select+0x2cc/0x750 [ 63.269647] [] ? core_sys_select+0xa8/0x750 [ 63.275588] [] ? do_select+0x13e0/0x13e0 [ 63.281270] [] ? kvm_clock_read+0x23/0x40 [ 63.287038] [] ? kvm_clock_get_cycles+0x9/0x10 [ 63.293239] [] ? ktime_get_ts64+0x1ea/0x2d0 [ 63.299181] [] ? poll_select_set_timeout+0xa6/0x110 [ 63.305816] [] ? timespec_add_safe+0x116/0x160 [ 63.312018] [] SyS_select+0x14a/0x1d0 [ 63.317437] [] ? core_sys_select+0x750/0x750 [ 63.323472] [] ? vm_stat_account+0x130/0x130 [ 63.329501] [] ? __do_page_fault+0x149/0xa00 [ 63.335543] [] ? security_file_ioctl+0x89/0xb0 [ 63.341746] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 63.348209] [] entry_SYSCALL_64_fastpath+0x1c/0x98 INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes [ 123.801183] IPVS: Creating netns size=2552 id=9 [ 242.122746] INFO: task syz-executor3:5057 blocked for more than 120 seconds. [ 242.129962] Not tainted 4.4.115-gaa856bd #6 [ 242.134889] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 242.142845] syz-executor3 D ffff8801c7f9f3a8 28320 5057 3881 0x00000002 [ 242.150240] ffff8801c7f9f3a8 0000000000000000 0000000000000000 0000000000000000 [ 242.158228] 0000000000000001 ffff8801c7f9f300 ffff8801db21fdb8 ffff8801db21fde0 [ 242.166236] ffff8801db21f4d8 ffff8801c4e49800 ffff8801c7fd3000 0000000000000000 [ 242.174293] Call Trace: [ 242.176851] [] schedule+0x7a/0x1b0 [ 242.182011] [] schedule_preempt_disabled+0x13/0x20 [ 242.188588] [] mutex_lock_nested+0x306/0x850 [ 242.194630] [] ? snd_seq_do_ioctl+0x15d/0x1b0 [ 242.200747] [] ? __ww_mutex_lock+0x14f0/0x14f0 [ 242.206977] [] ? do_exit+0x82a/0x2a10 [ 242.212397] [] ? syscall_return_slowpath+0x1b5/0x1f0 [ 242.219142] [] ? int_ret_from_sys_call+0x25/0xa3 [ 242.225544] [] snd_seq_do_ioctl+0x15d/0x1b0 [ 242.231486] [] snd_seq_kernel_client_ctl+0xd7/0x150 [ 242.238150] [] snd_seq_oss_writeq_clear+0xe0/0x140 [ 242.244711] [] ? snd_seq_oss_writeq_wakeup+0xc0/0xc0 [ 242.251433] [] ? kasan_slab_free+0x88/0xc0 [ 242.257312] [] ? kfree+0xfc/0x300 [ 242.262385] [] ? create_port+0x230/0x230 [ 242.268091] [] snd_seq_oss_writeq_delete+0x1f/0x30 [ 242.274677] [] free_devinfo+0x61/0xb0 [ 242.280098] [] port_delete+0xd5/0x110 [ 242.285543] [] snd_seq_delete_port+0x1c3/0x200 [ 242.291747] [] snd_seq_ioctl_delete_port+0xf2/0x1d0 [ 242.298407] [] ? snd_seq_ioctl_set_port_info+0x190/0x190 [ 242.305494] [] snd_seq_do_ioctl+0x182/0x1b0 [ 242.311437] [] snd_seq_kernel_client_ctl+0xd7/0x150 [ 242.318091] [] ? snd_midi_event_new+0x200/0x200 [ 242.324400] [] snd_seq_event_port_detach+0xaf/0x100 [ 242.331042] [] ? snd_seq_event_port_attach+0x190/0x190 [ 242.337961] [] ? __ww_mutex_lock+0x14f0/0x14f0 [ 242.344172] [] ? fsnotify+0x5ad/0xee0 [ 242.349590] [] delete_port+0x73/0xb0 [ 242.354940] [] snd_seq_oss_release+0xe4/0x130 [ 242.361054] [] odev_release+0x52/0x70 [ 242.366494] [] __fput+0x233/0x6d0 [ 242.371562] [] ____fput+0x15/0x20 [ 242.376652] [] task_work_run+0x104/0x180 [ 242.382331] [] do_exit+0x82a/0x2a10 [ 242.387603] [] ? release_task+0x1240/0x1240 [ 242.393562] [] ? hash_futex+0x210/0x210 [ 242.399162] [] ? __dequeue_signal+0xa3/0x550 [ 242.405213] [] ? recalc_sigpending_tsk+0x139/0x180 [ 242.411767] [] ? recalc_sigpending+0x76/0xa0 [ 242.417815] [] ? dequeue_signal+0xc4/0x4b0 [ 242.423682] [] ? __dequeue_signal+0x550/0x550 [ 242.429797] [] do_group_exit+0x108/0x320 [ 242.435494] [] get_signal+0x4f2/0x1550 [ 242.441001] [] do_signal+0x8b/0x1d40 [ 242.446355] [] ? trace_hardirqs_on+0xd/0x10 [ 242.452299] [] ? setup_sigcontext+0x780/0x780 [ 242.458432] [] ? kasan_slab_free+0x88/0xc0 [ 242.464303] [] ? kmem_cache_free+0x197/0x320 [ 242.470331] [] ? SyS_futex+0x210/0x2c0 [ 242.475854] [] ? do_futex+0x15d0/0x15d0 [ 242.481447] [] exit_to_usermode_loop+0x11a/0x160 [ 242.487839] [] syscall_return_slowpath+0x1b5/0x1f0 [ 242.494400] [] int_ret_from_sys_call+0x25/0xa3 [ 242.500636] INFO: lockdep is turned off. [ 242.504785] Sending NMI to all CPUs: [ 242.508617] NMI backtrace for cpu 0 [ 242.512213] CPU: 0 PID: 485 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #6 [ 242.519399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.528742] task: ffff8801d8ccb000 task.stack: ffff8800bb190000 [ 242.534790] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 [ 242.543536] RSP: 0018:ffff8800bb197cb8 EFLAGS: 00000046 [ 242.548959] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: ffffffff8126a292 [ 242.556245] RDX: 0000000000000c00 RSI: 0000000000000002 RDI: ffffffffff5fb300 [ 242.563515] RBP: ffff8800bb197ce0 R08: 0000000000000001 R09: 0000000000000000 [ 242.570759] R10: 0000000000000000 R11: fffffbfff0ad7e2c R12: 0000000000000246 [ 242.578048] R13: 0000000000000003 R14: ffffffff8426f3a0 R15: 0000000000000002 [ 242.585320] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 242.593550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.599412] CR2: 000000002035f000 CR3: 00000001c7c30000 CR4: 0000000000160670 [ 242.606722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.613996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.621242] Stack: [ 242.623383] ffffffff8426f3a0 ffffffff847ef7c0 fffffbfff08fd9ac dffffc0000000000 [ 242.630890] ffff8801db31bca0 ffff8800bb197d00 ffffffff810b99fb ffffffff839f61c0 [ 242.638430] 0000000000000003 ffff8800bb197d60 ffffffff81d0ed14 ffffffff839fe320 [ 242.645955] Call Trace: [ 242.648510] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 242.654918] [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 [ 242.661994] [] ? irq_force_complete_move+0x3b0/0x3b0 [ 242.668762] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 242.675777] [] watchdog+0x6fa/0xae0 [ 242.681022] [] ? watchdog+0xc3/0xae0 [ 242.686391] [] kthread+0x268/0x300 [ 242.691585] [] ? reset_hung_task_detector+0x20/0x20 [ 242.698259] [] ? kthread_create_on_node+0x400/0x400 [ 242.704916] [] ? kthread_create_on_node+0x400/0x400 [ 242.711561] [] ret_from_fork+0x55/0x80 [ 242.717101] [] ? kthread_create_on_node+0x400/0x400 [ 242.723762] Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 0b 2f 17 00 4c 89 e7 57 9d 0f 1f [ 242.742795] NMI backtrace for cpu 1 [ 242.746397] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.115-gaa856bd #6 [ 242.753326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.762680] task: ffff8801d9b49800 task.stack: ffff8801d9b58000 [ 242.768710] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 242.777117] RSP: 0018:ffff8801d9b5fd98 EFLAGS: 00000246 [ 242.782537] RAX: 0000000000000003 RBX: ffffffff847dd8c8 RCX: ffffffff81d63b5b [ 242.789817] RDX: 0000000000000004 RSI: ffffffff839fe320 RDI: ffffffff84418180 [ 242.797082] RBP: ffff8801d9b5fd98 R08: 0000000000000000 R09: 0000000000000000 [ 242.804343] R10: 0000000000000000 R11: 1ffff1003b36bf82 R12: 0000000000000001 [ 242.811583] R13: fffffbfff070887c R14: ffffffff847ebc38 R15: 0000000000000000 [ 242.818848] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 242.827066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.832936] CR2: 000000c422e73000 CR3: 00000001c7c30000 CR4: 0000000000160670 [ 242.840178] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.847444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.854695] Stack: [ 242.856817] ffff8801d9b5fdd0 ffffffff81027ed5 ffff8801d9b60000 ffffffff847dd8c8 [ 242.864341] fffffbfff070887c ffffffff847ebc38 0000000000000000 ffff8801d9b5fde0 [ 242.871845] ffffffff8102945a ffff8801d9b5fdf8 ffffffff81221468 dffffc0000000000 [ 242.879378] Call Trace: [ 242.881931] [] default_idle+0x55/0x3c0 [ 242.887460] [] arch_cpu_idle+0xa/0x10 [ 242.892892] [] default_idle_call+0x48/0x70 [ 242.898751] [] cpu_startup_entry+0x5fd/0x8f0 [ 242.904800] [] ? call_cpuidle+0xe0/0xe0 [ 242.910394] [] ? clockevents_register_device+0x122/0x230 [ 242.917481] [] start_secondary+0x304/0x3e0 [ 242.923350] [] ? set_cpu_sibling_map+0x1080/0x1080 [ 242.929897] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 [ 242.949018] Kernel panic - not syncing: hung_task: blocked tasks [ 242.955137] CPU: 0 PID: 485 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #6 [ 242.962296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.971622] 0000000000000000 3baa41f5504d2120 ffff8800bb197ca8 ffffffff81d03dad [ 242.979609] ffffffff83882f20 ffff8800bb197d80 dffffc0000000000 7fffffffffffffff [ 242.987579] ffff8801ca4bb448 ffff8800bb197d70 ffffffff8141acca 0000000041b58ab3 [ 242.995572] Call Trace: [ 242.998135] [] dump_stack+0xc1/0x124 [ 243.003472] [] panic+0x1aa/0x388 [ 243.008549] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 243.015454] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.022704] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 243.029950] [] watchdog+0x70b/0xae0 [ 243.035196] [] ? watchdog+0xc3/0xae0 [ 243.040535] [] kthread+0x268/0x300 [ 243.045693] [] ? reset_hung_task_detector+0x20/0x20 [ 243.052333] [] ? kthread_create_on_node+0x400/0x400 [ 243.058978] [] ? kthread_create_on_node+0x400/0x400 [ 243.065615] [] ret_from_fork+0x55/0x80 [ 243.071121] [] ? kthread_create_on_node+0x400/0x400 [ 243.078134] Dumping ftrace buffer: [ 243.081642] (ftrace buffer empty) [ 243.085322] Kernel Offset: disabled [ 243.088917] Rebooting in 86400 seconds..