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 '10.128.0.39' (ECDSA) to the list of known hosts. 2018/03/31 09:37:56 fuzzer started 2018/03/31 09:37:56 dialing manager at 10.128.0.26:39453 syzkaller login: [ 32.899879] random: crng init done [ 36.876463] can: request_module (can-proto-0) failed. [ 36.884910] can: request_module (can-proto-0) failed. 2018/03/31 09:38:06 kcov=true, comps=true 2018/03/31 09:38:14 executing program 0: 2018/03/31 09:38:14 executing program 1: 2018/03/31 09:38:14 executing program 7: 2018/03/31 09:38:14 executing program 2: 2018/03/31 09:38:14 executing program 3: 2018/03/31 09:38:14 executing program 4: 2018/03/31 09:38:14 executing program 5: 2018/03/31 09:38:14 executing program 6: [ 45.943479] IPVS: ftp: loaded support on port[0] = 21 [ 46.000217] IPVS: ftp: loaded support on port[0] = 21 [ 46.035604] IPVS: ftp: loaded support on port[0] = 21 [ 46.083481] IPVS: ftp: loaded support on port[0] = 21 [ 46.157800] IPVS: ftp: loaded support on port[0] = 21 [ 46.226258] IPVS: ftp: loaded support on port[0] = 21 [ 46.308734] IPVS: ftp: loaded support on port[0] = 21 [ 46.412359] IPVS: ftp: loaded support on port[0] = 21 [ 48.022928] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.043063] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.152200] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.257754] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.326502] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.485326] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.562522] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.668404] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.691437] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.697609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.730922] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.737091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.788447] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.794600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.810296] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.816562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.838490] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.844578] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.037378] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 52.043489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.110421] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.120096] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.147504] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.155722] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 52.161868] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.194619] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.252439] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.287185] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 52.293301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.399567] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.476120] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.482422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.493893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.514513] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.527850] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.534653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.543229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.557148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.564254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.573660] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.584482] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.593248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.607732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/03/31 09:38:21 executing program 1: setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f000015b000)=@sack_info={0x6, 0x0, 0x1}, 0xc) r0 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x0, 0x100) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) 2018/03/31 09:38:21 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x7f, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r0, 0xc1105511, &(0x7f0000000100)={{0x2, 0x0, 0x0, 0x0, "386aea20273dc03c3d18dd0dbd4a0ca15f9f580393cc4ec3b8ee256b9aa630224ba64c6ff43ee01d2996c914"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "eda422cd37591b3a5a7a683380f7e0b9e790c6b72cd0a4f3342f7431c1699a305ca3091bb2320e8df4e298a2cca26637866a68c1426ffbd8a6c7da1d8ea77d9d", &(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x13}) [ 52.648316] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.662575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.723767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.766275] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.862462] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.868699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.876721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.922955] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.929210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.936321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/03/31 09:38:21 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:21 executing program 7: r0 = syz_open_dev$sndpcmc(&(0x7f0000001fee)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x2}) read$eventfd(r0, &(0x7f0000000140), 0x8) r1 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x0, 0x4000) mincore(&(0x7f0000ffd000/0x3000)=nil, 0x3000, &(0x7f0000000040)=""/214) ioctl(r0, 0xc0884123, &(0x7f0000000000)) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0x482, &(0x7f00000001c0)=""/177, &(0x7f0000000280)=0xb1) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000340)={0x0, 0x0, 0x1}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000380)) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f00000003c0)={0x0, 0x0, 0x819e}) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f0000000400)) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f00000004c0)={0x0, 0x80000, r0}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f0000000500)={0x0, 0x80000, r0}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000540)) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000580)={0x0, 0x0, 0x3}) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f00000005c0)={0x0, 0x0}) ioctl$DRM_IOCTL_GEM_FLINK(r1, 0xc008640a, &(0x7f0000000600)={r2, r3}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r1, 0xc00c642d, &(0x7f0000000300)={r4, 0x80000, r1}) 2018/03/31 09:38:21 executing program 1: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$VHOST_GET_VRING_BASE(r0, 0xc008af12, &(0x7f0000000380)) pipe(&(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = open(&(0x7f0000000040)='./file0\x00', 0x100, 0x0) write(r3, &(0x7f00000001c0), 0xfffffef3) ioctl$KVM_SET_GUEST_DEBUG(r1, 0x4048ae9b, &(0x7f0000000100)={0x90000, 0x0, [0x0, 0x3, 0x2, 0x7, 0x22, 0x0, 0xc7, 0x7fff]}) write(r1, &(0x7f00000013c0)="8c", 0x1) read(r2, &(0x7f0000000200)=""/250, 0x50c7e3e3) syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f00000000c0)='./file0\x00', 0x200, 0x0, &(0x7f0000000380), 0x1, &(0x7f00000001c0)=ANY=[@ANYBLOB="656e6f5a70635f64656275672c73706163655f63616368653d7632206461746173756d2c636f8970726573732d66ee6963652c00"]) syz_mount_image$reiserfs(&(0x7f0000000180)='reiserfs\x00', &(0x7f0000000300)='./file0\x00', 0x1f, 0x0, &(0x7f0000000340), 0x82000, &(0x7f0000000440)={[{@expose_privroot='expose_privroot', 0x2c}, {@errors_continue='errors=continue', 0x2c}, {@conv='conv', 0x2c}, {@errors_ro_remount='errors=ro-remount', 0x2c}, {@replayonly='replayonly', 0x2c}]}) renameat(r2, &(0x7f0000000340)='./file0/file0\x00', r2, &(0x7f0000000400)='./file0\x00') tee(r0, r3, 0x8, 0x0) fcntl$addseals(r4, 0x409, 0x4) 2018/03/31 09:38:21 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x200, 0x0) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f0000000040)=""/68) r1 = syz_open_dev$sg(&(0x7f0000320ff8)='/dev/sg#\x00', 0x7ff, 0x0) ioctl$KDMKTONE(r1, 0x5382, 0xffffffffffffffff) 2018/03/31 09:38:21 executing program 2: pipe2(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0xfffffffffffffffd) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_mreq(r0, 0x0, 0xe126a81db0bbea17, &(0x7f0000000000)={@multicast1}, &(0x7f0000000040)=0x16) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = creat(&(0x7f0000000080)='./file2/file0\x00', 0x10) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000140)={r0, r3}) write$sndseq(r3, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @raw8={"410f44be5f55ea719cbb6635"}}], 0x30) link(&(0x7f0000f3bff8)='./file0\x00', &(0x7f00006b3ff0)='./file2\x00') syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0x2, 0x200000) readahead(r1, 0x5, 0x6) syz_fuseblk_mount(&(0x7f00000000c0)='./file1\x00', &(0x7f0000000100)='./file2\x00', 0x0, 0x0, 0x0, 0xffffffffffffff3d, 0x0, 0x0) rmdir(&(0x7f0000000200)='./file2\x00') dup2(r0, r2) 2018/03/31 09:38:21 executing program 6: socket(0x1d, 0x0, 0x0) setsockopt$inet_group_source_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000680)={0x0, {{0x2, 0x4e23, @multicast1=0xe0000001}}, {{0x2, 0x4e21, @broadcast=0xffffffff}}}, 0x108) 2018/03/31 09:38:21 executing program 3: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000fcf000)="240000001a0025f0006bb4040000001d020b00ff0010b500001000eb080002007fffe5b7", 0x24) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0xffffffffffffffff, 0x4) flistxattr(r0, &(0x7f0000000040)=""/22, 0x16) 2018/03/31 09:38:21 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000000)={"67e9d0305b7fe3ed04acca035ada5ece", {0x2, 0x4e21, @multicast2=0xe0000002}}) [ 52.977773] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.983988] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.991889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/03/31 09:38:21 executing program 4: setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) link(&(0x7f0000000000)='./file0\x00', &(0x7f0000882ff6)='./control\x00') r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x801, 0x0) setsockopt$inet_dccp_int(r0, 0x21, 0x0, &(0x7f0000000100)=0x3, 0x4) r1 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r1, 0x107, 0xd, &(0x7f0000001000), 0x47e) sendmmsg(r1, &(0x7f0000003e80)=[{{&(0x7f0000000040)=@in6={0xa, 0x0, 0x3, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000000300), 0x0, &(0x7f0000000340)}}, {{&(0x7f0000000dc0)=@sco={0x1f}, 0x8, &(0x7f0000000e40), 0x0, &(0x7f00000012c0)}}], 0x2, 0x0) mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0, 0x10, 0xffffffffffffffff, 0x0) 2018/03/31 09:38:21 executing program 7: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f00000006c0)=0x0) prlimit64(r0, 0xa, 0x0, &(0x7f0000000700)) perf_event_open(&(0x7f000001d000)={0x0, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 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) perf_event_open(&(0x7f000025c000)={0x0, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vhost-net\x00', 0x2, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/icmp\x00') sendmsg$rds(0xffffffffffffffff, &(0x7f0000000680)={&(0x7f0000000080)={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x1a}}, 0x10, &(0x7f00000001c0)=[{&(0x7f0000000100)=""/192, 0xc0}], 0x1, &(0x7f0000000580)=[@mask_cswp={0x58, 0x114, 0x9, {{0x7}, &(0x7f0000000200)=0x6, &(0x7f0000000240)=0x1, 0x9, 0x0, 0x4f}}, @rdma_dest={0x18, 0x114, 0x2, {0xc95}}, @rdma_args={0x48, 0x114, 0x1, {{0x40, 0xada9c3e}, {&(0x7f0000000280)=""/211, 0xd3}, &(0x7f0000000540)=[{&(0x7f0000000380)=""/220, 0xdc}, {&(0x7f0000000480)=""/184, 0xb8}], 0x2, 0x2}}, @rdma_dest={0x18, 0x114, 0x2, {0x2, 0x4}}], 0xd0, 0x20000000}, 0x11) r2 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000035abe1e80d903e0d717ac1889a45e581c9e14a5c8f95f5d2968ae8c767e9d18fd69a") openat$vnet(0xffffffffffffff9c, &(0x7f0000000740)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$fiemap(r2, 0x40286608, &(0x7f0000000080)) socket$inet_dccp(0x2, 0x6, 0x0) listxattr(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)=""/69, 0x45) ioctl$int_in(r1, 0xaf01, &(0x7f00001e3000)) ioctl$VHOST_SET_VRING_KICK(r1, 0x4008af20, &(0x7f0000000000)) [ 53.082079] can: request_module (can-proto-0) failed. [ 53.135134] can: request_module (can-proto-0) failed. [ 53.157478] EXT4-fs warning (device sda1): ext4_group_add:1634: No reserved GDT blocks, can't resize [ 53.234392] EXT4-fs warning (device sda1): ext4_group_add:1634: No reserved GDT blocks, can't resize 2018/03/31 09:38:22 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:22 executing program 6: syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x11e2000000000000, 0x20000) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) r1 = syz_open_dev$amidi(&(0x7f00000000c0)='/dev/amidi#\x00', 0x6, 0x10000) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffff9c, 0x84, 0xa, &(0x7f0000000100)={0x8, 0x0, 0x200, 0xffff, 0x8001, 0x7fffffff, 0x0, 0x1, 0x0}, &(0x7f0000000140)=0x20) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f0000000180)={r2, 0x77, "753c238fd89394d8332e6d2899922de88fa042e0e8cc33a250a39d2b1d242d531170d18cec347d0e477cb1d6d8ed64ebff295d36bb0f551176f9cc503893f3e220e8796108ed7a60042a6b2723ff0d2b73a1e7536708e04dd3c90be1a490bd381f571ad0359c57f1e6425ede379278e8560d0063e67b77"}, &(0x7f0000000200)=0x7f) mmap(&(0x7f0000000000/0x709000)=nil, 0x709000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x40284504, &(0x7f0000000040)={0x0, 0x2000000000000000, 0x0, 0x0, "020003fe040000000000031703ffffe78be5e600000000000000030809a7e633"}) 2018/03/31 09:38:22 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:22 executing program 2: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x60000, 0x0) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f0000000080)={0x3, {{0x2, 0x4e24, @loopback=0x7f000001}}}, 0x88) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r1, &(0x7f0000000040)={&(0x7f0000c78ff4)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000b04cf4)={0x14, 0x7, 0xa, 0x21}, 0x14}, 0x1}, 0x0) 2018/03/31 09:38:22 executing program 5: setsockopt$netlink_NETLINK_RX_RING(0xffffffffffffffff, 0x10e, 0x6, &(0x7f0000017000)={0x0, 0x0, 0x2000000000000400}, 0x10) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0xfffffffffffffffd, 0x0) ioctl(r0, 0x800000000000937e, &(0x7f0000017000)) getsockname$packet(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000040)=0x14) 2018/03/31 09:38:22 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/autofs\x00', 0x80000, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000800)={{{@in=@remote, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@multicast2}}, &(0x7f0000000900)=0xf79c3f67) pivot_root(&(0x7f0000000740)='./file0\x00', &(0x7f0000000780)='./file0\x00') sendmsg$nl_generic(r2, &(0x7f0000003000)={&(0x7f00000007c0)={0x10}, 0xc, &(0x7f0000002fc0)={&(0x7f00000031c0)=ANY=[@ANYRES64=r3], 0x1}, 0x1, 0x0, 0x0, 0x20000000}, 0x200000c1) getsockopt$IP_VS_SO_GET_DESTS(r1, 0x0, 0x484, &(0x7f0000002e00)=""/234, &(0x7f0000000040)=0xffe7) listen(r0, 0x138e) syz_genetlink_get_family_id$ipvs(&(0x7f0000003080)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r2, &(0x7f0000003180)={&(0x7f0000003040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000003140)={&(0x7f00000030c0)=ANY=[@ANYBLOB], 0x1}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000080)={0xb9, 0x5, 0xffffffffffffff00, 0x7, 0x5}, 0x14) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffff9c, 0x84, 0x7b, &(0x7f00000001c0)={0x0, 0x1ff}, &(0x7f00000003c0)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000440)={0x0, 0x8001}, &(0x7f0000000480)=0xc) dup3(r0, r1, 0x80000) ioctl$SNDRV_TIMER_IOCTL_GINFO(0xffffffffffffffff, 0xc0f85403, &(0x7f0000000200)={{0x3, 0x0, 0x5, 0x3}, 0x6, 0x1fc, 'id1\x00', 'timer1\x00', 0x0, 0x40, 0x4, 0x9, 0x4}) r5 = getpid() r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) openat$cgroup_type(r6, &(0x7f0000000280)='cgroup.type\x00', 0x2, 0x0) r7 = perf_event_open(&(0x7f0000014f88)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x2}, r5, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f00002c3000/0x3000)=nil, 0x3000, 0x0, 0x11, r7, 0x0) recvmsg(r6, &(0x7f0000000700)={&(0x7f0000000500)=@ipx, 0x80, &(0x7f0000000640)=[{&(0x7f0000000580)=""/22, 0x16}, {&(0x7f00000005c0)=""/91, 0x5b}], 0x2, &(0x7f0000000680)=""/74, 0x4a, 0x2a6}, 0x40000000) getsockopt$ARPT_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x0, 0x63, &(0x7f0000000080)={'icmp\x00'}, &(0x7f0000000100)=0x1e) r8 = epoll_create(0xab8) epoll_ctl$EPOLL_CTL_ADD(r8, 0x1, r7, &(0x7f0000afa000)) setsockopt$bt_BT_SNDMTU(0xffffffffffffffff, 0x112, 0xc, &(0x7f0000000140)=0x1, 0xffffffffffffff3a) getsockopt$inet6_tcp_buf(r1, 0x6, 0x1f, &(0x7f0000000300)=""/169, &(0x7f0000000400)=0xa9) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(0xffffffffffffffff, 0xc0405519, &(0x7f00000000c0)={0x5, 0x0, 0x100000000, 0x3, "1e44a719998e02af9313d2fb4ad9b070d51986318a377b653d8458c5b3e8602f187811c223b5adabb8ad1c3f", 0x2}) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000180)={0x0, 0x0, 0x10, 0x7, 0xba7}, &(0x7f00000001c0)=0x18) kcmp$KCMP_EPOLL_TFD(r5, r5, 0x7, r8, &(0x7f0000000240)={r8, r8, 0x2}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f00000009c0)={r4, 0x0, 0xfff, 0xdf3, 0x9, 0x7}, &(0x7f0000000980)=0xffffffffffffffdb) 2018/03/31 09:38:22 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:22 executing program 7: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000001fe8)) r0 = syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x1, 0x100) setsockopt$bt_hci_HCI_TIME_STAMP(r0, 0x0, 0x3, &(0x7f0000000140)=0x80000000, 0x4) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000040)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000ff9)='ns/ipc\x00') fcntl$addseals(r2, 0x409, 0x6) flistxattr(r2, &(0x7f00000000c0)=""/22, 0x16) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f0000000440)) ioctl$sock_inet_SIOCRTMSG(r0, 0x890d, &(0x7f0000000300)={0x4, {0x2, 0x8001, @rand_addr=0x1}, {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e21, @multicast1=0xe0000001}, 0x1, 0xfffffffffffffffb, 0xd74, 0x3, 0x3, &(0x7f00000002c0)='ip6_vti0\x00', 0x1, 0x10001, 0xfffffffffffffe56}) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setns(r2, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20040}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=@getae={0x50, 0x1f, 0x1, 0x70bd25, 0x25dfdbfe, {{@in6, 0x4d6, 0x2, 0x3f}, @in=@multicast1=0xe0000001, 0x6, 0x3503}, [@replay_val={0x10, 0xa, {0x70bd2b, 0x70bd2b, 0xa2}}]}, 0x50}, 0x1}, 0x40) rt_sigaction(0x3, &(0x7f0000000380)={0x7, {0x100}, 0x4, 0x1f}, &(0x7f00000003c0), 0x8, &(0x7f0000000400)) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f00000004c0)={{{@in6=@ipv4={[], [], @remote}, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@multicast1}}, &(0x7f00000005c0)=0xe8) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000600)={0x0, 0x0, 0x0}, &(0x7f0000000640)=0xc) syz_fuse_mount(&(0x7f0000000480)='./file0\x00', 0xe000, r4, r5, 0x3, 0x80000) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000680)={0x0, 0x4, 0x1f, 0xfffffffffffffc00, 0x4}, &(0x7f00000006c0)=0x14) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000700)={0x7, 0x0, 0x1, 0x8001, 0x8000, 0x3101, 0x9, 0x8, r6}, 0x20) ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f0000000080)={'ip6tnl0\x00', {0x2, 0x4e20, @broadcast=0xffffffff}}) [ 54.037118] capability: warning: `syz-executor7' uses 32-bit capabilities (legacy support in use) [ 54.039280] IPVS: length: 65511 != 24 2018/03/31 09:38:22 executing program 2: msgget$private(0x0, 0x200) r0 = socket$netlink(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000023000)={&(0x7f0000024000)={0x10}, 0xc, &(0x7f0000023ff0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0x18}, 0x1}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') msgget$private(0x0, 0x409) sendmsg$IPVS_CMD_NEW_DAEMON(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="9c000000", @ANYRES16=r1, @ANYBLOB="100226bd7000fedbdf2509000000080005000300000008000600040000000800060009000000080006000500000008000400070000003c0000f50700090043000000080006007772720008000b0073697000080006007365640008000800020000002400020008000b00020000000800030002000000080002004e2000000800080003010000"], 0x9c}, 0x1, 0x0, 0x0, 0x4000}, 0x40) 2018/03/31 09:38:22 executing program 5: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000002000)=@ethernet, 0x10) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000006000)={'vcan0\x00', 0x0}) r2 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x2, 0x40) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e21, 0x7, @mcast2={0xff, 0x2, [], 0x1}, 0x7}}, [0x10000, 0x100000000, 0xe3, 0xfffffffffffffffd, 0x9, 0x1, 0x8000, 0x6, 0x3, 0x0, 0x1, 0x3, 0x3, 0x0, 0x3]}, &(0x7f0000000140)=0x100) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000180)={r3, 0x859}, 0x8) sendmsg$can_bcm(r0, &(0x7f0000012fc8)={&(0x7f0000010ff0)={0x1d, r1}, 0x10, &(0x7f000000eff0)={&(0x7f0000007000)={0x4, 0x0, 0x0, {0x0, 0x2710}, {}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "e1a77d430f3e98a4"}}, 0x20007048}, 0x1}, 0x0) 2018/03/31 09:38:22 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:22 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) [ 54.088295] mmap: syz-executor1 (5854) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. [ 54.091127] IPVS: length: 65511 != 24 2018/03/31 09:38:22 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000180)={&(0x7f0000de2ff4)={0x10}, 0xc, &(0x7f00008b7ff0)={&(0x7f0000000440)=ANY=[@ANYBLOB="2400a25e03080100000000000000000000000000100002000c000000c885574790184d7de801170aed6055acdf9d10c3be6dc542ac606a654e22fdb852afcf7de86db1755678b0c6068aca376008b38d8695340c135ac2fa782992968a7a765cc61f8af88adb6cd45dd15c75638d4ba5d0e94ba16214bdfbe8a6ef0b62dac800bdbb5be76c1c1147f3f4cc74db83bed8ac25cf09a240953727744ee2458792e04d01b40d83f89dcdbc03febc03bd00f1c9b6d1c991558d01f1312649f99bc0a2cc615feb287b92c8a3f785a51ebc4c81c1431ad96712cb7797ac3635c0c1d8", @ANYRES32=0x0], 0x24}, 0x1}, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000000040)={{{@in=@multicast1, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@mcast1}}, &(0x7f0000000140)=0xe8) syz_open_dev$sndctrl(&(0x7f00000003c0)='/dev/snd/controlC#\x00', 0x2db, 0x1) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000300)='/dev/snd/pcmC#D#c\x00', 0x7, 0x20000) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r4, 0xc0505350, &(0x7f0000000340)={{0x1, 0x364}, {0x3, 0xbcf6}, 0x0, 0x5, 0x8}) setsockopt$inet_opts(r3, 0x0, 0x9, &(0x7f00000002c0)="cedd3028204e7b8f85405228e3155814f2a0589a0e81007b8af865d51165a7dd81e4e8fee23a0132c4798b5e811fae200e1f5cc6725e317ea3cea155902f04", 0x3f) sendmsg$nl_netfilter(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB="30000000130f02002cbd7000fddbdf25010000021c00740008000100", @ANYRES32=r0, @ANYBLOB="080049000110000008002600", @ANYRES32=r1], 0x30}, 0x1, 0x0, 0x0, 0x8040}, 0x11) setsockopt$IP_VS_SO_SET_TIMEOUT(r2, 0x0, 0x48a, &(0x7f0000000400)={0x5275d712, 0x28, 0x8}, 0xc) 2018/03/31 09:38:22 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000000100)='/dev/sg#\x00', 0x1, 0x8c00) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f0000000300)={{0x2, 0x40004}, 'port0\x00', 0x0, 0x0, 0x1, 0x8, 0xe2b, 0x0, 0x10000000000ffff}) pipe(&(0x7f0000000000)={0xffffffffffffffff}) write(r1, &(0x7f00000001c0), 0x0) read(r1, &(0x7f0000000200)=""/250, 0x50c7e3e3) setsockopt$inet_sctp_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000040), 0x4) mlock(&(0x7f00007ac000/0x800000)=nil, 0x800000) mprotect(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0) open(&(0x7f00000000c0)='./file0\x00', 0x0, 0x102) ioctl$KVM_NMI(r0, 0xae9a) munlockall() 2018/03/31 09:38:22 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x0, 0x0, 0x0, 0x0, 0x400, 0xfffffffffffffffc}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind(0xffffffffffffffff, &(0x7f0000d01ff0)=ANY=[], 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000380)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], {@arp={0x806, @ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, @empty, @random="b3394d0c6091", @loopback=0x7f000001}}}}, &(0x7f00000003c0)={0x0, 0x0, [0x705, 0x1]}) r0 = getpgid(0xffffffffffffffff) capget(&(0x7f0000000040)={0x19980330, r0}, &(0x7f0000000080)={0x503, 0x80, 0x3, 0xa49, 0x39, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000400), &(0x7f0000000440)) 2018/03/31 09:38:22 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:22 executing program 4: r0 = perf_event_open(&(0x7f0000d2af88)={0x2, 0x70, 0xe2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000040)={0x0, 0x5}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000f22fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r1, &(0x7f0000000180)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x51) execve(&(0x7f0000000080)='./file0\x00', &(0x7f0000000340)=[&(0x7f00000000c0)='\x00', &(0x7f0000000100)='\x00', &(0x7f0000000140)='\x00', &(0x7f00000001c0)='ppp1!cgroupprocposix_acl_access\x00', &(0x7f0000000200)='\x00', &(0x7f0000000240)=')}GPL\'\x00', &(0x7f0000000280)="2dc62c5e76626f786e65743026242e3a00", &(0x7f00000002c0)='vboxnet1vmnet0\x00', &(0x7f0000000300)='\x00'], &(0x7f0000000480)=[&(0x7f00000003c0)='\x00', &(0x7f0000000400)='selinux\x00', &(0x7f0000000440)='\x00']) fchmod(r0, 0x100) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000004c0)=ANY=[@ANYRES32=0x0, @ANYBLOB="0500d1114302aee78be408958082022a894379e666b6650ec6"], 0xa) 2018/03/31 09:38:22 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:22 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000051cff6)='/dev/ptmx\x00', 0x0, 0x0) r1 = syz_open_dev$evdev(&(0x7f0000fb7fee)='/dev/input/event#\x00', 0x2, 0x0) r2 = syz_open_dev$adsp(&(0x7f00000053c0)='/dev/adsp#\x00', 0xd95, 0xa4900) setsockopt$IP_VS_SO_SET_FLUSH(r2, 0x0, 0x485, 0x0, 0x0) sendmsg$key(r2, &(0x7f0000005480)={0x0, 0x0, &(0x7f0000005440)={&(0x7f0000005400)={0x2, 0x16, 0x10000, 0x6, 0x3, 0x0, 0x70bd28, 0x25dfdbfe, [@sadb_x_nat_t_type={0x1, 0x14, 0x5}]}, 0x18}, 0x1}, 0x24000000) mmap(&(0x7f0000000000/0xf82000)=nil, 0xf82000, 0x1, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$IPT_SO_GET_REVISION_TARGET(r3, 0x0, 0x43, &(0x7f0000000000)={'TPROXY\x00'}, &(0x7f0000000040)=0x1e) ioctl$EVIOCSREP(r1, 0x40084503, &(0x7f0000e38ff9)) read(0xffffffffffffffff, &(0x7f00003fefff)=""/1, 0x1) r4 = gettid() lstat(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = getgid() ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000054c0)={0x1, 0x0, [{0x40000497, 0x0, 0x7}]}) recvmmsg(r3, &(0x7f00000051c0)=[{{&(0x7f00000002c0)=@hci, 0x80, &(0x7f0000000a40)=[{&(0x7f0000000340)=""/206, 0xce}, {&(0x7f0000000440)=""/243, 0xf3}, {&(0x7f0000000540)=""/190, 0xbe}, {&(0x7f0000000600)=""/165, 0xa5}, {&(0x7f00000006c0)=""/164, 0xa4}, {&(0x7f0000000780)=""/230, 0xe6}, {&(0x7f0000000880)=""/91, 0x5b}, {&(0x7f0000000900)=""/227, 0xe3}, {&(0x7f0000000a00)=""/38, 0x26}], 0x9, 0x0, 0x0, 0x9}, 0x200}, {{&(0x7f0000000b00)=@ll, 0x80, &(0x7f0000001f40)=[{&(0x7f0000000b80)=""/115, 0x73}, {&(0x7f0000000c00)=""/124, 0x7c}, {&(0x7f0000000c80)=""/4096, 0x1000}, {&(0x7f0000001c80)=""/255, 0xff}, {&(0x7f0000001d80)=""/122, 0x7a}, {&(0x7f0000001e00)=""/64, 0x40}, {&(0x7f0000001e40)=""/243, 0xf3}], 0x7, &(0x7f0000001fc0)=""/73, 0x49}, 0x787}, {{&(0x7f0000002040)=@pppol2tp, 0x80, &(0x7f00000022c0)=[{&(0x7f00000020c0)=""/134, 0x86}, {&(0x7f0000002180)=""/80, 0x50}, {&(0x7f0000002200)=""/94, 0x5e}, {&(0x7f0000002280)=""/46, 0x2e}], 0x4, 0x0, 0x0, 0x7}, 0x9}, {{&(0x7f0000002300)=@l2, 0x80, &(0x7f0000003380)=[{&(0x7f0000002380)=""/4096, 0x1000}], 0x1, &(0x7f00000033c0)=""/40, 0x28, 0x7}, 0x3}, {{&(0x7f0000003400)=@in6={0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f0000004800)=[{&(0x7f0000003480)=""/125, 0x7d}, {&(0x7f0000003500)=""/4096, 0x1000}, {&(0x7f0000004500)=""/166, 0xa6}, {&(0x7f00000045c0)=""/241, 0xf1}, {&(0x7f00000046c0)=""/238, 0xee}, {&(0x7f00000047c0)=""/48, 0x30}], 0x6, 0x0, 0x0, 0x8}, 0x6}, {{&(0x7f0000004880)=@rc, 0x80, &(0x7f0000005080)=[{&(0x7f0000004900)=""/147, 0x93}, {&(0x7f00000049c0)=""/207, 0xcf}, {&(0x7f0000004ac0)=""/246, 0xf6}, {&(0x7f0000004bc0)=""/166, 0xa6}, {&(0x7f0000004c80)=""/189, 0xbd}, {&(0x7f0000004d40)=""/228, 0xe4}, {&(0x7f0000004e40)=""/206, 0xce}, {&(0x7f0000004f40)=""/136, 0x88}, {&(0x7f0000005000)=""/81, 0x51}], 0x9, &(0x7f0000005140)=""/95, 0x5f, 0x5}, 0x99}], 0x6, 0x2, &(0x7f0000005340)) getgroups(0x4, &(0x7f0000000200)=[r5, r6, r7, 0x0]) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) readv(r0, &(0x7f0000dcdff0)=[{&(0x7f0000cd8000)=""/1, 0x1}], 0x1) ioctl$int_in(r8, 0x5452, &(0x7f0000b28000)=0x3c) setsockopt$IPT_SO_SET_REPLACE(r3, 0x0, 0x40, &(0x7f0000005800)=ANY=[@ANYBLOB="726177000000000000000000000000000000000000000000000000000000000009000000030000000803000038010000ffffffffffffffff00000000ffffffff70020000ffffffffffffffff70020000ffffffff03000000", @ANYPTR=&(0x7f0000005380)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYBLOB="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"], 0x368) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe1e) fcntl$setsig(r8, 0xa, 0x12) poll(&(0x7f0000b2c000)=[{r9}], 0x1, 0xfffffffffffffff8) setsockopt$packet_rx_ring(r3, 0x107, 0x5, &(0x7f0000005740)=@req={0x0, 0x5, 0xffffffffffffffff, 0x60}, 0x10) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000005500)={0x5, {0x2, 0x4e23, @rand_addr=0x3}, {0x2, 0x4e24, @broadcast=0xffffffff}, {0x2, 0x4e20, @multicast1=0xe0000001}, 0x38, 0x8, 0x3, 0x1, 0x8, 0x0, 0x50e9, 0x5, 0x7}) r10 = dup2(r8, r9) fcntl$setown(r10, 0x8, r4) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r10, 0x40505330, &(0x7f0000000240)={{0x3, 0x100000000}, {0xac, 0x1000}, 0x7fff, 0x2, 0x7f}) [ 54.334772] syz-executor1 (5854) used greatest stack depth: 15336 bytes left 2018/03/31 09:38:23 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) 2018/03/31 09:38:23 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000080), &(0x7f00000000c0)=0x4) ioctl$sock_inet_SIOCGIFDSTADDR(r1, 0x8917, &(0x7f0000000040)={'bcsh0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x1a}}}) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f0000000880)={0x0, @in6={{0xa, 0x4e20, 0xc9}}, 0x80000001, 0x2}, &(0x7f0000000940)=0x90) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f00000009c0)=@int=0x5, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'bcsh0\x00', 0x0}) ioctl$sock_inet6_SIOCDELRT(r1, 0x890c, &(0x7f0000000180)={@dev={0xfe, 0x80, [], 0x13}, @loopback={0x0, 0x1}, @mcast2={0xff, 0x2, [], 0x1}, 0x6, 0x0, 0x42e, 0x100, 0x9, 0x80000000, r2}) r3 = socket$inet(0x2, 0xa, 0x5) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000000600)=[@in={0x2, 0x4e21, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}, 0x200}, @in={0x2, 0x4e22, @multicast2=0xe0000002}, @in6={0xa, 0x4e21, 0x1ff, @local={0xfe, 0x80, [], 0xaa}, 0x84}, @in6={0xa, 0x4e20, 0x4, @local={0xfe, 0x80, [], 0xaa}}], 0x74) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000200)={0x0, 0x8}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000300)={r4, 0x70, &(0x7f0000000280)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x12}}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in={0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1a}}, @in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x0, @rand_addr=0x3ff}, @in={0x2, 0x4e24, @multicast2=0xe0000002}]}, &(0x7f0000000340)=0x10) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000004c0)={r5, @in={{0x2, 0x4e20, @rand_addr=0x8}}}, 0x84) socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f00000003c0)={'lo\x00', 0x4100}) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000100)={'nr0\x00', {0x2, 0x4e24, @loopback=0x7f000001}}) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f000023afe8)={@multicast2=0xe0000002, @loopback=0x7f000001, 0x1, 0x1, [@multicast2=0xe0000002]}, 0x14) pread64(r0, &(0x7f0000000340)=""/181, 0xb5, 0x62) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000f00000)={@multicast2=0xe0000002, @loopback=0x7f000001, 0x0, 0x1, [@empty]}, 0x14) getsockopt$EBT_SO_GET_INIT_ENTRIES(r0, 0x0, 0x83, &(0x7f0000000180)={'nat\x00', 0x0, 0x3, 0xc4, [], 0x3, &(0x7f0000000040)=[{}, {}, {}], &(0x7f0000000080)=""/196}, &(0x7f0000000200)=0x50) r6 = openat$audio(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/audio\x00', 0x8000, 0x0) r7 = syz_genetlink_get_family_id$fou(&(0x7f0000000740)='fou\x00') sendmsg$FOU_CMD_DEL(r6, &(0x7f0000000800)={&(0x7f0000000700)={0x10}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x34, r7, 0x400, 0x70bd2d, 0x25dfdbfb, {0x2}, [@FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x67}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3f}, @FOU_ATTR_PORT={0x8, 0x1, 0x4e23}]}, 0x34}, 0x1, 0x0, 0x0, 0x4000000}, 0x1) r8 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r8, 0x0, 0x27, &(0x7f00003fdff5)={@multicast2=0xe0000002, @loopback=0x7f000001, @rand_addr}, 0xc) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000400)=0x7, 0x4) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xd}}}, 0xf80866d, 0x5}, &(0x7f0000000540)=0x90) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000440)={r9, 0x400000000004}, &(0x7f00000005c0)=0xffffffffffffffc3) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f00000002c0)={r10, 0x10001, 0xc9e9}, &(0x7f0000000300)=0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000580)={r11, 0x1}, &(0x7f0000000680)=0x8) 2018/03/31 09:38:23 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:23 executing program 4: r0 = socket(0x1000000010, 0x4000000000802, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000200}, 0xfffffff4, &(0x7f00000000c0)={&(0x7f0000000940)=ANY=[@ANYBLOB="200000001e000305000000000000000007000000", @ANYRES32=0x0, @ANYBLOB="1b0322c58e6d"], 0x20}, 0x1}, 0x0) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000140)={0x0, 0x3}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={r1, 0x6, 0x2}, &(0x7f0000000200)=0xc) listen(r0, 0x497) recvmsg(r0, &(0x7f0000000340)={&(0x7f0000000040)=@ethernet={0x0, @remote}, 0x80, &(0x7f00000033c0), 0x0, &(0x7f0000000280)=""/175, 0xaf}, 0x0) 2018/03/31 09:38:23 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:23 executing program 2: mremap(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x2000, 0x0, &(0x7f0000003000/0x2000)=nil) pipe(&(0x7f00005dcff8)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f0000335000), 0x10009) getsockopt$EBT_SO_GET_ENTRIES(r0, 0x0, 0x81, &(0x7f0000000380)={'nat\x00', 0x0, 0x3, 0xe8, [], 0x0, &(0x7f0000000400)=[{}, {}, {}], &(0x7f0000000280)=""/232}, &(0x7f0000000200)=0x78) r2 = dup2(r0, r1) vmsplice(r0, &(0x7f0000000140)=[{&(0x7f0000000180), 0xffffff07}], 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f0000000040)=@broute={'broute\x00', 0x20, 0x5, 0x800, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000440], 0x0, &(0x7f0000000000), &(0x7f0000000440)=[{0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x9, 0x3, 0x0, 'ip6gre0\x00', 'teql0\x00', 'ifb0\x00', 'teql0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0xff, 0xff, 0x0, 0x996897f3fa18361c, 0x0, 0xff], @empty, [0x0, 0xff, 0x0, 0xff, 0x0, 0xff], 0x70, 0xc0, 0x108}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x5, 'syz1\x00', 0x87}}}]}, @common=@RATEEST={'RATEEST\x00', 0x20, {{'syz0\x00', 0x4, 0x5aad, 0x2}}}}]}, {0x0, '\x00', 0x1, 0xfffffffffffffffe, 0x2, [{{{0x5, 0x4, 0xaf7, 'lo\x00', 'gre0\x00', 'bcsh0\x00', 'gretap0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, [0x0, 0xff, 0x0, 0x0, 0x0, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xc}, [0xff, 0x0, 0x0, 0xff, 0xff], 0xe0, 0x1a8, 0x220, [@vlan={'vlan\x00', 0x8, {{0x2, 0x7, 0x3, 0x2, 0x2}}}, @devgroup={'devgroup\x00', 0x18, {{0x7, 0x4, 0x40, 0xfff, 0x5}}}]}, [@common=@log={'log\x00', 0x28, {{0x9aa, "df07087b13d873ebff543a207224ffa78596903bbd469c4afd0f24fa995d", 0x6}}}, @common=@nflog={'nflog\x00', 0x50, {{0x400, 0x3, 0x2400, 0x0, 0x0, "80c0d4b3e4e567e58a8d7ebe0c2abf94c28c3cd65e6ad0759e736f87cefca15651ba596dbdff8ce8792c81efe1e6727e768d8f81f6764b64745d42dea1532c6f"}}}]}, @common=@NFLOG={'NFLOG\x00', 0x50, {{0x3, 0x5, 0x1, 0x1, 0x0, "a8a7c67ea475a92553b048225c7c6f6a87bfefe29e258afff60172b69bc7fea085ebbb26d7f543bdd6064e0fd8162a52e7fb9d95f95312dad41828c6bc241a9c"}}}}, {{{0x7, 0x8, 0x8100, 'ip6tnl0\x00', 'bcsh0\x00', 'bpq0\x00', 'ip_vti0\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}, [0xff, 0x0, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0xff, 0x0, 0x0, 0xff, 0xff, 0xff], 0xd0, 0x148, 0x178, [@arp={'arp\x00', 0x38, {{0x204, 0xa00, 0x9, @empty, 0xff000000, @empty, 0xff, @empty, [0xff, 0x0, 0x0, 0xff], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [0xff, 0xff, 0x0, 0x0, 0x71913622cfe1b23a], 0xa, 0x34}}}]}, [@common=@nflog={'nflog\x00', 0x50, {{0x400, 0x9, 0x7f, 0x0, 0x0, "a316b232aa49791235af7175de9a557dc02f0e075717115c3d17c7b3784d6e3bc382333ae64508585cec81a6833557ede403c6d0f48a87ae9d88b2bc9e2b9511"}}}]}, @common=@CLASSIFY={'CLASSIFY\x00', 0x8, {{0x4}}}}]}, {0x0, '\x00', 0x3, 0xffffffffffffffff, 0x1, [{{{0x9, 0x29, 0x88ff, 'syzkaller1\x00', 'gre0\x00', 'erspan0\x00', 'ip6tnl0\x00', @empty, [0x0, 0x0, 0xff, 0x0, 0xff, 0xff], @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x15}, [0xff, 0xff, 0x0, 0x0, 0xff, 0xff], 0xb0, 0x100, 0x130, [@time={'time\x00', 0x18, {{0x6, 0xa91, 0xf961, 0x1b25, 0x7fffffff, 0x1, 0x1}}}]}, [@common=@log={'log\x00', 0x28, {{0x7fffffff, "4353238107f0a530b3b5a6fae949e560480e41c99f95d4f5ad95ffe651d9", 0x1}}}]}, @common=@AUDIT={'AUDIT\x00', 0x8}}]}, {0x0, '\x00', 0x4, 0xffffffffffffffff, 0x1, [{{{0x11, 0x7a, 0x19, 'syz_tun\x00', 'bcsf0\x00', 'bpq0\x00', 'irlan0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [0xff, 0x0, 0xff, 0x0, 0xff], @empty, [0x0, 0x0, 0xff, 0xff, 0xff, 0xff], 0xb8, 0x128, 0x170, [@ip={'ip\x00', 0x20, {{@broadcast=0xffffffff, @dev={0xac, 0x14, 0x14, 0x12}, 0xff000000, 0x0, 0x7, 0x0, 0x4, 0x0, 0x4e22, 0x4e21, 0x4e21, 0x4e21}}}]}, [@common=@dnat={'dnat\x00', 0x10, {{@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}, 0xfffffffffffffffc}}}, @common=@mark={'mark\x00', 0x10, {{0xfffffff0, 0xffffffffffffffff}}}]}, @common=@ERROR={'ERROR\x00', 0x20, {"d1d9e33006efe5e73cb34166e7f8c1be77a351544288ffa9bda68153a7d1"}}}]}]}, 0x878) 2018/03/31 09:38:23 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000a21000)={0xa, 0x4e20}, 0x1c) r1 = getpid() ioprio_get$pid(0x1, r1) sendto$inet6(r0, &(0x7f00005a0fff)='8', 0x1, 0x0, &(0x7f00007bcfe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) prctl$getreaper(0x19, &(0x7f0000000080)) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x2, 0x2) bind$netlink(r2, &(0x7f0000000040)={0x10, 0x0, 0x25dfdbfb, 0x4000}, 0xc) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000100)=@sack_info={0x0, 0x8, 0x100000001}, 0xc) 2018/03/31 09:38:23 executing program 6: r0 = openat$ion(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ion\x00', 0x0, 0x0) r1 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0x80000001, 0x40) epoll_ctl$EPOLL_CTL_DEL(r1, 0x2, r0) r2 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x2, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0x86ab156, 0x1b, 0xfffffffffffffffd}) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000080)={0xfffffffffffffffc, 0x0, 0x0, r2}) 2018/03/31 09:38:23 executing program 4: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, &(0x7f0000c97ff8)) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) close(r1) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000ee1000)) socket$inet(0x2, 0x3, 0x3) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000d7c000)={0x0, r1}) 2018/03/31 09:38:23 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) close(r2) 2018/03/31 09:38:23 executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000180)='oom_adj\x00') getsockopt$bt_BT_RCVMTU(r3, 0x112, 0xd, &(0x7f0000000200)=0x2, &(0x7f0000000440)=0x2) ioctl$VHOST_SET_VRING_ERR(r3, 0x4008af22, &(0x7f00000001c0)={0x2}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000002c0)=[@text64={0x40, &(0x7f0000000240)="66baf80cb886f63682ef66bafc0c66b85f8a66ef430f01df66ba200066b87d6b66ef43c07f5a0f66450f388279573e450f01d1660f01303e3e460f01cb0f236fc7442400246f0000c744240209000000c7442406000000000f011424", 0x5c}], 0x1, 0x0, &(0x7f0000000300), 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe6000/0x18000)=nil, &(0x7f00000000c0)=[@text16={0x10, &(0x7f0000000040)="670fc72b0f00581066b81db400000f23c00f21f8663502000a000f23f80f001bbaf80c66b8f86beb8666efbafc0cb0d4eed12b2e0fc72b0fc72d3e650f01ca8fe968024d1f", 0x45}], 0x1, 0x0, &(0x7f0000000000), 0x0) r4 = dup2(r2, r2) socket$inet_sctp(0x2, 0x5, 0x84) r5 = getpgid(0x0) ioctl$KVM_GET_SREGS(r3, 0x8138ae83, &(0x7f0000000300)) getsockopt$ax25_int(r2, 0x101, 0x6, &(0x7f0000000100), &(0x7f0000000140)=0x4) ptrace$setsig(0x4203, r5, 0x5d, &(0x7f0000000000)={0x38, 0x6, 0x81, 0x7}) ioctl$KVM_SET_LAPIC(r4, 0x4400ae8f, &(0x7f0000000700)={"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"}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/03/31 09:38:23 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) [ 55.360171] sctp: [Deprecated]: syz-executor5 (pid 5921) Use of int in max_burst socket option deprecated. [ 55.360171] Use struct sctp_assoc_value instead 2018/03/31 09:38:24 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:24 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000000)={'vhan0\x00', 0x400}) r1 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f0000000180)={0x1, &(0x7f0000000100)=[{0x45}]}) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x0, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r2, 0xae04) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) [ 55.523862] syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) [ 55.556495] device lo entered promiscuous mode [ 55.562372] kvm: vcpu 0: requested 34187 ns lapic timer period limited to 500000 ns [ 55.618394] kvm: vcpu 0: requested 34187 ns lapic timer period limited to 500000 ns [ 55.619306] sctp: [Deprecated]: syz-executor5 (pid 5964) Use of int in max_burst socket option deprecated. [ 55.619306] Use struct sctp_assoc_value instead 2018/03/31 09:38:24 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) close(r2) 2018/03/31 09:38:24 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff7, 0x31, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffff37d6, 0x0, 0x0, 0x0, 0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x2, 0x3}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000040)=ANY=[@ANYBLOB="0180c2000000aaaaaaaa000008004500001bb37298d524506d00000000ffffffff007862772f587b00ae029078e0000002"], &(0x7f000071f000)) pipe2(&(0x7f0000000000)={0xffffffffffffffff}, 0x4000) r2 = gettid() fstat(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000140)=0xc) setsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000001c0)={r2, r3, r4}, 0xc) syz_open_dev$audion(&(0x7f0000001080)='/dev/audio#\x00', 0x0, 0x0) io_cancel(0x0, &(0x7f00000010c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000080)}, &(0x7f0000001100)) 2018/03/31 09:38:24 executing program 4: setsockopt$IP6T_SO_SET_REPLACE(0xffffffffffffffff, 0x29, 0x40, &(0x7f0000000080)=ANY=[@ANYBLOB="00000000000000000080000000000000000000000000000009000100030000007802000000000000feffffffffffffff00000000ffffffacdc010000ffffffffffffffffa8010000ffff"], 0x1) r0 = socket$packet(0x11, 0x1000000000000003, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x6, 0x4) r1 = accept4(r0, &(0x7f0000000100)=@pppol2tp, &(0x7f0000000180)=0x80, 0x800) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e24, 0x777f, @loopback={0x0, 0x1}, 0x7}}, 0x10000, 0x1}, &(0x7f0000000280)=0x90) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f00000002c0)={0x2, 0x8000, 0x1, 0x5611, r2}, &(0x7f0000000300)=0x10) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000000)=""/143, &(0x7f00000000c0)=0x8f) sendto$inet6(r0, &(0x7f00000000c0), 0x246, 0x0, &(0x7f0000005fe4)={0xa, 0x0, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) 2018/03/31 09:38:24 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) 2018/03/31 09:38:24 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) r1 = syz_open_dev$adsp(&(0x7f0000000200)='/dev/adsp#\x00', 0x2, 0x40400) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000240)) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dsp\x00', 0x101000, 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(0xffffffffffffffff, 0x111, 0x2, 0x1, 0x4) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000340)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) r3 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGMTSLOTS(r3, 0x8040450a, &(0x7f0000013000)) close(r3) socketpair$inet6(0xa, 0x800, 0x1, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) ioctl$EVIOCREVOKE(0xffffffffffffffff, 0x40044591, &(0x7f0000000280)=0x4) ioctl$sock_ifreq(r4, 0x89b3, &(0x7f00000004c0)={'eql\x00', @ifru_hwaddr=@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x11}}) getsockopt$inet_dccp_buf(r5, 0x21, 0x80, &(0x7f00000000c0)=""/151, &(0x7f0000000180)=0x97) syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x0) close(r0) ioctl$KVM_GET_SREGS(r2, 0x8138ae83, &(0x7f0000000500)) syz_open_dev$usbmon(&(0x7f00000007c0)='/dev/usbmon#\x00', 0x8, 0x82000) io_setup(0x2000000000000000, &(0x7f00000002c0)=0x0) io_submit(r6, 0x1, &(0x7f0000000680)=[&(0x7f0000000300)={0x0, 0x0, 0x0, 0x8, 0x0, r2, &(0x7f0000000380)="9e3aa9f44d45f9c94043ff1a44d22f13d5e3a57cbac7e37fb632bbde6fcac8813d72982f04873234dc45f83a04880ebc945742d2140d51c05af9816bea8b19a8a6cd3ec7f0104d680e8a0ed52bf45dc5b9f523133c520fd72f92881ae97bebc5920ec281e3753a5641b426170cd66d6035b0dd89acceb586ac1b9c4a82ecf7e1c3756727a91c66bee8347b827a08dc263d9b569364532bef5214d82ded397b9007fdf1c4a6a4f55384626780732e25905459aff9337745eb495ab5bf85b70a0c256b44a713ecea02", 0xc8, 0x4, 0x0, 0x1, r5}]) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f00000006c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_CONFIG(r1, &(0x7f0000000780)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x10000001}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x38, r7, 0x210, 0x70bd2b, 0x25dfdbfc, {0xc}, [@IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x816}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e21}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x282}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x8000) 2018/03/31 09:38:24 executing program 6: clone(0x200, &(0x7f00000005c0), &(0x7f0000000640), &(0x7f0000000380), &(0x7f0000000540)="967f4162909ecc571b2419e7fbf3022c909b915dbb74e6031f7759bf0fc9aa5837df7c6286a666f4e6b705675567515a7b") bpf$OBJ_GET_PROG(0x7, &(0x7f0000000100)={&(0x7f0000000500)='./file0\x00', 0x0, 0x18}, 0x10) add_key(&(0x7f0000000140)='pkcs7_test\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000004c0)="c388e90811a72d408278ebe659f08ede8735", 0x12, 0xffffffffffffffff) r0 = add_key$keyring(&(0x7f0000000580)='keyring\x00', &(0x7f00000005c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffb) r1 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000600)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, 0x0, 0x0, r1) r3 = ioctl$KVM_CREATE_VM(0xffffffffffffff9c, 0xae01, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r3, 0xc008ae09, &(0x7f0000000680)=""/254) getsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000480), &(0x7f0000000440)=0xfffffffffffffd81) r4 = add_key$user(&(0x7f00003bd000)='user\x00', &(0x7f0000a00000)={0x73, 0x79, 0x7a}, &(0x7f0000facfff)="01", 0x1, r2) r5 = add_key$user(&(0x7f0000fc0ffb)='user\x00', &(0x7f0000752ffb)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00003eb000)="b3", 0x1, r2) keyctl$update(0x2, r5, &(0x7f0000000240)="df02754677212dfc3e2acc26fdc3ffa64813da494137e175e9f2780ac5e2a09f43a1fcebf272a5a135de92bf4a9033933824f6e6aa023895113293535d1c0066d20e0f275188b4b4c187e18774fc2227cbb60fc6697f5337726164c8fbe1181e6d50986cd98a5c44ac0ec375deb27eafcf7d06438f252510d87bd91d03e7dc2faed85adcd88ca30e75b1e143a72d94defa187e48b89efbbbcc9b9a9a307353df7a21affce4e9149eb122cbc356cb681365afd979e97b57b596e901864a68679f", 0xc0) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000340)='/dev/hwrng\x00', 0x400000, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000380)={0x0, 0x800, 0xfff, 0x9}, &(0x7f00000003c0)=0x10) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r6, 0x84, 0x75, &(0x7f0000000400)={r7, 0x9}, 0x8) keyctl$dh_compute(0x17, &(0x7f0000000100)={r4, r5, r4}, &(0x7f0000a53ffb)=""/5, 0x5, &(0x7f0000c61fc8)={&(0x7f0000a3dffa)={'sha512-avx2\x00'}}) r8 = getpid() dup(0xffffffffffffff9c) socket$inet6_tcp(0xa, 0x1, 0x0) r9 = syz_open_procfs(r8, &(0x7f0000000180)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") fcntl$setstatus(r9, 0x4, 0x44009) kexec_load(0x9, 0x1, &(0x7f0000001580)=[{&(0x7f0000000340)="7b1b0bcf7423519d322d44b123ffb713c3bede047d44e4ab6b9913b72fe4c78b9d02f67acb8bde40f9705a0a53808d8ffb1e97cae1bd2056709adfef64e9cbaa168ccc506a76ff385046d0345425a91d3a6928a4e13d3441ce1957a1622114e91604f1424e1b55ac1a594a1b4881ddbc144e14f9735ab2f508c64c93da96ffc0e5f496b62e5e348818ad171ec596e97f092d1cdaf32c2397411d8bbd7027f32d572ff7de89efaac020ea2f38fb6d4abae2e2e32c7030a37406de441fe81d17bdb54550d0f174f333149b88ce03602c760b8d755bb23a", 0xd6, 0x80000001}], 0x3e0000) r10 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x0, 0x20000) read$eventfd(r9, &(0x7f0000000200), 0xfffffe08) ioctl$LOOP_SET_BLOCK_SIZE(r10, 0x4c09, 0x8000) write$eventfd(0xffffffffffffffff, &(0x7f0000000000)=0x8, 0x7) ftruncate(r10, 0x200000000000000) getsockopt$inet_IP_IPSEC_POLICY(r9, 0x0, 0x10, &(0x7f0000000240)={{{@in, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@remote}}, &(0x7f0000000040)=0xe8) ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f0000000080)={'syz_tun\x00', r11}) syz_open_dev$usbmon(&(0x7f0000001640)='/dev/usbmon#\x00', 0xe1, 0x400) 2018/03/31 09:38:24 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:24 executing program 2: r0 = socket(0x0, 0x2, 0x0) r1 = socket(0x0, 0x2, 0x0) bind(r0, &(0x7f0000000580)=@generic={0x0, "0103000000000500ffffffffffffffe409a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f84b9a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f131668ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c801f70dc136cb184a"}, 0xffffffffffffff3e) unshare(0x60000000) getuid() getgid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000e00), &(0x7f0000000e40)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000000000)=0xffffffffffffff25) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000001100)={{{@in6=@local, @in=@multicast2}}, {{@in6}, 0x0, @in=@loopback}}, &(0x7f0000001200)=0xe8) gettid() getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000001400), &(0x7f0000001440)=0xc) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000180)) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000001480)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), &(0x7f0000001500)=0xc) r2 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000180)={'\x00', &(0x7f0000000600)=ANY=[@ANYBLOB="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"]}) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCGARP(r2, 0x8954, &(0x7f0000000400)={{0x2, 0x4e23, @rand_addr=0x8000}, {0x307, @random="04d8d2a5efdf"}, 0x14, {0x2, 0x4e24, @multicast2=0xe0000002}, 'bridge0\x00'}) r3 = accept4$ax25(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000480)=0xffffff16, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f00000004c0)=0x9, 0x8) getsockopt$IPT_SO_GET_INFO(r2, 0x0, 0x40, &(0x7f0000000380)={'security\x00'}, &(0x7f0000000280)=0x54) recvfrom$ax25(r3, &(0x7f0000000080)=""/133, 0x85, 0x10100, &(0x7f00000001c0)={0x3, {"ddf6d4b4097ce5"}, 0xff}, 0x10) [ 56.206923] skbuff: bad partial csum: csum=0/65535 len=572 2018/03/31 09:38:24 executing program 5: r0 = accept(0xffffffffffffffff, &(0x7f0000000000)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x80) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000100)=0x4) init_module(&(0x7f0000000140)='\x00', 0x1, &(0x7f0000000180)='\x00') getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0xc) setreuid(r1, r1) 2018/03/31 09:38:24 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) close(r2) 2018/03/31 09:38:24 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:24 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) 2018/03/31 09:38:24 executing program 4: openat$mixer(0xffffffffffffff9c, &(0x7f0000000200)='/dev/mixer\x00', 0x1fff, 0x0) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x0, 0xffffffff, @reserved=0x1}, 0x10) r0 = memfd_create(&(0x7f00000001c0)="0608000008847f00", 0x3) write(r0, &(0x7f0000ffdffb)='#!', 0x2) perf_event_open(&(0x7f0000220000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x2000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$RDS_CONG_MONITOR(r0, 0x114, 0x6, &(0x7f0000000040)=0x1, 0x4) execveat(r0, &(0x7f0000ff7000)='./file0\x00', &(0x7f0000d0e000), &(0x7f000034bff8)=[&(0x7f0000ff7000)="00000000000000060804002000fffc0c6565643b799365005f1b76"], 0x1000) [ 56.280403] IPVS: ftp: loaded support on port[0] = 21 2018/03/31 09:38:24 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) unshare(0x40600) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:24 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) [ 56.522961] IPVS: ftp: loaded support on port[0] = 21 2018/03/31 09:38:25 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) 2018/03/31 09:38:25 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:25 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:25 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f00000000c0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) setsockopt$sock_int(r0, 0x1, 0x5, &(0x7f0000881ffc)=0xdf29, 0x4) sendto$inet(r0, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x80) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000040)={0x7, 0x0, [{}, {}, {}, {}, {}, {}, {}]}) 2018/03/31 09:38:25 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'aead\x00', 0x0, 0x0, 'echainiv(ccm(camellia))\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000b", 0x10) sendmmsg$alg(r1, &(0x7f000000d100)=[{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000004c0)="9650f5cb983c3a559baef5e940d411aff37ab18acfbbf56dbbc39020d0abaa2d", 0x20}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000480)={&(0x7f0000000040)=@nfc_llcp, 0x1e, &(0x7f0000b9c000)=[{&(0x7f000080f000)=""/4096, 0x1000}], 0x1, &(0x7f0000da2000)}, 0x0) r2 = request_key(&(0x7f0000000000)='cifs.spnego\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000100)='em1vboxnet1.self@\x00', 0xfffffffffffffff9) r3 = add_key(&(0x7f0000000240)='asymmetric\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xffffffffffffffff) keyctl$search(0xa, r2, &(0x7f00000001c0)='logon\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, r3) 2018/03/31 09:38:25 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) unshare(0x40600) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:25 executing program 2: write(0xffffffffffffffff, &(0x7f0000c34fff), 0xffffff0b) perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) kexec_load(0x0, 0x0, &(0x7f0000001240), 0x0) r0 = memfd_create(&(0x7f0000000380)="51eb0b6cd3307387d79b8343e4c0f3a0650dfd2521d7c4ceddbf3cb126e1a4263cfdf578ed87c27461e2748b8a752572d384fc3975129b4b46cae43833764cf878594d66a297a3b36761d8e4ca7cf55cd32324829ce12584d0dd644e61065009f390b981cb2e5d0fc33397297f84f7f826a02b5e85491c3f4a040d3650739c791e3cf9068a7e0397743f07e4d156a0c43e532c154164904b4bdec2481bf373ec7a0d63c6860f11775e8b4d881f59066c1a8cd7569ac6e1cdb901", 0x0) ioctl$DRM_IOCTL_SET_VERSION(r0, 0xc0106407, &(0x7f0000000280)={0x7f, 0x4ed, 0xb5ab, 0x8}) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f00000002c0), &(0x7f0000000300)=0x10) r1 = mq_open(&(0x7f0000000180)="51eb0b6cd3307387d79b8343e4c0f3a0650dfd2521d7c4ceddbf3cb126e1a4263cfdf578ed87c27461e2748b8a752572d384fc3975129b4b46cae43833764cf878594d66a297a3b36761d8e4ca7cf55cd32324829ce12584d0dd644e61065009f390b981cb2e5d0fc33397297f84f7f826a02b5e85491c3f4a040d3650739c791e3cf9068a7e0397743f07e4d156a0c43e532c154164904b4bdec2481bf373ec7a0d63c6860f11775e8b4d881f59066c1a8cd7569ac6e1cdb901", 0x40, 0x50, &(0x7f0000000240)={0x5, 0x200, 0x7, 0x64c2, 0x9, 0x1, 0x8, 0x8}) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x3, 0x30}, &(0x7f0000000080)=0xc) ioctl$DRM_IOCTL_GET_UNIQUE(r1, 0xc0106401, &(0x7f0000000340)={0xc5, &(0x7f0000000440)=""/197}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f00000000c0)={r2, 0x4, 0x9, 0x1ff, 0x80000000}, &(0x7f0000000100)=0x14) readv(0xffffffffffffffff, &(0x7f0000000000), 0x0) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000140)={r2, 0x2}, 0x130) fallocate(r0, 0x1, 0x1f, 0x2) 2018/03/31 09:38:25 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40280}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd28, 0x25dfdbfd, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x11}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x20040004) 2018/03/31 09:38:26 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000040)={0x79}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000000a80)={"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"}) getpeername$inet6(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, @mcast1}, &(0x7f0000000180)=0x1c) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000000c0)={[], 0x0, 0x1600}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/03/31 09:38:26 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:26 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:26 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) 2018/03/31 09:38:26 executing program 2: bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000240)=0x9, 0x4) r0 = socket(0x40000000015, 0x5, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x5) setreuid(0x0, r1) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r2, 0x701, 0x70bd29, 0x25dfdbfc, {0xa}, [@IPVS_CMD_ATTR_DAEMON={0x40, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'nr0\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ifb0\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ip6gre0\x00'}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x40040}, 0x4000000) r3 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r3, &(0x7f0000e13000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$sock_int(r3, 0x1, 0x40, &(0x7f00001d3000)=0x1, 0xfffffff2) connect$inet(r3, &(0x7f0000606ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendmmsg(r3, &(0x7f0000002200)=[{{&(0x7f0000000840)=@rc={0x1f}, 0x80, &(0x7f0000000040)=[{&(0x7f0000000440)="ed", 0x1}], 0x1, &(0x7f0000000a00)}}], 0x1, 0x4004000) 2018/03/31 09:38:26 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:26 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:26 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:26 executing program 4: remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x3, 0x2, 0x10) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) fcntl$getownex(r1, 0x10, &(0x7f0000001300)={0x0, 0x0}) syz_open_procfs(r2, &(0x7f00000014c0)='net/ip6_tables_targets\x00') mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r1, 0x0) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r3, 0x890b, &(0x7f0000000040)={0x4, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x19}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r3, &(0x7f0000000200)=[{}, {}], 0x2, 0x10000) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f00000013c0), &(0x7f00000012c0)=0x8) fcntl$setstatus(r3, 0x4, 0x6000) pread64(0xffffffffffffffff, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r4 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000001280)={0x2000000000005, 0x208, 0x0, 0xfffffffffffffffc, 0x0}, &(0x7f0000001240)=0x10) setsockopt$inet_icmp_ICMP_FILTER(r3, 0x1, 0x1, &(0x7f0000000540)={0x8}, 0x4) add_key$keyring(&(0x7f0000000480)='keyring\x00', &(0x7f00000004c0)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, r4) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440)=r5, 0x4) ioctl$TIOCGSID(r3, 0x5429, &(0x7f0000000500)=0x0) getpriority(0x2, r6) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000001400)={r5, @in={{0x2, 0x4e21}}, 0x9, 0x0, 0x0, 0x8, 0x9}, 0x98) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08d3bd4638a58e83814385f71a0854", 0x85, r4) 2018/03/31 09:38:26 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000942000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000d4effc)=0x31c4, 0xfffffffffffffe12) connect$inet(r0, &(0x7f00000002c0)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x18}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000001c0)='tunl0\x00', 0x10) r1 = dup2(r0, r0) getsockopt$inet6_tcp_buf(r1, 0x6, 0xb, &(0x7f0000000000)=""/89, &(0x7f0000000080)=0x59) getsockopt$EBT_SO_GET_INIT_ENTRIES(r0, 0x0, 0x83, &(0x7f0000000140)={'filter\x00', 0x0, 0x3, 0xcb, [], 0x7, &(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}, {}], &(0x7f0000000300)=""/203}, &(0x7f0000000200)=0x78) sendto$inet(r0, &(0x7f0000000b40)="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", 0x595, 0x0, 0x0, 0x0) sendto$inet(r0, &(0x7f00006d1fd4)="db", 0x1, 0x4000000, &(0x7f00004daff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/03/31 09:38:26 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:26 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:26 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:26 executing program 6: remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(0xffffffffffffffff, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580)=[{&(0x7f0000000140)="57f497c07989c619e48c28775f63e222da55", 0x12}], 0x1, 0x0) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) ioctl$VHOST_SET_VRING_CALL(r0, 0x4008af21, &(0x7f00000001c0)={0x1, r0}) r1 = dup3(r0, r0, 0x0) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) setsockopt$inet6_dccp_int(r0, 0x21, 0x0, &(0x7f0000000180)=0x9, 0x4) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000080)=0x0) r4 = syz_open_procfs(r3, &(0x7f0000000380)='net/stat\x00') epoll_wait(0xffffffffffffffff, &(0x7f0000000200)=[{}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000540)=ANY=[@ANYBLOB="96000000c845a7d9d12a8cd77407b696a29a5dcd8f748f9e08ee010e6d34e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac526d2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a5edfee7ac3cdbf0ab0678386558b156e4d98c33b76442e35aa353bed56cb74736dd4603f93ecc2bf94b9000a97bca760000000000000000000000000096bf8b29dea1593b86ef61dcc40465340132a65c264371077ebcab907e125d19ad82b9780f3c05cc3c43ae3333d3c63f789e0d4b999abc3ed6bb1c736db1e7a72869044aa8640a58c67d000000000000000000000000000000"], &(0x7f00000012c0)=0x1) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$sock_ipx_SIOCGIFADDR(r1, 0x8915, &(0x7f0000000000)={'bridge0\x00', {0x4, 0x100000000, 0xff, "4395ed265caf", 0x6}}) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) fcntl$F_GET_RW_HINT(r4, 0x40b, &(0x7f0000000040)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) ioctl$sock_bt_hidp_HIDPCONNADD(r4, 0x400448c8, &(0x7f00000006c0)={r4, r4, 0x900, 0x7, &(0x7f0000000240)="17066fec0aa30e91656e036d9f957b8ee7de", 0x97, 0x5d013132, 0x43, 0xffffffffffffffff, 0x400, 0x7, 0x7f, "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"}) 2018/03/31 09:38:26 executing program 4: r0 = openat$cgroup_type(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.type\x00', 0x2, 0x0) ioctl(r0, 0x87d, &(0x7f00000000c0)="1d97419ae1770944ad59ec39f97aa42793da4c16fe377a1815") perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/ip6_mr_vif\x00') sendfile(r1, r1, &(0x7f0000000280)=0x42402, 0x6) 2018/03/31 09:38:26 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40280}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd28, 0x25dfdbfd, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x11}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x20040004) 2018/03/31 09:38:26 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) unshare(0x40600) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:26 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:26 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:27 executing program 6: r0 = socket$inet(0x2, 0x80003, 0x5) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$getflags(r0, 0xb) ioctl$sock_SIOCGIFINDEX(r0, 0x541b, &(0x7f0000000000)={'ip6gre0\x00'}) 2018/03/31 09:38:27 executing program 4: syz_emit_ethernet(0x66, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x0) r0 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0x40000) ioctl$LOOP_GET_STATUS64(r0, 0x4c05, &(0x7f0000000140)) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000240)=@assoc_value={0x0}, &(0x7f0000000280)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000002c0)={r1, 0x2, 0x20}, &(0x7f0000000300)=0xc) bind(r0, &(0x7f0000000000)=@sco={0x1f, {0xffffffff, 0x80, 0x2, 0x0, 0x10000, 0x2}}, 0x80) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_ipx_SIOCAIPXITFCRT(r2, 0x89e0, &(0x7f00000000c0)=0x8) 2018/03/31 09:38:27 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) [ 58.422475] syz-executor1 (6143) used greatest stack depth: 14440 bytes left 2018/03/31 09:38:27 executing program 2: r0 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x3, 0x80000) getsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000080)=""/197, &(0x7f00000001c0)=0xc5) r1 = memfd_create(&(0x7f0000530000)="51656c2a6e75787b2577ba610000000000000005786e65747b24008951", 0x0) fallocate(r1, 0x2, 0xbdb9, 0x3) syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x6, 0x2040) socket$can_bcm(0x1d, 0x2, 0x2) lseek(r1, 0x0, 0x0) 2018/03/31 09:38:27 executing program 6: r0 = socket(0x3, 0x800, 0x1000000000000003) write(r0, &(0x7f0000f63000)="240000001a0025f0006b000420bbfc00020b00ff00090000001000eb08001900000000b7", 0x24) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000000), 0x4) syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x80000) 2018/03/31 09:38:27 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:27 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) fcntl$setownex(r0, 0xf, &(0x7f0000000080)={0x3, r1}) writev(r0, &(0x7f0000002300)=[{&(0x7f0000001cc0)="38a977aaebcb8e0e8ad9b5ebc8576027179edc5225ec384d84575949f01441fb27e5e5b80e8fb6dfbf7161edebe2efaf6cd4e17c286c6cc6bec9d750b28167ddcb06a5ed42cb1e896dc9c2aa0150bd07af613573335f7833a60170a3f373a0b62e1419e30f0bb1e1b833fd6e2c173e8b4ecc194fc4cfc6091925b90845d970ca87ebbf344faedbf2ad00442ab491dfb429843c8cea3d19ace80235b576369de4a6256750a87fd1c0d7a1a5e20ae6784247aa914ef20de1758a75e60f1da4d39c7e2aaa9d7349433fb5c50a9a3526fc3c83fc6e02617685841e4047b4", 0xdc}, {&(0x7f0000001dc0)="eb713ecf7ad469cf881de390721b45fc2211e09dfb9ff59c8b39bed4982481e8eb29321498987b1c65e8c851375e5a9157b811c1a465b430222d9d5c271316682eebf8cc8fa1438245a6bc684fc365bfa4a8b4f30f9194a6affa55f40e213c6e335aba5107ccd5d5dfd7e0c3ab010ed275c9f74845eb14aedbf45e0fbac846ca325cdb25693231c538146e7deb3eed6cea528260825fcb9bcaba6f4e2a06448ebb5482bb0405f2c7c0ef886f05c6f5f717dbd5cb06916d1769d6f65a0e1e82457d8f11e575", 0xc5}, {&(0x7f0000001ec0)="34336bacd28a76f61ee017abcdd6ee86d7d636bbb1d6325d28341fe5d66fc0c41a28a3e29e57447a107be58fff18ad8be489a48dc0078243794c6b3825", 0x3d}, {&(0x7f0000001f00)="cf7694fafde469e5081cd61c0072075652afffbf6eaab22b4cf800d14b6be4243ae3b8879dc6b44e61858f4530ea4cb8a30924112f57a75a0bf73e7695f0c8ad678036be780caccc37908ccd0f442092fa3a20436cc630aae8c09d8d8466da88337227d373526cf72d30fa9eff73ac45c6e65a36d53aaae1cb9baeae726ef330b6a3bd66ce13fa821fa6f24afab8788e1e6a12bc6cc8c6dc532e671238671890ef827b8a2cd03c15e9343e272964382c715f8d7fb860c0b7485cd4e2e27ab9485c8ba0d6a0b9040f6f3f4c2cf04659a8e8b667d96d1d757ee996d40f2bc4b0e5", 0xe0}, {&(0x7f0000002000)="b98f6ab82003499bb383ecff25348f8b2442c89ba79d1eebda03d04f34685c67d736a4d2eabb14222d75f074b15c1de8227dfc339ae01ca6", 0x38}, {&(0x7f0000002040)="4268c2afd5236fd760148dbd12c43a487cddbad6311b5943fc83d5d2f234210d70db87bf02e649dad73af1dc800734c27304f32923ed0555febfc044912301ca9d8a188961825804d3dee275a70bd17e2b8005d024beabe6a70c76eddf18592cb3980b28622cce22880d9804732253bf6f16d3a861d9d05ac3f62711ea", 0x7d}, {&(0x7f00000020c0)="ea178959bb116411cf25bb8b2b9bf7d61c0647f9ad379e7cd07f3af278841c8ef97831300d0151376d436462ce8abd25cc2b2765cdf63880ffe55a814bdaa19c27525a798b6d21cad657585b62ead4e9576fae247c81c5f228dd95bf649205ef363ff10418fb507aadb2ce629c9435c6b0cfd6e0a27fc53ecd90b3f06d0091b13f5b65feef915154cf4f87a991fffcbeab4a", 0x92}, {&(0x7f0000002180)="4987ab5a2a883746eae546e4201eec9d7ef15abe3be153c850e26e19b10d898813a48b8bd69adfbc3455cc736ce7e6e4c39fb8e8023968a4c9606840023ca4e06b396142c6af86092f6ea7dc1dea0fa440b3dd4649ac5c", 0x57}, {&(0x7f0000002200)="726f5e8a16ff50af31873dfe7a2f67a4fbb299e9b037c33b28979748666fc35fa1771ca22e381c54f632a77d95556673ec39855b82e0cf2d1f5f71f023ec3220a87ebb8e6c2477f7f45c880ca7ed462e6a386b973a1e581c71b39f4f13e0dda1f2ccec96dfcae898f580dd369e1d35ae9152e621bf883e13fffc501ff919aba898d02c199a771e767889cf330e7286abf86917a82a881e3c2e209bde8695c35fad4cbea286b40ee6a5f92bc1ecc5059328d40be970fbfe5281403ac5e3a93b908699cad11f44202c0a169d87d789f1e63bbd71ea0042f1e5", 0xd8}], 0x9) bind$alg(r0, &(0x7f000065ffa8)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00001ec000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r2 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r2, &(0x7f0000f74fc8)={0x0, 0x0, &(0x7f00007e0ff0), 0x0, &(0x7f00000000c0)=[@iv={0xc8, 0x117, 0x2, 0xb3, "7e76bbffb38a4955e7b346eae641b4b8a361e253aba3b231b7e6d095325e7356a2ea4d1c7a3d99fbf232f1b21f2222a128759a08281c4918f2cb767d0ed6b46856b88b586fe0d9df0c1fc2fbb845cd7a79bcc774cd9a5961b6b742be20e91ecc426f17e53e49b4fe5a44b9409c1f28c6b578afe126f09f696975ca7b294e286394a0bac050c24e70eefff94f895b1d05c5371298678386a25252c890605ef93e8069f371f1ac176df9419fa29f04dad46a39bd"}], 0xc8}, 0x0) readv(r2, &(0x7f0000000340)=[{&(0x7f0000000300)=""/34, 0x22}], 0x1) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rtc\x00', 0x10000, 0x0) r4 = syz_open_dev$dmmidi(&(0x7f00000003c0)='/dev/dmmidi#\x00', 0x8001, 0x20800) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000400)={0x0, 0x0}, &(0x7f0000000440)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000480)={0x0, 0x0, 0x0}, &(0x7f00000004c0)=0xc) sendmmsg$unix(r3, &(0x7f0000001c40)=[{&(0x7f0000000200)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000380)=[{&(0x7f0000000280)="1ae22fb2599daebcd6fe7883a5d5e8aef22c79018baf5dd5990d0091facfdfbd2cba290310714363f98f76a7ca2756cf4c", 0x31}, {&(0x7f00000002c0)="6437ae8376773fbd70c2544f300ebc1df0de4a35e9e07a6677e42c756688a9158b", 0x21}], 0x2, &(0x7f0000000500)=[@rights={0x20, 0x1, 0x1, [r4, r2, r2]}, @cred={0x20, 0x1, 0x2, r1, r5, r6}, @rights={0x20, 0x1, 0x1, [r2, r0, r2, r2]}], 0x60, 0x800}, {&(0x7f0000000580)=@abs={0x0, 0x0, 0x4e23}, 0x6e, &(0x7f0000001b80)=[{&(0x7f0000000600)="c17e38d3d9d8c72b74fa65a86ea9f0ddd2b9d27bd05003358bb41c02a643a1da1265e84c11666f9cb60ce276aeb33376ffb83c53ddea4e09ccadbc7802e9f6c1280644", 0x43}, {&(0x7f0000000680)="d01f2e949439cb1d0429398ef1e72caab0a277f98eb438197a438c9e5a8d25b22598b4408260c76045ba068140656ad894338e0f8d1c2c820ed42e6555860a64145246c6920eb2fbdb404965035fe6b2e5ae7c02f67d17a71e5501dddf055deaa962ca34a31342d52e93aa8148a5ef7565983221d6d6f3cca8daeebab75691a71e803616f4396d", 0x87}, {&(0x7f0000000740)="6b88b5ea9b21ed2c2b5935eb945d05e26163e66b685c3c3b37f114cb341f8c58f220f419906daacaf9f4694a72fc8523f88f9285a0ec2b1c0b4a385027a0067a37f2f5e0a05b75024e62349d17aec16174665ae08f87e427088e8dfb94f6e1b36363d5caaab6c68a22371183a73bd7646a76351fa25a1f205965ef0af770765c2eaf01c4256cb53c48cf0fbb84d9358779f4b5b7400f8f3e515d384a5002a9087a3ddb27b6aa2a785caa4ca805e769b3978396e19f5ea859fe26ff003a33997b4f74d0045961decf4d10dde7a5462cd7d725a31090", 0xd5}, {&(0x7f0000000840)="17e8661bc59b9c88780da188fc036cfb1cc3", 0x12}, {&(0x7f0000000880)="e7fcb0f09205922204ed7bd72357c4ac22618551a142e8ee4cb22571654a3b5f1a05aab158cffafe5db4c378bd78f07a9a2342e17c5aa120562ebdab6d4af40e05aa7e5475396c876bfdbce21152a20af403ed7db546f4101dc79b8e637aba42eb6d83ff6efecbe3ab1188410eac043eb2d529a12d1417b437694d481a3c213763320634bbbd95b38ebbd14dd8a0c1075bd7134d9660bdb8aef41c7b1d3c2f50f6167f7577a0ef2d3a98ff447c68bdca7463f38226644cad8833115f9374dc11554cf7464ae28ca2c473c7109a1413b72f1fb39b9d2a973cd3347d48f662cbd4bc783d1d8f3d777a15f3e031fdfde2a517b3c34b561165178a", 0xf9}, {&(0x7f0000000980)="28b58fe2f5cffeb417cb05abfb1621b69193d104c75aae5df6ab9886d3886fc6100ab26652c84fe39326d0a73d7556163ac3ac11cd6dcc0086f2", 0x3a}, {&(0x7f00000009c0)="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", 0x1000}, {&(0x7f00000019c0)="b719a4fb454820c7f71931568815cb2e254593ac117da1fdb502b41fed0e23e85b3daf1e2709ffdf35a7a9f3df20df6ad642f93904735b8d2b3488fbed0944579e8ed14e5e2b9fd78ad1b4f0c4f05d596e6ee4f7691ccf8f67b9cc29acdb981f4376349cc04e83516b0be433ea58ac736a1a05e12abd20f361197d3e46266b10d6d4", 0x82}, {&(0x7f0000001a80)="059bc9e29ed47607fdbe91d89b3bd6eace4a7877b2cb316e46e88cbe088d96f609d662a316f76c37eca302f1287f56e00decb13d6b0b441ad138c7bafa04ac0ed95891ebb05dbcf04cb14af55200e9884040a7a97ac626b187352f5765fada358c7a1d4da7a38ec42e76281bc26c14e15e6bf3d711f281ee02ee713f614d0a4177a944256ffba27571cc141e7579c5299e548311308f3337db7e46303750c722b930b304ae3a8b46289bed1cfc6407e0b53d04a65a07b837200b8d07ac478f5522ac9dac1fdddf070802cc059c4b6e4fa42479249e244c540359f79efdc50ac75a255bdee8dcb1e679a2dd802479fc77", 0xf0}], 0x9, 0x0, 0x0, 0x800}], 0x2, 0x40) syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x100, 0x1c1082) 2018/03/31 09:38:27 executing program 2: r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000d81ff8)=0x101) 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(&(0x7f0000000040)='./control/file0\x00', 0x0) write$sndseq(r2, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) rename(&(0x7f0000000240)='./control/file0\x00', &(0x7f00000001c0)='./file0\x00') setsockopt$inet6_MCAST_MSFILTER(r2, 0x29, 0x30, &(0x7f0000000280)={0x3, {{0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, [], 0x15}, 0xb49}}, 0x1, 0x7, [{{0xa, 0x4e22, 0xfff, @loopback={0x0, 0x1}, 0xfffffffffffffffc}}, {{0xa, 0x4e24, 0xffffffffffffff81, @mcast1={0xff, 0x1, [], 0x1}, 0xfffffffffffffffb}}, {{0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0xfff}}, {{0xa, 0x4e23, 0x8, @mcast1={0xff, 0x1, [], 0x1}, 0x5}}, {{0xa, 0x4e22, 0x6, @loopback={0x0, 0x1}, 0xea}}, {{0xa, 0x4e24, 0x4, @local={0xfe, 0x80, [], 0xaa}, 0x401}}, {{0xa, 0x4e24, 0x7ff, @mcast2={0xff, 0x2, [], 0x1}, 0x8}}]}, 0x410) ftruncate(r2, 0x0) close(r1) 2018/03/31 09:38:27 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:27 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:27 executing program 6: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) writev(r0, &(0x7f0000000e80)=[{&(0x7f00000008c0)="a79e08240b35dac6cc4496be788910df8544d9e58f60b5a1d13656daa2b6abb41966c5b0e2d71661b1dd46f5f64931b325ef181a4e782a929e3573a637a44b17696290", 0x43}, {&(0x7f0000000940)="d46fda61701f2bd423e7f63f1529365d47f46a602169b80bf269d47970e26ea46dd03475b0ffdd6e8bc5876a91cde3c1a4617500ffad878ee0b1ab886e78e10026b1f7aa5dfe9b7b5b67f8caa939a570455ddaa66b90fe3415335429b04d3c9f2c3e18a9666b04fde79318f2d6f23d6a5ec4d88e296312dcbcc91ef92c89bca7d8f5e37e8f24889b9a5953b1f99fe120a88c58f52da219b1aaf812a2e1bff898a7c6f47facd86fadc804bd395ee94281359a66daec48e221781411952fb9391237311ddf53c0652f749bf3dabcdcaa80", 0xd0}, {&(0x7f0000000a40)="befacd27be890d602971a4b3fb2cb7e9ac805af62f8f68247d71a1f90e37ca6db9b8956babc08fd1ce31e5b0738f8c72685cd167b50070b89c0b5c84f9cbc952de50dbf135da1b5389ccbc9049b89666267e44d0197ce5f5132bfc90b8b0d811c4c6b1b94e3c6dd31394c068345833a80e510a0cd1f3e8b7a1b49451bb7cd59b82dd554d45238d803a8109c8950d2a5282621946ab13476c749b8338d3bd43834252d2c5bf87a5cc6897b8eb8a7918d6d44b15238d21874a43829068414774b4b12102842137d59550f97b817a2b4f917940296a74573635d212b6340cb7", 0xde}, {&(0x7f0000000b40)="9fdf96ed3dfc5a7f43d4acccde3f36e83d77355570936fed4bdc80244a17d2f56599478c2171ce6e4cbac4a6e4cad4dd6095d56aa78b818482f22c033eeb579446cb8976ddad1f0e07e05e54e96a224ff53eb0f2", 0x54}, {&(0x7f0000000bc0)="49a052a8bd7127de9f0296eedb0c376a2eb3603b1481902fa5901e23e69a69bfeafbd9cea5a11faa6e38385dd51e73d028990e79f0ac738fc73ac3a20da6af986e20f802acdbb7ac83c54644c5b043753e0020044523218febb0fdf3fd8022690a84c050aa3f25dc0294b3a3ccd2519d7d1ce6e47df2dd418e77f8f352b0334b", 0x80}, {&(0x7f0000000580)="37fa659bac2eda8dd7d3f99cb26dd232d2b2fb726968f86c5f0f209e007c9ece5ffa3221f1bf892a38e4d028", 0x2c}, {&(0x7f0000000c40)="8b8b5f8360f3d438f590fd054b9aeb258f727219c7e9373d030f7667da47312d5c8de778653ccc230db673f5bdcf28bccb221f4559a5c68c562dd28d37ef1c5283942763b1259be5b24c14f2a4f823a6b1dc4865caa1d51e048829e286921383955a358161f7835f10bce1eaaf403cab05228e1c18bf016b0d648beb4aa524761f136c7d81a1ced6931b", 0x8a}, {&(0x7f0000000d00)="5405addbf4a50bb072ffe43efd80f2590db9663f693c51ddb2206a431feb2218ab7ab0b42edb0b7d893eefebe1ca01d9e4325a3ebc94507ce1f4f8bc422813f874e64f37929047e37435a3b653533daaada0eda01e60c1f86299f3e0d7e9dfe1e0ca909a2474e76704b6ef3f037a4ab45c65c18dfdd95069c2c72f1c120c8c512a7b3be6f6ff27e2bc33b117bc38e2d0ca0b", 0x92}, {&(0x7f0000000dc0)="f2f80a2a0551634f13d75a8c8a6769b977a00f78e1a78440d7bed87579df07fd511c1b9bc7d4d1161dcf6dfcf8ac46538756a6de98bddc1339512babe0e1f57d25f5b1f431a9e00b0642ff5f37f7258270e137b6a6ac0e565475562976d0b20a1a51dc52c3fc89d5486ef96156f231a5fba2059980bf8d256bd9e6420931b3cde9fb866a045b6a068df3bfa24b1839b0", 0x90}], 0x9) r1 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) bind$netrom(r1, &(0x7f0000000100)=@full={{0x3, {"c2387bf578198f"}, 0x8}, [{"28c5bca944dfe8"}, {"95f27a6ecfd23f"}, {"546d796a050107"}, {"0f16250917641e"}, {"f0d98326ce58a0"}, {"5fd23fa69932c4"}, {"127c132dde7fcc"}, {"05a9714ec488b3"}]}, 0x48) r2 = socket(0x1e, 0x4, 0x0) accept$ipx(r1, 0x0, &(0x7f0000000880)) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000180)=r1, 0x4) setsockopt$packet_tx_ring(r2, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc, 0x0, 0x1, 0xfffffffffffffffe}, 0x10) r3 = socket(0x1e, 0x4, 0x0) r4 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$packet_tx_ring(r3, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc, 0x0, 0x1}, 0x10) fchmodat(r4, &(0x7f0000000f80)='./file1\x00', 0x58) recvfrom(0xffffffffffffffff, &(0x7f0000000000)=""/247, 0xf7, 0x12142, 0x0, 0x0) syz_mount_image$ntfs(&(0x7f00000001c0)='ntfs\x00', &(0x7f0000000200)='./file0\x00', 0xbd8, 0x8, &(0x7f00000007c0)=[{&(0x7f0000000240)="6dbfadcc6d7345e897beeb7240c20a6df5c817fcffdbddd139ebe5c0613aadb71496333602621404dbc0a86c7e5ddf6640376a31eb65d9cdd2c7a7145143b49c917227c5ce96dff25df95f59a1fe801b0f9773f871247f73fe6283f4e6f37da49656f1595225d687d122fedfafeb0491d56507a60ee625596baef639a826c4883f65abf620ec3b952c4eb21478aaeb531fde4bca01937f387e736b0f38fda655eb", 0xa1}, {&(0x7f0000000300)="c8a968c0b177ffc589643cf75f3f28663fb78afd936d8c5f78ccd5de5068ddf0ea08f8213c6d1fbcb3702d5147e7ff7a6a6a95e7e8c3ee38215914270b617ed9a55fd6ef0ac1d1d898778e88ed48734713f90108e5ed7b903cfebce151b106f326a2e72c17b972df484cc5d1c90db3a29fba09b8703006f132ed0472f28d80ef8d29e6db4667b20d09869e62b7f9c8cb1ddf1348c376d6bc95bdd268e9e371d5db5925", 0xa3, 0x4}, {&(0x7f00000003c0)="11ab8ccac9e21f4fb0c5e986aa99a9aabc0d94713660afe1b80cec9b718ce2dc2e615340f063387f8bfb34a66390b2ce7da82b56945fef3a2d18bca5001d5c88aaef0f0b2cd11a1856c6f88915811be86cc5204d0810ee2e501006abbbdc4e856f8bc71cca6f6cc88dd1a311dcb45b724c1b144976bab13958577685012cd0d296e963cf13887ebd71b20f464fac74d75736f961941246faba1a95a41ac29a558ed7c0a9f0123e0153f9477fe34092", 0xaf, 0x2}, {&(0x7f0000000480)="e8945582a58f012174f0ac271bd3b9eadff36fa6e76d6595040365c6889cf6436648b1303afd6c6ffe092625a956ca0052d6ca7df931d9f2a69d9ca32ce24baf29401bcee3b5d4282a9325a4dbe174922f2b5d11649cf2e3a178126fbe77fa3d0ecbb60e9b382949b4079f73d40a934d1432e9cc9dcd4ed51f44f773619856a3046714403367b20443f6f305e8da16bc6e2dc201d42c0de8b5b9eefbd2b4dda10bc47711b6209987969d2b80dfbd92728783ec91d305ed9e3980e4dc60e51941a0f73dea8bb053fce14631d753c222309b141ce74f911eacc6b40f3842e084bc4e1eab0c24c6", 0xe6, 0x1f}, {&(0x7f0000000580), 0x0, 0xffffffff}, {&(0x7f00000005c0)="cea1c018865eb7becfb293dae86913abbe7ea8c9f742f6d09fd64c284be07f38fd8e80edbd81056b3c96", 0x2a, 0x80}, {&(0x7f0000000600)="52b7749318d084f5bed0b2461723c15ba820623a4db5b748d9f735a06d03f3aacb3e142b2c1a2bbef63c391cd6c9a24fb86691e2862c927b8555cd453e7b5664c2eac5d8408884addfad86bfc70c692f3ae6f4a3e6c697143da25bcfa8e43400e228cb95d619911e6e21472888f6de88c0d9b4c56ed1bd87924986e895a257e48d65ca9987", 0x85, 0x101}, {&(0x7f00000006c0)="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", 0xfa, 0x100000001}], 0x1, &(0x7f0000000f40)=ANY=[@ANYBLOB="6e6c957b00ed0a80000000b6d9fd25e3018000006d616363656e746575726f2c00"]) 2018/03/31 09:38:27 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40280}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd28, 0x25dfdbfd, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x11}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x20040004) 2018/03/31 09:38:27 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) unshare(0x40600) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:27 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:27 executing program 6: socketpair(0xa, 0xe, 0x7, &(0x7f0000000340)={0xffffffffffffffff}) r1 = open$dir(&(0x7f0000000140)='./file0/file0\x00', 0x0, 0x10000) r2 = open$dir(&(0x7f00000001c0)='./file0\x00', 0x1fffe, 0x0) lseek(r2, 0x0, 0x0) r3 = open$dir(&(0x7f0000000500)='./file0\x00', 0x2, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) write(r3, &(0x7f0000000300)="d88a8d38144e5013d473c0ac2ca61ff3b749a4", 0x13) preadv(r2, &(0x7f00000004c0)=[{&(0x7f0000000480)=""/52, 0x34}, {&(0x7f00000026c0)=""/4096, 0x1000}, {&(0x7f00000005c0)=""/141, 0x8d}], 0x3, 0x0) sendfile(r3, r3, &(0x7f0000000040), 0x7527fb3200000000) open_by_handle_at(r3, &(0x7f0000000200)=ANY=[@ANYBLOB="2b000000d400000800000000fe6634dc5624f89d89bfdbcf70000000a2a89d410b1a6f46c4cbd7b1399f0ba689e681e8c3acda680a40e30100412b2e0e03071f19a8f17efa41773125f60d83c363a31a072cf199f55bd5571d0077419850e57d30b7c6a11147b590fb413f63a6f8d2f7b8b4f331393c17d665b3db6f06d04f5d0446d10f3e928b34327fbc8093daa76ceb7ef093f89b165090430e25a505c2210b62c639a8d9684ec11700b9d9cc3b9a2da609e1f8de1e622e15"], 0x4000) read(r3, &(0x7f0000001580)=""/237, 0xed) ioctl$DRM_IOCTL_RES_CTX(r4, 0xc0106426, &(0x7f00000003c0)={0x4, &(0x7f0000000380)=[{}, {}, {}, {0x0}]}) ioctl$DRM_IOCTL_LOCK(r5, 0x4008642a, &(0x7f0000000540)={r6, 0x20}) ioctl$EVIOCSABS20(r0, 0x401845e0, &(0x7f0000000000)={0x600000000, 0x7, 0x6, 0x100000000, 0x4, 0x3}) sendfile(0xffffffffffffffff, r2, &(0x7f0000000080), 0x7e5e) lseek(r2, 0x0, 0x3) lseek(r1, 0x0, 0x1) syncfs(r2) sendfile(r3, r2, &(0x7f0000000180), 0x12000) geteuid() getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000780)={0x0, 0x30, &(0x7f0000000740)=[@in={0x2, 0x4e24, @multicast2=0xe0000002}, @in={0x2, 0x4e24, @rand_addr=0x8}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x18}}]}, &(0x7f00000007c0)=0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r5, 0x84, 0x72, &(0x7f0000000800)={r7, 0x1, 0x30}, 0xc) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r5, 0x84, 0x6, &(0x7f0000000680)={0x0, @in6={{0xa, 0x4e20, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x7}}}, &(0x7f0000000440)=0x84) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r5, 0x84, 0x4, &(0x7f0000000100)=0x9, 0x4) splice(0xffffffffffffffff, &(0x7f00000002c0), 0xffffffffffffffff, &(0x7f0000000400), 0x0, 0x8) sendfile(r3, r2, 0x0, 0x7fffffff) ftruncate(r3, 0x15e4) getsockopt$netrom_NETROM_T2(r4, 0x103, 0x2, &(0x7f0000000840)=0x7, &(0x7f0000000880)=0x4) open_by_handle_at(r1, &(0x7f00000036c0)=ANY=[@ANYBLOB="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"], 0x100) close(r0) 2018/03/31 09:38:27 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:27 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = getpgrp(0x0) fcntl$setownex(r0, 0xf, &(0x7f0000ec5000)={0x2, r1}) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000ecaffc)=0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={r0}) accept4$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000200)=0x14, 0x0) bind$can_raw(r3, &(0x7f0000000240)={0x1d, r4}, 0x10) setpriority(0x1, r2, 0x0) 2018/03/31 09:38:28 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:28 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) getpgrp(0x0) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:29 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00009a9000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$VHOST_SET_VRING_CALL(0xffffffffffffffff, 0x4008af21, &(0x7f0000000000)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x82, 0x204800) ioctl$KVM_CHECK_EXTENSION_VM(r3, 0xae03, 0x800) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r3, 0x111, 0x1, 0x5, 0x4) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000001000/0x18000)=nil, &(0x7f0000000200)=[@text32={0x20, &(0x7f0000000040)="0f060f20dac5330f2293660f3a448a0a0000000066baf80cb81686848aef66bafc0c66b8060066ef660f3837d836f40fc75ce12ec4c18c5eec", 0x39}], 0x1, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r4) 2018/03/31 09:38:29 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:29 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:29 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40280}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd28, 0x25dfdbfd, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x11}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}, @FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x3b}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x20040004) 2018/03/31 09:38:29 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) getpgrp(0x0) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:29 executing program 2: r0 = socket$can_bcm(0x1d, 0x2, 0x2) sendmsg$can_bcm(r0, &(0x7f0000000000)={&(0x7f0000004000)={0x1d}, 0x10, &(0x7f0000002ff0)={&(0x7f0000004fb8)={0x5, 0x0, 0x800000000000004, {}, {}, {0x0, 0x0, 0x0, 0x10000000000}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "b100"}}, 0x48}, 0x1}, 0x0) sendmsg$can_bcm(r0, &(0x7f00005e4000)={&(0x7f00002ccff0)={0x1d}, 0x10, &(0x7f0000728000)={&(0x7f00000aef80)=ANY=[@ANYBLOB="05000000000000000000000000000000", @ANYRES64=0x0, @ANYRES64=0x0, @ANYRES64=0x0, @ANYRES64=0x0, @ANYBLOB="00000000010000000000000000000000260503dd3e3c0a6afe3f7b377378f2e013e66ff1bf538a0f1abc5b8beb605be3d9448c99787c873249ed9c34e040a29606427925d8dd9065c240a288783179ce"], 0x80}, 0x1}, 0x0) sendmsg$can_bcm(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x1d}, 0x10, &(0x7f0000000140)={&(0x7f0000000280)={0x6, 0x0, 0x0, {0x0, 0x7530}, {}, {}, 0x1, @canfd={{0x3, 0x3, 0x3f, 0x40}, 0x33, 0x1, 0x0, 0x0, "62f7f99a755924fb6548b4cdcba54b35e550c0fe75817d8c2291d9e2f2640700c036eb86caa6a613854dd8849133bd9fc1d06e87b80a0875f627cf77b79b9cbc"}}, 0x80}, 0x1}, 0x0) utimes(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)={{0x77359400}}) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x4, 0x20000) ioctl$VHOST_SET_FEATURES(r1, 0x4008af00, &(0x7f00000001c0)=0x1000000) 2018/03/31 09:38:29 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:29 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000000040)=0xffffffff, 0x4) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x9, 0x10000) ioctl$DRM_IOCTL_WAIT_VBLANK(r1, 0xc018643a, &(0x7f0000000080)={0x0, 0x100, 0x1b}) sendto$inet(r0, &(0x7f0000000080), 0x0, 0x20020003, &(0x7f0000385ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f0000006b80)=[{{&(0x7f0000002f80)=@vsock={0x28, 0x0, 0x0, @my}, 0x80, &(0x7f0000003180), 0x0, &(0x7f00000031c0)}}, {{&(0x7f0000000100)=@vsock={0x28, 0x0, 0x0, @any=0xffffffff}, 0x80, &(0x7f0000005780), 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0800000000000000f8001a00000000"], 0x19b}}], 0x2, 0x0) 2018/03/31 09:38:29 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) getpgrp(0x0) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:29 executing program 6: r0 = socket(0x10, 0x2, 0xc) write(r0, &(0x7f0000a6b000)="1f0000000104ff00fd4354c007110000f305010008000100010423dcffdf00", 0x1f) write(r0, &(0x7f0000000080)="1f0000000104fffffd09000000110004f30501000b000200050423caf8be4fa89743c5744259a3a651b0f3e80000cf26172a9c0fcabcc402bf4ced2237a7f0a6c0a055089412ca66e5657d2d9e34a6f145e5c08a4a6fbb9b9acda00762a0cfbbc36761ce224e8a1c67d2af627182497b33ccb59300ae2f7fa088000000013a6ab68e2d5a69eeb8b8b167b9027d50b7076567a1774b2c3a", 0x15a) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0xa0080, 0x0) ioctl$GIO_SCRNMAP(r1, 0x4b40, &(0x7f0000000140)=""/164) 2018/03/31 09:38:29 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000023000)={&(0x7f0000024000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c00000028fffe0a0000000000000000010000000800000000000000"], 0x1c}, 0x1}, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x4001, 0x0) ioctl$ASHMEM_GET_PIN_STATUS(r1, 0x7709, 0x0) 2018/03/31 09:38:29 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:29 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) [ 60.802159] netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. 2018/03/31 09:38:29 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:29 executing program 2: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x100, 0x0) r1 = mmap$binder(&(0x7f0000003000/0x4000)=nil, 0x4000, 0xc, 0x10, 0xffffffffffffff9c, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000500)={0x90, 0x0, &(0x7f00000003c0)=[@transaction={0x40406300, {0x1, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x0, 0x30, &(0x7f0000000100), &(0x7f0000000140)=[0x0, 0x20, 0x93c675266ea50a0b, 0x28, 0x30, 0x0]}}, @reply={0x40406301, {0x4, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x18, 0x48, &(0x7f0000000180)=[@flat={0x77622a85, 0xa, r1}], &(0x7f0000000340)=[0x38, 0x28, 0x60, 0x38, 0x40, 0x38, 0x48, 0x68, 0x40]}}, @release={0x40046306, 0x3}], 0x5d, 0x0, &(0x7f0000000480)="44acb1797910e54240c5b3f675428050b9f120349cc61f6967413aee1d00d7e294a63d732d99e03e8823fb204f9aa84c1cb47e6a9088688c0eaffdf99c71d5f5f50e246431b0d6df6142a7425cabfd2e23aa3517165bffb79164560e0a"}) mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0xfffffffffffffffe, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000540)="0064ae761deecd00edff0341") inotify_init1(0x80000) getdents64(r2, &(0x7f00000002c0)=""/66, 0x146) getdents(r2, &(0x7f00000001c0)=""/249, 0xf9) bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xe, 0x1, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x101}, 0x2c) getdents64(r2, &(0x7f0000000080)=""/105, 0x69) getdents64(r2, &(0x7f0000000df0)=""/528, 0x7f355eb8) 2018/03/31 09:38:29 executing program 4: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x2) unshare(0x20020000) mknod$loop(&(0x7f0000211000)='./file0\x00', 0x0, 0xffffffffffffffff) getsockname$packet(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000280)=0x14) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000000c0)={0x0, @in={{0x2, 0x4e21, @broadcast=0xffffffff}}, 0xfffffffffffffff7, 0x7fffffff}, &(0x7f0000000180)=0x90) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r2, 0x40}, &(0x7f0000000200)=0x8) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000003c0)={{{@in=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000004c0)={{{@in6, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4e24, 0x2, 0x4e24, 0xfffffffffffffff9, 0x2, 0xa0, 0xa0, 0x2f, r1, r3}, {0x3, 0xacc, 0x1ff, 0x101, 0x87, 0x4, 0xffffffff7fffffff, 0x10001}, {0x8001, 0x2, 0x8, 0x377}, 0x3, 0x6e6bb5, 0x2, 0x0, 0x2, 0x3}, {{@in6=@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x4d4, 0xff}, 0xa, @in, 0x3502, 0x3, 0x1, 0x2, 0x4, 0x343, 0xf62}}, 0xe8) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000027000)='./file0\x00', &(0x7f0000000080)='Qamfs\x00', 0x105403, &(0x7f000000a000)) poll(&(0x7f0000cf4000), 0x0, 0x7f) setsockopt$RDS_CONG_MONITOR(r0, 0x114, 0x6, &(0x7f00000005c0)=0x1, 0x4) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000640)={r2, @in={{0x2, 0x4e21, @loopback=0x7f000001}}, 0x3, 0x8001, 0x200, 0x7, 0x10}, &(0x7f0000000700)=0x98) unlink(&(0x7f0000933ff8)='./file0\x00') write$sndseq(r0, &(0x7f0000000380)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @ext={0x0, &(0x7f0000000280)}}], 0x30) readv(r0, &(0x7f0000000300)=[{&(0x7f0000001480)=""/176, 0xb0}], 0x1) setsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000040)=@int=0x2, 0x4) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000340)=0xf8e, 0x4) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000600)=0x80000001) [ 60.860401] netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. 2018/03/31 09:38:29 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:30 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:30 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:30 executing program 2: r0 = shmget(0x2, 0x4000, 0x4, &(0x7f0000ffa000/0x4000)=nil) shmctl$SHM_INFO(r0, 0xe, &(0x7f0000001ac0)=""/147) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x0, 0x200000) bind$ipx(r1, &(0x7f0000000100)={0x4, 0x52d, 0x6, "4fe1459f3c33", 0x7}, 0x10) r2 = socket(0x40000000015, 0x805, 0x0) bind$inet(r2, &(0x7f00000a9000)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) getsockopt$inet_sctp6_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000001980), &(0x7f00000019c0)=0x8) r3 = syz_open_dev$dmmidi(&(0x7f0000000140)='/dev/dmmidi#\x00', 0x6, 0x210001) ioctl$KVM_PPC_GET_SMMU_INFO(r3, 0x8250aea6, &(0x7f0000001180)=""/31) syz_genetlink_get_family_id$ipvs(&(0x7f0000001300)='IPVS\x00') perf_event_open(&(0x7f000001d000)={0x200000002, 0x78, 0xc568, 0x100000001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000001840)={r1, &(0x7f0000001640)="1b2e3e63cfdb2e1b969828fe28f256efa06c857ff80c1b2900e71caaf966f1a162009d310be17bd8cb0a443524b7e5d4dafffc6ccd9daa6240208c512787091bf2aac6b74924a25848d205d899fb32e20766e330588f320943f06b3f32f2137c438bab5df0df317e41ad552cff32c6c9ba857762170342c88e1d0476edab87e03ddd2636217cc48c6cc125599c069d8371b40320fef361bb6f578633706b8e19151487727abb5acc2f1acfcfdf59e27147b76ae5e87e9dc4d11e5336b0cf76a4148a65a4a0cee7eb4bc15d1422ac9f1c4e8f657496a5eb17e0cce174677ecf", &(0x7f0000001740)=""/229}, 0x18) getpeername$netlink(r3, &(0x7f0000001400), &(0x7f0000001440)=0xc) r4 = request_key(&(0x7f0000001500)='id_resolver\x00', &(0x7f0000001540)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000001580)='\x00', 0xfffffffffffffffe) r5 = request_key(&(0x7f00000015c0)='big_key\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000001600)='vboxnet0%8wlan1vmnet0#cpuseteth0]]$\x00', r4) keyctl$instantiate_iov(0x14, 0x0, &(0x7f0000000480), 0x0, r5) ioctl$VHOST_SET_VRING_KICK(r3, 0x4008af20, &(0x7f00000014c0)={0x3, r3}) getsockname(r1, &(0x7f0000001880)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, &(0x7f0000001480)=0x80) getsockopt$inet_sctp6_SCTP_EVENTS(r6, 0x84, 0xb, &(0x7f0000001900), &(0x7f0000001940)=0xb) sendto$inet(r2, &(0x7f00000000c0)="bf", 0x1, 0x0, &(0x7f0000b2d000)={0x2, 0x4e20, @rand_addr=0x7}, 0x10) ioctl$KVM_SET_SREGS(r3, 0x4138ae84, &(0x7f00000011c0)={{0x0, 0x4000, 0xe, 0x80000000, 0x101, 0x6, 0xc56, 0xfffffffffffffffd, 0x8, 0x10000, 0x7, 0x5}, {0x3000, 0x1, 0xb, 0x400, 0xfff, 0x80000001, 0xeb, 0x5, 0x5, 0x3, 0x7}, {0x5000, 0x4000, 0xf, 0x1, 0x0, 0x3, 0x354, 0xff, 0x1, 0x3f, 0x8, 0x8001}, {0x7004, 0x2, 0x8, 0xd447, 0x3a, 0x4, 0x5, 0x9, 0x8001, 0x9, 0x2, 0x9}, {0x100002, 0x1000, 0xf, 0x2, 0xd97a, 0x9, 0x4, 0x9, 0xfff, 0x3f, 0x7}, {0x107007, 0x5004, 0xe, 0x4, 0x6, 0xcb, 0x3, 0x7, 0x2, 0xf38, 0xffffffffffffffff, 0xad04}, {0x0, 0x4, 0xb, 0xff, 0x4, 0x6, 0x4, 0x20, 0x1, 0x800, 0xfffffffffffff1f1, 0x80000001}, {0x0, 0x0, 0x0, 0x478f9f0e, 0xfffffffffffffffe, 0x101, 0xf54, 0x7fff, 0xaa9, 0x9, 0x3, 0x1}, {0x10000, 0x4}, {0x7001, 0x4}, 0x80040030, 0x0, 0x3000, 0x8, 0x8, 0x4500, 0x7002, [0xedfe, 0x2, 0x0, 0xfff]}) read(r2, &(0x7f0000000180)=""/4096, 0x1000) epoll_pwait(r3, &(0x7f0000001340)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x9, 0x800, &(0x7f00000013c0)={0x9}, 0x8) 2018/03/31 09:38:30 executing program 4: r0 = signalfd4(0xffffffffffffffff, &(0x7f0000fe9000), 0x8, 0x0) r1 = perf_event_open(&(0x7f0000223000)={0x2, 0x70, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x6) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc\x00', 0x1052c3, 0x0) ioctl$DRM_IOCTL_AGP_RELEASE(r2, 0x6431) unshare(0x400) signalfd4(r0, &(0x7f0000000040), 0x8, 0x800) 2018/03/31 09:38:30 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') 2018/03/31 09:38:30 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:30 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x200, 0x0) recvfrom(r0, &(0x7f0000000180)=""/39, 0x27, 0x40000020, &(0x7f00000001c0)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x0, 0x4, 0x4}}, 0x80) mkdir(&(0x7f0000efa000)='./file0\x00', 0x0) dup(r0) perf_event_open(&(0x7f0000d2af88)={0x2, 0x78, 0xe2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000080)=0x40, 0x4) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000880)={0x0, 0x0, 0x0}, &(0x7f00000008c0)=0xc) syz_fuse_mount(&(0x7f00000007c0)='./file0\x00', 0xe000, 0x0, r2, 0x3f, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup.net/syz0\x00', 0x200002, 0x0) 2018/03/31 09:38:30 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:30 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:30 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:30 executing program 2: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:30 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000736000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f000074d000)={0x81, 0x0, [0x3]}) ustat(0x6, &(0x7f0000000000)) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f0000000080)=ANY=[@ANYBLOB="0100000000000000000000000200000000000000000000000000000000000000000006000000000000000000000000000000002cdd9f51fa828fc5f7e50000000000"]) 2018/03/31 09:38:30 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000440), 0x4) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:30 executing program 6: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xd5f, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000cccf88)={0x2, 0x3db, 0xe12}, 0x0, 0x0, 0xffffffffffffffff, 0x0) close(r0) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x1, 0x200) ioctl$EVIOCGSW(r1, 0x8040451b, &(0x7f0000000080)=""/132) 2018/03/31 09:38:30 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = getpgrp(0x0) sched_setaffinity(r6, 0x8, &(0x7f0000c35000)=0x1) pwritev(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(0xffffffffffffffff, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:30 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:31 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:31 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = getpgrp(0x0) sched_setaffinity(r6, 0x8, &(0x7f0000c35000)=0x1) pwritev(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(0xffffffffffffffff, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:31 executing program 4: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200000, 0x2) name_to_handle_at(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=ANY=[@ANYBLOB="f0000000ff0f0000c463dc0b683765278c69bdf0225ccf8761623e01dde7341add6d2db3cc41281a7a0142d577849b95565ace45025ce7ed1fac81020834cf6b5cdb8ed857bafcccfc46d28623366b49c92186b74a625a1ba76fef529d412c9c9626e1c3754b6de3bcc9edaccdc7a9ac5aa858274fccad0827564c21111050ec3be0448621f4c2df358b40db8fc9dd18aafcae1b6055aa40b6b6356c60ef9c781662f1df09a63c40265b9bef85628710dc443a8bfd79202f03d6c72bca3f4764569b72ce56cada14e867bd54d8a79cf3cc5a12c74f28f856d9d373898030c610e12cc2051872a8e888553ff13c05b847"], &(0x7f0000000180), 0x1000) getpid() r1 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x2000, 0x0) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000200)=0x3, 0x4) ioctl$void(r1, 0x5450) setsockopt$ax25_int(r1, 0x101, 0xf, &(0x7f0000000240)=0x8, 0x4) ioctl$sock_netrom_TIOCOUTQ(r1, 0x5411, &(0x7f0000000280)) ioctl$sock_inet_SIOCGIFBRDADDR(r1, 0x8919, &(0x7f00000002c0)={'teql0\x00', {0x2, 0x4e23, @broadcast=0xffffffff}}) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000000300)=[@in6={0xa, 0x4e23, 0x2, @empty, 0x100}, @in6={0xa, 0x4e23, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0x49}, @in={0x2, 0x4e21}, @in={0x2, 0x4e20, @rand_addr=0x401}], 0x58) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000380)={{&(0x7f0000ffc000/0x1000)=nil, 0x1000}, 0x1}) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000400)={&(0x7f00000003c0)='./file0\x00', r1}, 0x10) ioctl$EVIOCRMFF(r1, 0x40044581, &(0x7f0000000440)=0x7) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000480)={0x0, 0x3}, &(0x7f00000004c0)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000500)={r2, 0x1, 0x0, 0x9}, &(0x7f0000000540)=0x10) ioctl$TIOCNOTTY(r1, 0x5422) setsockopt$inet_tcp_int(r1, 0x6, 0x1b, &(0x7f0000000580)=0x63, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f00000048c0)={{{@in=@multicast1, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@mcast2}}, &(0x7f00000049c0)=0xe8) bind$packet(r1, &(0x7f0000004a00)={0x11, 0x8, r3, 0x1, 0x800, 0x6}, 0x14) ioctl(r1, 0x7, &(0x7f0000004a40)="0e85931fe17702828f21c4406297998b4768d5605550bad3056f82284a473c935f97d341a9aa6dd411703b22bbef8b337a84") r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000004ac0)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r1, &(0x7f0000004c00)={&(0x7f0000004a80)={0x10, 0x0, 0x0, 0x4000008}, 0xc, &(0x7f0000004bc0)={&(0x7f0000004b00)={0xac, r4, 0x700, 0x70bd27, 0x25dfdbff, {0x10}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffffffffffe185}, @IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x6858}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}]}, @IPVS_CMD_ATTR_DEST={0x28, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}]}, @IPVS_CMD_ATTR_DAEMON={0x4c, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x8}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'teql0\x00'}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ifb0\x00'}]}]}, 0xac}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) preadv(r0, &(0x7f0000004f40)=[{&(0x7f0000004c40)=""/151, 0x97}, {&(0x7f0000004d00)=""/20, 0x14}, {&(0x7f0000004d40)=""/246, 0xf6}, {&(0x7f0000004e40)=""/159, 0x9f}, {&(0x7f0000004f00)}], 0x5, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000004fc0)=@sack_info={r2, 0x800, 0x3}, &(0x7f0000005000)=0xc) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000005040)={{&(0x7f0000ffb000/0x2000)=nil, 0x2000}, 0x57d6c2ddd2e87fdc}) getsockname$unix(r1, &(0x7f0000005080), &(0x7f0000005100)=0x6e) getegid() getgroups(0x9, &(0x7f0000005140)=[0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff]) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000005180)={r5, 0x3f}, 0x8) 2018/03/31 09:38:31 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) socket$packet(0x11, 0x3, 0x300) openat$audio(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio\x00', 0x200000, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r0, 0xc01064b5, &(0x7f0000000200)={&(0x7f00000001c0)=[0x0, 0x0, 0x0], 0x3}) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/packet\x00') ioctl$int_in(r0, 0x5452, &(0x7f0000000040)=0x4) readv(r1, &(0x7f00000002c0)=[{&(0x7f00000000c0)=""/144, 0x65}, {&(0x7f0000000300)=""/199, 0xc7}], 0x10000000000000a3) r2 = syz_init_net_socket$nfc_raw(0x27, 0x1, 0x0) getsockopt$inet6_dccp_buf(r2, 0x21, 0xc, &(0x7f0000000400)=""/137, &(0x7f0000000240)=0x89) io_setup(0x7, &(0x7f0000000180)=0x0) io_destroy(r3) 2018/03/31 09:38:31 executing program 7: r0 = memfd_create(&(0x7f0000000140)='dev ', 0x0) write(r0, &(0x7f0000000180)="16f91220a8c7a61a85492a000000000000000000000000", 0x17) sendfile(r0, r0, &(0x7f0000001000), 0xffff) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) r1 = shmget(0x0, 0x3000, 0x0, &(0x7f0000002000/0x3000)=nil) shmctl$SHM_LOCK(r1, 0xb) timerfd_settime(r0, 0x0, &(0x7f0000000280)={{0x77359400}}, &(0x7f00000002c0)) timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000200), &(0x7f0000000240)) 2018/03/31 09:38:31 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) unlink(&(0x7f0000000580)='./file0\x00') ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:31 executing program 2: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:31 executing program 5: r0 = signalfd(0xffffffffffffffff, &(0x7f0000e7d000), 0x8) read(r0, &(0x7f000062f000)=""/179, 0xb3) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffff9c, 0xae41, 0x1) ioctl$KVM_GET_MSRS(r1, 0xc008ae88, &(0x7f0000000000)={0x5, 0x0, [{}, {}, {}, {}, {}]}) signalfd(r0, &(0x7f0000b9fff8), 0x8) 2018/03/31 09:38:31 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) close(r3) r6 = getpgrp(0x0) sched_setaffinity(r6, 0x8, &(0x7f0000c35000)=0x1) pwritev(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(0xffffffffffffffff, 0x111, 0x4, 0x0, 0x4) close(r2) 2018/03/31 09:38:31 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) remap_file_pages(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x2, 0x0) symlink(&(0x7f0000001300)='./bus\x00', &(0x7f0000001480)='./file1\x00') mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000032e000)) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ioctl$void(r0, 0xc0045878) pwritev(0xffffffffffffffff, &(0x7f0000001580), 0x0, 0x0) r1 = bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000001240), 0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r1) ftruncate(r0, 0x8000) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000001340), &(0x7f0000001380)=0x4) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2000000000800002, 0x11, r2, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000080)={0x0, 0xffffffffffffffff, 0xffffffffffffffc0, 0x200, 0x0, 0x2}, &(0x7f0000000100)=0x14) read(r0, &(0x7f0000000240)=""/4096, 0x1000) r4 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$sock_inet_SIOCADDRT(r4, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e23, @loopback=0x7f000001}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14}}, 0x0, 0x0, 0x0, 0x0, 0x8000, &(0x7f0000000000)='syzkaller1\x00', 0x8001, 0x0, 0x81}) epoll_wait(r4, &(0x7f0000000200)=[{}, {}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000015c0)=ANY=[@ANYRES32=r3, @ANYBLOB="96000000b445a7d9d12a8cd77407b634e24270b13018f6dce2846c14724f941a72ae1245c4d376c05a2d96e6b4735ad26efbc11b2d3047bd5d91d5820ebb01541b22d0347735a09ca94600920700000076de69b54c791f4e5385747ac5f322a051915d018024b22aa3e0d36a7ad2b0878bbbff6fcb093e69080d713dbfa00e1c595873b7100e9aa85a2486f753a9cdf9012dba2bd1f75f3fb370924371a0bf16fd4a813bc83640dfedaecde4a500"], &(0x7f00000012c0)=0x2) fcntl$setstatus(r4, 0x4, 0x6000) pread64(r4, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r5 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000680)='dns_resolver\x00', &(0x7f0000000700)={0x73, 0x79, 0x7a}, &(0x7f00000006c0)="7b2d23776c616e3076626f786e657431766d6e657430142400", r5) ioctl$TIOCGSID(r4, 0x5429, &(0x7f0000000500)) request_key(&(0x7f00000000c0)='ceph\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='vboxnet1\x00', 0x0) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000001280)=0x7, 0x4) add_key$user(&(0x7f0000000280)='user\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000300)="3dde79763ec09bbf6917ffd1e8c401c99e25f23f4979b631bf4aa314195f066c86763061ba5fe74f345a408ba4c56bba2ac4f64642a19a81f72b1d3fb74e5d348e1ebba568683ff0239d512690e15513090485647b5e6cf3c325e2617b08d0977acc58881ccab2dee3754f484a36de5d157e161b881b08", 0x77, 0x0) 2018/03/31 09:38:31 executing program 4: r0 = eventfd(0x0) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0, 0x811, r0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000276000)={0x26, 'hash\x00', 0x0, 0x0, 'sha1-generic\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x8000, 0x0) ioctl$KVM_CREATE_DEVICE(r3, 0xc00caee0, &(0x7f0000000040)={0x1, r1, 0x1}) r5 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000a9eff8)='./file0\x00', &(0x7f0000000200)='ramfs\x00', 0x0, &(0x7f000000a000)) r6 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000001}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x2, &(0x7f0000000480)) clock_nanosleep(0x9, 0x1, &(0x7f0000000340)={0x77359400}, 0x0) seccomp(0x1, 0x0, &(0x7f0000044ff0)={0x1, &(0x7f0000000000)=[{0x6}]}) r7 = openat$autofs(0xffffffffffffff9c, &(0x7f00000007c0)='/dev/autofs\x00', 0x0, 0x0) setsockopt$bt_BT_RCVMTU(r7, 0x112, 0xd, &(0x7f0000000800), 0x2) ioctl$KVM_TRANSLATE(r7, 0xc018ae85, &(0x7f00000001c0)={0x1, 0xd000, 0xffffffffffffff00, 0x6, 0x80000003}) request_key(&(0x7f0000000040)='rxrpc_s\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, &(0x7f00000000c0)='ramfs\x00', 0xfffffffffffffffb) keyctl$get_keyring_id(0x0, 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x66d7e21d}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r8 = accept$inet6(r4, &(0x7f0000000580)={0x0, 0x0, 0x0, @loopback}, &(0x7f00000005c0)=0x1c) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(0xffffffffffffff9c, 0x84, 0x6, &(0x7f0000000600)={0x0, @in={{0x2, 0x4e24, @rand_addr=0x4}}}, &(0x7f00000006c0)=0x45) accept(0xffffffffffffffff, &(0x7f0000000040)=@pptp={0x0, 0x0, {0x0, @dev}}, &(0x7f0000000080)=0x20) r9 = epoll_create(0x20) sendmsg$netrom(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000140)=@full={{0x3, {"292bc180add6fe"}}, [{"5696d14432e418"}, {"2d6fe9394f8e28"}, {"808fec477d9984"}, {"1ca7708ef88c1c"}, {"274398f0afc787"}, {"1f423034e62316"}, {"f6cd4a9bd4cdaf"}, {"2461b7ed59eb64"}]}, 0x48, &(0x7f0000000380), 0x0, 0x0, 0x0, 0x4001}, 0x10) getsockopt$inet6_dccp_buf(r8, 0x21, 0x86, &(0x7f0000000240)=""/127, &(0x7f00000002c0)=0x7f) fcntl$notify(r9, 0x0, 0x284) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000500)={0x0, 0x704, 0x7f, 0xb25b}, &(0x7f0000000540)=0x10) fallocate(r5, 0x0, 0x0, 0x73e0) sendfile(r2, r5, &(0x7f0000e64ff8), 0x8e18) sendfile(r6, r9, &(0x7f0000000300), 0x2b) 2018/03/31 09:38:31 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000480)='/dev/snd/seq\x00', 0x0, 0x0) sendto$ipx(0xffffffffffffffff, &(0x7f0000000300), 0x0, 0x0, 0x0, 0x0) accept$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x80000000}) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(r0, 0x40bc5311, &(0x7f0000000080)={0x5, 0x1, 'client1\x00', 0x0, "e4ded3c869254bdb", "1b4d8889ef17d98b236473ade5e1e14fd1c1d4bf2239ca18a9e2c24db142fbeb", 0x8, 0x7}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000003c0)={0x29}) ioctl$sock_ipx_SIOCIPXCFGDATA(0xffffffffffffffff, 0x89e2, &(0x7f0000000380)) r1 = syz_open_dev$audion(&(0x7f0000000140)='/dev/audio#\x00', 0x20, 0x450101) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 2018/03/31 09:38:31 executing program 6: syz_mount_image$reiserfs(&(0x7f00000000c0)='reiserfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000002440), 0x18000, &(0x7f0000000000)=ANY=[@ANYBLOB="726573697a653d33002c0081c0d29e6e4a679c74b4a1d4719b39b78a4bef561daed218a084ad14a92c70b1ec8ea201df44e7c449bdf4403b02c219a9e7783cefca772c6a49b5f9e63375f1bc55b7794b4abd2e78595bf73e6516b9219a0aeaa0deef6540b862f408b540e2375ffcd3108876c96a0994cd1017d21dff401293f4ee27c6941fd67a6c760e115f63890460c6d9fc14c10ed1586e58261e"]) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x100, 0x20) getresuid(&(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240)=0x0) sendmsg$nl_generic(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x11, 0x0, 0x70bd2d, 0x25dfdbff, {0x18}, [@typed={0x8, 0x5e, @uid=r1}]}, 0x1c}, 0x1}, 0x40000) syz_open_dev$sndpcmp(&(0x7f0000000340)='/dev/snd/pcmC#D#p\x00', 0x5, 0x101200) 2018/03/31 09:38:31 executing program 3: r0 = open(&(0x7f0000000140)='./file0\x00', 0x101000, 0x10) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x3, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000001c0)={0x200, r1, 0x10002, 0x4}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) r3 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000013000/0x1000)=nil, 0x1000}, 0x1}) r4 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0xa5, 0x2000) getsockopt$inet_mtu(r4, 0x0, 0xa, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r5 = gettid() ptrace$setopts(0xffffffffffffffff, r5, 0x8001, 0x30) r6 = memfd_create(&(0x7f0000a98000)='y#\x00W', 0x0) r7 = getpgrp(0x0) sched_setaffinity(r7, 0x8, &(0x7f0000c35000)=0x1) pwritev(r6, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fremovexattr(r3, &(0x7f00002a8000)=@known='system.posix_acl_default\x00') write(r3, &(0x7f000014d000), 0x0) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r6, 0x111, 0x4, 0x0, 0x4) close(r2) [ 62.838555] ODEBUG: object is on stack, but not annotated [ 62.845321] WARNING: CPU: 1 PID: 6419 at lib/debugobjects.c:328 __debug_object_init+0x60a/0x1040 [ 62.854242] Kernel panic - not syncing: panic_on_warn set ... [ 62.854242] [ 62.861604] CPU: 1 PID: 6419 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #8 [ 62.868683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.878014] Call Trace: [ 62.880586] dump_stack+0x194/0x24d [ 62.884192] ? arch_local_irq_restore+0x53/0x53 [ 62.888841] ? vsnprintf+0x1ed/0x1900 [ 62.892622] panic+0x1e4/0x41c [ 62.895797] ? refcount_error_report+0x214/0x214 [ 62.900532] ? show_regs_print_info+0x18/0x18 [ 62.905005] ? __warn+0x1c1/0x200 [ 62.908444] ? __debug_object_init+0x60a/0x1040 [ 62.913088] __warn+0x1dc/0x200 [ 62.916343] ? __debug_object_init+0x60a/0x1040 [ 62.920987] report_bug+0x1f4/0x2b0 [ 62.924596] fixup_bug.part.10+0x37/0x80 [ 62.928630] do_error_trap+0x2d7/0x3e0 [ 62.932495] ? math_error+0x400/0x400 [ 62.936270] ? find_held_lock+0x35/0x1d0 [ 62.940308] ? __debug_object_init+0x55d/0x1040 [ 62.944955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.949777] do_invalid_op+0x1b/0x20 [ 62.953463] invalid_op+0x1b/0x40 [ 62.956892] RIP: 0010:__debug_object_init+0x60a/0x1040 [ 62.962138] RSP: 0018:ffff8801a94cf968 EFLAGS: 00010082 [ 62.967477] RAX: 000000000000002d RBX: 0000000000000001 RCX: 0000000000000000 [ 62.974720] RDX: 000000000000002d RSI: ffffc90005abe000 RDI: ffffed0035299f21 [ 62.981962] RBP: ffff8801a94cfb40 R08: 0000000000000000 R09: 1ffff10035299e89 [ 62.989203] R10: ffff8801a94cf820 R11: ffffffff88583158 R12: ffff8801a9142380 [ 62.996446] R13: ffff8801a94cfca0 R14: ffff8801d799a930 R15: ffff8801d799a940 [ 63.003700] ? __debug_object_init+0x5cc/0x1040 [ 63.008341] ? perf_trace_lock+0x900/0x900 [ 63.012553] ? debug_object_fixup+0x30/0x30 [ 63.016847] ? perf_trace_lock+0x900/0x900 [ 63.021056] ? task_sched_runtime+0x1e4/0x3d0 [ 63.025528] ? trace_hardirqs_off+0x10/0x10 [ 63.029826] ? find_held_lock+0x35/0x1d0 [ 63.033866] ? alarmtimer_get_rtcdev+0x2c/0x40 [ 63.038426] ? lock_downgrade+0x980/0x980 [ 63.042555] debug_object_init+0x17/0x20 [ 63.046590] hrtimer_init+0x8c/0x410 [ 63.050280] ? hrtimer_init_on_stack+0x40/0x40 [ 63.054835] ? do_raw_spin_trylock+0x190/0x190 [ 63.059393] ? security_capable+0x8e/0xc0 [ 63.063517] ? ns_capable_common+0xcf/0x160 [ 63.067813] alarm_timer_nsleep+0x164/0x4d0 [ 63.072109] ? alarmtimer_do_nsleep+0x600/0x600 [ 63.076754] ? get_timespec64+0x104/0x170 [ 63.080874] ? timespec_trunc+0xe0/0xe0 [ 63.084824] ? SyS_futex+0x269/0x390 [ 63.088526] SyS_clock_nanosleep+0x235/0x330 [ 63.092911] ? compat_SyS_clock_getres+0x160/0x160 [ 63.097812] ? trace_hardirqs_on+0xd/0x10 [ 63.101937] ? do_syscall_64+0xb7/0x940 [ 63.105889] ? compat_SyS_clock_getres+0x160/0x160 [ 63.110793] do_syscall_64+0x281/0x940 [ 63.114655] ? vmalloc_sync_all+0x30/0x30 [ 63.118777] ? _raw_spin_unlock_irq+0x27/0x70 [ 63.123251] ? finish_task_switch+0x1c1/0x7e0 [ 63.127722] ? syscall_return_slowpath+0x550/0x550 [ 63.132624] ? syscall_return_slowpath+0x2ac/0x550 [ 63.137530] ? prepare_exit_to_usermode+0x350/0x350 [ 63.142524] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 63.147864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.152683] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.157845] RIP: 0033:0x454e79 [ 63.161012] RSP: 002b:00007f061a5ccc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 63.168699] RAX: ffffffffffffffda RBX: 00007f061a5cd6d4 RCX: 0000000000454e79 [ 63.175944] RDX: 0000000020000340 RSI: 0000000000000001 RDI: 0000000000000009 [ 63.183187] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 63.190429] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 63.197674] R13: 000000000000004f R14: 00000000006f2808 R15: 0000000000000000 [ 63.204930] [ 63.204932] ====================================================== [ 63.204935] WARNING: possible circular locking dependency detected [ 63.204937] 4.16.0-rc7+ #8 Not tainted [ 63.204939] ------------------------------------------------------ [ 63.204941] syz-executor4/6419 is trying to acquire lock: [ 63.204942] ((console_sem).lock){-.-.}, at: [<00000000047a7c9e>] down_trylock+0x13/0x70 [ 63.204949] [ 63.204951] but task is already holding lock: [ 63.204952] (&obj_hash[i].lock){-.-.}, at: [<0000000078b15dfc>] __debug_object_init+0x109/0x1040 [ 63.204958] [ 63.204960] which lock already depends on the new lock. [ 63.204962] [ 63.204963] [ 63.204965] the existing dependency chain (in reverse order) is: [ 63.204966] [ 63.204967] -> #3 (&obj_hash[i].lock){-.-.}: [ 63.204974] _raw_spin_lock_irqsave+0x96/0xc0 [ 63.204976] __debug_object_init+0x109/0x1040 [ 63.204978] debug_object_init+0x17/0x20 [ 63.204980] hrtimer_init+0x8c/0x410 [ 63.204982] init_dl_task_timer+0x1b/0x50 [ 63.204984] __sched_fork+0x2bb/0xb60 [ 63.204986] init_idle+0x75/0x820 [ 63.204987] sched_init+0xb19/0xc43 [ 63.204989] start_kernel+0x452/0x819 [ 63.204991] x86_64_start_reservations+0x2a/0x2c [ 63.204993] x86_64_start_kernel+0x77/0x7a [ 63.204995] secondary_startup_64+0xa5/0xb0 [ 63.205000] [ 63.205002] -> #2 (&rq->lock){-.-.}: [ 63.205010] _raw_spin_lock+0x2a/0x40 [ 63.205013] task_fork_fair+0x7a/0x690 [ 63.205015] sched_fork+0x450/0xc10 [ 63.205018] copy_process.part.38+0x17c9/0x4bd0 [ 63.205021] _do_fork+0x1f7/0xf70 [ 63.205023] kernel_thread+0x34/0x40 [ 63.205024] rest_init+0x22/0xf0 [ 63.205026] start_kernel+0x7f1/0x819 [ 63.205028] x86_64_start_reservations+0x2a/0x2c [ 63.205030] x86_64_start_kernel+0x77/0x7a [ 63.205032] secondary_startup_64+0xa5/0xb0 [ 63.205033] [ 63.205035] -> #1 (&p->pi_lock){-.-.}: [ 63.205041] _raw_spin_lock_irqsave+0x96/0xc0 [ 63.205043] try_to_wake_up+0xbc/0x15f0 [ 63.205045] wake_up_process+0x10/0x20 [ 63.205047] __up.isra.0+0x1cc/0x2c0 [ 63.205048] up+0x13b/0x1d0 [ 63.205050] __up_console_sem+0xb2/0x1a0 [ 63.205052] console_unlock+0x5af/0xfb0 [ 63.205054] do_con_write+0x106e/0x1f70 [ 63.205056] con_write+0x25/0xb0 [ 63.205058] n_tty_write+0x5ef/0xec0 [ 63.205059] tty_write+0x3fa/0x840 [ 63.205061] __vfs_write+0xef/0x970 [ 63.205063] vfs_write+0x189/0x510 [ 63.205065] SyS_write+0xef/0x220 [ 63.205066] do_syscall_64+0x281/0x940 [ 63.205069] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.205070] [ 63.205071] -> #0 ((console_sem).lock){-.-.}: [ 63.205078] lock_acquire+0x1d5/0x580 [ 63.205080] _raw_spin_lock_irqsave+0x96/0xc0 [ 63.205081] down_trylock+0x13/0x70 [ 63.205084] __down_trylock_console_sem+0xa2/0x1e0 [ 63.205085] console_trylock+0x15/0x70 [ 63.205087] vprintk_emit+0x5b5/0xb90 [ 63.205089] vprintk_default+0x28/0x30 [ 63.205091] vprintk_func+0x57/0xc0 [ 63.205093] printk+0xaa/0xca [ 63.205095] __debug_object_init+0x5cc/0x1040 [ 63.205096] debug_object_init+0x17/0x20 [ 63.205098] hrtimer_init+0x8c/0x410 [ 63.205100] alarm_timer_nsleep+0x164/0x4d0 [ 63.205102] SyS_clock_nanosleep+0x235/0x330 [ 63.205104] do_syscall_64+0x281/0x940 [ 63.205106] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.205107] [ 63.205109] other info that might help us debug this: [ 63.205110] [ 63.205112] Chain exists of: [ 63.205113] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 63.205122] [ 63.205124] Possible unsafe locking scenario: [ 63.205125] [ 63.205127] CPU0 CPU1 [ 63.205129] ---- ---- [ 63.205130] lock(&obj_hash[i].lock); [ 63.205134] lock(&rq->lock); [ 63.205139] lock(&obj_hash[i].lock); [ 63.205142] lock((console_sem).lock); [ 63.205146] [ 63.205148] *** DEADLOCK *** [ 63.205149] [ 63.205151] 1 lock held by syz-executor4/6419: [ 63.205152] #0: (&obj_hash[i].lock){-.-.}, at: [<0000000078b15dfc>] __debug_object_init+0x109/0x1040 [ 63.205159] [ 63.205161] stack backtrace: [ 63.205164] CPU: 1 PID: 6419 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #8 [ 63.205167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.205168] Call Trace: [ 63.205170] dump_stack+0x194/0x24d [ 63.205172] ? arch_local_irq_restore+0x53/0x53 [ 63.205174] print_circular_bug.isra.38+0x2cd/0x2dc [ 63.205176] ? save_trace+0xe0/0x2b0 [ 63.205178] __lock_acquire+0x30a8/0x3e00 [ 63.205180] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 63.205182] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 63.205184] ? plist_add+0x5cb/0x760 [ 63.205186] ? perf_trace_lock_acquire+0xe3/0x980 [ 63.205188] ? print_irqtrace_events+0x270/0x270 [ 63.205189] ? perf_trace_lock+0x900/0x900 [ 63.205191] ? perf_trace_lock_acquire+0xe3/0x980 [ 63.205193] ? perf_trace_lock+0x900/0x900 [ 63.205195] ? _cond_resched+0x14/0x30 [ 63.205197] lock_acquire+0x1d5/0x580 [ 63.205199] ? lock_acquire+0x1d5/0x580 [ 63.205200] ? down_trylock+0x13/0x70 [ 63.205202] ? lock_release+0xa40/0xa40 [ 63.205204] ? vprintk_emit+0x43b/0xb90 [ 63.205206] ? lock_downgrade+0x980/0x980 [ 63.205208] ? kvm_sched_clock_read+0x25/0x40 [ 63.205209] ? sched_clock+0x31/0x40 [ 63.205211] ? sched_clock_cpu+0x1b/0x180 [ 63.205213] ? vprintk_emit+0x5b5/0xb90 [ 63.205215] _raw_spin_lock_irqsave+0x96/0xc0 [ 63.205217] ? down_trylock+0x13/0x70 [ 63.205218] down_trylock+0x13/0x70 [ 63.205220] ? vprintk_emit+0x5b5/0xb90 [ 63.205222] __down_trylock_console_sem+0xa2/0x1e0 [ 63.205224] console_trylock+0x15/0x70 [ 63.205226] vprintk_emit+0x5b5/0xb90 [ 63.205227] ? console_unlock+0xfb0/0xfb0 [ 63.205229] ? wake_up_q+0x8a/0xe0 [ 63.205231] ? find_held_lock+0x35/0x1d0 [ 63.205233] ? __debug_object_init+0x55d/0x1040 [ 63.205235] vprintk_default+0x28/0x30 [ 63.205236] vprintk_func+0x57/0xc0 [ 63.205238] printk+0xaa/0xca [ 63.205240] ? show_regs_print_info+0x18/0x18 [ 63.205242] ? perf_trace_lock_acquire+0xe3/0x980 [ 63.205244] __debug_object_init+0x5cc/0x1040 [ 63.205246] ? perf_trace_lock+0x900/0x900 [ 63.205248] ? debug_object_fixup+0x30/0x30 [ 63.205249] ? perf_trace_lock+0x900/0x900 [ 63.205251] ? task_sched_runtime+0x1e4/0x3d0 [ 63.205253] ? trace_hardirqs_off+0x10/0x10 [ 63.205255] ? find_held_lock+0x35/0x1d0 [ 63.205257] ? alarmtimer_get_rtcdev+0x2c/0x40 [ 63.205259] ? lock_downgrade+0x980/0x980 [ 63.205261] debug_object_init+0x17/0x20 [ 63.205262] hrtimer_init+0x8c/0x410 [ 63.205264] ? hrtimer_init_on_stack+0x40/0x40 [ 63.205266] ? do_raw_spin_trylock+0x190/0x190 [ 63.205268] ? security_capable+0x8e/0xc0 [ 63.205270] ? ns_capable_common+0xcf/0x160 [ 63.205272] alarm_timer_nsleep+0x164/0x4d0 [ 63.205274] ? alarmtimer_do_nsleep+0x600/0x600 [ 63.205276] ? get_timespec64+0x104/0x170 [ 63.205277] ? timespec_trunc+0xe0/0xe0 [ 63.205279] ? SyS_futex+0x269/0x390 [ 63.205281] SyS_clock_nanosleep+0x235/0x330 [ 63.205283] ? compat_SyS_clock_getres+0x160/0x160 [ 63.205285] ? trace_hardirqs_on+0xd/0x10 [ 63.205287] ? do_syscall_64+0xb7/0x940 [ 63.205289] ? compat_SyS_clock_getres+0x160/0x160 [ 63.205290] do_syscall_64+0x281/0x940 [ 63.205292] ? vmalloc_sync_all+0x30/0x30 [ 63.205294] ? _raw_spin_unlock_irq+0x27/0x70 [ 63.205296] ? finish_task_switch+0x1c1/0x7e0 [ 63.205298] ? syscall_return_slowpath+0x550/0x550 [ 63.205300] ? syscall_return_slowpath+0x2ac/0x550 [ 63.205302] ? prepare_exit_to_usermode+0x350/0x350 [ 63.205304] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 63.205306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.205308] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.205310] RIP: 0033:0x454e79 [ 63.205312] RSP: 002b:00007f061a5ccc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 63.205317] RAX: ffffffffffffffda RBX: 00007f061a5cd6d4 RCX: 0000000000454e79 [ 63.205319] RDX: 0000000020000340 RSI: 0000000000000001 RDI: 0000000000000009 [ 63.205322] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 63.205325] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 63.205327] R13: 000000000000004f R14: 00000000006f2808 R15: 0000000000000000 [ 63.205757] Dumping ftrace buffer: [ 64.011627] (ftrace buffer empty) [ 64.015314] Kernel Offset: disabled [ 64.018918] Rebooting in 86400 seconds..