0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:15 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:15 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:16 executing program 0: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendto$inet(0xffffffffffffffff, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000cd2ff0)={0x2, 0x4e20}, 0x10) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x3, 0x64031, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$tun(&(0x7f00000004c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'ip6tnl0\x00', 0x9516}) close(0xffffffffffffffff) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000044ff8)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f0000084ff0)=[{r1}], 0x20000000000000b5, 0x0) mknodat(0xffffffffffffffff, &(0x7f0000000240)='./file0\x00', 0x0, 0x0) mkdirat(0xffffffffffffffff, &(0x7f0000000300)='./file0\x00', 0x4) pipe2(&(0x7f0000000100), 0x0) r2 = mq_open(&(0x7f0000000640)='-$\x00', 0x0, 0x6, &(0x7f0000664fc0)={0x0, 0x1, 0x9}) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x31, 0xffffffffffffffff, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r3 = dup2(0xffffffffffffffff, r2) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f0000000140)={0x0, 0xa00}, &(0x7f0000000000)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000000880)={0x0, 0x206, 0x0, 0x0, r4}, 0x10) ioctl$EVIOCGMASK(0xffffffffffffffff, 0x80104592, &(0x7f00000000c0)={0x5, 0xb6f, &(0x7f00000008c0)="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"}) 2018/03/31 06:55:16 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 156.171315] print_req_error: I/O error, dev loop0, sector 0 [ 156.203428] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:16 executing program 6: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00'}) 2018/03/31 06:55:16 executing program 0: mq_open(&(0x7f0000000000)='-$\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x0, 0x9}) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup.cpu\x00', 0x200002, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1082a0}, 0xc, &(0x7f0000000440)={&(0x7f0000000500)=ANY=[]}, 0x1}, 0x0) fchdir(r0) setxattr(&(0x7f00000003c0)='./file1\x00', &(0x7f00000007c0)=ANY=[@ANYBLOB="01000020000000c24b26b6c312f73b7de2c122e43ef314d5c8b1bb06383f73e1801dff5d4907d471573d632709c469f56f7037e974582411434440766a8ba6e53709b76a7b61a5c11a16cfbc9b931e2dcf06803f0c7618e16fa37153ab40da73c2042c3729cc0e81e1d62fb52a10a902be80c55ce48343cb860f6f5c751372a478622a70840e02dcf5e530a8877e2f4b71972ddc3a3837a2bfa1452ab304f527df017ba865714771dc681f5b9ad6826cfa815ee204f47f55833d358303c0eda9c8fc6954927399273cfa65cf5a7c6658f47d941d77b3fc09622304a3cd2bb5bf78dd671542e70287bd3adbc07a1df5cbdef039df122139d55140cb49546b6fc2c47ee6677ebfb2788090ef3d707b98745bbcfd64ad9505ce91d78c0a3e9c6f4f523027c44cc4d9ca09f0b110cb957c"], &(0x7f00000004c0)='{\x00', 0x2, 0x3) syslog(0x3, &(0x7f00000000c0)=""/215, 0xd7) pipe(&(0x7f0000000040)) ioctl$UFFDIO_UNREGISTER(0xffffffffffffffff, 0x8010aa01, &(0x7f0000000080)={&(0x7f0000ffc000/0x2000)=nil, 0x2000}) r1 = creat(&(0x7f0000000600)='./file1\x00', 0x4) creat(&(0x7f0000000380)='./file1\x00', 0x8) clock_gettime(0x4, &(0x7f0000000540)) write$evdev(r1, &(0x7f0000000580), 0x0) fsync(r1) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x3, 0x31, 0xffffffffffffffff, 0x0) add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f0000000080), 0x0, 0x0) keyctl$assume_authority(0x10, 0x0) r2 = socket$inet6_udp(0xa, 0x2, 0x0) r3 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r3, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @multicast2=0xe0000002}, 0x4, 0x0, 0x2}}, 0x2e) sendmsg$nl_crypto(r3, &(0x7f000037ffc8)={&(0x7f00009dd000)={0x10}, 0xc, &(0x7f00002ceff0)={&(0x7f000097b000)=@delrng={0x10, 0x14, 0x200, 0x1, 0x3}, 0xfff1}, 0x1, 0x0, 0x0, 0x8820}, 0x81) ioctl$DRM_IOCTL_RM_CTX(0xffffffffffffffff, 0xc0086421, &(0x7f0000000500)={0x0, 0x3}) mq_timedsend(0xffffffffffffffff, &(0x7f0000000240)="37e6f77a3795ab4b8e0d35892dea11513cf71c63ac43", 0x16, 0x0, &(0x7f0000000040)={0x77359400}) mq_timedreceive(0xffffffffffffffff, &(0x7f0000be2f7d)=""/131, 0xfffffffffffffffd, 0x0, 0x0) r4 = add_key$user(&(0x7f0000000300)='user\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a}, &(0x7f00000003c0)="9972845b577b6fb20c980a7d9180627bea7b2b09e0e9467edd7f398f0dd7bd089c", 0x21, 0xfffffffffffffff8) request_key(&(0x7f0000000700)='ceph\x00', &(0x7f0000000740)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000780)='^vboxnet0selinuxmd5sumvboxnet0self^cgroup^securitykeyring\x00', 0xfffffffffffffff8) keyctl$instantiate_iov(0x14, r4, &(0x7f00000006c0)=[{&(0x7f0000000400)="f916b8f72c29a4ed654ec4634d47", 0xe}], 0x1, 0x0) 2018/03/31 06:55:16 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:16 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x0, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:16 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:16 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:16 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:16 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = syz_open_dev$sndpcmc(&(0x7f00000000c0)='/dev/snd/pcmC#D#c\x00', 0xfffffffffffffffa, 0x4000) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f00000001c0)={0x0, 0x87, "578cb693bb806ca48812ed72fa2c61893461a26bd7a30e7a52c354606005c0435dba7f71d01ee02e722f2e43d70f07db88ad0db3eaf3ac33de24313f54caddfacdb89ffb808b90e3f35966f6e9ef722beafd2bd2ba2354106d1a4d7381dbe4223c876174de9d62e269e328de105f2bc736623e5c2a54e13500d3e9fb4411d389c1ba2a31ccecc8"}, &(0x7f0000000100)=0x8f) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000280)={0xfbf, 0x2, 0x202, 0xffff, 0xfffffffffffffffb, 0x58e2, 0x8001, 0x1800, r2}, 0x20) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:16 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:16 executing program 6: mprotect(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0) syslog(0x3, &(0x7f0000000040)=""/4096, 0xfda2) 2018/03/31 06:55:16 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:16 executing program 0: signalfd(0xffffffffffffffff, &(0x7f0000000480)={0xffffffff}, 0x8) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x9, 0x1, 0xa2, 0x21}, 0x14) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000004c0)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) fchdir(r0) mmap(&(0x7f0000fee000/0x12000)=nil, 0x12000, 0xc, 0x41030, 0xffffffffffffffff, 0x0) r1 = creat(&(0x7f0000000540)='./file2\x00', 0xc1) recvfrom$unix(0xffffffffffffffff, &(0x7f0000000240)=""/37, 0x25, 0x12000, &(0x7f00000003c0)=@file={0x1, './control/file0\x00'}, 0x6e) write$cgroup_type(r1, &(0x7f0000000040)='threaded\x00', 0xfffffe68) mkdir(&(0x7f0000042ff6)='./control\x00', 0x0) inotify_init() r2 = inotify_init1(0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f00000002c0), &(0x7f0000000340)=0x4) inotify_add_watch(r1, &(0x7f0000000300)='./control\x00', 0x81000000) inotify_add_watch(r2, &(0x7f0000c31000)='./control\x00', 0x86000006) creat(&(0x7f0000000000)='./control/file0\x00', 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./control/file1\x00', 0x40, 0x48) execveat(r3, &(0x7f0000001ff8)='./file0\x00', &(0x7f0000000ff0), &(0x7f0000001fe4)=[&(0x7f0000001000)="747275737465641e00", &(0x7f0000001fff)='\x00'], 0x1000) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000500)='/dev/ptmx\x00', 0x0, 0x0) r5 = creat(&(0x7f00000000c0)='./file1\x00', 0x10) r6 = gettid() syz_open_procfs(r6, &(0x7f0000000640)='net/udp6\x00') setsockopt$bt_l2cap_L2CAP_OPTIONS(r5, 0x6, 0x1, &(0x7f0000000140)={0x8, 0x52d, 0x1, 0x0, 0xacc, 0x80000000}, 0xc) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000380), 0x4) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0xfffffffffffffffa}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu\x00', 0x200002, 0x0) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000580)=ANY=[@ANYBLOB="ebab3272ae4dd3e89a0200000000000000d6d4591a3f2052792ee364419631d973146e109bba9a3ebb815249f22a71c94abd0360e2218fcc78627132c83c46a3a5269d1998a81e01f1f4d15d015c5cf699d4779cd68a1697a879503d09df1610a16d49a1488cd92152f29f419778f8f320b829d16446ac73cf672a20f7e56aa963ad639cfff857583f9dcadbff027d0f"], 0x1) syz_open_dev$usbmon(&(0x7f0000000440)='/dev/usbmon#\x00', 0x2, 0x0) fstatfs(r4, &(0x7f0000000180)=""/144) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) [ 157.180704] print_req_error: I/O error, dev loop0, sector 0 [ 157.210299] print_req_error: I/O error, dev loop0, sector 0 [ 157.286701] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:17 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x0, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:17 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:17 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:17 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:18 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:18 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) socket$bt_rfcomm(0x1f, 0x3, 0x3) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f00000000c0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:18 executing program 0 (fault-call:10 fault-nth:0): r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:18 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:18 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:18 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:18 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 158.242584] print_req_error: I/O error, dev loop0, sector 0 [ 158.272549] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:18 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:18 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) getpeername$packet(r1, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000002c0)=0x14) ioctl$TUNSETIFINDEX(r4, 0x400454da, &(0x7f0000000340)=r5) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'nr0\x00', 0x400}) 2018/03/31 06:55:18 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x0, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:18 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:18 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:18 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:18 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:18 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x0, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:19 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000280)={r1, 0x5}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) setsockopt$inet6_tcp_TCP_MD5SIG(r3, 0x6, 0xe, &(0x7f0000000440)={@in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x15}}}, 0x2, 0xeb37, 0x3, "3732f32d74390e12fa882e42e57ad39d2398d01e2391d90e04ae5ec6470fcfbba00ba59732a8b40e906b11abd92627caa5f535920184b2d7685fd79cda9e696fcb6df1c556a7980eee41717a383ea335"}, 0xd8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000140)={'bond0\x00', 0x2400}) 2018/03/31 06:55:19 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:19 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:19 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:19 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:19 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:19 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$KDSKBSENT(r1, 0x4b49, &(0x7f00000003c0)="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") mmap(&(0x7f000050a000/0x1000)=nil, 0x1000, 0x3, 0x18031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:19 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x0, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:19 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:19 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000340)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:20 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 3: r0 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x6, 0x208000) write$cgroup_pid(r0, &(0x7f0000000400)={[0x37, 0x36, 0x32, 0x38, 0x31, 0x33, 0x39]}, 0x7) r1 = timerfd_create(0x0, 0x0) readv(r1, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r2 = open(&(0x7f00000003c0)='./file0/file0\x00', 0x101, 0x140) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffff9c, 0x84, 0x1f, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e23, 0xfc00000000000000, @mcast1={0xff, 0x1, [], 0x1}, 0xb728}}, 0x1, 0x4}, &(0x7f0000000100)=0x90) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000280)={r3, @in={{0x2, 0x4e20, @rand_addr=0x2}}, 0x8, 0x2}, &(0x7f0000000340)=0x90) 2018/03/31 06:55:20 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000500)=ANY=[@ANYBLOB="01000000d8b298a961bd0835dce587516dcbd6630a5d78230a9b9b4090e678eb55f31c816ebbad19d06b84616438993969af355a5bd721620dc241ec500791206ae2bd4458ba41d6968611dee4245a202976009b1905838918bee1bd6aff9b839c55c602df30fe1298127f9f037aea8677a3a340fe2b3938adca4f90ae1b3b99ab49c18ad6ebbe0f9f2156a2d9f9960e0e3eb1c280f48361bebc9baaefa4a2a04a193c6f74a68e49659329af6b9989098a076c2862", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r5 = syz_open_procfs(r4, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000280)={0x0, 0x200, 0xfff, 0x5, r3}, &(0x7f00000002c0)=0x10) setns(r5, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000440)={r1, @in6={{0xa, 0x4e24, 0xdd59, @mcast2={0xff, 0x2, [], 0x1}, 0x7}}, 0x10000, 0xf7, 0x81, 0x401, 0x1}, 0x98) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a94000/0x1000)=nil, 0x1000) getsockopt$inet6_buf(r0, 0x29, 0x0, &(0x7f0000000600)=""/201, &(0x7f0000000000)=0xc9) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r5, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'gre0\x00', 0x400}) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:20 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000080)={r1, 0xfffffffffffffff8}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:20 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ioctl$sock_inet_SIOCGARP(r3, 0x8954, &(0x7f0000000280)={{0x2, 0x4e21}, {0x306, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x6e, {0x2, 0x4e22, @rand_addr=0x5}, 'yam0\x00'}) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:20 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 3: r0 = timerfd_create(0x0, 0x4) r1 = syz_open_dev$mice(&(0x7f00000001c0)='/dev/input/mice\x00', 0x0, 0x80000) getsockopt$inet_int(r1, 0x0, 0xa, &(0x7f0000000200), &(0x7f0000000240)=0x4) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r2 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0xfff, 0x20080) ioctl$PPPIOCGMRU(r2, 0x80047453, &(0x7f0000000100)) 2018/03/31 06:55:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000440)={r2, @in={{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}}}, 0x84) ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f00000002c0)={0x8, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}]}) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:20 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', 0x0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', 0x0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:20 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:21 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) [ 161.122725] print_req_error: 22 callbacks suppressed [ 161.122730] print_req_error: I/O error, dev loop0, sector 0 [ 161.153589] print_req_error: I/O error, dev loop0, sector 0 [ 161.162726] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 161.304676] print_req_error: I/O error, dev loop0, sector 0 [ 161.356282] print_req_error: I/O error, dev loop0, sector 0 [ 161.362716] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:21 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x0, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) ioctl$sock_inet_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000280)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:21 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', 0x0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:21 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:21 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:21 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000300)='/dev/sequencer2\x00', 0x200, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000340)='/dev/sequencer2\x00', 0x200c0, 0x0) fanotify_mark(r1, 0x89, 0x1, r2, &(0x7f00000003c0)='./file0\x00') pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@remote, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@mcast2}}, &(0x7f0000000100)=0xe8) bind$bt_hci(r3, &(0x7f00000002c0)={0x1f, r4, 0x3}, 0xc) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:21 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x210440) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:21 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:21 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:21 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x0, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 161.661916] print_req_error: I/O error, dev loop0, sector 0 [ 161.677713] print_req_error: I/O error, dev loop0, sector 0 [ 161.689775] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:21 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) [ 161.856268] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:22 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) io_setup(0x1, &(0x7f00000002c0)=0x0) io_cancel(r1, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0xa6, r0, &(0x7f0000000440)="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", 0xfc, 0x1000, 0x0, 0x1, r0}, &(0x7f0000000540)) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000580)=ANY=[@ANYBLOB="05000000e25aaaad9019cadf5866d108e9e6227f8a176d74ccae651ded2ba71ef512869d72d3fb44", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r3, 0x6}, &(0x7f0000000180)=0x57) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r5 = syz_open_procfs(r4, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r5, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r5, 0x84, 0x22, &(0x7f0000000280)={0x1a7046c5, 0x7, 0x9348, 0x36, r2}, 0x10) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r5, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:22 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x0, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:22 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:22 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:22 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:22 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:22 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:22 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380), 0x0) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) pkey_alloc(0x0, 0x1) r1 = pkey_alloc(0x0, 0x2) pkey_free(r1) 2018/03/31 06:55:22 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:22 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:22 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:22 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) setsockopt$IP_VS_SO_SET_STOPDAEMON(r0, 0x0, 0x48c, &(0x7f0000000340)={0x2, 'irlan0\x00', 0x2}, 0x18) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000280)={r1, 0x3}, &(0x7f0000000180)=0xfffffffffffffec8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x2, 0x9, 0x1, 0x100000001, 0x3f, 0x70, 0x4, 0x47bbd050, r1}, &(0x7f00000002c0)=0x20) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:22 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:22 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(0xffffffffffffffff, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:22 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, r1, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:22 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f0000000240)='\x00', 0x3) ioctl$KVM_GET_CLOCK(r1, 0x8030ae7c, &(0x7f0000000280)) pkey_free(0xffffffffffffffff) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x100, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000000340)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r2, 0xc0086423, &(0x7f00000003c0)={r3, 0x1}) getsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000100)=@assoc_value={0x0, 0x19}, &(0x7f00000001c0)=0x8) accept$netrom(r2, &(0x7f00000002c0), &(0x7f0000000300)=0x10) setsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000200)=@assoc_value={r4, 0x2}, 0x8) 2018/03/31 06:55:22 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:23 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:23 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) close(r0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x80000, 0x0) setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000100)={0x5, 0x10000}, 0x2) 2018/03/31 06:55:23 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000040)=ANY=[@ANYBLOB="78e5000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r3, 0x40a85321, &(0x7f0000000440)={{0x10000, 0x24691a83}, 'port0\x00', 0x80, 0x0, 0xef, 0x7, 0xa2f, 0xfffffffffffff54d, 0x9, 0x0, 0x2}) setns(r3, 0x0) ioctl$TUNSETOFFLOAD(r0, 0x400454d0, 0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000000500)="f39cc2d40ba28f747556c0e7fc892f4183f1f1ed0ccc5463eb0f8fbdf616b3b06e9ca76e91c7a3c2539a1953c696189acec2bdc644a1ca48c92d60ad7205bc378f520f51d0c2a1225d313913dc939b273b13c7bca255b798ba731808388b48d141b345289d677300cdc9a1b6da9b70bbd7032813c4665fdaa46ae72930e831ea2d882ab0304bd4ab49059ec6bf9247ba87dab1bdc3df62edfdd7990d4389e58ac38f06ed4b86eeceb0f59213149852c8c00d27d332106dd5a921") munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000280), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:23 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, 0xffffffffffffffff, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:23 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:23 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:23 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x0, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:23 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:24 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:24 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={r0, 0x28, &(0x7f0000000000)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000340)={r1, 0x80, 0x18}, 0xc) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="050acc9900000000fb0000000000000000c0dca409fd073c6500000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000480)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:24 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:24 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:25 executing program 3: readv(0xffffffffffffffff, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) r0 = syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x7, 0x30100) writev(r0, &(0x7f0000001580)=[{&(0x7f00000001c0)="8ae615923b1593025dd7eafb9dd18e54a490b707aeec546ddb1a1201bc27b2176f62c58bd7a5652d1c43af4f32b4671b323731c7d5b6881c6b705fccaaa7b5176019c3adbdd7be3c9858e667ea689f7fe932c9b3bc2669989c297730cbb9e0b3d20c4018e1456cdfbcef84acd11627cf319989740ee7d091597e15e07ca588a79c2f4fdd25623bac6e4a375dacc0c3b2e81bfc36916f86e6b57210335364d0806b67cda0e5660f0bcc189fb0", 0xac}, {&(0x7f0000000280)="a0bb5c38ce5cf3cc1da4c0148bf1140d8fb4528343401e4713ae108ac4cc6a67d6c5da097e1439908f82b1f118272cb09f2d6e3ac3a3b8bcd8fdd0324b67a021cd97419da3e7800de902fbac664fd29ee670c616d64872d401eaf40ab5b648c88b9dcc6a78f5afff14892dd51a6dd52772cc2845227292d65a2d364fa6e4e6bce444b17cb1", 0x85}, {&(0x7f00000003c0)="6854f46ed2c15c68bb4d74e902b0df85322a70dde6e55a01ec2ebbe4c4e5f2756df358a43d5cd4d1be499dbf6b0a6bd69c965745fa3cff1393f788642f521a2f378948887b8a5014defa390ee1e3bd5086ae2ed38334e364b089da5e30cdccecb8d90fc1be39e68a8e6e11e469d0591258944c", 0x73}, {&(0x7f0000000440)="cdf089a08a476670f90bf2f7bec396f8133bb0d5e1f1344da9142a5d3bbbbf4db462d592d75f6fa52cfd261480a9c5e47643cc754f039d12bb13770bb94a5ab90cfc2560ee201ccf68ea4ad15f29cdeee32d81f3875f0fdd8862f97ac91bfdc46a9f6fd3ea3c80d5dcf572adfbeda1fedd50c12ab5f97f96586c540d1874c1f7df4f2033fdb83a56a72f98805d1cf0c3fdaad522abc94c0275e4a345a8e022ba9366a990d5569eed30fdbe296a18b1c446297eec98b9a2f9572008097051308e39faa66013ed2d7672b9582a09727158fbf927c6ab66eb29bb29bf9464a58c38cbbc057bfa2c7040a9b974d9a2199e3350df8b1ac7e9f321de8ba4aaf47267a826244e2a0e5844ae1c8c7f7cf031766d6699a969545c54a789db505ed67bb31aa5e552d7a5138abdc1b8fcfaef9439d52d30085e3a738ebf83526061c1eff4fd4123049027371f99484c82fdf26ebd6bec6060f5e15a88ea704e5159dd2c426c9febb321afe497de3a7b2e161f8a2f88b67fadfe873cc0c415fb3d865b0b7766cb48b898f09002fdaa92fce490ca66d91f0c00c0616cf2fefa60ec717e2e4f3b2b9dcca3baec67f0e9f5f18c47a48d890a660590009c6d7535a3d2bf135f23677a8ef20a8a64231bef071f1c939e274bfc0f21182c3b334fe90590b3573fc1183ce2b50b0b5de29dd12f911489d3784d94337852f0e32e211f2feb9e497fff838d52cbb9d5abaed81354f8980399afc47cf8e297c7cdc34f1af32915d3362bb26d792ca0f2b88ca6c1b812d9a75ff63d6bb9c34d10b4f46d7b123eaa29c2186db892e0913898a45b8c6f0b397182ae2de3ccb172a20ca1eff25ba4174ae7a48a5b7600eb3d48cb81f562450f1d732456a84fc19413e33141f264d969d1ded7e4eb8c11845df7e1edc23b0fbd3021efeeaa98bd079b8da2be10229eb52feb8372d5446deee07d3c5ae844314c9b4b1d3269ad915402cac9ef52e270bba74469f829793aefcd8171496ba750cdadb55d00b83cb9a80409fb7b87441538905496079a1c421fd06791db7f8186eecf4803bfc2120560d5575f5881747439f4ac8e0cb43ec34da98ed05f1fde5855b7fb4346ad0c3e637277a506f81c5d69ea3327e9be2358f585f4443608721e3388448e27ab9440d807dde247cf814d777f3397c1fa7035be7981f49e26efebe0c4c8f5694c43aca87b2bb983e7301affabd82bd55132f6bfcae6babe7b71d79448c0550a2405df544791ef545c45c11c8ad18ec93bfb2666a89da1f3f9ef5fc8fe0bb30415f3ea4bf8ecb7653f229dd1ad241e3111ae28e43fba26eb0a93209024ec5770d2363a4f486967aca83a9e0f78ddb8bc1d1cce40389aa8046b80f98f45d7cd1f77d678c22b8d458744a82eacd9251b294871d4a9380706a60e8328a502f62db5149bdda38bc3658c3b6cf3041c1e832e5c8fb5c04c3d48494d7201bcde82369873b9cfc3e916040502f19e6bb4db63bed59f16c8c79592950d1838f008117e24f8e03c8430b8442d3c99257573495ccb0960a04b35ea7ab3766095d64af7812cf572c325a1a8a314cd128e355fc34b83bb17fd82542a03cdd7e0c91d985b9ca8cd34cabd8c8e35d4b1a587aacb7373c28451a6d20dd337b00c6f1f697b810ef983ff48371a9c0b1c063799898b16796c96f68522e49d4843d54b5c0e545b5202fdc220cbf1e0a91947aeab6a78c877b3e7d221779813ea5d0fee49bc839c33610bdeb1e1246adb9b6945eacb6e1dbcb8ac895bd5ba0d7a07c254665ecdc913c5c105786f36dac517c8ac395891866903fa8189be20c71d4ed06db88e503a50ecdbeee3b88a162d9a2cbe2ea900477a5f12ada89c455b606fad52be4c2112db1bfa8e471bd2c2111ad92250c9459e1819413aff0cebc293c4afc287f4bd76081fdd0fc175a39542fb28eb9a8a82d804356bb8c06cb47107c2f225684630a30af98ff97b70f9fa30fce93449b351c0455bcb25294fb2d1c43e46cfd80fef599b1e56c429adafef1b063259e69f9d1343096ab8bdc2b80f3b320cf2185d51807fc5af439f014e9e202f74ef4a08e77f30a434f382ebb1ab9f258a1e43f32acdd39bb8c6276908876747a3d10ad48d11666f5c3244597fc55dd58ac90ee8d62221d1ac96d553c27172ba2a60251383ecfa2473eaeab8295dc6cfabe83c5d44e8f63b3a34d1d1278874c6886f7c306c09f66e09aa2e1c52321a991a264d7480ce66f2368a70d42a8ae2a518dbfe98713c3c248cce388022d8681f9d02c852bf73532cb41ede8bd0514ece30a2c7a41341a565af92cf0db3ebdf906e29a7780cb87177ef3a7caa83b8760ab390911d219362df99a6c243068c8f3e14222551c4cfe53d3b07aa5a07f7fe00d86c454b594c24a57ff6105f982aa39267c72f30971e40387b2ddd5f6b5b2308459b2778219c043addadc5f32b516cf70f3d0de3648427fed8feb10f79e77f51ca12c90e679d9057ec5f99343d3f3873b6c23a86559c0aea6fa5695ff68be2630d235299fe4f8eb8c832b9b9f10ab44705866f796ed5eff7e794b5db99d2760d7d5652b525bb9cdd0e5cab69e511e584b4d22bffcda06a024cba8c53862ece83de04f1bc913d87137b91602ae1a492a5f97e3acc618501fd2a053e6f5ae7f031cbd75a59d829764dae3edcff53eea01f3be83117de642e8153934a5923e1850b4e9dd2a8bf8718832597d7c105e327245d72dcb230fdaf5d6ee0c1940517a6696064eb6aefdce926783b14961d9bbcadc3606103c2626c01b4406cb4f5db26cb7d0251b2099b54abf13c9a91d0731d152eade1581b2c969434591dbfee5c4e552c58f15ea4a9e0f323014e64e03e26c620a322b96702bce71c150c482458466acd9c61d89a99a574a22d68226e31bdef552581a31a7e153dfc6733075811392837508e56f99f7a23eb6980678738f8012cc1497d82f95654a436c5b4f14c588856bfa6b810340fc73591130c18e303584cedecc7deb30e34a951e5229b545fbc051f91beb95baa75e815be68cc21b69b1908349e42ce64b1827f0f0487c8b4298eb8189d20d5d2372c82af9d8c3e7aa0319c11537626794e0e956b014ce7883f005c0a4eef6c213c2ca760e36d6e36446b28b7abde43099e4456c7e5e86b6aec508a04744568c71b94834e209fd46b94f4257a5e6a7b1343e66de61d4a477dd1a6bfca03ec7e0b2f3af79c234c7e9a637852aab52e8ae61cfbce5c565cde3ffe3266ef7b058ca73cdd2d75a573c7ebad32fccdf9f7dad121a2808cd37e9139028b7d9da3401eb9f3ebc25b5f59c40948664434f2db219d52229d79fa4e0689c213f6cfb01b135043b43d6b03f42ac00f4b9046fc541b1e7f6d9ff00a97fb47107c9e86eb176c6cd766630bd62c509b654275990094a853920a9df0573b422f34f16cbd5a5adeac730d2ee9f4156d4c69fbbab7e63d8bd81ef2b8d636cb5ac159a52358a390fe39f5e06ebf4da6de8c82bd3a286bd4f16a4c416a16bbcb5da0021bc6828fd45491b7dc21551ad3888ba6d582a2e3d873e91bafdfdd710125e0b931c7cd3ae582fe38dbbd2feb01716bda438372fa009bdb7a10fc8ba23af2e7fac763bd9a9217b05e57106479f1188c035e9469b1dd728d5b7c4ae16a80999368af84afd7944c86c25d3c125c479ca767b06dd5b9cfd6b2ee4c08814abba81a36a157a2d99cbb14c1547002593974cdaa6635af37b3d7fa6d59c0868f5c3a958dacad69e095f990c1acd5c15f3b55eb9d36fe41a06a2caa683f9a6b63e86579d3b6d1cc929f0ecc3efc8a04779033435bf53bea4053b13351a9d3e2db416ef6a229a272c81a4d530db006c5ee1acfb30e4691ea36579f32e346c5905ba1059a92a14ff9e1c77e675261ffd2e2dd81f8ba0a5065c55e38061337ec25dde287b11a5eee1fc3b9abab169e5f7c69af7cc61256431a44615fd10cce47be7bd38ab16b364ed1616722d7072171e0f911713753237f0e9bdd9bb6f5b51ff54ce55b05dd8d6309ae1aa58e22decb6a803feb2d888e2ae21a52a78f6c30435a5ca4c46d4d277b70c137db05ede5e92bcdc8560b92884b0dd06382d7108fb0c65e387873001055b1b5c35a13d89ace66f95747e7c78a7aa660bb661b324139a93ff07558761ad3a182bf2320952a9af9c527f2addf17eac4a7b33d60eedc7585537e19f65652c4ec0553a4f4e78f14d6d605017e41336f9ec7e338cdc0aca1105cea61e030adcd7d01a3c3769947529cbcab3c6bdd073b4f8d8a1a1071ef52570d240cb6ea26c8abbfa30bac134120e13b4a2ff1acd416d45d4e91ca9ecf749547c471d66b35aee6ab429b54b17b8d94655a5f0c6fa65fb9a553d16e1971372cab56b1745319a60ee3f06e5392160a3ac8d47002db5f3047e12203c13d01bc3d6ca61fa55f4f5b64c89d51e06b29602e5bce109fb0d09a75715d135515e9718b66c0b051d3f545e59fe814e12f20f32ab877c57bd1947a078e2851b690227b39e692eab0974b39513aac4229786f5396f0db97dd08e3f08d705872116d9eace4b56d41284e37b9c46063c8feb55fdecebec74bc45c8c02fc9fdc4d114da815a433109b8f2aef9c5033c174f97a966d004bb2d5ff162eef6ee82e4d2cb533b2b58522251021aed3cdef9b56590cfcf4cae7416867ab261008ff71d75c55e724fb22aa41d21a4f47deefaba29e7aa49463af1778801dfd1fe53d4a757e9b770be9356bf4f1aebfa0418124ba23d01944190a2d4f6b7fa37e6b6d1cf6828a7f3ce71c50868b60c97ef3008dcd195f9d7d25ece86c31fba26aa0c6276e5eaeb2e8db01e57f7cd6ffa2fbdd93351a7786c96a9cd8f703745204e0c33b9e09964e16400f147da209359d282134b673955b8dfc78d2c0723ec12e53a4e23cae5abbc9b03ab548e5048354b1c44b5d5ff756ca7aad0b78d3b19a448a27e23ad98d66263d07363a4bd4b13db7bffaf025ab1c0e0ffb7af86219a495fd0c9adca73bb33fadf1c00a4c19e9d0712d0b4ee357502d78dd77d004270b727a812cfc4435828147480137bfba7012155ca365bfeb69befa01242883058aed0fc22778624b1bb4f14e11f7a82dea7a218801c00ec6ee13c89572d6d1f9e90e2dcb9b352b132270523e16e33991474f3e0f78c80ac3ab6077324c41335f779edc4292576be9d432c5ea5ebed767aa8915e3617c1fd93c464e3561f2ef2335b8484fae024e8caeb375c04e4c4a1d1a61e7d0328f3120a088de15801658013a7c7f4a25f5f4755198f9a298771fc29a26f6f0f6c2a7d8baea257e4a54f9b59ef9c50fd7a1734868e2303a5d5c4cc9f680e4723bc46af98190deb4ccb20ce04fb8cce010b080482755f5a2e52a90ae53f6d0a94ec454168f493088899d122f0a7641c99f1dbb810435e2e51ea01f3ce1d0d2dd4a2bb2a313513f0f94c5934bbc6db2f2a9b5b368010df10b9cb35272a2db21d03621f2f9b81c00a324100dd71c586250d52d764179a399ebba82f780ccb6fec921f4422807ec5793a67e8f60a24f4eafe6d41df1e7a78322741e5c82a7558d87e430d1107d38e2dc62dedbd5878fc75f58e01896e5257cb92a53a0aec376396c09d1d267d0c8bda20fb9cbee9c85ce03c7b419b05c88a52e9b0b7722802d7d0c183f5591f27685e20fc973c22c3aec1e5f55715ac196ec0bfec72af9579ad65844f218f912d37e093260d19eced7432011455ab80fc19ff2316ebc417d77da00968445dcd623cec762586952dca79ab3e5fd1e10e03f84e5d16ea29683bb3b8d26ff1512", 0x1000}, {&(0x7f0000001440)="e2ed5ef251b9816bf8b51823b918c950587649e09a4588742cade2cf61d07610096b04ffcdf6089fe8bcaddd5ca539660ec1ad702af7a78d866e9fb985c66ef18110bbbfa903f247382bc6652ac4a94e3558ca65380072b8acf115a6c087afe2a8a84af724e670b618b5ff477cedc56e86f3d30b0cc650a818c82067a606", 0x7e}, {&(0x7f00000014c0)="baee8ffc4c89bdf141d5a135e4f4d72307d385494b133dda9446cbd177c411d4bbf170ce6beec05d700f6384282ac3b861e4a1e7311e4c421e4e9a7f2fada10fcc4dfdeeea5fb19fe9855a927ec7ad8793cd567d7debffb5a875af4265fb41eed620088970f6befcc2fff68bf99674cfc6663f821a0479d39791768dd5d8fa06becf3acb24418f48cb132e9a477df47cb93f4aabbc483966de3379821d3aa8a805242956c0e9fd55543d5d621888", 0xae}], 0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:25 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) fcntl$getown(0xffffffffffffffff, 0x9) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x0, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0xfffffffffffffd20, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="9e1e8e474860fbca736570f7f0ca5e922575c10e00cc0338177995d5aebbf11b4669bf5830284f98205d7b7c529d5dd53a9ca60e5c5b35672f5e43d1e3b234c35c62aa6d25a8c87c9f0bec56edf5cbca35161a5b06c0", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(r0, 0x28, 0x0, &(0x7f0000000280)=0x1, 0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:25 executing program 0: r0 = open(&(0x7f0000000280)='./file0\x00', 0x300, 0x190) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000240)={'nr0\x00', 0x400}) 2018/03/31 06:55:25 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:25 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) fcntl$getown(0xffffffffffffffff, 0x9) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x0, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:25 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x100) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="050000004f09c94e2a32f9864a7109148a1e9393fd6f268fe95faa575e3c26ea9b92424e66ee7d972c83fcb0519b50004955f955e51ad0bfa70042a8f1e20555a09705a36a0613f405ff464b9374bcdecd356f52d0f8e0e3b26317c4fa2c0db2248fe38f4dfcaa5200fc2b09f86498ba91812a27a4a46db1edd2c0c24e8c0000000000000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f0000000280)={'bridge0\x00', {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0xd}}}) getsockopt$inet6_tcp_buf(r0, 0x6, 0x16, &(0x7f0000000500)=""/4096, &(0x7f0000000000)=0x1000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:25 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = syz_open_dev$vcsa(&(0x7f0000000100)='/dev/vcsa#\x00', 0xfffffffffffffffa, 0x301082) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f0000000200)={0x9, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {0x0}, {}]}) ioctl$DRM_IOCTL_NEW_CTX(r1, 0x40086425, &(0x7f0000000240)={r2, 0x3}) clock_nanosleep(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f00000000c0)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:25 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) fcntl$getown(0xffffffffffffffff, 0x9) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x0, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x0) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:25 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x0, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f00000002c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r3, &(0x7f0000000500)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000440)={0x84, r4, 0x700, 0x70bd2c, 0x25dfdbfc, {0xe}, [@IPVS_CMD_ATTR_SERVICE={0x20, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x4}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@broadcast=0xffffffff}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'ip6gretap0\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x38, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, 'lblcr\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wrr\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'dh\x00'}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x20000890}, 0x81) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:25 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x0) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:25 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) capget(&(0x7f0000000080)={0x399f1336}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:25 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:25 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000280)=ANY=[@ANYBLOB="24eef6fde3355c72e37e9f2e7f5a7cb294b100ec1fb6c7ec6a872de33d54b0d78c8d56551ec54a1581a5a5af3b72b2e274977d2bd5e1af513ee13afad36d8e14ec", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) fcntl$addseals(r1, 0x409, 0x2) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) [ 166.175270] print_req_error: 30 callbacks suppressed [ 166.175274] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:26 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:26 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x0) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:26 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x0, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:26 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:26 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) exit_group(0x8001) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) sysfs$1(0x1, &(0x7f0000000280)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") 2018/03/31 06:55:26 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:26 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) sync_file_range(r0, 0x3, 0x80000000, 0x4) pkey_alloc(0x0, 0x2) pkey_alloc(0x0, 0x3) r1 = pkey_alloc(0x0, 0x1) pkey_free(r1) 2018/03/31 06:55:26 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) capget(&(0x7f0000000080)={0x399f1336}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:26 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r4, 0x84, 0x78, &(0x7f0000000280)=r2, 0x4) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f00000002c0)=@assoc_value={r1, 0xfffffffffffffe96}, 0x8) 2018/03/31 06:55:26 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:26 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x0) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:26 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:26 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:26 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:26 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) capget(&(0x7f0000000080)={0x399f1336}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 166.946632] print_req_error: I/O error, dev loop0, sector 0 [ 166.958273] print_req_error: I/O error, dev loop0, sector 0 [ 166.966363] print_req_error: I/O error, dev loop0, sector 0 [ 166.972199] print_req_error: I/O error, dev loop0, sector 0 [ 167.129645] print_req_error: I/O error, dev loop0, sector 0 [ 167.139595] print_req_error: I/O error, dev loop0, sector 0 [ 167.156938] print_req_error: I/O error, dev loop0, sector 0 [ 167.167479] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:27 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:27 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) ioctl$RNDCLEARPOOL(r0, 0x5206, &(0x7f0000000280)=0x1f) unshare(0x20000) sync_file_range(r0, 0x5, 0x50, 0x1) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:27 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000780)='/dev/hwrng\x00', 0x218100, 0x0) setsockopt$inet6_MRT6_DEL_MFC(r1, 0x29, 0xcd, &(0x7f00000007c0)={{0xa, 0x4e24, 0xfffffffffffffff8, @loopback={0x0, 0x1}, 0x3728b48}, {0xa, 0x4e22, 0x6, @loopback={0x0, 0x1}, 0x57f}, 0x112, [0x2, 0x5, 0x7, 0xe38e, 0x100, 0x3, 0xb, 0x1]}, 0x5c) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:27 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(0xffffffffffffffff, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:27 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x0) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:27 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:27 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:27 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:27 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:27 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000280)=ANY=[@ANYBLOB="c70c1624119d307c4e4825319feec53bb2127b844398866d70da94f74c7f93786f8d5f84003afe5b6393d0fed0c219783a529fd4bf4bd9770dc6737d51f61567de74bf7fd77c30fa0842f186", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) getsockopt$inet6_mreq(r3, 0x29, 0x1c, &(0x7f0000000000)={@ipv4={[], [], @multicast1}, 0x0}, &(0x7f0000000340)=0x14) connect$can_bcm(r3, &(0x7f0000000440)={0x1d, r4}, 0x10) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:27 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x0) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:28 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) [ 168.151885] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:28 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(0xffffffffffffffff, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:28 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:28 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:28 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:28 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:28 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) r4 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x100000000800) getsockopt$inet_sctp_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x8, 0x0, 0x0, 0x7, 0xdfc}, &(0x7f00000000c0)=0xa) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000100)={r5, 0x4, 0xf0b, 0x1, 0x6, 0x996}, &(0x7f0000000140)=0x14) ioctl$KVM_GET_REG_LIST(r4, 0x4018920a, &(0x7f0000000080)) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:29 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$KVM_INTERRUPT(r3, 0x4004ae86, &(0x7f0000000280)=0x80000001) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:29 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x0, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:29 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:29 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = openat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x100204000, 0x5) getsockopt$IP6T_SO_GET_REVISION_MATCH(r1, 0x29, 0x44, &(0x7f0000000100)={'ipvs\x00'}, &(0x7f00000001c0)=0x1e) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:29 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:29 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:29 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:29 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(0xffffffffffffffff, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:29 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:29 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)=ANY=[@ANYBLOB="05080000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:29 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, 0xffffffffffffffff, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:29 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:30 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x0, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) shutdown(r0, 0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:30 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, 0xffffffffffffffff, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 3: r0 = timerfd_create(0x0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect(r1, &(0x7f0000000040)=@pptp={0x18, 0x2, {0x0, @multicast2=0xe0000002}}, 0x20) mmap(&(0x7f00009cb000/0x2000)=nil, 0x2000, 0x1000002, 0x30, r0, 0x0) readv(r1, &(0x7f0000000600)=[{&(0x7f0000000000)=""/146, 0x92}], 0x1) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) ftruncate(r0, 0x401) writev(r0, &(0x7f0000000540)=[{&(0x7f00000001c0)="0cf24529937266aa4e342c33987a9b1786bf1a2ed88ab7a52198a77b5e18112a5455341a8a6f5f78e781c8f4a7063b168880148a151ca60f7d9f21db707241143c402635b3c1c85c03e49cbc225a14e89968cfcf430c60c6dcc3ded5b8c0c38e0c58f2ed275a9f17c1ad283b21d272973eafedd235a9f406148540a18d04963fd88d41966e6c4e944a6c5f6676e0a46fde53be61d1918a5db48b76159589", 0x9e}, {&(0x7f00000000c0)="330fab80c4761bc6ebfca2840e41e1e440db691e07493fc7f23633decf7c1bd368a3c004dc553a23d74c76bb3ab3be735a73976204605e5f1802", 0x3a}, {&(0x7f0000000100)="770cdae943898c2a43", 0x9}, {&(0x7f0000000280)="bcbda4186d1f6101c11e89e14e4acee2d5fff4bfc24a397b949289fe6ba2a08fbcd730ef3e91bff1858da387f349804bb0e0ce36211f87e48aafe67fba6346740eccaef2e1055a69e8ca05302fa55e3484fa3efad232bdf099e0a6dec57e8342516524692f9d05132f5a98dd", 0x6c}, {&(0x7f00000003c0)="75534facd9d6def12b1f26939d49b2f862bf59b4d25a87f562045c037cdf6f0567165a7a8b9185270301284590c597c098357f812f6e0200f9998d6fe95992a9b2ba33e98ba1f40cd9863933a1d17b197fa52cd4e23e8c2a68a76e31d4ad482e9a6227b942299cd39eab0b88c6fdd5387817f9361cff26a05363384594236cf6009143fe159892a848ad71498a26ddaa43c64f56ffeaa59fe6f2eca6daed50a61f4d0dcbc2ecacc770d487adbea52ad86a4b69c578c8fbef478216cb266f95a90378e4a799d42e2d3db3259ad4a36f7d1107d7df146e48f54bfb334ab5e7d6de54efea8cf14f60670d38a81e5d08c5ac9d2aafc2a04e8ba5c12a5041", 0xfc}, {&(0x7f0000000300)="81ffe71d15de8b2c02b56fa31f229fc17003631fa184d90d6e588c43a6e5aecc213daf08e1f15c4eb99f068d58b237976ade65dffedc4280398c62198aa9591adbb467a7b21ea30ade75420ed6ce951e0c54720fbd178647c34e20c220a2", 0x5e}, {&(0x7f00000004c0)="14877a4681efb3b8f64cedf6b3c624c1d4a2cdb223d5e17e4b6f4535eabb7699337e2c7f2b7e76bd8d2b36923bc5862b91d94495dcb05e7b0f734cb78cc508ecf86e34a07adbcd147f2e452126fb515bb2c7c1e5390a6d47faeda955146217dcac7418313ea0f85797770b1aeab98c2b4c", 0x71}], 0x7) sysfs$3(0x3) 2018/03/31 06:55:30 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:30 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f00001b3000)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_LOG_BASE(r1, 0xaf01, &(0x7f0000307000)=&(0x7f0000989fff)) ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f0000000000)=ANY=[]) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000007c0)='/dev/hwrng\x00', 0x800, 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r2, 0x800442d4, &(0x7f0000000500)=0x4) ioctl$sock_ipx_SIOCIPXNCPCONN(r2, 0x89e3, &(0x7f0000000900)=0x2c3e40be) r3 = eventfd2(0x0, 0x0) ioctl$VHOST_SET_LOG_FD(r1, 0x4004af07, &(0x7f0000000640)=r3) r4 = accept$netrom(0xffffffffffffffff, 0x0, &(0x7f0000000000)) ioctl$sock_SIOCGPGRP(r4, 0x8904, &(0x7f0000000440)) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f0000df5fd8)={0x0, 0x1, &(0x7f0000000200)=""/105, &(0x7f0000bf6000)=""/228, &(0x7f0000000080)=""/199}) fstatfs(r4, &(0x7f0000000880)=""/96) ioctl$sock_inet_SIOCDARP(0xffffffffffffffff, 0x8953, &(0x7f0000000800)={{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xc}}, 0x0, {0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 'teql0\x00'}) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f00000004c0)={0x1, 0x0, &(0x7f000062a000)=""/167, &(0x7f0000aac000)=""/21, &(0x7f00002fdf52)=""/174}) ioctl$VHOST_SET_VRING_KICK(r1, 0x4008af20, &(0x7f0000000540)={0x0, r3}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000780)='./cgroup/syz0\x00', 0x200002, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r1, 0x4004af61, &(0x7f00000001c0)=0x4081) prctl$void(0x20) ioctl$TUNGETFEATURES(0xffffffffffffffff, 0x800454cf, &(0x7f0000000480)) ioctl$VHOST_SET_VRING_KICK(r1, 0x4008af20, &(0x7f0000000580)={0x0, r3}) ioctl$TUNATTACHFILTER(0xffffffffffffffff, 0x401054d5, &(0x7f0000000180)={0x5, &(0x7f0000000040)=[{0x0, 0x4, 0x0, 0x4}, {0x2, 0x80, 0x3, 0x3f}, {0x0, 0x1, 0x2b58d827}, {0x100, 0x2, 0x3, 0x400}, {0x4, 0x7ff}]}) ioctl$VHOST_SET_VRING_ADDR(r1, 0x4028af11, &(0x7f0000000400)={0x0, 0x1, &(0x7f0000000280)=""/62, &(0x7f00000002c0)=""/209, &(0x7f00000003c0)=""/63, 0x32761109184b6163}) r5 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/qat_adf_ctl\x00', 0x840, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r5, 0xc04064a0, &(0x7f0000000740)={&(0x7f0000000600)=[0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000680)=[0x0], &(0x7f00000006c0)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000700)=[0x0, 0x0], 0x5, 0x1, 0x4, 0x2}) unshare(0xc030200) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000940)=ANY=[@ANYBLOB="651c1454aed4cffdd0ed000000006f709a773813c16420451d9cc5910294e48f8f28daea3edb6190ddfc212d0260da22dda21980f59cf855224ca9e82294c423f6cff37538ae3a10c43b5fb0a108c80c3f403e6eb5fbd1742e1a8eb09201b4d4ce4631900985c6a0a1e6ef54a45e31a05e875211e56b34ed4ba8dc40352ffaf5433b322691eb310d2ddc9fb3aeb1a08857ae28a1e6b2", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r6, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)) 2018/03/31 06:55:30 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(0xffffffffffffffff, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:30 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x0, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, 0xffffffffffffffff, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(0xffffffffffffffff, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 170.798524] QAT: Invalid ioctl 2018/03/31 06:55:30 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x0, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 170.853533] QAT: Invalid ioctl 2018/03/31 06:55:30 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:30 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="0500010042d560cb4a17ffa3e34c6a00dbc00215ecbcb927adcbbc3f7ca65168773dc48f07bed29e95588d8bdfb1ec3aac5a168f0810244a5d814b90244b83eff45aa11586988f01027431cf3fa9a4bcf51ad028d265a8fa042de9fc4009f29af8375a8efb4dc72f6e28388d4479cb016b291fbe4b28efcbfa20071f8cd502b736d76d53423bed9873827c46fafa08", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) fstat(r0, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000800), &(0x7f0000000840)=0x0, &(0x7f0000000880)) lstat(&(0x7f0000000c00)='./file0\x00', &(0x7f0000000c40)={0x0, 0x0, 0x0, 0x0, 0x0}) r7 = getegid() getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000001240)={{{@in6, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@ipv4={[], [], @broadcast}}}, &(0x7f0000001340)=0xe8) r9 = getgid() sendmmsg$unix(r0, &(0x7f00000013c0)=[{&(0x7f0000000500)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000740)=[{&(0x7f0000000580)="042736ea3f7afcc30f78b2b3c1f68dcbf7b08e94034c21fd92ca30340a0f9c684613dde70c96ab4a3a5549cf5922abea741ddea61090546881e115188eee906a8ab822d42e0a358d2fe0616be58d50b562de0595a8bec0d3ea188292af516ab4509688a0f46facc3bf0a767da9e09f621f978ada6cebd9250e6dc0c3e8085f3d29e826a877daa539f1595265493e5f654cb11833a684bf3407c710db10205cf786dc86e49104bc3a1bbd3a92b97f6b", 0xaf}, {&(0x7f0000000340)="a2a21fef23288f9febcdd9e58a77c81a0df857db221f160763c938e8d22f2ab3eb2dada7f287", 0x26}, {&(0x7f0000000640)="2732ce1934e2e3e5b6e71917a22d99bde5bb1d33d8c881f57767ba57b4039bbcb10990e66fda4686ac63f79d811fa29084324455c4778d2b7398d061788ebe272fbdd04f87889060db3f1ebcde3660d8f35b0d302c3d9fc92036bb892616a1e733aa6b1c030bce7f3841d47603068d17bbf2d953ed9e317352c56259df7b75cbadf7ceda9a88222a91f894453bc074a8b95eb422b8d63054f17d78f499cdde641e92c88e8f4bd4506a3f661aa11ad31b52a9f2ea79f4914b57c4c65c268c46c248077b0630f059d2d7", 0xc9}], 0x3, &(0x7f00000008c0)=[@rights={0x20, 0x1, 0x1, [r1, r0, r0, r1]}, @cred={0x20, 0x1, 0x2, r3, r4, r5}], 0x40, 0x845}, {&(0x7f0000000900)=@abs={0x1, 0x0, 0x4e23}, 0x6e, &(0x7f0000000bc0)=[{&(0x7f0000000980)="3324c94755b1c3e4e65ae8b658c146ea8ed7b6e3f09981c386236164fa61a69d94f30c988c343609b4afe5f03b174c210dbaa4f0907db443884b7ab75c377a46f5ff9c11128a752003e2578618b7e6903aeb485b3bc560ecf3fdb191b000f3dfd4cf6ec8c6011d8e6111b9ada06abfbbc28b23e321bd", 0x76}, {&(0x7f0000000a00)="59a93d04dc56a28bee7e60b9c467657fd2b825fbe06739523fd8ee69c3be211d4432d98a0ea0e40733aeeeebeb3a79bff22e114ff76f0a9bb5306a37e17ae47e496d2bf2d091b3bc2723b4ec0857e55337d86c75beeacf16c9173b2b8f899ad1bdca3ed19875a12ec78c5869311ed8582a49cccacd75bb83fec6a1976540e186fe841b125eddc700b314c6c396a05e422b9f69dc4290277d3d44ffda68b1a94ac06c3e", 0xa3}, {&(0x7f0000000ac0)="15fb62a8c96a6f635caba7652942508722f0468961cdf22203fd5117ac06c0135a2d5384d6f28cc3c0a7672eb5f822aae376436e27cdb646f56e5ad7ebfc6f294650a376f5097c33044756635bb70845b39bb091de5f5537a147a43ac408572fc00d5040f4d079a8984ac816f17a9f7d6b14cabbab4eb0414cf8c55b12d6e2da17c712459ae61f95005dea3d7aed63b02541cb3ade190aeff608f8f833028752fdfd2257a80abe257fab57d10fd085d24c077f691ef18e8691790f", 0xbb}, {&(0x7f0000000b80)="6cb2b07e5e77d028cb5ee366b9efc33b42326a6653054c5954e7f97cf329c369b0e76ce749d7d5a7b98b1059d12cddc3", 0x30}], 0x4, &(0x7f0000000cc0)=[@cred={0x20, 0x1, 0x2, r3, r6, r7}], 0x20}, {&(0x7f0000000d00)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000fc0)=[{&(0x7f0000000d80)="0bdee5fdb3f72338bead967f195bc5b2303e4d22b4efb5fe2f3385b93b2f9d6473ca16205aaa67376f226809da55b4bfa154317030de7b2cd8f915b5c7ce79c4bfb16aeb5130a39d77eb8a6eaafc531fb5436e7ce11a0ae4e560f75cdbd21491a9d7d6f7b10ac958bd613ab66dfba8b399ef99c0a701fd8ef521e5f6ec51e8ee0b9d63a405169ba9a6e00b0d846a0ab2e1a3f212b9bfad7b8b2b7cc22204010e14addc74d8f5fec9d8b6f6ec114bc80a2c4d19e9d19d50bf928e1c0583fe229cc551d2", 0xc3}, {&(0x7f0000000e80)="87b43a453f21723ce557d4b9a7577783fe0740df9a05f5d81b9a09b61b09eda74aacfca79824d9da3209866d5d7ea8850bd262e411a75bba96b5256e2e7bf859999d97d24b08bef51ab4668dd953a080b1bdc5d024ee770618dfe0c58f1b142368047cc2c6d4e4fc66ce0741b65a", 0x6e}, {&(0x7f0000000f00)="98ee6712d7d411539bc2f3385d6a2dd3d9a8e69c3b55c05d2cf7bb1547d45a32da9271909aef87c0c2a95adfc99e9bd066f1fd71a8209fc409880db453bb4d3b1f31970e0357a91044e6a423c235e9641ef6060a29262d4c50aca0f75151ff5496f4fbfede8153b1bf2e12091063ff63f9b47df534c4c78b39f57bad9118f13f93a14d791902eeb26c5e9eec0664e0fb173836de278f7af0c17910ff76", 0x9d}], 0x3, 0x0, 0x0, 0x4814}, {&(0x7f0000001000)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000001200)=[{&(0x7f0000001080)="a92b6a8f8867106c10699e8b2e2a9de9bf6375391edcdd2056349ec0c877614b7dd1f858d895cffea6f3f27fcbc8fbe7b884654dfac19d7756597750e07ec0a4e4db2958fe7a3f9d6b229449", 0x4c}, {&(0x7f0000001100)="cf15165f6e9a1a259cf9c3517085d3c0acfc3b3858f98f883c3e1241c2cf82d8452bf6f0029afa4487515612501e261908e28575d9992dec538b85652031f7625bce626efcd7ca7315f7a257a1", 0x4d}, {&(0x7f0000001180)="0d31fec50388f9543366c8e04acf001fdeedfbc5156b52613da22ff8346be7884d2c5005dee456788c451a6ede99deec919f9aa0cb9f528488c9fb09eb5fafb4cf6fea5a1ff78e85c70ce2f9a52d58c31e7cccd8b085ae631a7c2ab5520cad5142ba9476e6fafd4f1f5e144656323e7ac73db54db83f", 0x76}], 0x3, &(0x7f0000001380)=[@cred={0x20, 0x1, 0x2, r3, r8, r9}], 0x20}], 0x4, 0x8800) r10 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r10, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r10, 0x28, 0x2, &(0x7f0000000040), 0x8) getpeername$unix(r0, &(0x7f0000000280), &(0x7f0000000000)=0x6e) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:30 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x0, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:30 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(0xffffffffffffffff, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 3: r0 = accept$alg(0xffffffffffffffff, 0x0, 0x0) dup(r0) readv(0xffffffffffffffff, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) readv(0xffffffffffffffff, &(0x7f0000000640)=[{&(0x7f00000000c0)=""/19, 0x13}, {&(0x7f00000001c0)=""/239, 0xef}, {&(0x7f00000002c0)=""/94, 0x5e}, {&(0x7f00000003c0)=""/103, 0x67}, {&(0x7f0000000440)=""/200, 0xc8}, {&(0x7f0000000540)=""/234, 0xea}, {&(0x7f0000000100)=""/60, 0x3c}, {&(0x7f0000000340)=""/20, 0x14}], 0x8) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:30 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) sync() lseek(0xffffffffffffffff, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:30 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:30 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) connect$pppoe(r0, &(0x7f0000000280)={0x18, 0x0, {0x4, @random="a922ad80f20d", 'gretap0\x00'}}, 0x1e) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000340)={r1, 0x7}, &(0x7f0000000440)=0x34d) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x401, 0x80100) ioctl$DRM_IOCTL_MODE_GETCRTC(r3, 0xc06864a1, &(0x7f0000000480)={&(0x7f00000002c0)=[0x6, 0x0, 0x6], 0x3, 0xdcb5, 0x6, 0x2, 0xffffffffffffffff, 0x7, {0x3ff, 0x3ff, 0x40, 0xff, 0x3, 0x5, 0x8, 0xfffffffffffffff9, 0x80000001, 0x4, 0x1, 0x8001, 0xb32e, 0x2, "31f2e8f4f9560b78e76594d7eca8f6e201dd6ae6fefa8e7bf814aaba7e1c4485"}}) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ioctl$TCSETSF(r3, 0x5404, &(0x7f0000000180)={0x20, 0x3ff, 0xfffffffffffff2c6, 0x1, 0x101, 0x2, 0x72, 0x3, 0x7, 0x100, 0x9, 0x7fffffff}) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x268) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:31 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:31 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r2, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:31 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 171.212831] print_req_error: 24 callbacks suppressed [ 171.212836] print_req_error: I/O error, dev loop0, sector 0 [ 171.240286] print_req_error: I/O error, dev loop0, sector 0 [ 171.246519] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:31 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) sync() lseek(0xffffffffffffffff, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:31 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x0, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 171.412494] print_req_error: I/O error, dev loop0, sector 0 [ 171.418590] print_req_error: I/O error, dev loop0, sector 0 [ 171.451391] print_req_error: I/O error, dev loop0, sector 0 [ 171.472872] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:31 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:31 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:31 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) sync() lseek(0xffffffffffffffff, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:31 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="0a000800de34d5f076210c04c9d8cf01d4fe57903d393b849c0418b2cc6ef53025f6ae0dc58f1288eb1fdff39363d2f9ab9a48a0e2322c9d46a45a5ab8170000000000000000000000006bec30e3e4cb0913a19267488b98da395bf5f959a7df694aa98197a568f13662a239f8a2dbf2424a1bea59f95845bf0668082ac65a27c83fde3c5d3415fe6be1feb70c3924976c5e2c7d273d6af7fec92d77b0235e201ff3963968100d517776d00f0368bc70b946c1e917ed78c40b343c761492f529b1f45729f457715316a393c3cdf5eee913abf4e6a51f9b37680100", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:31 executing program 3: r0 = timerfd_create(0x0, 0x0) readlink(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)=""/10, 0xa) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = fcntl$getown(r0, 0x9) waitid(0x3, r1, &(0x7f00000002c0), 0x100000a, &(0x7f00000003c0)) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x2000, 0x0) epoll_pwait(r2, &(0x7f00000001c0)=[{}, {}, {}, {}, {}, {}, {}], 0x7, 0x2, &(0x7f0000000100)={0x8000000004}, 0x8) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_alloc(0x0, 0x1) pkey_alloc(0x0, 0x2) r3 = pkey_alloc(0x0, 0x2) pkey_free(r3) 2018/03/31 06:55:31 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0x0) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:31 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) [ 171.653765] print_req_error: I/O error, dev loop0, sector 0 [ 171.679482] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:31 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:31 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:31 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:31 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:31 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 171.726475] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:31 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000280)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:32 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:32 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:32 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:32 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:32 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:32 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="86a4a1c54e4bfea0c33d29bc1ce285e6b9686e660a7b2b7f26260bf9a3ab885feffe1b377ca877069c1013352be096508aa850b55c1ca39d21a90ffef788eb69d616c3ddd25156e068391f16f14654c01f7c5f8f91e6e23b3d7a678a7e5df91c24f90a92541b8bb1c7672db8b526e7cb58b78e6f6994c913ac02ff6a0449f5026a264507c3c9bc4ab02a72a8de937e357010d8a2a7c4e6443ca3eadb81136e845539e134d44ce8ad94e0b929bb6cd9d63d6aec751941d538dd313a016e94d5d67aa34c357b62cb45fca1b9d81fa10b24e3532f174878127a3f042691aa85554c", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) ioctl$EVIOCREVOKE(r0, 0x40044591, &(0x7f0000000280)=0xfff0000000000000) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000000)=[@in={0x2, 0x4e23, @multicast1=0xe0000001}, @in6={0xa, 0x4e22, 0x8, @ipv4={[], [0xff, 0xff]}, 0x100}], 0x2c) 2018/03/31 06:55:32 executing program 3: r0 = timerfd_create(0x0, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x100, 0x0) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r1, 0x800448d2, &(0x7f0000000300)={0x2, &(0x7f00000001c0)=[{}, {}]}) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) sendfile(r1, r0, &(0x7f0000000340), 0x4) openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x4c0203, 0x0) 2018/03/31 06:55:32 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:32 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:32 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={r3, 0x28, &(0x7f0000000280)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000340)={r4, 0x0, 0x10}, 0xc) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:32 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:33 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x0, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:33 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:33 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:33 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:33 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:33 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="050000000a6feb9e9a7f25e468b95a410a037d58a3e7b373f78705f8c29e8e40221e2693abe0f291deca21e4051f8cf3e9329f9939d315564679e0f6550a2c862c04f6ec5bc0cb0c4241a44d4eb739ba10f531fa14cfd885c29bf9d1a401c93ad2c040d59fcfdb07113f3f6bb594f3f53e4dfe848aec50bb6987453b0ecfc50b4d398ad2dafd231e34088ca3e884a550218d2edc431d2dfd234704e1bf5534a6b36cb4d43815fd6f75d18220d7", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r4, 0x84, 0x71, &(0x7f0000000000)={r2, 0x81}, &(0x7f00000002c0)=0x8) setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000280)) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:33 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x0) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:33 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x101002, 0xa1) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000100)={0x100000001, 0x401, 0xffffffff, 0x8, 0x2, 0x8}) 2018/03/31 06:55:33 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:33 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000280)={0x5, 0x20, 0xffff, 0x6, 0x0, 0xfff, 0x4, 0xfff, 0xffff, 0x6, 0x2}, 0xb) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:33 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:33 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:34 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:34 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000240)=0x29e) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:34 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x0, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:34 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:34 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:34 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:34 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:35 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0x92}], 0x1) clock_gettime(0x0, &(0x7f0000000100)) clock_nanosleep(0x0, 0x0, &(0x7f0000000200)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:35 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x0, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:35 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000002c0)=ANY=[@ANYBLOB="f46dedbee625af", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") ioctl$TIOCLINUX7(r0, 0x541c, &(0x7f0000000280)={0x7, 0x8}) setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a91000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:35 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:35 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:35 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000240)=0x29e) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:35 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000280)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:35 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x0, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:35 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:35 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000000240)=0x29e) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:35 executing program 5: unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r1 = syz_open_procfs(r0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r0}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:36 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20002) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="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", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") ioctl$TIOCSBRK(r3, 0x5427) setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f0000000280)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:36 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:36 executing program 5: unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r1 = syz_open_procfs(r0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r0}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:36 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:36 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:36 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x0, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:36 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:36 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x6, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:36 executing program 5: unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r1 = syz_open_procfs(r0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r1, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r0}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:36 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:36 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) getcwd(&(0x7f0000000440)=""/250, 0xfa) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) munlock(&(0x7f0000a93000/0x2000)=nil, 0x2000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:36 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x0, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:36 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:36 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 176.459616] print_req_error: 26 callbacks suppressed [ 176.459621] print_req_error: I/O error, dev loop0, sector 0 [ 176.470544] print_req_error: I/O error, dev loop0, sector 0 [ 176.485015] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:36 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:36 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) [ 176.662198] print_req_error: I/O error, dev loop0, sector 0 [ 176.679071] print_req_error: I/O error, dev loop0, sector 0 [ 176.692346] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:37 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:37 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x0, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:37 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) sigaltstack(&(0x7f0000a91000/0x4000)=nil, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) ioctl$GIO_UNIMAP(r3, 0x4b66, &(0x7f00000002c0)={0x9, &(0x7f0000000280)=[{}, {}, {}, {}, {}, {}, {}, {}, {}]}) 2018/03/31 06:55:37 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:37 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:37 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:37 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:37 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x0, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:37 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x0) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:37 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:37 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f0000000280), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ioctl$VT_WAITACTIVE(r3, 0x5607) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000440)=[@in={0x2, 0x4e24, @rand_addr=0x3}, @in6={0xa, 0x4e24, 0x400, @mcast2={0xff, 0x2, [], 0x1}, 0xe4a}, @in6={0xa, 0x4e22, 0x2, @empty, 0xdd21}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in={0x2, 0x4e23, @broadcast=0xffffffff}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in6={0xa, 0x4e20, 0x37, @empty, 0xfff}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xf}}, @in6={0xa, 0x4e23, 0x15, @mcast1={0xff, 0x1, [], 0x1}, 0x14}], 0xc0) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:37 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:37 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 177.649569] print_req_error: I/O error, dev loop0, sector 0 [ 177.655513] print_req_error: I/O error, dev loop0, sector 0 [ 177.680868] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:37 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x0, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:37 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:37 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 177.742713] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:38 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:38 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:38 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:38 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000500)={r1, 0x5}, &(0x7f0000000340)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) getxattr(&(0x7f0000000280)='./file0/file0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73656375726974792e7b5b726f6376626f786e118a00000000000025776c616e306d643573756d736563757269747900"], &(0x7f0000000440)=""/161, 0xa1) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:38 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:38 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x0, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:38 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:38 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x82, 0x0) ioctl$EVIOCSFF(r1, 0x40304580, &(0x7f0000000100)=ANY=[@ANYBLOB="5500ff0701000200040000000000000001801f0000008e68050002000100060005007a00ff070000"]) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_alloc(0x0, 0x1) pkey_alloc(0x0, 0x2) pkey_alloc(0x0, 0x1) pkey_alloc(0x0, 0x1) r2 = pkey_alloc(0x0, 0x3) pkey_free(r2) 2018/03/31 06:55:38 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:38 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:38 executing program 0: r0 = open(&(0x7f0000000340)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) getsockopt$inet_sctp_SCTP_EVENTS(r3, 0x84, 0xb, &(0x7f0000000280), &(0x7f00000002c0)=0xb) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) finit_module(r3, &(0x7f0000000300)='selinux]systemcgroupmime_typekeyringself#\x00', 0x1) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:38 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:38 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x0, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:38 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:38 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:38 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x0, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:39 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000280)={'ipddp0\x00', 0x802}) 2018/03/31 06:55:39 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:39 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) recvmsg(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000001c0)=""/149, 0x95}, {&(0x7f00000000c0)=""/23, 0x17}, {&(0x7f0000000280)=""/162, 0xa2}], 0x3, &(0x7f00000003c0)=""/223, 0xdf, 0x1}, 0x12000) r1 = timerfd_create(0x0, 0x0) readv(r1, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:39 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:39 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(0x0, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:39 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:39 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:39 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:39 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x0, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:39 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:39 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:40 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:40 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ioctl$sock_inet_SIOCSIFNETMASK(r1, 0x891c, &(0x7f0000000280)={'dummy0\x00', {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:40 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) syncfs(r0) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) socketpair(0x5, 0x80800, 0x7, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ASHMEM_SET_NAME(r1, 0x41007701, &(0x7f0000000100)='\x00') 2018/03/31 06:55:40 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:40 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x0, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:40 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:40 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:40 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:40 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:41 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x0, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:41 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) sigaltstack(&(0x7f0000a92000/0x4000)=nil, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:42 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x0, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:42 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x0, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:42 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(0xffffffffffffffff, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:42 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000100), 0x0) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) readv(r0, &(0x7f00000000c0)=[{&(0x7f00000001c0)=""/131, 0x83}], 0x1) 2018/03/31 06:55:42 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="08000000153d689123b5430a3834b4c805ee6dc2de481aaaf12a3147ded856510991501134e59aabeac6c2e0b17a793f7db0c56a001a9c1f0de2d0bae67e5bc284b9e4ab3cc409408bc2c912833d76bfd1f4afb3e987b18b27415dd5e01cdc39d93771838961d8eac51e44ede5315999d8ad498feda687ab43874089f5d720524a143fb0cd4a998ded051e7c012a", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f00000002c0)=0x24) setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) readahead(r0, 0x1, 0x101) r4 = syz_genetlink_get_family_id$fou(&(0x7f0000000340)='fou\x00') sendmsg$FOU_CMD_ADD(r0, &(0x7f0000000580)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r4, 0x20, 0x70bd26, 0x25dfdbff, {0x1}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e21}, @FOU_ATTR_AF={0x8, 0x2}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_TYPE={0x8, 0x4, 0x3}, @FOU_ATTR_AF={0x8, 0x2, 0xa}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000080}, 0x80) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:42 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x0, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:42 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x0, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:42 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:42 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000280)={0x0, 0x22, "47fc5cf6b9b9391659a918288102a0f125e02621dfe82ad9d995e5f3e3170a777bb5"}, &(0x7f00000002c0)=0x2a) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000440)={0x0, 0x98, "eda8f4578c69d48dd307152b2a4cfe8bcb021803f0d97c56d56ff0bd8719b5192b5984f45b5365ba2aa9add471c553b58659271d0752e2ca17301f9de3703daacc76279651ea22375cacf7262e7abc68d61ff4acea9487ad189c5e2a2ddd041f0e862fd5961e320e6f0c4fca6fc573ba6d083f1aa74a781fb8765ecdfaf9e2054fd2efbd7b001fe6a6e6ffe30a31d57127ff089afc64f1c8"}, &(0x7f0000000340)=0xa0) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000500)={r1, 0x80000001, 0x4, 0x401, 0x3f80000000000000, 0x7f, 0x0, 0x8d, {r2, @in={{0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x3, 0x7c, 0x2, 0x8001, 0x68}}, &(0x7f00000005c0)=0xb0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r4, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r6 = syz_open_procfs(r5, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r6, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r6, 0x28, 0x2, &(0x7f0000000040), 0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000600)={r3, @in6={{0xa, 0x4e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x1eb}}}, &(0x7f00000006c0)=0x84) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) [ 182.411596] print_req_error: 23 callbacks suppressed [ 182.411602] print_req_error: I/O error, dev loop0, sector 0 [ 182.422511] print_req_error: I/O error, dev loop0, sector 0 [ 182.448536] print_req_error: I/O error, dev loop0, sector 0 [ 182.454938] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:42 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x0, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:42 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(0xffffffffffffffff, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:42 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000440)={{{@in=@dev, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@local}}, &(0x7f00000002c0)=0xe8) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000340)={0x0, 0x0, 0x0}, &(0x7f0000000540)=0xc) chown(&(0x7f0000000280)='./file0\x00', r4, r5) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:42 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x0, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:42 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 182.615177] print_req_error: I/O error, dev loop0, sector 0 [ 182.646893] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:42 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0x0, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:42 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x0, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) [ 182.683811] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:42 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(0xffffffffffffffff, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(0xffffffffffffffff, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 182.729782] print_req_error: I/O error, dev loop0, sector 0 [ 182.844098] print_req_error: I/O error, dev loop0, sector 0 [ 182.868189] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:43 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:43 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x0, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:43 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:43 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000280)=0x5e) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:43 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:43 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0x0, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:43 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:43 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) sendto$unix(r0, &(0x7f00000000c0)="f2803c28ff80b265de61c02ad869c1", 0xf, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:43 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x0, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:43 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0xffffffffffffff17, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:44 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x0, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:44 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:44 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) accept(0xffffffffffffffff, &(0x7f00000000c0)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, &(0x7f00000001c0)=0x80) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000240)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x30, r2, 0x0, 0x70bd29, 0x25dfdbfc, {0x11}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x8004}, 0x40000) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:44 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0x0, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:44 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={"626f6e71391d9b4a89aea400", 0x400}) 2018/03/31 06:55:44 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:44 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000005c0)=ANY=[@ANYBLOB="3578a75fdd1f250cd8941b50d70bf9bb4bdabf5254595718c3b9461e0e0000520c1f352f399ca86bdb5d12e9059ac3f35875c0e9962434ee06ba6d660afe6282b19ffc1792784c0d6709a5adc81cd04724d7487ae0d26d82e96f890400000019152ef73fdc09e9346d8b3096977decf0557f44b130c65423cd384ccd216d07", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000002c0)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000340)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x80000) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000500)={r4, @in={{0x2, 0x4e21, @multicast1=0xe0000001}}}, &(0x7f0000000000)=0x84) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) dup(r0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:44 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:44 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:44 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:44 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ioctl$TIOCGETD(r0, 0x5424, &(0x7f0000000340)) ioctl$sock_SIOCSIFBR(r3, 0x8941, &(0x7f00000002c0)=@add_del={0x2, &(0x7f0000000280)='ip6tnl0\x00', 0xaf9}) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:44 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:44 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:44 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:45 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:45 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)=ANY=[@ANYBLOB='O\x00.<', @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:45 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:45 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r1 = syz_open_dev$vcsa(&(0x7f00000000c0)='/dev/vcsa#\x00', 0x7, 0x4080) ioctl$EVIOCGRAB(r1, 0x40044590, &(0x7f0000000100)=0x1) 2018/03/31 06:55:45 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:45 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$VT_ACTIVATE(r0, 0x5606, 0x9) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:45 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080), &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:45 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:45 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:45 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:45 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(0xffffffffffffffff, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:46 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:46 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 3: r0 = timerfd_create(0x1021000, 0x807ff) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r1 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x6, 0x280442) write$vnet(r1, &(0x7f0000000300)={0x1, {&(0x7f0000000240)=""/132, 0x84, &(0x7f00000003c0)=""/148, 0x3, 0x4}}, 0x68) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f00000001c0)={0xffff, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x4e22, @loopback=0x7f000001}, {0x2, 0x4e20, @multicast2=0xe0000002}, 0x140, 0x629b, 0x4, 0x7, 0x1ff, 0x0, 0x10000, 0xbfd, 0x52}) ioctl$ASHMEM_GET_PROT_MASK(r1, 0x7706, &(0x7f0000000100)) 2018/03/31 06:55:46 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0xfffffffffffffe28) ioctl$sock_inet6_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000280)) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)='wchan\x00') setns(r3, 0xfffffffffffffffc) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:46 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x0, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:46 executing program 0: ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f00000002c0)=0x0) r1 = syz_open_dev$midi(&(0x7f0000000340)='/dev/midi#\x00', 0x10001, 0x200) perf_event_open(&(0x7f0000000440)={0x7, 0x70, 0xffffffffffffff6b, 0x8, 0x6f5, 0x400, 0x0, 0x5, 0x28000, 0x2, 0x8, 0x7, 0x2, 0x80000000, 0x2, 0x400, 0x2, 0x401, 0x80000001, 0x1000, 0x4, 0x1c08, 0x401, 0x2, 0x9, 0x8000, 0x7, 0x3, 0x487d, 0x0, 0x4119, 0x1, 0x80000001, 0x1, 0x4, 0x2, 0x20, 0x1, 0x0, 0xfffffffffffffff7, 0x5, @perf_bp={&(0x7f0000000280), 0x8}, 0x1, 0x800, 0xfffffffffffffff7, 0x3, 0x4, 0x101, 0x1}, r0, 0x2, r1, 0x2) r2 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r2, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000140)={r3, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000380)=0x0) r5 = syz_open_procfs(r4, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r5, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000c51000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r5, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:46 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:46 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:46 executing program 3: r0 = timerfd_create(0x0, 0x7ffd) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x20000, 0x0) getsockname$ipx(r1, &(0x7f0000000100), &(0x7f00000001c0)=0x10) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:46 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)='attr/current\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) ioctl$DRM_IOCTL_GET_UNIQUE(r3, 0xc0106401, &(0x7f0000000280)={0xa0, &(0x7f0000000440)=""/160}) 2018/03/31 06:55:46 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:46 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) fallocate(r4, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:46 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TCGETA(r3, 0x5405, &(0x7f0000000280)) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:47 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:47 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, 0xffffffffffffffff) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 187.492623] print_req_error: 35 callbacks suppressed [ 187.492628] print_req_error: I/O error, dev loop0, sector 0 [ 187.541849] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:47 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 3: r0 = timerfd_create(0x3ffff00000000, 0x7fd) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x4, 0x100003, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) 2018/03/31 06:55:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(0xffffffffffffffff, r5, 0x0, 0xc08f) r6 = dup2(r0, r0) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) personality(0x5000007) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:47 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:47 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 187.740476] print_req_error: I/O error, dev loop0, sector 0 [ 187.770330] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:47 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYBLOB="810000006e000000000000009d73ac08c84c8d461d874c8b3c6f0554c4508001693cfda0cac5d8fd9ce719ca05f48a599638371bc2aa5257b6054a03590a46f97e05f35fa29f6e30643142c3a37edde36c342efe13a067617c4c3b4c2a20de9925590a8f2f146063acfff1ad53dd1fbd59fcf6822656b4fd0126", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) ioctl$VT_GETSTATE(r0, 0x5603, &(0x7f0000000000)={0x1, 0x0, 0xffff}) chmod(&(0x7f0000000280)='./file1\x00', 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r1, &(0x7f0000000680)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20100000}, 0xc, &(0x7f0000000640)={&(0x7f0000000500)=ANY=[@ANYBLOB="08010000", @ANYRES16=r5, @ANYBLOB="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"], 0x108}, 0x1, 0x0, 0x0, 0x800}, 0x1) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:47 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x0, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:47 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 187.809573] print_req_error: I/O error, dev loop0, sector 0 [ 187.823359] print_req_error: I/O error, dev loop0, sector 0 [ 187.844724] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:47 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:47 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) [ 187.997176] print_req_error: I/O error, dev loop0, sector 0 [ 188.003057] print_req_error: I/O error, dev loop0, sector 0 [ 188.026234] print_req_error: I/O error, dev loop0, sector 0 2018/03/31 06:55:48 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:48 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:48 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_alloc(0x0, 0x1) pkey_alloc(0x0, 0x3) pkey_alloc(0x0, 0x1) 2018/03/31 06:55:48 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) r1 = accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) writev(r1, &(0x7f0000000740)=[{&(0x7f0000000440)="280f309b19863d9facdf79eb86721ca1a10f1ee88100ea583f52419a71a8471c5f0644b554ad1624f39442692a40c5a9e9c1fa55d3df2cab699e4a14fed498fd018415c1d5d4ff70ea1aaa5a1e6e454a8097b3efc887cc1bf981248903e2194d7c924c23c43f46c9073b16ce81348f6b093bb6659a5c585697836510bf732e331fb37ea1e8630e52f6af58936353a72a3957f8c0286ac1d83cf282c04fc57f54e51ce42f19aa2d598c182d842468cebc4d82f3e32d315436120411345d146be424b6638681fe66f0ca1fc89775ae9b019afd57c1e92d7be72bcbdbff5eaf583f", 0xe0}, {&(0x7f0000000540)="e331cb8716b73a07f4442877127e99b933151b744d91c67421a70662161d4cfaf952590c05a85dda12a04c6009773a325529191f799d424b4daa50b7b5e04420ecdcafdfa7892cf1c7", 0x49}, {&(0x7f00000002c0)="bde3934780e5dddaadb7a65308f4a515293273fcc6e0", 0x16}, {&(0x7f00000005c0)="cfd6aed1c05247152521f01c8b2ade2284c89a10e869481bc980b925736eea8ae9737b5370d567c7adfa534c75431d11275460123111d13c776b89bfcb4acd0f2d2d37c51ffc468d62ee1833b61d4e2cc1f3ec5ca19d642eaa5328ff520f441cc4f7f7f09c81dd1209fc1a78d5b5bd40fb4bfa4beed8982fb17d6bffbf6bca4fce5fdb50e6a952cbac4e30988808294984345c0faf4c7557904c9cbcaf6c6f543fc101c8a51869dcee744b4a8af312", 0xaf}, {&(0x7f0000000680)="689247884ecb5248c72508410149353ffc87f9347ba671045bb5e0b9b73334da4c68071c3c8925a5e34b2a1bf12f6f8125be44cb4b8f9109028b176d24276520fc2831e5ddd0ae41924c3bed331d2dcca966effd7270a2676f38e2f689b4853c6b056e1a56ad05", 0x67}, {&(0x7f0000000340)='I\x00L&Dd', 0x6}, {&(0x7f0000000700)="747989d4efbb386a21c8435befea7542b2cd940a46100ec95a5a902a98ca274c47f5559a", 0x24}], 0x7) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) ioctl$TIOCMBIS(r0, 0x5416, &(0x7f0000000280)=0x81) 2018/03/31 06:55:48 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x0, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:48 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:48 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$RNDADDTOENTCNT(r0, 0x40045201, &(0x7f0000000280)=0x6) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:48 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180), &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:48 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x0, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:48 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0x0, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(r0, 0x770a, 0x0) 2018/03/31 06:55:48 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:48 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:48 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:49 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) ioctl$PPPOEIOCDFWD(r0, 0xb101, 0x0) stat(&(0x7f0000000280)='./file0\x00', &(0x7f00000004c0)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x20000007fffffe) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) syz_open_pts(r0, 0x40) ioctl$KVM_GET_SUPPORTED_CPUID(r3, 0xc008ae05, &(0x7f0000000280)) 2018/03/31 06:55:49 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:49 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x0, 0x1000, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:49 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:49 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:49 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x0, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:49 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pkey_free(0xffffffffffffffff) r1 = semget(0x0, 0x0, 0x4) semtimedop(r1, &(0x7f00000000c0)=[{0x3, 0x4, 0x1000}, {0x1, 0x1, 0x1000}], 0x2, &(0x7f0000000100)) 2018/03/31 06:55:49 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x0, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:49 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r2 = syz_open_procfs(r1, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") fcntl$lock(r2, 0x0, &(0x7f0000000140)={0x0, 0x3, 0x5, 0x5, r1}) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ptrace$poke(0x5, 0x0, &(0x7f0000000000), 0x8001) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ptrace$getsig(0x4202, 0x0, 0xb1b3, &(0x7f0000000100)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(0xffffffffffffffff, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) 2018/03/31 06:55:49 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) ioctl$TTUNGETFILTER(r0, 0x801054db, &(0x7f0000000440)=""/224) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000280)={'ip_vti0\x00', 0x5200}) 2018/03/31 06:55:49 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:50 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x0, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:50 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) r1 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x20001, 0x1) readlinkat(r1, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)=""/15, 0xf) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, 0x1c9c380}, &(0x7f0000000180)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000200), 0x4) r3 = pkey_alloc(0x0, 0x2) pkey_free(r3) 2018/03/31 06:55:50 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d8070000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x0, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:50 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:50 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r5, 0xffffffffffffffff, 0x0, 0xc08f) r6 = dup2(r0, r0) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x7fc) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) getsockopt$EBT_SO_GET_INIT_INFO(r3, 0x0, 0x82, &(0x7f0000000280)={'broute\x00'}, &(0x7f0000000340)=0x78) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:50 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:50 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r3, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000280)={0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000002c0)=0x1c) socket$bt_bnep(0x1f, 0x3, 0x4) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:50 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:50 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r5, 0xffffffffffffffff, 0x0, 0xc08f) r6 = dup2(r0, r0) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:50 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x0, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:50 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x0, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:50 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:50 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x200) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000700)=r0, 0x4) times(&(0x7f0000000640)) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) accept4$inet(r4, &(0x7f0000000680)={0x0, 0x0, @broadcast}, &(0x7f00000006c0)=0x10, 0x80000) r5 = shmget(0x1, 0x2000, 0x1000, &(0x7f0000a93000/0x2000)=nil) shmctl$SHM_UNLOCK(r5, 0xc) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$KVM_ENABLE_CAP(r0, 0x4068aea3, &(0x7f0000000280)={0xf5, 0x0, [0xff, 0x1, 0x3]}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r4, 0x84, 0x70, &(0x7f0000000500)={r2, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x13}}}, [0x0, 0x7fffffff, 0x7ff, 0x0, 0x1f, 0xf88, 0x1, 0xc041, 0x9, 0x241, 0x664, 0x5, 0x4, 0xfffffffffffffeff, 0x20]}, &(0x7f0000000600)=0x100) clone(0x100000, &(0x7f0000000740)="83386b74492525bb89e0ecf2136a39170ae79c04d96d26d59aae2ca4216b94126032373b69a5e218a299ae13431d8c233c2e4b40fc0ee81e78706bd840789df3ff89177926c85dae0f7be02a33b7e2561229a49c543bb655a5d47ce47a963cb9af29dcd44f24ef3ca00916d82a55f9a08a07340e28cc", &(0x7f0000000240), &(0x7f00000007c0), &(0x7f0000000840)="c040b67c00e6b94e173fe1a80f61ec5000a511c6ff539b589e6c6400bd5bd1c9eca64e48e60b09983acfaea21123c16948fbd3bc8cea314e043aeb7d1987011b8656b65dc603059a43da43b175de0786e46197d6c5fec570f026a5f9063d352e5ec5efb0789abc1e8705dbb9d572c4152be4f130c17b0bfd763ef1bc16be2aaa21c7e7bb05ca234ca0fd52533db479eeb4b0649ed7d572c2820f3406d58af0c11b9432dc660ac9dd36922a9ef50a35936b27aa27b8fa9fae9b0c6425d346d3029be795a0") ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000800)={'syzkaller0\x00', 0x400000000407}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000440)={r1, @in6={{0xa, 0x4e21, 0x81, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xb}}, 0x7}}, 0x5633, 0x100000001, 0xc, 0x5, 0x3}, &(0x7f0000000340)=0x98) 2018/03/31 06:55:51 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) fallocate(0xffffffffffffffff, 0x1, 0x1000, 0x1000) fallocate(0xffffffffffffffff, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(0xffffffffffffffff, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r5, 0xffffffffffffffff, 0x0, 0xc08f) r6 = dup2(r0, r0) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 3: r0 = timerfd_create(0x0, 0x0) readv(r0, &(0x7f0000000380)=[{&(0x7f0000000000)=""/146, 0xfeb8}], 0x3f2) readv(r0, &(0x7f0000001600)=[{&(0x7f00000001c0)=""/213, 0xd5}, {&(0x7f00000002c0)=""/4, 0x4}, {&(0x7f0000000300)=""/79, 0x4f}, {&(0x7f00000003c0)=""/17, 0x11}, {&(0x7f0000000400)=""/4096, 0x1000}, {&(0x7f0000001400)=""/195, 0xc3}, {&(0x7f0000001500)=""/176, 0xb0}, {&(0x7f00000015c0)=""/15, 0xf}], 0x8) clock_nanosleep(0x8, 0x0, &(0x7f0000001680)={0x0, 0x1c9c380}, &(0x7f0000000100)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x80000000003, 0x8031, 0xffffffffffffffff, 0x0) openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) 2018/03/31 06:55:51 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) 2018/03/31 06:55:51 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)) getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f00000005c0)={0x0, 0x4}, &(0x7f0000000600)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000640)={r1, @in6={{0xa, 0x4e24, 0x2639, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0xff}}, 0x727, 0x7fff, 0x3, 0x8001, 0xa}, 0x98) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r2, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r0, 0xc1105518, &(0x7f0000000480)={{0x100, 0x2, 0x9df7, 0x2, "9c15644f99aaaa3121938f1a7a0458125d0ff3b9772357e0ec497e64e46e1bf4f37fedb31021763914a4f6d6", 0x9}, 0x0, 0x0, 0x3ff, r3, 0xffffffff, 0x8, "cab78d5b6f9a25e119afc38538fdf11aa8ea0d4df9491b0da0adbbbe85f2cbd7f099a1552704874568ab00bad3f7cfd42da034e4f476684448c778751307dfbb", &(0x7f0000000440)='ppp1GPLbdevproc#-em0]\x00', 0x16, [], [0x7, 0x0, 0x7f, 0x1000]}) r4 = syz_open_procfs(r3, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b4d0b7e13f38b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84f17c4de706501f8821fbcec24859915779583cda2c3") setns(r4, 0x0) getpeername$unix(r4, &(0x7f0000000280), &(0x7f0000000340)=0x6e) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r4, 0x28, 0x2, &(0x7f0000000040), 0x8) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:51 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x0, 0x1000) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:51 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x0, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:51 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:51 executing program 0: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0xc) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f00000003c0)="6e732f6d6e740077089d5475570ba400e5756418d9bae5b43f00000038b65692230260de869e31e55400709b225bebe4434f8060ab131dfc2d76e661d84b2104b81f66c90ac2eecfbdaf9491e64f17c4de7065") setns(r3, 0x0) ioctl$KDSETLED(r3, 0x4b32, 0x9) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) ioctl$KVM_DEASSIGN_PCI_DEVICE(r0, 0x4040ae72, &(0x7f0000000280)={0x101, 0x8, 0x11e, 0x2, 0x3f}) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r3, 0x28, 0x2, &(0x7f0000000040), 0x8) mremap(&(0x7f0000a93000/0x1000)=nil, 0x1000, 0x4000, 0x2, &(0x7f0000ff9000/0x4000)=nil) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:51 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x0, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 5: r0 = open(&(0x7f0000000300)='./file0\x00', 0x0, 0x0) unshare(0x20000) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x800) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000000)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x6}, &(0x7f0000000180)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000480)='net/xfrm_stat\x00') setns(r3, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000080)={0x0, 0xfffffffffffffff9}, &(0x7f00000000c0)=0x8) clone(0x30000100, &(0x7f0000e69000), &(0x7f00009c4ffc), &(0x7f00001cc000), &(0x7f0000a46000)) munlock(&(0x7f0000a92000/0x3000)=nil, 0x3000) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'bond0\x00', 0x400}) 2018/03/31 06:55:51 executing program 7: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 2: fstat(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r1}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r0, r2) r3 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r4 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r4, 0x1, 0x1000, 0x0) fallocate(r4, 0x0, 0x4b99, 0x5) r5 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r5, r5, &(0x7f0000000040), 0x80000001) fallocate(r4, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f00000000c0)={0xc}) sendfile(r5, r4, 0x0, 0xc08f) r6 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_bt_hci(r6, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r7}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r6, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r8 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r8, 0x0, 0x0) r9 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r9}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(0xffffffffffffffff) connect$ax25(r6, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) 2018/03/31 06:55:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d807000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x5, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) 2018/03/31 06:55:51 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) fstat(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0}) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) capget(&(0x7f00000003c0)={0x19980330, r2}, &(0x7f0000000440)={0x10001, 0x9, 0xfffffffffffffc00, 0x2, 0x1, 0x43}) r3 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r3) r4 = syz_open_dev$vcsa(&(0x7f0000000400)='/dev/vcsa#\x00', 0x4, 0x400) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f00000004c0)={0x81, {0x2, 0x4e24, @multicast1=0xe0000001}, {0x2, 0x0, @broadcast=0xffffffff}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, 0x0, 0x1, 0x5, 0x8, &(0x7f0000000480)='teql0\x00', 0x3, 0xc1de, 0x2}) r5 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r5, 0x1, 0x1000, 0x1000) fallocate(r5, 0x0, 0x4b99, 0x5) r6 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) sendfile(r6, r6, &(0x7f0000000040), 0x80000001) fallocate(r5, 0x1, 0x0, 0x4000003) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r4, &(0x7f00000000c0)={0xc}) sendfile(r6, r5, 0x0, 0xc08f) r7 = dup2(r0, r0) ioctl$sock_bt_hci(r7, 0x4, &(0x7f0000000580)="b0127b1b56c41af842d40142d538131c075f0c1d52ca94fe4c642da96543dc972aa62895d3535096d8807b48e8670b53a25c04565ef8f4b40944a1fab17c45f968ed95effe682b39a6138abb5754a7453451ea3dcc6171043db468708c168d2714820cdde9bf9435f64ea9179b062ccfba0f48982fda4e8fd401731c54ee7df1120d1625defbe5444ac1d8f5223a66faba5e5a01c2c00b7bcfdb1a4f292221725cb2f2ff783f0f68b6515ac1d80700000000000000000000000000000000") getpeername$llc(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x10) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000100)={0x0}, &(0x7f0000000240)=0x29e) capget(&(0x7f0000000180)={0x0, r8}, &(0x7f00000001c0)={0x9, 0x0, 0x0, 0x1, 0x1ff, 0x8}) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r7, 0x84, 0x7, &(0x7f0000000300), &(0x7f0000000340)=0x4) r9 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) sync() lseek(r9, 0x0, 0x0) r10 = fcntl$getown(0xffffffffffffffff, 0x9) capget(&(0x7f0000000080)={0x399f1336, r10}, &(0x7f00000000c0)={0x0, 0xffffffffffffffff, 0x1aef, 0x800, 0x304c, 0x5}) fdatasync(r0) connect$ax25(r7, &(0x7f0000000140)={0x3, {"7dce2e1e635993"}, 0x2}, 0x10) [ 191.984736] syz-executor2 (14911) used greatest stack depth: 15688 bytes left [ 192.679835] ODEBUG: object is on stack, but not annotated [ 192.686008] WARNING: CPU: 0 PID: 14963 at lib/debugobjects.c:328 __debug_object_init+0x60a/0x1040 [ 192.694985] Kernel panic - not syncing: panic_on_warn set ... [ 192.694985] [ 192.702312] CPU: 0 PID: 14963 Comm: syz-executor3 Not tainted 4.16.0-rc7+ #7 [ 192.709469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.718799] Call Trace: [ 192.721368] dump_stack+0x194/0x24d [ 192.724975] ? arch_local_irq_restore+0x53/0x53 [ 192.729618] ? vsnprintf+0x1ed/0x1900 [ 192.733391] panic+0x1e4/0x41c [ 192.736556] ? refcount_error_report+0x214/0x214 [ 192.741283] ? show_regs_print_info+0x18/0x18 [ 192.745750] ? __warn+0x1c1/0x200 [ 192.749177] ? __debug_object_init+0x60a/0x1040 [ 192.753820] __warn+0x1dc/0x200 [ 192.757071] ? __debug_object_init+0x60a/0x1040 [ 192.761714] report_bug+0x1f4/0x2b0 [ 192.765312] fixup_bug.part.10+0x37/0x80 [ 192.769343] do_error_trap+0x2d7/0x3e0 [ 192.773201] ? math_error+0x400/0x400 [ 192.776973] ? find_held_lock+0x35/0x1d0 [ 192.781007] ? __debug_object_init+0x55d/0x1040 [ 192.785651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.790467] do_invalid_op+0x1b/0x20 [ 192.794151] invalid_op+0x1b/0x40 [ 192.797577] RIP: 0010:__debug_object_init+0x60a/0x1040 [ 192.802820] RSP: 0018:ffff8801b3687968 EFLAGS: 00010082 [ 192.808153] RAX: 000000000000002d RBX: 0000000000000001 RCX: 0000000000000000 [ 192.815396] RDX: 000000000000002d RSI: ffffc900048e5000 RDI: ffffed00366d0f21 [ 192.822638] RBP: ffff8801b3687b40 R08: 0000000000000000 R09: 1ffff100366d0e89 [ 192.829877] R10: ffff8801b3687820 R11: ffffffff88583158 R12: ffff8801c918c240 [ 192.837117] R13: ffff8801b3687ca0 R14: ffff8801d72225e8 R15: ffff8801d72225f8 [ 192.844367] ? __debug_object_init+0x5cc/0x1040 [ 192.849008] ? debug_object_fixup+0x30/0x30 [ 192.853303] ? __fget+0x342/0x5b0 [ 192.856729] ? lock_downgrade+0x980/0x980 [ 192.860851] ? find_held_lock+0x35/0x1d0 [ 192.864886] ? alarmtimer_get_rtcdev+0x2c/0x40 [ 192.869439] ? lock_downgrade+0x980/0x980 [ 192.873558] debug_object_init+0x17/0x20 [ 192.877601] hrtimer_init+0x8c/0x410 [ 192.881287] ? hrtimer_init_on_stack+0x40/0x40 [ 192.885839] ? do_raw_spin_trylock+0x190/0x190 [ 192.890393] ? security_capable+0x8e/0xc0 [ 192.894515] ? ns_capable_common+0xcf/0x160 [ 192.898808] alarm_timer_nsleep+0x164/0x4d0 [ 192.903102] ? alarmtimer_do_nsleep+0x600/0x600 [ 192.907743] ? get_timespec64+0x104/0x170 [ 192.911863] ? timespec_trunc+0xe0/0xe0 [ 192.915810] ? finish_task_switch+0x1c1/0x7e0 [ 192.920276] ? lock_downgrade+0x980/0x980 [ 192.924395] SyS_clock_nanosleep+0x235/0x330 [ 192.928778] ? compat_SyS_clock_getres+0x160/0x160 [ 192.933680] ? do_syscall_64+0xb7/0x940 [ 192.937628] ? compat_SyS_clock_getres+0x160/0x160 [ 192.942526] do_syscall_64+0x281/0x940 [ 192.946394] ? _raw_spin_unlock_irq+0x27/0x70 [ 192.950859] ? finish_task_switch+0x1c1/0x7e0 [ 192.955324] ? syscall_return_slowpath+0x550/0x550 [ 192.960232] ? syscall_return_slowpath+0x2ac/0x550 [ 192.965134] ? prepare_exit_to_usermode+0x350/0x350 [ 192.970123] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 192.975464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.980280] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 192.985439] RIP: 0033:0x454e79 [ 192.988603] RSP: 002b:00007f9e55685c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 192.996283] RAX: ffffffffffffffda RBX: 00007f9e556866d4 RCX: 0000000000454e79 [ 193.003524] RDX: 0000000020001680 RSI: 0000000000000000 RDI: 0000000000000008 [ 193.010763] RBP: 000000000072c010 R08: 0000000000000000 R09: 0000000000000000 [ 193.018006] R10: 0000000020000100 R11: 0000000000000246 R12: 00000000ffffffff [ 193.025251] R13: 000000000000004f R14: 00000000006f2808 R15: 0000000000000002 [ 193.032496] [ 193.032498] ====================================================== [ 193.032500] WARNING: possible circular locking dependency detected [ 193.032502] 4.16.0-rc7+ #7 Not tainted [ 193.032504] ------------------------------------------------------ [ 193.032506] syz-executor3/14963 is trying to acquire lock: [ 193.032507] ((console_sem).lock){-.-.}, at: [<00000000e2233bcc>] down_trylock+0x13/0x70 [ 193.032513] [ 193.032514] but task is already holding lock: [ 193.032515] (&obj_hash[i].lock){-.-.}, at: [<00000000a6a73539>] __debug_object_init+0x109/0x1040 [ 193.032521] [ 193.032522] which lock already depends on the new lock. [ 193.032523] [ 193.032524] [ 193.032526] the existing dependency chain (in reverse order) is: [ 193.032527] [ 193.032528] -> #3 (&obj_hash[i].lock){-.-.}: [ 193.032534] _raw_spin_lock_irqsave+0x96/0xc0 [ 193.032536] __debug_object_init+0x109/0x1040 [ 193.032537] debug_object_init+0x17/0x20 [ 193.032539] hrtimer_init+0x8c/0x410 [ 193.032541] init_dl_task_timer+0x1b/0x50 [ 193.032542] __sched_fork+0x2bb/0xb60 [ 193.032544] init_idle+0x75/0x820 [ 193.032545] sched_init+0xb19/0xc43 [ 193.032550] start_kernel+0x452/0x819 [ 193.032552] x86_64_start_reservations+0x2a/0x2c [ 193.032553] x86_64_start_kernel+0x77/0x7a [ 193.032555] secondary_startup_64+0xa5/0xb0 [ 193.032556] [ 193.032557] -> #2 (&rq->lock){-.-.}: [ 193.032562] _raw_spin_lock+0x2a/0x40 [ 193.032564] task_fork_fair+0x7a/0x690 [ 193.032566] sched_fork+0x450/0xc10 [ 193.032567] copy_process.part.38+0x17c9/0x4bd0 [ 193.032569] _do_fork+0x1f7/0xf70 [ 193.032570] kernel_thread+0x34/0x40 [ 193.032572] rest_init+0x22/0xf0 [ 193.032573] start_kernel+0x7f1/0x819 [ 193.032575] x86_64_start_reservations+0x2a/0x2c [ 193.032577] x86_64_start_kernel+0x77/0x7a [ 193.032579] secondary_startup_64+0xa5/0xb0 [ 193.032580] [ 193.032580] -> #1 (&p->pi_lock){-.-.}: [ 193.032586] _raw_spin_lock_irqsave+0x96/0xc0 [ 193.032588] try_to_wake_up+0xbc/0x15f0 [ 193.032589] wake_up_process+0x10/0x20 [ 193.032591] __up.isra.0+0x1cc/0x2c0 [ 193.032592] up+0x13b/0x1d0 [ 193.032594] __up_console_sem+0xb2/0x1a0 [ 193.032595] console_unlock+0x5af/0xfb0 [ 193.032597] do_con_write+0x106e/0x1f70 [ 193.032598] con_write+0x25/0xb0 [ 193.032600] n_tty_write+0x5ef/0xec0 [ 193.032601] tty_write+0x3fa/0x840 [ 193.032603] __vfs_write+0xef/0x970 [ 193.032605] vfs_write+0x189/0x510 [ 193.032606] SyS_write+0xef/0x220 [ 193.032608] do_syscall_64+0x281/0x940 [ 193.032610] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 193.032610] [ 193.032611] -> #0 ((console_sem).lock){-.-.}: [ 193.032617] lock_acquire+0x1d5/0x580 [ 193.032619] _raw_spin_lock_irqsave+0x96/0xc0 [ 193.032620] down_trylock+0x13/0x70 [ 193.032622] __down_trylock_console_sem+0xa2/0x1e0 [ 193.032624] console_trylock+0x15/0x70 [ 193.032625] vprintk_emit+0x5b5/0xb90 [ 193.032627] vprintk_default+0x28/0x30 [ 193.032628] vprintk_func+0x57/0xc0 [ 193.032630] printk+0xaa/0xca [ 193.032632] __debug_object_init+0x5cc/0x1040 [ 193.032633] debug_object_init+0x17/0x20 [ 193.032635] hrtimer_init+0x8c/0x410 [ 193.032637] alarm_timer_nsleep+0x164/0x4d0 [ 193.032638] SyS_clock_nanosleep+0x235/0x330 [ 193.032640] do_syscall_64+0x281/0x940 [ 193.032642] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 193.032643] [ 193.032644] other info that might help us debug this: [ 193.032645] [ 193.032647] Chain exists of: [ 193.032647] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 193.032654] [ 193.032656] Possible unsafe locking scenario: [ 193.032657] [ 193.032659] CPU0 CPU1 [ 193.032660] ---- ---- [ 193.032661] lock(&obj_hash[i].lock); [ 193.032665] lock(&rq->lock); [ 193.032668] lock(&obj_hash[i].lock); [ 193.032672] lock((console_sem).lock); [ 193.032675] [ 193.032676] *** DEADLOCK *** [ 193.032677] [ 193.032678] 1 lock held by syz-executor3/14963: [ 193.032679] #0: (&obj_hash[i].lock){-.-.}, at: [<00000000a6a73539>] __debug_object_init+0x109/0x1040 [ 193.032685] [ 193.032687] stack backtrace: [ 193.032689] CPU: 0 PID: 14963 Comm: syz-executor3 Not tainted 4.16.0-rc7+ #7 [ 193.032692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 193.032693] Call Trace: [ 193.032695] dump_stack+0x194/0x24d [ 193.032697] ? arch_local_irq_restore+0x53/0x53 [ 193.032698] print_circular_bug.isra.38+0x2cd/0x2dc [ 193.032700] ? save_trace+0xe0/0x2b0 [ 193.032701] __lock_acquire+0x30a8/0x3e00 [ 193.032703] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 193.032705] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 193.032707] ? print_irqtrace_events+0x270/0x270 [ 193.032709] ? trace_hardirqs_off+0x10/0x10 [ 193.032710] lock_acquire+0x1d5/0x580 [ 193.032712] ? lock_acquire+0x1d5/0x580 [ 193.032713] ? down_trylock+0x13/0x70 [ 193.032715] ? lock_release+0xa40/0xa40 [ 193.032716] ? vprintk_emit+0x43b/0xb90 [ 193.032718] ? lock_downgrade+0x980/0x980 [ 193.032720] ? kvm_sched_clock_read+0x25/0x40 [ 193.032721] ? sched_clock+0x31/0x40 [ 193.032723] ? sched_clock_cpu+0x1b/0x180 [ 193.032724] ? vprintk_emit+0x5b5/0xb90 [ 193.032726] _raw_spin_lock_irqsave+0x96/0xc0 [ 193.032727] ? down_trylock+0x13/0x70 [ 193.032729] down_trylock+0x13/0x70 [ 193.032730] ? vprintk_emit+0x5b5/0xb90 [ 193.032732] __down_trylock_console_sem+0xa2/0x1e0 [ 193.032734] console_trylock+0x15/0x70 [ 193.032735] vprintk_emit+0x5b5/0xb90 [ 193.032737] ? console_unlock+0xfb0/0xfb0 [ 193.032738] ? find_held_lock+0x35/0x1d0 [ 193.032740] ? __debug_object_init+0x55d/0x1040 [ 193.032742] vprintk_default+0x28/0x30 [ 193.032743] vprintk_func+0x57/0xc0 [ 193.032745] printk+0xaa/0xca [ 193.032746] ? show_regs_print_info+0x18/0x18 [ 193.032748] ? trace_hardirqs_off+0x10/0x10 [ 193.032750] __debug_object_init+0x5cc/0x1040 [ 193.032751] ? debug_object_fixup+0x30/0x30 [ 193.032753] ? __fget+0x342/0x5b0 [ 193.032754] ? lock_downgrade+0x980/0x980 [ 193.032756] ? find_held_lock+0x35/0x1d0 [ 193.032758] ? alarmtimer_get_rtcdev+0x2c/0x40 [ 193.032759] ? lock_downgrade+0x980/0x980 [ 193.032761] debug_object_init+0x17/0x20 [ 193.032762] hrtimer_init+0x8c/0x410 [ 193.032764] ? hrtimer_init_on_stack+0x40/0x40 [ 193.032766] ? do_raw_spin_trylock+0x190/0x190 [ 193.032767] ? security_capable+0x8e/0xc0 [ 193.032769] ? ns_capable_common+0xcf/0x160 [ 193.032771] alarm_timer_nsleep+0x164/0x4d0 [ 193.032772] ? alarmtimer_do_nsleep+0x600/0x600 [ 193.032774] ? get_timespec64+0x104/0x170 [ 193.032775] ? timespec_trunc+0xe0/0xe0 [ 193.032777] ? finish_task_switch+0x1c1/0x7e0 [ 193.032779] ? lock_downgrade+0x980/0x980 [ 193.032780] SyS_clock_nanosleep+0x235/0x330 [ 193.032782] ? compat_SyS_clock_getres+0x160/0x160 [ 193.032784] ? do_syscall_64+0xb7/0x940 [ 193.032785] ? compat_SyS_clock_getres+0x160/0x160 [ 193.032787] do_syscall_64+0x281/0x940 [ 193.032789] ? _raw_spin_unlock_irq+0x27/0x70 [ 193.032790] ? finish_task_switch+0x1c1/0x7e0 [ 193.032792] ? syscall_return_slowpath+0x550/0x550 [ 193.032794] ? syscall_return_slowpath+0x2ac/0x550 [ 193.032796] ? prepare_exit_to_usermode+0x350/0x350 [ 193.032798] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 193.032799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.032801] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 193.032803] RIP: 0033:0x454e79 [ 193.032804] RSP: 002b:00007f9e55685c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 193.032808] RAX: ffffffffffffffda RBX: 00007f9e556866d4 RCX: 0000000000454e79 [ 193.032811] RDX: 0000000020001680 RSI: 0000000000000000 RDI: 0000000000000008 [ 193.032813] RBP: 000000000072c010 R08: 0000000000000000 R09: 0000000000000000 [ 193.032816] R10: 0000000020000100 R11: 0000000000000246 R12: 00000000ffffffff [ 193.032818] R13: 000000000000004f R14: 00000000006f2808 R15: 0000000000000002 [ 193.033248] Dumping ftrace buffer: [ 193.800537] (ftrace buffer empty) [ 193.804216] Kernel Offset: disabled [ 193.807813] Rebooting in 86400 seconds..