INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2018/04/07 02:26:24 fuzzer started 2018/04/07 02:26:25 dialing manager at 10.128.0.26:38639 2018/04/07 02:26:31 kcov=true, comps=false 2018/04/07 02:26:33 executing program 0: 2018/04/07 02:26:33 executing program 1: 2018/04/07 02:26:33 executing program 7: 2018/04/07 02:26:33 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:33 executing program 2: r0 = socket(0x40000000015, 0x5, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x5) setreuid(r1, 0x0) ioprio_get$uid(0x3, r1) 2018/04/07 02:26:33 executing program 3: mkdir(&(0x7f0000003d00)='./bus\x00', 0x0) syz_mount_image$hfs(&(0x7f0000000000)='hfs\x00', &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0, &(0x7f0000000500), 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB='gid=1']) mount(&(0x7f0000000340)='./bus/file0\x00', &(0x7f0000001900)='./bus\x00', &(0x7f0000001940)='hugetlbfs\x00', 0x0, &(0x7f0000000600)) 2018/04/07 02:26:33 executing program 5: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000001000)={0x0, @in6={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x98) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000000)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x88) setsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000001000)={{{@in=@rand_addr, @in6=@mcast1={0xff, 0x1, [], 0x1}}}, {{@in=@multicast2=0xe0000002}, 0x0, @in6=@mcast1={0xff, 0x1, [], 0x1}}}, 0xe8) getsockopt$inet6_buf(r0, 0x29, 0x30, &(0x7f0000001000)=""/144, &(0x7f0000001ffc)=0x90) 2018/04/07 02:26:33 executing program 6: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet6_sctp(0xa, 0x100000000005, 0x84) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000080)={'ip6gre0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) syzkaller login: [ 43.417887] ip (3780) used greatest stack depth: 54672 bytes left [ 44.065703] ip (3842) used greatest stack depth: 54560 bytes left [ 44.075865] ip (3844) used greatest stack depth: 54200 bytes left [ 44.116577] ip (3849) used greatest stack depth: 53960 bytes left [ 46.578116] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.732414] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.781588] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.862505] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.878679] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.939968] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.948237] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.050552] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.361364] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.450081] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.523003] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.727722] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.741786] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.812834] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.840250] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.983925] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.143711] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.149925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.162095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.200962] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.207212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.221895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.257904] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.264406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.295521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.512982] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.519274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.527152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.553942] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.565560] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.589077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.620654] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.627183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.662616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.729132] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.735408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.743280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.787172] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.793410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.811599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/07 02:26:50 executing program 7: r0 = getpgid(0x0) sched_setattr(r0, &(0x7f0000000080)={0x0, 0x1, 0x0, 0x0, 0x3}, 0x0) mkdir(&(0x7f000082f000)='./control\x00', 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = creat(&(0x7f0000000000)='./control/file0\x00', 0x0) write$sndseq(r2, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) unlink(&(0x7f0000f86000)='./control/file0\x00') mremap(&(0x7f0000012000/0x2000)=nil, 0x2000, 0x3000, 0x3, &(0x7f0000ffd000/0x3000)=nil) close(r1) 2018/04/07 02:26:51 executing program 0: open(&(0x7f0000000040)='./file0\x00', 0x92000, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4000000000004, &(0x7f0000ba5000)='D', 0x1) 2018/04/07 02:26:51 executing program 1: r0 = socket(0x2, 0x3, 0x40000000000000ff) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='vcan0\x00', 0x10) sendto$inet(r0, &(0x7f00000002c0), 0x2e2, 0x0, &(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/04/07 02:26:51 executing program 5: r0 = socket(0x10, 0x2000000000000003, 0x0) write(r0, &(0x7f00000000c0)="240000002e001d003200000800417700fbffffff0100000000270100000000080000ff10", 0x24) 2018/04/07 02:26:51 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) write(r0, &(0x7f00000001c0)='0x2', 0x3) 2018/04/07 02:26:51 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:51 executing program 6: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r0, 0x40045109, &(0x7f0000000040)) 2018/04/07 02:26:51 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000001080)='/dev/input/event#\x00', 0x0, 0x0) poll(&(0x7f00000003c0)=[{r0}], 0x1, 0xffffffffffff59bb) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/mcfilter\x00') r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$TIOCSBRK(r2, 0x40044591) 2018/04/07 02:26:51 executing program 2: sched_setattr(0x0, &(0x7f0000000080)={0x0, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000001000), 0x4) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f0000b31000)="f9", 0x1, 0x0, &(0x7f00009e1000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x87) accept(r0, &(0x7f00005a4000)=@rc, &(0x7f0000918000)=0x9) 2018/04/07 02:26:51 executing program 6: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:51 executing program 5: openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0x0, 0x0) quotactl(0x80000203, &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000040)) 2018/04/07 02:26:51 executing program 1: r0 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f000009ef58)={{0x80}, "706f7274310000004000000000000000000000d600fffffff0000000000000000000eda4000000000000000700", 0xbffffffdffffffff, 0x2}) readv(r0, &(0x7f0000459000)=[{&(0x7f0000fd5fc3)=""/61, 0x3d}], 0x1) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f00000000c0)={0x383, @time}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000540)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r0, 0xc0605345, &(0x7f0000000400)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:51 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000f3eff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f00000002c0)) 2018/04/07 02:26:51 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000362ff8)={0xffffffffffffffff}) close(r0) timerfd_create(0x8, 0x0) r1 = perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(r1, r0) 2018/04/07 02:26:51 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f00000000c0)={0x0, {{0x2, 0x4e20}}, 0x0, 0x5, [{{0x2, 0x0, @broadcast=0xffffffff}}, {{0x2, 0x4e20, @rand_addr}}, {{0x2, 0x4e20}}, {{0x2, 0x0, @multicast2=0xe0000002}}]}, 0x85f) 2018/04/07 02:26:51 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000b31ff2)='net/protocols\x00') perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r0, &(0x7f0000b8f000)=0x8000002, 0x2000401) 2018/04/07 02:26:51 executing program 3: syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14, 0x2b}}, @udp={0x0, 0x0, 0x8}}}}}, &(0x7f00000000c0)) 2018/04/07 02:26:51 executing program 5: r0 = socket$inet6(0x10, 0x4040000000002, 0x0) sendmsg(r0, &(0x7f0000002fc8)={&(0x7f0000016000)=@nl=@kern={0x10}, 0x80, &(0x7f0000014000)=[{&(0x7f0000000000)="5500000018007fb1b72d1cb2a4a280a80a06050000a84302a7052369250009001800001c010000000600050002000000000000dc1338d544000a9b84226eb75afb83de448daa7227c43ab8220000060cec4fab91d4", 0x55}], 0x1, &(0x7f0000000080)}, 0x0) 2018/04/07 02:26:51 executing program 5: perf_event_open(&(0x7f0000271000)={0x2, 0x70, 0x49, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='syz_tun\x00', 0x10) syz_emit_ethernet(0x3e, &(0x7f0000694ffe)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @random="93bb9d804123", [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x11, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f0000775000)) [ 58.806877] netlink: 17 bytes leftover after parsing attributes in process `syz-executor5'. 2018/04/07 02:26:51 executing program 3: r0 = socket$inet6(0xa, 0x3, 0xff) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) sendmsg$key(r0, &(0x7f0000000040)={0x20480, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x2, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, [@sadb_x_filter={0x5, 0x1a, @in=@broadcast=0xffffffff, @in=@local={0xac, 0x14, 0x14, 0xaa}}]}, 0x38}, 0x1}, 0x0) 2018/04/07 02:26:51 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r1, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:52 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:52 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000fa0fff), 0x0, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) getsockopt$inet_opts(r0, 0x0, 0x20000000050, &(0x7f0000000040)=""/16, &(0x7f0000000000)=0x10) 2018/04/07 02:26:53 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:53 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000001080)='/dev/input/event#\x00', 0x0, 0x0) poll(&(0x7f00000003c0)=[{r0}], 0x1, 0xffffffffffff59bb) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/mcfilter\x00') r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$TIOCSBRK(r2, 0x40044591) 2018/04/07 02:26:53 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r1, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:53 executing program 5: perf_event_open(&(0x7f0000fdef88)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) unshare(0x20000) r0 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r0, 0x0) 2018/04/07 02:26:53 executing program 3: r0 = socket$inet6(0xa, 0x3, 0xff) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) sendmsg$key(r0, &(0x7f0000000040)={0x20480, 0x0, &(0x7f0000000180)={&(0x7f0000000140)={0x2, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, [@sadb_x_filter={0x5, 0x1a, @in=@broadcast=0xffffffff, @in=@local={0xac, 0x14, 0x14, 0xaa}}]}, 0x38}, 0x1}, 0x0) 2018/04/07 02:26:53 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x1000000000003, 0x84) ioctl$sock_ifreq(r0, 0x89b0, &(0x7f0000000040)={'bridge0\x00', @ifru_data=&(0x7f0000000000)="1ea30a3e6776aa4e96831cc9f686c5026fe3e61532086b3cb31a711e3606630b"}) 2018/04/07 02:26:53 executing program 6: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:53 executing program 1: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000804000)) shmctl$SHM_UNLOCK(0x0, 0xc) 2018/04/07 02:26:53 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r1, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) [ 60.330787] capability: warning: `syz-executor1' uses 32-bit capabilities (legacy support in use) 2018/04/07 02:26:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x6) writev(r0, &(0x7f00000cdff0)=[{&(0x7f00003e9000)="290000001c0055fcffffffffffffff0002000400000000000000010009000100000e010091645aff27", 0x29}], 0x1) 2018/04/07 02:26:53 executing program 3: r0 = semget$private(0x0, 0x20000000102, 0x0) semtimedop(r0, &(0x7f0000000000)=[{0x4}, {0x0, 0x2}, {}], 0x3, &(0x7f0000000040)={0x77359400}) semtimedop(r0, &(0x7f00000000c0)=[{0x0, 0x40}], 0x1, &(0x7f0000000100)={0x77359400}) 2018/04/07 02:26:53 executing program 5: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndtimer(&(0x7f0000000580)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000029fcc)={{0x2}}) 2018/04/07 02:26:53 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00004f7000)="649c47ad46390d006dc80000009d4d54", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000006880)=[{{&(0x7f00000034c0)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2}}}, 0x80, &(0x7f0000004680)=[{&(0x7f0000003540)="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", 0x2a8}, {&(0x7f0000004580)="b103810ee6ac5cae8b82ac8bcafdc71988138966e716d1bef5c888be75ac6e10d91208c17d790c33142ee14842174ea029d3f209f9df29917e26998b1ad7e1923ec223c3a52440e174501202ff5ef40a3f812194d84794546ffc72a4d8775a3a58938a668162172e7b9350af04584631d8a11c4fc140375029f57c3d1ee4e523424f1b762fddbbc56210e2ad059775e44058c821a558d5740e31c0e60a72f169d027af4662b9b279496b02d2701c66f29acc94b5eaaefd589c63f494c142a53d485373417e", 0xc5}], 0x2, &(0x7f00000046c0)=[{0x100c, 0x0, 0x81a, "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"}, {0x80, 0x11f, 0x80, "a14a53b7c095ed06cea7481748fdc44c7891de7593f3b4af50d8a2089002a830d3d984807247f3e69d8322a80c65ce2613f8f2a1a9d148c6859891c71f00590bc99278993cac3c330ba7cbe9d51e9b58c04cdf99d42096fd4306c4ce7e8f5b177e6b6a03f178bbb248d4eb0f10b5ddb7f3"}, {0x64, 0x0, 0x7097, "710dd87c66eb2840982bbd0b8ae3514f6e5ece48c51a38269d72583fc1d85cc2257b4f65f5fc3231eda68b62f36f5c675cb80dec4a53fa500e8d5ec78b527053e56e72a086524fff2e84cdf099a54bba65245bad5d"}, {0xe0, 0x10d, 0x2, "7bd80e5eba512ed9d02c272ca4085b36cecd8670e179cd2ff47258c05a2ee59bb9ac4b13410ae2287918c2878ce0ae4d1da820fb31a8d5d53e48115717244325eea4e199a43c551abbe14044a485d6af85290c967d2c3ded956b39edbbb956065696705330f32cbb0a3eb78eb2785d0c33210bc7f6cb4855c02f9673b4f8799dda2596be02c5189e05ff7180d571176a3316eb2d30193e1b2987885df553ec9b4fbe01c6c5aa87e2389f267a0433458d2b87a2144730a8627e5e89957718b3ec01fb9dd0bb6a317646ac4ced20a57534118b15d8"}], 0x11d0, 0x10}, 0x6}, {{&(0x7f0000005c00)=@un=@abs={0x0, 0x0, 0x4e22}, 0x80, &(0x7f0000005d00)=[{&(0x7f0000005c80)="a4", 0x1}], 0x1, &(0x7f0000005d40)=[{0x38, 0x189, 0x8, "b228f5e58b47ac93082759906806dac259f69e6464426e7345a08258ced2c39349ad4e9bd8ef5624dd5c89"}, {0x64, 0x88, 0x9, "e9ab26a481842d3d71aad30d72e8a8d4e559f355b33dd800f9374b4e72d5fddb6d0d8af248540756ca02fb617140547d88a08edd3b6aa6b81afe7df37646f7990235fdd8a4bbe72ea5bbf368097dbed9b0b19fad5f"}], 0x9c, 0x4011}, 0x69}, {{&(0x7f0000005f80)=@generic={0x5, "8797da5fb349f2fa0502e3a799e4bde09ee4ffe2bb102c411771ddc778ea9dec26c15dd8fe37d9e120d2898390d293459ee362a92e363dd32a84ec8712f0634a976bba331a99e94fb88c0b07cc066385337b495405cd78f73a83204757a02f3941b937bedf3f181965a7f5b62a98f759741e61629a098c1eab36d5ee90e3"}, 0x80, &(0x7f0000006200)=[{&(0x7f0000006080)="bdb2f512a0edf938526563f5d34c4c94a9b97a5456a4b1c63c3733865feee09868d8e4114e72b7f599b2925fe0d18624aefd8390e4841f682c1f2dbbff4f8a5a859c5d449142d9ff35d9f76e253093a8865efde01d38e73769fff83938359bc440059a91f127d2d561ec359767422ed302a0ce3b605dd8363082aa896b604301df210851cfe7a0469541c6dab0f4cccc8084287568ec66a910a93f075de23e633a0a2ee78cf442573a27bd7c385792a48b2027a4621e870291cffb3f9fe0613709631de0a06f296dbeaeb8d0ab6cec28213f4ece5b37c9856812708f005295c6b43151cac6e99058148b3d35ecd70921f5", 0xf1}], 0x1, 0x0, 0x0, 0x80}, 0x9f}, {{&(0x7f0000006240)=@pppol2tpv3in6={0x18, 0x1, {0x0, r1, 0x4, 0x4, 0x4, 0x3, {0xa, 0x4e22, 0x1, @remote={0xfe, 0x80, [], 0xbb}, 0x319e}}}, 0x80, &(0x7f0000006840)=[{&(0x7f00000062c0)="7790447844cc1ba7fb827e4f5d53176e134b4e0fd847e61231e2cec6752b6d797ef7ae7671d3100d34c56299709184add8de67db085f47f3792201a98fa99257225aa7e84dfdc7d2365261a353ba37a8437a992c20719f8f3b37278357975cb23393f3d3a19b917f5e27c10a31dafbd62c7c26d9371bc0871261ce5757991bda043546cca4e7f901577e64fdad547500dc1a714bafbd9fbe94ba1f99a5408788628aa867a9d5e7b5bb88bb6cb8f659e531076b8fe281aa7b9c2547ebd4a32914ec5286431fa74dc851657b2fba382ab89e48e89e95961c380ad1a52a1792db35b1d92e873f54ef6007dc9469883621bf25d07e9ce4", 0xf5}, {&(0x7f0000006400)="ae8ad920fcae3b2b37c3a7d70e4f3751907a523c3b41d88e2a05ae5a3335a6fb83b80fd0801f48cda60fcb0fbc5fa150cd0f62a66b78506398653a3fcde40ab015975eb3e8b254bd23e0cb98fb613ec2a03d2913d777c7031fe2287b2f9f94aa24aad55f79fd71799b628d867fe8a775eb2dfa5f17cad7f1cb4c2b597e5df4b47fb7a8335a5f677499d8bb747abc4a2da3057b5cb8a46e44a6863dfc23d137a6a0da5d204ca0102981d3cbf60b4d72f2e3bcf3e60ad38cc5aab13b186e8079e178edeafd2b9008d0441c4219b321a14adc548a688ce79d61ccd98d4d017b9b8dfd38e2a9b55e09b5be3c34a45a68364bf88c3279d8be8e5bd7", 0xf9}, {&(0x7f0000006540)="abe3675d434546b0d4b7f268127b10b646f8ed6564a8e238ad337adbbf885d008382c3a1b7fac05258ec428b8d675c9ef203a4220fe97c1b497df81f3bc2d4e8a48256b941d608e17638054d99efa72a686a08d80c9f898f92c89cab898d72f2833be40945bbd3fa45527c353fe943ebe3b9fcf1bc72aadf403f108dfbfffde055ec5c000b6d4c903a8a3cdeaf06563c5c8f8717ef27d481681e29824dcc9c16f115f002422eeef7d0e7f94074a4674cd0d3c04cfdb088d838add86b27a83ee065c685588466", 0xc6}, {&(0x7f0000006740)="fa2201739a3a5eea104fb4cb92c0e4704f3e59c69afb350993e34f7c5763e36309ecb28cafe310311b3de5f9ed92ddf327d8280c889d7752d4848436e636ce422278739afc195a89089fafd69ba5896cedba59f1fb02a8eddcf4d8d41f25c31598c7b2b11502a549b3c8b240901480219aca5c158d693bb48212b5a42104c10e1bf9ba5035b7a82fcff9642e59acbbd0d0fe4c3139b59cf495c19388cf9daab80ab1ace262b51d70d5926a99c657a9d1b8f387e941312efc17d94846459f451b05d9ec4d67", 0xc5}], 0x4, 0x0, 0x0, 0x4004}, 0x8}], 0x4, 0x0) recvmsg$kcm(r1, &(0x7f0000e63000)={0x0, 0xfffffffffffffea8, &(0x7f0000000100)=[{&(0x7f0000588fa9)=""/87, 0x389}], 0x1, &(0x7f0000142000)=""/60, 0x3c}, 0x0) [ 60.486402] netlink: 21 bytes leftover after parsing attributes in process `syz-executor2'. 2018/04/07 02:26:53 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r1, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000fd0ffc)=0x2) ioctl$TIOCGLCKTRMIOS(r1, 0x5412, &(0x7f0000000000)) 2018/04/07 02:26:53 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000040)=0x46, 0x4) sendmmsg(r0, &(0x7f0000001d80)=[{{&(0x7f00000002c0)=@in6={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x80, &(0x7f0000000080), 0x0, &(0x7f0000000080)}}, {{&(0x7f0000000000)=@in={0x2, 0x0, @rand_addr}, 0x80, &(0x7f0000001bc0), 0x0, &(0x7f0000000040)}}], 0x2, 0x0) 2018/04/07 02:26:54 executing program 7: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="200000001d00010800004c949eb7fc1c0fc183ff51e4f690627eb92b9000000c0000005bcc4b6584c33e8f3e7eab4c89ab0f16aef22fa6068552d6b5a75c0d2e447e9fd1614218a2bd32885e5277918d959828eb748e1f96e4295e6e1ed211d433403f7f55a61477d5"], 0x1}, 0x1}, 0x0) 2018/04/07 02:26:54 executing program 6: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000e99000)={0x0, 0xb47}, 0xb) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/07 02:26:54 executing program 3: syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="00e600000008000078000000c9030000ec000000010000000000000000000000002000000020000000010000000000006e5fbe5a0000ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000140)={[{@inode_readahead_blks={'inode_readahead_blks', 0x3d, [0x39, 0x0]}, 0x2c}]}) 2018/04/07 02:26:54 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) 2018/04/07 02:26:54 executing program 0: openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) readv(0xffffffffffffffff, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:54 executing program 5: r0 = socket$inet(0x2, 0x2, 0x2000000088) recvmsg(r0, &(0x7f0000001200)={&(0x7f0000000080)=@nfc_llcp, 0x80, &(0x7f00000003c0), 0x0, &(0x7f00000011c0)}, 0x0) bind(r0, &(0x7f0000e79ff0)=@in={0x2, 0x4e20}, 0x10) sendto$inet(r0, &(0x7f0000000480)="a77d90cecea9a1580dd9330747fcc704d7ac140afceaa150f5a3636a36439517bf6f952f9521d5b2238ecbce3fbd863827c897e456003cb6bc53889946ba68629bec186af3", 0x45, 0x0, &(0x7f00000002c0)={0x2, 0x4e20}, 0x10) 2018/04/07 02:26:54 executing program 1: r0 = getpid() sched_setaffinity(r0, 0x3c0, &(0x7f0000000240)=0x8000000000000006) r1 = syz_open_dev$sndseq(&(0x7f0000000400)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a45320, &(0x7f0000000280)={{0x80}, "706f7274310000004000000000000000000000d600fffffff0000000000000000000eda40000af000000000700", 0xbfffffffffffffff, 0x2}) readv(r1, &(0x7f0000459000)=[{&(0x7f0000fd5fc3)=""/61, 0x3d}], 0x1) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000000)={0x1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r1, 0x40605346, &(0x7f0000000340)) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f00000001c0)={{}, {0x1}}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) 2018/04/07 02:26:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x0, 0x0) readv(r0, &(0x7f0000001480)=[{&(0x7f0000000480)=""/4096, 0x1000}], 0x1) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) readv(r0, &(0x7f00000003c0)=[{&(0x7f00000034c0)=""/212, 0xd4}], 0x1) dup3(r0, r1, 0x0) 2018/04/07 02:26:55 executing program 6: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x40001) sendfile(r1, r2, &(0x7f0000001000), 0x400000000fee) recvmmsg(r0, &(0x7f0000000800)=[{{&(0x7f0000000140)=@nfc, 0x2cc, &(0x7f0000000940)=[{&(0x7f0000000880)=""/123}], 0x0, &(0x7f0000000680)=""/108, 0xfce4}}, {{0x0, 0x0, &(0x7f00000007c0)=[{&(0x7f0000000700)=""/164, 0x109}], 0x3c3}, 0x3}], 0x1b1, 0x0, 0x0) 2018/04/07 02:26:55 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r0, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:55 executing program 3: sched_setaffinity(0x0, 0x8, &(0x7f0000d81ff8)=0x101) r0 = eventfd(0x264) write$eventfd(r0, &(0x7f0000000080)=0xffffffffffffff90, 0x8) readv(r0, &(0x7f0000000240)=[{&(0x7f00000003c0)=""/176, 0xb0}], 0x1) 2018/04/07 02:26:55 executing program 7: r0 = socket$inet(0x2, 0x1, 0x0) r1 = dup(r0) setsockopt$inet_tcp_int(r0, 0x6, 0x3, &(0x7f0000b10000)=0x5, 0xffffffffffffff03) bind$inet(r0, &(0x7f00000f0ff0)={0x2, 0x4e23, @multicast2=0xe0000002}, 0x10) connect$inet(r1, &(0x7f00000000c0)={0x2, 0x4e23}, 0x10) sendmsg$nl_netfilter(r1, &(0x7f0000001680)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000001640)={&(0x7f0000000600)=ANY=[@ANYBLOB='z'], 0x1}, 0x1}, 0x0) setsockopt$bt_l2cap_L2CAP_LM(r1, 0x6, 0x3, &(0x7f0000000300), 0x4) 2018/04/07 02:26:55 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffd42, 0x20000004, &(0x7f00004b2fe4)={0xa, 0x4e22}, 0x1c) recvmsg(r0, &(0x7f00003adfc8)={&(0x7f00006e8fe0)=@pptp={0x0, 0x0, {0x0, @remote}}, 0x80, &(0x7f0000ba0f90), 0x0, &(0x7f0000635fd0)=""/101, 0x65}, 0x0) r2 = accept4(r1, &(0x7f0000218fa8)=@alg, &(0x7f0000b0fffc)=0x58, 0x0) sendmsg$nl_crypto(r2, &(0x7f0000484fc8)={&(0x7f0000816000)={0x10}, 0xc, &(0x7f0000c37000)={&(0x7f0000fa3000)=@get={0xe0, 0x13, 0x0, 0x0, 0x0, {{'cbc-aes-aesni\x00'}}}, 0x10176}, 0x1}, 0x0) 2018/04/07 02:26:55 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="53f39064b3b4951527"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x5, &(0x7f0000001fd8)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x437, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x10, 0x3, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/04/07 02:26:55 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/04/07 02:26:55 executing program 4: r0 = getpid() sched_setaffinity(r0, 0xfd8a, &(0x7f0000000340)=0x2) r1 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, 'port1\x00', 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time={0x77359400}}) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f00000009c0)) [ 62.819949] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2018/04/07 02:26:55 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(r1, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) 2018/04/07 02:26:55 executing program 7: r0 = socket(0x40000000015, 0x5, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x5) setreuid(r1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) request_key(&(0x7f00000002c0)='user\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000280)='nogon\x00', 0x0) 2018/04/07 02:26:55 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/04/07 02:26:56 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="53f39064b3b4951527"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x5, &(0x7f0000001fd8)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x437, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x10, 0x3, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/04/07 02:26:56 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000080)=[{&(0x7f0000000700)=""/87, 0x57}], 0x1) [ 63.581734] ================================================================== [ 63.589136] BUG: KMSAN: uninit-value in _copy_to_iter+0x46d/0x28f0 [ 63.595463] CPU: 1 PID: 5340 Comm: syz-executor6 Not tainted 4.16.0+ #81 [ 63.602291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.611651] Call Trace: [ 63.614242] dump_stack+0x185/0x1d0 [ 63.617864] ? kmsan_internal_check_memory+0x145/0x1d0 [ 63.623141] kmsan_report+0x142/0x240 [ 63.626947] kmsan_internal_check_memory+0x164/0x1d0 [ 63.632077] kmsan_copy_to_user+0x69/0x160 [ 63.636340] ? skb_copy_datagram_iter+0x443/0xf70 [ 63.641190] _copy_to_iter+0x46d/0x28f0 [ 63.645162] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 63.650595] ? __skb_try_recv_from_queue+0xc74/0xe80 [ 63.655682] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.660343] skb_copy_datagram_iter+0x443/0xf70 [ 63.665022] unix_dgram_recvmsg+0xc3f/0x1940 [ 63.669426] unix_seqpacket_recvmsg+0x11a/0x180 [ 63.674091] sock_recvmsg_nosec+0x109/0x140 [ 63.678410] ? unix_seqpacket_sendmsg+0x2d0/0x2d0 [ 63.683247] ___sys_recvmsg+0x3fb/0x810 [ 63.687222] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.691880] ? _cond_resched+0x3c/0xd0 [ 63.695756] ? rcu_all_qs+0x32/0x1f0 [ 63.699455] ? _cond_resched+0x3c/0xd0 [ 63.703328] ? __sys_recvmmsg+0x908/0xdb0 [ 63.707455] ? rcu_all_qs+0x32/0x1f0 [ 63.711159] __sys_recvmmsg+0x54e/0xdb0 [ 63.715122] ? __msan_poison_alloca+0x15c/0x1d0 [ 63.719778] SYSC_recvmmsg+0x212/0x3e0 [ 63.723650] ? SYSC_ioctl+0x233/0x260 [ 63.727435] SyS_recvmmsg+0x76/0xa0 [ 63.731048] do_syscall_64+0x309/0x430 [ 63.734923] ? __sys_recvmmsg+0xdb0/0xdb0 [ 63.739057] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 63.744225] RIP: 0033:0x455259 [ 63.747394] RSP: 002b:00007fda3ffdbc68 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 63.755081] RAX: ffffffffffffffda RBX: 00007fda3ffdc6d4 RCX: 0000000000455259 [ 63.762330] RDX: 00000000000001b1 RSI: 0000000020000800 RDI: 0000000000000013 [ 63.769579] RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 [ 63.776830] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 63.784076] R13: 0000000000000495 R14: 00000000006f9e98 R15: 0000000000000001 [ 63.791326] [ 63.792930] Uninit was stored to memory at: [ 63.797232] kmsan_internal_chain_origin+0x12b/0x210 [ 63.802312] kmsan_memcpy_origins+0x11d/0x170 [ 63.806785] __msan_memcpy+0x19f/0x1f0 [ 63.810653] _copy_from_iter+0xefb/0x1d40 [ 63.814788] skb_copy_datagram_from_iter+0x1ff/0xcc0 [ 63.819878] unix_dgram_sendmsg+0xdce/0x3610 [ 63.824269] unix_seqpacket_sendmsg+0x262/0x2d0 [ 63.828916] kernel_sendmsg+0x228/0x2d0 [ 63.832870] sock_no_sendpage+0x1c8/0x250 [ 63.837000] sock_sendpage+0x1de/0x2c0 [ 63.840876] pipe_to_sendpage+0x31b/0x430 [ 63.845002] __splice_from_pipe+0x49a/0xf30 [ 63.849311] generic_splice_sendpage+0x1c6/0x2a0 [ 63.854055] direct_splice_actor+0x19b/0x200 [ 63.858446] splice_direct_to_actor+0x764/0x1040 [ 63.863185] do_splice_direct+0x335/0x540 [ 63.867329] do_sendfile+0x1067/0x1e40 [ 63.871198] SYSC_sendfile64+0x1b3/0x300 [ 63.875239] SyS_sendfile64+0x64/0x90 [ 63.879019] do_syscall_64+0x309/0x430 [ 63.882893] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 63.888056] Uninit was created at: [ 63.891575] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 63.896568] kmsan_alloc_page+0x82/0xe0 [ 63.900525] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 63.905259] alloc_pages_vma+0xcc8/0x1800 [ 63.909389] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 63.914383] shmem_getpage_gfp+0x35db/0x5770 [ 63.918769] shmem_file_read_iter+0x508/0x1180 [ 63.923336] generic_file_splice_read+0x4e8/0x830 [ 63.928162] splice_direct_to_actor+0x4c6/0x1040 [ 63.932896] do_splice_direct+0x335/0x540 [ 63.937025] do_sendfile+0x1067/0x1e40 [ 63.940898] SYSC_sendfile64+0x1b3/0x300 [ 63.944939] SyS_sendfile64+0x64/0x90 [ 63.948719] do_syscall_64+0x309/0x430 [ 63.952586] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 63.957749] [ 63.959354] Bytes 0-264 of 265 are uninitialized [ 63.964083] ================================================================== [ 63.971421] Disabling lock debugging due to kernel taint [ 63.976846] Kernel panic - not syncing: panic_on_warn set ... [ 63.976846] [ 63.984194] CPU: 1 PID: 5340 Comm: syz-executor6 Tainted: G B 4.16.0+ #81 [ 63.992311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.001640] Call Trace: [ 64.004212] dump_stack+0x185/0x1d0 [ 64.007820] panic+0x39d/0x940 [ 64.011010] ? kmsan_internal_check_memory+0x145/0x1d0 [ 64.016270] kmsan_report+0x238/0x240 [ 64.020058] kmsan_internal_check_memory+0x164/0x1d0 [ 64.025142] kmsan_copy_to_user+0x69/0x160 [ 64.029362] ? skb_copy_datagram_iter+0x443/0xf70 [ 64.034187] _copy_to_iter+0x46d/0x28f0 [ 64.038142] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 64.043576] ? __skb_try_recv_from_queue+0xc74/0xe80 [ 64.048664] ? __msan_poison_alloca+0x15c/0x1d0 [ 64.053323] skb_copy_datagram_iter+0x443/0xf70 [ 64.057979] unix_dgram_recvmsg+0xc3f/0x1940 [ 64.062376] unix_seqpacket_recvmsg+0x11a/0x180 [ 64.067037] sock_recvmsg_nosec+0x109/0x140 [ 64.071342] ? unix_seqpacket_sendmsg+0x2d0/0x2d0 [ 64.076171] ___sys_recvmsg+0x3fb/0x810 [ 64.080133] ? __msan_poison_alloca+0x15c/0x1d0 [ 64.084786] ? _cond_resched+0x3c/0xd0 [ 64.088655] ? rcu_all_qs+0x32/0x1f0 [ 64.092348] ? _cond_resched+0x3c/0xd0 [ 64.096216] ? __sys_recvmmsg+0x908/0xdb0 [ 64.100343] ? rcu_all_qs+0x32/0x1f0 [ 64.104050] __sys_recvmmsg+0x54e/0xdb0 [ 64.108014] ? __msan_poison_alloca+0x15c/0x1d0 [ 64.112673] SYSC_recvmmsg+0x212/0x3e0 [ 64.116542] ? SYSC_ioctl+0x233/0x260 [ 64.120326] SyS_recvmmsg+0x76/0xa0 [ 64.123933] do_syscall_64+0x309/0x430 [ 64.127801] ? __sys_recvmmsg+0xdb0/0xdb0 [ 64.131933] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 64.137101] RIP: 0033:0x455259 [ 64.140270] RSP: 002b:00007fda3ffdbc68 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 64.147956] RAX: ffffffffffffffda RBX: 00007fda3ffdc6d4 RCX: 0000000000455259 [ 64.155203] RDX: 00000000000001b1 RSI: 0000000020000800 RDI: 0000000000000013 [ 64.162450] RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 [ 64.169699] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 64.176945] R13: 0000000000000495 R14: 00000000006f9e98 R15: 0000000000000001 [ 64.184628] Dumping ftrace buffer: [ 64.188143] (ftrace buffer empty) [ 64.191826] Kernel Offset: disabled [ 64.195423] Rebooting in 86400 seconds..