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0x1000}, {&(0x7f0000008600)="d641d4854a8df0056d865da88b0d003392aa1bea4f6582767faaa69cfa382f28b7be099be157e0af5deb3542de72c3a200999ced76484dedc7ce1d19aa7661b5eaf68cc91c4b9b1185827805eb42dd252f0591c34e9e132d22ebbe3ccadf60ba32463836f04b6f08aaa5aa364c0a30decfe78ffeab3bf21ce72863d95cc6a952c7fa11d90479b127e9cc890b1c02a72376067e3b62e1392d9346fc42b853b3071d3d93f7a99a0952a9d5407e6a2fc25b9e5cbb9fcc2ac9", 0xb7}, {&(0x7f00000086c0)="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", 0xfe}, {&(0x7f00000087c0)="532e78dd263601af4b6b1da51c32faa8810b806445e5293bf8eb88ecc4c0", 0x1e}], 0x5, &(0x7f000000ab40)=ANY=[@ANYBLOB="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"], 0x864, 0x4040}}], 0x8, 0x4000) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000001c0)={'vcan0\x00', r2}) recvfrom$inet6(r0, &(0x7f0000009b00)=""/4096, 0x1000, 0x2040, &(0x7f000000ab00)={0xa, 0x4e23, 0x9, @local={0xfe, 0x80, [], 0xaa}, 0x4}, 0x1c) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000001540)=0x0) ioctl$BLKTRACESETUP(r1, 0xc0401273, &(0x7f0000009a80)={[], 0x8001, 0x5334, 0x6a9c, 0x9, 0x5241, r3}) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x1, 0x0) 2018/06/01 10:45:58 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x40101) write$sndseq(r0, &(0x7f0000000000)=[{0x0, 0x0, 0x1, 0x447, @time={0x77359400}, {0x6, 0xffffffff80000000}, {0x6, 0x8}, @note={0x3d5, 0x1, 0x3, 0x2, 0x401}}, {0xffffffffffffffc0, 0x1, 0x8001, 0xb790, @tick=0x100000000, {0x2, 0x80000000000006}, {0xffff, 0x1000}, @note={0x2, 0x20, 0xacab, 0x5, 0x20000000200000}}], 0x38) ppoll(&(0x7f00000000c0)=[{r0}], 0x1, &(0x7f0000000100)={0x77359400}, &(0x7f0000000180), 0x8) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r0, 0x4058534c, &(0x7f000023efa8)={0x80, 0x7d}) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x44) epoll_pwait(r1, &(0x7f0000000080)=[{}, {}, {}], 0x3, 0x4, &(0x7f00000001c0)={0xfffffffffffff000}, 0x8) syz_open_dev$admmidi(&(0x7f0000000200)='/dev/admmidi#\x00', 0x2, 0x400100) 2018/06/01 10:45:58 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xfa00, 0x0) 2018/06/01 10:45:59 executing program 2: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000140)='/dev/vcsa#\x00', 0xfffffffffffffffb, 0x0) ioctl$BLKROTATIONAL(r0, 0x127e, &(0x7f0000000180)) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='devpts\x00', 0x0, &(0x7f0000000100)) r1 = inotify_init() inotify_add_watch(r1, &(0x7f00000002c0)='./file0\x00', 0x10000a0) umount2(&(0x7f0000000100)='./file0\x00', 0x0) 2018/06/01 10:45:59 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1274, r0) 2018/06/01 10:45:59 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) bind$vsock_dgram(r0, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @hyper}, 0x10) 2018/06/01 10:45:59 executing program 5 (fault-call:2 fault-nth:20): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:45:59 executing program 4: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0x40) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x400000, 0x0) ioctl$VHOST_SET_LOG_BASE(r1, 0x4008af04, &(0x7f00000000c0)=&(0x7f0000000080)) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r1, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x60420850}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r2, 0x418, 0x70bd26, 0x25dfdbfb, {0x1}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x100}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1f}, @IPVS_CMD_ATTR_DAEMON={0x44, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_team\x00'}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_team\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000804}, 0x4000) setsockopt$inet_sctp_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000280)=0x6cc, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r1, 0x800442d3, &(0x7f00000002c0)={0x6, 0x7ff, 0x2, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, 'bond_slave_0\x00'}) lseek(r0, 0x0, 0x0) io_setup(0x4, &(0x7f0000000300)=0x0) ioctl$KVM_ASSIGN_SET_INTX_MASK(r1, 0x4040aea4, &(0x7f0000000340)={0x8, 0x0, 0x800, 0x3, 0x8}) write$binfmt_elf64(r0, &(0x7f0000000380)={{0x7f, 0x45, 0x4c, 0x46, 0x3ff, 0x400, 0xfff, 0x7ff, 0xfff, 0x3, 0x3f, 0x0, 0x26e, 0x40, 0x1bf, 0x9, 0x8080, 0x38, 0x2, 0x20, 0x1f, 0xb3}, [{0x70000000, 0x80000000, 0x7, 0x1, 0x80000000, 0x6, 0x4d, 0x9}, {0x6474e551, 0xa3c, 0x9, 0x8, 0x280000000000000, 0xfe, 0x1efe80000000000, 0x6}], "e58df8cd3e4859be426a8697022d717ab1744bb3b753bb11a888bd85916eac25c61aeaa3db5b5c5043aa438ca9f88d4720ec42b1b2ba7af51a40820bdad4f319686aed09d3eb50ba85d5f7b682503fb9d981373d13c0d89ebc267abb4271731e54b6d121f86dbe6bc7c7faffbfe9a4ab529c31f440ad6d16bf574fd65dbfb43e4f704d4b9b2246a5289c2278d2a656f319d29d87b1242efa911c69cb2aab6d2fe62c427140e0fb0d572c40c4db849604bbc1977916fda0b8613b844137246389c7bdb83f6ef88384e29e6ebb3a53e4cdaf703be4e5a8ab6f", [[], [], [], [], []]}, 0x688) epoll_pwait(r1, &(0x7f0000000a40)=[{}, {}, {}, {}], 0x4, 0x5, &(0x7f0000000a80)={0x2}, 0x8) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000ac0)={{{@in=@local, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@ipv4={[], [], @loopback}}}, &(0x7f0000000bc0)=0xe8) ioctl$sock_inet6_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000c00)={@loopback={0x0, 0x1}, 0x7d, r4}) lstat(&(0x7f0000000c40)='./file1\x00', &(0x7f0000000c80)) r5 = socket$nl_generic(0x10, 0x3, 0x10) lstat(&(0x7f0000000d00)='./file0\x00', &(0x7f0000000d40)) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000dc0)='/proc/sys/net/ipv4/vs/sloppy_sctp\x00', 0x2, 0x0) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000e00)={{{@in, @in=@multicast2}}, {{@in6=@mcast1}, 0x0, @in6=@remote}}, &(0x7f0000000f00)=0xe8) getsockopt$inet_mtu(r6, 0x0, 0xa, &(0x7f0000000f40), &(0x7f0000000f80)=0x4) io_submit(r3, 0x6, &(0x7f0000003440)=[&(0x7f0000001fc0)={0x0, 0x0, 0x0, 0x7, 0x0, r0, &(0x7f0000000fc0)="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", 0x1000, 0x693, 0x0, 0x0, r1}, &(0x7f00000020c0)={0x0, 0x0, 0x0, 0x7, 0x4, r1, &(0x7f0000002000)="c758de3b0aaa0873fb0b3ffb9a0d08d259ce0e90eda0e23980022424566e17a803dc07eb20eef01e550772abc7013cffce8a8f5805f26b317a3ffc1e78095084fd39aa14f88e2c893635d7c5df43c3dfbcd061f92077112725dbb0ea51864cfde6074c16a73243263814e3bf21cd4bc2ddcc37fc860728bd248a84039025f107099deb3b02983624566ee41123a6bd03abaca7b1bf86bba212e95157dfb962e082d35de79a60556f599d0bcd0ea69b49691be5f361", 0xb5, 0x3313, 0x0, 0x1, r6}, &(0x7f0000002140)={0x0, 0x0, 0x0, 0x1, 0xe4, r1, &(0x7f0000002100)="e7d76ff438ed2c340ce88ec98987083df8a6771f1d9ef2763d75da22b92c", 0x1e, 0x80000000, 0x0, 0x1, r6}, &(0x7f0000003180)={0x0, 0x0, 0x0, 0x1, 0x6, r0, &(0x7f0000002180)="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", 0x1000, 0x59a, 0x0, 0x1, r6}, &(0x7f00000032c0)={0x0, 0x0, 0x0, 0x8, 0x3, r5, &(0x7f00000031c0)="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", 0xfa, 0xfffffffffffffffb, 0x0, 0x0, r6}, &(0x7f0000003400)={0x0, 0x0, 0x0, 0x0, 0x9, r1, &(0x7f0000003300)="1fa6f9028f887146f1755861d54d29af8003ab87deda577cbec0ec1964f860b0733e8efa85f428034d30d748a8fc3c3a54c63ff0f205902903ad9a14c339e970b795117472a96a84aa4b6349bdf9b9929197850b56c5dbdfbcd95959ffc4f54e50673e4ad3e67c92828cff6b9674909787b98eba9280ed7968273ca7ad0f9b0846e5c317b7af81d5e8a100692af872982f2a4dcf9417f7cc6a0e2a477e11343b31f2509cb6ce8e39e76e655464ed1eb0d99d7135f5b60a1c45eba14c0691e5ec65e30bf47852e5ca0cbbfe7a5629f7de39098c323c51699c2b522366242cb5af5bdac31cbed2bc83", 0xe8, 0x1, 0x0, 0x1, r6}]) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r6, 0x84, 0x15, &(0x7f0000003480)={0x8}, 0x1) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r6, 0x84, 0x6e, &(0x7f00000034c0)=[@in={0x2, 0x4e24, @rand_addr=0x7}, @in={0x2, 0x4e22, @multicast2=0xe0000002}, @in6={0xa, 0x4e22, 0xff, @empty, 0x9}, @in6={0xa, 0x4e23, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x5}, @in={0x2, 0x4e23, @loopback=0x7f000001}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x4e22, 0x1045, @mcast2={0xff, 0x2, [], 0x1}, 0x5}, @in6={0xa, 0x4e23, 0x5, @dev={0xfe, 0x80, [], 0x13}, 0x5}, @in6={0xa, 0x4e22, 0x2, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x2}, @in6={0xa, 0x4e21, 0x8, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x8}], 0xe8) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r6, 0x84, 0x8, &(0x7f00000035c0), &(0x7f0000003600)=0x4) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000003640)={0x0, @in6={{0xa, 0x4e24, 0x2, @remote={0xfe, 0x80, [], 0xbb}, 0x729}}, 0x873}, &(0x7f0000003700)=0x88) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000003740)={0x6, 0x3, 0x8, 0x100000001, 0x0, 0x9, 0x8001, 0x401, r7}, &(0x7f0000003780)=0x20) ioctl$EVIOCSABS3F(r6, 0x401845ff, &(0x7f00000037c0)={0x9, 0x6, 0xc1d, 0x9, 0x8, 0x5c75345f}) r8 = accept4$netrom(r0, &(0x7f0000003800), &(0x7f0000003840)=0x10, 0x0) write$binfmt_script(r8, &(0x7f0000003880)={'#! ', './file1', [{0x20, 'ppp0{posix_acl_accessmime_type'}], 0xa, "f68df265de8812ac1fb8750d6426cbe5e4f936f969fc663414ffbc8836"}, 0x47) getsockopt$EBT_SO_GET_INIT_INFO(r1, 0x0, 0x82, &(0x7f0000003900)={'broute\x00'}, &(0x7f0000003980)=0x50) 2018/06/01 10:45:59 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) tkill(r0, 0x15) 2018/06/01 10:45:59 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xdb00, 0x0) 2018/06/01 10:45:59 executing program 6: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$VHOST_SET_FEATURES(r0, 0x4008af00, &(0x7f0000e4e000)=0x200000000) write$vnet(r0, &(0x7f0000000540)={0x1, {&(0x7f0000000440)=""/207, 0x49d, &(0x7f000072bfce)=""/50, 0x0, 0x402}}, 0x1f9) write$vnet(r0, &(0x7f0000a8d000)={0x1, {&(0x7f0000c91000)=""/24, 0x18, &(0x7f0000000000)=""/101, 0x0, 0x2}}, 0x68) r1 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x7, 0x0) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000180)=0x0) r3 = getpgrp(0x0) r4 = gettid() lstat(&(0x7f0000002b80)='./file0\x00', &(0x7f0000002bc0)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000005480)={{{@in6=@remote, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4}, 0x0, @in6=@loopback}}, &(0x7f0000005580)=0xe8) r7 = fcntl$getown(r0, 0x9) r8 = socket$inet(0x10, 0x3, 0x0) sendmsg(r8, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000000000)="24000000110007031dfffd946fc68e0020200a1b01000000010000000c1ba3a20c00ff7e", 0x24}], 0x1}, 0x0) fstat(r0, &(0x7f00000055c0)={0x0, 0x0, 0x0, 0x0, 0x0}) r10 = getpgrp(0xffffffffffffffff) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000006f40)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000006ac0)={{{@in6=@local, @in6=@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}}}, &(0x7f0000006bc0)=0xe8) lstat(&(0x7f0000006c00)='./file0\x00', &(0x7f0000006c40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000006cc0)=0x0) fstat(r0, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0}) r16 = getgid() ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f0000006ec0)) r17 = getpid() r18 = geteuid() getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000006d80)={0x0, 0x0, 0x0}, &(0x7f0000006dc0)=0xc) ioprio_get$pid(0x2, r7) sendmsg$netlink(r1, &(0x7f0000006e80)={0x0, 0x0, &(0x7f0000006a40)=[{&(0x7f0000006f00)=ANY=[@ANYBLOB="10f9ffffffff19ebd5c34bfa20ffffffbd7000fddbdf25b59e6faea99bc534af5ad5379ff9be15e3e40c9f4e3795b38f0b94783d4f"], 0x10}, {&(0x7f0000000140)={0x18, 0x2c, 0x50c, 0x70bd25, 0x25dfdbfd, "", [@generic="412a6852c3a36483"]}, 0x18}, {&(0x7f0000000600)={0x10a0, 0x22, 0x1, 0x70bd2b, 0x25dfdbfc, "", [@generic="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@typed={0x8, 0x5a, @u32=0x7}, @generic="31722ed4e8140b46913fda00938271eb69c287fa2de5745ed084cebabb2baa284effc22493285404fdd179fa3f4ca2784ef66510bc9b123d5c9753ee36c3ddb70ed334038d86fc86f4bc5b9a400b1e89cd0ac7ece79a1e5dcd3b2180ddfb567b", @typed={0x14, 0x74, @str='/dev/vhost-net\x00'}, @typed={0x14, 0x44, @ipv6=@remote={0xfe, 0x80, [], 0xbb}}]}, 0x10a0}, {&(0x7f00000001c0)={0x280, 0x39, 0x400, 0x70bd2c, 0x25dfdbfe, "", [@typed={0x8, 0x7, @pid=r2}, @typed={0x34, 0x37, @str='userppp0GPL]+cgroupvboxnet0.Rcgroupcgroupuser\x00'}, @nested={0x78, 0x72, [@generic="3dea686e692314c5feab0ff8e16b2d71031ffb15916b4c8c10de36d4db47c7d8e5f3c2b62d9835f46c1f2edc4c3add5622ac3f4b67632ac40a988af634920a3bd6de9d812a95", @generic="b342f1099fe9394886ca0bc268846ec0b721aba1416dbd0f470e11b047d2e353a783f8f11aa9e7c8377394"]}, @nested={0x1bc, 0x5, [@typed={0x14, 0x22, @ipv6}, @typed={0x8, 0x2a, @pid=r3}, @generic="1ae406055889d8316b451186ec37d8217e3ec62d8884d14d4534978f2b44c90c7f1593830c9a7268ef9ecbd321b3fa5e4a6fbcc1068024f359b21befaf56ae0022a9d7939516366a090f42a99c146be23c4544059da239644dca28cff5eaf2c84844a621d882e29f6716b8e5b4f00f8505a24f3f1bd894a8ab925688b8027b1ad48eba1f041a820ce03e58705a1ea7d2e3504298ba1c3a1a1b93beca0f4365aace8f2ba80790312aecce121b6be36a6fec7513b4a059435d6e744cfcd0ecbf868625f81e373d86f635ad0ae9668e3441f62f2e81bdc20c067172e2b900b73bbb8e3e825a", @generic="bae4809a96d9027dc3d4ce6dd257600c8c9223f13e120ce79a9952aa2b0fd7836e85abfce68ce6fd4cf757409d5947bf9c0f2253e4baf0c55f1d0433828923c4dc6bce01a257172b642bdde3cfa58c776ebf6aa3eb8d591984e6f0", @typed={0xc, 0x81, @u64=0x14f}, @typed={0x14, 0x8c, @ipv6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @generic="c3e9f0680035319f8f8a7a0cf89c8deab0450dda41739e09d8709ebfc079a90dac0faab64001d08386f1e37de0afcc7545698fad3e33fabb97bf730ac6"]}]}, 0x280}, {&(0x7f00000016c0)={0x1494, 0x3f, 0x4, 0x70bd2a, 0x25dfdbfe, "", 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"}, @typed={0x4, 0x6b}, @typed={0x14, 0x11, @ipv6=@local={0xfe, 0x80, [], 0xaa}}, @generic="f551566f3d200c1436c7b6c10345228104e4a4837dd81604c05f163e3489d5e9102a4d9ab1a7c78d0a", @typed={0x6c, 0x92, @binary="42a14b421abac0f6f4d2b98c3d2bf6c8c90cd6e8df70f2a8222931639344c77393e21600f16cdaded317f28869f6a36499b6971f5d79032107f50c671ad0722f8147c80bbbb037d907d020744e9e5ef457f5c03f8549b2ea7fc819bb427a79c1cdecd1a8a7"}, @typed={0x4, 0xe}]}, @generic="da91d4129ace7342af1e19ae04b73550c00e471aedc3378d09343b8d53408dcd7959d2cfcd8fef1dfa067ce6e577770c0df463fda50379a070e857b13e6d366ce637d01d577229d1e4a42873316532e7c81f5ef09ea11300ecfc1bb3ef106349bafcddebb7250fc703df8fece317bf29ce98f0eca38a0003bbe958f5e9a6c828e9b57f6a1976780e5ae9e5498e0bf8c038c1af3b2edb6f9a2545aed2ce8a49d7c93122b40375a41a096e39c5f602f758971bf05f0903635d6f1164fffbe96aeca7ae8e05cf69b6ecb2fd3c96aa3650329cc8d82e031e47fe31cc58d34298ca8594779fbfbd51083a1258b6a8c6d8ab", @generic="c36318e888417f83878dd0e9d9953939dbfc8e60857ce06a3ac89b2ba9bae085e9ab1f49701ceabe6cb995b399806ca623ffd1a0020527ed39a0b9796a5d7d97b9e3332e52fa298ace8987c3bd2ef9e719c218653d883e74249542b1998f8d5d671bc7", @typed={0x8, 0xb, @ipv4=@loopback=0x7f000001}]}, 0x13dc}], 0x8, &(0x7f0000006e00)=[@cred={0x18, 0x1, 0x2, r11, r12, r13}, @cred={0x18, 0x1, 0x2, r14, r15, r16}, @cred={0x18, 0x1, 0x2, r17, r18, r19}], 0x48, 0x4000}, 0x4000800) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000080)={0xffffffffffffff9c}) listen$netrom(r20, 0xfff) write$vnet(r0, &(0x7f000046df98)={0x1, {&(0x7f0000c7f000)=""/28, 0x1000001a9, &(0x7f0000e9afb7)=""/73, 0x0, 0x3}}, 0x68) [ 295.312872] FAULT_INJECTION: forcing a failure. [ 295.312872] name failslab, interval 1, probability 0, space 0, times 0 [ 295.324459] CPU: 1 PID: 20963 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 295.331848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.331858] Call Trace: [ 295.331891] dump_stack+0x1b9/0x294 [ 295.331930] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.331981] should_fail.cold.4+0xa/0x1a [ 295.344063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.344097] ? graph_lock+0x170/0x170 [ 295.366229] ? zap_class+0x720/0x720 [ 295.366249] ? kmem_cache_alloc+0x12e/0x760 [ 295.366273] ? find_held_lock+0x36/0x1c0 [ 295.378500] ? __lock_is_held+0xb5/0x140 [ 295.382624] ? check_same_owner+0x320/0x320 [ 295.386979] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.392243] ? rcu_note_context_switch+0x710/0x710 [ 295.397208] __should_failslab+0x124/0x180 [ 295.401472] should_failslab+0x9/0x14 [ 295.405307] __kmalloc_track_caller+0x2c4/0x760 [ 295.410026] ? string+0x21d/0x2c0 [ 295.413614] ? kstrdup_const+0x66/0x80 [ 295.417537] kstrdup+0x39/0x70 [ 295.420964] kstrdup_const+0x66/0x80 [ 295.424774] __kernfs_new_node+0xa8/0x580 [ 295.428970] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 295.433754] ? pointer+0xa10/0xa10 [ 295.437337] ? kasan_check_write+0x14/0x20 [ 295.441600] ? snprintf+0xa5/0xd0 [ 295.443812] netlink: 4 bytes leftover after parsing attributes in process `syz-executor6'. [ 295.445077] ? vsprintf+0x40/0x40 [ 295.445097] ? cgroup_kn_set_ugid+0x2cb/0x370 2018/06/01 10:45:59 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xb3, 0x0) [ 295.445129] kernfs_new_node+0x80/0xf0 [ 295.445156] __kernfs_create_file+0x4d/0x330 [ 295.445183] cgroup_addrm_files+0x437/0xaf0 [ 295.445217] ? cgroup_css.part.14+0x1f0/0x1f0 [ 295.479246] ? mark_held_locks+0xc9/0x160 [ 295.483428] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 295.488039] ? _raw_spin_unlock_irq+0x27/0x70 [ 295.492574] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 295.497622] ? mutex_unlock+0xd/0x10 [ 295.497643] ? cpuset_css_online+0x5a0/0x830 [ 295.497666] ? kasan_check_write+0x14/0x20 [ 295.497683] ? online_css+0x259/0x330 [ 295.497716] css_populate_dir+0x1a8/0x420 [ 295.518055] cgroup_apply_control_enable+0x43b/0xce0 [ 295.523213] ? cgroup_propagate_control+0x5a0/0x5a0 [ 295.528257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.528277] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 295.528297] ? cgroup_file_name+0x1f0/0x1f0 [ 295.528332] ? css_populate_dir+0x2a2/0x420 [ 295.528360] cgroup_mkdir+0x825/0x10d0 [ 295.528393] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 295.528410] ? map_id_up+0x196/0x3c0 [ 295.528433] ? make_kprojid+0x30/0x30 2018/06/01 10:45:59 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={r0, 0x2, 0x1, 0x6, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}, 0x20) [ 295.528458] ? set_nlink+0xaf/0x140 [ 295.538510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.538533] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 295.538551] ? kernfs_get_active+0xb2/0x120 [ 295.538568] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 295.538589] kernfs_iop_mkdir+0x159/0x1e0 [ 295.547247] ? getname_flags+0xd0/0x5a0 [ 295.547272] vfs_mkdir+0x42e/0x6b0 [ 295.547297] do_mkdirat+0x266/0x2f0 [ 295.547324] ? __ia32_sys_mknod+0xb0/0xb0 [ 295.547347] ? mm_fault_error+0x380/0x380 [ 295.572746] __ia32_sys_mkdirat+0x74/0xb0 [ 295.572772] do_fast_syscall_32+0x345/0xf9b [ 295.619628] ? do_int80_syscall_32+0x880/0x880 [ 295.624238] ? _raw_spin_unlock_irq+0x27/0x70 [ 295.628763] ? finish_task_switch+0x1ca/0x840 [ 295.633295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.638863] ? syscall_return_slowpath+0x30f/0x5c0 [ 295.643960] ? sysret32_from_system_call+0x5/0x46 [ 295.648847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.653745] entry_SYSENTER_compat+0x70/0x7f [ 295.658174] RIP: 0023:0xf7fa6cb9 [ 295.661549] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 295.669288] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 295.669301] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 295.669311] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 295.669321] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 295.669331] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 295.669651] cgroup: cgroup_addrm_files: failed to add effective_cpus, err=-12 2018/06/01 10:46:00 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc5, 0x0) 2018/06/01 10:46:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x82002, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000080)=0xc) r2 = gettid() rt_tgsigqueueinfo(r1, r2, 0x2b, &(0x7f00000000c0)={0x30, 0x1, 0x2, 0x3}) [ 295.684903] netlink: 4 bytes leftover after parsing attributes in process `syz-executor6'. 2018/06/01 10:46:00 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1260, r0) 2018/06/01 10:46:00 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="fd8ce26cf9ac17f0f97e85278a370a0f7994f0e20d688200584e8e2ed353828cd85a2a15188dbfbc535dbefab10a923cfd02314387819638af3d21824371acdf4a28fc0d5dd8ee3beffb86fdfab7fcab939296cc4e3b8be2f0ed3fa062d9c52f41985c1cd6dc8c82ded5ad81dec3257b81dbce2bb8395216e1e612c91f858150003d15dee5c2890f58ae096483799812f34911fb0d54b498ddc9f208a4890552caacba47662190512f4bb17705a5f5ee0ac82b24ea20c3fe8f7fdf5a2f5b0a85d311f61f83317e8973a76c2088042d0af68b271741acda9c29ede39c266a1c02b624a9e94aaf968904c9c1920a719de546b52229d9ddd3679b361a6467") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2041, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f00000000c0)=0x7, 0x4) [ 295.772282] devpts: called with bogus options 2018/06/01 10:46:00 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x2, 0x0) 2018/06/01 10:46:00 executing program 6: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0xc, 0x80801) write$binfmt_elf64(r0, &(0x7f00000011c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x38, 0x1, 0x80000001, 0x0, 0x557c}, [{0x0, 0x80000}]}, 0x78) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x440, 0x0) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000200)=""/148) write$binfmt_elf64(r0, &(0x7f0000000100)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x38}, [{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10001}]}, 0xb0) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) syncfs(r1) r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0xffffffffffffffff, 0x3, 0x0, 0x0, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7}, 0xdb) ioctl$EVIOCSKEYCODE_V2(r2, 0x40284504, &(0x7f00000002c0)={0x3, 0x1b, 0x3, 0x9, "c0faab1c42265be10212681ce159ebc9ab9860c3b066c9c00fedc1cad9183372"}) ioctl$BLKDISCARD(r2, 0x1277, &(0x7f00000000c0)=0x101) 2018/06/01 10:46:00 executing program 5 (fault-call:2 fault-nth:21): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:00 executing program 2: syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) r1 = getpid() stat(&(0x7f0000001640)='./file0\x00', &(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000001700)='./file0\x00', &(0x7f0000001740)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getpid() stat(&(0x7f00000017c0)='./file0\x00', &(0x7f0000001800)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x5, &(0x7f0000001880)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff]) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000018c0)=0x0) r8 = getuid() stat(&(0x7f0000001900)='./file0\x00', &(0x7f0000001940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r0, &(0x7f0000001a40)={&(0x7f0000000100)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001600)=[{&(0x7f0000000180)="819d034ae850bc15f4ede381992cfcd0138f7df37b873e4506222c934a2562574d7477cce68e21d6f6dc8a75365d9febaae38b184d4ed7a9fcec3cb13fb773c2e0a7c8ffad739fa9dd2b0de53de1289219b6c6a8b05e56acbec631de0c1b31fa18e6c9bf9a54d75c9ac37c5ac6d3cec3cd231434df595b54c3a4ff57fc93f24217ae78d2f7138a074149800f7df5dd430e944345ea11e096cf2ce86f604720823a6a338886f533fd33aa96dac9d36e5532e86fd92468cecc43d90a5c69c26fcdd48f83175bb074b3fc6a24b16f31508933a6f5ed6e6d45e62155628281e8dc85bd3a5fa4a2ee754c61d983c8c0090f7a14a5567daedae759", 0xf8}, {&(0x7f0000000280)="83735bf6ad6853fc5106d01565dff2995254615f2c9c1604ef95c3eec83b08e2e6ed6ae4dd8f9366a15e4f66301f75e00b85063385aa7b2c54c746556f5b9b87205ae7500839a69aab0be047f417d18b400b0728be61a88c42c62c4b4064736cfdf2fade618140311c779cf89c9ecdc1452ed3b1733b14bf15caf0cf293facf95522fb725d9568cf6869a9591ff9b0ecce1df62236d19d4235bf8cd318858c1bf373e34d6181e0069a11659fbb91ff9af731a07616d509cfe058767f08f866b21ec56766ba521e180714dee2240c0c089d0d4983d7a5a520c636934b806239f2e45ff739f58d34f46e48862192e12b1896a4a63d19f9a3dfc1b907b04b3627dea8c53579f0a51ecf9caf1a09983d4493091c63a01644c0a8e55de169c27fa61efb8eb06682dc10dd64f4194d6bd94076d67b78de4c4a314813d941347701d68497cf36e020d808a985135e935e7f675623e26170876da9150bc362a3d01a4e543289fde5203fffacd62b16e860345256ee961ef7ae7511bd2597feda3da3c0fa548f543508c1b08c8cfb5911a61f1b376f8b809b5e0878f3e8b5b881021ce6ed9e0dd56ae416796541e2322c7cf5b0990031550ce07a38a7ae4b70bb4c79583078034dd1702ebcd38f7aac4ddba3bce30ce49835298775324ce66d3a36e7b00c5f9aa03cc5ef541df2be4a1e53c1acba016155d57c0421783a585a66b8610d1387f7ecc7c05464d66848af3bad7fe1bdb97198a4cf228e8da9c017e9d6dc174eef73dfd26debd443c0400e551dbfeacad06bbf01efb58306cad2625f348d2ea3f958645464098491ecb5c8b781d8db594d57d9465b347d5e2634ee45ed1e28ebca7ed80fd8db6afb1cdbd9c783c2b3a0a994e82a813744ef419a1adf2369173844587bfc8642dbb31c74fe2ffab384cc7f5bc2d9e083ed0553d250c86d41a63c9257dc89d404a223fec8fcad99d4a727f8a53593cb8da3bc2b6d2e7291ef62ae8bfb0fb68d20ac541e4b430c5a1a3b9d5e4cb5c00d85eed19e7f4ad58c889d11060857f6cb9157dd9cf6408d33e7d47e2a56bdd60e623189dc7f9163a3dfdd9f2ee5afb6565c0abc8a9ff815f7b7fc0445286d029dca23442edec7b8341431008320d853f6ed3a96a288a33bf5e2e4b55c39f6b778130b9b7a548c8eb757b1ce2ac7a4b58e24a9f14e51f4f5405fa5c5489f967d4e07e9464bf46514eea9b7841e83d1c9ec7904190e403e868331b131072d1eef5398844f58fd459b4629e0af2f5afa6b079214a8e35be785b864dfedb4bc36c746b88aef8c5ea97530d0371b9bb63ce3b2e92d7319b166af48d598ca1ef3c764f67d1aaee7616ccdc7e729dab0f68a56d3cb397ae742568fa7e4465045aaf2be2b9fddd1ec1c2681b01b158f2db382bd82be117accf791f0f4a8c00d9d86a3b5fe43854093547742a919d4728cffc0a2ed87c8726c0fac0e595478ded183f18f318f03b908fa5b458f50e8750892fade31599db2bfdb2ca35cf0f83ee41c5601db6c20867c10c2da23a6ef444ffc75bca6cc31fe59c472df506412b3307f9d21b9b09de44aa8b7ac564d732cbc346757d1b2dd518efb301393cf6670f5b727a0eb7b07aeda252914639a80a0a4e6008cda27dc45906653625b31f4b11aee5cea208a98df7b46ba1b13e707d94618109bd1ca4977a455152b4e0c2a857375fd97172f4853a707f754cd70c06248f7029f3f60783689c028f08f7a87d26f99200c8d18ba7a14012179f9be1d8aa9c1a679010752fa46ea4b203434e795eaf08d62416fc4644d1dc0fe329be45264790f77baa16784098f0110175140cd17c2938c2f9043f3e09a823dfebb0304d9e0397fb0dde322044c06b55fcaee47c1bd5208631f2a3b3109b0b82cf902fe463c122193324abc7dbc9df5c2f7251a9a0dd3831fd7560e7eeb2716bf2d044098e035f37ec46d278443beaf635351b8552a370421f5f70c3056b36528c5cfea91cd0a1e8d2511a9367e611ff7474fdcda9b9d78a0e6c356991cf50bb90c001e79bea4ea0fca7ce7306f3bfa7bb8ad4f78dc965ea2bb11956c0a6904d406904908443eea111c495694e58e7a867ea2c89067e75638c4b0d134cf5c6f1a7029b72d6a04279ea2c19ed5fc87d9ded8acd146e089ec318cf6df58f0607cf16c50834b27d33f4c6ee2dd16b4cc08d4ca6503462bde05f5d54f4ee5755dc8f8402bf1c4a2186757680a2b3536292922440c48afcc9f651f8eaecf3e2acdb7d1745a1bfa437ad4c7749af633c2faa561ec06a084eaf211651973dd10f5ff460f9769b1195aafc00be74ac21d2af9806b380cd5c38a6f6683827e7521df884dff4bc8594a5009685dbfa8b6e75cf910562003b406e7cfe58aadac8ebaf85884c5e68c9fd94f574345d1e51c1a0cfc456fcbc0309e16df5d9bacaec690e81b9247eee56984df346711800ca0909d1efdd43b7686002fe42a6518ca237bbefaf114071f47af90f4c27e140940378731b7a00e2144a5895425b237823ce58f189ac1e5b1f3ea577b5ab77b039b346e1baf881bf2c3f849beeb6f94c28ae50d099a79942daefa49cb1e666d0cd90f0e66ec4380139b8be4aea68012e21f2c57b023e83fceb5095545a06d7188f5ba8a4b02ebb809450b87a6bc448bd9e714f3c12c40453f6b1a9462acb2cc9d7c6d1106169850648173ade6de504edb2a5d9f68f83b6e3ce5b6fd0a204466a482c12895e817ed9289179d586c8887fad9c09815250a591e4af019096318d56a2a4b57ee1b7ceb0126acacd3761b9bdf63084123bb73730c5910d40a5d2208d3320a4e977fe599a63a94bce3555d088d3df6440246c2a42508540b4e724f77c201a1dcdef13964e4f9e24d0994a9416ba35d2d92ebc4a02d9b034a7463f02e1eb2ac208993536e352ad080b61e15c91170a69d72efb51964fb073634cf07b8eb577074888f181c5cbd16e2a003e2163e40a86b7d805d6d374005900c4c4841b1b81bb4308efc951015959242772c6350e0e51b063c6f3b3b556cdec7f22b2768ef9ce0fc95f7a6488696f89a5782021b83f2cadafe57c44228238c153e465b79106087c98a3c47b7ecb2556229aef336e2ad8fdf665c71098dcd91721fe0227e2e9cbb3d761211f9a335e22a6e7c8cb37a1f4a9efeb2e69c1b815b6dde5d655dfc8e01c28ef37f48cfe3803a8ddfa07ef512939c97cbaef3f18b9d25411405bf749af0545867c6582bef24f1d81ffc057dfafa61a3d8c603bd493a904e658e5e86af597201b784d1cbb1e3a70f109ff5af9bc8b3d18238d8b90a04e8c79f2269a10dc59b462a2c9f642bec609ae8d2dc66156a669d9638630c4e0aa41f18eb5676c8d9231d8f7fb1ddca59b5be83ca7d9647344ff273ae88fb6c11edfaf330ff844e00ca8f5762fe349f2ac93687edb14dfda57a762a255543d0611600c58edb2a9158b71d7e6a5fcd0dd1329551297aa66811aab2c90afdc141f7f5cf9b36e8f16cf892cb1f65b61414734eb6aaba0992215ee87ebc527c1338978fdd3b1908208c2561364e176710c86839be2d388fba9cf6f9fdfd3065fecceea07ff484233f1ea87bb3845e370a8ee30aadc80fdf800cb0165eb286114945f9870aae8a2650d4e815dd8fd9edb06a1cb0acea44f266c8d315e675c3dde29fbb40ca18e4d1fffd3247996b28736d76ee5945d02c6060e5100b5eea5034f470795eb011abd47e43f35b9f017b314659579e4d60838fb3a35bc5e7bebd1ab4273ebda5eca27d2ab7d1c7a260a9d8587b222f03c304a0a622c0f080a8bb5d066bd3fad1ef724421c18535939287e26b257065f81603ce83960ed8148ab5ab645d191e7bd702e2965a989fa648da209353846f2233eb17ce0d733401065bbb23f3dc6579dd13a9a6731ef4df2504d8120bd2ef11e0579dfaeb6623b8fa903f8b9ddea78019a649f04166803645b51c17532f184e722a66d0cefd0fd7258eeb059c0003ebcf473d7b3b4a27286fab29462c706803966104469b73e6c8c32cf46e0bd7fb0e11484180688a610866bd93c162da48206a96d9e49299c913475f19fe0a9b2f6e4a8fa1fb513a697324427c241861527ead1628ce78a597336505387b80eaa604dbbf093f0d165d7d6c8f88cb97ce4ece45e25118f26ba34adb3963e25d63eace262da6ae6bbd071aac482088f2cb6de3a3cbd95a8c2722cccbf6933175ca8f7de46c7a975db92c68943c9275be13d8a24654992acaaa8b1354d0d58ca4417e6352337066ced8028b63058f5a4dbd12ec678f60a74cee951e047a48a87422d2b49fbb822e52a283a1235a5e4d5dcf74f8aa944db102ec184a4143765e0f49feb3855a1cd3c961c92e3ddca20078ebb6ada5d9da5fda23c8e37becbe62debc4da31d9e82906bfca935df2b3dbdd745952847a103de7662885f39cbbc5fb003593ca48ed5f88c0d4d4e717f6aa8e21449f87d2a0faeab67991bf9368cc11d9f6c0008d467fdb78e83260c52b5a39731969148ce25d21222fdd2414a712887d89966b217e24f4b3a040f734ea6d9d1b6a9bafb868d8cbf771bf16ae03d9101507c7f8f77491d4ee7c72447fd3dec891417f00173201ef223a1ea25aef0bab47cb9c544c47e50fc924cecbc2c2950afd4444167f3d99327bf58ab47c00cfa2e488e015eacb1222d818228a5e7e56d19d91be8b86e3f183c2bb70e57cfbebc677c4b4bfa8d2ba74aa192612461d6c9e27f6b329e9c282947fd62d089f8ff96dcdd6594c04f804e7dce02ede853feca34cdcd2efbba996ef78fb5a4c61fb6da9b7fc6afce91924444f798cd1455e30f8ec852cb670b5ea4f69be572dc5c8407a8e5ff193fbba64af8d29008c6237cb83185a303620c1a02709e56465300c1c07a923fa8d98a4e8e5c732b638fd40cd403d0f904fc8bfb75e9144d4c6e8d4db0750025f4499c82dec628ea4034e60455f353ce2a96b846c2c2e51a2d297f79bdd63018f3b00bb22d354fa00d7aae7a8888024afea796dd71bba0dc27251f0f86b499a36b6e0ea244502ed904f46849fec69b2c32cd38063d4a504d4e1e39195a37a857ff5532059cd269934b4aea447dd03f1e92a093b7f652d6b4e631faee7b0b60e2be650f02f7014a89c6d519534d53eecacc2421f6cc3d13ed076830fc73ec06816de97de9ec117b31d9fe256c14aa0f7771441b4394315d41da108ab3f3598d7bd72684df2805bfca224f7f5cfcf25f93a4f31a1a806dc1b60bf485855a747f29c0a2e59d86ff1ad3367290bd990610ba8649dc68c4f0e4d3642f4c34bcd85d0d9e92d18388833763becbd93530c5bef8a21e594a2d465f43e376c0a821f55f54d7fefdb5fd51450c2780de2211ee6dc161c1d5ddc54f3222e257ecd701612268fc1589e628abc0af5076cbf8e03d5e549ef2fc9a61bb6c1f44e531f94a4f431bbbaa165554251174944c5c25a26f4f9958737551f8bf7354b9fa3ba4f9f9890463561fe4b4889ec271135b4b9e4f50a14ab23ea229b65af5d187e2138195e1f02978d644234dbf3b92ef4d9e154d08ef39dc28952617c88988a8bde1d390f55b72fe6fc38e36c3be663be7549673c5bf1a744fad2625688f531b4e1539da57f454f47368984f70af9e5ff350b92742ad247b3b539515b4bf9a55296a5918ccc08918dc21acbc89b2e8ba135cc3852a2974a9f1767a2468aa3f1b50e0dd15c5d8385dc4a34300d6680a07f379d9a79862b6e41900269ba88c5f28429f9da32e159aeb0f6339397a95b2b664c1dad15a26648811fed03df80c1eddc47c6e", 0x1000}, {&(0x7f0000001280)="529d3b74da6089a6ad542be987ec9d1e6db173f0d9173a403f9e14c51afcd28743496426a286476081cf6775c42dfb4488abfa3390a05465c6e79022e2ff38f2bb10585483f358905eea39d0e0da1dc214bd617f138e739b0d5acc08a8d6bea40744", 0x62}, {&(0x7f0000001300)="c5688fab14d473ed3ab112af87fb06b6661564eaa9f0602a625ff65584252a7747af70af2f656c6e9b6828a4241976ea3fa5ab3c7817cf5b673dbfa9b097a164276410468ebdbfc13d1469903e04a55b71520afd63c3726e07b55101024ff889197c39ee8bf9bf784dd33da96acb5278451104b6e25d908c4eee59d059049b829fff406edefef0e6dba6ae5eb55f7654d4541e0cdec5feeb209937def9b8360c998107a1b7d8f712f4412dd90571f685a121c0cd8a2415d40b7c4bf1f56caf29ed2a5d4767bf7d37d6096993e8041f41ebf2b96942d9bb3e76254f63409d35e05c3b", 0xe2}, {&(0x7f0000000080)="b53db2", 0x3}, {&(0x7f0000001400)="1f5e8c", 0x3}, {&(0x7f0000001440)="0cf2b53f6078d5431c321b301d387dbed4b6d338a0e7305ab6f2ab172658fd7bbabdda84dbe3640f1017e6343b1712de1aeb6aefb4265cbc4babc8b1af98a03664cca1fe096680b64780ef314a18ce9cefba0d8d65e6cf68646e70b445aee28dbf378a3f2d9acf367ba195ce0ac4033d7469e9a715c8649eaac7047a7b111b779fa6af3fe4c842a647d4b1272b31fe5e3ebb109482b4554151e046763106f4d540ee17b4b4ff0933275a3ff473", 0xad}, {&(0x7f0000001500)="cd3b970190ddd0f499d85aaea6c36053a3a9ad86beeab2e1d228d8ef0a07051263369ac9a2f728d891178eadb315aea8d985af4f88d2e9a790011cd57a377f2dd414837b246c4f1bf83d7c18488075c8c9af34b19a346d2292022ff8e582b029cc21e7533ee50dcc012da31eb84e8ae9f1aeaece0e78df86451fd0ee7d9e69a161a25c4422e55cb3cc84d445e178c3c30c12ab8bbe547b0eecdf2eab00a46ba8f88ae7bffa8f6850ba87275a0df35ed62f1c0348812973419b700c442f594df34f6f849f1aeb416f4223b552a87d92c009f3da7e4e91bfb8c4c90c26fad0ff3645efe65520ee142d", 0xe8}], 0x8, &(0x7f0000001bc0)=ANY=[@ANYBLOB="180000000100000002000000", @ANYRES32=r1, @ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="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", @ANYRES32=r4, @ANYRES32=r5, @ANYRES32=r6, @ANYBLOB="140000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYBLOB="180000000100000002000000", @ANYRES32=r7, @ANYRES32=r8, @ANYRES32=r9], 0x5c, 0x80}, 0x90) ioctl$int_out(r0, 0x40044145, &(0x7f00000000c0)) 2018/06/01 10:46:00 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x8000000000000003, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0xfff, 0x24, [0x0, 0x4, 0xa7c4, 0x3, 0x6, 0x5, 0x1, 0xffffffffffff0001, 0x1]}) 2018/06/01 10:46:00 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2041, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f00000000c0)=0x7, 0x4) 2018/06/01 10:46:00 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xd600, 0x0) 2018/06/01 10:46:00 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1278, r0) 2018/06/01 10:46:00 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) tkill(r0, 0x15) 2018/06/01 10:46:00 executing program 6: r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f00008a5ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet(r0, &(0x7f00004b3fff), 0x0, 0x0, &(0x7f0000000000)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) [ 296.268277] FAULT_INJECTION: forcing a failure. [ 296.268277] name failslab, interval 1, probability 0, space 0, times 0 [ 296.279649] CPU: 1 PID: 21026 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 296.287190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.296762] Call Trace: [ 296.299385] dump_stack+0x1b9/0x294 [ 296.303172] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.308424] should_fail.cold.4+0xa/0x1a [ 296.312521] ? __kmalloc_track_caller+0x14a/0x760 [ 296.317404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.322539] ? cgroup_mkdir+0x825/0x10d0 [ 296.326630] ? kernfs_iop_mkdir+0x159/0x1e0 [ 296.330983] ? do_mkdirat+0x266/0x2f0 [ 296.334810] ? __ia32_sys_mkdirat+0x74/0xb0 [ 296.339161] ? do_fast_syscall_32+0x345/0xf9b [ 296.343681] ? entry_SYSENTER_compat+0x70/0x7f [ 296.348326] ? graph_lock+0x170/0x170 [ 296.352171] ? find_held_lock+0x36/0x1c0 [ 296.356265] ? print_usage_bug+0xc0/0xc0 [ 296.360363] ? find_held_lock+0x36/0x1c0 [ 296.364681] ? __lock_is_held+0xb5/0x140 [ 296.368905] ? check_same_owner+0x320/0x320 [ 296.373268] ? rcu_note_context_switch+0x710/0x710 [ 296.378237] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.383292] __should_failslab+0x124/0x180 [ 296.387579] should_failslab+0x9/0x14 [ 296.391416] kmem_cache_alloc+0x2af/0x760 [ 296.395626] ? memcpy+0x45/0x50 [ 296.398951] ? kstrdup+0x59/0x70 [ 296.402363] __kernfs_new_node+0xe7/0x580 [ 296.406549] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 296.411371] ? pointer+0xa10/0xa10 [ 296.414948] ? kasan_check_write+0x14/0x20 [ 296.419222] ? snprintf+0xa5/0xd0 [ 296.422713] ? vsprintf+0x40/0x40 [ 296.426286] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 296.430827] kernfs_new_node+0x80/0xf0 [ 296.434754] __kernfs_create_file+0x4d/0x330 [ 296.439193] cgroup_addrm_files+0x437/0xaf0 [ 296.443639] ? cgroup_css.part.14+0x1f0/0x1f0 [ 296.448171] ? mark_held_locks+0xc9/0x160 [ 296.452345] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 296.456954] ? _raw_spin_unlock_irq+0x27/0x70 [ 296.461482] ? trace_hardirqs_on_caller+0x421/0x5c0 2018/06/01 10:46:00 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xd400, 0x0) 2018/06/01 10:46:00 executing program 6: socket$vsock_stream(0x28, 0x1, 0x0) getresgid(&(0x7f0000000100)=0x0, &(0x7f00000001c0), &(0x7f0000000200)) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000240)={{{@in6, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@dev}}, &(0x7f0000000340)=0xe8) r2 = syz_fuseblk_mount(&(0x7f0000000380)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x2002, r1, r0, 0x2, 0x766, 0x40) r3 = fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) ioctl$TUNSETTXFILTER(r3, 0x400454d1, &(0x7f0000000000)={0x1}) perf_event_open(&(0x7f0000000140)={0x2, 0xb1, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = gettid() ptrace$getsig(0x4202, r4, 0xcdb6, &(0x7f0000000040)) r5 = socket$inet6(0xa, 0x1, 0x4000000000000084) rt_sigprocmask(0x0, &(0x7f0000024000)={0xfffffffffffffffe}, 0x0, 0x8) io_setup(0x20, &(0x7f0000c6b000)=0x0) io_submit(r6, 0x1, &(0x7f0000356ff0)=[&(0x7f0000928fc0)={0x0, 0x0, 0x0, 0x1, 0x0, r5, &(0x7f0000001ec0)='[', 0x1}]) [ 296.466530] ? mutex_unlock+0xd/0x10 [ 296.466554] ? cpuset_css_online+0x5a0/0x830 [ 296.474823] ? kasan_check_write+0x14/0x20 [ 296.479086] ? online_css+0x259/0x330 [ 296.483051] css_populate_dir+0x1a8/0x420 [ 296.487240] cgroup_apply_control_enable+0x43b/0xce0 [ 296.492395] ? cgroup_propagate_control+0x5a0/0x5a0 [ 296.497455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.503024] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 296.507563] ? cgroup_file_name+0x1f0/0x1f0 [ 296.511934] ? css_populate_dir+0x2a2/0x420 [ 296.516928] cgroup_mkdir+0x825/0x10d0 [ 296.520861] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 296.525642] ? map_id_up+0x196/0x3c0 [ 296.529401] ? make_kprojid+0x30/0x30 [ 296.533248] ? set_nlink+0xaf/0x140 [ 296.536953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.542529] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 296.548199] ? kernfs_get_active+0xb2/0x120 [ 296.552560] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 296.557373] kernfs_iop_mkdir+0x159/0x1e0 [ 296.561549] ? getname_flags+0xd0/0x5a0 [ 296.565559] vfs_mkdir+0x42e/0x6b0 [ 296.569148] do_mkdirat+0x266/0x2f0 [ 296.572814] ? __ia32_sys_mknod+0xb0/0xb0 [ 296.576995] ? mm_fault_error+0x380/0x380 [ 296.581186] __ia32_sys_mkdirat+0x74/0xb0 [ 296.585373] do_fast_syscall_32+0x345/0xf9b [ 296.589825] ? do_int80_syscall_32+0x880/0x880 [ 296.594441] ? _raw_spin_unlock_irq+0x27/0x70 [ 296.599058] ? finish_task_switch+0x1ca/0x840 [ 296.603613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.609323] ? syscall_return_slowpath+0x30f/0x5c0 [ 296.614315] ? sysret32_from_system_call+0x5/0x46 [ 296.619206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.624157] entry_SYSENTER_compat+0x70/0x7f [ 296.628565] RIP: 0023:0xf7fa6cb9 [ 296.631940] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 296.639693] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 296.647020] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 296.654321] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 296.661616] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 296.668915] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 296.676445] cgroup: cgroup_addrm_files: failed to add effective_cpus, err=-12 2018/06/01 10:46:01 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2041, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f00000000c0)=0x7, 0x4) 2018/06/01 10:46:01 executing program 2: r0 = socket$rds(0x15, 0x5, 0x0) connect$rds(r0, &(0x7f00000001c0)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x13}}, 0x10) accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80000) r1 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f00000000c0)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000240)='net/ip6_tables_targets\x00') sched_setaffinity(r2, 0x8, &(0x7f0000000040)=0x10001) preadv(r3, &(0x7f0000000000)=[{&(0x7f0000000080)=""/1, 0x1}], 0x1, 0x0) 2018/06/01 10:46:01 executing program 0: r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x5, 0x40) perf_event_open$cgroup(&(0x7f00000000c0)={0x7, 0x70, 0x2, 0x10000, 0x1, 0x4, 0x0, 0x3, 0xe8100, 0xa, 0x8, 0x8001, 0x800, 0x4, 0x1, 0x3, 0x3, 0x1a28c0000000000, 0x7, 0x8, 0x7fffffff, 0x40, 0xffffffffffffffff, 0x8, 0x9e, 0xcfa9, 0xffffffffffffffc1, 0x3000000000, 0x5, 0x400, 0x233b, 0x1, 0xffffffff, 0x7, 0x87a7, 0x100, 0x80000000, 0x900000, 0x0, 0x0, 0x4, @perf_bp={&(0x7f0000000080), 0x8}, 0x20, 0xff, 0x3, 0x7, 0xe0, 0x8000000000000, 0x80}, r0, 0x4, r0, 0x1) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x100000000000, 0x0) 2018/06/01 10:46:01 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xdb, 0x0) 2018/06/01 10:46:01 executing program 5 (fault-call:2 fault-nth:22): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:01 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1279, r0) 2018/06/01 10:46:01 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) tkill(r0, 0x15) 2018/06/01 10:46:01 executing program 6: r0 = socket$nl_xfrm(0x2, 0x6, 0x21) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10d, 0x10, &(0x7f0000000000)=0x1, 0x4) sendmsg$nl_xfrm(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="b8000000130000000000000000000000000000000000000000000000017f00000100000000000000000000000000000000000000000000000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0xb8}, 0x1}, 0x0) [ 297.349725] FAULT_INJECTION: forcing a failure. [ 297.349725] name failslab, interval 1, probability 0, space 0, times 0 [ 297.361217] CPU: 0 PID: 21051 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 297.368619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.378104] Call Trace: [ 297.380743] dump_stack+0x1b9/0x294 [ 297.384535] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.389880] should_fail.cold.4+0xa/0x1a [ 297.394001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.399169] ? graph_lock+0x170/0x170 [ 297.403105] ? zap_class+0x720/0x720 [ 297.406852] ? kmem_cache_alloc+0x12e/0x760 [ 297.411228] ? find_held_lock+0x36/0x1c0 [ 297.415363] ? __lock_is_held+0xb5/0x140 [ 297.419497] ? check_same_owner+0x320/0x320 [ 297.423867] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.428946] ? rcu_note_context_switch+0x710/0x710 [ 297.433943] __should_failslab+0x124/0x180 [ 297.438236] should_failslab+0x9/0x14 [ 297.442084] __kmalloc_track_caller+0x2c4/0x760 2018/06/01 10:46:01 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000180)='/dev/net/tun\x00', 0x0, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x70b141, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r1, 0xc2c45513, &(0x7f00000001c0)={{0x6, 0x5, 0x3, 0x5, "bfe332d18988b7f480a6df5112438b46abe134d252335c91f6dd714c1646e1104de86e58f07f75e7b5c6022c", 0x2}, 0x0, [0x8, 0xa1c, 0x3, 0x1ff, 0x1000, 0x8, 0x9, 0xdd, 0x3, 0x5, 0x1, 0x0, 0xfff, 0x8, 0x8, 0xe1, 0x9, 0xffff, 0xfff, 0x6, 0x7fffffff, 0x5, 0x1, 0x43c, 0x9, 0xe96d, 0x80000001, 0x22, 0x0, 0x800, 0x3, 0xffffffff, 0x80000001, 0x5, 0x6, 0x241, 0x10000, 0x3, 0x8000, 0x1, 0x8, 0xfffffffeffffffff, 0x571b, 0xfffffffffffffff7, 0xfffffffffffffff7, 0xfffffffffffffffa, 0x80000001, 0x7, 0x14, 0x2, 0xe5, 0x7, 0x3f, 0x1, 0x46d0ee5, 0x5, 0x9, 0x1, 0x80000000, 0x4, 0x9, 0x0, 0x6, 0xffffffffffffffff, 0x7, 0x5, 0x1, 0x8, 0xe4, 0x9, 0xffff, 0x8001, 0x3ff, 0x8, 0x81, 0x7, 0x4, 0x5, 0x2, 0x401, 0x0, 0x7fff, 0x5afe80000000, 0x8, 0x90, 0x1, 0xfff, 0x6, 0x8, 0xe5, 0xa4, 0x6, 0x7, 0x5, 0x0, 0x10000, 0x6, 0x3, 0x0, 0x4, 0x400, 0x1, 0x1f, 0x8, 0x8, 0x0, 0x5, 0x4, 0x1, 0x9, 0xf7, 0xffffffff, 0xfff, 0x27, 0x100, 0x6, 0x7, 0x7, 0x517, 0x95, 0x4, 0xfffffffffffffff9, 0x0, 0x7, 0x12c2, 0xb35, 0x8001, 0x101], {0x77359400}}) ioctl$int_in(r0, 0x5452, &(0x7f0000000040)=0x3) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a45321, &(0x7f00000000c0)={{0x5, 0x8}, 'port1\x00', 0x25, 0x40000, 0x8, 0x5, 0x9, 0x1, 0x5, 0x0, 0x1, 0x100}) fcntl$setstatus(r0, 0x4, 0x1) r2 = getpgrp(0x0) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x6, 0x80, 0x1ff, r2}) 2018/06/01 10:46:01 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xee00, 0x0) [ 297.446953] ? string+0x21d/0x2c0 [ 297.450569] ? kstrdup_const+0x66/0x80 [ 297.454515] kstrdup+0x39/0x70 [ 297.457767] kstrdup_const+0x66/0x80 [ 297.461539] __kernfs_new_node+0xa8/0x580 [ 297.465749] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 297.470557] ? pointer+0xa10/0xa10 [ 297.474296] ? kasan_check_write+0x14/0x20 [ 297.478583] ? snprintf+0xa5/0xd0 [ 297.482076] ? vsprintf+0x40/0x40 [ 297.485569] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 297.490113] kernfs_new_node+0x80/0xf0 [ 297.494059] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:01 executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) write$binfmt_script(r2, &(0x7f0000000400)=ANY=[@ANYBLOB="2321202e2f66696c6530202f6465762f6b766d00202f6465762f766373000ae6accada063c33e49ee70200b5304862ca7b7e7e13b86659c012f00ebda528d61dcce6ee53dafa9454cfbd3eacb4f086641441b49eff80b615c0f6f0b95924b3e1c9b19b28bb4b3f1a0d30edca8a081f3ba9e60f28beb85150cb4299eade48dbfa6695d15ddf7c18b5063576e26524fca2b05b201cf26286ab720cbb05951f3b302291d4ff40e422c3c1259a3deb74d31bb5f35d77d2cde739186fc0ee58b13101e459909cc4e365936ede8452e52621eda17a7ff2"], 0x5e) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000040)=ANY=[@ANYBLOB="01000000000000000100000000000000010000000000000000000000ff"]) r3 = add_key$user(&(0x7f0000000080)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000100)="a22e75dba0f270ededb13f88aca8c3dd6e4768a9b00ff899c64888887391ab95595a6c1afdb5c834985a00130e3de173cfb27f285ff1aa3804c158d7fa7c166d87271d11c8c41756ef5e9bdd7d86fdd600a69b2912baee68545a3c50699d3ebca8460bd4d6b3d86b7bfc76d8a60d302b65716175c10be8ec0a26", 0x7a, 0xfffffffffffffffe) keyctl$describe(0x6, r3, &(0x7f0000000180)=""/16, 0x10) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000000)={0x1, 0x0, [{0x480, 0x0, 0xd07ee511}]}) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/vcs\x00', 0x103000, 0x0) getdents(r4, &(0x7f0000000240)=""/95, 0x5f) [ 297.498526] cgroup_addrm_files+0x437/0xaf0 [ 297.502933] ? cgroup_css.part.14+0x1f0/0x1f0 [ 297.507491] ? mark_held_locks+0xc9/0x160 [ 297.511693] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 297.516329] ? _raw_spin_unlock_irq+0x27/0x70 [ 297.520864] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 297.525939] ? mutex_unlock+0xd/0x10 [ 297.529963] ? cpuset_css_online+0x5a0/0x830 [ 297.534422] ? kasan_check_write+0x14/0x20 [ 297.538784] ? online_css+0x259/0x330 [ 297.542640] css_populate_dir+0x1a8/0x420 [ 297.546849] cgroup_apply_control_enable+0x43b/0xce0 [ 297.552016] ? cgroup_propagate_control+0x5a0/0x5a0 [ 297.557085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.562666] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 297.567303] ? cgroup_file_name+0x1f0/0x1f0 [ 297.571691] ? css_populate_dir+0x2a2/0x420 [ 297.576064] cgroup_mkdir+0x825/0x10d0 [ 297.580012] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 297.584901] ? map_id_up+0x196/0x3c0 [ 297.588667] ? make_kprojid+0x30/0x30 [ 297.592503] ? set_nlink+0xaf/0x140 [ 297.596181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.601774] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 297.607381] ? kernfs_get_active+0xb2/0x120 [ 297.611735] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 297.616631] kernfs_iop_mkdir+0x159/0x1e0 [ 297.620856] ? getname_flags+0xd0/0x5a0 [ 297.624886] vfs_mkdir+0x42e/0x6b0 [ 297.628474] do_mkdirat+0x266/0x2f0 [ 297.632134] ? __ia32_sys_mknod+0xb0/0xb0 [ 297.636318] ? mm_fault_error+0x380/0x380 [ 297.640504] __ia32_sys_mkdirat+0x74/0xb0 [ 297.644695] do_fast_syscall_32+0x345/0xf9b [ 297.649057] ? do_int80_syscall_32+0x880/0x880 [ 297.653665] ? _raw_spin_unlock_irq+0x27/0x70 [ 297.658192] ? finish_task_switch+0x1ca/0x840 [ 297.662738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.668314] ? syscall_return_slowpath+0x30f/0x5c0 [ 297.673281] ? sysret32_from_system_call+0x5/0x46 [ 297.678167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.683055] entry_SYSENTER_compat+0x70/0x7f [ 297.687491] RIP: 0023:0xf7fa6cb9 [ 297.690871] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 297.698609] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 297.705897] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 297.713282] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 297.720573] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 297.727863] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 297.735463] cgroup: cgroup_addrm_files: failed to add effective_mems, err=-12 2018/06/01 10:46:02 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf500, 0x0) 2018/06/01 10:46:02 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2041, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f00000000c0)=0x7, 0x4) 2018/06/01 10:46:02 executing program 0: r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x200000002000, 0x2a00) ioctl$TIOCGETD(r0, 0x5424, &(0x7f0000000040)) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x201, 0x0) ioctl$DRM_IOCTL_AUTH_MAGIC(r0, 0x40046411, &(0x7f00000001c0)=0x3f) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000080)={0x0, 0xd2}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000100)={r1, 0x45d, 0x1, 0x100000000}, &(0x7f0000000180)=0x10) 2018/06/01 10:46:02 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x402c582a, r0) 2018/06/01 10:46:02 executing program 2: modify_ldt$write2(0x11, &(0x7f0000000080)={0x5, 0x20001000}, 0x10) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f00008deff8)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f0000000000)='nfs4\x00', 0x0, &(0x7f0000000040)="01") 2018/06/01 10:46:02 executing program 5 (fault-call:2 fault-nth:23): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:02 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:02 executing program 6: r0 = add_key(&(0x7f0000000300)='pkcs7_test\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000380)="616e6c3b9d06e72ab0b19df855613bf152486a089c765a63ce5b69bb3c309c7a783fb481d0b3f9873852e137ffd3ba1c0b26f4232821eed1a4668dc968859c1296a40cd3048d1d92cddbb7eb2f6b5be1d78cf5bdf43eff8210fc28c20ff7fb2dd8e3507481462fabad1851e1b7bad5ac2aaac4", 0x73, 0xffffffffffffffff) r1 = add_key$user(&(0x7f0000000400)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a}, &(0x7f00000002c0)="002d7c343b1413d850eb156aa23865c4b4b29c1c88ccc50bcef413d0a57d82c2ad863709f2e5a5796ef3009922611ec2836532f5d66b0f5814d9", 0xfffffffffffffdc3, r0) r2 = request_key(&(0x7f0000000180)='big_key\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000200)=']]\x00', 0xffffffffffffffff) keyctl$search(0xa, r1, &(0x7f0000000100)='dns_resolver\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, r2) delete_module(&(0x7f0000000240)='user\x00', 0x45a9c86a4cac6821) keyctl$update(0x2, r1, &(0x7f0000000300), 0x0) [ 298.319821] FAULT_INJECTION: forcing a failure. [ 298.319821] name failslab, interval 1, probability 0, space 0, times 0 [ 298.331260] CPU: 0 PID: 21090 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 298.338658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.348042] Call Trace: [ 298.350676] dump_stack+0x1b9/0x294 [ 298.354349] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.359609] should_fail.cold.4+0xa/0x1a [ 298.363718] ? __kmalloc_track_caller+0x14a/0x760 [ 298.368625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.373874] ? cgroup_mkdir+0x825/0x10d0 [ 298.377973] ? kernfs_iop_mkdir+0x159/0x1e0 [ 298.382331] ? do_mkdirat+0x266/0x2f0 [ 298.386170] ? __ia32_sys_mkdirat+0x74/0xb0 [ 298.390545] ? do_fast_syscall_32+0x345/0xf9b [ 298.395556] ? entry_SYSENTER_compat+0x70/0x7f [ 298.400182] ? graph_lock+0x170/0x170 [ 298.404031] ? find_held_lock+0x36/0x1c0 [ 298.408144] ? print_usage_bug+0xc0/0xc0 [ 298.412260] ? find_held_lock+0x36/0x1c0 [ 298.416373] ? __lock_is_held+0xb5/0x140 [ 298.420474] ? rt_mt6+0x50/0x1070 [ 298.423996] ? check_same_owner+0x320/0x320 [ 298.428369] ? rcu_note_context_switch+0x710/0x710 [ 298.433343] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.438498] __should_failslab+0x124/0x180 [ 298.442859] should_failslab+0x9/0x14 [ 298.442881] kmem_cache_alloc+0x2af/0x760 [ 298.442899] ? memcpy+0x45/0x50 [ 298.442924] ? kstrdup+0x59/0x70 [ 298.442958] __kernfs_new_node+0xe7/0x580 [ 298.442984] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 298.443009] ? pointer+0xa10/0xa10 [ 298.450992] ? kasan_check_write+0x14/0x20 [ 298.451014] ? snprintf+0xa5/0xd0 [ 298.451029] ? vsprintf+0x40/0x40 [ 298.451047] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 298.451076] kernfs_new_node+0x80/0xf0 [ 298.451101] __kernfs_create_file+0x4d/0x330 [ 298.457756] cgroup_addrm_files+0x437/0xaf0 [ 298.457797] ? cgroup_css.part.14+0x1f0/0x1f0 [ 298.481496] ? mark_held_locks+0xc9/0x160 [ 298.481522] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 298.512081] ? _raw_spin_unlock_irq+0x27/0x70 2018/06/01 10:46:02 executing program 6: r0 = socket(0x10, 0x803, 0x0) write(r0, &(0x7f00000000c0)="2600000022004701050007008980e8ff06006d20002b1f00c0e9ff094a51f10101c7033500b0", 0x26) setsockopt$sock_int(r0, 0x1, 0x20000000000008, &(0x7f0000000000), 0x4) mq_notify(0xffffffffffffffff, &(0x7f0000000200)={0x20000000, 0x8000000000015, 0x2, @thr={&(0x7f0000000080), &(0x7f0000000100)}}) close(r0) getsockopt$inet_mreqn(r0, 0x0, 0x813cc1b154d6d32, &(0x7f0000000080)={@empty, @rand_addr, 0x0}, &(0x7f0000000100)=0xc) accept4$packet(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0x14, 0x80800) sendmsg$nl_route(r0, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=@ipv4_getnetconf={0x44, 0x52, 0x0, 0x70bd28, 0x25dfdbfd, {0x2}, [@NETCONFA_IFINDEX={0x8, 0x1, r1}, @NETCONFA_FORWARDING={0x8, 0x2, 0x400}, @NETCONFA_RP_FILTER={0x8, 0x3, 0x5}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6}, @NETCONFA_IFINDEX={0x8, 0x1, r2}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x80}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x4008000) [ 298.516698] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 298.521850] ? mutex_unlock+0xd/0x10 [ 298.525597] ? cpuset_css_online+0x5a0/0x830 [ 298.530060] ? kasan_check_write+0x14/0x20 [ 298.534327] ? online_css+0x259/0x330 [ 298.538174] css_populate_dir+0x1a8/0x420 [ 298.542364] cgroup_apply_control_enable+0x43b/0xce0 [ 298.547524] ? cgroup_propagate_control+0x5a0/0x5a0 [ 298.552572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.558139] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 298.562657] ? cgroup_file_name+0x1f0/0x1f0 2018/06/01 10:46:02 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc7, 0x0) 2018/06/01 10:46:02 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="fd8ce26cf9ac17f0f97e85278a370a0f7994f0e20d688200584e8e2ed353828cd85a2a15188dbfbc535dbefab10a923cfd02314387819638af3d21824371acdf4a28fc0d5dd8ee3beffb86fdfab7fcab939296cc4e3b8be2f0ed3fa062d9c52f41985c1cd6dc8c82ded5ad81dec3257b81dbce2bb8395216e1e612c91f858150003d15dee5c2890f58ae096483799812f34911fb0d54b498ddc9f208a4890552caacba47662190512f4bb17705a5f5ee0ac82b24ea20c3fe8f7fdf5a2f5b0a85d311f61f83317e8973a76c2088042d0af68b271741acda9c29ede39c266a1c02b624a9e94aaf968904c9c1920a719de546b52229d9ddd3679b361a6467") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2041, 0x0) [ 298.567025] ? css_populate_dir+0x2a2/0x420 [ 298.571392] cgroup_mkdir+0x825/0x10d0 [ 298.575331] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 298.580133] ? map_id_up+0x196/0x3c0 [ 298.583892] ? make_kprojid+0x30/0x30 [ 298.587739] ? set_nlink+0xaf/0x140 [ 298.591407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.596992] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 298.602566] ? kernfs_get_active+0xb2/0x120 [ 298.606925] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 298.611714] kernfs_iop_mkdir+0x159/0x1e0 [ 298.615887] ? getname_flags+0xd0/0x5a0 2018/06/01 10:46:02 executing program 2: r0 = creat(&(0x7f00000000c0)='./bus\x00', 0x0) ftruncate(r0, 0x40000001) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000009000/0x3000)=nil, 0x3000, 0x2000001, 0x11, r1, 0x0) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x3, 0x12, r1, 0x0) fstat(r0, &(0x7f0000000040)) mlock(&(0x7f0000001000/0x3000)=nil, 0x3000) ioctl$EVIOCGKEYCODE(r1, 0x80084504, &(0x7f0000000140)=""/58) sigaltstack(&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000000)) mlock2(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0) sigaltstack(&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000000100)) [ 298.619901] vfs_mkdir+0x42e/0x6b0 [ 298.623482] do_mkdirat+0x266/0x2f0 [ 298.627161] ? __ia32_sys_mknod+0xb0/0xb0 [ 298.631355] ? mm_fault_error+0x380/0x380 [ 298.635550] __ia32_sys_mkdirat+0x74/0xb0 [ 298.639738] do_fast_syscall_32+0x345/0xf9b [ 298.644097] ? do_int80_syscall_32+0x880/0x880 [ 298.648708] ? _raw_spin_unlock_irq+0x27/0x70 [ 298.653245] ? finish_task_switch+0x1ca/0x840 [ 298.657777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.663346] ? syscall_return_slowpath+0x30f/0x5c0 2018/06/01 10:46:03 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000001c0)={0x26, 'hash\x00', 0x0, 0x0, 'sha3-384-generic\x00'}, 0xfffffffffffffe76) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0311cfc093a52a7d86bd1", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000000), 0x229, &(0x7f0000000040)=[@op={0x10, 0x117, 0x3, 0x1}], 0x10}, 0x0) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x400, 0x0) setsockopt$RDS_RECVERR(r2, 0x114, 0x5, &(0x7f0000000080), 0x4) socket$inet(0x2, 0x4, 0xf5b) recvmsg(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)=""/138, 0x8a}, {&(0x7f0000000400)=""/220, 0xdc}, {&(0x7f0000000600)=""/139, 0x8b}], 0x3, &(0x7f00000006c0)=""/235, 0xeb, 0x1}, 0x40000001) recvmsg(r0, &(0x7f00000008c0)={&(0x7f0000000500)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast2}}}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000800)=""/183, 0xb7}], 0x1, &(0x7f0000000580)=""/84, 0x54}, 0x1) dup2(r2, r0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240), 0x0, &(0x7f0000000280)=""/91, 0x5b}, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r2, 0xc058534f, &(0x7f0000000140)={{0x400, 0x2}, 0x0, 0x1, 0x549722b4, {0xff, 0x6}, 0x8000, 0x7}) [ 298.668316] ? sysret32_from_system_call+0x5/0x46 [ 298.673197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.678094] entry_SYSENTER_compat+0x70/0x7f [ 298.682533] RIP: 0023:0xf7fa6cb9 [ 298.685918] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 298.693666] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 298.700967] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 298.708261] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:03 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xae00, 0x0) 2018/06/01 10:46:03 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="fd8ce26cf9ac17f0f97e85278a370a0f7994f0e20d688200584e8e2ed353828cd85a2a15188dbfbc535dbefab10a923cfd02314387819638af3d21824371acdf4a28fc0d5dd8ee3beffb86fdfab7fcab939296cc4e3b8be2f0ed3fa062d9c52f41985c1cd6dc8c82ded5ad81dec3257b81dbce2bb8395216e1e612c91f858150003d15dee5c2890f58ae096483799812f34911fb0d54b498ddc9f208a4890552caacba47662190512f4bb17705a5f5ee0ac82b24ea20c3fe8f7fdf5a2f5b0a85d311f61f83317e8973a76c2088042d0af68b271741acda9c29ede39c266a1c02b624a9e94aaf968904c9c1920a719de546b52229d9ddd3679b361a6467") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) r3 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) [ 298.715559] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 298.722946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 298.730716] cgroup: cgroup_addrm_files: failed to add effective_mems, err=-12 2018/06/01 10:46:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0xc0189436, r0) 2018/06/01 10:46:03 executing program 6: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f0000f9aff8)='./file0\x00', 0x8000000000141046, 0x0) mount(&(0x7f0000000100)='./file0/file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000dedf2f)="76b2") connect$unix(r1, &(0x7f0000000040)=@abs={0x1, 0x0, 0x4e23}, 0x6e) write$binfmt_script(r0, &(0x7f0000000400)=ANY=[@ANYBLOB="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"], 0x126) 2018/06/01 10:46:03 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r0, 0x4010640d, &(0x7f0000000000)={0x40, 0xe0}) ioctl$EVIOCGUNIQ(r0, 0x80404508, &(0x7f0000000040)=""/254) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r0, 0xc2c45513, &(0x7f0000000180)={{0x531f, 0x1, 0xfffffffffffffff9, 0x1000, "1ce432ce3082996d540b975bdf44715c5ddce177a64424746fedb1f9795390f679259e4f56e9727dd47d6d2b", 0x7f}, 0x5, [0x5, 0x1, 0x8, 0x85e, 0x2, 0xed42, 0x0, 0x0, 0x2d8, 0x100000000, 0x8, 0xb2, 0x11ffe000, 0x40, 0x7, 0x8fb2, 0x2, 0x80000000, 0x4a, 0xcb, 0xffffffff00000000, 0x200, 0x2d, 0x4, 0x5fc, 0x32, 0x19f5, 0xe8d7, 0x2, 0xffff, 0x1ff, 0xd482, 0xf8, 0x4, 0x8, 0xf4, 0x3ff, 0x1, 0x0, 0x1, 0x7fffffff, 0x0, 0x1a, 0x4, 0xfff, 0x3f2, 0xfffffffffffffff9, 0x7fff, 0x5, 0x8b8, 0x3f, 0xffffffff, 0x1, 0xfffffffffffffffe, 0x40, 0x4, 0x0, 0x3f, 0x7, 0x6, 0x6, 0x78d5, 0xffffffff, 0x80000001, 0x0, 0x7, 0x7, 0x21, 0xa27a, 0x1, 0x4, 0x7, 0x54b, 0x7ff, 0x2, 0x1, 0x5, 0x8, 0x3, 0xffffffffffffff00, 0x80000000, 0xe2c9, 0xfffffffffffffffe, 0x9, 0xda, 0x4, 0x40000, 0x2, 0xf9c6, 0x7, 0x81, 0xffff, 0x4, 0x9bac, 0x0, 0xfff, 0x8, 0x6, 0xbe, 0x0, 0x8, 0xe4e1, 0xfffffffffffffffb, 0x3ff, 0x100, 0x5, 0x27, 0x6, 0xfffffffffffffffc, 0x120, 0x5, 0x9, 0x0, 0x2, 0x9, 0x9, 0x3, 0x0, 0x100000001, 0x8, 0x5, 0x8001, 0x80000001, 0x401, 0x5, 0x1ff, 0x26, 0x7], {0x77359400}}) ioctl$EVIOCGSW(r0, 0x8040451b, &(0x7f0000000700)=""/59) syz_open_dev$vcsa(&(0x7f0000000640)='/dev/vcsa#\x00', 0x8000, 0x41) ioctl$EVIOCGSW(r0, 0x8040451b, &(0x7f0000000680)=""/85) 2018/06/01 10:46:03 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf600, 0x0) 2018/06/01 10:46:03 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:03 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = socket(0x13, 0x2, 0x0) setsockopt$inet_MCAST_LEAVE_GROUP(r1, 0x0, 0x2d, &(0x7f0000000080)={0x7, {{0x2, 0x4e22, @rand_addr}}}, 0x84) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae0a, &(0x7f0000000040)={0x13000000}) 2018/06/01 10:46:03 executing program 5 (fault-call:2 fault-nth:24): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1267, r0) 2018/06/01 10:46:03 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xd200, 0x0) 2018/06/01 10:46:03 executing program 0: msync(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x2) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) 2018/06/01 10:46:03 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:03 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000240)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x88) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000040)={0x1, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x88) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000100)={0x5, {{0xa, 0x4e22, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0x8}}}, 0x84) r1 = dup2(r0, r0) ioctl$KDGETMODE(r1, 0x4b3b, &(0x7f00000001c0)) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x519bcf6e, 0x18001) ioctl$TUNSETNOCSUM(r2, 0x400454c8, 0x80001) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000000300)={0xb, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}}}, 0x108) [ 299.415015] FAULT_INJECTION: forcing a failure. [ 299.415015] name failslab, interval 1, probability 0, space 0, times 0 [ 299.426560] CPU: 0 PID: 21166 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 299.426575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.426584] Call Trace: [ 299.426613] dump_stack+0x1b9/0x294 [ 299.426642] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.443403] should_fail.cold.4+0xa/0x1a [ 299.443425] ? __kmalloc_track_caller+0x14a/0x760 [ 299.443446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.443465] ? cgroup_mkdir+0x825/0x10d0 [ 299.443487] ? kernfs_iop_mkdir+0x159/0x1e0 [ 299.449690] ? do_mkdirat+0x266/0x2f0 [ 299.449707] ? __ia32_sys_mkdirat+0x74/0xb0 [ 299.449724] ? do_fast_syscall_32+0x345/0xf9b [ 299.449742] ? entry_SYSENTER_compat+0x70/0x7f [ 299.449762] ? graph_lock+0x170/0x170 [ 299.473029] ? find_held_lock+0x36/0x1c0 [ 299.502533] ? print_usage_bug+0xc0/0xc0 [ 299.506633] ? find_held_lock+0x36/0x1c0 [ 299.510722] ? __lock_is_held+0xb5/0x140 [ 299.514835] ? check_same_owner+0x320/0x320 [ 299.519186] ? rcu_note_context_switch+0x710/0x710 [ 299.524150] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.529290] __should_failslab+0x124/0x180 [ 299.533561] should_failslab+0x9/0x14 [ 299.537520] kmem_cache_alloc+0x2af/0x760 [ 299.541910] ? memcpy+0x45/0x50 [ 299.545233] ? kstrdup+0x59/0x70 [ 299.548630] __kernfs_new_node+0xe7/0x580 [ 299.552914] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 299.557699] ? pointer+0xa10/0xa10 [ 299.561273] ? kasan_check_write+0x14/0x20 [ 299.565539] ? snprintf+0xa5/0xd0 [ 299.569018] ? vsprintf+0x40/0x40 [ 299.572496] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 299.577029] kernfs_new_node+0x80/0xf0 [ 299.580963] __kernfs_create_file+0x4d/0x330 [ 299.585403] cgroup_addrm_files+0x437/0xaf0 [ 299.589765] ? cgroup_css.part.14+0x1f0/0x1f0 [ 299.594290] ? mark_held_locks+0xc9/0x160 [ 299.598468] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 299.603078] ? _raw_spin_unlock_irq+0x27/0x70 [ 299.607602] ? trace_hardirqs_on_caller+0x421/0x5c0 2018/06/01 10:46:03 executing program 2: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x0, 0x0) ioctl$EVIOCRMFF(r0, 0x40044581, &(0x7f0000000040)=0x7) getegid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getsockname$inet6(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, @mcast2}, &(0x7f00000000c0)=0x1c) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000180)={r0, 0x50, &(0x7f0000000100)={0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000001c0)=r1, 0x4) 2018/06/01 10:46:03 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbf, 0x0) 2018/06/01 10:46:03 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) [ 299.612648] ? mutex_unlock+0xd/0x10 [ 299.616386] ? cpuset_css_online+0x5a0/0x830 [ 299.620824] ? kasan_check_write+0x14/0x20 [ 299.625084] ? online_css+0x259/0x330 [ 299.628916] css_populate_dir+0x1a8/0x420 [ 299.633112] cgroup_apply_control_enable+0x43b/0xce0 [ 299.638266] ? cgroup_propagate_control+0x5a0/0x5a0 [ 299.643313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.648885] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 299.653412] ? cgroup_file_name+0x1f0/0x1f0 [ 299.657774] ? css_populate_dir+0x2a2/0x420 [ 299.662128] cgroup_mkdir+0x825/0x10d0 2018/06/01 10:46:04 executing program 6: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000000000)='H', 0x1, 0x0, &(0x7f0000000180)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f0000033ff0)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) shutdown(r0, 0x1) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x7d, &(0x7f0000000200)={0x0, @in={{0x2, 0x0, @multicast2=0xe0000002}}}, &(0x7f0000000300)=0x100) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000040)={r1, @in6={{0xa, 0x4e24, 0x2df, @remote={0xfe, 0x80, [], 0xbb}, 0x2}}, 0x6, 0x80, 0x237d0000000000, 0x0, 0x8}, &(0x7f0000000100)=0x98) [ 299.666049] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 299.670829] ? map_id_up+0x196/0x3c0 [ 299.674572] ? make_kprojid+0x30/0x30 [ 299.678410] ? set_nlink+0xaf/0x140 [ 299.682062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.687635] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 299.693194] ? kernfs_get_active+0xb2/0x120 [ 299.697543] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 299.702324] kernfs_iop_mkdir+0x159/0x1e0 [ 299.706497] ? getname_flags+0xd0/0x5a0 [ 299.710505] vfs_mkdir+0x42e/0x6b0 [ 299.714078] do_mkdirat+0x266/0x2f0 [ 299.717740] ? __ia32_sys_mknod+0xb0/0xb0 [ 299.721929] ? mm_fault_error+0x380/0x380 [ 299.726110] __ia32_sys_mkdirat+0x74/0xb0 [ 299.730383] do_fast_syscall_32+0x345/0xf9b [ 299.734738] ? do_int80_syscall_32+0x880/0x880 [ 299.739351] ? _raw_spin_unlock_irq+0x27/0x70 [ 299.743878] ? finish_task_switch+0x1ca/0x840 [ 299.748407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.753983] ? syscall_return_slowpath+0x30f/0x5c0 [ 299.758961] ? sysret32_from_system_call+0x5/0x46 2018/06/01 10:46:04 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) [ 299.763853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.768743] entry_SYSENTER_compat+0x70/0x7f [ 299.773263] RIP: 0023:0xf7fa6cb9 [ 299.776641] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 299.784384] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 299.791685] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 299.798978] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 299.806271] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 299.813564] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 299.821307] cgroup: cgroup_addrm_files: failed to add effective_mems, err=-12 2018/06/01 10:46:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c05, r0) 2018/06/01 10:46:04 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) ioctl$SG_SCSI_RESET(r0, 0x2284, 0x0) 2018/06/01 10:46:04 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf3, 0x0) 2018/06/01 10:46:04 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) [ 299.897060] QAT: Invalid ioctl [ 299.916108] QAT: Invalid ioctl 2018/06/01 10:46:04 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc400, 0x0) 2018/06/01 10:46:04 executing program 5 (fault-call:2 fault-nth:25): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:04 executing program 2: socketpair(0x4000000000001e, 0x802, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_INFO(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xfffffffffffffeab, r1, 0x1, 0x70bd26, 0x25dfdbfb, {0xf}, [@IPVS_CMD_ATTR_DEST={0x38, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x7}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@remote={0xfe, 0x80, [], 0xbb}}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x4}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x6f826b08}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffffffffff8}, @IPVS_CMD_ATTR_DEST={0x38, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x558}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x5}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x80}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10001}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80c5}, 0x0) connect$rds(r0, &(0x7f0000000040)={0x1e, 0x0, @multicast2=0xe0000002}, 0x10) ioctl$sock_bt_bnep_BNEPCONNADD(r0, 0x400442c8, &(0x7f0000000340)={r0, 0x9, 0xfffffffffffffff8, "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"}) 2018/06/01 10:46:04 executing program 0: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x0, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x1a71, 0x0) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0xc480, 0x0) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x0, 0x0) ioctl$KVM_IRQFD(r0, 0x4020ae76, &(0x7f00000000c0)={r1, 0x91, 0x3ff, r2}) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) ioctl$KVM_GET_IRQCHIP(r3, 0xc208ae62, &(0x7f0000000380)) 2018/06/01 10:46:04 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xff00, 0x0) [ 300.172449] FAULT_INJECTION: forcing a failure. [ 300.172449] name failslab, interval 1, probability 0, space 0, times 0 [ 300.184101] CPU: 1 PID: 21220 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 300.191509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.200890] Call Trace: [ 300.203623] dump_stack+0x1b9/0x294 [ 300.207289] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.212529] should_fail.cold.4+0xa/0x1a [ 300.216621] ? __kmalloc_track_caller+0x14a/0x760 [ 300.221499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.226647] ? cgroup_mkdir+0x825/0x10d0 [ 300.230741] ? kernfs_iop_mkdir+0x159/0x1e0 [ 300.235097] ? do_mkdirat+0x266/0x2f0 [ 300.238931] ? __ia32_sys_mkdirat+0x74/0xb0 [ 300.243378] ? do_fast_syscall_32+0x345/0xf9b [ 300.247903] ? entry_SYSENTER_compat+0x70/0x7f [ 300.252510] ? graph_lock+0x170/0x170 [ 300.252530] ? find_held_lock+0x36/0x1c0 [ 300.252554] ? print_usage_bug+0xc0/0xc0 [ 300.260424] ? find_held_lock+0x36/0x1c0 [ 300.260452] ? __lock_is_held+0xb5/0x140 [ 300.260495] ? check_same_owner+0x320/0x320 [ 300.268732] ? rcu_note_context_switch+0x710/0x710 [ 300.268751] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.268775] __should_failslab+0x124/0x180 [ 300.291501] should_failslab+0x9/0x14 [ 300.291522] kmem_cache_alloc+0x2af/0x760 [ 300.299469] ? memcpy+0x45/0x50 [ 300.302766] ? kstrdup+0x59/0x70 [ 300.306169] __kernfs_new_node+0xe7/0x580 [ 300.310349] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 300.315129] ? pointer+0xa10/0xa10 [ 300.318713] ? kasan_check_write+0x14/0x20 [ 300.322979] ? snprintf+0xa5/0xd0 [ 300.326450] ? vsprintf+0x40/0x40 [ 300.329953] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 300.334479] kernfs_new_node+0x80/0xf0 [ 300.338405] __kernfs_create_file+0x4d/0x330 [ 300.342847] cgroup_addrm_files+0x437/0xaf0 [ 300.347212] ? cgroup_css.part.14+0x1f0/0x1f0 [ 300.351752] ? mark_held_locks+0xc9/0x160 [ 300.356038] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 300.360650] ? _raw_spin_unlock_irq+0x27/0x70 [ 300.365175] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 300.370217] ? mutex_unlock+0xd/0x10 [ 300.373955] ? cpuset_css_online+0x5a0/0x830 [ 300.378395] ? kasan_check_write+0x14/0x20 [ 300.382660] ? online_css+0x259/0x330 [ 300.386686] css_populate_dir+0x1a8/0x420 [ 300.390872] cgroup_apply_control_enable+0x43b/0xce0 [ 300.396022] ? cgroup_propagate_control+0x5a0/0x5a0 [ 300.401070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.406639] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 300.411162] ? cgroup_file_name+0x1f0/0x1f0 [ 300.415530] ? css_populate_dir+0x2a2/0x420 [ 300.419883] cgroup_mkdir+0x825/0x10d0 [ 300.423812] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 300.428586] ? map_id_up+0x196/0x3c0 [ 300.432308] ? make_kprojid+0x30/0x30 [ 300.436114] ? set_nlink+0xaf/0x140 [ 300.439740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.445274] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.450807] ? kernfs_get_active+0xb2/0x120 [ 300.455224] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 300.459998] kernfs_iop_mkdir+0x159/0x1e0 [ 300.464165] ? getname_flags+0xd0/0x5a0 [ 300.468155] vfs_mkdir+0x42e/0x6b0 [ 300.471708] do_mkdirat+0x266/0x2f0 [ 300.475372] ? __ia32_sys_mknod+0xb0/0xb0 [ 300.480064] ? mm_fault_error+0x380/0x380 [ 300.484224] __ia32_sys_mkdirat+0x74/0xb0 [ 300.488380] do_fast_syscall_32+0x345/0xf9b [ 300.492706] ? do_int80_syscall_32+0x880/0x880 [ 300.497283] ? kasan_check_write+0x14/0x20 [ 300.501518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.507059] ? syscall_return_slowpath+0x30f/0x5c0 [ 300.512008] ? sysret32_from_system_call+0x5/0x46 [ 300.516886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.521737] entry_SYSENTER_compat+0x70/0x7f [ 300.526140] RIP: 0023:0xf7fa6cb9 [ 300.529496] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 300.537205] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 300.544474] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 300.551829] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 300.559102] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 300.566377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 300.573780] cgroup: cgroup_addrm_files: failed to add cpu_exclusive, err=-12 2018/06/01 10:46:05 executing program 6: r0 = gettid() exit(0x0) ioprio_get$pid(0x2, r0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/mixer\x00', 0x20000, 0x0) sendmmsg$inet_sctp(r1, &(0x7f0000000540)=[{&(0x7f0000000180)=@in6={0xa, 0x4e21, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x3f00000000000}, 0x1c, &(0x7f00000004c0)=[{&(0x7f00000001c0)="9c39cc1b7901acc8eee104198fbf20707ad0fb4d5520f774c1881ffc987192d8768b5f5e5fd47df9822ebdb9ed09cb281852a33b7c0c0f116e16cd3bdc15e5933f5aa32b57e5e6756d4f8c7e045d1781c238aa9b58d66f89ab43d4", 0x5b}, {&(0x7f0000000240)="ab435decff52ce89c5adb59502a113f82d0c946e23464abe81e812024eb5aaa7e12e8be79cdc69de61a4", 0x2a}, {&(0x7f0000000280)="a12596c6c41788b087c18b402b9fc4ba373a3cfca40130eb6be028270b9b34c0e79a0444880bc3d49920a949db919badce95e28b63c19eb72bd95f6a431036d190d94cd7bed4ff25ff94a07702179159a354ac80c206dfc3277b9c32dbdc250931ab50869c015b924c5f4590599b22ba6a1b7849cb4e88894d5247e39493dc6b94c57f7a5ee3e0c7d0e8ee1eb23f9be60289a3118741719f8d1e59a8ea060b2c", 0xa0}, {&(0x7f0000000340)="6af3bed3edef746e4e30614b6ca595396b2b0a18cc54514b268b7ce1f516649242235fddb89f42526240576d645bcbd95b21318004e9b9f681885c1cb83bc23db3aa6e18a7c9fc724bf1725e4b1205fe44568a4c945ec98fdc088feb3363cd74449d9c194cca0d0b7075ce9e00892dc0e1de23501c09fb293fff6a1a66ac9807fd983e5f3f311b55d65a58c06b155fc2c392aa488590042bfb122d03f866aea69ab84e225d78a8a0d1605b506cef6d56ff440f5af560e7ab6acd2cc5f0445f459ba550bd04f3029ac834f26bf80591b50f6ee38c9410a152c8f6", 0xda}, {&(0x7f0000000440)="6c9db367c4bc7536db3fd1813465a5391038f1829c43ac55b6a08a73e5339cf86b62451d2947437b11579dabd1bfb053f26b2ff1e239c3222e8911d4115dfb4ac3995596f4eaa146c30bc8148e", 0x4d}], 0x5, &(0x7f0000000500)=[@dstaddrv6={0x1c, 0x84, 0x8}], 0x1c, 0x1}], 0x1, 0x4000000) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f00000027c0)={{{@in=@remote, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@mcast1}}, &(0x7f00000028c0)=0xe8) r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x5b58b2e5a94ce505, 0x0) getpeername$packet(r4, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000100)=0x14) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f0000002900)={@multicast2=0xe0000002, @loopback=0x7f000001, r3}, 0xc) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x40000, 0x0) ioctl$KVM_GET_SREGS(r1, 0x8138ae83, &(0x7f0000000580)) 2018/06/01 10:46:05 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000040)={&(0x7f000006d000/0x3000)=nil, 0x5, 0x3, 0x0, &(0x7f0000ffb000/0x2000)=nil}) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) 2018/06/01 10:46:05 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xa400, 0x0) 2018/06/01 10:46:05 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x1262, r0) 2018/06/01 10:46:05 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x5) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x3, 0x31, 0xffffffffffffffff, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$IP_VS_SO_GET_DAEMON(r1, 0x0, 0x487, &(0x7f0000000000), &(0x7f0000000040)=0x30) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = dup(r0) setsockopt$bt_BT_FLUSHABLE(0xffffffffffffffff, 0x112, 0x8, &(0x7f0000004000)=0x1000, 0x4) ioctl$UFFDIO_COPY(r2, 0xc028aa03, &(0x7f0000003ff0)={&(0x7f0000013000/0x3000)=nil, 0x20014000}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) utimensat(r2, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)={{0x77359400}, {r3, r4/1000+10000}}, 0x0) 2018/06/01 10:46:05 executing program 5 (fault-call:2 fault-nth:26): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:05 executing program 0: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x0, 0x0) sendto$ipx(r0, &(0x7f0000000080)="d911750fd1c124a4f0d381bc5723898002d39399923ac486f74071f53f4e48e5cc842c0175b39b419d3c4458c5ffb39c38182618cdb1ebf66a8cfad42cbbdfc800000000000000217c2937ea9365ccc7a30fa2738af88691a7fafd934c54fd3dfadc375f0b279ce4a91bd58ec90c000000000000000000", 0x77, 0x4, &(0x7f0000000200)={0x4, 0x5, 0x100000000ffff, "dd8683004729"}, 0x10) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) setsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000000)=0x1, 0x4) 2018/06/01 10:46:05 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) [ 300.984294] FAULT_INJECTION: forcing a failure. [ 300.984294] name failslab, interval 1, probability 0, space 0, times 0 [ 300.996007] CPU: 1 PID: 21236 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 301.003570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.012950] Call Trace: [ 301.015581] dump_stack+0x1b9/0x294 [ 301.019359] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.024585] ? finish_task_switch+0x1ca/0x840 [ 301.029103] ? finish_task_switch+0x182/0x840 2018/06/01 10:46:05 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x200000, 0x0) 2018/06/01 10:46:05 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbfffe, 0x0) [ 301.033640] should_fail.cold.4+0xa/0x1a [ 301.037740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.042894] ? __schedule+0x809/0x1e30 [ 301.046833] ? __sched_text_start+0x8/0x8 [ 301.051039] ? find_held_lock+0x36/0x1c0 [ 301.055175] ? __lock_is_held+0xb5/0x140 [ 301.059294] ? check_same_owner+0x320/0x320 [ 301.063659] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.068740] __should_failslab+0x124/0x180 [ 301.073143] should_failslab+0x9/0x14 [ 301.076997] __kmalloc_track_caller+0x2c4/0x760 2018/06/01 10:46:05 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) [ 301.081698] ? string+0x21d/0x2c0 [ 301.085196] ? kstrdup_const+0x66/0x80 [ 301.089130] kstrdup+0x39/0x70 [ 301.092361] kstrdup_const+0x66/0x80 [ 301.096117] __kernfs_new_node+0xa8/0x580 [ 301.100306] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 301.105103] ? pointer+0xa10/0xa10 [ 301.108692] ? kasan_check_write+0x14/0x20 [ 301.112991] ? snprintf+0xa5/0xd0 [ 301.116495] ? vsprintf+0x40/0x40 [ 301.119987] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 301.124642] kernfs_new_node+0x80/0xf0 [ 301.128589] __kernfs_create_file+0x4d/0x330 [ 301.133050] cgroup_addrm_files+0x437/0xaf0 [ 301.137428] ? cgroup_css.part.14+0x1f0/0x1f0 [ 301.141966] ? mark_held_locks+0xc9/0x160 [ 301.146144] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 301.150760] ? _raw_spin_unlock_irq+0x27/0x70 [ 301.155285] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 301.160332] ? mutex_unlock+0xd/0x10 [ 301.164073] ? cpuset_css_online+0x5a0/0x830 [ 301.168519] ? kasan_check_write+0x14/0x20 [ 301.172773] ? online_css+0x259/0x330 [ 301.176624] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:05 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x3, 0x3, 0x5, 0x5}, &(0x7f0000000040)=0x14) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000080)={r1, 0x11, "5f56264972438a883e42235854d5db5174"}, &(0x7f00000000c0)=0x19) [ 301.180810] cgroup_apply_control_enable+0x43b/0xce0 [ 301.185951] ? cgroup_propagate_control+0x5a0/0x5a0 [ 301.191017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.196670] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 301.201330] ? cgroup_file_name+0x1f0/0x1f0 [ 301.205714] ? css_populate_dir+0x2a2/0x420 [ 301.210082] cgroup_mkdir+0x825/0x10d0 [ 301.214037] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 301.218904] ? map_id_up+0x196/0x3c0 [ 301.222737] ? make_kprojid+0x30/0x30 [ 301.226566] ? set_nlink+0xaf/0x140 [ 301.230222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.235792] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 301.241445] ? kernfs_get_active+0xb2/0x120 [ 301.245791] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 301.250571] kernfs_iop_mkdir+0x159/0x1e0 [ 301.254754] ? getname_flags+0xd0/0x5a0 [ 301.258756] vfs_mkdir+0x42e/0x6b0 [ 301.262328] do_mkdirat+0x266/0x2f0 [ 301.265984] ? __ia32_sys_mknod+0xb0/0xb0 [ 301.270165] ? mm_fault_error+0x380/0x380 [ 301.274343] __ia32_sys_mkdirat+0x74/0xb0 [ 301.278535] do_fast_syscall_32+0x345/0xf9b [ 301.282887] ? do_int80_syscall_32+0x880/0x880 [ 301.287663] ? _raw_spin_unlock_irq+0x27/0x70 [ 301.292804] ? finish_task_switch+0x1ca/0x840 [ 301.292833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.292854] ? syscall_return_slowpath+0x30f/0x5c0 [ 301.292883] ? sysret32_from_system_call+0x5/0x46 [ 301.292912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.292942] entry_SYSENTER_compat+0x70/0x7f [ 301.292962] RIP: 0023:0xf7fa6cb9 [ 301.303006] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:05 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbfff7, 0x0) 2018/06/01 10:46:05 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) ioctl$sock_proto_private(r0, 0x89e6, &(0x7f00000001c0)="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") r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) [ 301.303033] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 301.303043] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 301.303051] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 301.303061] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 301.303071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 301.303209] cgroup: cgroup_addrm_files: failed to add mem_exclusive, err=-12 2018/06/01 10:46:05 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x402c5828, r0) 2018/06/01 10:46:05 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:06 executing program 5 (fault-call:2 fault-nth:27): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:06 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc100, 0x0) 2018/06/01 10:46:06 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:06 executing program 2: prctl$setname(0xf, &(0x7f0000000100)='\x00') seccomp(0x1, 0x2, &(0x7f0000007ff0)={0x1, &(0x7f0000004fe8)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0xff, 0x40) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000040)=@req={0x8, 0x10001, 0x90, 0x4}, 0x10) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f00000000c0)={'ip6gre0\x00'}) acct(&(0x7f0000000080)='./file0\x00') ioctl$ASHMEM_GET_NAME(r0, 0x81007702, &(0x7f0000000180)=""/50) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000140)={0x800, 0x7, 0x2000}, 0x4) 2018/06/01 10:46:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x80041270, r0) 2018/06/01 10:46:06 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) gettid() r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:06 executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000040)=ANY=[@ANYBLOB="01000000000000000100000000000000010000000000000000000000ff"]) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000000)={0x1, 0x0, [{0x48b, 0x0, 0xfffffffffffffffd}]}) 2018/06/01 10:46:06 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xb, 0x8001, 0x1, 0x5, 0x29, 0xffffffffffffff9c, 0x10000}, 0x2c) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$kcm(0x29, 0x5, 0x0) syz_open_dev$sndmidi(&(0x7f0000004ac0)='/dev/snd/midiC#D#\x00', 0x0, 0x181101) ioctl$sock_kcm_SIOCKCMUNATTACH(r2, 0x4020940d, &(0x7f0000000000)={r2}) sendmmsg$alg(r1, &(0x7f0000006f80)=[{0x0, 0x0, &(0x7f0000002600)=[{&(0x7f00000001c0)="75079938620d12979c0bb8d9f9598f985be11886a4a7", 0x16}, {&(0x7f0000000200)="b760b927827c982e116f0d16ddcfc226ba51975dff3f23cfc0a0a7a0ade75588357458d8c8db47fda4f4411647d67db8003edbdfe6cc936c8b672b24b18f33b6c24f33a8f67f4c73f69837559114244d4a26dc3de066a80880e18c215d13b183d5db44835cad4928921f74ca8072e740a12b4609adeb8d", 0x77}, {&(0x7f0000000280)="098f2473278d86d32112c41c82aa8bd8e1c28663fd41be733d3004633e263add60a6c3708901c78e1ea5ac62f8054b35ae0993bc745e2ad5d44a0cd0c51198ac10e61420afb03bda74b33e1edbb733eaf180d01a44fe3046a223c34d0f7e9ca14a47a988737be5b944c7daac6e454ad27431d239ceb2a5285d0d01e91474abb9b0715c6a82f1a9e442dca1e55ffea376e2197ca7", 0x94}, {&(0x7f0000000340)="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{&(0x7f0000006a80)="68807f43445619a6827f3b9cf3143ef0421c7de890c535ea9f01807e26ede10485df9afa13c81ec5c7b43935fb673ac4f926e62c1bd760002b3514d402d86842265bd7abcd2910257e3af44b01663c8409358d8ee5c7dbfa76373905602b23542d60d78d1b6aa33db7d1a4d2f2c55dbd1c5aa12862e4614e1b84f1d7476347ca2459b541c4381af28b2a986baeb9a48fc3c77113c8c85a8dd5958a3b6755a664ea32e9107b5fd238e2202c9341352d592156fe9b0c9748f850137a1fb8a620e71c3b66cb3f77592a", 0xc8}, {&(0x7f0000006b80)="84f378a026d50815d636ec25940586223a559564cce9509f97430189a51fee3b695f18", 0x23}, {&(0x7f0000006bc0)="095db37713aed4648849", 0xa}, {&(0x7f0000006c00)="5b49742a8768bafb591af4b11095b78e47472eb93cfce70b53488d47a5cfc949535931de05ff7216d30f72f693f51bfc09f407e3af9856cfb7a3a334db2b3abdb140a8361adbd12df87cf18e11ea9317124eff8bbf83c9459712044c29fc0327a8c726a00b22f6b9af8f184edfec54638da54fb97fc81444ff8da2992818a217a102a0218b3f9caa59bc6b8c54dd5df712acf43d7d07f031cf1b96978f1071cb6ee77e10b411c01843b2114095f586f3c8878ee9b7ba9d468fbdb93f0232675305a58408d2be4e8b9166530d76d7", 0xce}, {&(0x7f0000006d00)="9fc90098bd6be83d0d1270a0f6bb079d2264e68d02713bdaebd3c6befb27fa2dbb8a8a54022921e93bb74f2e3828aeea1942dd752e943b14d95b8b95863ab9cdf96e13631356a79efefdace20319b8acec28c09682730f98d79da0999faf87fa41c762d29b92b91ca41728e7f2baaaaef80aa70262521280a602673638ee6c48355ae41e2c43b0a22f9b4e2b9521c12cd2e1dac7f440030c89ed2cabcfa838", 0x9f}], 0x9, &(0x7f0000006e40)=[@op={0x10, 0x117, 0x3, 0x1}, @assoc={0x10, 0x117, 0x4, 0x6}, @iv={0x100, 0x117, 0x2, 0xee, "e16dd3897b87533e5e630f57c8ac6860dd51d812093d651bb225c9c5301d6cb88af231f9ea153763d9de9bfef92cbb15ca04bcccd523031aea9f4ffd0a8e0bb7cd2e8b54f3aae21618922a62fa61f7f7d4d63946ca0242252d6077ee75c8a228fac99ee60310cabd17202902462d622c2053724bdb097550cae34ea2b42e549491b136941030ee3f341232659b8a88115854412c4e6f36968593d72070a384e59ab4d9869f8ffa804ebd72de7556d670269dab258c4f969e984a4585fc32a51fc2e9dc90a6934c223b29fd1d2dbc47d62e2309c64c14b16016c9262e7a67f07fa5bcc791aa846b86e63e09bc234c"}, @assoc={0x10, 0x117, 0x4, 0x6}], 0x130, 0x40001}], 0x7, 0x8000) close(r0) r3 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x80) r4 = syz_open_dev$adsp(&(0x7f0000000100)='/dev/adsp#\x00', 0xffffffff, 0x200000) ioctl$TIOCPKT(r3, 0x5420, &(0x7f0000000080)=0x6) setsockopt$inet_icmp_ICMP_FILTER(r4, 0x1, 0x1, &(0x7f0000000180)={0xe6dd}, 0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x40, 0x0) [ 302.391347] FAULT_INJECTION: forcing a failure. [ 302.391347] name failslab, interval 1, probability 0, space 0, times 0 [ 302.402737] CPU: 1 PID: 21298 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 302.410136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.419626] Call Trace: [ 302.422258] dump_stack+0x1b9/0x294 [ 302.425935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.431164] should_fail.cold.4+0xa/0x1a [ 302.435262] ? __kmalloc_track_caller+0x14a/0x760 [ 302.440125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.445334] ? cgroup_mkdir+0x825/0x10d0 [ 302.449409] ? kernfs_iop_mkdir+0x159/0x1e0 [ 302.453765] ? do_mkdirat+0x266/0x2f0 [ 302.457601] ? __ia32_sys_mkdirat+0x74/0xb0 [ 302.461950] ? do_fast_syscall_32+0x345/0xf9b [ 302.466460] ? entry_SYSENTER_compat+0x70/0x7f [ 302.471066] ? graph_lock+0x170/0x170 [ 302.474903] ? find_held_lock+0x36/0x1c0 [ 302.479079] ? print_usage_bug+0xc0/0xc0 [ 302.483164] ? find_held_lock+0x36/0x1c0 [ 302.487260] ? __lock_is_held+0xb5/0x140 [ 302.491365] ? check_same_owner+0x320/0x320 [ 302.495718] ? rcu_note_context_switch+0x710/0x710 [ 302.500665] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.505723] __should_failslab+0x124/0x180 [ 302.509984] should_failslab+0x9/0x14 [ 302.513802] kmem_cache_alloc+0x2af/0x760 [ 302.517973] ? memcpy+0x45/0x50 [ 302.521274] ? kstrdup+0x59/0x70 [ 302.524666] __kernfs_new_node+0xe7/0x580 [ 302.528858] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 302.533628] ? pointer+0xa10/0xa10 [ 302.537194] ? kasan_check_write+0x14/0x20 [ 302.541451] ? snprintf+0xa5/0xd0 [ 302.544931] ? vsprintf+0x40/0x40 [ 302.548406] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 302.552941] kernfs_new_node+0x80/0xf0 [ 302.556849] __kernfs_create_file+0x4d/0x330 [ 302.561277] cgroup_addrm_files+0x437/0xaf0 [ 302.565629] ? cgroup_css.part.14+0x1f0/0x1f0 [ 302.570150] ? mark_held_locks+0xc9/0x160 [ 302.574320] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 302.578918] ? _raw_spin_unlock_irq+0x27/0x70 [ 302.583440] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 302.588482] ? mutex_unlock+0xd/0x10 [ 302.592222] ? cpuset_css_online+0x5a0/0x830 [ 302.596650] ? kasan_check_write+0x14/0x20 [ 302.600915] ? online_css+0x259/0x330 [ 302.604853] css_populate_dir+0x1a8/0x420 [ 302.609024] cgroup_apply_control_enable+0x43b/0xce0 [ 302.614161] ? cgroup_propagate_control+0x5a0/0x5a0 [ 302.619196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.624745] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 302.629253] ? cgroup_file_name+0x1f0/0x1f0 [ 302.633601] ? css_populate_dir+0x2a2/0x420 [ 302.637952] cgroup_mkdir+0x825/0x10d0 [ 302.641874] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 302.646653] ? map_id_up+0x196/0x3c0 [ 302.650380] ? make_kprojid+0x30/0x30 [ 302.654200] ? set_nlink+0xaf/0x140 [ 302.657876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.663451] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 302.669032] ? kernfs_get_active+0xb2/0x120 [ 302.673372] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 302.678152] kernfs_iop_mkdir+0x159/0x1e0 [ 302.682315] ? getname_flags+0xd0/0x5a0 [ 302.686324] vfs_mkdir+0x42e/0x6b0 [ 302.689886] do_mkdirat+0x266/0x2f0 [ 302.693529] ? __ia32_sys_mknod+0xb0/0xb0 [ 302.697695] ? mm_fault_error+0x380/0x380 [ 302.701866] __ia32_sys_mkdirat+0x74/0xb0 [ 302.706041] do_fast_syscall_32+0x345/0xf9b [ 302.710562] ? do_int80_syscall_32+0x880/0x880 [ 302.715158] ? _raw_spin_unlock_irq+0x27/0x70 [ 302.719666] ? finish_task_switch+0x1ca/0x840 [ 302.724179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.729780] ? syscall_return_slowpath+0x30f/0x5c0 [ 302.734746] ? sysret32_from_system_call+0x5/0x46 [ 302.739614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.744485] entry_SYSENTER_compat+0x70/0x7f [ 302.748904] RIP: 0023:0xf7fa6cb9 [ 302.752283] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 302.760100] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 302.767386] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 302.774672] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 302.781968] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 302.789267] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 302.796906] cgroup: cgroup_addrm_files: failed to add mem_exclusive, err=-12 2018/06/01 10:46:07 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xa900, 0x0) 2018/06/01 10:46:07 executing program 4: r0 = socket$inet(0x15, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @broadcast=0xffffffff}, 0x10) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:07 executing program 0: r0 = socket$inet(0x2, 0x80000, 0x100000000) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000), &(0x7f0000000040)=0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) [ 302.897100] audit: type=1326 audit(1527849967.220:6): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 302.915914] audit: type=1326 audit(1527849967.221:7): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.073364] audit: type=1326 audit(1527849967.274:8): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=5 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.092121] audit: type=1326 audit(1527849967.274:9): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.110962] audit: type=1326 audit(1527849967.274:10): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.129900] audit: type=1326 audit(1527849967.275:11): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.148914] audit: type=1326 audit(1527849967.275:12): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.167801] audit: type=1326 audit(1527849967.275:13): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.186660] audit: type=1326 audit(1527849967.275:14): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=240 compat=1 ip=0xf7f7dcb9 code=0x50000 [ 303.205500] audit: type=1326 audit(1527849967.289:15): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21296 comm="" exe="/root/syz-executor2" sig=0 arch=40000003 syscall=366 compat=1 ip=0xf7f7dcb9 code=0x50000 2018/06/01 10:46:08 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:08 executing program 5 (fault-call:2 fault-nth:28): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:08 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf5, 0x0) 2018/06/01 10:46:08 executing program 4: socket$inet(0x15, 0x5, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:08 executing program 6: r0 = socket(0x40000000015, 0x5, 0x0) fstat(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) sync_file_range(r0, 0x2, 0x8, 0x0) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/mixer\x00', 0x800, 0x0) ioctl$TIOCSWINSZ(r2, 0x5414, &(0x7f0000000280)={0x510, 0x401, 0x4, 0x1}) r3 = syz_open_dev$vcsn(&(0x7f00000001c0)='/dev/vcs#\x00', 0x0, 0x400080) bind$unix(r2, &(0x7f00000002c0)=@abs={0x1, 0x0, 0x4e23}, 0x6e) ioctl$UFFDIO_UNREGISTER(r3, 0x8010aa01, &(0x7f0000000200)={&(0x7f0000ffa000/0x4000)=nil, 0x4000}) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000000c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x4e22, 0x800, 0x4e21, 0x7f, 0xa, 0x80, 0x20, 0x5d7f88203c2bb11, 0x0, r1}, {0xfffffffffffffffa, 0x3f, 0x8, 0x6, 0x1, 0x1, 0x625a3714, 0x4}, {0x6, 0x5, 0x3, 0x5}, 0x9, 0x0, 0x3, 0x1, 0x2}, {{@in=@multicast1=0xe0000001, 0x4d4, 0x32}, 0xa, @in=@loopback=0x7f000001, 0x3502, 0x4, 0x0, 0x5, 0x6, 0x2, 0xa8c2}}, 0xe8) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'bridge_slave_0\x00'}) 2018/06/01 10:46:08 executing program 0: socketpair$inet(0x2, 0x0, 0x7, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) 2018/06/01 10:46:08 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:08 executing program 2: r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140)=0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000180)={0x3, r1}) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) ioctl$int_out(r0, 0x40044149, &(0x7f0000000040)) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r0, 0x402c5342, &(0x7f00000000c0)={0x4, 0x3, 0x5, {r2, r3+10000000}, 0x31, 0x6}) 2018/06/01 10:46:08 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xe000, 0x0) [ 304.159962] bridge0: port 1(bridge_slave_0) entered disabled state 2018/06/01 10:46:08 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:08 executing program 6: r0 = socket(0x40000000015, 0x5, 0x0) fstat(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) sync_file_range(r0, 0x2, 0x8, 0x0) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/mixer\x00', 0x800, 0x0) ioctl$TIOCSWINSZ(r2, 0x5414, &(0x7f0000000280)={0x510, 0x401, 0x4, 0x1}) r3 = syz_open_dev$vcsn(&(0x7f00000001c0)='/dev/vcs#\x00', 0x0, 0x400080) bind$unix(r2, &(0x7f00000002c0)=@abs={0x1, 0x0, 0x4e23}, 0x6e) ioctl$UFFDIO_UNREGISTER(r3, 0x8010aa01, &(0x7f0000000200)={&(0x7f0000ffa000/0x4000)=nil, 0x4000}) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000000c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x4e22, 0x800, 0x4e21, 0x7f, 0xa, 0x80, 0x20, 0x5d7f88203c2bb11, 0x0, r1}, {0xfffffffffffffffa, 0x3f, 0x8, 0x6, 0x1, 0x1, 0x625a3714, 0x4}, {0x6, 0x5, 0x3, 0x5}, 0x9, 0x0, 0x3, 0x1, 0x2}, {{@in=@multicast1=0xe0000001, 0x4d4, 0x32}, 0xa, @in=@loopback=0x7f000001, 0x3502, 0x4, 0x0, 0x5, 0x6, 0x2, 0xa8c2}}, 0xe8) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000000)={'bridge_slave_0\x00'}) 2018/06/01 10:46:08 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xfe00, 0x0) 2018/06/01 10:46:08 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) [ 304.490348] FAULT_INJECTION: forcing a failure. [ 304.490348] name failslab, interval 1, probability 0, space 0, times 0 [ 304.501682] CPU: 0 PID: 21378 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 304.509102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.518482] Call Trace: [ 304.521110] dump_stack+0x1b9/0x294 [ 304.524754] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.530095] should_fail.cold.4+0xa/0x1a [ 304.534248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.539379] ? graph_lock+0x170/0x170 [ 304.543230] ? zap_class+0x720/0x720 [ 304.546962] ? kmem_cache_alloc+0x12e/0x760 [ 304.551289] ? find_held_lock+0x36/0x1c0 [ 304.555368] ? __lock_is_held+0xb5/0x140 [ 304.559463] ? check_same_owner+0x320/0x320 [ 304.563786] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.568821] ? rcu_note_context_switch+0x710/0x710 [ 304.573781] __should_failslab+0x124/0x180 [ 304.578045] should_failslab+0x9/0x14 [ 304.581864] __kmalloc_track_caller+0x2c4/0x760 [ 304.586530] ? string+0x21d/0x2c0 [ 304.589990] ? kstrdup_const+0x66/0x80 [ 304.593885] kstrdup+0x39/0x70 [ 304.597094] kstrdup_const+0x66/0x80 [ 304.600816] __kernfs_new_node+0xa8/0x580 [ 304.605073] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 304.609855] ? pointer+0xa10/0xa10 [ 304.613455] ? kasan_check_write+0x14/0x20 [ 304.617722] ? snprintf+0xa5/0xd0 [ 304.621194] ? vsprintf+0x40/0x40 [ 304.624676] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 304.629225] kernfs_new_node+0x80/0xf0 [ 304.633132] __kernfs_create_file+0x4d/0x330 [ 304.637661] cgroup_addrm_files+0x437/0xaf0 [ 304.642000] ? cgroup_css.part.14+0x1f0/0x1f0 [ 304.646526] ? mark_held_locks+0xc9/0x160 [ 304.650689] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 304.655271] ? _raw_spin_unlock_irq+0x27/0x70 [ 304.659761] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 304.664777] ? mutex_unlock+0xd/0x10 [ 304.668490] ? cpuset_css_online+0x5a0/0x830 [ 304.672915] ? kasan_check_write+0x14/0x20 [ 304.677159] ? online_css+0x259/0x330 [ 304.680987] css_populate_dir+0x1a8/0x420 [ 304.685156] cgroup_apply_control_enable+0x43b/0xce0 [ 304.690266] ? cgroup_propagate_control+0x5a0/0x5a0 [ 304.695277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.700807] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 304.705303] ? cgroup_file_name+0x1f0/0x1f0 [ 304.709635] ? css_populate_dir+0x2a2/0x420 [ 304.713970] cgroup_mkdir+0x825/0x10d0 [ 304.717877] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 304.722630] ? map_id_up+0x196/0x3c0 [ 304.726439] ? make_kprojid+0x30/0x30 [ 304.730368] ? set_nlink+0xaf/0x140 [ 304.734124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.739692] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 304.745256] ? kernfs_get_active+0xb2/0x120 [ 304.749682] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 304.754463] kernfs_iop_mkdir+0x159/0x1e0 [ 304.758627] ? getname_flags+0xd0/0x5a0 [ 304.762608] vfs_mkdir+0x42e/0x6b0 [ 304.766151] do_mkdirat+0x266/0x2f0 [ 304.769783] ? __ia32_sys_mknod+0xb0/0xb0 [ 304.773948] ? mm_fault_error+0x380/0x380 [ 304.778159] __ia32_sys_mkdirat+0x74/0xb0 [ 304.782337] do_fast_syscall_32+0x345/0xf9b [ 304.786678] ? do_int80_syscall_32+0x880/0x880 [ 304.791270] ? _raw_spin_unlock_irq+0x27/0x70 [ 304.795766] ? finish_task_switch+0x1ca/0x840 [ 304.800262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.805798] ? syscall_return_slowpath+0x30f/0x5c0 [ 304.810732] ? sysret32_from_system_call+0x5/0x46 [ 304.815588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.820643] entry_SYSENTER_compat+0x70/0x7f [ 304.825076] RIP: 0023:0xf7fa6cb9 [ 304.828459] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 304.836449] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 304.843735] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 304.851015] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 304.858300] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 304.865592] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 304.873432] cgroup: cgroup_addrm_files: failed to add mem_hardwall, err=-12 2018/06/01 10:46:09 executing program 6: unshare(0x8000000) recvmsg(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)=@generic, 0x80, &(0x7f0000000340)=[{&(0x7f0000000080)}, {&(0x7f0000000280)=""/180, 0xb4}], 0x2, &(0x7f0000000380)=""/72, 0x48, 0x5}, 0x40002000) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x0, 0x0) unshare(0x28020400) flock(r0, 0x2) 2018/06/01 10:46:09 executing program 2: r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140)=0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000180)={0x3, r1}) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) ioctl$int_out(r0, 0x40044149, &(0x7f0000000040)) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r0, 0x402c5342, &(0x7f00000000c0)={0x4, 0x3, 0x5, {r2, r3+10000000}, 0x31, 0x6}) 2018/06/01 10:46:09 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xef00, 0x0) 2018/06/01 10:46:09 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$sock_netrom_TIOCOUTQ(r2, 0x5411, &(0x7f0000000000)) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/06/01 10:46:09 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x800, 0x0) bind$ax25(r0, &(0x7f0000000040)={0x3, {"4fde15596df80c"}, 0x7ff}, 0x10) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000080)={0x0, 0x8000}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000100)={r1, 0x6}, 0x8) 2018/06/01 10:46:09 executing program 4 (fault-call:1 fault-nth:0): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:09 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:09 executing program 5 (fault-call:2 fault-nth:29): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:09 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 305.549228] FAULT_INJECTION: forcing a failure. [ 305.549228] name failslab, interval 1, probability 0, space 0, times 0 [ 305.560591] CPU: 0 PID: 21389 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 305.567980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.577368] Call Trace: [ 305.579991] dump_stack+0x1b9/0x294 [ 305.583654] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.588962] should_fail.cold.4+0xa/0x1a [ 305.593054] ? __kmalloc_track_caller+0x14a/0x760 2018/06/01 10:46:09 executing program 0: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x5, 0x4140) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) ioctl$TIOCNXCL(r0, 0x540d) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) write$evdev(r0, &(0x7f0000000100)=[{{r1, r2/1000+10000}, 0x1, 0x9, 0x80000001}, {{0x77359400}, 0xce9d, 0x3}, {{r3, r4/1000+30000}, 0x6, 0x0, 0xb7f}, {{r5, r6/1000+30000}, 0x96d, 0xec8, 0x3}, {{0x77359400}, 0x1, 0x100, 0x4e4}, {{}, 0x2, 0x1f, 0x4}, {{}, 0x7f, 0xd6, 0x200}, {{0x0, 0x7530}, 0x9, 0x0, 0x8001}, {{}, 0x4829302b, 0x7, 0x81}, {{0x0, 0x2710}, 0x100000001, 0x2800000000000000, 0x2}], 0xa0) 2018/06/01 10:46:09 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xb100, 0x0) [ 305.597940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.603258] ? cgroup_mkdir+0x825/0x10d0 [ 305.607519] ? kernfs_iop_mkdir+0x159/0x1e0 [ 305.611866] ? do_mkdirat+0x266/0x2f0 [ 305.615882] ? __ia32_sys_mkdirat+0x74/0xb0 [ 305.620240] ? do_fast_syscall_32+0x345/0xf9b [ 305.624761] ? entry_SYSENTER_compat+0x70/0x7f [ 305.629386] ? graph_lock+0x170/0x170 [ 305.633229] ? find_held_lock+0x36/0x1c0 [ 305.637323] ? print_usage_bug+0xc0/0xc0 [ 305.641419] ? find_held_lock+0x36/0x1c0 [ 305.645528] ? __lock_is_held+0xb5/0x140 [ 305.649682] ? check_same_owner+0x320/0x320 [ 305.654052] ? rcu_note_context_switch+0x710/0x710 [ 305.659020] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.664079] __should_failslab+0x124/0x180 [ 305.668499] should_failslab+0x9/0x14 [ 305.672334] kmem_cache_alloc+0x2af/0x760 [ 305.676601] ? memcpy+0x45/0x50 [ 305.680172] ? kstrdup+0x59/0x70 [ 305.683700] __kernfs_new_node+0xe7/0x580 [ 305.687885] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 305.692678] ? pointer+0xa10/0xa10 2018/06/01 10:46:10 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x541b) [ 305.696274] ? kasan_check_write+0x14/0x20 [ 305.700545] ? snprintf+0xa5/0xd0 [ 305.704024] ? vsprintf+0x40/0x40 [ 305.707507] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 305.712143] kernfs_new_node+0x80/0xf0 [ 305.716069] __kernfs_create_file+0x4d/0x330 [ 305.720522] cgroup_addrm_files+0x437/0xaf0 [ 305.724889] ? cgroup_css.part.14+0x1f0/0x1f0 [ 305.729444] ? mark_held_locks+0xc9/0x160 [ 305.733631] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 305.738263] ? _raw_spin_unlock_irq+0x27/0x70 [ 305.742796] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 305.747845] ? mutex_unlock+0xd/0x10 [ 305.751587] ? cpuset_css_online+0x5a0/0x830 [ 305.756025] ? kasan_check_write+0x14/0x20 [ 305.760491] ? online_css+0x259/0x330 [ 305.764499] css_populate_dir+0x1a8/0x420 [ 305.768692] cgroup_apply_control_enable+0x43b/0xce0 [ 305.773850] ? cgroup_propagate_control+0x5a0/0x5a0 [ 305.778901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.784475] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 305.788999] ? cgroup_file_name+0x1f0/0x1f0 [ 305.793464] ? css_populate_dir+0x2a2/0x420 [ 305.797816] cgroup_mkdir+0x825/0x10d0 [ 305.801754] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 305.806531] ? map_id_up+0x196/0x3c0 [ 305.810274] ? make_kprojid+0x30/0x30 [ 305.814105] ? set_nlink+0xaf/0x140 [ 305.817761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.823327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 305.828888] ? kernfs_get_active+0xb2/0x120 [ 305.833246] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 305.838049] kernfs_iop_mkdir+0x159/0x1e0 [ 305.842228] ? getname_flags+0xd0/0x5a0 [ 305.846241] vfs_mkdir+0x42e/0x6b0 2018/06/01 10:46:10 executing program 0: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer\x00', 0x80, 0x0) getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, &(0x7f0000000180)={'nat\x00', 0x1000, "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"}, &(0x7f0000000100)=0x1024) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x5, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000080)) getsockopt$SO_COOKIE(r1, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000040)=0x8) 2018/06/01 10:46:10 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc0, 0x0) [ 305.849816] do_mkdirat+0x266/0x2f0 [ 305.853480] ? __ia32_sys_mknod+0xb0/0xb0 [ 305.857664] ? mm_fault_error+0x380/0x380 [ 305.861855] __ia32_sys_mkdirat+0x74/0xb0 [ 305.866041] do_fast_syscall_32+0x345/0xf9b [ 305.870412] ? do_int80_syscall_32+0x880/0x880 [ 305.875028] ? _raw_spin_unlock_irq+0x27/0x70 [ 305.879648] ? finish_task_switch+0x1ca/0x840 [ 305.884191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.889780] ? syscall_return_slowpath+0x30f/0x5c0 [ 305.894748] ? sysret32_from_system_call+0x5/0x46 2018/06/01 10:46:10 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x5421) [ 305.899635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.904547] entry_SYSENTER_compat+0x70/0x7f [ 305.908980] RIP: 0023:0xf7fa6cb9 [ 305.912470] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 305.920269] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 305.927574] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 305.934979] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 305.942289] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 2018/06/01 10:46:10 executing program 2: r0 = open(&(0x7f0000000000)='./file0\x00', 0x41, 0x0) fcntl$setlease(r0, 0x400, 0x1) setsockopt$netrom_NETROM_T4(r0, 0x103, 0x6, &(0x7f0000000080)=0x3ff, 0x4) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)) [ 305.949594] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 305.957549] cgroup: cgroup_addrm_files: failed to add mem_hardwall, err=-12 2018/06/01 10:46:10 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305\x00'}, 0x58) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x20000, 0x0) ioctl$VHOST_GET_FEATURES(r1, 0x8008af00, &(0x7f0000000080)) r2 = accept4(r0, 0x0, &(0x7f0000000200), 0x0) dup3(r1, r1, 0x80000) sendto$ipx(r2, &(0x7f0000000440)="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", 0xce1, 0x0, &(0x7f0000000000)={0x4, 0x7, 0x4, "a141e275238a", 0x5}, 0xfffffffffffffdd6) 2018/06/01 10:46:10 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) pipe2(&(0x7f0000000180)={0xffffffffffffffff}, 0x0) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000200), &(0x7f00000002c0)=0x4) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r3 = syz_open_dev$mice(&(0x7f0000000100)='/dev/input/mice\x00', 0x0, 0xc0) setsockopt$bt_l2cap_L2CAP_CONNINFO(r3, 0x6, 0x2, &(0x7f0000000140)={0x7, 0x56c16b40, 0x7ff}, 0x6) r4 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r4) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r4, 0x84, 0x72, &(0x7f0000000000)={0x0, 0x9, 0x20}, &(0x7f0000000240)=0xc) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000080)={r5, 0x1}, 0x8) 2018/06/01 10:46:11 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xab, 0x0) 2018/06/01 10:46:11 executing program 0: openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x40, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) 2018/06/01 10:46:11 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x2) 2018/06/01 10:46:11 executing program 5 (fault-call:2 fault-nth:30): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:11 executing program 6: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x40, 0x0) ioctl$ASHMEM_GET_PROT_MASK(r0, 0x7706, &(0x7f0000000080)) r1 = socket$packet(0x11, 0x2000000000000003, 0x300) setsockopt$packet_buf(r1, 0x107, 0xf, &(0x7f00000000c0)="f8f550e6", 0x4) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) dup2(r1, r2) sendto$inet6(r2, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000000000)={0xa, 0x0, 0x3, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c) 2018/06/01 10:46:11 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = timerfd_create(0x0, 0x0) pipe(&(0x7f0000000600)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000640)={0x0, 0x9}, &(0x7f0000000680)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000006c0)={r3, 0x50b8, 0x20}, &(0x7f0000000700)=0xc) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000080)=0x0) r5 = geteuid() getgroups(0x7, &(0x7f00000000c0)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0]) setsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000100)={r4, r5, r6}, 0xc) timerfd_settime(r0, 0x3, &(0x7f0000005000)={{}, {0x0, 0x989680}}, &(0x7f0000000fe0)) timerfd_settime(r0, 0x0, &(0x7f0000000000)={{0x0, 0x1c9c380}}, &(0x7f0000000040)) 2018/06/01 10:46:11 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000140)='/dev/loop#\x00', 0x1b1e7357, 0x0) ioctl$LOOP_SET_DIRECT_IO(r0, 0x4c08, 0xfffffffffffffff8) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2, 0x0) ioctl$SG_GET_LOW_DMA(r1, 0x227a, &(0x7f0000000080)) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x4, 0x10000) ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) socketpair$inet_tcp(0x2, 0x1, 0x0, &(0x7f0000000100)) [ 306.969193] FAULT_INJECTION: forcing a failure. [ 306.969193] name failslab, interval 1, probability 0, space 0, times 0 [ 306.980845] CPU: 1 PID: 21455 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 306.988245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.997635] Call Trace: [ 307.000273] dump_stack+0x1b9/0x294 [ 307.003935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.009180] should_fail.cold.4+0xa/0x1a [ 307.013286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.018631] ? graph_lock+0x170/0x170 [ 307.022463] ? zap_class+0x720/0x720 [ 307.026209] ? kmem_cache_alloc+0x12e/0x760 [ 307.030575] ? find_held_lock+0x36/0x1c0 [ 307.034775] ? __lock_is_held+0xb5/0x140 [ 307.038904] ? check_same_owner+0x320/0x320 [ 307.043267] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.048323] ? rcu_note_context_switch+0x710/0x710 [ 307.053291] __should_failslab+0x124/0x180 [ 307.057562] should_failslab+0x9/0x14 [ 307.061396] __kmalloc_track_caller+0x2c4/0x760 [ 307.066092] ? string+0x21d/0x2c0 [ 307.069843] ? kstrdup_const+0x66/0x80 [ 307.073774] kstrdup+0x39/0x70 [ 307.077003] kstrdup_const+0x66/0x80 [ 307.080761] __kernfs_new_node+0xa8/0x580 [ 307.084940] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 307.089749] ? pointer+0xa10/0xa10 [ 307.093334] ? kasan_check_write+0x14/0x20 [ 307.097606] ? snprintf+0xa5/0xd0 [ 307.101084] ? vsprintf+0x40/0x40 [ 307.104570] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 307.109121] kernfs_new_node+0x80/0xf0 [ 307.113065] __kernfs_create_file+0x4d/0x330 [ 307.113102] cgroup_addrm_files+0x437/0xaf0 [ 307.121851] ? cgroup_css.part.14+0x1f0/0x1f0 [ 307.126462] ? mark_held_locks+0xc9/0x160 [ 307.130638] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 307.135246] ? _raw_spin_unlock_irq+0x27/0x70 [ 307.139885] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 307.144942] ? mutex_unlock+0xd/0x10 [ 307.148680] ? cpuset_css_online+0x5a0/0x830 [ 307.153133] ? kasan_check_write+0x14/0x20 [ 307.157395] ? online_css+0x259/0x330 [ 307.161241] css_populate_dir+0x1a8/0x420 [ 307.165424] cgroup_apply_control_enable+0x43b/0xce0 [ 307.170574] ? cgroup_propagate_control+0x5a0/0x5a0 [ 307.175742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.181400] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 307.185919] ? cgroup_file_name+0x1f0/0x1f0 [ 307.190293] ? css_populate_dir+0x2a2/0x420 [ 307.194650] cgroup_mkdir+0x825/0x10d0 [ 307.198579] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 307.203452] ? map_id_up+0x196/0x3c0 [ 307.207200] ? make_kprojid+0x30/0x30 [ 307.211028] ? set_nlink+0xaf/0x140 [ 307.214682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.220258] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 307.225902] ? kernfs_get_active+0xb2/0x120 [ 307.230259] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 307.235130] kernfs_iop_mkdir+0x159/0x1e0 [ 307.239306] ? getname_flags+0xd0/0x5a0 [ 307.243319] vfs_mkdir+0x42e/0x6b0 [ 307.246901] do_mkdirat+0x266/0x2f0 [ 307.250579] ? __ia32_sys_mknod+0xb0/0xb0 [ 307.254765] ? mm_fault_error+0x380/0x380 [ 307.259036] __ia32_sys_mkdirat+0x74/0xb0 [ 307.263214] do_fast_syscall_32+0x345/0xf9b 2018/06/01 10:46:11 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x5450) 2018/06/01 10:46:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) socket$inet6(0xa, 0xa, 0xb28b) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x4e21, 0x9, @mcast1={0xff, 0x1, [], 0x1}, 0x3fc2}, @in={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e22, @rand_addr=0xfffffffffffffffd}, @in6={0xa, 0x4e22, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x480000000000000}, @in6={0xa, 0x4e22, 0x9, @mcast1={0xff, 0x1, [], 0x1}, 0x6}, @in={0x2, 0x4e23, @multicast1=0xe0000001}, @in6={0xa, 0x4e23, 0x8000, @loopback={0x0, 0x1}, 0x1}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}], 0xb0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f00000001c0)=[@in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, @in6={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}}], 0x2c) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) 2018/06/01 10:46:11 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xba, 0x0) 2018/06/01 10:46:11 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x5452) 2018/06/01 10:46:11 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xfffffffffffffffe, 0x0) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000000)=@req3={0x7f, 0x81, 0x1, 0x3, 0x53, 0x3ff, 0x8}, 0x1c) [ 307.267613] ? do_int80_syscall_32+0x880/0x880 [ 307.272216] ? _raw_spin_unlock_irq+0x27/0x70 [ 307.276745] ? finish_task_switch+0x1ca/0x840 [ 307.281357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.287099] ? syscall_return_slowpath+0x30f/0x5c0 [ 307.292062] ? sysret32_from_system_call+0x5/0x46 [ 307.296954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.301838] entry_SYSENTER_compat+0x70/0x7f [ 307.306270] RIP: 0023:0xf7fa6cb9 [ 307.309666] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:11 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x1b, 0x100) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_DEL_SERVICE(r0, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x3020020}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xcc, r1, 0x300, 0x70bd2a, 0x25dfdbfb, {0x3}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80}, @IPVS_CMD_ATTR_DAEMON={0x58, 0x3, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x3}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0xffffffffffffffae}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2={0xff, 0x2, [], 0x1}}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'eql\x00'}]}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x1}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x1ff}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x5000000000000}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x6}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x6b8}]}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x2}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0xf}}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x3}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x3}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3}]}]}, 0xcc}, 0x1, 0x0, 0x0, 0x1}, 0x4) r2 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r2, 0x80045530, &(0x7f0000000100)={0xfdfdffff}) connect$ipx(r0, &(0x7f00000003c0)={0x4, 0x8001, 0x8000, "025e8a9ac143", 0x2}, 0x10) [ 307.317507] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 307.324801] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 307.332186] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 307.339569] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 307.346868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 307.354431] cgroup: cgroup_addrm_files: failed to add sched_load_balance, err=-12 2018/06/01 10:46:11 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x40049409) 2018/06/01 10:46:11 executing program 6: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/autofs\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0086426, &(0x7f0000000180)={0x4, &(0x7f0000000140)=[{0x0}, {}, {}, {}]}) ioctl$DRM_IOCTL_RM_CTX(r0, 0xc0086421, &(0x7f00000001c0)={r1, 0x3}) r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={0xffffffffffffff9c, 0x3, 0x1, 0x3, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}, 0x20) ioctl$DRM_IOCTL_GEM_FLINK(r2, 0xc008640a, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_GEM_CLOSE(r2, 0x40086409, &(0x7f0000000240)={r3}) ioctl$DRM_IOCTL_MODESET_CTL(r2, 0x40086408, &(0x7f0000000080)={0xfffffffffffffff7, 0x5}) madvise(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x400000000000d) prctl$getreaper(0x40028, &(0x7f0000000200)) 2018/06/01 10:46:11 executing program 1: r0 = gettid() setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(0xffffffffffffffff, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:11 executing program 0: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000040)=0xb4ae, &(0x7f0000000080)=0x4) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) 2018/06/01 10:46:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:11 executing program 5 (fault-call:2 fault-nth:31): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:11 executing program 2: openat$dsp(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dsp\x00', 0x8000, 0x0) r0 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x1, 0x0) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f00000000c0), &(0x7f0000000140)=0x4) ioctl$int_in(r0, 0x80000080045002, &(0x7f0000000080)) ustat(0x7, &(0x7f0000000180)) ioctl$BLKRESETZONE(r0, 0x40101283, &(0x7f0000000040)={0x7, 0xe0e}) ioctl$KVM_SET_IDENTITY_MAP_ADDR(r0, 0x4008ae48, &(0x7f0000000000)=0xd000) syz_open_dev$sndseq(&(0x7f0000000200)='/dev/snd/seq\x00', 0x0, 0x2) 2018/06/01 10:46:11 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xdd, 0x0) [ 307.596578] FAULT_INJECTION: forcing a failure. [ 307.596578] name failslab, interval 1, probability 0, space 0, times 0 [ 307.608138] CPU: 0 PID: 21495 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 307.615539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.615550] Call Trace: [ 307.615583] dump_stack+0x1b9/0x294 [ 307.615612] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.615651] should_fail.cold.4+0xa/0x1a [ 307.615676] ? __kmalloc_track_caller+0x14a/0x760 [ 307.646955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.652103] ? cgroup_mkdir+0x825/0x10d0 [ 307.656195] ? kernfs_iop_mkdir+0x159/0x1e0 [ 307.660574] ? do_mkdirat+0x266/0x2f0 [ 307.664400] ? __ia32_sys_mkdirat+0x74/0xb0 [ 307.668749] ? do_fast_syscall_32+0x345/0xf9b [ 307.673281] ? entry_SYSENTER_compat+0x70/0x7f [ 307.677893] ? graph_lock+0x170/0x170 [ 307.681726] ? find_held_lock+0x36/0x1c0 [ 307.685813] ? print_usage_bug+0xc0/0xc0 [ 307.689911] ? find_held_lock+0x36/0x1c0 [ 307.694025] ? __lock_is_held+0xb5/0x140 [ 307.698142] ? check_same_owner+0x320/0x320 [ 307.702589] ? rcu_note_context_switch+0x710/0x710 [ 307.707550] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.712690] __should_failslab+0x124/0x180 [ 307.716980] should_failslab+0x9/0x14 [ 307.720804] kmem_cache_alloc+0x2af/0x760 [ 307.724979] ? memcpy+0x45/0x50 [ 307.728290] ? kstrdup+0x59/0x70 [ 307.731688] __kernfs_new_node+0xe7/0x580 [ 307.735875] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 307.740661] ? pointer+0xa10/0xa10 [ 307.744244] ? kasan_check_write+0x14/0x20 [ 307.748511] ? snprintf+0xa5/0xd0 [ 307.752110] ? vsprintf+0x40/0x40 [ 307.755588] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 307.760129] kernfs_new_node+0x80/0xf0 [ 307.764048] __kernfs_create_file+0x4d/0x330 [ 307.768494] cgroup_addrm_files+0x437/0xaf0 [ 307.772903] ? cgroup_css.part.14+0x1f0/0x1f0 [ 307.777451] ? mark_held_locks+0xc9/0x160 [ 307.781622] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 307.786240] ? _raw_spin_unlock_irq+0x27/0x70 [ 307.790771] ? trace_hardirqs_on_caller+0x421/0x5c0 2018/06/01 10:46:12 executing program 1: r0 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r0, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) 2018/06/01 10:46:12 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xa800, 0x0) 2018/06/01 10:46:12 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000040)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(des3_ede)\x00'}, 0x58) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={0xffffffffffffff9c, 0x3, 0x0, 0x8, &(0x7f00000000c0)}, 0x20) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000140)={0x0, 0x53a, 0x2, 0x1, 0x20, 0x400}, &(0x7f0000000180)=0x14) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={r2, 0x604}, &(0x7f0000000200)=0x8) r3 = accept4(r0, 0x0, &(0x7f0000000000)=0x7, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000000c0), &(0x7f0000000240)=0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) recvfrom$ipx(r3, &(0x7f0000000440)=""/220, 0xfffffffffffffd72, 0x0, 0x0, 0x0) 2018/06/01 10:46:12 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0xfffffffffffffbff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x2, 0x0) ioctl$KVM_GET_XCRS(r1, 0x8188aea6, &(0x7f0000000280)=ANY=[@ANYBLOB="020000000500000001000000000000000700000000ff010000000000000200000000000000000000163406d8510dc92c9a82b96c822edf193fd20cf9a2e5b0ae967c6ff1edea88ee04055e01e0d34bf68a40361adcc3233db5c2941a2d45c01a838e95b7ec35eb754f7c4ae74a7e59b4f5e6"]) setsockopt$inet_mreq(r1, 0x0, 0x24, &(0x7f0000000180)={@rand_addr=0x968, @local={0xac, 0x14, 0x14, 0xaa}}, 0x8) flock(r0, 0x8) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r1, 0xc05c5340, &(0x7f0000000100)={0x4, 0x1}) ioctl$KDADDIO(r1, 0x4b34, 0x8001) [ 307.795822] ? mutex_unlock+0xd/0x10 [ 307.799566] ? cpuset_css_online+0x5a0/0x830 [ 307.804038] ? kasan_check_write+0x14/0x20 [ 307.808312] ? online_css+0x259/0x330 [ 307.812175] css_populate_dir+0x1a8/0x420 [ 307.816370] cgroup_apply_control_enable+0x43b/0xce0 [ 307.821524] ? cgroup_propagate_control+0x5a0/0x5a0 [ 307.826573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.832139] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 307.836667] ? cgroup_file_name+0x1f0/0x1f0 [ 307.841036] ? css_populate_dir+0x2a2/0x420 2018/06/01 10:46:12 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x402c582a) [ 307.845399] cgroup_mkdir+0x825/0x10d0 [ 307.849338] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 307.854135] ? map_id_up+0x196/0x3c0 [ 307.857884] ? make_kprojid+0x30/0x30 [ 307.861718] ? set_nlink+0xaf/0x140 [ 307.865376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.870964] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 307.876540] ? kernfs_get_active+0xb2/0x120 [ 307.880898] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 307.885692] kernfs_iop_mkdir+0x159/0x1e0 [ 307.885711] ? getname_flags+0xd0/0x5a0 [ 307.885734] vfs_mkdir+0x42e/0x6b0 2018/06/01 10:46:12 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x220000, 0x0) 2018/06/01 10:46:12 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) openat$md(0xffffffffffffff9c, &(0x7f0000000080)='/dev/md0\x00', 0x12100, 0x0) [ 307.897756] do_mkdirat+0x266/0x2f0 [ 307.901422] ? __ia32_sys_mknod+0xb0/0xb0 [ 307.905605] ? mm_fault_error+0x380/0x380 [ 307.909780] __ia32_sys_mkdirat+0x74/0xb0 [ 307.914053] do_fast_syscall_32+0x345/0xf9b [ 307.918414] ? do_int80_syscall_32+0x880/0x880 [ 307.923020] ? _raw_spin_unlock_irq+0x27/0x70 [ 307.927656] ? finish_task_switch+0x1ca/0x840 [ 307.932201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.937795] ? syscall_return_slowpath+0x30f/0x5c0 [ 307.942775] ? sysret32_from_system_call+0x5/0x46 2018/06/01 10:46:12 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x1, 0x0) [ 307.947662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.952548] entry_SYSENTER_compat+0x70/0x7f [ 307.956987] RIP: 0023:0xf7fa6cb9 [ 307.960490] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 307.968381] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 307.975777] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 307.983076] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 307.990378] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 307.997679] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 308.005273] cgroup: cgroup_addrm_files: failed to add sched_load_balance, err=-12 [ 308.032816] netlink: 'syz-executor6': attribute type 10 has an invalid length. 2018/06/01 10:46:12 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4020940d) [ 308.116923] netlink: 'syz-executor6': attribute type 10 has an invalid length. 2018/06/01 10:46:13 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xac, 0x0) 2018/06/01 10:46:13 executing program 3: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x10000, 0x0) ioctl$KDGKBLED(r0, 0x4b64, &(0x7f0000000100)) r1 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x200000, 0x0) ioctl$SG_GET_PACK_ID(r2, 0x227c, &(0x7f0000000040)) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r1, 0x4c00, r4) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r3) ioctl$LOOP_SET_FD(r3, 0x4c00, r4) 2018/06/01 10:46:13 executing program 1: r0 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r0, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) 2018/06/01 10:46:13 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) openat$md(0xffffffffffffff9c, &(0x7f0000000080)='/dev/md0\x00', 0x12100, 0x0) 2018/06/01 10:46:13 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x402c5828) 2018/06/01 10:46:13 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000040)={r0, 0x28, &(0x7f0000000000)={0x0, 0x0}}, 0x10) r2 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000080)={r1, 0x80, 0x18}, 0xc) fcntl$setflags(r0, 0x2, 0x1) fcntl$dupfd(r2, 0x0, r2) getsockopt$ARPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x63, &(0x7f00000000c0)={'HL\x00'}, &(0x7f0000000100)=0x1e) 2018/06/01 10:46:13 executing program 5 (fault-call:2 fault-nth:32): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:13 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1, &(0x7f00000000c0), 0x43, 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x200000, 0x0) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r0, 0x10e, 0x8, &(0x7f0000000080)=0x8, 0x4) get_mempolicy(&(0x7f0000000000), &(0x7f00000001c0), 0x0, &(0x7f0000fff000/0x1000)=nil, 0x3) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0) [ 308.760012] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 308.779255] FAULT_INJECTION: forcing a failure. [ 308.779255] name failslab, interval 1, probability 0, space 0, times 0 [ 308.790726] CPU: 0 PID: 21552 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 308.798119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.807489] Call Trace: [ 308.810108] dump_stack+0x1b9/0x294 [ 308.813765] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.819015] should_fail.cold.4+0xa/0x1a [ 308.823233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.828377] ? graph_lock+0x170/0x170 [ 308.832229] ? zap_class+0x720/0x720 [ 308.835974] ? kmem_cache_alloc+0x12e/0x760 [ 308.840341] ? find_held_lock+0x36/0x1c0 [ 308.844437] ? __lock_is_held+0xb5/0x140 [ 308.848553] ? check_same_owner+0x320/0x320 [ 308.852901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 308.857962] ? rcu_note_context_switch+0x710/0x710 [ 308.862939] __should_failslab+0x124/0x180 [ 308.867267] should_failslab+0x9/0x14 [ 308.871099] __kmalloc_track_caller+0x2c4/0x760 [ 308.875813] ? string+0x21d/0x2c0 [ 308.879302] ? kstrdup_const+0x66/0x80 [ 308.883845] kstrdup+0x39/0x70 [ 308.887084] kstrdup_const+0x66/0x80 [ 308.890833] __kernfs_new_node+0xa8/0x580 [ 308.895023] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 308.899804] ? pointer+0xa10/0xa10 [ 308.903383] ? kasan_check_write+0x14/0x20 [ 308.907738] ? snprintf+0xa5/0xd0 [ 308.911223] ? vsprintf+0x40/0x40 [ 308.914702] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 308.919268] kernfs_new_node+0x80/0xf0 [ 308.923195] __kernfs_create_file+0x4d/0x330 [ 308.927656] cgroup_addrm_files+0x437/0xaf0 [ 308.932116] ? cgroup_css.part.14+0x1f0/0x1f0 [ 308.936661] ? mark_held_locks+0xc9/0x160 [ 308.940841] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 308.945459] ? _raw_spin_unlock_irq+0x27/0x70 [ 308.949998] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 308.955072] ? mutex_unlock+0xd/0x10 [ 308.958820] ? cpuset_css_online+0x5a0/0x830 [ 308.963272] ? kasan_check_write+0x14/0x20 [ 308.967543] ? online_css+0x259/0x330 [ 308.971379] css_populate_dir+0x1a8/0x420 [ 308.975568] cgroup_apply_control_enable+0x43b/0xce0 [ 308.980722] ? cgroup_propagate_control+0x5a0/0x5a0 [ 308.985772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.992956] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 308.997486] ? cgroup_file_name+0x1f0/0x1f0 [ 309.001853] ? css_populate_dir+0x2a2/0x420 [ 309.006219] cgroup_mkdir+0x825/0x10d0 [ 309.010155] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 309.014942] ? map_id_up+0x196/0x3c0 [ 309.018699] ? make_kprojid+0x30/0x30 [ 309.022535] ? set_nlink+0xaf/0x140 [ 309.026190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.031764] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.037332] ? kernfs_get_active+0xb2/0x120 [ 309.041682] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 309.046473] kernfs_iop_mkdir+0x159/0x1e0 [ 309.050739] ? getname_flags+0xd0/0x5a0 [ 309.054743] vfs_mkdir+0x42e/0x6b0 [ 309.058313] do_mkdirat+0x266/0x2f0 [ 309.061978] ? __ia32_sys_mknod+0xb0/0xb0 [ 309.066161] ? mm_fault_error+0x380/0x380 [ 309.070341] __ia32_sys_mkdirat+0x74/0xb0 [ 309.074525] do_fast_syscall_32+0x345/0xf9b [ 309.078885] ? do_int80_syscall_32+0x880/0x880 [ 309.083497] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 309.088383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.093957] ? syscall_return_slowpath+0x30f/0x5c0 [ 309.098922] ? sysret32_from_system_call+0x5/0x46 [ 309.103808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.108693] entry_SYSENTER_compat+0x70/0x7f [ 309.113123] RIP: 0023:0xf7fa6cb9 [ 309.116502] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 309.124248] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 309.131544] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 309.138938] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 309.146320] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 309.153613] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/06/01 10:46:13 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf2, 0x0) 2018/06/01 10:46:13 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0xc020660b) [ 309.161185] cgroup: cgroup_addrm_files: failed to add sched_relax_domain_level, err=-12 2018/06/01 10:46:13 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) openat$md(0xffffffffffffff9c, &(0x7f0000000080)='/dev/md0\x00', 0x12100, 0x0) 2018/06/01 10:46:13 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xa500, 0x0) 2018/06/01 10:46:13 executing program 5 (fault-call:2 fault-nth:33): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:13 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) times(&(0x7f0000000000)) ioctl$LOOP_SET_FD(r2, 0x4c00, r1) 2018/06/01 10:46:13 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c81) [ 309.339150] netlink: 'syz-executor6': attribute type 10 has an invalid length. 2018/06/01 10:46:13 executing program 0: r0 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)="6956f3697ff868a06a089abce90544ab6d45ddca9aa2cc10b89b399965e52bde27180f98ae0faf93dba5dc68ccb5aee0cef57676", 0x34, 0xfffffffffffffffe) r1 = syz_open_dev$dmmidi(&(0x7f0000000280)='/dev/dmmidi#\x00', 0x1, 0x874bc0f88b9ddb79) ioctl$BLKTRACETEARDOWN(r1, 0x1276, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@dev, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in=@loopback}}, &(0x7f00000001c0)=0xe8) fstat(0xffffffffffffff9c, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) keyctl$chown(0x4, r0, r2, r3) 2018/06/01 10:46:13 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbf00, 0x0) 2018/06/01 10:46:13 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) openat$md(0xffffffffffffff9c, &(0x7f0000000080)='/dev/md0\x00', 0x12100, 0x0) [ 309.566275] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 309.638778] FAULT_INJECTION: forcing a failure. [ 309.638778] name failslab, interval 1, probability 0, space 0, times 0 [ 309.650582] CPU: 1 PID: 21606 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 309.657962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.667340] Call Trace: [ 309.670047] dump_stack+0x1b9/0x294 [ 309.673721] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.678935] should_fail.cold.4+0xa/0x1a [ 309.683007] ? __kmalloc_track_caller+0x14a/0x760 [ 309.687890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.693018] ? cgroup_mkdir+0x825/0x10d0 [ 309.697193] ? kernfs_iop_mkdir+0x159/0x1e0 [ 309.701526] ? do_mkdirat+0x266/0x2f0 [ 309.705334] ? __ia32_sys_mkdirat+0x74/0xb0 [ 309.709667] ? do_fast_syscall_32+0x345/0xf9b [ 309.714303] ? entry_SYSENTER_compat+0x70/0x7f [ 309.718909] ? graph_lock+0x170/0x170 [ 309.722714] ? find_held_lock+0x36/0x1c0 [ 309.726775] ? print_usage_bug+0xc0/0xc0 [ 309.730845] ? find_held_lock+0x36/0x1c0 [ 309.734934] ? __lock_is_held+0xb5/0x140 [ 309.739062] ? check_same_owner+0x320/0x320 [ 309.743404] ? rcu_note_context_switch+0x710/0x710 [ 309.748381] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.753416] __should_failslab+0x124/0x180 [ 309.757655] should_failslab+0x9/0x14 [ 309.761459] kmem_cache_alloc+0x2af/0x760 [ 309.765611] ? memcpy+0x45/0x50 [ 309.768898] ? kstrdup+0x59/0x70 [ 309.772278] __kernfs_new_node+0xe7/0x580 [ 309.776458] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 309.781246] ? pointer+0xa10/0xa10 [ 309.784798] ? kasan_check_write+0x14/0x20 [ 309.789050] ? snprintf+0xa5/0xd0 [ 309.792533] ? vsprintf+0x40/0x40 [ 309.796058] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 309.800560] kernfs_new_node+0x80/0xf0 [ 309.804452] __kernfs_create_file+0x4d/0x330 [ 309.808898] cgroup_addrm_files+0x437/0xaf0 [ 309.813238] ? cgroup_css.part.14+0x1f0/0x1f0 [ 309.817747] ? mark_held_locks+0xc9/0x160 [ 309.821911] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 309.826518] ? _raw_spin_unlock_irq+0x27/0x70 [ 309.831022] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 309.836074] ? mutex_unlock+0xd/0x10 [ 309.839801] ? cpuset_css_online+0x5a0/0x830 [ 309.844231] ? kasan_check_write+0x14/0x20 [ 309.848468] ? online_css+0x259/0x330 [ 309.852302] css_populate_dir+0x1a8/0x420 [ 309.856495] cgroup_apply_control_enable+0x43b/0xce0 [ 309.861700] ? cgroup_propagate_control+0x5a0/0x5a0 [ 309.866778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.872323] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 309.876816] ? cgroup_file_name+0x1f0/0x1f0 [ 309.881156] ? css_populate_dir+0x2a2/0x420 [ 309.885483] cgroup_mkdir+0x825/0x10d0 [ 309.889377] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 309.894128] ? map_id_up+0x196/0x3c0 [ 309.897870] ? make_kprojid+0x30/0x30 [ 309.901688] ? set_nlink+0xaf/0x140 [ 309.905316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.910854] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.916411] ? kernfs_get_active+0xb2/0x120 [ 309.920777] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 309.925538] kernfs_iop_mkdir+0x159/0x1e0 [ 309.929691] ? getname_flags+0xd0/0x5a0 [ 309.933687] vfs_mkdir+0x42e/0x6b0 [ 309.937365] do_mkdirat+0x266/0x2f0 [ 309.941017] ? __ia32_sys_mknod+0xb0/0xb0 [ 309.945201] ? mm_fault_error+0x380/0x380 [ 309.949380] __ia32_sys_mkdirat+0x74/0xb0 [ 309.953533] do_fast_syscall_32+0x345/0xf9b [ 309.957871] ? do_int80_syscall_32+0x880/0x880 [ 309.962459] ? _raw_spin_unlock_irq+0x27/0x70 [ 309.966970] ? finish_task_switch+0x1ca/0x840 [ 309.971534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.977181] ? syscall_return_slowpath+0x30f/0x5c0 [ 309.982123] ? sysret32_from_system_call+0x5/0x46 [ 309.986976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.991848] entry_SYSENTER_compat+0x70/0x7f [ 309.996263] RIP: 0023:0xf7fa6cb9 [ 309.999637] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 310.007347] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 310.014713] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 310.021986] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 310.029277] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 310.036543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 310.044199] cgroup: cgroup_addrm_files: failed to add sched_relax_domain_level, err=-12 2018/06/01 10:46:14 executing program 5 (fault-call:2 fault-nth:34): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:14 executing program 2: r0 = syz_open_dev$sndseq(&(0x7f0000000380)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000040)=""/140, 0x25) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f00000004c0)={{0x4000000080}, 'port0\x00', 0x3f, 0xffffffffffffffff}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000140)={0xffffffffffffffff}) setsockopt$inet_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000180)={0x7fff}, 0x4) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000280)={0x3d8cb47d95373def}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc04c5349, &(0x7f00000003c0)) r2 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x0, 0x0) ioctl$KVM_SET_XSAVE(r2, 0x5000aea5, &(0x7f0000000580)={"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"}) r3 = request_key(&(0x7f00000001c0)='user\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000240)='/dev/snd/seq\x00', 0xfffffffffffffffa) keyctl$describe(0x6, r3, &(0x7f0000000980)=""/183, 0xb7) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r0, 0x80045300, &(0x7f0000000300)) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) 2018/06/01 10:46:14 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0xc0189436) 2018/06/01 10:46:14 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xcc, 0x0) 2018/06/01 10:46:14 executing program 0: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x0) getsockopt$ax25_buf(r0, 0x101, 0x19, &(0x7f0000000180)=""/195, &(0x7f00000000c0)=0xc3) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000000100)=0x4) ioctl$KVM_GET_MSRS(r0, 0xc008ae88, &(0x7f0000000280)=ANY=[@ANYBLOB="080000000000000000000000000000420000000000000000000000000000000000000000000000000000000000000000000000000000000000040000003ae00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007ebfc3750000000000000000"]) 2018/06/01 10:46:14 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000180)='/dev/snd/midiC#D#\x00', 0xc0008, 0x804) setsockopt$packet_int(r1, 0x107, 0x0, &(0x7f0000000040)=0x5, 0x4) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$int_in(r2, 0x5421, &(0x7f0000000080)=0x80) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) 2018/06/01 10:46:14 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:14 executing program 1: r0 = socket$inet(0x2, 0x10000000001, 0x4000000000000000) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r0, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) [ 310.150234] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 310.179428] FAULT_INJECTION: forcing a failure. [ 310.179428] name failslab, interval 1, probability 0, space 0, times 0 [ 310.190787] CPU: 1 PID: 21615 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 2018/06/01 10:46:14 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c80) [ 310.198192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.207578] Call Trace: [ 310.210207] dump_stack+0x1b9/0x294 [ 310.213878] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.219131] should_fail.cold.4+0xa/0x1a [ 310.223235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.228391] ? graph_lock+0x170/0x170 [ 310.232232] ? zap_class+0x720/0x720 [ 310.235977] ? kmem_cache_alloc+0x12e/0x760 [ 310.240336] ? find_held_lock+0x36/0x1c0 [ 310.244438] ? __lock_is_held+0xb5/0x140 2018/06/01 10:46:14 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) recvfrom$inet(r0, &(0x7f0000000100)=""/212, 0xd4, 0x102, 0x0, 0x0) writev(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 310.248568] ? check_same_owner+0x320/0x320 [ 310.252929] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 310.257985] ? rcu_note_context_switch+0x710/0x710 [ 310.262960] __should_failslab+0x124/0x180 [ 310.267241] should_failslab+0x9/0x14 [ 310.271082] __kmalloc_track_caller+0x2c4/0x760 [ 310.275783] ? string+0x21d/0x2c0 [ 310.279279] ? kstrdup_const+0x66/0x80 [ 310.283203] kstrdup+0x39/0x70 [ 310.286440] kstrdup_const+0x66/0x80 [ 310.290209] __kernfs_new_node+0xa8/0x580 [ 310.294396] ? kernfs_dop_revalidate+0x3c0/0x3c0 2018/06/01 10:46:14 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x5460) [ 310.299210] ? pointer+0xa10/0xa10 [ 310.302855] ? kasan_check_write+0x14/0x20 [ 310.307129] ? snprintf+0xa5/0xd0 [ 310.310610] ? vsprintf+0x40/0x40 [ 310.314092] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 310.318629] kernfs_new_node+0x80/0xf0 [ 310.322649] __kernfs_create_file+0x4d/0x330 [ 310.327117] cgroup_addrm_files+0x437/0xaf0 [ 310.331497] ? cgroup_css.part.14+0x1f0/0x1f0 [ 310.336035] ? mark_held_locks+0xc9/0x160 [ 310.340210] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 310.344826] ? _raw_spin_unlock_irq+0x27/0x70 [ 310.349460] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 310.354511] ? mutex_unlock+0xd/0x10 [ 310.358255] ? cpuset_css_online+0x5a0/0x830 [ 310.362790] ? kasan_check_write+0x14/0x20 [ 310.367046] ? online_css+0x259/0x330 [ 310.370881] css_populate_dir+0x1a8/0x420 [ 310.375069] cgroup_apply_control_enable+0x43b/0xce0 [ 310.380218] ? cgroup_propagate_control+0x5a0/0x5a0 [ 310.385357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.390923] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 310.395445] ? cgroup_file_name+0x1f0/0x1f0 [ 310.399804] ? css_populate_dir+0x2a2/0x420 [ 310.404158] cgroup_mkdir+0x825/0x10d0 [ 310.408152] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 310.412932] ? map_id_up+0x196/0x3c0 [ 310.416677] ? make_kprojid+0x30/0x30 [ 310.420523] ? set_nlink+0xaf/0x140 [ 310.424176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.429749] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 310.435426] ? kernfs_get_active+0xb2/0x120 [ 310.439774] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 310.444559] kernfs_iop_mkdir+0x159/0x1e0 [ 310.448733] ? getname_flags+0xd0/0x5a0 [ 310.452907] vfs_mkdir+0x42e/0x6b0 [ 310.456476] do_mkdirat+0x266/0x2f0 [ 310.460134] ? __ia32_sys_mknod+0xb0/0xb0 [ 310.464311] ? mm_fault_error+0x380/0x380 [ 310.468487] __ia32_sys_mkdirat+0x74/0xb0 [ 310.468512] do_fast_syscall_32+0x345/0xf9b [ 310.468536] ? do_int80_syscall_32+0x880/0x880 [ 310.481590] ? _raw_spin_unlock_irq+0x27/0x70 [ 310.486201] ? finish_task_switch+0x1ca/0x840 [ 310.490736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.496391] ? syscall_return_slowpath+0x30f/0x5c0 [ 310.501357] ? sysret32_from_system_call+0x5/0x46 [ 310.506238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.511119] entry_SYSENTER_compat+0x70/0x7f [ 310.515551] RIP: 0023:0xf7fa6cb9 [ 310.518929] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 310.526691] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 310.534254] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 310.541551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 310.550011] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 310.557305] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 310.564865] cgroup: cgroup_addrm_files: failed to add memory_migrate, err=-12 2018/06/01 10:46:15 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x800, 0x0) ioctl$SNDRV_TIMER_IOCTL_STOP(r1, 0x54a1) 2018/06/01 10:46:15 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc9, 0x0) 2018/06/01 10:46:15 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x32400) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:15 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000001000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000000)={[0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}) ioctl$KVM_NMI(r2, 0xae9a) write$binfmt_aout(0xffffffffffffffff, &(0x7f0000001380)=ANY=[@ANYBLOB="0fa2"], 0x2) iopl(0xff) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f00000000c0)={0x1, 0x0, [{}]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/06/01 10:46:15 executing program 5 (fault-call:2 fault-nth:35): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:15 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:15 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x0, 0x4000000000000000) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:15 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup.net\x00', 0x200002, 0x0) fchdir(r0) r1 = open(&(0x7f0000000000)='.\x00', 0x0, 0x0) getdents64(r1, &(0x7f0000000100)=""/128, 0x80) lseek(r1, 0x4000, 0x1) r2 = gettid() syz_open_procfs$namespace(r2, &(0x7f0000000040)='ns/cgroup\x00') capset(&(0x7f0000000080)={0x19980330, r2}, &(0x7f00000000c0)={0x5, 0xff, 0x7, 0x1, 0x86c, 0x2ce}) getdents64(r1, &(0x7f0000000200)=""/54, 0x36) [ 311.390096] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 311.392210] FAULT_INJECTION: forcing a failure. [ 311.392210] name failslab, interval 1, probability 0, space 0, times 0 [ 311.408963] CPU: 1 PID: 21651 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 311.416359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.425918] Call Trace: [ 311.428542] dump_stack+0x1b9/0x294 [ 311.432198] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.437430] should_fail.cold.4+0xa/0x1a [ 311.441772] ? __kmalloc_track_caller+0x14a/0x760 [ 311.446645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.451771] ? cgroup_mkdir+0x825/0x10d0 [ 311.455858] ? kernfs_iop_mkdir+0x159/0x1e0 [ 311.460204] ? do_mkdirat+0x266/0x2f0 [ 311.464161] ? __ia32_sys_mkdirat+0x74/0xb0 [ 311.468503] ? do_fast_syscall_32+0x345/0xf9b [ 311.473092] ? entry_SYSENTER_compat+0x70/0x7f [ 311.477698] ? graph_lock+0x170/0x170 [ 311.481523] ? find_held_lock+0x36/0x1c0 [ 311.485946] ? print_usage_bug+0xc0/0xc0 [ 311.490052] ? find_held_lock+0x36/0x1c0 [ 311.494143] ? __lock_is_held+0xb5/0x140 [ 311.498248] ? check_same_owner+0x320/0x320 [ 311.502594] ? rcu_note_context_switch+0x710/0x710 [ 311.507534] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.512568] __should_failslab+0x124/0x180 [ 311.516907] should_failslab+0x9/0x14 [ 311.520732] kmem_cache_alloc+0x2af/0x760 [ 311.524895] ? memcpy+0x45/0x50 [ 311.528206] ? kstrdup+0x59/0x70 [ 311.531596] __kernfs_new_node+0xe7/0x580 [ 311.535777] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 311.540548] ? pointer+0xa10/0xa10 [ 311.544116] ? kasan_check_write+0x14/0x20 [ 311.548368] ? snprintf+0xa5/0xd0 [ 311.551833] ? vsprintf+0x40/0x40 [ 311.555297] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 311.559948] kernfs_new_node+0x80/0xf0 [ 311.563864] __kernfs_create_file+0x4d/0x330 [ 311.568308] cgroup_addrm_files+0x437/0xaf0 [ 311.572659] ? cgroup_css.part.14+0x1f0/0x1f0 [ 311.577182] ? mark_held_locks+0xc9/0x160 [ 311.581370] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 311.585973] ? _raw_spin_unlock_irq+0x27/0x70 [ 311.590482] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 311.595524] ? mutex_unlock+0xd/0x10 [ 311.599252] ? cpuset_css_online+0x5a0/0x830 [ 311.603679] ? kasan_check_write+0x14/0x20 [ 311.607940] ? online_css+0x259/0x330 [ 311.611764] css_populate_dir+0x1a8/0x420 [ 311.615941] cgroup_apply_control_enable+0x43b/0xce0 [ 311.621160] ? cgroup_propagate_control+0x5a0/0x5a0 [ 311.626195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.631748] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 311.636256] ? cgroup_file_name+0x1f0/0x1f0 [ 311.640616] ? css_populate_dir+0x2a2/0x420 [ 311.644974] cgroup_mkdir+0x825/0x10d0 [ 311.648892] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 311.654205] ? map_id_up+0x196/0x3c0 [ 311.657947] ? make_kprojid+0x30/0x30 [ 311.661775] ? set_nlink+0xaf/0x140 [ 311.665486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.671060] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 311.676803] ? kernfs_get_active+0xb2/0x120 [ 311.681141] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 311.685919] kernfs_iop_mkdir+0x159/0x1e0 [ 311.690092] ? getname_flags+0xd0/0x5a0 [ 311.694090] vfs_mkdir+0x42e/0x6b0 [ 311.697655] do_mkdirat+0x266/0x2f0 [ 311.701308] ? __ia32_sys_mknod+0xb0/0xb0 [ 311.705484] ? mm_fault_error+0x380/0x380 [ 311.709668] __ia32_sys_mkdirat+0x74/0xb0 [ 311.713837] do_fast_syscall_32+0x345/0xf9b [ 311.718192] ? do_int80_syscall_32+0x880/0x880 [ 311.722802] ? _raw_spin_unlock_irq+0x27/0x70 [ 311.727333] ? finish_task_switch+0x1ca/0x840 [ 311.731860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.737419] ? syscall_return_slowpath+0x30f/0x5c0 [ 311.742371] ? sysret32_from_system_call+0x5/0x46 [ 311.747243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.752116] entry_SYSENTER_compat+0x70/0x7f [ 311.757579] RIP: 0023:0xf7fa6cb9 [ 311.760955] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 311.768697] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 311.776005] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 311.783403] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:16 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x1, 0x0) r1 = getpgrp(0xffffffffffffffff) syz_open_procfs(r1, &(0x7f0000000000)='comm\x00') keyctl$session_to_parent(0x12) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:16 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xe800, 0x0) 2018/06/01 10:46:16 executing program 6: syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x400000) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 311.790686] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 311.797977] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 311.805675] cgroup: cgroup_addrm_files: failed to add memory_migrate, err=-12 2018/06/01 10:46:16 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xd8, 0x0) 2018/06/01 10:46:16 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') r3 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$describe(0x6, r3, &(0x7f0000000080)=""/8, 0x8) ioctl$LOOP_SET_FD(r2, 0x4c00, r1) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) [ 311.886648] netlink: 'syz-executor6': attribute type 10 has an invalid length. 2018/06/01 10:46:16 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:16 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:16 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) socket$vsock_dgram(0x28, 0x2, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x80200, 0x0) openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) 2018/06/01 10:46:16 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xe7, 0x0) [ 312.043581] netlink: 'syz-executor6': attribute type 10 has an invalid length. 2018/06/01 10:46:16 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:17 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$can_bcm(0x1d, 0x2, 0x2) splice(r0, &(0x7f0000000000), r1, &(0x7f0000000040), 0x1000, 0x2) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0x402000, 0x0) setsockopt$ALG_SET_AEAD_AUTHSIZE(r2, 0x117, 0x5, 0x0, 0x60c) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) 2018/06/01 10:46:17 executing program 5 (fault-call:2 fault-nth:36): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:17 executing program 2: r0 = getpgrp(0x0) r1 = syz_open_dev$usbmon(&(0x7f00000004c0)='/dev/usbmon#\x00', 0x5c, 0x4000) setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000500)='tls\x00', 0x4) sched_setaffinity(r0, 0x8, &(0x7f0000d81ff8)=0x101) mkdir(&(0x7f000082f000)='./control\x00', 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = creat(&(0x7f0000000000)='./control/file0\x00', 0x0) setsockopt$inet6_MCAST_MSFILTER(r3, 0x29, 0x30, &(0x7f0000000180)={0x8fd3, {{0xa, 0x4e21, 0x62, @dev={0xfe, 0x80, [], 0xd}, 0x1e7}}, 0x0, 0x5, [{{0xa, 0x4e24, 0x7, @mcast1={0xff, 0x1, [], 0x1}, 0xfffffffffffffff8}}, {{0xa, 0x4e24, 0x8e5, @local={0xfe, 0x80, [], 0xaa}, 0xcef}}, {{0xa, 0x4e21, 0xfffffffffffffff8, @dev={0xfe, 0x80, [], 0x1c}, 0x7}}, {{0xa, 0x4e23, 0x80, @loopback={0x0, 0x1}, 0x5}}, {{0xa, 0x4e20, 0x7, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x1e}}, 0x3}}]}, 0x30c) write$sndseq(r3, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) mount(&(0x7f0000000040)='./control\x00', &(0x7f0000000080)='./control\x00', &(0x7f0000000100)='xfs\x00', 0x21000, &(0x7f00000001c0)) unlink(&(0x7f00000000c0)='./control/file0\x00') rmdir(&(0x7f000015dff6)='./control\x00') unlink(&(0x7f0000000140)='./control/file0\x00') close(r3) 2018/06/01 10:46:17 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xe500, 0x0) 2018/06/01 10:46:17 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0), 0x0) 2018/06/01 10:46:17 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:17 executing program 0: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, &(0x7f0000000000)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000500)={0x0, 0x8000000000001, &(0x7f0000000400)=""/193, &(0x7f0000000280)=""/97, &(0x7f00000001c0)=""/127, 0x400000000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000700)=ANY=[]) ioctl$VHOST_SET_LOG_BASE(r0, 0x4008af04, &(0x7f0000000180)=&(0x7f0000000100)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f00000000c0)={0x1, 0x0, &(0x7f0000000540)=""/134, &(0x7f0000000700)=""/205, &(0x7f0000000600)=""/135}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000006c0)=0x1) link(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00') 2018/06/01 10:46:17 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000100)='/dev/loop#\x00', 0x1b1e735b, 0x80) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x60, r3, 0x208, 0x70bd2d, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x43}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x4}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1f}, @IPVS_CMD_ATTR_DAEMON={0x30, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_bond\x00'}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000240)={0x0, 0xaf6e}, &(0x7f0000000280)=0x8) setsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f00000002c0)={r4, 0x9, 0xfffffffffffffff9, 0x9}, 0x10) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:17 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0), 0x0) [ 312.944469] FAULT_INJECTION: forcing a failure. [ 312.944469] name failslab, interval 1, probability 0, space 0, times 0 [ 312.955810] CPU: 0 PID: 21726 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 312.963216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.972710] Call Trace: [ 312.975337] dump_stack+0x1b9/0x294 [ 312.979012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.984365] should_fail.cold.4+0xa/0x1a 2018/06/01 10:46:17 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbfff9, 0x0) [ 312.990034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.995201] ? graph_lock+0x170/0x170 [ 312.999653] ? zap_class+0x720/0x720 [ 313.003401] ? kmem_cache_alloc+0x12e/0x760 [ 313.007775] ? find_held_lock+0x36/0x1c0 [ 313.012034] ? __lock_is_held+0xb5/0x140 [ 313.016166] ? check_same_owner+0x320/0x320 [ 313.020987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.026131] ? rcu_note_context_switch+0x710/0x710 [ 313.031107] __should_failslab+0x124/0x180 [ 313.035384] should_failslab+0x9/0x14 [ 313.039309] __kmalloc_track_caller+0x2c4/0x760 [ 313.044196] ? string+0x21d/0x2c0 [ 313.047704] ? kstrdup_const+0x66/0x80 [ 313.051630] kstrdup+0x39/0x70 [ 313.054855] kstrdup_const+0x66/0x80 [ 313.058606] __kernfs_new_node+0xa8/0x580 [ 313.062792] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 313.067585] ? pointer+0xa10/0xa10 [ 313.071169] ? kasan_check_write+0x14/0x20 [ 313.075442] ? snprintf+0xa5/0xd0 [ 313.078923] ? vsprintf+0x40/0x40 [ 313.082421] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 313.086970] kernfs_new_node+0x80/0xf0 [ 313.090905] __kernfs_create_file+0x4d/0x330 [ 313.095365] cgroup_addrm_files+0x437/0xaf0 [ 313.099735] ? cgroup_css.part.14+0x1f0/0x1f0 [ 313.104314] ? mark_held_locks+0xc9/0x160 [ 313.108488] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 313.113121] ? _raw_spin_unlock_irq+0x27/0x70 [ 313.117646] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 313.122693] ? mutex_unlock+0xd/0x10 [ 313.126435] ? cpuset_css_online+0x5a0/0x830 [ 313.130984] ? kasan_check_write+0x14/0x20 [ 313.135336] ? online_css+0x259/0x330 [ 313.139297] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:17 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xbc, 0x0) [ 313.143594] cgroup_apply_control_enable+0x43b/0xce0 [ 313.148743] ? cgroup_propagate_control+0x5a0/0x5a0 [ 313.153793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.159369] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 313.163901] ? cgroup_file_name+0x1f0/0x1f0 [ 313.168281] ? css_populate_dir+0x2a2/0x420 [ 313.172645] cgroup_mkdir+0x825/0x10d0 [ 313.176799] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 313.181598] ? map_id_up+0x196/0x3c0 [ 313.185351] ? make_kprojid+0x30/0x30 [ 313.189190] ? set_nlink+0xaf/0x140 2018/06/01 10:46:17 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$sock_void(r0, 0x1, 0x3f, 0x0, 0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000400)='/dev/admmidi#\x00', 0xfffffffffffffc01, 0x200000) ioctl$TIOCLINUX4(r1, 0x541c, &(0x7f0000000600)=0x4) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r3 = syz_open_dev$mice(&(0x7f00000003c0)='/dev/input/mice\x00', 0x0, 0x8082) ioctl$TIOCCBRK(r3, 0x5428) r4 = socket(0x8, 0x806, 0x8) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000000)={0x0, @in6={{0xa, 0x4e20, 0x4, @remote={0xfe, 0x80, [], 0xbb}, 0x7}}, [0x10001, 0x200, 0x10000, 0x3, 0x87d4, 0x10000000, 0xd25d, 0x1ff, 0x8001, 0x40, 0x6, 0x5e91208b, 0x4, 0xffffffffffffff7f, 0xe67d]}, &(0x7f0000000100)=0x100) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r4, 0x84, 0x9, &(0x7f00000001c0)={r5, @in={{0x2, 0x4e21}}, 0x3, 0x3, 0xb, 0x9, 0x1}, &(0x7f0000000140)=0x98) r6 = openat$full(0xffffffffffffff9c, &(0x7f0000000280)='/dev/full\x00', 0xa40, 0x0) r7 = memfd_create(&(0x7f0000000300)='/dev/loop-control\x00', 0x3) ioctl$KVM_IOEVENTFD(r6, 0x4040ae79, &(0x7f0000000340)={0xf000, &(0x7f00000002c0), 0x4, r7, 0x2}) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) getsockopt$IPT_SO_GET_ENTRIES(r4, 0x0, 0x41, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], &(0x7f0000000380)=0xcc) 2018/06/01 10:46:17 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0), 0x0) [ 313.192856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.198433] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 313.203998] ? kernfs_get_active+0xb2/0x120 [ 313.208436] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 313.213243] kernfs_iop_mkdir+0x159/0x1e0 [ 313.217426] ? getname_flags+0xd0/0x5a0 [ 313.221434] vfs_mkdir+0x42e/0x6b0 [ 313.225007] do_mkdirat+0x266/0x2f0 [ 313.228671] ? __ia32_sys_mknod+0xb0/0xb0 [ 313.232855] ? mm_fault_error+0x380/0x380 [ 313.237037] __ia32_sys_mkdirat+0x74/0xb0 [ 313.241229] do_fast_syscall_32+0x345/0xf9b [ 313.245577] ? do_int80_syscall_32+0x880/0x880 [ 313.250183] ? _raw_spin_unlock_irq+0x27/0x70 [ 313.254711] ? finish_task_switch+0x1ca/0x840 [ 313.259269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.264838] ? syscall_return_slowpath+0x30f/0x5c0 [ 313.269986] ? sysret32_from_system_call+0x5/0x46 [ 313.274884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.279769] entry_SYSENTER_compat+0x70/0x7f [ 313.284402] RIP: 0023:0xf7fa6cb9 [ 313.287809] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:17 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc4, 0x0) [ 313.295551] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 313.302874] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 313.310176] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 313.317479] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 313.324772] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 313.332307] cgroup: cgroup_addrm_files: failed to add memory_pressure, err=-12 2018/06/01 10:46:17 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x0, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:17 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000002c0)='/dev/loop#\x00', 0xfffffffffffffffc, 0x40) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) pread64(r1, &(0x7f0000000240)=""/61, 0x3d, 0x0) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0086426, &(0x7f0000000040)={0x2, &(0x7f0000000000)=[{}, {0x0}]}) syz_open_dev$urandom(&(0x7f0000000280)='/dev/urandom\x00', 0x0, 0x800) ioctl$DRM_IOCTL_DMA(r2, 0xc0286429, &(0x7f0000000200)={r3, 0x1, &(0x7f0000000080)=[0x6e1], &(0x7f0000000100)=[0x2bad, 0x9], 0x40, 0x5, 0x9, &(0x7f0000000140)=[0x100000001, 0x200, 0x73, 0x3, 0x100000001], &(0x7f0000000180)=[0xfffffffffffffff9]}) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:17 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)}], 0x1) 2018/06/01 10:46:18 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xc200, 0x0) 2018/06/01 10:46:18 executing program 5 (fault-call:2 fault-nth:37): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:18 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)}], 0x1) 2018/06/01 10:46:18 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb), 0x0) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:18 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000002c0)='/dev/loop#\x00', 0xfffffffffffffffc, 0x40) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) pread64(r1, &(0x7f0000000240)=""/61, 0x3d, 0x0) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0086426, &(0x7f0000000040)={0x2, &(0x7f0000000000)=[{}, {0x0}]}) syz_open_dev$urandom(&(0x7f0000000280)='/dev/urandom\x00', 0x0, 0x800) ioctl$DRM_IOCTL_DMA(r2, 0xc0286429, &(0x7f0000000200)={r3, 0x1, &(0x7f0000000080)=[0x6e1], &(0x7f0000000100)=[0x2bad, 0x9], 0x40, 0x5, 0x9, &(0x7f0000000140)=[0x100000001, 0x200, 0x73, 0x3, 0x100000001], &(0x7f0000000180)=[0xfffffffffffffff9]}) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:18 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000000)={0x0, 0x80, 0x8}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r2, 0x84, 0x73, &(0x7f0000000080)={r3, 0xff, 0x30, 0x98, 0x9}, &(0x7f0000000100)=0x18) getsockopt$IP_VS_SO_GET_TIMEOUT(r2, 0x0, 0x486, &(0x7f0000000140), &(0x7f0000000180)=0xc) eventfd(0x4) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:18 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$IOC_PR_PREEMPT(r1, 0x401870cb, &(0x7f0000000100)={0x6, 0x7ff, 0x100000001, 0x9}) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0xd8c7, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r1, 0xc0045540, &(0x7f00000000c0)=0x6) 2018/06/01 10:46:18 executing program 0: syz_emit_ethernet(0x66, &(0x7f0000000140)={@empty, @random="1b207f5c5eeb", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x2c, 0x0, @local={0xac, 0x14, 0x14, 0xaa}, @local={0xac, 0x14, 0x14, 0xaa}}, @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558}}}}}}, &(0x7f0000000000)) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r0, &(0x7f0000001240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f00000011c0)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfd, {0x10}, [@IPVS_CMD_ATTR_DEST={0x54, 0x2, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x4}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e23}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x9}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x6}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x7ff}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x40}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x40800}, 0x4004000) prctl$getname(0x10, &(0x7f00000001c0)=""/4096) [ 314.214344] FAULT_INJECTION: forcing a failure. [ 314.214344] name failslab, interval 1, probability 0, space 0, times 0 [ 314.225787] CPU: 0 PID: 21799 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 314.233170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.243096] Call Trace: [ 314.245715] dump_stack+0x1b9/0x294 [ 314.249383] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.254659] should_fail.cold.4+0xa/0x1a [ 314.258768] ? __kmalloc_track_caller+0x14a/0x760 2018/06/01 10:46:18 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="1ddd000cac573c39b7"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x5, &(0x7f0000001fd8)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x25}, [@ldst={0x7}], {0x95}}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0x437, &(0x7f000000cf3d)=""/195}, 0x48) r1 = socket(0x10, 0x3, 0x0) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x80000000, 0x2080) ioctl$TIOCNOTTY(r2, 0x5422) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) [ 314.263687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.268823] ? cgroup_mkdir+0x825/0x10d0 [ 314.272913] ? kernfs_iop_mkdir+0x159/0x1e0 [ 314.277282] ? do_mkdirat+0x266/0x2f0 [ 314.281126] ? __ia32_sys_mkdirat+0x74/0xb0 [ 314.285472] ? do_fast_syscall_32+0x345/0xf9b [ 314.290082] ? entry_SYSENTER_compat+0x70/0x7f [ 314.294697] ? graph_lock+0x170/0x170 [ 314.298521] ? find_held_lock+0x36/0x1c0 [ 314.302615] ? print_usage_bug+0xc0/0xc0 [ 314.306706] ? find_held_lock+0x36/0x1c0 [ 314.310802] ? __lock_is_held+0xb5/0x140 [ 314.314903] ? check_same_owner+0x320/0x320 [ 314.319260] ? rcu_note_context_switch+0x710/0x710 [ 314.324242] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.329294] __should_failslab+0x124/0x180 [ 314.333549] should_failslab+0x9/0x14 [ 314.337366] kmem_cache_alloc+0x2af/0x760 [ 314.341526] ? memcpy+0x45/0x50 [ 314.344823] ? kstrdup+0x59/0x70 [ 314.348266] __kernfs_new_node+0xe7/0x580 [ 314.352633] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 314.357409] ? pointer+0xa10/0xa10 [ 314.360977] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 314.366022] ? kasan_check_write+0x14/0x20 [ 314.370291] ? snprintf+0xa5/0xd0 [ 314.373764] ? vsprintf+0x40/0x40 [ 314.377237] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 314.381755] kernfs_new_node+0x80/0xf0 [ 314.385662] __kernfs_create_file+0x4d/0x330 [ 314.390092] cgroup_addrm_files+0x437/0xaf0 [ 314.394454] ? cgroup_css.part.14+0x1f0/0x1f0 [ 314.398980] ? mark_held_locks+0xc9/0x160 [ 314.403151] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 314.407752] ? _raw_spin_unlock_irq+0x27/0x70 [ 314.412267] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 314.417305] ? mutex_unlock+0xd/0x10 [ 314.421036] ? cpuset_css_online+0x5a0/0x830 [ 314.425555] ? kasan_check_write+0x14/0x20 [ 314.429811] ? online_css+0x259/0x330 [ 314.433634] css_populate_dir+0x1a8/0x420 [ 314.437808] cgroup_apply_control_enable+0x43b/0xce0 [ 314.442948] ? cgroup_propagate_control+0x5a0/0x5a0 [ 314.448077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.453742] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 314.458257] ? cgroup_file_name+0x1f0/0x1f0 [ 314.462697] ? css_populate_dir+0x2a2/0x420 [ 314.467041] cgroup_mkdir+0x825/0x10d0 [ 314.470968] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 314.476444] ? map_id_up+0x196/0x3c0 [ 314.480175] ? make_kprojid+0x30/0x30 [ 314.483995] ? set_nlink+0xaf/0x140 [ 314.487642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.493195] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.498773] ? kernfs_get_active+0xb2/0x120 [ 314.503235] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 314.508014] kernfs_iop_mkdir+0x159/0x1e0 [ 314.512183] ? getname_flags+0xd0/0x5a0 [ 314.516197] vfs_mkdir+0x42e/0x6b0 [ 314.519790] do_mkdirat+0x266/0x2f0 [ 314.523438] ? __ia32_sys_mknod+0xb0/0xb0 [ 314.527602] ? mm_fault_error+0x380/0x380 [ 314.531771] __ia32_sys_mkdirat+0x74/0xb0 [ 314.535943] do_fast_syscall_32+0x345/0xf9b [ 314.540287] ? do_int80_syscall_32+0x880/0x880 [ 314.544905] ? _raw_spin_unlock_irq+0x27/0x70 [ 314.549520] ? finish_task_switch+0x1ca/0x840 [ 314.554125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.559762] ? syscall_return_slowpath+0x30f/0x5c0 [ 314.564804] ? sysret32_from_system_call+0x5/0x46 [ 314.569682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.574642] entry_SYSENTER_compat+0x70/0x7f [ 314.579059] RIP: 0023:0xf7fa6cb9 [ 314.582429] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 314.590206] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 314.597602] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 314.604905] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:18 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xea00, 0x0) 2018/06/01 10:46:18 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x2, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x0, 0x0) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f00000001c0)={{{@in6=@mcast2, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@dev}}, &(0x7f0000000140)=0xe8) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f00000002c0)={r2, 0x1, 0x6}, 0x10) recvfrom$ax25(r1, &(0x7f0000000040)=""/25, 0x19, 0x100, &(0x7f0000000080)={0x3, {"9dd65b89a5f174"}, 0x4}, 0x10) [ 314.612195] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 314.619514] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 314.627185] cgroup: cgroup_addrm_files: failed to add memory_pressure, err=-12 2018/06/01 10:46:19 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)}], 0x1) 2018/06/01 10:46:19 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="890704", 0x3) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:19 executing program 2: r0 = socket$inet6(0xa, 0x2000000802, 0x0) capset(&(0x7f00000000c0)={0x19980330}, &(0x7f0000000100)) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000280)={@local={0xfe, 0x80, [], 0xaa}}) r1 = gettid() ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000180)={'bond_slave_1\x00', &(0x7f0000000140)=@ethtool_cmd={0x40, 0xffffffff, 0x101, 0x6, 0x9, 0x0, 0x8, 0x101, 0x80000001, 0x3, 0x2c, 0xfffffffffffff4c4, 0x4, 0x6, 0x9, 0x4, [0xff000000, 0x5]}}) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse\x00', 0x2200, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r2, 0xc0105303, &(0x7f0000000080)={0x6, 0x1f, 0x1}) setsockopt$sock_void(r0, 0x1, 0x1b, 0x0, 0x0) ptrace$getsig(0x4202, r1, 0x4ec1e47c, &(0x7f0000000000)) 2018/06/01 10:46:19 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xce, 0x0) 2018/06/01 10:46:19 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000100)=@assoc_value, &(0x7f0000000140)=0x8) r2 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) fdatasync(r2) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000180)={0x820, 0x9, 0x2, 0x2, 0x8f, 0x5a5, 0xbd29, 0x1f, 0x6, 0x1, 0x4f}, 0xb) r4 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r2, 0x4c00, r4) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r3) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x2, @remote={0xfe, 0x80, [], 0xbb}, 0x9}, @in6={0xa, 0x4e23, 0x1000, @dev={0xfe, 0x80, [], 0x19}, 0x1}, @in={0x2, 0x4e23}, @in6={0xa, 0x4e24, 0x6, @empty, 0x3ff}, @in={0x2, 0x4e24, @multicast2=0xe0000002}], 0x74) ioctl$LOOP_SET_FD(r3, 0x4c00, r2) 2018/06/01 10:46:19 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e0000004500000020", 0x1d}], 0x1) [ 315.033399] generic_make_request: Trying to write to read-only block-device loop3 (partno 0) 2018/06/01 10:46:19 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="89070400", 0x4) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:19 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e0000004500000020", 0x1d}], 0x1) 2018/06/01 10:46:19 executing program 0: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xea00, 0x0) 2018/06/01 10:46:19 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x2, 0x0) ioctl$sock_ifreq(r0, 0x890b, &(0x7f00000000c0)={"696662300200", @ifru_map}) 2018/06/01 10:46:19 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuset.effective_mems\x00', 0x0, 0x0) ioctl$EVIOCGKEY(r1, 0x80404518, &(0x7f0000000100)=""/130) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x800) socket$bt_bnep(0x1f, 0x3, 0x4) socket$inet_sctp(0x2, 0x5, 0x84) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$void(r0, 0x5451) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x9, 0x20040) 2018/06/01 10:46:19 executing program 4: dup(0xffffffffffffff9c) syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x4, 0x10000) open(&(0x7f0000000080)='./file0\x00', 0x20040, 0x180) r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x100, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) write$tun(r0, &(0x7f00000000c0)={@void, @val={0x1, 0x7, 0x7, 0x4, 0x8001, 0x6}, @eth={@random="080cb94b87e6", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, [], {@canfd={0xd, {{0x4, 0x4, 0x1ff, 0x6}, 0x3b, 0x1, 0x0, 0x0, "3c80a4eeb098d0272367d7056108eeb69ae2dbea961619fa6ed2b9d8c26c6a3c9db6a504177a5f15b818dfa875e2375f00001a74b3754fdecb1227b2f0d82010"}}}}}, 0x60) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) 2018/06/01 10:46:19 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf1, 0x0) [ 315.078250] generic_make_request: Trying to write to read-only block-device loop3 (partno 0) 2018/06/01 10:46:19 executing program 5 (fault-call:2 fault-nth:38): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 315.162918] FAULT_INJECTION: forcing a failure. [ 315.162918] name failslab, interval 1, probability 0, space 0, times 0 [ 315.174316] CPU: 1 PID: 21858 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 315.181811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.191190] Call Trace: [ 315.194862] dump_stack+0x1b9/0x294 [ 315.198530] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.203781] should_fail.cold.4+0xa/0x1a [ 315.207888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.213036] ? graph_lock+0x170/0x170 [ 315.216867] ? zap_class+0x720/0x720 [ 315.220612] ? kmem_cache_alloc+0x12e/0x760 [ 315.225075] ? find_held_lock+0x36/0x1c0 [ 315.229441] ? __lock_is_held+0xb5/0x140 [ 315.233560] ? check_same_owner+0x320/0x320 [ 315.237923] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.243001] ? rcu_note_context_switch+0x710/0x710 [ 315.247986] __should_failslab+0x124/0x180 [ 315.252268] should_failslab+0x9/0x14 [ 315.256111] __kmalloc_track_caller+0x2c4/0x760 [ 315.260811] ? string+0x21d/0x2c0 [ 315.264308] ? kstrdup_const+0x66/0x80 [ 315.268371] kstrdup+0x39/0x70 [ 315.271603] kstrdup_const+0x66/0x80 [ 315.275354] __kernfs_new_node+0xa8/0x580 [ 315.279539] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 315.284343] ? pointer+0xa10/0xa10 [ 315.287950] ? kasan_check_write+0x14/0x20 [ 315.292229] ? snprintf+0xa5/0xd0 [ 315.295720] ? vsprintf+0x40/0x40 [ 315.299199] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 315.303740] kernfs_new_node+0x80/0xf0 [ 315.307665] __kernfs_create_file+0x4d/0x330 [ 315.312137] cgroup_addrm_files+0x437/0xaf0 [ 315.316512] ? cgroup_css.part.14+0x1f0/0x1f0 [ 315.321053] ? mark_held_locks+0xc9/0x160 [ 315.325239] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 315.329854] ? _raw_spin_unlock_irq+0x27/0x70 [ 315.334380] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 315.339431] ? mutex_unlock+0xd/0x10 [ 315.343239] ? cpuset_css_online+0x5a0/0x830 [ 315.347780] ? kasan_check_write+0x14/0x20 [ 315.352086] ? online_css+0x259/0x330 [ 315.355921] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:19 executing program 2: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) r1 = socket(0x40000000002, 0x3, 0x2) setsockopt$sock_int(r1, 0x1, 0x29, &(0x7f0000000000)=0xfffffffffffff361, 0x4) setsockopt$inet_int(r1, 0x0, 0x3, &(0x7f0000000100)=0x80, 0x4) sendto$unix(r1, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000000d00)=@file={0x1, './file0\x00'}, 0x6e) 2018/06/01 10:46:19 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(0xffffffffffffffff, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:19 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x2, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(0xffffffffffffffff, 0x84, 0x13, &(0x7f0000000040)={0x0, 0x44e}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000000c0)={r2, @in={{0x2, 0x4e21, @multicast1=0xe0000001}}, 0x9, 0x3ff}, 0x88) 2018/06/01 10:46:19 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xe1, 0x0) 2018/06/01 10:46:19 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e0000004500000020", 0x1d}], 0x1) [ 315.360123] cgroup_apply_control_enable+0x43b/0xce0 [ 315.365276] ? cgroup_propagate_control+0x5a0/0x5a0 [ 315.370333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.375899] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 315.380428] ? cgroup_file_name+0x1f0/0x1f0 [ 315.384792] ? css_populate_dir+0x2a2/0x420 [ 315.389143] cgroup_mkdir+0x825/0x10d0 [ 315.393062] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 315.397838] ? map_id_up+0x196/0x3c0 [ 315.401575] ? make_kprojid+0x30/0x30 [ 315.405407] ? set_nlink+0xaf/0x140 2018/06/01 10:46:19 executing program 0: r0 = epoll_create1(0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x1c400, 0x0) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000040)={0x10000, 0x1f, 0x2, 0xd6, 0x8, 0x7ff, 0x10000, 0x8000, 0x1, 0x4, 0x1}) r2 = epoll_create1(0x80000) close(r0) openat$sequencer(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer\x00', 0x40000, 0x0) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vcs\x00', 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000c85000)) readv(r0, &(0x7f0000266000)=[{&(0x7f000032cf93)=""/109, 0x6d}], 0x1) poll(&(0x7f0000000080)=[{r0}], 0x1, 0x0) fcntl$dupfd(r3, 0x406, r0) [ 315.409077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.414651] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 315.420215] ? kernfs_get_active+0xb2/0x120 [ 315.424574] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 315.429366] kernfs_iop_mkdir+0x159/0x1e0 [ 315.433586] ? getname_flags+0xd0/0x5a0 [ 315.437603] vfs_mkdir+0x42e/0x6b0 [ 315.441194] do_mkdirat+0x266/0x2f0 [ 315.444872] ? __ia32_sys_mknod+0xb0/0xb0 [ 315.449148] ? mm_fault_error+0x380/0x380 [ 315.453346] __ia32_sys_mkdirat+0x74/0xb0 [ 315.457536] do_fast_syscall_32+0x345/0xf9b [ 315.462004] ? do_int80_syscall_32+0x880/0x880 [ 315.466634] ? _raw_spin_unlock_irq+0x27/0x70 [ 315.471254] ? finish_task_switch+0x1ca/0x840 [ 315.475801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.481375] ? syscall_return_slowpath+0x30f/0x5c0 [ 315.486341] ? sysret32_from_system_call+0x5/0x46 [ 315.491238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.496137] entry_SYSENTER_compat+0x70/0x7f [ 315.500572] RIP: 0023:0xf7fa6cb9 [ 315.503962] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:19 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000), &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:19 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d000000000028", 0x2b}], 0x1) [ 315.511792] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 315.519198] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 315.526491] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 315.533786] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 315.541098] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 315.548676] cgroup: cgroup_addrm_files: failed to add memory_spread_page, err=-12 2018/06/01 10:46:21 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xd000, 0x0) 2018/06/01 10:46:21 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x80000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000040)=0xd89, 0x4) 2018/06/01 10:46:21 executing program 0: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0xb1, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fsetxattr(r0, &(0x7f0000000000)=@random={'os2.', 'IPVS\x00'}, &(0x7f0000000040)='IPVS\x00', 0x5, 0x1) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r1, &(0x7f0000000240)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r2, 0x0, 0x70bd2b, 0x25dfdbfe, {0x7}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xe9da}]}, 0x24}, 0x1, 0x0, 0x0, 0x40840}, 0x0) r3 = socket$inet(0x10, 0x804, 0x0) sendmsg(r3, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000014000)=[{&(0x7f000000d000)="2f000000190003000000140000000f000add00d800000000f0ef7fc908000f001001737e0beeffff005867855e7fa5", 0x2f}], 0x1}, 0x0) 2018/06/01 10:46:21 executing program 5 (fault-call:2 fault-nth:39): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:21 executing program 2: r0 = getpgrp(0x0) r1 = syz_open_procfs(r0, &(0x7f0000000080)='autogroup\x00') ioctl$TIOCMSET(r1, 0x5418, &(0x7f0000000000)=0x1) fchdir(r1) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000680)='./cgroup/syz1\x00', 0x1ff) 2018/06/01 10:46:21 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d000000000028", 0x2b}], 0x1) 2018/06/01 10:46:21 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000), &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:21 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$sock_netrom_SIOCGSTAMP(r2, 0x8906, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:21 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xf300, 0x0) [ 317.015582] FAULT_INJECTION: forcing a failure. [ 317.015582] name failslab, interval 1, probability 0, space 0, times 0 [ 317.027657] CPU: 1 PID: 21910 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 317.035055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.044441] Call Trace: [ 317.047067] dump_stack+0x1b9/0x294 [ 317.050737] ? dump_stack_print_info.cold.2+0x52/0x52 [ 317.055999] should_fail.cold.4+0xa/0x1a [ 317.060112] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/06/01 10:46:21 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x88000, 0x0) sendto$ipx(r1, &(0x7f0000000040)="b902b00dbbb01de4d50a0ba4853ba1e17fdfeb210ab9f24ff1aa5fc8167f521338b2ee93cb2f88daab89578ea1fc117f22b937a85b269509ba306ad9455381cccd12ee09a43c4035beda5886b3b4b8e5b01a384a42f4b61521b20bcb53", 0x5d, 0x240040c0, &(0x7f00000000c0)={0x4, 0x1ab, 0x8, "54b719275af2", 0x8}, 0x10) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0xac, &(0x7f00000001c0)=[@in={0x2, 0x4e23, @multicast2=0xe0000002}, @in6={0xa, 0x4e21, 0x1f, @dev={0xfe, 0x80, [], 0xb}, 0x40}, @in6={0xa, 0x4e22, 0x18000000000, @dev={0xfe, 0x80, [], 0x17}, 0x300000000000000}, @in6={0xa, 0x4e23, 0x6, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x6c59}, @in6={0xa, 0x4e21, 0x1, @mcast2={0xff, 0x2, [], 0x1}, 0x9}, @in={0x2, 0x4e22}, @in6={0xa, 0x4e24, 0x7, @remote={0xfe, 0x80, [], 0xbb}, 0x3}]}, &(0x7f0000000140)=0xc) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000280)={r2, 0x2d2, 0x2}, 0x8) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$KVM_GET_DEBUGREGS(r1, 0x8080aea1, &(0x7f00000002c0)) 2018/06/01 10:46:21 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d000000000028", 0x2b}], 0x1) [ 317.065475] ? graph_lock+0x170/0x170 [ 317.069407] ? zap_class+0x720/0x720 [ 317.073154] ? kmem_cache_alloc+0x12e/0x760 [ 317.077531] ? find_held_lock+0x36/0x1c0 [ 317.081725] ? __lock_is_held+0xb5/0x140 [ 317.085844] ? check_same_owner+0x320/0x320 [ 317.090219] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 317.095279] ? rcu_note_context_switch+0x710/0x710 [ 317.100250] __should_failslab+0x124/0x180 [ 317.104527] should_failslab+0x9/0x14 [ 317.108360] __kmalloc_track_caller+0x2c4/0x760 [ 317.113071] ? string+0x21d/0x2c0 [ 317.116667] ? kstrdup_const+0x66/0x80 [ 317.120598] kstrdup+0x39/0x70 [ 317.123832] kstrdup_const+0x66/0x80 [ 317.127586] __kernfs_new_node+0xa8/0x580 [ 317.131779] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 317.136576] ? pointer+0xa10/0xa10 [ 317.140420] ? kasan_check_write+0x14/0x20 [ 317.144690] ? snprintf+0xa5/0xd0 [ 317.148179] ? vsprintf+0x40/0x40 [ 317.151665] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 317.156288] kernfs_new_node+0x80/0xf0 [ 317.160218] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:21 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17", 0x32}], 0x1) [ 317.164671] cgroup_addrm_files+0x437/0xaf0 [ 317.169142] ? cgroup_css.part.14+0x1f0/0x1f0 [ 317.173677] ? mark_held_locks+0xc9/0x160 [ 317.177852] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 317.182469] ? _raw_spin_unlock_irq+0x27/0x70 [ 317.187019] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 317.192068] ? mutex_unlock+0xd/0x10 [ 317.195812] ? cpuset_css_online+0x5a0/0x830 [ 317.200294] ? kasan_check_write+0x14/0x20 [ 317.204570] ? online_css+0x259/0x330 [ 317.208408] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:21 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x402) ioctl$KVM_ASSIGN_SET_MSIX_NR(r1, 0x4008ae73, &(0x7f0000000080)={0xffffffff}) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) [ 317.212595] cgroup_apply_control_enable+0x43b/0xce0 [ 317.217811] ? cgroup_propagate_control+0x5a0/0x5a0 [ 317.222867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.228436] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 317.232975] ? cgroup_file_name+0x1f0/0x1f0 [ 317.237343] ? css_populate_dir+0x2a2/0x420 [ 317.241701] cgroup_mkdir+0x825/0x10d0 [ 317.245672] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 317.250461] ? map_id_up+0x196/0x3c0 [ 317.254208] ? make_kprojid+0x30/0x30 [ 317.258041] ? set_nlink+0xaf/0x140 [ 317.261709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.267298] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.272867] ? kernfs_get_active+0xb2/0x120 [ 317.277240] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 317.283420] kernfs_iop_mkdir+0x159/0x1e0 [ 317.287587] ? getname_flags+0xd0/0x5a0 [ 317.291590] vfs_mkdir+0x42e/0x6b0 [ 317.295183] do_mkdirat+0x266/0x2f0 [ 317.298847] ? __ia32_sys_mknod+0xb0/0xb0 [ 317.303043] ? mm_fault_error+0x380/0x380 [ 317.307230] __ia32_sys_mkdirat+0x74/0xb0 [ 317.311408] do_fast_syscall_32+0x345/0xf9b [ 317.315769] ? do_int80_syscall_32+0x880/0x880 [ 317.320382] ? _raw_spin_unlock_irq+0x27/0x70 [ 317.324902] ? finish_task_switch+0x1ca/0x840 [ 317.329441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.335012] ? syscall_return_slowpath+0x30f/0x5c0 [ 317.339992] ? sysret32_from_system_call+0x5/0x46 [ 317.344906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.349805] entry_SYSENTER_compat+0x70/0x7f [ 317.354239] RIP: 0023:0xf7fa6cb9 [ 317.357620] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 317.365367] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 317.372669] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 317.379976] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 317.387282] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 317.394581] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 317.402208] cgroup: cgroup_addrm_files: failed to add memory_spread_page, err=-12 2018/06/01 10:46:22 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17", 0x32}], 0x1) 2018/06/01 10:46:22 executing program 0: prctl$seccomp(0x16, 0x0, &(0x7f00000001c0)={0x2, &(0x7f00000000c0)=[{0x0, 0x8001, 0x6, 0x3}, {0x6, 0x4, 0x2, 0x7}]}) r0 = userfaultfd(0x0) sendfile64(r0, r0, &(0x7f0000000080), 0x9) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0xfffffffffffffff7, 0x10000) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f00000001c0)={&(0x7f0000ffc000/0x2000)=nil, 0x2000}) ioctl$LOOP_GET_STATUS(r1, 0x4c03, &(0x7f0000000100)) 2018/06/01 10:46:22 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xcd00, 0x0) 2018/06/01 10:46:22 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x6b64, 0x0) ioctl$sock_netrom_SIOCADDRT(r1, 0x890b, &(0x7f0000000200)) r2 = dup3(r0, r0, 0x80000) r3 = add_key$keyring(&(0x7f0000000240)='keyring\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffc) keyctl$instantiate_iov(0x14, r3, &(0x7f00000007c0)=[{&(0x7f00000002c0)="aca9fc1bafaebd4a8706fad6ce3c59c39920a41f2aeb0d287a803186ef9f714aaf48f6948e9de4459e4be9e0e9d7bf84bcdf169a0a41927ea9ca8a4561d352b98705b6ff54ab50e8dfb1c03b50c3c0b015c5ba0b798032afec8ee2399de331e355cf80580e1fae419ed3faf391789caa8213d7747e3874f4c3fb13b01a134db1042faaf78831a1ece358b833", 0x8c}, {&(0x7f0000000380)="f5b709e4db93e549214032869e9d4ab325a66566d81f090d888f6b3d9971a2813b8e32bece7f39d3b1fc09a5f3424d18f6faad7a41ed680cbe95cf1db3cd7a033ae2e3209c12c1f5ea78d34c7b987ba3ec421706e0ae360c20014572a481d870528dc909ba35296c24dbc031d60e657a452fa0cf0e0f6ea737344f6ca43fe6f12f0d8927f644cb21cc537f543f3bfc0d1c3976f1498959ad688436cb7b6bf4ef6751350d1ef8cdf241a23a8e6bef95cdfc2ec7ef6811e5f7d2d9363592b6ed2809792a3036c7e99542cf4b131008253252172ab3d3", 0xd5}, {&(0x7f0000000480)="04c0c965a4651d77d03760b471df75b12dd1c960d31cc95db0bf317c811e766216de9a856842c0b14b79c41d4571339a7ab58e4ecd04f4335c63d8cfb274093d141289cd878c0161f95eb80856c154b970f5e19e23e80ff1faff5455832710977495fd02ff0fe9ab2a111aff20c7d1acd6102b2cf95095734061bff460869320c9758283a567a6e3757ffb8c9512dcb7a4be26f25bee91b4ac72a58203ee0c1a5863dbc45e42aecfa14e67eada8461e9545c1b9ddaf2f164a62244de480faec719", 0xc1}, {&(0x7f0000000580)="edcb9cd893da65dac29e2caacd9430ff6ef891c6832d0157e31043150aadc5f971afdc7bea109720d6b4133d3f9b52cf4b4bc8268a02b5b523274ce575a6e0cad645eade457ef5eb38ced3fdb3ce2d3b4a972b55bce81ae7a8ab056e1295726f154ab405a01c357b10931c29b8f595876410ada494040501cad445c6deea6394400e0955b8f30d799e8abeee8a6fc4ff", 0x90}, {&(0x7f0000000640)="c029e592dcb38889aed07467b293b5991779888ea481682df7a5480c6858f815af29fcf8db164aa91750024ec3f484e52d3d6b68f86aa4d0f46bdd4209a7082243b15a091be56264b51bea3f342a648ccd9113f03ba463508227e0cc546c81b7a190c6c59bfbe22cc7ed6ea7ea2c3950a76cf49f8905657a5bd0a3b2911cdc6863187c7f1d7ce0a24d63b6ed95757213796a36d5bbcb619e466c822f89862b48bd41f6303f38f0e4c481e476cfa23cf0", 0xb0}, {&(0x7f0000000700)="18b90f3edd1a6b170742fa601e1581e6ec61b86cdc82572dab1b526407c602204423394ff4c7a3d2605338adfe81394ad39c4afc6b79a401218aceccbdf7c69bcc9d7d2f32009c2e5c21baafa850172f870a0a372c71527ff24a3929a47dcd37fa1cf2902567fe60fd46311367d162742a47bf210387a35abc26a6edc13bd6617576bdf95bbcdcb1cbb7dc11c188da609ace40c81d19d93180f0ccd62f9524a4aab8c2243b23b96e8cdf21d24e4c", 0xae}], 0x6, 0x0) ioctl$BLKPBSZGET(r2, 0x127b, &(0x7f0000000040)) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000100)=0x0) kcmp$KCMP_EPOLL_TFD(r4, r5, 0x7, r2, &(0x7f00000001c0)={r1, r0, 0x4}) getpeername$inet(r2, &(0x7f0000000080)={0x0, 0x0, @local}, &(0x7f00000000c0)=0x10) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:22 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0x69}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f0000000100)={r3, @in={{0x2, 0x4e24, @multicast2=0xe0000002}}, 0x8, 0xf47, 0x0, 0x1, 0x81}, &(0x7f0000000080)=0x98) ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0x9) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:22 executing program 2: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x101000, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x5, 0x10}, &(0x7f00000000c0)=0xc) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000100)={r1, @in={{0x2, 0x4e23, @rand_addr=0x2}}, 0x0, 0x378}, &(0x7f00000001c0)=0x88) r2 = socket$inet(0x2, 0x80000000000005, 0x0) setsockopt$ARPT_SO_SET_REPLACE(r2, 0x0, 0x60, &(0x7f00000005c0)={'filter\x00', 0x7, 0x4, 0xfffffe8a, 0x140, 0x0, 0x0, 0x3c0, 0x3c0, 0x3c0, 0x4, &(0x7f0000000080), {[{{@arp={@empty, @broadcast=0xffffffff, 0x0, 0x0, @mac, {}, @empty, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 'bcsh0\x00', 'ip6tnl0\x00'}, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@empty, @empty, @local={0xac, 0x14, 0x14, 0xaa}, @multicast2=0xe0000002}}}, {{@uncond, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac, @mac=@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, @empty, @loopback=0x7f000001}}}, {{@uncond, 0xf0, 0x114}, @mangle={0x0, 'mangle\x00', 0x0, {@empty, @mac=@random="27fe74eb0276", @loopback=0x7f000001, @rand_addr}}}], {{[], 0xc0, 0xe4}, {0x24, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0xfffffffffffffe31) 2018/06/01 10:46:22 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000), &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:22 executing program 5 (fault-call:2 fault-nth:40): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 318.634672] FAULT_INJECTION: forcing a failure. [ 318.634672] name failslab, interval 1, probability 0, space 0, times 0 [ 318.646188] CPU: 1 PID: 21951 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 318.653675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.663074] Call Trace: [ 318.665702] dump_stack+0x1b9/0x294 [ 318.669385] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.674631] should_fail.cold.4+0xa/0x1a [ 318.678902] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/06/01 10:46:23 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) fcntl$dupfd(r0, 0x0, r0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:23 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000040)={'yam0\x00', {0x2, 0x4e23, @multicast1=0xe0000001}}) recvmsg(r0, &(0x7f0000000240)={&(0x7f0000000080)=@un=@abs, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000100)=""/20, 0x14}, {&(0x7f0000000140)=""/83, 0x53}], 0x2, &(0x7f0000000200)=""/39, 0x27, 0xffffffffffffffff}, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x3, 0x40000) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000280)={0x7, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000002c0)=0x20) setsockopt$inet_opts(r1, 0x0, 0x29, &(0x7f0000000000), 0x0) 2018/06/01 10:46:23 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17", 0x32}], 0x1) [ 318.684074] ? graph_lock+0x170/0x170 [ 318.687917] ? zap_class+0x720/0x720 [ 318.691678] ? kmem_cache_alloc+0x12e/0x760 [ 318.696069] ? find_held_lock+0x36/0x1c0 [ 318.700212] ? __lock_is_held+0xb5/0x140 [ 318.704415] ? check_same_owner+0x320/0x320 [ 318.708790] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 318.713848] ? rcu_note_context_switch+0x710/0x710 [ 318.718855] __should_failslab+0x124/0x180 [ 318.723132] should_failslab+0x9/0x14 [ 318.727208] __kmalloc_track_caller+0x2c4/0x760 [ 318.731951] ? string+0x21d/0x2c0 [ 318.735453] ? kstrdup_const+0x66/0x80 [ 318.739388] kstrdup+0x39/0x70 [ 318.742628] kstrdup_const+0x66/0x80 [ 318.746385] __kernfs_new_node+0xa8/0x580 [ 318.750580] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 318.755374] ? pointer+0xa10/0xa10 [ 318.758976] ? kasan_check_write+0x14/0x20 [ 318.763267] ? snprintf+0xa5/0xd0 [ 318.766773] ? vsprintf+0x40/0x40 [ 318.770264] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 318.774810] kernfs_new_node+0x80/0xf0 [ 318.778756] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:23 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x80500, 0x0) ioctl$KVM_DEASSIGN_PCI_DEVICE(r1, 0x4040ae72, &(0x7f0000000040)={0x2, 0x9, 0x10000, 0x0, 0x7}) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000080)=[@in6={0xa, 0x4e24, 0x0, @loopback={0x0, 0x1}, 0x7}, @in={0x2, 0x4e22, @multicast1=0xe0000001}, @in={0x2, 0x4e21}, @in6={0xa, 0x4e21, 0x7, @ipv4={[], [0xff, 0xff]}, 0x80}], 0x58) [ 318.783213] cgroup_addrm_files+0x437/0xaf0 [ 318.787780] ? cgroup_css.part.14+0x1f0/0x1f0 [ 318.792504] ? mark_held_locks+0xc9/0x160 [ 318.796789] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 318.801408] ? _raw_spin_unlock_irq+0x27/0x70 [ 318.805958] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 318.811015] ? mutex_unlock+0xd/0x10 [ 318.814765] ? cpuset_css_online+0x5a0/0x830 [ 318.819209] ? kasan_check_write+0x14/0x20 [ 318.823482] ? online_css+0x259/0x330 [ 318.827326] css_populate_dir+0x1a8/0x420 [ 318.831528] cgroup_apply_control_enable+0x43b/0xce0 [ 318.836683] ? cgroup_propagate_control+0x5a0/0x5a0 [ 318.841753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.847338] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 318.851870] ? cgroup_file_name+0x1f0/0x1f0 [ 318.856249] ? css_populate_dir+0x2a2/0x420 [ 318.860619] cgroup_mkdir+0x825/0x10d0 [ 318.864567] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 318.869366] ? map_id_up+0x196/0x3c0 [ 318.873122] ? make_kprojid+0x30/0x30 [ 318.876976] ? set_nlink+0xaf/0x140 2018/06/01 10:46:23 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06", 0x36}], 0x1) 2018/06/01 10:46:23 executing program 4: r0 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x80000000, 0x4000) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) [ 318.880647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.888080] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 318.893743] ? kernfs_get_active+0xb2/0x120 [ 318.898178] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 318.902987] kernfs_iop_mkdir+0x159/0x1e0 [ 318.907172] ? getname_flags+0xd0/0x5a0 [ 318.911175] vfs_mkdir+0x42e/0x6b0 [ 318.914794] do_mkdirat+0x266/0x2f0 [ 318.918456] ? __ia32_sys_mknod+0xb0/0xb0 [ 318.922637] ? mm_fault_error+0x380/0x380 [ 318.926825] __ia32_sys_mkdirat+0x74/0xb0 [ 318.931005] do_fast_syscall_32+0x345/0xf9b [ 318.935366] ? do_int80_syscall_32+0x880/0x880 [ 318.939982] ? _raw_spin_unlock_irq+0x27/0x70 [ 318.944507] ? finish_task_switch+0x1ca/0x840 [ 318.949128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.954708] ? syscall_return_slowpath+0x30f/0x5c0 [ 318.959689] ? sysret32_from_system_call+0x5/0x46 [ 318.964592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.969658] entry_SYSENTER_compat+0x70/0x7f [ 318.974525] RIP: 0023:0xf7fa6cb9 [ 318.977908] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:23 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) tee(r0, r0, 0x9c5, 0x2) ioctl$fiemap(r0, 0xc020660b, &(0x7f0000000000)={0x903, 0x6, 0x4, 0x8ef4, 0x3, [{0x7, 0xe2, 0x8000, 0x0, 0x0, 0x1800}, {0x0, 0xf0b, 0x4, 0x0, 0x0, 0x4}, {0x7, 0x400, 0x10001, 0x0, 0x0, 0x1008}]}) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:23 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06", 0x36}], 0x1) [ 318.985658] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 318.992972] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 319.000273] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 319.007570] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 319.014863] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 319.022537] cgroup: cgroup_addrm_files: failed to add memory_spread_slab, err=-12 2018/06/01 10:46:23 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0xda, 0x0) 2018/06/01 10:46:23 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000180)='notify_on_release\x00', 0x2, 0x0) sendfile64(r1, r1, &(0x7f0000000080), 0x404c) 2018/06/01 10:46:23 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r2, 0x40042409, 0x1001) ioctl$KVM_DEASSIGN_DEV_IRQ(r2, 0x4040ae75, &(0x7f0000000000)={0xffffffffffffff7f, 0x0, 0x101, 0x3}) setsockopt$inet_mreqsrc(r2, 0x0, 0x2f, &(0x7f0000000040)={@rand_addr=0x6, @multicast1=0xe0000001, @local={0xac, 0x14, 0x14, 0xaa}}, 0xc) 2018/06/01 10:46:24 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x2a000, 0x0) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000040)={0x5, 0xffffffffffff7fff}) listen$netrom(r1, 0x0) getsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080), 0x2) 2018/06/01 10:46:24 executing program 5 (fault-call:2 fault-nth:41): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:24 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x800b00) 2018/06/01 10:46:24 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06", 0x36}], 0x1) 2018/06/01 10:46:24 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f36000)={&(0x7f0000333f88)=ANY=[@ANYBLOB="020200020c000000ffffffffffffffff02000800020000000004000000000000030006000000000002004e20e0000001000000000000002402000100f8ffffff0000000200000000030005000000000002004e20e00000010000000000000000"], 0x60}, 0x1}, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ion\x00', 0x100, 0x0) ioctl$ION_IOC_HEAP_QUERY(r1, 0xc0184908, &(0x7f0000000080)={0xff, 0x0, 0x1, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000100)=0x4) fcntl$getownex(r2, 0x10, &(0x7f0000000240)={0x0, 0x0}) get_robust_list(r3, &(0x7f0000000300)=&(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)}, &(0x7f0000000340)=0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000140)=0xb31a, 0x4) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x891a, &(0x7f0000000000)={'sit0\x00', {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}) r4 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/dsp\x00', 0x40, 0x0) r5 = syz_open_dev$dmmidi(&(0x7f00000001c0)='/dev/dmmidi#\x00', 0x113f, 0x101) fanotify_mark(r4, 0x2, 0x1, r5, &(0x7f0000000200)='./file0\x00') 2018/06/01 10:46:24 executing program 3: r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffff9c) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000200)={{{@in6=@remote, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@remote}}, &(0x7f0000000100)=0xe8) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000140)={r1, @multicast2=0xe0000002, @dev={0xac, 0x14, 0x14, 0x1e}}, 0xc) r2 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r3 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r2, 0x4c00, r4) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r4) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r3) ioctl$LOOP_SET_FD(r3, 0x4c00, r2) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000000)={0x3, 0x85, "9ab12889d64719af4547e392c86ecabd45282390d9870fcc0103f3a421763275cba98dc53bd3e72a398e12ec977ce7a583c9fc1799c9954973e24dd67f0e800ab3c749e79ef63b90e4af8f1f3a602e21a599fcec3f4d04c13e0ce242f89fa2be7e67002163d4e17ab758e0f1937d4770194a06b065bff9d5d879c4a9995afd22aa5067ad45"}) 2018/06/01 10:46:24 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:24 executing program 0: r0 = socket$inet6(0x10, 0x2, 0x0) sendmsg(r0, &(0x7f0000000100)={&(0x7f0000000000)=@nl=@proc={0x10}, 0x80, &(0x7f0000002000)=[{&(0x7f00000001c0)="5500000018007fafb72d1cb2a4a280930206000000a843090a2623692500060004000200080000000000a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x1, &(0x7f00000000c0)}, 0x0) [ 320.412364] netlink: 'syz-executor0': attribute type 6 has an invalid length. [ 320.448280] FAULT_INJECTION: forcing a failure. [ 320.448280] name failslab, interval 1, probability 0, space 0, times 0 [ 320.459856] CPU: 1 PID: 22035 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 320.467264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.477260] Call Trace: [ 320.479908] dump_stack+0x1b9/0x294 [ 320.483590] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.488946] should_fail.cold.4+0xa/0x1a [ 320.493141] ? __kmalloc_track_caller+0x14a/0x760 [ 320.498029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.503185] ? cgroup_mkdir+0x825/0x10d0 [ 320.507053] ion_ioctl: ioctl validate failed [ 320.507306] ? kernfs_iop_mkdir+0x159/0x1e0 [ 320.516056] ? do_mkdirat+0x266/0x2f0 [ 320.520150] ? __ia32_sys_mkdirat+0x74/0xb0 [ 320.524500] ? do_fast_syscall_32+0x345/0xf9b [ 320.529020] ? entry_SYSENTER_compat+0x70/0x7f [ 320.533628] ? graph_lock+0x170/0x170 [ 320.537479] ? find_held_lock+0x36/0x1c0 [ 320.541573] ? print_usage_bug+0xc0/0xc0 [ 320.545668] ? find_held_lock+0x36/0x1c0 [ 320.549777] ? __lock_is_held+0xb5/0x140 [ 320.553916] ? check_same_owner+0x320/0x320 [ 320.558281] ? rcu_note_context_switch+0x710/0x710 2018/06/01 10:46:24 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff060604", 0x38}], 0x1) 2018/06/01 10:46:24 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes)\x00'}, 0x58) r1 = syz_open_dev$adsp(&(0x7f0000000240)='/dev/adsp#\x00', 0x10, 0x2002) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f0000000280), &(0x7f00000002c0)=0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="71e67a11cdf8311cfc093a52a7d86bd1", 0x10) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmsg$alg(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000440), 0x0, &(0x7f0000000180)=[@op={0x10, 0x117, 0x3, 0x1}], 0x10}, 0x0) recvmmsg(r2, &(0x7f000000bb40)=[{{&(0x7f0000007a00)=@hci, 0x80, &(0x7f0000007bc0)=[{&(0x7f0000007ac0)=""/222, 0xde}], 0x1, &(0x7f0000007c00)=""/214, 0xd6}}], 0x1, 0x0, &(0x7f000000bc80)) getsockname(r2, &(0x7f00000001c0)=@un=@abs, &(0x7f0000000140)=0x80) r3 = open(&(0x7f00000000c0)='./file0\x00', 0x2000, 0x2) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f0000000100)={r2}) socket$alg(0x26, 0x5, 0x0) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) [ 320.563241] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.568304] __should_failslab+0x124/0x180 [ 320.572843] should_failslab+0x9/0x14 [ 320.576673] kmem_cache_alloc+0x2af/0x760 [ 320.580849] ? memcpy+0x45/0x50 [ 320.584177] ? kstrdup+0x59/0x70 [ 320.587577] __kernfs_new_node+0xe7/0x580 [ 320.591845] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 320.596708] ? pointer+0xa10/0xa10 [ 320.596744] ? kasan_check_write+0x14/0x20 [ 320.604547] ? snprintf+0xa5/0xd0 [ 320.608024] ? vsprintf+0x40/0x40 2018/06/01 10:46:24 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x600) 2018/06/01 10:46:24 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = dup(r0) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000000)={0x0, 0xffff, 0x30, 0xadf, 0x8}, &(0x7f0000000040)=0x18) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000080)={r2, 0xd0}, 0x8) [ 320.611504] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 320.616081] kernfs_new_node+0x80/0xf0 [ 320.620018] __kernfs_create_file+0x4d/0x330 [ 320.624464] cgroup_addrm_files+0x437/0xaf0 [ 320.628839] ? cgroup_css.part.14+0x1f0/0x1f0 [ 320.633461] ? mark_held_locks+0xc9/0x160 [ 320.637635] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 320.642256] ? _raw_spin_unlock_irq+0x27/0x70 [ 320.646782] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 320.651832] ? mutex_unlock+0xd/0x10 [ 320.655572] ? cpuset_css_online+0x5a0/0x830 [ 320.660013] ? kasan_check_write+0x14/0x20 [ 320.664278] ? online_css+0x259/0x330 [ 320.668119] css_populate_dir+0x1a8/0x420 [ 320.672306] cgroup_apply_control_enable+0x43b/0xce0 [ 320.677469] ? cgroup_propagate_control+0x5a0/0x5a0 [ 320.682525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.688105] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 320.692644] ? cgroup_file_name+0x1f0/0x1f0 [ 320.697017] ? css_populate_dir+0x2a2/0x420 [ 320.701383] cgroup_mkdir+0x825/0x10d0 [ 320.705333] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 320.710139] ? map_id_up+0x196/0x3c0 [ 320.713899] ? make_kprojid+0x30/0x30 [ 320.717752] ? set_nlink+0xaf/0x140 [ 320.721416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.727007] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.732576] ? kernfs_get_active+0xb2/0x120 [ 320.732596] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 320.732618] kernfs_iop_mkdir+0x159/0x1e0 [ 320.732637] ? getname_flags+0xd0/0x5a0 [ 320.732661] vfs_mkdir+0x42e/0x6b0 [ 320.732689] do_mkdirat+0x266/0x2f0 [ 320.732732] ? __ia32_sys_mknod+0xb0/0xb0 2018/06/01 10:46:25 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff060604", 0x38}], 0x1) [ 320.732756] ? mm_fault_error+0x380/0x380 [ 320.742069] __ia32_sys_mkdirat+0x74/0xb0 [ 320.742093] do_fast_syscall_32+0x345/0xf9b [ 320.742117] ? do_int80_syscall_32+0x880/0x880 [ 320.742138] ? kasan_check_write+0x14/0x20 [ 320.742164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.750320] ? syscall_return_slowpath+0x30f/0x5c0 [ 320.750348] ? sysret32_from_system_call+0x5/0x46 [ 320.750375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.774455] entry_SYSENTER_compat+0x70/0x7f [ 320.774476] RIP: 0023:0xf7fa6cb9 [ 320.811528] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 320.819274] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 320.826670] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 320.833978] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 320.841280] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 320.848585] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 320.857546] cgroup: cgroup_addrm_files: failed to add memory_spread_slab, err=-12 2018/06/01 10:46:26 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x4000, 0x0) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000680)='/dev/qat_adf_ctl\x00', 0x200, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000006c0)) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) fcntl$setflags(r0, 0x2, 0x1) vmsplice(r0, &(0x7f0000000640)=[{&(0x7f0000000000)="33617aedd0ccf18ffd437c2f13038f4ae822e6c5b69f9934e0d5b3621fc46edf1c288cd8db8b7af0d35caa9f2312ce1c00c9359c49650eeec5b05e7ecb62e3756aef6b1101f670bd1da6d4b896331a5c24534d263328d79256a33f472ded5da650765e57851bd72ff360d662660f89e00f9c5c745826df22ee7b041a6ad746df2b67076844e85893e6e9a8ff37ecc3b6214b22d6dcedd894", 0x98}, {&(0x7f00000001c0)="938a70099c471d83f4c63e27b7c8c6948b396cf9e0f4dcf182eff63d63e126d5483d5c2977c52f3f8d7e5cb1d87b8ec5bbc0165dfc0dad003dbd47413937f11f16a92d5b8400276d7da41bc8e7d3869b94a8e292a1e474bfabab1a355e2e6334dd48ce29c553bc87bb3f602a50aff77fd16c512fdd07b7e4bdca3f7fd7effedeade2a98a8a5deb6bdd82f503bcba00be68070a67a3c0bb238c2e1dca6f01e09265e1268f5d7c06f3f70cdbbd3b7a548bd4acb0600fa1959a999115d0b8ddd8d7441a4e855f60911e5210aea680d2e51ef4c3edeef0ab01a9611dfa46590f35e8cb270c46ec98a71e06a0b0f89e", 0xed}, {&(0x7f00000002c0)="e033226cb8b6d430a2f3358296755e1ae4a7fb7f7766198f8300779649b995b85fc4226ab06e052adbf0da88abd708579aff1f183a15fd4c49d4944646ca38b82998a4456c05336bd29e6a88092acb96abb80f5aba0a0282ad9c99295ed744da26552157ee8c3fc2bd5bd273b8d38d49ffb6510ecc656542a2dacd4c9fc3a8f1534a8ba133202732b9bd1f6e7ede19465d2b7147ad5d2660d8b7a4ea5eebd9b5098ab5c5533412c8ba4abad9d3f728f2fb240565e9dbf366181d3b098b5ed15508", 0xc1}, {&(0x7f00000000c0)="0b3e200f2850e46c152d98e4492f7c3fb903f8430310886a5e0760b6215506581dddcf478277e409af48db61a8998114875bce0cd38d813ca874362d6bdf88ee3adb63ec61ddbb4f05bee763a3205fff85502d21c49cb4f52bf2549205ee9d3d2f9ad48a6cdda934a06ddc1039f8a7f110c757bf7c883275f660daca692efc652ea21a259aa9be2dbb25", 0x8a}, {&(0x7f00000003c0)="b4bd43037b8b4b319a733be353e09d10b53eabf0fc1d702b4da483798701f29c326eb1c52bf435aac2b78499fa2b809922d539224befc04157c491d00baf81e97e3a90a7b418f84f67bf381ad147f96ddf011d41ce44bb0b279e95fee52395ddf9cbb3b81149545c80455e6583c1a77ec486a3079706cd50b311c3387068bac10532501bb4d091dd97e490449665dd8f631a9bcd6f970ab028c1dbc7ea36f75f94ce37b0e3a83bbab25ffad90c6b02dc2011a08b7c2a1c8a", 0xb8}, {&(0x7f0000000480)="bb9f07177517c0d0c0ae7d975769e059ea960c41393cef78cc0f6094f1c2bc5d2ecac5e4d02c6a4909ebc28efa65a9bfed58da2140c12e2ebb94e001725868dea62dbc506f0fb2355508ac1b3ac144a0496e265a192a99e8e0b0bb31607cd4", 0x5f}, {&(0x7f0000000500)="bd79c83fb7f55c3a2a676336ffaf4e1c19c34197abfcf6911b7699f95f85b2920c44d134d83321f4525d60ec0d8a2c59d717d5e8391316ded613b94c6422052ac024fb129018981177fbd8463db9c437be5dbd686f044eed0aa69e881619db18d21e564ef17d7ad8b2d4fc6c10f28ddf10d73310ab144fbdf14ed5f8c4975404fec3747f23ed8e8ce37bcdbd6b89df65c525d50fac691f84fd0317bb0374fc1ad4ad0494f5d74516", 0xa8}, {&(0x7f00000005c0)="581e82a24d9bc42a65e8cb1f0c5bcbed9ea77fb9c4c5ffc4a525826c6cb8861258d8f5d244c88cd1259bf18270a127c992d57cdc8ec99da0b682e95baf4342f0af0e46e5ea1b4ea2f37ddbef3a2390e30f079c9ffff04f2d0dbebd4bf8e76500e85224198882d4b0ce5b44a6929969c43beea3dd", 0x74}], 0x8, 0xc) 2018/06/01 10:46:26 executing program 2: r0 = eventfd(0x7) read(r0, &(0x7f0000000040)=""/195, 0xc3) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x2) 2018/06/01 10:46:26 executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000011fc8)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000000)="2400000008061f001cfffd946fa2830020200a000900010001e700000000a3a20404ff7e", 0x24}], 0x1}, 0x0) 2018/06/01 10:46:26 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x7ffff) 2018/06/01 10:46:26 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x101040, 0x0) connect$netrom(r1, &(0x7f0000000200)=@full={{0x3, {"5fc2e266674845"}, 0x4}, [{"0549c5b0952829"}, {"1feab9b40ad372"}, {"a7744bc04af13d"}, {"3343b7c3f68e37"}, {"51550ce7f16549"}, {"63377f3558a2fc"}, {"4cfbd63aa367a5"}, {"dfbcaff5f2281c"}]}, 0x48) r2 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x9, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xffffffffffffffc0, 0x802) 2018/06/01 10:46:26 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff060604", 0x38}], 0x1) 2018/06/01 10:46:26 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:26 executing program 5 (fault-call:2 fault-nth:42): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 321.716903] QAT: Invalid ioctl [ 321.729661] FAULT_INJECTION: forcing a failure. [ 321.729661] name failslab, interval 1, probability 0, space 0, times 0 [ 321.736573] QAT: Invalid ioctl [ 321.741106] CPU: 1 PID: 22083 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 321.751786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.761340] Call Trace: [ 321.763971] dump_stack+0x1b9/0x294 [ 321.767643] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.772897] should_fail.cold.4+0xa/0x1a [ 321.777106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.782381] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 321.786917] ? cgroup_file_name+0x1f0/0x1f0 [ 321.791295] ? graph_lock+0x170/0x170 [ 321.795157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.800746] ? find_held_lock+0x36/0x1c0 [ 321.804851] ? __lock_is_held+0xb5/0x140 [ 321.808976] ? check_same_owner+0x320/0x320 [ 321.813333] ? rcu_note_context_switch+0x710/0x710 [ 321.818313] __should_failslab+0x124/0x180 [ 321.822580] should_failslab+0x9/0x14 [ 321.826496] kmem_cache_alloc_trace+0x2cb/0x780 [ 321.831204] ? __lock_is_held+0xb5/0x140 [ 321.835297] cpuacct_css_alloc+0x55/0x160 [ 321.839479] cgroup_apply_control_enable+0x52d/0xce0 [ 321.844628] ? cgroup_propagate_control+0x5a0/0x5a0 [ 321.849674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.855236] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 321.859867] ? cgroup_file_name+0x1f0/0x1f0 2018/06/01 10:46:26 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 321.864234] ? css_populate_dir+0x2a2/0x420 [ 321.868724] cgroup_mkdir+0x825/0x10d0 [ 321.872760] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 321.877555] ? map_id_up+0x196/0x3c0 [ 321.881320] ? make_kprojid+0x30/0x30 [ 321.885151] ? set_nlink+0xaf/0x140 [ 321.888804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.894372] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 321.899959] ? kernfs_get_active+0xb2/0x120 [ 321.904400] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 321.909189] kernfs_iop_mkdir+0x159/0x1e0 [ 321.913545] ? getname_flags+0xd0/0x5a0 2018/06/01 10:46:26 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@loopback={0x0, 0x1}}, 0x200000a0) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000000c0)={0x0, 0x4}, 0x8) [ 321.917558] vfs_mkdir+0x42e/0x6b0 [ 321.921137] do_mkdirat+0x266/0x2f0 [ 321.924826] ? __ia32_sys_mknod+0xb0/0xb0 [ 321.929093] ? mm_fault_error+0x380/0x380 [ 321.933278] __ia32_sys_mkdirat+0x74/0xb0 [ 321.937464] do_fast_syscall_32+0x345/0xf9b [ 321.941821] ? do_int80_syscall_32+0x880/0x880 [ 321.946431] ? _raw_spin_unlock_irq+0x27/0x70 [ 321.950971] ? finish_task_switch+0x1ca/0x840 [ 321.955495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.955519] ? syscall_return_slowpath+0x30f/0x5c0 2018/06/01 10:46:26 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x900000000000000) 2018/06/01 10:46:26 executing program 2: r0 = eventfd(0x2) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x80, 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f0000000080)={0xffffffffffffffff, 0x3, 0x1, 0x3, 0x2}) ioctl$TCSETAW(r1, 0x5407, &(0x7f0000000040)={0xfffffffffffffffd, 0x2, 0xcec4, 0x7, 0x1, 0x80, 0x3, 0x5, 0x7, 0x1000000}) write$eventfd(r0, &(0x7f00000000c0)=0xffffffffffffff90, 0x8) readv(r0, &(0x7f0000000100)=[{&(0x7f00000002c0)=""/212, 0xd4}], 0x1) [ 321.966020] ? sysret32_from_system_call+0x5/0x46 [ 321.970917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.975996] entry_SYSENTER_compat+0x70/0x7f [ 321.980423] RIP: 0023:0xf7fa6cb9 [ 321.983806] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 321.991546] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 321.998948] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 322.006238] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:26 executing program 6 (fault-call:1 fault-nth:0): r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:26 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x4) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0x30000) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f0000000040), 0x4) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) [ 322.013534] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 322.020833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 322.094304] FAULT_INJECTION: forcing a failure. [ 322.094304] name failslab, interval 1, probability 0, space 0, times 0 [ 322.105766] CPU: 0 PID: 22106 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #103 [ 322.113271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.113280] Call Trace: [ 322.113313] dump_stack+0x1b9/0x294 [ 322.113340] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.134270] ? lock_downgrade+0x8e0/0x8e0 [ 322.138444] should_fail.cold.4+0xa/0x1a [ 322.142796] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.147924] ? __local_bh_enable_ip+0x161/0x230 [ 322.152630] ? _raw_spin_unlock_bh+0x30/0x40 [ 322.157083] ? release_sock+0x1e2/0x2b0 [ 322.161066] ? rcu_is_watching+0x85/0x140 [ 322.165767] ? __release_sock+0x3a0/0x3a0 [ 322.169949] ? find_held_lock+0x36/0x1c0 [ 322.174062] ? check_same_owner+0x320/0x320 [ 322.178412] ? rcu_note_context_switch+0x710/0x710 [ 322.183361] ? __netlink_lookup+0x5cf/0xaa0 [ 322.187702] __should_failslab+0x124/0x180 [ 322.191963] should_failslab+0x9/0x14 [ 322.195776] kmem_cache_alloc_node+0x272/0x780 [ 322.200374] ? find_held_lock+0x36/0x1c0 [ 322.204455] __alloc_skb+0x111/0x780 [ 322.208184] ? skb_scrub_packet+0x580/0x580 [ 322.212531] ? rcu_is_watching+0x85/0x140 [ 322.216690] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 322.221981] ? zap_class+0x720/0x720 [ 322.225789] ? graph_lock+0x170/0x170 [ 322.229605] ? lock_acquire+0x1dc/0x520 [ 322.233619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.239181] ? netlink_autobind.isra.34+0x240/0x330 [ 322.244323] netlink_sendmsg+0xb01/0xfa0 [ 322.248508] ? netlink_unicast+0x740/0x740 [ 322.252769] ? security_socket_sendmsg+0x94/0xc0 [ 322.257548] ? netlink_unicast+0x740/0x740 [ 322.261809] sock_sendmsg+0xd5/0x120 [ 322.265540] sock_write_iter+0x35a/0x5a0 [ 322.269620] ? sock_sendmsg+0x120/0x120 [ 322.273630] do_iter_readv_writev+0x859/0xa50 [ 322.278148] ? vfs_dedupe_file_range+0xa00/0xa00 [ 322.282925] ? rw_verify_area+0x118/0x360 [ 322.287101] do_iter_write+0x185/0x5f0 [ 322.291000] ? iov_iter_get_pages+0x11e0/0x11e0 [ 322.295695] compat_writev+0x206/0x3f0 [ 322.299600] ? do_pwritev+0x270/0x270 [ 322.303436] ? wait_for_completion+0x870/0x870 [ 322.308141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.313690] ? __fdget_pos+0xd6/0x1e0 [ 322.317514] ? __fdget_raw+0x20/0x20 [ 322.321330] ? __sb_end_write+0xac/0xe0 [ 322.325336] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.330901] do_compat_writev+0x113/0x240 [ 322.335079] ? compat_writev+0x3f0/0x3f0 [ 322.339156] ? mm_fault_error+0x380/0x380 [ 322.343327] __ia32_compat_sys_writev+0x74/0xb0 [ 322.348017] do_fast_syscall_32+0x345/0xf9b [ 322.352456] ? do_int80_syscall_32+0x880/0x880 [ 322.357076] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 322.361952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.367513] ? syscall_return_slowpath+0x30f/0x5c0 [ 322.372471] ? sysret32_from_system_call+0x5/0x46 [ 322.377344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.382223] entry_SYSENTER_compat+0x70/0x7f [ 322.386654] RIP: 0023:0xf7f78cb9 [ 322.390054] RSP: 002b:00000000f5f740ac EFLAGS: 00000282 ORIG_RAX: 0000000000000092 [ 322.397803] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000200000c0 [ 322.405090] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 322.412374] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 322.419659] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 322.426952] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/06/01 10:46:26 executing program 5 (fault-call:2 fault-nth:43): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:26 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) getpgrp(0xffffffffffffffff) ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000100)=0x0) r2 = syz_open_procfs(r1, &(0x7f0000000140)='attr/prev\x00') getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0, 0x0}, &(0x7f00000000c0)=0xc) ioctl$TUNSETGROUP(r2, 0x400454ce, r3) [ 322.546620] FAULT_INJECTION: forcing a failure. [ 322.546620] name failslab, interval 1, probability 0, space 0, times 0 [ 322.558087] CPU: 0 PID: 22116 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 322.565493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.574979] Call Trace: [ 322.577607] dump_stack+0x1b9/0x294 [ 322.581279] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.586524] should_fail.cold.4+0xa/0x1a [ 322.590626] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/06/01 10:46:26 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x1000000000000) 2018/06/01 10:46:26 executing program 2: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 322.595769] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 322.600391] ? cgroup_file_name+0x1f0/0x1f0 [ 322.604752] ? graph_lock+0x170/0x170 [ 322.608598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.614180] ? find_held_lock+0x36/0x1c0 [ 322.618344] ? __lock_is_held+0xb5/0x140 [ 322.622462] ? check_same_owner+0x320/0x320 [ 322.627344] ? rcu_note_context_switch+0x710/0x710 [ 322.632327] __should_failslab+0x124/0x180 [ 322.636616] should_failslab+0x9/0x14 [ 322.640457] kmem_cache_alloc_trace+0x2cb/0x780 [ 322.645164] ? __lock_is_held+0xb5/0x140 [ 322.645201] cpuacct_css_alloc+0x55/0x160 [ 322.645236] cgroup_apply_control_enable+0x52d/0xce0 [ 322.645278] ? cgroup_propagate_control+0x5a0/0x5a0 [ 322.645307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.653556] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 322.653574] ? cgroup_file_name+0x1f0/0x1f0 [ 322.653605] ? css_populate_dir+0x2a2/0x420 [ 322.653630] cgroup_mkdir+0x825/0x10d0 [ 322.653660] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 322.653677] ? map_id_up+0x196/0x3c0 2018/06/01 10:46:27 executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000000)="aeb05f50d6f8005be946b49615a338b2", 0x10) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'veth0_to_bridge\x00', 0x0}) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000011000300000000000000003700070000", @ANYRES32=r3, @ANYBLOB="000000000000000008fd190004000000"], 0x28}, 0x1}, 0x0) r5 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x402000, 0x80) ioctl$DRM_IOCTL_AUTH_MAGIC(r5, 0x40046411, &(0x7f00000001c0)=0x4) ioctl$VHOST_SET_LOG_FD(r5, 0x4004af07, &(0x7f0000000200)=r2) 2018/06/01 10:46:27 executing program 6 (fault-call:1 fault-nth:1): r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 322.653704] ? make_kprojid+0x30/0x30 [ 322.653733] ? set_nlink+0xaf/0x140 [ 322.664058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.664082] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 322.664100] ? kernfs_get_active+0xb2/0x120 [ 322.664117] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 322.664143] kernfs_iop_mkdir+0x159/0x1e0 [ 322.691560] ? getname_flags+0xd0/0x5a0 [ 322.691585] vfs_mkdir+0x42e/0x6b0 [ 322.691615] do_mkdirat+0x266/0x2f0 [ 322.738308] ? __ia32_sys_mknod+0xb0/0xb0 [ 322.742503] ? mm_fault_error+0x380/0x380 2018/06/01 10:46:27 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0xffffffffeffffffc, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 322.746778] __ia32_sys_mkdirat+0x74/0xb0 [ 322.751058] do_fast_syscall_32+0x345/0xf9b [ 322.755420] ? do_int80_syscall_32+0x880/0x880 [ 322.760033] ? finish_task_switch+0x1ca/0x840 [ 322.763170] netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. [ 322.764669] ? syscall_return_slowpath+0x30f/0x5c0 [ 322.764699] ? sysret32_from_system_call+0x5/0x46 [ 322.764727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.764758] entry_SYSENTER_compat+0x70/0x7f [ 322.764778] RIP: 0023:0xf7fa6cb9 [ 322.795957] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 322.803725] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 322.811020] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 322.818315] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 322.825612] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 322.832917] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 322.859351] bridge0: port 1(bridge_slave_0) entered disabled state [ 322.872224] FAULT_INJECTION: forcing a failure. [ 322.872224] name failslab, interval 1, probability 0, space 0, times 0 [ 322.883616] CPU: 0 PID: 22137 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #103 [ 322.891089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.900481] Call Trace: [ 322.903097] dump_stack+0x1b9/0x294 2018/06/01 10:46:27 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000200)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cast5)\x00'}, 0x428) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000), 0x19) [ 322.906759] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.911996] ? is_bpf_text_address+0xd7/0x170 [ 322.916528] should_fail.cold.4+0xa/0x1a [ 322.920626] ? __save_stack_trace+0x7e/0xd0 [ 322.925000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.930256] ? save_stack+0x43/0xd0 [ 322.933911] ? kasan_kmalloc+0xc4/0xe0 [ 322.937833] ? kasan_slab_alloc+0x12/0x20 [ 322.942013] ? find_held_lock+0x36/0x1c0 [ 322.946140] ? check_same_owner+0x320/0x320 [ 322.950500] ? rcu_note_context_switch+0x710/0x710 [ 322.955474] __should_failslab+0x124/0x180 [ 322.959747] should_failslab+0x9/0x14 [ 322.963585] kmem_cache_alloc_node_trace+0x26f/0x770 [ 322.968738] __kmalloc_node_track_caller+0x33/0x70 [ 322.973713] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 322.978513] __alloc_skb+0x14d/0x780 [ 322.982352] ? skb_scrub_packet+0x580/0x580 [ 322.986708] ? rcu_is_watching+0x85/0x140 [ 322.992557] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 322.998045] ? zap_class+0x720/0x720 [ 323.001806] ? graph_lock+0x170/0x170 [ 323.005630] ? lock_acquire+0x1dc/0x520 [ 323.009634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.015201] ? netlink_autobind.isra.34+0x240/0x330 [ 323.020296] netlink_sendmsg+0xb01/0xfa0 [ 323.024402] ? netlink_unicast+0x740/0x740 [ 323.028872] ? security_socket_sendmsg+0x94/0xc0 [ 323.033653] ? netlink_unicast+0x740/0x740 [ 323.038013] sock_sendmsg+0xd5/0x120 [ 323.041767] sock_write_iter+0x35a/0x5a0 [ 323.045865] ? sock_sendmsg+0x120/0x120 [ 323.049899] do_iter_readv_writev+0x859/0xa50 [ 323.054437] ? vfs_dedupe_file_range+0xa00/0xa00 [ 323.059281] ? rw_verify_area+0x118/0x360 [ 323.063458] do_iter_write+0x185/0x5f0 [ 323.067373] ? iov_iter_get_pages+0x11e0/0x11e0 [ 323.072069] ? find_held_lock+0x36/0x1c0 [ 323.076159] compat_writev+0x206/0x3f0 [ 323.080073] ? do_pwritev+0x270/0x270 [ 323.083895] ? wait_for_completion+0x870/0x870 [ 323.088517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.094069] ? __fdget_pos+0xd6/0x1e0 [ 323.097881] ? __fdget_raw+0x20/0x20 [ 323.101613] ? __sb_end_write+0xac/0xe0 [ 323.105603] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.111154] do_compat_writev+0x113/0x240 [ 323.115317] ? compat_writev+0x3f0/0x3f0 [ 323.119396] ? mm_fault_error+0x380/0x380 [ 323.123655] __ia32_compat_sys_writev+0x74/0xb0 [ 323.128343] do_fast_syscall_32+0x345/0xf9b [ 323.132704] ? do_int80_syscall_32+0x880/0x880 [ 323.137387] ? _raw_spin_unlock_irq+0x27/0x70 [ 323.141918] ? finish_task_switch+0x1ca/0x840 [ 323.146443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.152016] ? syscall_return_slowpath+0x30f/0x5c0 [ 323.156981] ? sysret32_from_system_call+0x5/0x46 [ 323.161847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.166713] entry_SYSENTER_compat+0x70/0x7f [ 323.171139] RIP: 0023:0xf7f78cb9 [ 323.174512] RSP: 002b:00000000f5f740ac EFLAGS: 00000282 ORIG_RAX: 0000000000000092 [ 323.182770] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000200000c0 [ 323.190141] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 323.197432] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:27 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:27 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000200)={'tunl0\x00', &(0x7f0000000080)=@ethtool_channels={0x3d}}) r1 = dup(r0) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000180)={0x0, 0x3}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000240)={0x9, 0xfe, 0x8008, 0x10000, 0xfffffffffffffff8, 0x1, 0x3, 0xad13, r2}, 0x20) getuid() getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffff9c, 0x84, 0x76, &(0x7f0000000000)={0x0, 0x6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000000c0)={r3, 0x200}, &(0x7f0000000100)=0x8) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000000140)={0x101, 0x2}) [ 323.204733] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 323.212019] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 323.239661] device bridge_slave_0 left promiscuous mode [ 323.245238] bridge0: port 1(bridge_slave_0) entered disabled state [ 323.338146] netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. 2018/06/01 10:46:28 executing program 5 (fault-call:2 fault-nth:44): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:28 executing program 4: openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000009c0)="63cab15ddec76280ff5f38c9a35526c1548ee5e5d8dc2f4ed35c38323e2e39ca2800b77f6e16ab2785d707d58cc2dcbf74811b6345e178022309eef071cc6bb3e3fe56010058fb56916fd18ab2f83bcefe5faab8e432772492bb08fa838ea2c9ef2e5b74c0a89330a5c57b0a2b56ac4764ae9093d1584efaf73683cc346f7491aa41de3b08512ab75865267d34ce6e8d1761a581f5e345", 0x97) r1 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000080)="3b3ebb6176e5944313936847cdd0e5c422182aebb5f4db8893df1c723088d276ed4f44b7249c8b08c185f7ab15da9c986ae81001af178c8fdb8b4166b3884fe3294a077bd63fcfbb31acbb8959a2b6e8b619ed9e1aa1d3e77d524ad4256d54727d3630d747edcd3b7d252d68511361b0bd2f42a22878b19c0cab6fdd87d856b71e89f6ec1c4146cbd8c9194fe48d2cd4", 0x90, 0xfffffffffffffffd) keyctl$set_timeout(0xf, r1, 0x8) 2018/06/01 10:46:28 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$HDIO_GETGEO(r1, 0x301, &(0x7f0000000000)) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r2, 0xc00c642d, &(0x7f0000000040)={0x0, 0x80000, r2}) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r3) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:28 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x0, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:28 executing program 0: r0 = socket$packet(0x11, 0x2, 0x300) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000000)="aeb05f50d6f8005be946b49615a338b2", 0x10) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'veth0_to_bridge\x00', 0x0}) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000011000300000000000000003700070000", @ANYRES32=r3, @ANYBLOB="000000000000000008fd190004000000"], 0x28}, 0x1}, 0x0) r5 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x402000, 0x80) ioctl$DRM_IOCTL_AUTH_MAGIC(r5, 0x40046411, &(0x7f00000001c0)=0x4) ioctl$VHOST_SET_LOG_FD(r5, 0x4004af07, &(0x7f0000000200)=r2) 2018/06/01 10:46:28 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x4) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0x5, 0x30000) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f0000000040), 0x4) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) 2018/06/01 10:46:28 executing program 6 (fault-call:1 fault-nth:2): r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:28 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x5000000) [ 324.203588] netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. [ 324.216645] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 324.228243] FAULT_INJECTION: forcing a failure. [ 324.228243] name failslab, interval 1, probability 0, space 0, times 0 [ 324.240661] CPU: 0 PID: 22169 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 324.248056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.257436] Call Trace: [ 324.260070] dump_stack+0x1b9/0x294 [ 324.263739] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.268987] should_fail.cold.4+0xa/0x1a [ 324.273197] ? __kmalloc_track_caller+0x14a/0x760 [ 324.274749] FAULT_INJECTION: forcing a failure. [ 324.274749] name failslab, interval 1, probability 0, space 0, times 0 [ 324.278227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.278252] ? cgroup_mkdir+0x825/0x10d0 [ 324.278282] ? kernfs_iop_mkdir+0x159/0x1e0 [ 324.303146] ? do_mkdirat+0x266/0x2f0 [ 324.306977] ? __ia32_sys_mkdirat+0x74/0xb0 [ 324.311319] ? do_fast_syscall_32+0x345/0xf9b [ 324.315842] ? entry_SYSENTER_compat+0x70/0x7f [ 324.320454] ? graph_lock+0x170/0x170 [ 324.324277] ? find_held_lock+0x36/0x1c0 [ 324.328362] ? print_usage_bug+0xc0/0xc0 [ 324.332447] ? find_held_lock+0x36/0x1c0 [ 324.336536] ? __lock_is_held+0xb5/0x140 [ 324.340647] ? check_same_owner+0x320/0x320 [ 324.344996] ? rcu_note_context_switch+0x710/0x710 [ 324.350071] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.355149] __should_failslab+0x124/0x180 [ 324.359412] should_failslab+0x9/0x14 [ 324.363299] kmem_cache_alloc+0x2af/0x760 [ 324.367467] ? memcpy+0x45/0x50 [ 324.370776] ? kstrdup+0x59/0x70 [ 324.374170] __kernfs_new_node+0xe7/0x580 [ 324.378365] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 324.383141] ? pointer+0xa10/0xa10 [ 324.386707] ? graph_lock+0x170/0x170 [ 324.390522] ? perf_trace_lock+0x495/0x900 [ 324.394781] ? snprintf+0xa5/0xd0 [ 324.398262] ? vsprintf+0x40/0x40 [ 324.401752] kernfs_new_node+0x80/0xf0 [ 324.405667] __kernfs_create_file+0x4d/0x330 [ 324.410108] cgroup_addrm_files+0x437/0xaf0 [ 324.414573] ? cgroup_css.part.14+0x1f0/0x1f0 [ 324.419094] ? find_held_lock+0x36/0x1c0 [ 324.423211] ? __lock_is_held+0xb5/0x140 [ 324.427320] ? kasan_check_write+0x14/0x20 [ 324.431595] ? online_css+0x259/0x330 [ 324.435432] css_populate_dir+0x1a8/0x420 [ 324.439637] cgroup_apply_control_enable+0x43b/0xce0 [ 324.444791] ? cgroup_propagate_control+0x5a0/0x5a0 [ 324.449836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.455572] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 324.460092] ? cgroup_file_name+0x1f0/0x1f0 [ 324.464542] ? css_populate_dir+0x2a2/0x420 [ 324.468930] cgroup_mkdir+0x825/0x10d0 [ 324.472977] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 324.477758] ? map_id_up+0x196/0x3c0 [ 324.481526] ? make_kprojid+0x30/0x30 [ 324.485353] ? set_nlink+0xaf/0x140 [ 324.488997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.494579] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 324.500135] ? kernfs_get_active+0xb2/0x120 [ 324.504476] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 324.509255] kernfs_iop_mkdir+0x159/0x1e0 [ 324.513419] ? getname_flags+0xd0/0x5a0 [ 324.517414] vfs_mkdir+0x42e/0x6b0 [ 324.520982] do_mkdirat+0x266/0x2f0 [ 324.524635] ? __ia32_sys_mknod+0xb0/0xb0 [ 324.528832] ? mm_fault_error+0x380/0x380 [ 324.533009] __ia32_sys_mkdirat+0x74/0xb0 [ 324.537180] do_fast_syscall_32+0x345/0xf9b [ 324.541557] ? do_int80_syscall_32+0x880/0x880 [ 324.546251] ? _raw_spin_unlock_irq+0x27/0x70 [ 324.550787] ? finish_task_switch+0x1ca/0x840 [ 324.555309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.560865] ? syscall_return_slowpath+0x30f/0x5c0 [ 324.565828] ? sysret32_from_system_call+0x5/0x46 [ 324.570709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.575588] entry_SYSENTER_compat+0x70/0x7f [ 324.580012] RIP: 0023:0xf7fa6cb9 [ 324.583398] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 324.592260] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 324.599541] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 324.606915] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 324.614200] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 324.621493] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 324.628815] CPU: 1 PID: 22166 Comm: syz-executor6 Not tainted 4.17.0-rc7+ #103 [ 324.631116] cgroup: cgroup_addrm_files: failed to add usage, err=-12 [ 324.636200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.636207] Call Trace: [ 324.636231] dump_stack+0x1b9/0x294 [ 324.636253] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.636276] ? finish_task_switch+0x1ca/0x840 [ 324.669413] ? finish_task_switch+0x182/0x840 [ 324.673932] should_fail.cold.4+0xa/0x1a [ 324.678030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.683245] ? __schedule+0x809/0x1e30 [ 324.687253] ? __sched_text_start+0x8/0x8 [ 324.692121] ? find_held_lock+0x36/0x1c0 [ 324.696295] ? check_same_owner+0x320/0x320 [ 324.700638] ? rtnl_setlink+0x2df/0x430 [ 324.704749] __should_failslab+0x124/0x180 [ 324.709003] should_failslab+0x9/0x14 [ 324.712829] kmem_cache_alloc_node+0x272/0x780 [ 324.717455] __alloc_skb+0x111/0x780 [ 324.721192] ? skb_scrub_packet+0x580/0x580 [ 324.725529] ? m_show+0x5d0/0x5d0 [ 324.729015] ? rcu_is_watching+0x85/0x140 [ 324.733179] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 324.739016] ? do_setlink+0x4310/0x4310 [ 324.743024] netlink_ack+0x2d7/0xbc0 [ 324.746788] ? netlink_sendmsg+0xfa0/0xfa0 [ 324.751055] netlink_rcv_skb+0x35d/0x440 [ 324.755140] ? rtnetlink_put_metrics+0x690/0x690 [ 324.759919] ? netlink_ack+0xbc0/0xbc0 [ 324.763830] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 324.769091] ? netlink_skb_destructor+0x210/0x210 [ 324.773974] rtnetlink_rcv+0x1c/0x20 [ 324.777890] netlink_unicast+0x58b/0x740 [ 324.783471] ? netlink_attachskb+0x970/0x970 [ 324.783498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.783519] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 324.798506] ? security_netlink_send+0x88/0xb0 [ 324.803114] netlink_sendmsg+0x9f0/0xfa0 [ 324.807201] ? netlink_unicast+0x740/0x740 [ 324.811456] ? security_socket_sendmsg+0x94/0xc0 [ 324.816229] ? netlink_unicast+0x740/0x740 [ 324.820584] sock_sendmsg+0xd5/0x120 [ 324.824311] sock_write_iter+0x35a/0x5a0 [ 324.828386] ? sock_sendmsg+0x120/0x120 [ 324.832399] do_iter_readv_writev+0x859/0xa50 [ 324.836924] ? vfs_dedupe_file_range+0xa00/0xa00 [ 324.841710] ? rw_verify_area+0x118/0x360 [ 324.845884] do_iter_write+0x185/0x5f0 [ 324.849794] ? iov_iter_get_pages+0x11e0/0x11e0 [ 324.854563] ? find_held_lock+0x36/0x1c0 [ 324.858692] compat_writev+0x206/0x3f0 [ 324.862630] ? do_pwritev+0x270/0x270 [ 324.866451] ? wait_for_completion+0x870/0x870 [ 324.871073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.876662] ? __fdget_pos+0xd6/0x1e0 [ 324.880479] ? __fdget_raw+0x20/0x20 [ 324.885660] ? __sb_end_write+0xac/0xe0 [ 324.889661] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.895216] do_compat_writev+0x113/0x240 [ 324.899379] ? compat_writev+0x3f0/0x3f0 [ 324.903457] ? mm_fault_error+0x380/0x380 [ 324.907620] __ia32_compat_sys_writev+0x74/0xb0 [ 324.912306] do_fast_syscall_32+0x345/0xf9b [ 324.916658] ? do_int80_syscall_32+0x880/0x880 [ 324.921255] ? _raw_spin_unlock_irq+0x27/0x70 [ 324.925761] ? finish_task_switch+0x1ca/0x840 [ 324.930289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.935849] ? syscall_return_slowpath+0x30f/0x5c0 [ 324.940801] ? sysret32_from_system_call+0x5/0x46 [ 324.945665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.950530] entry_SYSENTER_compat+0x70/0x7f 2018/06/01 10:46:29 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x9000000) 2018/06/01 10:46:29 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control\x00', 0x2, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x400, 0x0) r2 = socket$unix(0x1, 0x2, 0x0) ioctl$int_out(r0, 0x0, &(0x7f0000000080)) ioctl$sock_kcm_SIOCKCMCLONE(r1, 0x89e2, &(0x7f0000000140)={r2}) getgroups(0x2, &(0x7f0000000040)=[0xffffffffffffffff, 0x0]) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000180)=0xc) r6 = getgid() setresgid(r4, r5, r6) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 324.954956] RIP: 0023:0xf7f78cb9 [ 324.958322] RSP: 002b:00000000f5f740ac EFLAGS: 00000282 ORIG_RAX: 0000000000000092 [ 324.966054] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000200000c0 [ 324.973345] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 324.980629] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 324.987912] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 324.995210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/06/01 10:46:29 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) close(r0) 2018/06/01 10:46:29 executing program 5 (fault-call:2 fault-nth:45): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:29 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:29 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:29 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x2) 2018/06/01 10:46:29 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r0) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) setsockopt$IP_VS_SO_SET_TIMEOUT(r2, 0x0, 0x48a, &(0x7f0000000000)={0xdbc, 0x80000000, 0x100000000}, 0xc) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:29 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x0, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:29 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:30 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x6) 2018/06/01 10:46:30 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000000)=0x0) r3 = syz_open_procfs(r2, &(0x7f0000000040)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) [ 325.626239] netlink: 'syz-executor6': attribute type 10 has an invalid length. [ 325.686209] FAULT_INJECTION: forcing a failure. [ 325.686209] name failslab, interval 1, probability 0, space 0, times 0 [ 325.697743] CPU: 0 PID: 22215 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 325.705146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.714530] Call Trace: [ 325.717153] dump_stack+0x1b9/0x294 [ 325.720841] ? dump_stack_print_info.cold.2+0x52/0x52 [ 325.726170] should_fail.cold.4+0xa/0x1a [ 325.730483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.735646] ? graph_lock+0x170/0x170 [ 325.739482] ? mark_held_locks+0xc9/0x160 [ 325.743669] ? kmem_cache_alloc+0x12e/0x760 [ 325.748282] ? find_held_lock+0x36/0x1c0 [ 325.752403] ? __lock_is_held+0xb5/0x140 [ 325.752457] ? check_same_owner+0x320/0x320 [ 325.752485] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 325.760892] ? rcu_note_context_switch+0x710/0x710 [ 325.760920] __should_failslab+0x124/0x180 [ 325.760954] should_failslab+0x9/0x14 [ 325.770903] __kmalloc_track_caller+0x2c4/0x760 [ 325.770921] ? string+0x21d/0x2c0 [ 325.770956] ? kstrdup_const+0x66/0x80 [ 325.770979] kstrdup+0x39/0x70 [ 325.794198] kstrdup_const+0x66/0x80 [ 325.794228] __kernfs_new_node+0xa8/0x580 [ 325.802173] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 325.807039] ? pointer+0xa10/0xa10 [ 325.810616] ? kasan_check_write+0x14/0x20 [ 325.815254] ? snprintf+0xa5/0xd0 [ 325.818753] ? vsprintf+0x40/0x40 [ 325.822251] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 325.826873] kernfs_new_node+0x80/0xf0 [ 325.830800] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:30 executing program 4: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x2000, 0x0) getsockopt$inet_sctp_SCTP_RESET_STREAMS(0xffffffffffffff9c, 0x84, 0x77, &(0x7f0000000040)={0x0, 0x8, 0x4, [0x4, 0xffffffffffff0001, 0x1ff, 0x4]}, &(0x7f0000000080)=0x10) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f00000000c0)={r1, 0xfffffffffffffffd, 0x7fffffff}, 0x8) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f00000001c0)={r1, 0xa7, "4c3a5617558d0370f5a604abb86b021034b2f043ad3492449fe39463ce72971457ba2fc1625f16e04bd8da090e28b538f969ed683c9b3e0f4b2c65b4ce13186a71cdf7d314bdc29aa503d128fe3143b50a7fccc3b36b0cc0f407cea4da8d4c1d2babd43e59c9c9b26fa075ca618e95ab9f46d7b106c1b17113cde04326ad70b5e4a4ece75524ea00f786b87d783ff7301e954a189ad54458d69809e8c6bf6afa5e58b22d567a30"}, &(0x7f0000000100)=0xaf) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) 2018/06/01 10:46:30 executing program 4: r0 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0xf547a9b2cdcfd0af) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000240)=ANY=[@ANYRES32=0x0, @ANYBLOB="7c0000008513f0de94820cde666b4a49d6e313ebdb7cebb8b996348ef4f6ac43560be1e740b311c1ac63bea99be4a65a0637ac4b1d017c0fd6fb55c1016ba15abc67a78b783391f2e517ab25589bc7a98e64f7849d57a8ae57de439696379e96548a863b1fa85c8ce21239ec750099609c79ba1339dee40b52c56d7a1555edf94d11028c522025b2f78af3"], &(0x7f00000001c0)=0x84) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000200)={r1, 0x1}, 0x8) getsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x480, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) sync_file_range(r2, 0x7, 0x7fff, 0x2) 2018/06/01 10:46:30 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 325.835251] cgroup_addrm_files+0x437/0xaf0 [ 325.839648] ? cgroup_css.part.14+0x1f0/0x1f0 [ 325.844179] ? find_held_lock+0x36/0x1c0 [ 325.848339] ? __lock_is_held+0xb5/0x140 [ 325.852476] ? kasan_check_write+0x14/0x20 [ 325.856748] ? online_css+0x259/0x330 [ 325.860615] css_populate_dir+0x1a8/0x420 [ 325.864810] cgroup_apply_control_enable+0x43b/0xce0 [ 325.869976] ? cgroup_propagate_control+0x5a0/0x5a0 [ 325.875066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.880640] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 325.885174] ? cgroup_file_name+0x1f0/0x1f0 [ 325.889540] ? css_populate_dir+0x2a2/0x420 [ 325.893898] cgroup_mkdir+0x825/0x10d0 [ 325.897844] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 325.902711] ? map_id_up+0x196/0x3c0 [ 325.906457] ? make_kprojid+0x30/0x30 [ 325.910316] ? set_nlink+0xaf/0x140 [ 325.913987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.919571] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 325.925254] ? kernfs_get_active+0xb2/0x120 [ 325.929617] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/06/01 10:46:30 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3c0000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 325.934417] kernfs_iop_mkdir+0x159/0x1e0 [ 325.938601] ? getname_flags+0xd0/0x5a0 [ 325.942632] vfs_mkdir+0x42e/0x6b0 [ 325.946224] do_mkdirat+0x266/0x2f0 [ 325.949890] ? __ia32_sys_mknod+0xb0/0xb0 [ 325.954161] ? mm_fault_error+0x380/0x380 [ 325.958352] __ia32_sys_mkdirat+0x74/0xb0 [ 325.962545] do_fast_syscall_32+0x345/0xf9b [ 325.967007] ? do_int80_syscall_32+0x880/0x880 [ 325.971637] ? finish_task_switch+0x1ca/0x840 [ 325.976436] ? syscall_return_slowpath+0x30f/0x5c0 [ 325.981416] ? sysret32_from_system_call+0x5/0x46 2018/06/01 10:46:30 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) lremovexattr(&(0x7f0000000240)='./file0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="73656375726974792e265d62646576776c616e31776c616e314ff9d6730000001c000000000000000000000000"]) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x8000, 0x400) [ 325.986322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.991254] entry_SYSENTER_compat+0x70/0x7f [ 325.995697] RIP: 0023:0xf7fa6cb9 [ 325.999171] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 326.007014] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 326.014321] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 326.021633] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 326.028932] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 2018/06/01 10:46:30 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x600000000000000) [ 326.036438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 326.044148] cgroup: cgroup_addrm_files: failed to add usage_user, err=-12 2018/06/01 10:46:30 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x0, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:30 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000000)={0x0, 0xb5b4}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000080)={r3, 0x9, 0x4}, 0x8) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000100)=[@in6={0xa, 0x4e24, 0x1, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x3b}, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in6={0xa, 0x4e21, 0x20, @mcast2={0xff, 0x2, [], 0x1}, 0x1}, @in6={0xa, 0x4e22, 0xb46c, @mcast2={0xff, 0x2, [], 0x1}, 0x5}, @in6={0xa, 0x4e21, 0x1, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x1f}, @in6={0xa, 0x4e20, 0x2, @dev={0xfe, 0x80, [], 0xa}, 0x9}, @in6={0xa, 0x4e21, 0x100, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x5}], 0xb8) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:30 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x8000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:30 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="c00e00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:30 executing program 5 (fault-call:2 fault-nth:46): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:30 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:30 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) close(r0) 2018/06/01 10:46:30 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x6000000) [ 326.644916] FAULT_INJECTION: forcing a failure. [ 326.644916] name failslab, interval 1, probability 0, space 0, times 0 [ 326.656429] CPU: 1 PID: 22266 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 326.663827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.673386] Call Trace: [ 326.676012] dump_stack+0x1b9/0x294 [ 326.679689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 326.684942] should_fail.cold.4+0xa/0x1a [ 326.689055] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.694342] ? graph_lock+0x170/0x170 [ 326.698429] ? zap_class+0x720/0x720 [ 326.702173] ? kmem_cache_alloc+0x12e/0x760 [ 326.706707] ? find_held_lock+0x36/0x1c0 [ 326.710820] ? __lock_is_held+0xb5/0x140 [ 326.714940] ? check_same_owner+0x320/0x320 [ 326.719324] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 326.724388] ? rcu_note_context_switch+0x710/0x710 [ 326.729369] __should_failslab+0x124/0x180 [ 326.733631] should_failslab+0x9/0x14 [ 326.733657] __kmalloc_track_caller+0x2c4/0x760 [ 326.742147] ? string+0x21d/0x2c0 [ 326.745646] ? kstrdup_const+0x66/0x80 [ 326.749569] kstrdup+0x39/0x70 [ 326.752791] kstrdup_const+0x66/0x80 [ 326.756541] __kernfs_new_node+0xa8/0x580 [ 326.760821] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 326.765607] ? pointer+0xa10/0xa10 [ 326.769291] ? kasan_check_write+0x14/0x20 [ 326.773570] ? snprintf+0xa5/0xd0 [ 326.777162] ? vsprintf+0x40/0x40 [ 326.780646] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 326.785179] kernfs_new_node+0x80/0xf0 [ 326.789102] __kernfs_create_file+0x4d/0x330 [ 326.793544] cgroup_addrm_files+0x437/0xaf0 [ 326.798019] ? cgroup_css.part.14+0x1f0/0x1f0 [ 326.802679] ? find_held_lock+0x36/0x1c0 [ 326.806883] ? __lock_is_held+0xb5/0x140 [ 326.810986] ? kasan_check_write+0x14/0x20 [ 326.815267] ? online_css+0x259/0x330 [ 326.819102] css_populate_dir+0x1a8/0x420 [ 326.823388] cgroup_apply_control_enable+0x43b/0xce0 [ 326.828534] ? cgroup_propagate_control+0x5a0/0x5a0 [ 326.833585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.839174] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 326.843694] ? cgroup_file_name+0x1f0/0x1f0 [ 326.843739] ? css_populate_dir+0x2a2/0x420 [ 326.843770] cgroup_mkdir+0x825/0x10d0 [ 326.843805] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 326.843827] ? map_id_up+0x196/0x3c0 [ 326.852711] ? make_kprojid+0x30/0x30 [ 326.852744] ? set_nlink+0xaf/0x140 [ 326.861398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.861423] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 326.861442] ? kernfs_get_active+0xb2/0x120 [ 326.861462] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 326.885272] kernfs_iop_mkdir+0x159/0x1e0 [ 326.885295] ? getname_flags+0xd0/0x5a0 [ 326.902618] vfs_mkdir+0x42e/0x6b0 [ 326.906193] do_mkdirat+0x266/0x2f0 [ 326.909859] ? __ia32_sys_mknod+0xb0/0xb0 [ 326.914044] ? mm_fault_error+0x380/0x380 [ 326.918228] __ia32_sys_mkdirat+0x74/0xb0 [ 326.922538] do_fast_syscall_32+0x345/0xf9b [ 326.926982] ? do_int80_syscall_32+0x880/0x880 [ 326.931585] ? _raw_spin_unlock_irq+0x27/0x70 [ 326.936212] ? finish_task_switch+0x1ca/0x840 [ 326.940919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.946487] ? syscall_return_slowpath+0x30f/0x5c0 [ 326.951462] ? sysret32_from_system_call+0x5/0x46 [ 326.956348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.961239] entry_SYSENTER_compat+0x70/0x7f [ 326.965680] RIP: 0023:0xf7fa6cb9 [ 326.969083] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 326.976834] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 326.984137] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 2018/06/01 10:46:31 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x80000001, 0x900) 2018/06/01 10:46:31 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="00f0ff7f1300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:31 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x5000000000000000) 2018/06/01 10:46:31 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:31 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="0f0000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:31 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 326.991437] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 326.998797] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 327.006100] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 327.013897] cgroup: cgroup_addrm_files: failed to add usage_user, err=-12 2018/06/01 10:46:31 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="e03f03001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:31 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) 2018/06/01 10:46:31 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x1000000000000000) 2018/06/01 10:46:31 executing program 4: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x800, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:31 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='cpuset\x00') ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0086426, &(0x7f0000000040)={0x3, &(0x7f0000000000)=[{}, {}, {0x0}]}) ioctl$DRM_IOCTL_SWITCH_CTX(r2, 0x40086424, &(0x7f0000000080)={r3, 0x2}) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) ioctl$TIOCLINUX6(r2, 0x541c, &(0x7f0000000100)={0x6, 0x400}) truncate(&(0x7f0000000140)='./file0\x00', 0xe5e2) 2018/06/01 10:46:31 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:31 executing program 5 (fault-call:2 fault-nth:47): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:31 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) close(r0) [ 327.604974] FAULT_INJECTION: forcing a failure. [ 327.604974] name failslab, interval 1, probability 0, space 0, times 0 [ 327.616720] CPU: 0 PID: 22301 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 327.624119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.624129] Call Trace: [ 327.624159] dump_stack+0x1b9/0x294 [ 327.624197] ? dump_stack_print_info.cold.2+0x52/0x52 [ 327.636253] should_fail.cold.4+0xa/0x1a [ 327.636280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.645103] ? graph_lock+0x170/0x170 [ 327.645122] ? zap_class+0x720/0x720 [ 327.661820] ? kmem_cache_alloc+0x12e/0x760 [ 327.666166] ? find_held_lock+0x36/0x1c0 [ 327.670251] ? __lock_is_held+0xb5/0x140 [ 327.670291] ? check_same_owner+0x320/0x320 [ 327.678675] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 327.683732] ? rcu_note_context_switch+0x710/0x710 [ 327.688692] __should_failslab+0x124/0x180 [ 327.692961] should_failslab+0x9/0x14 [ 327.696788] __kmalloc_track_caller+0x2c4/0x760 [ 327.701482] ? string+0x21d/0x2c0 [ 327.705054] ? kstrdup_const+0x66/0x80 [ 327.708991] kstrdup+0x39/0x70 [ 327.712214] kstrdup_const+0x66/0x80 [ 327.715970] __kernfs_new_node+0xa8/0x580 [ 327.720164] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 327.725023] ? pointer+0xa10/0xa10 [ 327.728605] ? kasan_check_write+0x14/0x20 [ 327.732991] ? snprintf+0xa5/0xd0 [ 327.736473] ? vsprintf+0x40/0x40 [ 327.739961] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 327.744491] kernfs_new_node+0x80/0xf0 [ 327.748417] __kernfs_create_file+0x4d/0x330 [ 327.752884] cgroup_addrm_files+0x437/0xaf0 [ 327.757259] ? cgroup_css.part.14+0x1f0/0x1f0 [ 327.761772] ? find_held_lock+0x36/0x1c0 [ 327.761814] ? __lock_is_held+0xb5/0x140 [ 327.770050] ? kasan_check_write+0x14/0x20 [ 327.774313] ? online_css+0x259/0x330 [ 327.778300] css_populate_dir+0x1a8/0x420 [ 327.782486] cgroup_apply_control_enable+0x43b/0xce0 [ 327.787634] ? cgroup_propagate_control+0x5a0/0x5a0 [ 327.792683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.798259] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 327.802785] ? cgroup_file_name+0x1f0/0x1f0 [ 327.807162] ? css_populate_dir+0x2a2/0x420 [ 327.811524] cgroup_mkdir+0x825/0x10d0 [ 327.815454] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 327.820245] ? map_id_up+0x196/0x3c0 [ 327.824016] ? make_kprojid+0x30/0x30 [ 327.827847] ? set_nlink+0xaf/0x140 [ 327.827872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.837230] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 327.837252] ? kernfs_get_active+0xb2/0x120 [ 327.847429] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 327.852227] kernfs_iop_mkdir+0x159/0x1e0 [ 327.856403] ? getname_flags+0xd0/0x5a0 [ 327.860502] vfs_mkdir+0x42e/0x6b0 [ 327.864068] do_mkdirat+0x266/0x2f0 [ 327.864096] ? __ia32_sys_mknod+0xb0/0xb0 [ 327.871923] ? mm_fault_error+0x380/0x380 [ 327.876121] __ia32_sys_mkdirat+0x74/0xb0 [ 327.880307] do_fast_syscall_32+0x345/0xf9b [ 327.884847] ? do_int80_syscall_32+0x880/0x880 [ 327.889541] ? _raw_spin_unlock_irq+0x27/0x70 [ 327.894242] ? finish_task_switch+0x1ca/0x840 [ 327.898816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/06/01 10:46:32 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x7000000) 2018/06/01 10:46:32 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="effdffff1300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:32 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="399099201300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 327.904472] ? syscall_return_slowpath+0x30f/0x5c0 [ 327.909439] ? sysret32_from_system_call+0x5/0x46 [ 327.914331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.919215] entry_SYSENTER_compat+0x70/0x7f [ 327.923649] RIP: 0023:0xf7fa6cb9 [ 327.927028] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 327.934769] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 327.942064] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 327.949359] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 327.956662] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 327.963963] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 327.971590] cgroup: cgroup_addrm_files: failed to add usage_sys, err=-12 2018/06/01 10:46:32 executing program 4: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000100)='limits\x00') getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f00000001c0), &(0x7f0000000200)=0x4) r2 = syz_open_procfs(0x0, &(0x7f0000000140)='net/sockstat6\x00') perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x4, 0x0, 0x40, 0x40, 0x0, 0x7, 0x1, 0x3, 0x4, 0x800, 0x7fffffff, 0xae, 0x9, 0x2175c32, 0x1cb3, 0x1ff, 0x81, 0x8000, 0x7, 0x6, 0x0, 0x77c2c554, 0xfffffffffffffffa, 0x8, 0x7, 0x3a, 0x1f, 0x0, 0xfffffffffffffffb, 0x7, 0x10000, 0x400, 0x8, 0x7fffffff, 0x0, 0x4, 0x0, 0x10000, 0x5, @perf_config_ext={0x8000000000000000}, 0x20000, 0xf1, 0x7, 0x2, 0x0, 0x7fffffff, 0x9c}, r0, 0xa, r2, 0x3) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000000)={0x7fff, 0xfffffffffffffffb, 0x6e541c26, 0x3, 0x4}, 0x14) 2018/06/01 10:46:32 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r1, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$DRM_IOCTL_AGP_ACQUIRE(r2, 0x6430) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockname$netlink(r2, &(0x7f0000000000), &(0x7f0000000040)=0xc) 2018/06/01 10:46:32 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x7) 2018/06/01 10:46:32 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="100000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:32 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:32 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$ASHMEM_SET_SIZE(r0, 0x40047703, 0x1f) 2018/06/01 10:46:33 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:33 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="0a0000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:33 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x4) 2018/06/01 10:46:33 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0xfffffffeffffffff, 0x100) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000040)={0x0, 0x93, "9625bb98f473793c36c6e4d5013713abcbda0950a52440bd1d48a0df5ecd61ba4b303b2b8090ccc8fb594b915422476291b74555bce38a876deefea929c1b1e9780ab66a1f58a8a90c9663e07831093e3d8bdedcf708f69081d99384faca38454f75c53916b053cdd8faf45546b2b379e632c29eca65f2fe60da183ff580a9c131e63d0784a4d9874291c12525aaefef2ff1de"}, &(0x7f0000000100)=0x9b) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f0000000140)={r2, 0x10001}, &(0x7f00000001c0)=0x8) 2018/06/01 10:46:33 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) close(r0) 2018/06/01 10:46:33 executing program 5 (fault-call:2 fault-nth:48): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:33 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) 2018/06/01 10:46:33 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getpeername(r2, &(0x7f0000000040)=@rc, &(0x7f0000000100)=0x80) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) listen$netrom(r3, 0xfffffffffffffff7) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) [ 328.767417] FAULT_INJECTION: forcing a failure. [ 328.767417] name failslab, interval 1, probability 0, space 0, times 0 [ 328.778881] CPU: 1 PID: 22355 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 328.786252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.786261] Call Trace: [ 328.786293] dump_stack+0x1b9/0x294 [ 328.786323] ? dump_stack_print_info.cold.2+0x52/0x52 [ 328.807416] should_fail.cold.4+0xa/0x1a [ 328.811508] ? __kmalloc_track_caller+0x14a/0x760 [ 328.816378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.821507] ? cgroup_mkdir+0x825/0x10d0 [ 328.825594] ? kernfs_iop_mkdir+0x159/0x1e0 [ 328.829939] ? do_mkdirat+0x266/0x2f0 [ 328.833764] ? __ia32_sys_mkdirat+0x74/0xb0 [ 328.838132] ? do_fast_syscall_32+0x345/0xf9b [ 328.842654] ? entry_SYSENTER_compat+0x70/0x7f [ 328.847264] ? graph_lock+0x170/0x170 [ 328.851129] ? find_held_lock+0x36/0x1c0 [ 328.855214] ? print_usage_bug+0xc0/0xc0 [ 328.859304] ? find_held_lock+0x36/0x1c0 [ 328.863404] ? __lock_is_held+0xb5/0x140 [ 328.867523] ? check_same_owner+0x320/0x320 [ 328.871873] ? rcu_note_context_switch+0x710/0x710 [ 328.877442] ? rcu_read_lock_sched_held+0x108/0x120 [ 328.884362] __should_failslab+0x124/0x180 [ 328.888639] should_failslab+0x9/0x14 [ 328.892463] kmem_cache_alloc+0x2af/0x760 [ 328.896645] ? memcpy+0x45/0x50 [ 328.899965] ? kstrdup+0x59/0x70 [ 328.903376] __kernfs_new_node+0xe7/0x580 [ 328.907559] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 328.912374] ? pointer+0xa10/0xa10 [ 328.916073] ? kasan_check_write+0x14/0x20 [ 328.920433] ? snprintf+0xa5/0xd0 [ 328.924027] ? vsprintf+0x40/0x40 [ 328.927510] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 328.932039] kernfs_new_node+0x80/0xf0 [ 328.935975] __kernfs_create_file+0x4d/0x330 [ 328.940448] cgroup_addrm_files+0x437/0xaf0 [ 328.944815] ? cgroup_css.part.14+0x1f0/0x1f0 [ 328.949421] ? find_held_lock+0x36/0x1c0 [ 328.953536] ? __lock_is_held+0xb5/0x140 [ 328.957737] ? kasan_check_write+0x14/0x20 [ 328.962002] ? online_css+0x259/0x330 2018/06/01 10:46:33 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:33 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="c00000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 328.966065] css_populate_dir+0x1a8/0x420 [ 328.970256] cgroup_apply_control_enable+0x43b/0xce0 [ 328.975497] ? cgroup_propagate_control+0x5a0/0x5a0 [ 328.980556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.986132] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 328.990662] ? cgroup_file_name+0x1f0/0x1f0 [ 328.995047] ? css_populate_dir+0x2a2/0x420 [ 328.999422] cgroup_mkdir+0x825/0x10d0 [ 329.003361] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 329.008142] ? map_id_up+0x196/0x3c0 [ 329.011979] ? make_kprojid+0x30/0x30 [ 329.015813] ? set_nlink+0xaf/0x140 [ 329.019470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.025036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 329.025056] ? kernfs_get_active+0xb2/0x120 [ 329.025077] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 329.039823] kernfs_iop_mkdir+0x159/0x1e0 [ 329.044000] ? getname_flags+0xd0/0x5a0 [ 329.048027] vfs_mkdir+0x42e/0x6b0 [ 329.051601] do_mkdirat+0x266/0x2f0 [ 329.055304] ? __ia32_sys_mknod+0xb0/0xb0 [ 329.059486] ? mm_fault_error+0x380/0x380 [ 329.063678] __ia32_sys_mkdirat+0x74/0xb0 2018/06/01 10:46:33 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xb8000) 2018/06/01 10:46:33 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) sendmmsg$alg(0xffffffffffffffff, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 329.067874] do_fast_syscall_32+0x345/0xf9b [ 329.072236] ? do_int80_syscall_32+0x880/0x880 [ 329.076856] ? _raw_spin_unlock_irq+0x27/0x70 [ 329.081386] ? finish_task_switch+0x1ca/0x840 [ 329.086358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.091935] ? syscall_return_slowpath+0x30f/0x5c0 [ 329.096914] ? sysret32_from_system_call+0x5/0x46 [ 329.101887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.106782] entry_SYSENTER_compat+0x70/0x7f [ 329.111209] RIP: 0023:0xf7fa6cb9 [ 329.114598] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 329.122350] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 329.129763] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 329.137408] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 329.144823] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 329.152116] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 329.159772] cgroup: cgroup_addrm_files: failed to add usage_sys, err=-12 2018/06/01 10:46:33 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x1, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) pread64(r0, &(0x7f0000000000)=""/176, 0xb0, 0x0) r1 = syz_open_dev$vcsa(&(0x7f00000001c0)='/dev/vcsa#\x00', 0x10001, 0x0) ioctl$SG_GET_COMMAND_Q(r1, 0x2270, &(0x7f0000000200)) r2 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x200, 0x600) setsockopt$llc_int(r2, 0x10c, 0x6, &(0x7f0000000140)=0x800, 0x4) ioctl$SG_GET_COMMAND_Q(r2, 0x2270, &(0x7f00000002c0)) setsockopt$inet_udp_int(r0, 0x11, 0x67, &(0x7f00000000c0)=0x1, 0x4) mkdirat$cgroup(r2, &(0x7f0000000240)='syz1\x00', 0x1ff) 2018/06/01 10:46:33 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000100)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000000)) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:33 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="520000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:33 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:33 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x10) 2018/06/01 10:46:33 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) flock(r0, 0x10751737238be006) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0xfffffffffffffffd, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) 2018/06/01 10:46:33 executing program 5 (fault-call:2 fault-nth:49): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 329.441824] FAULT_INJECTION: forcing a failure. [ 329.441824] name failslab, interval 1, probability 0, space 0, times 0 [ 329.453613] CPU: 0 PID: 22405 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 329.461006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.470481] Call Trace: [ 329.473110] dump_stack+0x1b9/0x294 [ 329.476772] ? dump_stack_print_info.cold.2+0x52/0x52 [ 329.482022] should_fail.cold.4+0xa/0x1a [ 329.486118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.491265] ? graph_lock+0x170/0x170 [ 329.495087] ? zap_class+0x720/0x720 [ 329.498826] ? kmem_cache_alloc+0x12e/0x760 [ 329.503283] ? find_held_lock+0x36/0x1c0 [ 329.507390] ? __lock_is_held+0xb5/0x140 [ 329.511508] ? check_same_owner+0x320/0x320 [ 329.515880] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 329.520933] ? rcu_note_context_switch+0x710/0x710 [ 329.525913] __should_failslab+0x124/0x180 [ 329.530294] should_failslab+0x9/0x14 [ 329.534132] __kmalloc_track_caller+0x2c4/0x760 [ 329.538838] ? string+0x21d/0x2c0 [ 329.542332] ? kstrdup_const+0x66/0x80 [ 329.546361] kstrdup+0x39/0x70 [ 329.549587] kstrdup_const+0x66/0x80 [ 329.549614] __kernfs_new_node+0xa8/0x580 [ 329.557503] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 329.562292] ? pointer+0xa10/0xa10 [ 329.565875] ? kasan_check_write+0x14/0x20 [ 329.570167] ? snprintf+0xa5/0xd0 [ 329.573725] ? vsprintf+0x40/0x40 [ 329.577206] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 329.581743] kernfs_new_node+0x80/0xf0 [ 329.585664] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:33 executing program 4: r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={0xffffffffffffffff, 0x2, 0x1, 0x7, &(0x7f0000000000)=[0x0, 0x0], 0x2}, 0x20) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) lremovexattr(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)=@random={'os2.', '\x00'}) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) [ 329.590115] cgroup_addrm_files+0x437/0xaf0 [ 329.594482] ? cgroup_css.part.14+0x1f0/0x1f0 [ 329.599012] ? find_held_lock+0x36/0x1c0 [ 329.603312] ? __lock_is_held+0xb5/0x140 [ 329.607433] ? kasan_check_write+0x14/0x20 [ 329.611720] ? online_css+0x259/0x330 [ 329.615595] css_populate_dir+0x1a8/0x420 [ 329.619786] cgroup_apply_control_enable+0x43b/0xce0 [ 329.625062] ? cgroup_propagate_control+0x5a0/0x5a0 [ 329.630149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.635728] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 329.640277] ? cgroup_file_name+0x1f0/0x1f0 [ 329.644641] ? css_populate_dir+0x2a2/0x420 [ 329.649001] cgroup_mkdir+0x825/0x10d0 [ 329.652954] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 329.657739] ? map_id_up+0x196/0x3c0 [ 329.661492] ? make_kprojid+0x30/0x30 [ 329.665330] ? set_nlink+0xaf/0x140 [ 329.668995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.674832] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 329.680426] ? kernfs_get_active+0xb2/0x120 [ 329.684771] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 329.689553] kernfs_iop_mkdir+0x159/0x1e0 [ 329.693728] ? getname_flags+0xd0/0x5a0 [ 329.697745] vfs_mkdir+0x42e/0x6b0 [ 329.701322] do_mkdirat+0x266/0x2f0 [ 329.705006] ? __ia32_sys_mknod+0xb0/0xb0 [ 329.709190] ? mm_fault_error+0x380/0x380 [ 329.713362] __ia32_sys_mkdirat+0x74/0xb0 [ 329.717510] do_fast_syscall_32+0x345/0xf9b [ 329.721837] ? do_int80_syscall_32+0x880/0x880 [ 329.726416] ? _raw_spin_unlock_irq+0x27/0x70 [ 329.730907] ? finish_task_switch+0x1ca/0x840 [ 329.735402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.740937] ? syscall_return_slowpath+0x30f/0x5c0 [ 329.745886] ? sysret32_from_system_call+0x5/0x46 [ 329.750756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.755640] entry_SYSENTER_compat+0x70/0x7f [ 329.760057] RIP: 0023:0xf7fa6cb9 [ 329.763417] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 329.771560] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 329.778835] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 329.786121] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:34 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) 2018/06/01 10:46:34 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="effd00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:34 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:34 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x1000000) 2018/06/01 10:46:34 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x200000000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:34 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(0x0, 0x15) [ 329.793417] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 329.800786] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 329.808400] cgroup: cgroup_addrm_files: failed to add usage_percpu, err=-12 2018/06/01 10:46:35 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:35 executing program 5 (fault-call:2 fault-nth:50): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:35 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390400001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:35 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x7, 0x6042) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 2018/06/01 10:46:35 executing program 2: bind$alg(0xffffffffffffffff, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r0 = accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmmsg$alg(r0, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:35 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x50000000) 2018/06/01 10:46:35 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x0) 2018/06/01 10:46:35 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) [ 330.935169] FAULT_INJECTION: forcing a failure. [ 330.935169] name failslab, interval 1, probability 0, space 0, times 0 [ 330.946819] CPU: 1 PID: 22455 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 330.954210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.963591] Call Trace: [ 330.966218] dump_stack+0x1b9/0x294 [ 330.969902] ? dump_stack_print_info.cold.2+0x52/0x52 [ 330.975252] should_fail.cold.4+0xa/0x1a [ 330.979362] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/06/01 10:46:35 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3900f0001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 330.984521] ? graph_lock+0x170/0x170 [ 330.988547] ? zap_class+0x720/0x720 [ 330.992298] ? kmem_cache_alloc+0x12e/0x760 [ 330.996675] ? find_held_lock+0x36/0x1c0 [ 331.000784] ? __lock_is_held+0xb5/0x140 [ 331.004917] ? check_same_owner+0x320/0x320 [ 331.009304] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 331.014354] ? rcu_note_context_switch+0x710/0x710 [ 331.019408] __should_failslab+0x124/0x180 [ 331.023688] should_failslab+0x9/0x14 [ 331.027531] __kmalloc_track_caller+0x2c4/0x760 [ 331.032932] ? string+0x21d/0x2c0 [ 331.036437] ? kstrdup_const+0x66/0x80 [ 331.041057] kstrdup+0x39/0x70 [ 331.044302] kstrdup_const+0x66/0x80 [ 331.048072] __kernfs_new_node+0xa8/0x580 [ 331.052271] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 331.057158] ? pointer+0xa10/0xa10 [ 331.060765] ? kasan_check_write+0x14/0x20 [ 331.065052] ? snprintf+0xa5/0xd0 [ 331.068655] ? vsprintf+0x40/0x40 [ 331.072138] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 331.076791] kernfs_new_node+0x80/0xf0 [ 331.080732] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:35 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390f00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 331.085208] cgroup_addrm_files+0x437/0xaf0 [ 331.089692] ? cgroup_css.part.14+0x1f0/0x1f0 [ 331.094254] ? find_held_lock+0x36/0x1c0 [ 331.098477] ? __lock_is_held+0xb5/0x140 [ 331.102590] ? kasan_check_write+0x14/0x20 [ 331.106855] ? online_css+0x259/0x330 [ 331.110699] css_populate_dir+0x1a8/0x420 [ 331.114889] cgroup_apply_control_enable+0x43b/0xce0 [ 331.114926] ? cgroup_propagate_control+0x5a0/0x5a0 [ 331.114960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.130657] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 331.135183] ? cgroup_file_name+0x1f0/0x1f0 [ 331.139546] ? css_populate_dir+0x2a2/0x420 [ 331.143905] cgroup_mkdir+0x825/0x10d0 [ 331.147845] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 331.152629] ? map_id_up+0x196/0x3c0 [ 331.156379] ? make_kprojid+0x30/0x30 [ 331.160210] ? set_nlink+0xaf/0x140 [ 331.163873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.169451] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 331.175027] ? kernfs_get_active+0xb2/0x120 [ 331.179402] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 331.184189] kernfs_iop_mkdir+0x159/0x1e0 [ 331.188427] ? getname_flags+0xd0/0x5a0 [ 331.192434] vfs_mkdir+0x42e/0x6b0 [ 331.196006] do_mkdirat+0x266/0x2f0 [ 331.199669] ? __ia32_sys_mknod+0xb0/0xb0 [ 331.203968] ? mm_fault_error+0x380/0x380 [ 331.208160] __ia32_sys_mkdirat+0x74/0xb0 [ 331.212342] do_fast_syscall_32+0x345/0xf9b [ 331.216705] ? do_int80_syscall_32+0x880/0x880 [ 331.221489] ? _raw_spin_unlock_irq+0x27/0x70 [ 331.226095] ? finish_task_switch+0x1ca/0x840 [ 331.230628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.236198] ? syscall_return_slowpath+0x30f/0x5c0 [ 331.241171] ? sysret32_from_system_call+0x5/0x46 [ 331.246080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.250974] entry_SYSENTER_compat+0x70/0x7f [ 331.255410] RIP: 0023:0xf7fa6cb9 [ 331.259065] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 331.266899] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 331.274199] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 331.281495] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 331.288809] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 331.296124] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 331.303709] cgroup: cgroup_addrm_files: failed to add usage_percpu_user, err=-12 2018/06/01 10:46:36 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x0, 0x0) ioctl$sock_inet_SIOCSIFBRDADDR(r1, 0x891a, &(0x7f0000000040)={'veth0_to_bridge\x00', {0x2, 0x4e21}}) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:36 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x900) 2018/06/01 10:46:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:36 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000006300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:36 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r2, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r2, 0x4c00, r0) 2018/06/01 10:46:36 executing program 5 (fault-call:2 fault-nth:51): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:36 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x0) 2018/06/01 10:46:36 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000040)={&(0x7f0000012000/0x4000)=nil, 0xf0, 0x1, 0xfaf1d59e7b412693, &(0x7f0000013000/0x3000)=nil, 0x2}) [ 332.167012] FAULT_INJECTION: forcing a failure. [ 332.167012] name failslab, interval 1, probability 0, space 0, times 0 [ 332.178605] CPU: 1 PID: 22483 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 332.186080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.186088] Call Trace: [ 332.186120] dump_stack+0x1b9/0x294 [ 332.186152] ? dump_stack_print_info.cold.2+0x52/0x52 [ 332.186200] should_fail.cold.4+0xa/0x1a [ 332.211240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.216464] ? graph_lock+0x170/0x170 [ 332.216482] ? zap_class+0x720/0x720 [ 332.216504] ? kmem_cache_alloc+0x12e/0x760 [ 332.228645] ? find_held_lock+0x36/0x1c0 [ 332.232804] ? __lock_is_held+0xb5/0x140 [ 332.236914] ? check_same_owner+0x320/0x320 [ 332.241274] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 332.246322] ? rcu_note_context_switch+0x710/0x710 [ 332.251286] __should_failslab+0x124/0x180 [ 332.255555] should_failslab+0x9/0x14 [ 332.259388] __kmalloc_track_caller+0x2c4/0x760 [ 332.264093] ? string+0x21d/0x2c0 2018/06/01 10:46:36 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="396800001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:36 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="e00000006a2dea07b30d13aca82f8b79314fe4e203f941e6d6f047b338db86fb84b4296a29f661c2846465206eb79a80c3952ae8041d0ebf341c90ec2ed101250e499aa108108293e2419a3805c061", @ANYRES16=r2, @ANYBLOB="00022bbd7000fedbdf250b0000003c0003000800030004000000140002006263736630000000000000000000000008000100020000001400060000000000000000000000ffff7f00000108000500040000003400010008000600776c6300080004004e24000008000800fd29000008000600666f0000080009002b000000080004004e23000014000300080007004e210000080007004e2000002c000200080004000800000008000500feffffff08000b000a0000000800030003000000080002004e21000008000400010100000c0001000800090001000000"], 0xe0}, 0x1, 0x0, 0x0, 0x4008000}, 0x40000) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 332.267578] ? kstrdup_const+0x66/0x80 [ 332.271501] kstrdup+0x39/0x70 [ 332.274732] kstrdup_const+0x66/0x80 [ 332.278471] __kernfs_new_node+0xa8/0x580 [ 332.282652] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 332.287433] ? pointer+0xa10/0xa10 [ 332.291009] ? kasan_check_write+0x14/0x20 [ 332.295282] ? snprintf+0xa5/0xd0 [ 332.298768] ? vsprintf+0x40/0x40 [ 332.302254] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 332.306806] kernfs_new_node+0x80/0xf0 [ 332.310735] __kernfs_create_file+0x4d/0x330 [ 332.315203] cgroup_addrm_files+0x437/0xaf0 [ 332.319574] ? cgroup_css.part.14+0x1f0/0x1f0 [ 332.324101] ? find_held_lock+0x36/0x1c0 [ 332.328326] ? __lock_is_held+0xb5/0x140 [ 332.332436] ? kasan_check_write+0x14/0x20 [ 332.336694] ? online_css+0x259/0x330 [ 332.340534] css_populate_dir+0x1a8/0x420 [ 332.344715] cgroup_apply_control_enable+0x43b/0xce0 [ 332.349860] ? cgroup_propagate_control+0x5a0/0x5a0 [ 332.354899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.360468] ? cgroup_kn_set_ugid+0x2cb/0x370 2018/06/01 10:46:36 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39f206001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 332.364995] ? cgroup_file_name+0x1f0/0x1f0 [ 332.369363] ? css_populate_dir+0x2a2/0x420 [ 332.373729] cgroup_mkdir+0x825/0x10d0 [ 332.377666] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 332.382435] ? map_id_up+0x196/0x3c0 [ 332.386186] ? make_kprojid+0x30/0x30 [ 332.390453] ? set_nlink+0xaf/0x140 [ 332.394121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.399690] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 332.399710] ? kernfs_get_active+0xb2/0x120 [ 332.399738] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 332.414560] kernfs_iop_mkdir+0x159/0x1e0 [ 332.418739] ? getname_flags+0xd0/0x5a0 [ 332.422749] vfs_mkdir+0x42e/0x6b0 [ 332.426331] do_mkdirat+0x266/0x2f0 [ 332.429998] ? __ia32_sys_mknod+0xb0/0xb0 [ 332.434184] ? mm_fault_error+0x380/0x380 [ 332.438376] __ia32_sys_mkdirat+0x74/0xb0 [ 332.442555] do_fast_syscall_32+0x345/0xf9b [ 332.446918] ? do_int80_syscall_32+0x880/0x880 [ 332.451535] ? _raw_spin_unlock_irq+0x27/0x70 [ 332.456054] ? finish_task_switch+0x1ca/0x840 [ 332.460587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.466159] ? syscall_return_slowpath+0x30f/0x5c0 [ 332.471130] ? sysret32_from_system_call+0x5/0x46 [ 332.476011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 332.480893] entry_SYSENTER_compat+0x70/0x7f [ 332.485323] RIP: 0023:0xf7fa6cb9 [ 332.488774] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 332.496521] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 332.503809] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 332.511277] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 332.518564] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 332.525856] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 332.533492] cgroup: cgroup_addrm_files: failed to add usage_percpu_user, err=-12 2018/06/01 10:46:37 executing program 4: openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x0, 0x0) 2018/06/01 10:46:37 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x5) 2018/06/01 10:46:37 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390700001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:37 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$BLKPG(r0, 0x1269, &(0x7f0000000180)={0xb65c, 0x9, 0x64, &(0x7f0000000100)="f47664007f9307f9dca535e7c20b239f7737e884c9cf11e3b2dfbb05f62b9713d096b4c1e54ca44f3be9bbe642981f66e646fcb7232e7c6d14a615f588a0541cf0be84f5a2c3ffaddab9547de94b6f65acb3d439c9471196cdf589dda08d9173436d5e56"}) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) getpeername$netrom(r2, &(0x7f0000000000), &(0x7f0000000040)=0x10) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x2000, 0x0) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:37 executing program 5 (fault-call:2 fault-nth:52): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:37 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x0) 2018/06/01 10:46:37 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x100, 0x101000) close(r0) [ 333.509309] FAULT_INJECTION: forcing a failure. [ 333.509309] name failslab, interval 1, probability 0, space 0, times 0 [ 333.520647] CPU: 1 PID: 22525 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 333.528046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.528056] Call Trace: [ 333.528096] dump_stack+0x1b9/0x294 [ 333.543783] ? dump_stack_print_info.cold.2+0x52/0x52 [ 333.549174] should_fail.cold.4+0xa/0x1a [ 333.553266] ? __kmalloc_track_caller+0x14a/0x760 [ 333.558290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.563436] ? cgroup_mkdir+0x825/0x10d0 [ 333.568219] ? kernfs_iop_mkdir+0x159/0x1e0 [ 333.572656] ? do_mkdirat+0x266/0x2f0 [ 333.576485] ? __ia32_sys_mkdirat+0x74/0xb0 [ 333.580916] ? do_fast_syscall_32+0x345/0xf9b [ 333.585608] ? entry_SYSENTER_compat+0x70/0x7f [ 333.590220] ? graph_lock+0x170/0x170 [ 333.594044] ? find_held_lock+0x36/0x1c0 [ 333.598147] ? print_usage_bug+0xc0/0xc0 [ 333.602243] ? find_held_lock+0x36/0x1c0 [ 333.606344] ? __lock_is_held+0xb5/0x140 [ 333.610464] ? check_same_owner+0x320/0x320 [ 333.614813] ? rcu_note_context_switch+0x710/0x710 [ 333.619835] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.625080] __should_failslab+0x124/0x180 [ 333.629356] should_failslab+0x9/0x14 [ 333.633191] kmem_cache_alloc+0x2af/0x760 [ 333.637381] ? memcpy+0x45/0x50 [ 333.640697] ? kstrdup+0x59/0x70 [ 333.644132] __kernfs_new_node+0xe7/0x580 [ 333.648311] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 333.653086] ? pointer+0xa10/0xa10 [ 333.656676] ? kasan_check_write+0x14/0x20 [ 333.660968] ? snprintf+0xa5/0xd0 [ 333.664458] ? vsprintf+0x40/0x40 [ 333.667968] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 333.672510] kernfs_new_node+0x80/0xf0 [ 333.676455] __kernfs_create_file+0x4d/0x330 [ 333.680918] cgroup_addrm_files+0x437/0xaf0 [ 333.685305] ? cgroup_css.part.14+0x1f0/0x1f0 [ 333.689829] ? find_held_lock+0x36/0x1c0 [ 333.693936] ? __lock_is_held+0xb5/0x140 [ 333.698073] ? kasan_check_write+0x14/0x20 [ 333.702340] ? online_css+0x259/0x330 [ 333.706182] css_populate_dir+0x1a8/0x420 [ 333.710369] cgroup_apply_control_enable+0x43b/0xce0 [ 333.715518] ? cgroup_propagate_control+0x5a0/0x5a0 [ 333.720575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.726227] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 333.726248] ? cgroup_file_name+0x1f0/0x1f0 [ 333.726280] ? css_populate_dir+0x2a2/0x420 [ 333.739789] cgroup_mkdir+0x825/0x10d0 [ 333.743730] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 333.748521] ? map_id_up+0x196/0x3c0 [ 333.752367] ? make_kprojid+0x30/0x30 [ 333.756249] ? set_nlink+0xaf/0x140 [ 333.760082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.765663] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 333.771513] ? kernfs_get_active+0xb2/0x120 [ 333.775865] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 333.780799] kernfs_iop_mkdir+0x159/0x1e0 [ 333.784995] ? getname_flags+0xd0/0x5a0 [ 333.789004] vfs_mkdir+0x42e/0x6b0 [ 333.792580] do_mkdirat+0x266/0x2f0 [ 333.796243] ? __ia32_sys_mknod+0xb0/0xb0 [ 333.800429] ? mm_fault_error+0x380/0x380 [ 333.804627] __ia32_sys_mkdirat+0x74/0xb0 [ 333.808821] do_fast_syscall_32+0x345/0xf9b [ 333.813356] ? do_int80_syscall_32+0x880/0x880 [ 333.817987] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 333.822888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.828544] ? syscall_return_slowpath+0x30f/0x5c0 [ 333.833540] ? sysret32_from_system_call+0x5/0x46 [ 333.838451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.843343] entry_SYSENTER_compat+0x70/0x7f [ 333.847782] RIP: 0023:0xf7fa6cb9 [ 333.851163] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:37 executing program 4: socket$inet_icmp(0x2, 0x2, 0x1) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x2080, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = dup(r0) getsockopt$inet_dccp_int(r1, 0x21, 0x1b, &(0x7f0000000040), &(0x7f0000000080)=0x4) sync_file_range(r0, 0x5, 0x0, 0x2) ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x2e) 2018/06/01 10:46:37 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000), 0x0) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:37 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39000f001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:38 executing program 4: openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x9, 0x208000) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e22, 0x8, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x18}}, 0x3ff}}, 0x1, 0x3, 0x2, 0x3, 0x42}, &(0x7f0000000100)=0x98) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000140)={r1, 0x5}, &(0x7f00000001c0)=0x8) 2018/06/01 10:46:38 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x3) 2018/06/01 10:46:38 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3906f2001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319f", 0x8) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 333.858910] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 333.866217] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 333.873527] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 333.880940] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 333.888254] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 333.895905] cgroup: cgroup_addrm_files: failed to add usage_percpu_user, err=-12 2018/06/01 10:46:38 executing program 4: openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) 2018/06/01 10:46:38 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390a00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:38 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x7, 0x0) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r1) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) setsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000040)="4f5bc63e63c235f968c314f04bb8f2dc73fc85ee02d5905a5986e0baca9d527469083ca2264e24a574f55836517c836a0184ba53428b627d183c49ce2b11698a33e8f4cca6109a9528e7e2c12fffb43d69fd7badcacbf03b04366d3650a6b06d83c110e9cdb855cedbf480fd3617b66faefe0dc7acad31419674cafe0f79", 0x7e) 2018/06/01 10:46:38 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9", 0xc) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:38 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x400000000000000) 2018/06/01 10:46:38 executing program 5 (fault-call:2 fault-nth:53): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:38 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x80, 0x0) getsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f0000000080)=""/115, &(0x7f0000000100)=0x73) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x800, 0x0) write$binfmt_script(r1, &(0x7f0000000140)={'#! ', './file0', [{0x20, '/dev/hwrng\x00'}], 0xa, "80"}, 0x18) 2018/06/01 10:46:38 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="394800001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:38 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) socketpair(0x6, 0x3, 0x2, &(0x7f0000000140)) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0\x00', 0x800, 0x0) r2 = fcntl$getown(r0, 0x9) r3 = syz_open_procfs(r2, &(0x7f00000001c0)='cpuset\x00') r4 = memfd_create(&(0x7f0000000000)='cpuset\x00', 0x3) openat$cgroup_ro(r4, &(0x7f0000000040)='cpuacct.usage_all\x00', 0x0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:38 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) mmap(&(0x7f0000011000/0x4000)=nil, 0x4000, 0x0, 0x32, 0xffffffffffffffff, 0x0) close(r0) 2018/06/01 10:46:38 executing program 1 (fault-call:3 fault-nth:0): r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) [ 334.527483] FAULT_INJECTION: forcing a failure. [ 334.527483] name failslab, interval 1, probability 0, space 0, times 0 [ 334.538884] CPU: 1 PID: 22587 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 334.546279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.555664] Call Trace: [ 334.558288] dump_stack+0x1b9/0x294 [ 334.561961] ? dump_stack_print_info.cold.2+0x52/0x52 [ 334.562004] should_fail.cold.4+0xa/0x1a [ 334.562033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.571468] ? graph_lock+0x170/0x170 [ 334.571485] ? zap_class+0x720/0x720 [ 334.571503] ? kmem_cache_alloc+0x12e/0x760 [ 334.571527] ? find_held_lock+0x36/0x1c0 [ 334.571553] ? __lock_is_held+0xb5/0x140 [ 334.580599] ? check_same_owner+0x320/0x320 [ 334.580622] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 334.580644] ? rcu_note_context_switch+0x710/0x710 [ 334.607054] __should_failslab+0x124/0x180 [ 334.607080] should_failslab+0x9/0x14 [ 334.607102] __kmalloc_track_caller+0x2c4/0x760 [ 334.624771] ? string+0x21d/0x2c0 [ 334.628263] ? kstrdup_const+0x66/0x80 [ 334.632191] kstrdup+0x39/0x70 [ 334.635418] kstrdup_const+0x66/0x80 [ 334.638350] FAULT_INJECTION: forcing a failure. [ 334.638350] name failslab, interval 1, probability 0, space 0, times 0 [ 334.639162] __kernfs_new_node+0xa8/0x580 [ 334.639189] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 334.639207] ? pointer+0xa10/0xa10 [ 334.639235] ? kasan_check_write+0x14/0x20 [ 334.639257] ? snprintf+0xa5/0xd0 [ 334.639273] ? vsprintf+0x40/0x40 [ 334.639290] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 334.639320] kernfs_new_node+0x80/0xf0 [ 334.639346] __kernfs_create_file+0x4d/0x330 [ 334.688218] cgroup_addrm_files+0x437/0xaf0 [ 334.692603] ? cgroup_css.part.14+0x1f0/0x1f0 [ 334.697121] ? find_held_lock+0x36/0x1c0 [ 334.701250] ? __lock_is_held+0xb5/0x140 [ 334.705351] ? kasan_check_write+0x14/0x20 [ 334.709607] ? online_css+0x259/0x330 [ 334.713464] css_populate_dir+0x1a8/0x420 [ 334.717655] cgroup_apply_control_enable+0x43b/0xce0 [ 334.722807] ? cgroup_propagate_control+0x5a0/0x5a0 [ 334.727852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.733413] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 334.737938] ? cgroup_file_name+0x1f0/0x1f0 [ 334.742323] ? css_populate_dir+0x2a2/0x420 [ 334.746686] cgroup_mkdir+0x825/0x10d0 [ 334.750633] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 334.755420] ? map_id_up+0x196/0x3c0 [ 334.759169] ? make_kprojid+0x30/0x30 [ 334.763001] ? set_nlink+0xaf/0x140 [ 334.766753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.772418] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 334.777997] ? kernfs_get_active+0xb2/0x120 [ 334.782377] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 334.787182] kernfs_iop_mkdir+0x159/0x1e0 [ 334.791445] ? getname_flags+0xd0/0x5a0 [ 334.795447] vfs_mkdir+0x42e/0x6b0 [ 334.799026] do_mkdirat+0x266/0x2f0 [ 334.802702] ? __ia32_sys_mknod+0xb0/0xb0 [ 334.807238] ? mm_fault_error+0x380/0x380 [ 334.811432] __ia32_sys_mkdirat+0x74/0xb0 [ 334.815606] do_fast_syscall_32+0x345/0xf9b [ 334.819970] ? do_int80_syscall_32+0x880/0x880 [ 334.824575] ? _raw_spin_unlock_irq+0x27/0x70 [ 334.829271] ? finish_task_switch+0x1ca/0x840 [ 334.833801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.839377] ? syscall_return_slowpath+0x30f/0x5c0 [ 334.844342] ? sysret32_from_system_call+0x5/0x46 [ 334.849235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.854148] entry_SYSENTER_compat+0x70/0x7f [ 334.858598] RIP: 0023:0xf7fa6cb9 [ 334.861980] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 334.869729] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 334.877041] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 334.885517] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 334.892820] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 334.900198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 334.907531] CPU: 0 PID: 22591 Comm: syz-executor1 Not tainted 4.17.0-rc7+ #103 [ 334.907909] cgroup: cgroup_addrm_files: failed to add usage_percpu_sys, err=-12 [ 334.914920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.914927] Call Trace: [ 334.914962] dump_stack+0x1b9/0x294 [ 334.914983] ? dump_stack_print_info.cold.2+0x52/0x52 [ 334.915007] ? page_add_new_anon_rmap+0x850/0x850 [ 334.948180] should_fail.cold.4+0xa/0x1a [ 334.952280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.957408] ? zap_class+0x720/0x720 [ 334.961155] ? lock_acquire+0x1dc/0x520 [ 334.965159] ? print_usage_bug+0xc0/0xc0 [ 334.969299] ? graph_lock+0x170/0x170 [ 334.973131] ? lock_release+0xa10/0xa10 [ 334.977136] ? reacquire_held_locks+0xbc/0x3e0 [ 334.981799] __should_failslab+0x124/0x180 [ 334.986062] should_failslab+0x9/0x14 [ 334.991009] kmem_cache_alloc+0x47/0x760 [ 334.995091] ? print_usage_bug+0xc0/0xc0 [ 334.999183] dst_alloc+0xbb/0x1d0 [ 335.002670] rt_dst_alloc+0xfa/0x500 [ 335.006404] ? fnhe_flush_routes+0x460/0x460 [ 335.006423] ? __lock_is_held+0xb5/0x140 [ 335.006449] ip_route_output_key_hash_rcu+0xa45/0x3380 [ 335.020312] ? ip_route_input_noref+0x250/0x250 [ 335.025033] ? __lock_acquire+0x7f5/0x5140 [ 335.029317] ? graph_lock+0x170/0x170 [ 335.033139] ? perf_trace_lock+0xd6/0x900 [ 335.037312] ? lock_acquire+0x1dc/0x520 [ 335.041396] ? ip_route_output_key_hash+0x1a3/0x390 [ 335.046441] ? kasan_check_read+0x11/0x20 [ 335.050617] ? rcu_is_watching+0x85/0x140 [ 335.054791] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 335.060184] ip_route_output_key_hash+0x23a/0x390 [ 335.065200] ? ip_route_output_key_hash_rcu+0x3380/0x3380 [ 335.070791] tcp_v4_connect+0x126c/0x1d50 [ 335.074997] ? tcp_v4_parse_md5_keys+0x340/0x340 [ 335.079785] ? print_usage_bug+0xc0/0xc0 [ 335.083884] ? find_held_lock+0x36/0x1c0 [ 335.087987] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 335.093305] __inet_stream_connect+0x943/0x1120 [ 335.098006] ? lock_acquire+0x1dc/0x520 [ 335.102004] ? inet_dgram_connect+0x2e0/0x2e0 [ 335.102025] ? mark_held_locks+0xc9/0x160 [ 335.102046] ? __local_bh_enable_ip+0x161/0x230 [ 335.102065] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 335.102082] ? lock_sock_nested+0x9f/0x120 [ 335.102096] ? trace_hardirqs_on+0xd/0x10 [ 335.102117] ? __local_bh_enable_ip+0x161/0x230 [ 335.110909] ? lock_sock_nested+0xe7/0x120 [ 335.110932] inet_stream_connect+0x58/0xa0 [ 335.110963] __sys_connect+0x37d/0x4c0 [ 335.120667] ? __ia32_sys_accept+0xb0/0xb0 [ 335.120691] ? __sb_end_write+0xac/0xe0 [ 335.120708] ? fput+0x130/0x1a0 [ 335.120723] ? ksys_write+0x1a6/0x250 [ 335.120738] ? __do_page_fault+0x441/0xe40 [ 335.120756] ? __ia32_sys_read+0xb0/0xb0 [ 335.146775] ? mm_fault_error+0x380/0x380 [ 335.146806] __ia32_sys_connect+0x72/0xb0 [ 335.179054] do_fast_syscall_32+0x345/0xf9b [ 335.183406] ? do_int80_syscall_32+0x880/0x880 [ 335.188032] ? _raw_spin_unlock_irq+0x27/0x70 [ 335.192557] ? finish_task_switch+0x1ca/0x840 [ 335.197106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.202686] ? syscall_return_slowpath+0x30f/0x5c0 [ 335.207905] ? sysret32_from_system_call+0x5/0x46 [ 335.212776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.217648] entry_SYSENTER_compat+0x70/0x7f [ 335.222066] RIP: 0023:0xf7fdfcb9 2018/06/01 10:46:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c", 0xe) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="7c845ddd32b3b47876e12ee6fbb2b6fcb2aa1f92a2f971fc959bb86527f3528a4f8c015b75c9b5565f65f51778a57ff89514ce60ed8ef78fb1119b264ed7c4ddda1bae04f124e05f422f9e451b280223faa07028f74e94c42d3dd2fce7dbeea0c3ad97443a62dff11266512b8766a12d10c08a76a375631474d7715d6d312490ba228b5f3569a1a4e6f51f8450aa9c5b0783c7151cb8905c671a264404a57bb446f032ee4abb3463cc760512902c6708427c310d5b5be9bdd63c8b1367538c9f1de9c738dd625f0045e59dd20ffb41cd62c86b8d03894031a29b43627f3bc846d48dbd0496ef673040cb8364b4a7b9b262d9300085d3d1b0f438889cb8e8793a540b4d89e2d7edcb85297e2ddc13d10d7ac3a41b25bcd7f3f8f62eabdaa7cb2343d16822929f220be61a61e1277592c1b407d859edcc4fd60eb6ee153c91ed4a3394e5104c5982382bd0b46cff20963c352bc350216e3b33905ad92bb9369b87c89f24dc67bcc34bf3ad4f79e7a818aa683e3479561ed47ffd7d29c95f784100b0a83dc568df0275e3f96db1e5f70d4d509bbd899e2f1b5d17e002063c720178fc3baebea3317ee8b11b4e6b8047c1bf900fe37b0de37cf049054e1f4eef596d2fa121efb89648fb076417a56d3c6233b85b9ecb3aacdad2ae0bdb17d15d7b6153f1cfbdf4eb322fe351ca0f4b3db1925ef0696dd9a6249619c9312d511728d1c553036c1975e69ab6e3f7ca0e648d4b65edd660cf6be98c9084314a9219d873895d69cc6203941e0bf5dee2dbe7252548dbefa227d1dcb051e5416e4bc310294b114dc3ee3c09e0fb7781f59a54271603276fc67189b7d75f7534995cacca13c09209f504d6e7b115bf40d4de6f324d32e831c7d5d8b858e6ab13776c3a336837699aaa430c7534e4f295a26ede70d7147f092a54606fb3877e1fbb89a9d4e869fea0afad7e8e5e8cb5261e2f3f96fb186d64a50c37f6ab26831736476ee7856d28531eddedd48e579b31d586f01d692dba17c5651baabdd278c285d792cd1d5543bad435db51c0c7ce8f2bc16db982e51b07eb768548994a0995ceb5c7f2f78291dfb4280e0af10d1edbc259b9206a4df7605fc70333bdd742f65f1e9b04aa352d26b3c22f6b2e722d574146d4e73b3cf5eb6c55a23437ba4e575d1da42efab306e086928e011d7cd54af616047573037c11d297bfedfd1883133add138e7c2151b1529e5e553c00dda210ac2db944d665ae2eb2dccae0a7436a1b7ba993761f9b0ac466f8e39f73488d3aecfffce8700fc3877792e383ead208d1335b28a46bfa905684d6999b833beb1fdb20e60a132c4ec21de9b21fb965e0df54cac75e9a3d49cb62d083ea5975fdfedf5f1950c3a2a1a93cb26cd10c8064904dc8f0ce126b8080a567918db63f29a87ce4df1db913cd5803503968a1cad5cc9dc2e5b5be93d9ab1df46df9b49975151576878306660cec97a5ff53f65b3e2ab1b326500c6fe618f5109d011a394d44289ec1353a2c0bb3e05887d21889845ea39bcf368cea1d73b92db6251ae6ad029c0e3fd53ac707e82b487d5aa3f1104d229f6b5ff46af7b180be87ebe5c13228342a85a043a23f31103147fbd5d585264502a1cfdb520f3e319543a93584b5b7d9fefd2847f9bdd3b1c38073defb6cc7a2265b712bccdbc101df3baef810b7d447cba633a79c1d215399049ac7def93abe4f8618f947cc041fa31a296a966cec693913c750ba5d4de4b6b1e750c3a123d26ebe9f054d1b96d4e1141a180cd6fbb35251cc481b59c27bd792afc51dc8e8040b33befe222339e5e2149f947dccd0bc84fdfcf4ac5984eada6c3456ee2731c41acf1d540a24354c349fcdd0b2e574bef7699e2400c0a72e3cb15dc9e9c978069657441a5534f72965a0211d221e52136a8ec6b91ecad19cc837a73339c2705c552ea923322766af2e7b3b31e6d7706cbea316942190aa74af29b65d1319736f0911c0dc398dac87b3667eb5232de344ea309b82e23295d0c09761250acfaccedd73712cc30b8f6a70b17e8b620fa6a5b5b4d8927d7d2e5f603478aed6b2c8817485ea090c4b4bd42f63e4410b4815b668e2fd389451906b1887b99cb224a7d96835fb37607de4c4779935d222cc73572e97630b00dd711aab7aaf9d54f7f5d7d3385be0756a1cdf6489b1682bfea73ccfd292593b6cee9bb665fff8097acaaf1b9e4dbf974d03c19d463d40d753b77e8c0b9d2fc08aa5dab3c52d8310dc8df1a2d7865737cd19aa7e751aff93be9616c97b0d03ae2fdf151dd399d6b697346889f212cd1f2bb76841c78b9e8e77ec210f7c7eb69319405cc02cb55e20cd3c0bed8d5f1b671af10b11b044f0aa574212303e4cede8ed6e040f857f073981d07f1321bd86a055ebc387e5b148d20c6bba0db3ae3834ac36d7e8cb555f9caf31461014a9428a2efdece64b193ae1fee7f30615c98d493e5b7d1b2a38bac6318e175737be4f47d28226aec1bc3e526afda5d7917df5f5332ea844ea77303fea6e99b29fc32fe7c1df50565973bf55283ec07d06dff8fd97bdb5e4fe50906266bdf7c3e7cbd926408c92b5dfd09565f6e404c3e3ee081de432b973859701e2fa25263d2c11ea4b565f86eecddd3a590b8fdf426f20a2b1f948f03d2e3b37c77bc3a14a87793026e815c22abc6717a28653b96585e6be26a31591d5751e7ac5c03c07f12cd189dac86574fc8dfd6843948b34758bb25fdc0e482ebd6f792dba235ed8697559a221e016d3a531a2a1268b943b0dd9dadb5071f1b4fa2f18eb0a4269c1e8b7d7e0609b5c655324fc3b370c1bf0e926a9cbd335a3ac169da82c54556df005c6f1031af5c60ee49adf5be7aa757948f2baa081dda343bd10e6c60dfe39db1948be4100859e9f59c276d93fe68f234e8a3240ac15213f85cf0849721eaab3466810ec43486bed18c93f5cd8771c25d9c01f602bb7aca4196f7c82ba0cd04c39bf1b4f8502a8a953a857bacd565153bda03811c8bc710a019e6b31314ee262189d4f950dcdd9ac79ef9766366fb79274dce1b59c1584cb2729b570916d366f57b2457e0c2a65b3d812b6f5cd7d3fc9128e5c91137fa2183a29110d44d0862e0bfbe3ea2cf6b9c7a3d76e0ceb50392754777808d100f634a63f0759385bf31e2d20a6f90607da337b85cda763f764783d676e6af9a1f71c9108821d087318097d494210e5c440b55d5a8d538496679e2f51b3daf088fad69463a218ddb829899a05785af56da02a286f58b9d378b9478ec881f2ed375c866aae211289712c9f38f8cdbd6fa902078b9e0ae9475912b0c80ff55a2b9ec686175083068d678f745d970f6632aedd5b66d5adcfedb7b2a7deb6b41182b4aaed94cad996a43bf004f380cf1fd3a80dc863745ec15a700f6069f7964c2cca83beabca7ffaccf3667b7940b607f628a839abf7bf1a677671f95346ba62633ee4d8386f1499f0f2a37cf52479a7e8730591e617636a19d4b0c89e2b9e94e375e6f7f6de0f3588aef183afcda79ff0e7c220f00d56a9e08c1559a414decd9d1c99afa999ff93689ffe56a50ff148335e15f3a98e70c5b294a78d9430a81e1f2ef3fe24d7884776e26fd11388f3d5ba065c9f073704c9a472f4376274e1c9cce7219a5a415a62fc3c39a2ff65a8e18e499cafaa67e9581ea56215c5e1c3a0f2125619a534cb5e3fb5491777ba12104ff1adaa21f7ac6bb103e0d76717379044d6f19a6b4c9cbacd2792ccf09cf7b596215404b00aa4197c345f3e8f26c17b34f4e892976cbdd0df042355c87ae4d99597b79b87ea265871e919403b98a0e2bea2cdc1a8277a792637c2aab96f9540650ce83781902ae1ef4146611d2d364264597d0630514995b9fc37c866edc0ab62bd2260e68d4545a440416560908344b574b2ea49a57ee81617fb6c0bea92eaf802d072c25f8fcd10a76811e402a104c7d6774f1dba9cb59538c3b388771ad515d9f596d593e47498b00ac3498c91c5d5b03a02de0e903c2498902157096ee7d1a71b9c2027e9bd5961b5770a6dd0a28285652eb82c85f2cc37aedf5e08f2a86533c8b474328750f4a75478682b94029849c7410dc30f8a24da8c7bdde0722dfee4001a09c3067033876e2094718fe5edf3a7bfb3d11d2e8ba8d398365ce3302537fc7331a156052af2b5eb65bdd40f785b1ecfec0bf1b4c0015d76d74affd3909bfd339756f66830d9dfa1616d8018f510f97d025b27cf1de04639e2ec4d0aea7122e17b8e12a405c95ca1bffc3aec76e57bcd2b658811390bbbbaa61797796d5dae5de208bfe55e87114fb3c64df629dddb08e2d6f97fc0b3235e355ea98978cd675d678125b58a450161de270cfe4afbd0ec75e4c96c238934b991f02c81ac97d02b0f34b871c839f1353636d70b046a56c43629f2378674c44310072612d75831ec8bfc7afe32647867015c004e09f4e9ce79128cb4fc1812efefbea93e151f7f5a5b642602ad6d296d863d531d2e89a252279d2a3cd3edbe997afafdd6437c50a1a8fdff95ba73092da577cd230125053fc69977a2b7a0d9c48d0fdb44a9813668803410c48fc3a5cf3d592316394914a987a674a3037d1fd560a36882fed304b94d385ff2a9281f251ba4d5cf842e8003b852bef9fb524bf65346f9551b3a1f57855d82e61d2132cabe4806b20212145c990cb8e9c10614408c6ca00de3f5d498afb116dfb2c10e674e9ed26ebb6c5cb779bb296eac64ef94491435e1f65f821ad18e1dce88c4a6fd1fc821d00ed4dd1923c5eecbf8c5699c5d28ff7cd979e897c959de877049274dba2add3bebccef06806f7012ae3c27c1f49222d6ff43f7c7dd0a4eb14d8c3a69f95da67ae530bca0824521806463e533da56e0d5a394b85b7fac90f67382cd1da16da262090b31c4d42f4df43c0fec72583a79666dc8671303d6239b7d441bb7a4ff3dd928aa9b3f2c87a5444cfee33a41cd3e1009e108c87ba5d5004cd715563143d48eb9fb46365ba33d89e55e1484e2efb34e2aa2fd6d0ea9067efb58c82341531a8af1196eb7ad7cc5b2c0fcc294373e60fbc2fb8f17b7c0dbd5c90740f72dd9768b7f05d74f27c1551ca80e62cd63888b4853373a871c01cd6279681f95ace08da23fa5bd642391737b56991359c36cbf4aadeaddbfef1d44ae7e1c239ffa07b2784a41d65018ef0f68cd71aa0674c6282737bcb865eb49dc949ce2f6b8b22014cf6ed06f07fc957b17eb3fc2709fd169aae53cf4f2c03d977ed91bbe6c2e905ae26e1ca3758471e4166b37c5dd25c87f7abb3bf8bcc04f2e8059b576edcf5988835b5797e026908b20b48f340b764e3e53f8a805f7a4538952b2756b6a7794ea6d9aac343066a5e1a8ee0b708f502f1a170b099dee345b38f8fdee8bbafbb013b47430e2c406854cbe1fd41d56321c97c40b2781efecbe41557566cc00ed5b559a45d7a517be2c64de52e8dda09a965b755e84bf248786b4fe45c7337d7239580f77d43af2dadbfbc8b5c45e72dca636a8dd5efc43c1a578919c8964d2a2ca1ec15cc24676cba70606b4935db00b9b14956d1ed985012fcec12adbd8f9a54635e4949473322015b789f88c773fcde7020a2ef0ea4095196404dc923ce139c0a1787ec25518b8ae08904442b71c952e00000000000000000000000000000000ed535358796c4508259a8c71c3721feedcacaf99c6f6677a35f6d621d1cad7a5437a0d37513242d98f3b63ead6c61e46ca86ab1c5f7d0cd282b9ff1cc45524c83473a39f3a2b305f943f49a38ed7a6f1d3d2cbd2e215b34c986e714af7f6edc130", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:39 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x200000000000000) 2018/06/01 10:46:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66", 0xf) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:39 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x4000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r1, 0x84, 0x4, &(0x7f0000000040)=0xfffffffffffffffc, 0x4) 2018/06/01 10:46:39 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="397400001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 335.225440] RSP: 002b:00000000f5fdb0ac EFLAGS: 00000282 ORIG_RAX: 000000000000016a [ 335.233180] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000020000300 [ 335.240578] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 [ 335.247963] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 335.247974] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 335.247989] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/06/01 10:46:39 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xf6ffffff) 2018/06/01 10:46:39 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:40 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x1, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:40 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390006001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(0xffffffffffffffff, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:40 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:40 executing program 5 (fault-call:2 fault-nth:54): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:40 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) 2018/06/01 10:46:40 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x9) 2018/06/01 10:46:40 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0xe799, 0x80000000008fffd) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) 2018/06/01 10:46:40 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39007a001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 336.014222] FAULT_INJECTION: forcing a failure. [ 336.014222] name failslab, interval 1, probability 0, space 0, times 0 [ 336.025939] CPU: 1 PID: 22643 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 336.033646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.043087] Call Trace: [ 336.045718] dump_stack+0x1b9/0x294 [ 336.049391] ? dump_stack_print_info.cold.2+0x52/0x52 [ 336.054645] should_fail.cold.4+0xa/0x1a [ 336.058754] ? __kmalloc_track_caller+0x14a/0x760 [ 336.063647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.068795] ? cgroup_mkdir+0x825/0x10d0 [ 336.073683] ? kernfs_iop_mkdir+0x159/0x1e0 [ 336.078076] ? do_mkdirat+0x266/0x2f0 [ 336.081914] ? __ia32_sys_mkdirat+0x74/0xb0 [ 336.086369] ? do_fast_syscall_32+0x345/0xf9b [ 336.090990] ? entry_SYSENTER_compat+0x70/0x7f [ 336.095623] ? graph_lock+0x170/0x170 [ 336.099470] ? find_held_lock+0x36/0x1c0 [ 336.103557] ? print_usage_bug+0xc0/0xc0 [ 336.107659] ? find_held_lock+0x36/0x1c0 2018/06/01 10:46:40 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000000f00096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 336.111773] ? __lock_is_held+0xb5/0x140 [ 336.115894] ? check_same_owner+0x320/0x320 [ 336.120262] ? rcu_note_context_switch+0x710/0x710 [ 336.125225] ? rcu_read_lock_sched_held+0x108/0x120 [ 336.130275] __should_failslab+0x124/0x180 [ 336.134549] should_failslab+0x9/0x14 [ 336.138375] kmem_cache_alloc+0x2af/0x760 [ 336.142554] ? memcpy+0x45/0x50 [ 336.145862] ? kstrdup+0x59/0x70 [ 336.149266] __kernfs_new_node+0xe7/0x580 [ 336.153467] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 336.158345] ? pointer+0xa10/0xa10 2018/06/01 10:46:40 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x800, 0x0) 2018/06/01 10:46:40 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x100000000000000) [ 336.161962] ? kasan_check_write+0x14/0x20 [ 336.166243] ? snprintf+0xa5/0xd0 [ 336.169736] ? vsprintf+0x40/0x40 [ 336.173221] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 336.177811] kernfs_new_node+0x80/0xf0 [ 336.181746] __kernfs_create_file+0x4d/0x330 [ 336.186205] cgroup_addrm_files+0x437/0xaf0 [ 336.191299] ? cgroup_css.part.14+0x1f0/0x1f0 [ 336.195823] ? find_held_lock+0x36/0x1c0 [ 336.199945] ? __lock_is_held+0xb5/0x140 [ 336.204080] ? kasan_check_write+0x14/0x20 [ 336.208342] ? online_css+0x259/0x330 2018/06/01 10:46:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(0xffffffffffffffff, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 336.212182] css_populate_dir+0x1a8/0x420 [ 336.216366] cgroup_apply_control_enable+0x43b/0xce0 [ 336.221516] ? cgroup_propagate_control+0x5a0/0x5a0 [ 336.226658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.232236] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 336.236782] ? cgroup_file_name+0x1f0/0x1f0 [ 336.241321] ? css_populate_dir+0x2a2/0x420 [ 336.245677] cgroup_mkdir+0x825/0x10d0 [ 336.249606] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 336.254393] ? map_id_up+0x196/0x3c0 [ 336.258136] ? make_kprojid+0x30/0x30 [ 336.261982] ? set_nlink+0xaf/0x140 [ 336.265643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.271216] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 336.276808] ? kernfs_get_active+0xb2/0x120 [ 336.281167] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 336.285968] kernfs_iop_mkdir+0x159/0x1e0 [ 336.290141] ? getname_flags+0xd0/0x5a0 [ 336.294242] vfs_mkdir+0x42e/0x6b0 [ 336.297818] do_mkdirat+0x266/0x2f0 [ 336.301578] ? __ia32_sys_mknod+0xb0/0xb0 [ 336.305768] ? mm_fault_error+0x380/0x380 [ 336.309991] __ia32_sys_mkdirat+0x74/0xb0 [ 336.314181] do_fast_syscall_32+0x345/0xf9b [ 336.318542] ? do_int80_syscall_32+0x880/0x880 [ 336.323175] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 336.328056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.333804] ? syscall_return_slowpath+0x30f/0x5c0 [ 336.338773] ? sysret32_from_system_call+0x5/0x46 [ 336.338804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.338836] entry_SYSENTER_compat+0x70/0x7f [ 336.338852] RIP: 0023:0xf7fa6cb9 [ 336.338863] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:40 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="394c00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(0xffffffffffffffff, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1010}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 336.338883] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 336.338894] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 336.338910] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 336.348869] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 336.348881] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 336.349077] cgroup: cgroup_addrm_files: failed to add usage_percpu_sys, err=-12 2018/06/01 10:46:40 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x1, 0x0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000040)={0x3, [0x1, 0x56, 0x2]}, 0xa) 2018/06/01 10:46:40 executing program 5 (fault-call:2 fault-nth:55): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:40 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0), 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 336.581469] FAULT_INJECTION: forcing a failure. [ 336.581469] name failslab, interval 1, probability 0, space 0, times 0 [ 336.592930] CPU: 0 PID: 22677 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 336.600311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.609714] Call Trace: [ 336.612342] dump_stack+0x1b9/0x294 [ 336.616025] ? dump_stack_print_info.cold.2+0x52/0x52 [ 336.621282] should_fail.cold.4+0xa/0x1a [ 336.625385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.630529] ? graph_lock+0x170/0x170 [ 336.634351] ? zap_class+0x720/0x720 [ 336.638090] ? kmem_cache_alloc+0x12e/0x760 [ 336.642442] ? find_held_lock+0x36/0x1c0 [ 336.646538] ? __lock_is_held+0xb5/0x140 [ 336.650654] ? check_same_owner+0x320/0x320 [ 336.655004] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 336.660078] ? rcu_note_context_switch+0x710/0x710 [ 336.665048] __should_failslab+0x124/0x180 [ 336.669349] should_failslab+0x9/0x14 [ 336.673185] __kmalloc_track_caller+0x2c4/0x760 [ 336.677888] ? string+0x21d/0x2c0 [ 336.681377] ? kstrdup_const+0x66/0x80 [ 336.685302] kstrdup+0x39/0x70 [ 336.688532] kstrdup_const+0x66/0x80 [ 336.692304] __kernfs_new_node+0xa8/0x580 [ 336.696515] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 336.701303] ? pointer+0xa10/0xa10 [ 336.704883] ? kasan_check_write+0x14/0x20 [ 336.709152] ? snprintf+0xa5/0xd0 [ 336.712635] ? vsprintf+0x40/0x40 [ 336.716114] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 336.720739] kernfs_new_node+0x80/0xf0 [ 336.724713] __kernfs_create_file+0x4d/0x330 [ 336.729306] cgroup_addrm_files+0x437/0xaf0 [ 336.733693] ? cgroup_css.part.14+0x1f0/0x1f0 [ 336.738216] ? find_held_lock+0x36/0x1c0 [ 336.742333] ? __lock_is_held+0xb5/0x140 [ 336.746522] ? kasan_check_write+0x14/0x20 [ 336.750789] ? online_css+0x259/0x330 [ 336.754637] css_populate_dir+0x1a8/0x420 [ 336.758832] cgroup_apply_control_enable+0x43b/0xce0 [ 336.764006] ? cgroup_propagate_control+0x5a0/0x5a0 [ 336.769062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.774686] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 336.779216] ? cgroup_file_name+0x1f0/0x1f0 [ 336.783663] ? css_populate_dir+0x2a2/0x420 [ 336.788033] cgroup_mkdir+0x825/0x10d0 [ 336.791988] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 336.796779] ? map_id_up+0x196/0x3c0 [ 336.800528] ? make_kprojid+0x30/0x30 [ 336.804358] ? set_nlink+0xaf/0x140 [ 336.808014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.813592] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 336.819447] ? kernfs_get_active+0xb2/0x120 [ 336.823809] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 336.828722] kernfs_iop_mkdir+0x159/0x1e0 [ 336.832910] ? getname_flags+0xd0/0x5a0 [ 336.836933] vfs_mkdir+0x42e/0x6b0 [ 336.840602] do_mkdirat+0x266/0x2f0 [ 336.844293] ? __ia32_sys_mknod+0xb0/0xb0 [ 336.848479] ? mm_fault_error+0x380/0x380 [ 336.852674] __ia32_sys_mkdirat+0x74/0xb0 [ 336.856942] do_fast_syscall_32+0x345/0xf9b [ 336.861301] ? do_int80_syscall_32+0x880/0x880 [ 336.865910] ? kasan_check_write+0x14/0x20 [ 336.865940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.865970] ? syscall_return_slowpath+0x30f/0x5c0 [ 336.880908] ? sysret32_from_system_call+0x5/0x46 [ 336.885805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.890690] entry_SYSENTER_compat+0x70/0x7f [ 336.895129] RIP: 0023:0xf7fa6cb9 [ 336.898512] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 336.906264] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 336.913563] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 336.920864] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 336.928183] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 336.935625] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 336.944827] cgroup: cgroup_addrm_files: failed to add usage_all, err=-12 2018/06/01 10:46:41 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390007001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:41 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') r3 = gettid() syz_open_procfs(r3, &(0x7f0000000000)='net/yf_inet6\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:41 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xffffffff00000000) 2018/06/01 10:46:41 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x2, 0x0) r1 = syz_open_dev$sndmidi(&(0x7f0000000100)='/dev/snd/midiC#D#\x00', 0x7, 0x101400) execveat(r1, &(0x7f0000000140)='./file0\x00', &(0x7f00000002c0)=[&(0x7f00000003c0)='/dev/loop-control\x00', &(0x7f0000000200)='/dev/loop-control\x00', &(0x7f0000000240)='/dev/loop-control\x00', &(0x7f0000000380)="d1681993cce9c74af5ceed9db0c9218ca9b3180c04b60e6b7d467e8755f8ba230ef53b78d66cca23a733331d68c3038bf27f29efab00000000000000"], &(0x7f0000000340)=[&(0x7f0000000300)='syz1'], 0x400) write$binfmt_misc(r0, &(0x7f0000000000)={'syz1', "f35f8791b005e482f6c4c6f61fcf41fe599f81daddea03f8f499d3f12854367b8128e31b1bdec1498267bde19c4d1498bb41330334778c14dd19fb7735da7944fd3e6899945b9f6f2d0a03c6d6a2983b78e02c1af21770d13eef5a287a6bd3a50933d0537a2a000aa54aeac9e62644230916008685fda92eb8731b3365af70656497b63bf651030214e72367b761e27971b3b86bc068b4b4a3ea9b2c664ead295e59d4b950137dbd6b2e15cf91361daaa1ba16712674055c54f192ea0293860dfc8caa5316148d80a8f0ac258f2da40ad7757e2d8fb79c906d99"}, 0xde) tee(r1, r0, 0x200, 0x1) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:41 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) 2018/06/01 10:46:41 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x8, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:41 executing program 5 (fault-call:2 fault-nth:56): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0), 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 337.170712] FAULT_INJECTION: forcing a failure. [ 337.170712] name failslab, interval 1, probability 0, space 0, times 0 [ 337.182131] CPU: 1 PID: 22707 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 337.189818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.199200] Call Trace: [ 337.201826] dump_stack+0x1b9/0x294 [ 337.205497] ? dump_stack_print_info.cold.2+0x52/0x52 [ 337.210745] should_fail.cold.4+0xa/0x1a [ 337.214836] ? __kmalloc_track_caller+0x14a/0x760 [ 337.219775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.224936] ? cgroup_mkdir+0x825/0x10d0 [ 337.229039] ? kernfs_iop_mkdir+0x159/0x1e0 [ 337.233427] ? do_mkdirat+0x266/0x2f0 [ 337.237264] ? __ia32_sys_mkdirat+0x74/0xb0 [ 337.241882] ? do_fast_syscall_32+0x345/0xf9b [ 337.241906] ? entry_SYSENTER_compat+0x70/0x7f [ 337.241932] ? graph_lock+0x170/0x170 [ 337.241954] ? find_held_lock+0x36/0x1c0 [ 337.259064] ? print_usage_bug+0xc0/0xc0 [ 337.263163] ? find_held_lock+0x36/0x1c0 [ 337.267349] ? __lock_is_held+0xb5/0x140 2018/06/01 10:46:41 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39006c001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:41 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) [ 337.271489] ? check_same_owner+0x320/0x320 [ 337.275858] ? rcu_note_context_switch+0x710/0x710 [ 337.280845] ? rcu_read_lock_sched_held+0x108/0x120 [ 337.285909] __should_failslab+0x124/0x180 [ 337.290186] should_failslab+0x9/0x14 [ 337.294035] kmem_cache_alloc+0x2af/0x760 [ 337.298209] ? memcpy+0x45/0x50 [ 337.301545] ? kstrdup+0x59/0x70 [ 337.304944] __kernfs_new_node+0xe7/0x580 [ 337.309151] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 337.314278] ? pointer+0xa10/0xa10 2018/06/01 10:46:41 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x2000000) [ 337.317857] ? kasan_check_write+0x14/0x20 [ 337.322124] ? snprintf+0xa5/0xd0 [ 337.325816] ? vsprintf+0x40/0x40 [ 337.329296] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 337.333827] kernfs_new_node+0x80/0xf0 [ 337.337753] __kernfs_create_file+0x4d/0x330 [ 337.342199] cgroup_addrm_files+0x437/0xaf0 [ 337.346565] ? cgroup_css.part.14+0x1f0/0x1f0 [ 337.351091] ? find_held_lock+0x36/0x1c0 [ 337.355211] ? __lock_is_held+0xb5/0x140 [ 337.359321] ? kasan_check_write+0x14/0x20 [ 337.363582] ? online_css+0x259/0x330 [ 337.367420] css_populate_dir+0x1a8/0x420 [ 337.371648] cgroup_apply_control_enable+0x43b/0xce0 [ 337.376889] ? cgroup_propagate_control+0x5a0/0x5a0 [ 337.381940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.387519] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 337.392039] ? cgroup_file_name+0x1f0/0x1f0 [ 337.396409] ? css_populate_dir+0x2a2/0x420 [ 337.400804] cgroup_mkdir+0x825/0x10d0 [ 337.404773] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 337.409653] ? map_id_up+0x196/0x3c0 [ 337.413407] ? make_kprojid+0x30/0x30 [ 337.417246] ? set_nlink+0xaf/0x140 [ 337.421011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.426589] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 337.432156] ? kernfs_get_active+0xb2/0x120 [ 337.436505] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 337.441307] kernfs_iop_mkdir+0x159/0x1e0 [ 337.445495] ? getname_flags+0xd0/0x5a0 [ 337.449593] vfs_mkdir+0x42e/0x6b0 [ 337.453193] do_mkdirat+0x266/0x2f0 [ 337.457054] ? __ia32_sys_mknod+0xb0/0xb0 [ 337.461325] ? mm_fault_error+0x380/0x380 [ 337.465522] __ia32_sys_mkdirat+0x74/0xb0 [ 337.469789] do_fast_syscall_32+0x345/0xf9b [ 337.474154] ? do_int80_syscall_32+0x880/0x880 [ 337.478771] ? _raw_spin_unlock_irq+0x27/0x70 [ 337.483310] ? finish_task_switch+0x1ca/0x840 [ 337.487866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.493524] ? syscall_return_slowpath+0x30f/0x5c0 [ 337.499018] ? sysret32_from_system_call+0x5/0x46 [ 337.503905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.508909] entry_SYSENTER_compat+0x70/0x7f [ 337.513622] RIP: 0023:0xf7fa6cb9 2018/06/01 10:46:41 executing program 4: r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x6, 0x54000) ioctl$sock_bt_cmtp_CMTPCONNDEL(r0, 0x400443c9, &(0x7f0000000040)={{0x4, 0xbc5, 0xff, 0x5, 0x6, 0x4}, 0xfffffffffffffff7}) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) recvmsg$netrom(r0, &(0x7f00000019c0)={&(0x7f0000000080)=@full={{0x3, {"bc6550fb0b2817"}, 0xfffffffffffffff7}, [{"31e9beaeaeee41"}, {"a5ff7aa96d6964"}, {"b2846df2dc7d76"}, {"1fce1865c37168"}, {"27656615ed9e0f"}, {"f3fcd299348087"}, {"aa0d5b4acfa365"}, {"a316de2c30c0cf"}]}, 0x48, &(0x7f0000001540)=[{&(0x7f00000001c0)="4cfaab5fa58654dd16226a79963561f995166e7ccda333254be1929d6ef53b0b2201d2b5f746ad0783e719fce1d4f046f1fd8922290657ebd5f45007fed6140e3e3f720c5245f1e2803564ec4f8beaf98409ed5c72f6ba595f1da35fb037061a46d8bc23b9087c1f78dde05de133caa424e7e37a216b25c024783ba1b6472b7d524ec7f8845ae6cd2222682e56", 0x8d}, {&(0x7f0000000280)="1433dcf1e44990483c0d7e28abe772411a81eafc3215554686766b8e862b2ded72471abf24b45b3c95666e118920cb5b8eaad2a3d41fd563472ee8d038ea7d3df47761f21568c998fb72856e235a4309c4d8f0da419ef8c7079395ffbceb4378af754de64f897876c3ad78b954a2916d58b67a477f27c9b65bce035900d229c83fed", 0x82}, {&(0x7f0000000100)="0e6447157877a44cc3a7cf96649324f3a112c41555032efa", 0x18}, {&(0x7f0000000340)="4767046b293d89191fa862f8703311df04465e185a171dee13cea2e1a4e1eeb8c8f7a1b7f2587e1009535c60c7b3ec4248460e077945e08ab3bfa627379579cb7a5aae4e7af524e6bd936f9fa2cd8bf9f1aa460563f5cef34bf797a96d957568b0eeafae2b9dd872dac73e1713fabe3fd6dc8fc327b45343047f39d46968880f697ca1f579881197c4fce576782347e4fcadcb21f2e8b02074750e861d5b728e59f9a03ea2d178be43c8cd3b410b070b8d4bb44ea56e8c0da0d4023c", 0xbc}, {&(0x7f0000000140)="2802914b82", 0x5}, {&(0x7f0000000400)="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", 0x1000}, {&(0x7f0000001400)="9bdfb285d89eafca58d2e4c34ef781f5d303ff8120c187210ff6de1d73605bf3097b3cf9b0", 0x25}, {&(0x7f0000001440)="ad7d2055a059d5b341650fed5a248f8d0a8b59a8eda8399597c0516ae898f112cc7cf5448b92e6b8906d1945c777c175b7760f6179e04814f65ff1bbccda4fc97b8a1ecae2f8d48814949e11733bdfc179062170ebaa1765f89309b4524df0b021e0a15c9dcfa344b1e674ea3f49c82d44ac", 0x72}, {&(0x7f00000014c0)="701a612dffe15102d3c8d4891d8cba86e96c0d577f57c1d5218e51277c0304226977c061e19ae24eb768df35c50dea3211c43777e043b90fe9f021fc6552270e9af646238edd5fd929305a81a50a0b70b4c238a4202eb8a30f9f24b2c13cdfe1b840578eb6c6dc48207f51cf430d5cdab12837dd2f9a4639e5c243b56329", 0x7e}], 0x9, &(0x7f00000015c0)=[{0x108, 0x101, 0x1, "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"}, {0xe0, 0x105, 0x556c, "99a7a32b221956dd0e88c45b249b6f02336f2df371f34749a5e725accef851ba22a51a6cdacc3a778c6262b493d41b2f7fe405585d12685b6419019bf426d2acb78120cff52d8c0408d0affc35137c38af0592dd9606736b2c41ece63948f6ae807d798b0ae568805a5dba74d754ece0cf03492ffc615f5f7ecba46f45936a7b986ecc42aa41cb49fefd45e9adcf2d471dd7ee61eb891169839bb29b78b5fbdcc8646f7dce1d190c81d132ab25e6780be66da3e2d38e1131a662f574a67d36d85b8eae76fdd524d55eafbcd6725df2befd0bef"}, {0x8c, 0xff, 0x6, "40310ce557212d9127ca7b6011f591033fd8d249e27faa3eaea37958e71364033f977785abd7322c6854a0737c6759a8e00c5223b1f981cd5b7d9bfce81af8781e5d3f8f30ec133d9395a6088685c9ddec26870881feee3bec2b9b7d84e93c13ddcab14acac61dea1aa1c8cc84f9114ad115e7c18dedd24acdf17ccc9d1b7f"}, {0xac, 0x116, 0x2, "bb85355b7f18a2095caa3e968bdc29d0aef7deaddfca1b3fbce137f033a288bde88d6ca67d5671d3bffc76e99ce54338478c3aa41adcc0f80bf274b79d01bdb863a8383100c97b25dee5d06968f94ac55944ec1c1f08004c026ef629e92dd2132e678fe7908a16a12690a78c5fd6c12ecb8f5d12b9ce7c43efc31bd7f1921d29234e6a967ec74d6bf10866d24361b56ae9ba452b21d1706015522b363872"}, {0x18, 0x119, 0x80000001, "9049e18b3e22f906a1b1e1bf"}, {0xbc, 0x1ff, 0x6, "007fed1d2e845c9fe7a0858c9177a39777204de04e546e24640844b27f7e06c3af76639c138133cf6d0c3d518f28cb081693e3d77866e980683118f56323cf8b556276a4e5da4f95c07995c19203cedb42a5c57101ad65603ca548039de86e6b0f417faf13d711b6d439fae6d050e9d1c07ff166fa92a82e6bbcb53865d3904374cad8f60c872a23bc30de53bed6136572edb0b56dd49451e7e28554abc1c5477ad97cd8a0ee4fc62d325dce748e"}], 0x3f4, 0x2000c804}, 0x40000040) 2018/06/01 10:46:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0), 0x0, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:41 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0xd, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:41 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) 2018/06/01 10:46:41 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39000a001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 337.517129] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 337.524970] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 337.532277] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 337.539574] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 337.546888] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 337.554215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 337.561670] cgroup: cgroup_addrm_files: failed to add usage_all, err=-12 2018/06/01 10:46:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) getsockopt$inet_pktinfo(r2, 0x0, 0x8, &(0x7f0000000000)={0x0, @remote}, &(0x7f0000000040)=0xc) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:42 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) 2018/06/01 10:46:42 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390048001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:42 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x8000, 0x0) r1 = syz_open_dev$admmidi(&(0x7f00000004c0)='/dev/admmidi#\x00', 0x3, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000000500)={0x0, 0x77, "6a0e7c8afe2d4f3b69b3c11431ad570dd8b58c08238cb8209e51a40e46f255f9d6eed61479a3338a07dfa69f38a5a5309b47706f3bc4e3ca8a9a79e9fe7472ff1fb8a54ddb9501256a7f82d4b62956380b54600b82b29788b6e65f2be0342e3866f2544c555c7ac522db7df2231587981c6dcad1c9c37c"}, &(0x7f0000000580)=0x7f) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000005c0)={r2, 0xc3, 0x20}, 0xc) 2018/06/01 10:46:42 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0xc, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:42 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x4000000) 2018/06/01 10:46:42 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390068001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:42 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) fcntl$getown(r0, 0x9) clock_nanosleep(0x7, 0x0, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) 2018/06/01 10:46:42 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r2, 0xc08c5336, &(0x7f0000000000)={0x4, 0x32adc657, 0x6, 'queue1\x00', 0x9}) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:42 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x5, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:42 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:42 executing program 5 (fault-call:2 fault-nth:57): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:42 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) [ 338.218425] FAULT_INJECTION: forcing a failure. [ 338.218425] name failslab, interval 1, probability 0, space 0, times 0 [ 338.229837] CPU: 0 PID: 22785 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 338.237287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.246672] Call Trace: [ 338.249296] dump_stack+0x1b9/0x294 [ 338.252974] ? dump_stack_print_info.cold.2+0x52/0x52 [ 338.258281] should_fail.cold.4+0xa/0x1a [ 338.262397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.267556] ? graph_lock+0x170/0x170 [ 338.271431] ? zap_class+0x720/0x720 [ 338.275181] ? kmem_cache_alloc+0x12e/0x760 [ 338.279588] ? find_held_lock+0x36/0x1c0 [ 338.283697] ? __lock_is_held+0xb5/0x140 [ 338.287825] ? check_same_owner+0x320/0x320 [ 338.292200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 338.297284] ? rcu_note_context_switch+0x710/0x710 [ 338.302278] __should_failslab+0x124/0x180 [ 338.306557] should_failslab+0x9/0x14 [ 338.310407] __kmalloc_track_caller+0x2c4/0x760 [ 338.316431] ? string+0x21d/0x2c0 [ 338.319933] ? kstrdup_const+0x66/0x80 [ 338.323859] kstrdup+0x39/0x70 [ 338.327086] kstrdup_const+0x66/0x80 [ 338.330845] __kernfs_new_node+0xa8/0x580 [ 338.335039] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 338.339826] ? pointer+0xa10/0xa10 [ 338.343410] ? kasan_check_write+0x14/0x20 [ 338.347705] ? snprintf+0xa5/0xd0 [ 338.351189] ? vsprintf+0x40/0x40 [ 338.354679] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 338.359251] kernfs_new_node+0x80/0xf0 [ 338.363274] __kernfs_create_file+0x4d/0x330 [ 338.367730] cgroup_addrm_files+0x437/0xaf0 [ 338.372147] ? cgroup_css.part.14+0x1f0/0x1f0 [ 338.376758] ? find_held_lock+0x36/0x1c0 [ 338.381004] ? __lock_is_held+0xb5/0x140 [ 338.385122] ? kasan_check_write+0x14/0x20 [ 338.389498] ? online_css+0x259/0x330 [ 338.393357] css_populate_dir+0x1a8/0x420 [ 338.397551] cgroup_apply_control_enable+0x43b/0xce0 [ 338.402700] ? cgroup_propagate_control+0x5a0/0x5a0 [ 338.407749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.413326] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 338.417850] ? cgroup_file_name+0x1f0/0x1f0 [ 338.422214] ? css_populate_dir+0x2a2/0x420 [ 338.426583] cgroup_mkdir+0x825/0x10d0 [ 338.430518] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 338.435300] ? map_id_up+0x196/0x3c0 [ 338.439225] ? make_kprojid+0x30/0x30 [ 338.443078] ? set_nlink+0xaf/0x140 [ 338.446738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.452324] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 338.457891] ? kernfs_get_active+0xb2/0x120 [ 338.457910] ? cgroup_destroy_locked+0x7c0/0x7c0 2018/06/01 10:46:42 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000005200096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 338.457931] kernfs_iop_mkdir+0x159/0x1e0 [ 338.457953] ? getname_flags+0xd0/0x5a0 [ 338.475206] vfs_mkdir+0x42e/0x6b0 [ 338.478822] do_mkdirat+0x266/0x2f0 [ 338.482484] ? __ia32_sys_mknod+0xb0/0xb0 [ 338.486664] ? mm_fault_error+0x380/0x380 [ 338.490846] __ia32_sys_mkdirat+0x74/0xb0 [ 338.495025] do_fast_syscall_32+0x345/0xf9b [ 338.499383] ? do_int80_syscall_32+0x880/0x880 [ 338.504088] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 338.508964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.514528] ? syscall_return_slowpath+0x30f/0x5c0 [ 338.519606] ? sysret32_from_system_call+0x5/0x46 [ 338.524491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.530246] entry_SYSENTER_compat+0x70/0x7f [ 338.534671] RIP: 0023:0xf7fa6cb9 [ 338.538061] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 338.545807] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 338.553097] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 338.560461] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 338.567736] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 338.575025] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 338.582646] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/06/01 10:46:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:43 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="397a00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:43 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(r0) 2018/06/01 10:46:43 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x5000) 2018/06/01 10:46:43 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x240, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:43 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:43 executing program 4: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$IP_VS_SO_SET_ADDDEST(r1, 0x0, 0x487, &(0x7f00000003c0)={{0x3f, @local={0xac, 0x14, 0x14, 0xaa}, 0x4e20, 0x2, 'wlc\x00', 0x1, 0x1ff, 0x66}, {@empty, 0x4e20, 0x12006, 0x5, 0xe59, 0x2}}, 0x44) recvfrom(r0, &(0x7f0000000000)=""/126, 0x7e, 0x40000000, &(0x7f00000000c0)=@in6={0xa, 0x4e22, 0x6, @empty, 0x2}, 0x80) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) 2018/06/01 10:46:43 executing program 5 (fault-call:2 fault-nth:58): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 338.977554] FAULT_INJECTION: forcing a failure. [ 338.977554] name failslab, interval 1, probability 0, space 0, times 0 [ 338.990325] CPU: 0 PID: 22804 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 338.997728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.007111] Call Trace: [ 339.007144] dump_stack+0x1b9/0x294 [ 339.007172] ? dump_stack_print_info.cold.2+0x52/0x52 [ 339.007212] should_fail.cold.4+0xa/0x1a [ 339.007257] ? __kmalloc_track_caller+0x14a/0x760 [ 339.007284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.013636] ? cgroup_mkdir+0x825/0x10d0 [ 339.013658] ? kernfs_iop_mkdir+0x159/0x1e0 [ 339.013681] ? do_mkdirat+0x266/0x2f0 [ 339.013706] ? __ia32_sys_mkdirat+0x74/0xb0 [ 339.022963] ? do_fast_syscall_32+0x345/0xf9b [ 339.022982] ? entry_SYSENTER_compat+0x70/0x7f [ 339.023003] ? graph_lock+0x170/0x170 [ 339.023024] ? find_held_lock+0x36/0x1c0 [ 339.049885] ? print_usage_bug+0xc0/0xc0 [ 339.049910] ? find_held_lock+0x36/0x1c0 [ 339.049937] ? __lock_is_held+0xb5/0x140 [ 339.079413] ? check_same_owner+0x320/0x320 [ 339.083776] ? rcu_note_context_switch+0x710/0x710 [ 339.088752] ? rcu_read_lock_sched_held+0x108/0x120 [ 339.093828] __should_failslab+0x124/0x180 [ 339.098322] should_failslab+0x9/0x14 [ 339.102186] kmem_cache_alloc+0x2af/0x760 [ 339.106382] ? memcpy+0x45/0x50 [ 339.109724] ? kstrdup+0x59/0x70 [ 339.113131] __kernfs_new_node+0xe7/0x580 [ 339.117316] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 339.122097] ? pointer+0xa10/0xa10 2018/06/01 10:46:43 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x7, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 339.125681] ? kasan_check_write+0x14/0x20 [ 339.129946] ? snprintf+0xa5/0xd0 [ 339.133426] ? vsprintf+0x40/0x40 [ 339.136905] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 339.141572] kernfs_new_node+0x80/0xf0 [ 339.145502] __kernfs_create_file+0x4d/0x330 [ 339.149963] cgroup_addrm_files+0x437/0xaf0 [ 339.154343] ? cgroup_css.part.14+0x1f0/0x1f0 [ 339.158870] ? find_held_lock+0x36/0x1c0 [ 339.162990] ? __lock_is_held+0xb5/0x140 [ 339.167102] ? kasan_check_write+0x14/0x20 [ 339.171364] ? online_css+0x259/0x330 2018/06/01 10:46:43 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) [ 339.175291] css_populate_dir+0x1a8/0x420 [ 339.179484] cgroup_apply_control_enable+0x43b/0xce0 [ 339.184652] ? cgroup_propagate_control+0x5a0/0x5a0 [ 339.189721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.195300] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 339.199831] ? cgroup_file_name+0x1f0/0x1f0 [ 339.204201] ? css_populate_dir+0x2a2/0x420 [ 339.208595] cgroup_mkdir+0x825/0x10d0 [ 339.212528] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 339.217321] ? map_id_up+0x196/0x3c0 [ 339.221075] ? make_kprojid+0x30/0x30 [ 339.224924] ? set_nlink+0xaf/0x140 [ 339.228614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.234191] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 339.239799] ? kernfs_get_active+0xb2/0x120 [ 339.244146] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 339.248937] kernfs_iop_mkdir+0x159/0x1e0 [ 339.253111] ? getname_flags+0xd0/0x5a0 [ 339.257121] vfs_mkdir+0x42e/0x6b0 [ 339.260698] do_mkdirat+0x266/0x2f0 [ 339.264372] ? __ia32_sys_mknod+0xb0/0xb0 [ 339.268574] ? mm_fault_error+0x380/0x380 [ 339.272782] __ia32_sys_mkdirat+0x74/0xb0 2018/06/01 10:46:43 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390300001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 339.276967] do_fast_syscall_32+0x345/0xf9b [ 339.281332] ? do_int80_syscall_32+0x880/0x880 [ 339.285950] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 339.290910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.296473] ? syscall_return_slowpath+0x30f/0x5c0 [ 339.301465] ? sysret32_from_system_call+0x5/0x46 [ 339.306349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.311237] entry_SYSENTER_compat+0x70/0x7f [ 339.315662] RIP: 0023:0xf7fa6cb9 [ 339.319043] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:43 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) [ 339.326788] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 339.334085] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 339.341382] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 339.348676] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 339.355966] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 339.363451] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/06/01 10:46:43 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:43 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x50) 2018/06/01 10:46:43 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = getpgid(0xffffffffffffffff) r3 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x4, 0x40) perf_event_open(&(0x7f0000000040)={0x3, 0x70, 0x100000000, 0x2, 0x8000, 0x8, 0x0, 0x8ea, 0x80044, 0x8, 0x1, 0x9, 0x6, 0x1000, 0x0, 0x3, 0x6, 0x100000001, 0xfffffffffffffff9, 0x56e7, 0x5, 0x10000, 0x2, 0x2, 0x2, 0x7, 0x9, 0x7, 0x401, 0x1, 0xffffffff00000000, 0x3, 0x8, 0x10000, 0x6, 0x7fff, 0x80, 0x7b, 0x0, 0x3f, 0x1, @perf_bp={&(0x7f0000000000), 0x4}, 0x8000, 0x0, 0x20, 0x0, 0x2, 0x7, 0x6}, r2, 0xb, r3, 0x8) r4 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r4) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) pipe(&(0x7f0000000140)={0xffffffffffffffff}) ioctl$VHOST_SET_VRING_ERR(r5, 0x4008af22, &(0x7f0000000180)={0x3, r3}) 2018/06/01 10:46:43 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390003001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:43 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x5, 0x400000) setsockopt$inet_MCAST_LEAVE_GROUP(r1, 0x0, 0x2d, &(0x7f0000000040)={0x5, {{0x2, 0x4e20, @broadcast=0xffffffff}}}, 0x84) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) getsockopt(r1, 0x4, 0x4, &(0x7f00000001c0)=""/189, &(0x7f0000000140)=0xbd) getsockopt$inet6_tcp_buf(r2, 0x6, 0x1d, &(0x7f0000000280)=""/166, &(0x7f0000000340)=0xa6) bind$inet6(r2, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r2, 0xffffffffffffff7f) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$ASHMEM_GET_PIN_STATUS(r1, 0x7709, 0x0) sendto$inet6(r3, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r3, 0x84, 0x6b, &(0x7f0000000380)=[@in6={0xa, 0x4e20, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x140000}, @in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e23}, @in6={0xa, 0x4e23, 0x6, @empty, 0x4}, @in6={0xa, 0x4e20, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0xbb}, @in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, @in6={0xa, 0x4e21, 0x10000, @remote={0xfe, 0x80, [], 0xbb}, 0x3}, @in6={0xa, 0x4e23, 0x5, @dev={0xfe, 0x80, [], 0x10}, 0x800}], 0xbc) write$binfmt_misc(r3, &(0x7f0000000040)={'syz1'}, 0xffcf) accept4(r2, 0x0, &(0x7f0000000080), 0x0) ioctl$DRM_IOCTL_ADD_MAP(r1, 0xc0186415, &(0x7f0000000100)={&(0x7f0000ffb000/0x3000)=nil, 0xf7a, 0x0, 0xa9, &(0x7f0000ffc000/0x4000)=nil, 0x9}) keyctl$set_reqkey_keyring(0xe, 0xffffffffffffffff) 2018/06/01 10:46:44 executing program 0: r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) 2018/06/01 10:46:44 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0xa, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:44 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39004c001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:44 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:44 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x101000, 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r0, 0x800442d4, &(0x7f0000000040)=0xfff) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000200)={0x45b, 0x3, {0xffffffffffffffff, 0x0, 0x1ff, 0x3, 0x8}}) ioctl$BLKTRACESETUP(r0, 0xc0401273, &(0x7f0000000100)={[], 0x0, 0xc6, 0x7, 0x2c7e, 0x101}) pipe2(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84000) ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f00000001c0)="0a7123a7709ea6000001000000008073", 0x10) 2018/06/01 10:46:44 executing program 5 (fault-call:2 fault-nth:59): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:44 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x500000000000000) 2018/06/01 10:46:44 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) r3 = add_key$user(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000100)="cb835fcd99dfa6c35310fcd52a8dc49c76ea5e4a40f5fca17993e8b5cb36af0b44e5d8d950d6cde04e0d3c285e6e568be4212538cbe29e938a21bb18d856e247faf5339e30112876", 0x48, 0xfffffffffffffff8) r4 = add_key(&(0x7f0000000080)='trusted\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000200)="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", 0xfc, 0xfffffffffffffffb) keyctl$link(0x8, r3, r4) [ 340.515456] FAULT_INJECTION: forcing a failure. [ 340.515456] name failslab, interval 1, probability 0, space 0, times 0 [ 340.526901] CPU: 1 PID: 22878 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 340.534408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.543818] Call Trace: [ 340.546460] dump_stack+0x1b9/0x294 [ 340.550222] ? dump_stack_print_info.cold.2+0x52/0x52 [ 340.555464] should_fail.cold.4+0xa/0x1a [ 340.559553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.565128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.570260] ? memset+0x31/0x40 [ 340.573679] ? graph_lock+0x170/0x170 [ 340.577509] ? idr_destroy+0x1b0/0x1b0 [ 340.581434] ? find_held_lock+0x36/0x1c0 [ 340.585537] ? __lock_is_held+0xb5/0x140 [ 340.589774] ? check_same_owner+0x320/0x320 [ 340.594136] ? print_usage_bug+0xc0/0xc0 [ 340.598440] ? rcu_note_context_switch+0x710/0x710 [ 340.603513] ? find_held_lock+0x36/0x1c0 [ 340.607709] __should_failslab+0x124/0x180 [ 340.612034] should_failslab+0x9/0x14 [ 340.615875] kmem_cache_alloc_trace+0x2cb/0x780 [ 340.620580] ? graph_lock+0x170/0x170 [ 340.624422] ? __lock_is_held+0xb5/0x140 [ 340.628531] hugetlb_cgroup_css_alloc+0xa9/0x310 [ 340.633333] ? hugetlb_cgroup_read_u64+0x270/0x270 [ 340.638289] ? trace_hardirqs_on+0xd/0x10 [ 340.642492] cgroup_apply_control_enable+0x52d/0xce0 [ 340.647647] ? cgroup_propagate_control+0x5a0/0x5a0 [ 340.652827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.658400] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 340.662930] ? cgroup_file_name+0x1f0/0x1f0 [ 340.667507] ? css_populate_dir+0x2a2/0x420 [ 340.671966] cgroup_mkdir+0x825/0x10d0 [ 340.675902] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 340.680695] ? map_id_up+0x196/0x3c0 [ 340.684476] ? make_kprojid+0x30/0x30 [ 340.688409] ? set_nlink+0xaf/0x140 [ 340.692172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.697756] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 340.703325] ? kernfs_get_active+0xb2/0x120 [ 340.707673] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 340.712551] kernfs_iop_mkdir+0x159/0x1e0 [ 340.716817] ? getname_flags+0xd0/0x5a0 [ 340.720824] vfs_mkdir+0x42e/0x6b0 [ 340.724399] do_mkdirat+0x266/0x2f0 [ 340.728073] ? __ia32_sys_mknod+0xb0/0xb0 [ 340.732255] ? mm_fault_error+0x380/0x380 [ 340.736445] __ia32_sys_mkdirat+0x74/0xb0 [ 340.740647] do_fast_syscall_32+0x345/0xf9b [ 340.745001] ? do_int80_syscall_32+0x880/0x880 [ 340.749642] ? _raw_spin_unlock_irq+0x27/0x70 [ 340.754198] ? finish_task_switch+0x1ca/0x840 [ 340.758739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.764327] ? syscall_return_slowpath+0x30f/0x5c0 [ 340.769306] ? sysret32_from_system_call+0x5/0x46 [ 340.774217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.779135] entry_SYSENTER_compat+0x70/0x7f [ 340.783568] RIP: 0023:0xf7fa6cb9 [ 340.786960] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 340.794703] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 340.802008] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 340.809304] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 2018/06/01 10:46:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) 2018/06/01 10:46:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x808}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:45 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x800b0000000000) 2018/06/01 10:46:45 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390600001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:45 executing program 4: r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x8000, 0x800) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f0000ffc000/0x3000)=nil, 0x3000}, 0x2}) ioctl$KVM_IOEVENTFD(r0, 0x4040ae79, &(0x7f0000000140)={0x1000, &(0x7f0000000100), 0x1, r0, 0x2}) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000440)='team\x00') getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000480)={{{@in6=@mcast2, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in=@multicast1}}, &(0x7f0000000580)=0xe8) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40042406, &(0x7f0000001280)='lb_stats_refresh_interval\x00') recvmmsg(r0, &(0x7f00000011c0)=[{{&(0x7f00000005c0)=@nl, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000640)=""/92, 0x5c}], 0x1, &(0x7f0000000700)=""/178, 0xb2, 0x6}, 0x800}, {{&(0x7f00000007c0)=@ax25, 0x80, &(0x7f0000000b00)=[{&(0x7f0000000840)=""/34, 0x22}, {&(0x7f0000000880)=""/5, 0x5}, {&(0x7f00000008c0)=""/252, 0xfc}, {&(0x7f00000009c0)=""/202, 0xca}, {&(0x7f0000000ac0)=""/44, 0x2c}], 0x5, &(0x7f0000000b40)=""/141, 0x8d, 0x659f}, 0x8}, {{&(0x7f0000000c00)=@hci={0x0, 0x0}, 0x80, &(0x7f00000010c0)=[{&(0x7f0000000c80)=""/149, 0x95}, {&(0x7f0000000d40)=""/157, 0x9d}, {&(0x7f0000000e00)=""/230, 0xe6}, {&(0x7f0000000f00)=""/200, 0xc8}, {&(0x7f0000001000)=""/162, 0xa2}], 0x5, &(0x7f0000001100)=""/139, 0x8b, 0x140000000}, 0x80000000}], 0x3, 0x20, &(0x7f0000001240)) getsockname$packet(r0, &(0x7f00000012c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000001300)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000001400)={{{@in6, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@ipv4={[], [], @local}}, 0x0, @in6=@remote}}, &(0x7f0000001500)=0xe8) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000001540)={@empty, @remote, 0x0}, &(0x7f0000001580)=0xc) getpeername$packet(r0, &(0x7f00000015c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000001600)=0x14) accept4$packet(r0, &(0x7f0000001640)={0x0, 0x0, 0x0}, &(0x7f0000001680)=0x14, 0x80000) getsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f00000016c0)={@loopback, @multicast1, 0x0}, &(0x7f0000001700)=0xc) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000017c0)={'vcan0\x00', 0x0}) getsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000004d40)={@empty, @local, 0x0}, &(0x7f0000004d80)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000004dc0)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000004e00)={'ip6gretap0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000005380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000800}, 0xc, &(0x7f0000005340)={&(0x7f0000004e40)={0x4d0, r1, 0x200, 0x70bd2b, 0x25dfdbfe, {0x1}, [{{0x8, 0x1, r2}, {0x124, 0x2, [{0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r3}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xc8}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8000}}}]}}, {{0x8, 0x1, r4}, {0xf8, 0x2, [{0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x3}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r5}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xfffffffffffffffa}}}]}}, {{0x8, 0x1, r6}, {0xbc, 0x2, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}, {0x8, 0x6, r7}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x3000000}}, {0x8, 0x7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}]}}, {{0x8, 0x1, r8}, {0x1c4, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r9}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r10}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x6}}, {0x8, 0x6, r11}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x2}}, {0x8, 0x6, r12}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x1}}, {0x8, 0x7}}}, {0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'roundrobin\x00'}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x81}}, {0x8, 0x6, r13}}}]}}]}, 0x4d0}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) r14 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000280)='/dev/loop-control\x00', 0x4, 0x0) ioctl$LOOP_CTL_GET_FREE(r14, 0x4c82) dup2(r0, r14) mprotect(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1000006) fstat(r14, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000240), &(0x7f0000000200)=0x0, &(0x7f00000001c0)) fchown(r0, r15, r16) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000002c0)={{{@in=@broadcast, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@remote}}, &(0x7f00000003c0)=0xe8) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000400)={r17, 0x1, 0x6}, 0x10) 2018/06/01 10:46:45 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="396000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 340.816605] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 340.823897] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2018/06/01 10:46:45 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x3, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:45 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') fcntl$addseals(r1, 0x409, 0x1) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) 2018/06/01 10:46:45 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="396c00001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:45 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x3000000) 2018/06/01 10:46:45 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = open$dir(&(0x7f0000000000)='./file0\x00', 0x0, 0x1) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0\x00', 0x800, 0x0) linkat(r1, &(0x7f0000000040)='./file0\x00', r2, &(0x7f00000000c0)='./file0\x00', 0x400) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="7c845ddd32b3b47876e12ee6fbb2b6fcb2aa1f92a2f971fc959bb86527f3528a4f8c015b75c9b5565f65f51778a57ff89514ce60ed8ef78fb1119b264ed7c4ddda1bae04f124e05f422f9e451b280223faa07028f74e94c42d3dd2fce7dbeea0c3ad97443a62dff11266512b8766a12d10c08a76a375631474d7715d6d312490ba228b5f3569a1a4e6f51f8450aa9c5b0783c7151cb8905c671a264404a57bb446f032ee4abb3463cc760512902c6708427c310d5b5be9bdd63c8b1367538c9f1de9c738dd625f0045e59dd20ffb41cd62c86b8d03894031a29b43627f3bc846d48dbd0496ef673040cb8364b4a7b9b262d9300085d3d1b0f438889cb8e8793a540b4d89e2d7edcb85297e2ddc13d10d7ac3a41b25bcd7f3f8f62eabdaa7cb2343d16822929f220be61a61e1277592c1b407d859edcc4fd60eb6ee153c91ed4a3394e5104c5982382bd0b46cff20963c352bc350216e3b33905ad92bb9369b87c89f24dc67bcc34bf3ad4f79e7a818aa683e3479561ed47ffd7d29c95f784100b0a83dc568df0275e3f96db1e5f70d4d509bbd899e2f1b5d17e002063c720178fc3baebea3317ee8b11b4e6b8047c1bf900fe37b0de37cf049054e1f4eef596d2fa121efb89648fb076417a56d3c6233b85b9ecb3aacdad2ae0bdb17d15d7b6153f1cfbdf4eb322fe351ca0f4b3db1925ef0696dd9a6249619c9312d511728d1c553036c1975e69ab6e3f7ca0e648d4b65edd660cf6be98c9084314a9219d873895d69cc6203941e0bf5dee2dbe7252548dbefa227d1dcb051e5416e4bc310294b114dc3ee3c09e0fb7781f59a54271603276fc67189b7d75f7534995cacca13c09209f504d6e7b115bf40d4de6f324d32e831c7d5d8b858e6ab13776c3a336837699aaa430c7534e4f295a26ede70d7147f092a54606fb3877e1fbb89a9d4e869fea0afad7e8e5e8cb5261e2f3f96fb186d64a50c37f6ab26831736476ee7856d28531eddedd48e579b31d586f01d692dba17c5651baabdd278c285d792cd1d5543bad435db51c0c7ce8f2bc16db982e51b07eb768548994a0995ceb5c7f2f78291dfb4280e0af10d1edbc259b9206a4df7605fc70333bdd742f65f1e9b04aa352d26b3c22f6b2e722d574146d4e73b3cf5eb6c55a23437ba4e575d1da42efab306e086928e011d7cd54af616047573037c11d297bfedfd1883133add138e7c2151b1529e5e553c00dda210ac2db944d665ae2eb2dccae0a7436a1b7ba993761f9b0ac466f8e39f73488d3aecfffce8700fc3877792e383ead208d1335b28a46bfa905684d6999b833beb1fdb20e60a132c4ec21de9b21fb965e0df54cac75e9a3d49cb62d083ea5975fdfedf5f1950c3a2a1a93cb26cd10c8064904dc8f0ce126b8080a567918db63f29a87ce4df1db913cd5803503968a1cad5cc9dc2e5b5be93d9ab1df46df9b49975151576878306660cec97a5ff53f65b3e2ab1b326500c6fe618f5109d011a394d44289ec1353a2c0bb3e05887d21889845ea39bcf368cea1d73b92db6251ae6ad029c0e3fd53ac707e82b487d5aa3f1104d229f6b5ff46af7b180be87ebe5c13228342a85a043a23f31103147fbd5d585264502a1cfdb520f3e319543a93584b5b7d9fefd2847f9bdd3b1c38073defb6cc7a2265b712bccdbc101df3baef810b7d447cba633a79c1d215399049ac7def93abe4f8618f947cc041fa31a296a966cec693913c750ba5d4de4b6b1e750c3a123d26ebe9f054d1b96d4e1141a180cd6fbb35251cc481b59c27bd792afc51dc8e8040b33befe222339e5e2149f947dccd0bc84fdfcf4ac5984eada6c3456ee2731c41acf1d540a24354c349fcdd0b2e574bef7699e2400c0a72e3cb15dc9e9c978069657441a5534f72965a0211d221e52136a8ec6b91ecad19cc837a73339c2705c552ea923322766af2e7b3b31e6d7706cbea316942190aa74af29b65d1319736f0911c0dc398dac87b3667eb5232de344ea309b82e23295d0c09761250acfaccedd73712cc30b8f6a70b17e8b620fa6a5b5b4d8927d7d2e5f603478aed6b2c8817485ea090c4b4bd42f63e4410b4815b668e2fd389451906b1887b99cb224a7d96835fb37607de4c4779935d222cc73572e97630b00dd711aab7aaf9d54f7f5d7d3385be0756a1cdf6489b1682bfea73ccfd292593b6cee9bb665fff8097acaaf1b9e4dbf974d03c19d463d40d753b77e8c0b9d2fc08aa5dab3c52d8310dc8df1a2d7865737cd19aa7e751aff93be9616c97b0d03ae2fdf151dd399d6b697346889f212cd1f2bb76841c78b9e8e77ec210f7c7eb69319405cc02cb55e20cd3c0bed8d5f1b671af10b11b044f0aa574212303e4cede8ed6e040f857f073981d07f1321bd86a055ebc387e5b148d20c6bba0db3ae3834ac36d7e8cb555f9caf31461014a9428a2efdece64b193ae1fee7f30615c98d493e5b7d1b2a38bac6318e175737be4f47d28226aec1bc3e526afda5d7917df5f5332ea844ea77303fea6e99b29fc32fe7c1df50565973bf55283ec07d06dff8fd97bdb5e4fe50906266bdf7c3e7cbd926408c92b5dfd09565f6e404c3e3ee081de432b973859701e2fa25263d2c11ea4b565f86eecddd3a590b8fdf426f20a2b1f948f03d2e3b37c77bc3a14a87793026e815c22abc6717a28653b96585e6be26a31591d5751e7ac5c03c07f12cd189dac86574fc8dfd6843948b34758bb25fdc0e482ebd6f792dba235ed8697559a221e016d3a531a2a1268b943b0dd9dadb5071f1b4fa2f18eb0a4269c1e8b7d7e0609b5c655324fc3b370c1bf0e926a9cbd335a3ac169da82c54556df005c6f1031af5c60ee49adf5be7aa757948f2baa081dda343bd10e6c60dfe39db1948be4100859e9f59c276d93fe68f234e8a3240ac15213f85cf0849721eaab3466810ec43486bed18c93f5cd8771c25d9c01f602bb7aca4196f7c82ba0cd04c39bf1b4f8502a8a953a857bacd565153bda03811c8bc710a019e6b31314ee262189d4f950dcdd9ac79ef9766366fb79274dce1b59c1584cb2729b570916d366f57b2457e0c2a65b3d812b6f5cd7d3fc9128e5c91137fa2183a29110d44d0862e0bfbe3ea2cf6b9c7a3d76e0ceb50392754777808d100f634a63f0759385bf31e2d20a6f90607da337b85cda763f764783d676e6af9a1f71c9108821d087318097d494210e5c440b55d5a8d538496679e2f51b3daf088fad69463a218ddb829899a05785af56da02a286f58b9d378b9478ec881f2ed375c866aae211289712c9f38f8cdbd6fa902078b9e0ae9475912b0c80ff55a2b9ec686175083068d678f745d970f6632aedd5b66d5adcfedb7b2a7deb6b41182b4aaed94cad996a43bf004f380cf1fd3a80dc863745ec15a700f6069f7964c2cca83beabca7ffaccf3667b7940b607f628a839abf7bf1a677671f95346ba62633ee4d8386f1499f0f2a37cf52479a7e8730591e617636a19d4b0c89e2b9e94e375e6f7f6de0f3588aef183afcda79ff0e7c220f00d56a9e08c1559a414decd9d1c99afa999ff93689ffe56a50ff148335e15f3a98e70c5b294a78d9430a81e1f2ef3fe24d7884776e26fd11388f3d5ba065c9f073704c9a472f4376274e1c9cce7219a5a415a62fc3c39a2ff65a8e18e499cafaa67e9581ea56215c5e1c3a0f2125619a534cb5e3fb5491777ba12104ff1adaa21f7ac6bb103e0d76717379044d6f19a6b4c9cbacd2792ccf09cf7b596215404b00aa4197c345f3e8f26c17b34f4e892976cbdd0df042355c87ae4d99597b79b87ea265871e919403b98a0e2bea2cdc1a8277a792637c2aab96f9540650ce83781902ae1ef4146611d2d364264597d0630514995b9fc37c866edc0ab62bd2260e68d4545a440416560908344b574b2ea49a57ee81617fb6c0bea92eaf802d072c25f8fcd10a76811e402a104c7d6774f1dba9cb59538c3b388771ad515d9f596d593e47498b00ac3498c91c5d5b03a02de0e903c2498902157096ee7d1a71b9c2027e9bd5961b5770a6dd0a28285652eb82c85f2cc37aedf5e08f2a86533c8b474328750f4a75478682b94029849c7410dc30f8a24da8c7bdde0722dfee4001a09c3067033876e2094718fe5edf3a7bfb3d11d2e8ba8d398365ce3302537fc7331a156052af2b5eb65bdd40f785b1ecfec0bf1b4c0015d76d74affd3909bfd339756f66830d9dfa1616d8018f510f97d025b27cf1de04639e2ec4d0aea7122e17b8e12a405c95ca1bffc3aec76e57bcd2b658811390bbbbaa61797796d5dae5de208bfe55e87114fb3c64df629dddb08e2d6f97fc0b3235e355ea98978cd675d678125b58a4501", 0xc0c}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:45 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390020001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:45 executing program 5 (fault-call:2 fault-nth:60): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:45 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$GIO_FONT(r0, 0x4b60, &(0x7f0000000100)=""/136) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r1) ioctl$int_in(r0, 0x5473, &(0x7f0000000000)=0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) 2018/06/01 10:46:45 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x501, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) [ 341.210651] FAULT_INJECTION: forcing a failure. [ 341.210651] name failslab, interval 1, probability 0, space 0, times 0 [ 341.222168] CPU: 0 PID: 22934 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 341.229580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.239058] Call Trace: [ 341.241690] dump_stack+0x1b9/0x294 [ 341.245370] ? dump_stack_print_info.cold.2+0x52/0x52 [ 341.250736] should_fail.cold.4+0xa/0x1a [ 341.254845] ? __kmalloc_track_caller+0x14a/0x760 [ 341.259742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.264895] ? cgroup_mkdir+0x825/0x10d0 [ 341.269093] ? kernfs_iop_mkdir+0x159/0x1e0 [ 341.273542] ? do_mkdirat+0x266/0x2f0 [ 341.277374] ? __ia32_sys_mkdirat+0x74/0xb0 [ 341.281729] ? do_fast_syscall_32+0x345/0xf9b [ 341.286277] ? entry_SYSENTER_compat+0x70/0x7f [ 341.290899] ? graph_lock+0x170/0x170 [ 341.294728] ? find_held_lock+0x36/0x1c0 [ 341.298830] ? print_usage_bug+0xc0/0xc0 [ 341.302963] ? find_held_lock+0x36/0x1c0 [ 341.307166] ? __lock_is_held+0xb5/0x140 2018/06/01 10:46:45 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$cgroup_ro(r0, &(0x7f0000000040)='memory.swap.current\x00', 0x0, 0x0) ioctl$SG_GET_SCSI_ID(r1, 0x2276, &(0x7f0000000080)) [ 341.311302] ? check_same_owner+0x320/0x320 [ 341.315666] ? rcu_note_context_switch+0x710/0x710 [ 341.320637] ? rcu_read_lock_sched_held+0x108/0x120 [ 341.325710] __should_failslab+0x124/0x180 [ 341.329998] should_failslab+0x9/0x14 [ 341.333843] kmem_cache_alloc+0x2af/0x760 [ 341.338033] ? memcpy+0x45/0x50 [ 341.341360] ? kstrdup+0x59/0x70 [ 341.344775] __kernfs_new_node+0xe7/0x580 [ 341.348973] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 341.353767] ? pointer+0xa10/0xa10 [ 341.357352] ? kasan_check_write+0x14/0x20 2018/06/01 10:46:45 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39f000001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) [ 341.361707] ? snprintf+0xa5/0xd0 [ 341.365270] ? vsprintf+0x40/0x40 [ 341.368756] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 341.373333] kernfs_new_node+0x80/0xf0 [ 341.377255] __kernfs_create_file+0x4d/0x330 [ 341.381716] cgroup_addrm_files+0x437/0xaf0 [ 341.386090] ? cgroup_css.part.14+0x1f0/0x1f0 [ 341.390701] ? find_held_lock+0x36/0x1c0 [ 341.394839] ? __lock_is_held+0xb5/0x140 [ 341.398948] ? kasan_check_write+0x14/0x20 [ 341.403222] ? online_css+0x259/0x330 [ 341.407067] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:45 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x4, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) [ 341.411263] cgroup_apply_control_enable+0x43b/0xce0 [ 341.416424] ? cgroup_propagate_control+0x5a0/0x5a0 [ 341.421481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.427051] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 341.431666] ? cgroup_file_name+0x1f0/0x1f0 [ 341.436036] ? css_populate_dir+0x2a2/0x420 [ 341.440392] cgroup_mkdir+0x825/0x10d0 [ 341.444338] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 341.449118] ? map_id_up+0x196/0x3c0 [ 341.452870] ? make_kprojid+0x30/0x30 [ 341.456721] ? set_nlink+0xaf/0x140 2018/06/01 10:46:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xe0e}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 341.460377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.465964] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 341.471535] ? kernfs_get_active+0xb2/0x120 [ 341.475884] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 341.480767] kernfs_iop_mkdir+0x159/0x1e0 [ 341.484960] ? getname_flags+0xd0/0x5a0 [ 341.488998] vfs_mkdir+0x42e/0x6b0 [ 341.492578] do_mkdirat+0x266/0x2f0 [ 341.496251] ? __ia32_sys_mknod+0xb0/0xb0 [ 341.500437] ? mm_fault_error+0x380/0x380 [ 341.504615] __ia32_sys_mkdirat+0x74/0xb0 [ 341.508793] do_fast_syscall_32+0x345/0xf9b [ 341.513148] ? do_int80_syscall_32+0x880/0x880 [ 341.517755] ? _raw_spin_unlock_irq+0x27/0x70 [ 341.522363] ? finish_task_switch+0x1ca/0x840 [ 341.526888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.532448] ? syscall_return_slowpath+0x30f/0x5c0 [ 341.537413] ? sysret32_from_system_call+0x5/0x46 [ 341.542295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.547184] entry_SYSENTER_compat+0x70/0x7f [ 341.551623] RIP: 0023:0xf7fa6cb9 [ 341.555002] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 341.562744] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 341.570043] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 341.577340] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 341.584647] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 341.591946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 341.599502] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/06/01 10:46:46 executing program 4: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x200c0, 0x0) ioctl$KVM_SET_VAPIC_ADDR(r0, 0x4008ae93, &(0x7f0000000040)=0x3003) mkdir(&(0x7f00000000c0)='./file0\x00', 0x140) r1 = syz_genetlink_get_family_id$team(&(0x7f0000000140)='team\x00') getsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@mcast2, 0x0}, &(0x7f0000000200)=0x14) getpeername$packet(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000280)=0x14) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000380)={'vcan0\x00', 0x0}) getsockname$packet(r0, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000540)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000580)={'team0\x00', 0x0}) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f00000005c0)={{{@in6=@ipv4={[], [], @dev}, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@multicast1}}, &(0x7f00000006c0)=0xe8) getpeername$packet(r0, &(0x7f0000001e00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000001e40)=0x14) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000001e80)={{{@in6=@mcast1, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@remote}}, &(0x7f0000001f80)=0xe8) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000001fc0)={{{@in6=@local, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}}}, &(0x7f00000020c0)=0xe8) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000003c40)={'vcan0\x00', 0x0}) sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f0000004040)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000004000)={&(0x7f0000003c80)={0x348, r1, 0x4, 0x70bd2a, 0x25dfdbfc, {0x1}, [{{0x8, 0x1, r2}, {0xf4, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r3}}, {0x8, 0x7}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7ff}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r4}}, {0x8, 0x7}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1}}}]}}, {{0x8, 0x1, r5}, {0x7c, 0x2, [{0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x81}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}, {0x8, 0x6, r6}}}]}}, {{0x8, 0x1, r7}, {0x80, 0x2, [{0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r8}}, {0x8, 0x7}}}, {0x3c, 0x1, @user_linkup={{{0x24, 0x1, 'user_linkup\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r9}}}]}}, {{0x8, 0x1, r10}, {0x124, 0x2, [{0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x1d15}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x3}}, {0x8, 0x6, r11}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xffffffffffffffe0}}}, {0x38, 0x1, @mcast_rejoin_count={{0x24, 0x1, 'mcast_rejoin_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8000}}}]}}]}, 0x348}, 0x1, 0x0, 0x0, 0x4000010}, 0x804) r12 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000080)=0x58, 0x4) ioctl$LOOP_CTL_GET_FREE(r12, 0x4c82) flock(r0, 0x3) 2018/06/01 10:46:46 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x300000000000000) 2018/06/01 10:46:46 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(0xffffffffffffffff, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}, 0x0, 0x1, [{{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}]}, 0x10c) close(0xffffffffffffffff) 2018/06/01 10:46:46 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390200001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:46 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$TIOCLINUX6(r2, 0x541c, &(0x7f0000000000)={0x6, 0x400}) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xf0f}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:46 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x7, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:46 executing program 5 (fault-call:2 fault-nth:61): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 342.492810] FAULT_INJECTION: forcing a failure. [ 342.492810] name failslab, interval 1, probability 0, space 0, times 0 [ 342.504267] CPU: 0 PID: 22979 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 342.504285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.521137] Call Trace: [ 342.523750] dump_stack+0x1b9/0x294 [ 342.527402] ? dump_stack_print_info.cold.2+0x52/0x52 [ 342.532964] ? finish_task_switch+0x1ca/0x840 [ 342.532983] ? finish_task_switch+0x182/0x840 [ 342.533011] should_fail.cold.4+0xa/0x1a [ 342.546192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.551349] ? __schedule+0x809/0x1e30 [ 342.555293] ? __sched_text_start+0x8/0x8 [ 342.559482] ? find_held_lock+0x36/0x1c0 [ 342.563579] ? __lock_is_held+0xb5/0x140 [ 342.567691] ? check_same_owner+0x320/0x320 [ 342.572042] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 342.577097] __should_failslab+0x124/0x180 [ 342.581364] should_failslab+0x9/0x14 [ 342.585214] __kmalloc_track_caller+0x2c4/0x760 [ 342.589962] ? string+0x21d/0x2c0 [ 342.593452] ? kstrdup_const+0x66/0x80 [ 342.597372] kstrdup+0x39/0x70 [ 342.600597] kstrdup_const+0x66/0x80 [ 342.604345] __kernfs_new_node+0xa8/0x580 [ 342.608639] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 342.613428] ? pointer+0xa10/0xa10 [ 342.617009] ? graph_lock+0x170/0x170 [ 342.620835] ? perf_trace_lock+0x495/0x900 [ 342.625119] ? snprintf+0xa5/0xd0 [ 342.628614] ? vsprintf+0x40/0x40 [ 342.632111] kernfs_new_node+0x80/0xf0 [ 342.636033] __kernfs_create_file+0x4d/0x330 2018/06/01 10:46:46 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xf90}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:46 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390500001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 342.640486] cgroup_addrm_files+0x437/0xaf0 [ 342.644857] ? cgroup_css.part.14+0x1f0/0x1f0 [ 342.649379] ? find_held_lock+0x36/0x1c0 [ 342.653495] ? __lock_is_held+0xb5/0x140 [ 342.657608] ? kasan_check_write+0x14/0x20 [ 342.661871] ? online_css+0x259/0x330 [ 342.665733] css_populate_dir+0x1a8/0x420 [ 342.669916] cgroup_apply_control_enable+0x43b/0xce0 [ 342.675169] ? cgroup_propagate_control+0x5a0/0x5a0 [ 342.680225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.685930] ? cgroup_kn_set_ugid+0x2cb/0x370 2018/06/01 10:46:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, 0x8c) close(0xffffffffffffffff) [ 342.690468] ? cgroup_file_name+0x1f0/0x1f0 [ 342.694836] ? css_populate_dir+0x2a2/0x420 [ 342.699198] cgroup_mkdir+0x825/0x10d0 [ 342.703148] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 342.707938] ? map_id_up+0x196/0x3c0 [ 342.711688] ? make_kprojid+0x30/0x30 [ 342.715523] ? set_nlink+0xaf/0x140 [ 342.719204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.724843] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 342.730402] ? kernfs_get_active+0xb2/0x120 [ 342.734752] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 342.739536] kernfs_iop_mkdir+0x159/0x1e0 [ 342.743707] ? getname_flags+0xd0/0x5a0 [ 342.747711] vfs_mkdir+0x42e/0x6b0 [ 342.751290] do_mkdirat+0x266/0x2f0 [ 342.754974] ? __ia32_sys_mknod+0xb0/0xb0 [ 342.759158] ? mm_fault_error+0x380/0x380 [ 342.763331] __ia32_sys_mkdirat+0x74/0xb0 [ 342.763356] do_fast_syscall_32+0x345/0xf9b [ 342.763383] ? do_int80_syscall_32+0x880/0x880 [ 342.776647] ? _raw_spin_unlock_irq+0x27/0x70 [ 342.781167] ? finish_task_switch+0x1ca/0x840 [ 342.785699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 2018/06/01 10:46:47 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x10000000) 2018/06/01 10:46:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, 0x8c) close(0xffffffffffffffff) [ 342.791270] ? syscall_return_slowpath+0x30f/0x5c0 [ 342.796227] ? sysret32_from_system_call+0x5/0x46 [ 342.801111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.806084] entry_SYSENTER_compat+0x70/0x7f [ 342.810513] RIP: 0023:0xf7fa6cb9 [ 342.813901] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 [ 342.821651] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 342.828996] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 342.836300] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 342.843599] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 342.850988] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 342.858566] cgroup: cgroup_addrm_files: failed to add 2MB.limit_in_bytes, err=-12 2018/06/01 10:46:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xf90}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:47 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390074001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:47 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000100)=0x0) perf_event_open(&(0x7f0000000040)={0x5, 0x70, 0x6, 0x2, 0x7e, 0x80000001, 0x0, 0x800, 0x10100, 0x7, 0x4, 0x0, 0x5, 0x71e, 0x3, 0x7, 0x4, 0x81, 0x0, 0x702, 0x8000, 0x8, 0xf16, 0x2, 0x3f, 0x100000000, 0x9, 0x0, 0x81bd, 0x7, 0x7f, 0x6226, 0xfffffffffffffffb, 0x7, 0x0, 0x3, 0x9, 0x2, 0x0, 0x1, 0x6, @perf_bp={&(0x7f0000000000), 0xe}, 0x8000, 0x6, 0x7f, 0x0, 0x8, 0x20, 0x9b}, r3, 0x10, r2, 0x170744f6890040bc) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:47 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x3, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000c40)={0x0, {{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, 0x8c) close(0xffffffffffffffff) 2018/06/01 10:46:47 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x700) 2018/06/01 10:46:47 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390060001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:47 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) getsockopt$IPT_SO_GET_INFO(r2, 0x0, 0x40, &(0x7f0000000000)={'raw\x00'}, &(0x7f0000000080)=0x54) 2018/06/01 10:46:47 executing program 4: r0 = syz_open_dev$sndpcmc(&(0x7f00000001c0)='/dev/snd/pcmC#D#c\x00', 0x0, 0x8200) ioctl$SG_SET_COMMAND_Q(r0, 0x2271, &(0x7f0000000200)) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x8080, 0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x3000008, 0x10, r1, 0x0) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000040)={0x0}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r2, 0xc008641d, &(0x7f0000000100)={r3, &(0x7f0000000080)=""/121}) ioctl$KVM_TPR_ACCESS_REPORTING(r2, 0xc028ae92, &(0x7f0000000240)={0x4c, 0x7fff}) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000340)=0x0) perf_event_open(&(0x7f00000002c0)={0x3, 0x70, 0x8, 0x9, 0x8, 0x3, 0x0, 0x1, 0x800, 0x1, 0x7, 0x100000001, 0x6, 0x6, 0x2, 0x2, 0x7f, 0x3, 0xffffffffffffffc0, 0xdb, 0x0, 0x80000000, 0x5, 0x9, 0x100, 0x1, 0x400, 0x7f, 0x400, 0x3, 0x81, 0x5, 0x6, 0x5, 0x6, 0x3ff, 0x5, 0x3, 0x0, 0x2, 0x0, @perf_config_ext={0xfffffffffffffed1, 0x6}, 0x8010, 0x10001, 0xffffffffffffff7f, 0x6, 0x800, 0x7, 0x3de}, r4, 0xb, r0, 0xa) ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) setsockopt$inet_int(r2, 0x0, 0x0, &(0x7f0000000000)=0x7f, 0x4) ioctl$KVM_S390_VCPU_FAULT(r0, 0x4004ae52, &(0x7f0000000280)=0xfffffffffffffffc) 2018/06/01 10:46:47 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x4}, 0x1c) 2018/06/01 10:46:47 executing program 5 (fault-call:2 fault-nth:62): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:47 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x218, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xf90}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) [ 343.457402] FAULT_INJECTION: forcing a failure. [ 343.457402] name failslab, interval 1, probability 0, space 0, times 0 [ 343.468931] CPU: 1 PID: 23042 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 343.476322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.485813] Call Trace: [ 343.488612] dump_stack+0x1b9/0x294 [ 343.492273] ? dump_stack_print_info.cold.2+0x52/0x52 [ 343.497514] should_fail.cold.4+0xa/0x1a [ 343.501755] ? __kmalloc_track_caller+0x14a/0x760 2018/06/01 10:46:47 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390005001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 343.506744] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.511889] ? cgroup_mkdir+0x825/0x10d0 [ 343.516224] ? kernfs_iop_mkdir+0x159/0x1e0 [ 343.520608] ? do_mkdirat+0x266/0x2f0 [ 343.520629] ? __ia32_sys_mkdirat+0x74/0xb0 [ 343.520651] ? do_fast_syscall_32+0x345/0xf9b [ 343.520677] ? entry_SYSENTER_compat+0x70/0x7f [ 343.537893] ? graph_lock+0x170/0x170 [ 343.541716] ? find_held_lock+0x36/0x1c0 [ 343.545826] ? print_usage_bug+0xc0/0xc0 [ 343.549923] ? find_held_lock+0x36/0x1c0 [ 343.554018] ? __lock_is_held+0xb5/0x140 2018/06/01 10:46:47 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xffff0700) [ 343.558136] ? check_same_owner+0x320/0x320 [ 343.562486] ? rcu_note_context_switch+0x710/0x710 [ 343.567446] ? rcu_read_lock_sched_held+0x108/0x120 [ 343.572491] __should_failslab+0x124/0x180 [ 343.576761] should_failslab+0x9/0x14 [ 343.580585] kmem_cache_alloc+0x2af/0x760 [ 343.584761] ? memcpy+0x45/0x50 [ 343.588103] ? kstrdup+0x59/0x70 [ 343.591515] __kernfs_new_node+0xe7/0x580 [ 343.595827] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 343.600629] ? pointer+0xa10/0xa10 [ 343.604204] ? graph_lock+0x170/0x170 2018/06/01 10:46:47 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xfd0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:47 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x4, 0x10000) ioctl$PIO_CMAP(r1, 0x4b71, &(0x7f0000000040)={0x1521, 0x0, 0x0, 0x2, 0x91, 0xffff}) [ 343.608042] ? perf_trace_lock+0x495/0x900 [ 343.612325] ? snprintf+0xa5/0xd0 [ 343.615810] ? vsprintf+0x40/0x40 [ 343.619296] kernfs_new_node+0x80/0xf0 [ 343.623214] __kernfs_create_file+0x4d/0x330 [ 343.627664] cgroup_addrm_files+0x437/0xaf0 [ 343.632029] ? cgroup_css.part.14+0x1f0/0x1f0 [ 343.636554] ? find_held_lock+0x36/0x1c0 [ 343.640673] ? __lock_is_held+0xb5/0x140 [ 343.644794] ? kasan_check_write+0x14/0x20 [ 343.649062] ? online_css+0x259/0x330 [ 343.652901] css_populate_dir+0x1a8/0x420 [ 343.657087] cgroup_apply_control_enable+0x43b/0xce0 [ 343.662252] ? cgroup_propagate_control+0x5a0/0x5a0 [ 343.667307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.672874] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 343.672895] ? cgroup_file_name+0x1f0/0x1f0 [ 343.672932] ? css_populate_dir+0x2a2/0x420 [ 343.672961] cgroup_mkdir+0x825/0x10d0 [ 343.672995] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 343.673013] ? map_id_up+0x196/0x3c0 [ 343.673037] ? make_kprojid+0x30/0x30 [ 343.673063] ? set_nlink+0xaf/0x140 2018/06/01 10:46:48 executing program 0: [ 343.673087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.681928] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 343.681947] ? kernfs_get_active+0xb2/0x120 [ 343.681964] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 343.681985] kernfs_iop_mkdir+0x159/0x1e0 [ 343.682002] ? getname_flags+0xd0/0x5a0 [ 343.682025] vfs_mkdir+0x42e/0x6b0 [ 343.690253] do_mkdirat+0x266/0x2f0 [ 343.690280] ? __ia32_sys_mknod+0xb0/0xb0 [ 343.690304] ? mm_fault_error+0x380/0x380 [ 343.717410] __ia32_sys_mkdirat+0x74/0xb0 [ 343.717436] do_fast_syscall_32+0x345/0xf9b [ 343.717460] ? do_int80_syscall_32+0x880/0x880 [ 343.763456] ? _raw_spin_unlock_irq+0x27/0x70 [ 343.768162] ? finish_task_switch+0x1ca/0x840 [ 343.772694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.778291] ? syscall_return_slowpath+0x30f/0x5c0 [ 343.783280] ? sysret32_from_system_call+0x5/0x46 [ 343.788166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.793048] entry_SYSENTER_compat+0x70/0x7f [ 343.797478] RIP: 0023:0xf7fa6cb9 [ 343.800857] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:48 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 343.808599] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 343.815886] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 343.823179] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 343.830474] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 343.837946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 343.845567] cgroup: cgroup_addrm_files: failed to add 2MB.limit_in_bytes, err=-12 2018/06/01 10:46:48 executing program 0: 2018/06/01 10:46:48 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000681300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:48 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x20000, 0x0) ioctl$SG_GET_KEEP_ORPHAN(r2, 0x2288, &(0x7f0000000040)) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r3) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xfd0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:48 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x300) 2018/06/01 10:46:48 executing program 0: 2018/06/01 10:46:48 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x4, 0x0) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control\x00', 0x200003, 0x0) 2018/06/01 10:46:48 executing program 5 (fault-call:2 fault-nth:63): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) 2018/06/01 10:46:48 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3900000a1300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="7c845ddd32b3b47876e12ee6fbb2b6fcb2aa1f92a2f971fc959bb86527f3528a4f8c015b75c9b5565f65f51778a57ff89514ce60ed8ef78fb1119b264ed7c4ddda1bae04f124e05f422f9e451b280223faa07028f74e94c42d3dd2fce7dbeea0c3ad97443a62dff11266512b8766a12d10c08a76a375631474d7715d6d312490ba228b5f3569a1a4e6f51f8450aa9c5b0783c7151cb8905c671a264404a57bb446f032ee4abb3463cc760512902c6708427c310d5b5be9bdd63c8b1367538c9f1de9c738dd625f0045e59dd20ffb41cd62c86b8d03894031a29b43627f3bc846d48dbd0496ef673040cb8364b4a7b9b262d9300085d3d1b0f438889cb8e8793a540b4d89e2d7edcb85297e2ddc13d10d7ac3a41b25bcd7f3f8f62eabdaa7cb2343d16822929f220be61a61e1277592c1b407d859edcc4fd60eb6ee153c91ed4a3394e5104c5982382bd0b46cff20963c352bc350216e3b33905ad92bb9369b87c89f24dc67bcc34bf3ad4f79e7a818aa683e3479561ed47ffd7d29c95f784100b0a83dc568df0275e3f96db1e5f70d4d509bbd899e2f1b5d17e002063c720178fc3baebea3317ee8b11b4e6b8047c1bf900fe37b0de37cf049054e1f4eef596d2fa121efb89648fb076417a56d3c6233b85b9ecb3aacdad2ae0bdb17d15d7b6153f1cfbdf4eb322fe351ca0f4b3db1925ef0696dd9a6249619c9312d511728d1c553036c1975e69ab6e3f7ca0e648d4b65edd660cf6be98c9084314a9219d873895d69cc6203941e0bf5dee2dbe7252548dbefa227d1dcb051e5416e4bc310294b114dc3ee3c09e0fb7781f59a54271603276fc67189b7d75f7534995cacca13c09209f504d6e7b115bf40d4de6f324d32e831c7d5d8b858e6ab13776c3a336837699aaa430c7534e4f295a26ede70d7147f092a54606fb3877e1fbb89a9d4e869fea0afad7e8e5e8cb5261e2f3f96fb186d64a50c37f6ab26831736476ee7856d28531eddedd48e579b31d586f01d692dba17c5651baabdd278c285d792cd1d5543bad435db51c0c7ce8f2bc16db982e51b07eb768548994a0995ceb5c7f2f78291dfb4280e0af10d1edbc259b9206a4df7605fc70333bdd742f65f1e9b04aa352d26b3c22f6b2e722d574146d4e73b3cf5eb6c55a23437ba4e575d1da42efab306e086928e011d7cd54af616047573037c11d297bfedfd1883133add138e7c2151b1529e5e553c00dda210ac2db944d665ae2eb2dccae0a7436a1b7ba993761f9b0ac466f8e39f73488d3aecfffce8700fc3877792e383ead208d1335b28a46bfa905684d6999b833beb1fdb20e60a132c4ec21de9b21fb965e0df54cac75e9a3d49cb62d083ea5975fdfedf5f1950c3a2a1a93cb26cd10c8064904dc8f0ce126b8080a567918db63f29a87ce4df1db913cd5803503968a1cad5cc9dc2e5b5be93d9ab1df46df9b49975151576878306660cec97a5ff53f65b3e2ab1b326500c6fe618f5109d011a394d44289ec1353a2c0bb3e05887d21889845ea39bcf368cea1d73b92db6251ae6ad029c0e3fd53ac707e82b487d5aa3f1104d229f6b5ff46af7b180be87ebe5c13228342a85a043a23f31103147fbd5d585264502a1cfdb520f3e319543a93584b5b7d9fefd2847f9bdd3b1c38073defb6cc7a2265b712bccdbc101df3baef810b7d447cba633a79c1d215399049ac7def93abe4f8618f947cc041fa31a296a966cec693913c750ba5d4de4b6b1e750c3a123d26ebe9f054d1b96d4e1141a180cd6fbb35251cc481b59c27bd792afc51dc8e8040b33befe222339e5e2149f947dccd0bc84fdfcf4ac5984eada6c3456ee2731c41acf1d540a24354c349fcdd0b2e574bef7699e2400c0a72e3cb15dc9e9c978069657441a5534f72965a0211d221e52136a8ec6b91ecad19cc837a73339c2705c552ea923322766af2e7b3b31e6d7706cbea316942190aa74af29b65d1319736f0911c0dc398dac87b3667eb5232de344ea309b82e23295d0c09761250acfaccedd73712cc30b8f6a70b17e8b620fa6a5b5b4d8927d7d2e5f603478aed6b2c8817485ea090c4b4bd42f63e4410b4815b668e2fd389451906b1887b99cb224a7d96835fb37607de4c4779935d222cc73572e97630b00dd711aab7aaf9d54f7f5d7d3385be0756a1cdf6489b1682bfea73ccfd292593b6cee9bb665fff8097acaaf1b9e4dbf974d03c19d463d40d753b77e8c0b9d2fc08aa5dab3c52d8310dc8df1a2d7865737cd19aa7e751aff93be9616c97b0d03ae2fdf151dd399d6b697346889f212cd1f2bb76841c78b9e8e77ec210f7c7eb69319405cc02cb55e20cd3c0bed8d5f1b671af10b11b044f0aa574212303e4cede8ed6e040f857f073981d07f1321bd86a055ebc387e5b148d20c6bba0db3ae3834ac36d7e8cb555f9caf31461014a9428a2efdece64b193ae1fee7f30615c98d493e5b7d1b2a38bac6318e175737be4f47d28226aec1bc3e526afda5d7917df5f5332ea844ea77303fea6e99b29fc32fe7c1df50565973bf55283ec07d06dff8fd97bdb5e4fe50906266bdf7c3e7cbd926408c92b5dfd09565f6e404c3e3ee081de432b973859701e2fa25263d2c11ea4b565f86eecddd3a590b8fdf426f20a2b1f948f03d2e3b37c77bc3a14a87793026e815c22abc6717a28653b96585e6be26a31591d5751e7ac5c03c07f12cd189dac86574fc8dfd6843948b34758bb25fdc0e482ebd6f792dba235ed8697559a221e016d3a531a2a1268b943b0dd9dadb5071f1b4fa2f18eb0a4269c1e8b7d7e0609b5c655324fc3b370c1bf0e926a9cbd335a3ac169da82c54556df005c6f1031af5c60ee49adf5be7aa757948f2baa081dda343bd10e6c60dfe39db1948be4100859e9f59c276d93fe68f234e8a3240ac15213f85cf0849721eaab3466810ec43486bed18c93f5cd8771c25d9c01f602bb7aca4196f7c82ba0cd04c39bf1b4f8502a8a953a857bacd565153bda03811c8bc710a019e6b31314ee262189d4f950dcdd9ac79ef9766366fb79274dce1b59c1584cb2729b570916d366f57b2457e0c2a65b3d812b6f5cd7d3fc9128e5c91137fa2183a29110d44d0862e0bfbe3ea2cf6b9c7a3d76e0ceb50392754777808d100f634a63f0759385bf31e2d20a6f90607da337b85cda763f764783d676e6af9a1f71c9108821d087318097d494210e5c440b55d5a8d538496679e2f51b3daf088fad69463a218ddb829899a05785af56da02a286f58b9d378b9478ec881f2ed375c866aae211289712c9f38f8cdbd6fa902078b9e0ae9475912b0c80ff55a2b9ec686175083068d678f745d970f6632aedd5b66d5adcfedb7b2a7deb6b41182b4aaed94cad996a43bf004f380cf1fd3a80dc863745ec15a700f6069f7964c2cca83beabca7ffaccf3667b7940b607f628a839abf7bf1a677671f95346ba62633ee4d8386f1499f0f2a37cf52479a7e8730591e617636a19d4b0c89e2b9e94e375e6f7f6de0f3588aef183afcda79ff0e7c220f00d56a9e08c1559a414decd9d1c99afa999ff93689ffe56a50ff148335e15f3a98e70c5b294a78d9430a81e1f2ef3fe24d7884776e26fd11388f3d5ba065c9f073704c9a472f4376274e1c9cce7219a5a415a62fc3c39a2ff65a8e18e499cafaa67e9581ea56215c5e1c3a0f2125619a534cb5e3fb5491777ba12104ff1adaa21f7ac6bb103e0d76717379044d6f19a6b4c9cbacd2792ccf09cf7b596215404b00aa4197c345f3e8f26c17b34f4e892976cbdd0df042355c87ae4d99597b79b87ea265871e919403b98a0e2bea2cdc1a8277a792637c2aab96f9540650ce83781902ae1ef4146611d2d364264597d0630514995b9fc37c866edc0ab62bd2260e68d4545a440416560908344b574b2ea49a57ee81617fb6c0bea92eaf802d072c25f8fcd10a76811e402a104c7d6774f1dba9cb59538c3b388771ad515d9f596d593e47498b00ac3498c91c5d5b03a02de0e903c2498902157096ee7d1a71b9c2027e9bd5961b5770a6dd0a28285652eb82c85f2cc37aedf5e08f2a86533c8b474328750f4a75478682b94029849c7410dc30f8a24da8c7bdde0722dfee4001a09c3067033876e2094718fe5edf3a7bfb3d11d2e8ba8d398365ce3302537fc7331a156052af2b5eb65bdd40f785b1ecfec0bf1b4c0015d76d74affd3909bfd339756f66830d9dfa1616d8018f510f97d025b27cf1de04639e2ec4d0aea7122e17b8e12a405c95ca1bffc3aec76e57bcd2b658811390bbbbaa61797796d5dae5de208bfe55e87114fb3c64df629dddb08e2d6f97fc0b3235e355ea98978cd675d678125b58a450161de270cfe4afbd0ec75e4c96c238934b991f02c81ac97d02b0f34b871c839f1353636d70b046a56c43629f2378674c44310072612d75831ec8bfc7afe32647867015c004e09f4e9ce79128cb4fc1812efefbea93e151f7f5a5b642602ad6d296d863d531d2e89a252279d2a3cd3edbe997afafdd6437c50a1a8fdff95ba73092da577cd230125053fc69977a2b7a0d9c48d0fdb44a9813668803410c48fc3a5cf3d592316394914a987a674a3037d1fd560a36882fed304b94d385ff2a9281f251ba4d5cf842e8003b852bef9fb524bf65346f9551b3a1f57855d82e61d2132cabe4806b20212145c990cb8e9c10614408c6ca00de3f5d498afb116dfb2c10e674e9ed26ebb6c5cb779bb296eac64ef94491435e1f65f821ad18e1dce88c4a6fd1fc821d00ed4dd1923c5eecbf8c5699c5d28ff7cd979e897c959de877049274dba2add3bebccef06806f7012ae3c27c1f49222d6ff43f7c7dd0a4eb14d8c3a69f95da67ae530bca0824521806463e533da56e0d5a394b85b7fac90f67382cd1da16da262090b31c4d42f4df43c0fec72583a79666dc8671303d6239b7d441bb7a4ff3dd928aa9b3f2c87a5444cfee33a41cd3e1009e108c87ba5d5004cd715563143d48eb9fb46365ba33d89e55e1484e2efb34e2aa2fd6d0ea9067efb58c82341531a8af1196eb7ad7cc5b2c0fcc294373e60fbc2fb8f17b7c0dbd5c90740f72dd9768b7f05d74f27c1551ca80e62cd63888b4853373a871c01cd6279681f95ace08da23fa5bd642391737b56991359c36cbf4aadeaddbfef1d44ae7e1c239ffa07b2784a41d65018ef0f68cd71aa0674c6282737bcb865eb49dc949ce2f6b8b22014cf6ed06f07fc957b17eb3fc2709fd169aae53cf4f2c03d977ed91bbe6c2e905ae26e1ca3758471e4166b37c5dd25c87f7abb3bf8bcc04f2e8059b576edcf5988835b5797e026908b20b48f340b764e3e53f8a805f7a4538952b2756b6a7794ea6d9aac343066a5e1a8ee0b708f502f1a170b099dee345b38f8fdee8bbafbb013b47430e2c406854cbe1fd41d56321c97c40b2781efecbe41557566cc00ed5b559a45d7a517be2c64de52e8dda09a965b755e84bf248786b4fe45c7337d7239580f77d43af2dadbfbc8b5c45e72dca636a8dd5efc43c1a578919c8964d2a2ca1ec15cc24676cba70606b4935db00b9b14956d1ed985012fcec12adbd8f9a54635e4949473322015b789f88c773fcde7020a2ef0ea4095196404dc923ce139c0a1787ec25518b8ae08904442b71c952e00000000000000000000000000000000ed535358796c4508259a8c71c3721feedcacaf99c6f6677a35f6d621d1cad7a543", 0xfd0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:48 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0x4000000000000000, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:48 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r2) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) [ 344.511782] FAULT_INJECTION: forcing a failure. [ 344.511782] name failslab, interval 1, probability 0, space 0, times 0 [ 344.523122] CPU: 1 PID: 23100 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 344.530610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.530621] Call Trace: [ 344.530653] dump_stack+0x1b9/0x294 [ 344.530684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 344.551569] should_fail.cold.4+0xa/0x1a [ 344.555677] ? __kmalloc_track_caller+0x14a/0x760 [ 344.560552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.565779] ? cgroup_mkdir+0x825/0x10d0 [ 344.569860] ? kernfs_iop_mkdir+0x159/0x1e0 [ 344.574204] ? do_mkdirat+0x266/0x2f0 [ 344.578078] ? __ia32_sys_mkdirat+0x74/0xb0 [ 344.582433] ? do_fast_syscall_32+0x345/0xf9b [ 344.587001] ? entry_SYSENTER_compat+0x70/0x7f [ 344.591711] ? graph_lock+0x170/0x170 [ 344.595536] ? find_held_lock+0x36/0x1c0 [ 344.599626] ? print_usage_bug+0xc0/0xc0 [ 344.603712] ? find_held_lock+0x36/0x1c0 [ 344.607809] ? __lock_is_held+0xb5/0x140 [ 344.611919] ? check_same_owner+0x320/0x320 [ 344.616275] ? rcu_note_context_switch+0x710/0x710 [ 344.621237] ? rcu_read_lock_sched_held+0x108/0x120 [ 344.626296] __should_failslab+0x124/0x180 [ 344.630573] should_failslab+0x9/0x14 [ 344.634414] kmem_cache_alloc+0x2af/0x760 [ 344.638587] ? memcpy+0x45/0x50 [ 344.641898] ? kstrdup+0x59/0x70 [ 344.645301] __kernfs_new_node+0xe7/0x580 [ 344.649479] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 344.654259] ? pointer+0xa10/0xa10 [ 344.657833] ? graph_lock+0x170/0x170 2018/06/01 10:46:49 executing program 0: 2018/06/01 10:46:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xff0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:49 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x8000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x1, 0x54842) ioctl$KVM_SET_MSRS(r1, 0x4008ae89, &(0x7f0000000040)=ANY=[@ANYBLOB="0900000000000000000000000000e5ff0700000000000000910a00000024c80002000000000000006c030000000000000100008000000000ff0b0000000000003f00000000000000970d0000000000000800000000000000c80800000000000004000000000000005a0b0000000000000100000000000000ff0b0000000000000080000000000000b2080000000000000400000000000000"]) 2018/06/01 10:46:49 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3900006c1300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 344.661661] ? perf_trace_lock+0x495/0x900 [ 344.665925] ? snprintf+0xa5/0xd0 [ 344.669399] ? vsprintf+0x40/0x40 [ 344.672886] kernfs_new_node+0x80/0xf0 [ 344.676805] __kernfs_create_file+0x4d/0x330 [ 344.681247] cgroup_addrm_files+0x437/0xaf0 [ 344.685618] ? cgroup_css.part.14+0x1f0/0x1f0 [ 344.690134] ? find_held_lock+0x36/0x1c0 [ 344.694243] ? __lock_is_held+0xb5/0x140 [ 344.698351] ? kasan_check_write+0x14/0x20 [ 344.702606] ? online_css+0x259/0x330 [ 344.706442] css_populate_dir+0x1a8/0x420 [ 344.710633] cgroup_apply_control_enable+0x43b/0xce0 [ 344.715791] ? cgroup_propagate_control+0x5a0/0x5a0 [ 344.720843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.726540] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 344.731067] ? cgroup_file_name+0x1f0/0x1f0 [ 344.735442] ? css_populate_dir+0x2a2/0x420 [ 344.739807] cgroup_mkdir+0x825/0x10d0 [ 344.743748] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 344.748533] ? map_id_up+0x196/0x3c0 [ 344.752277] ? make_kprojid+0x30/0x30 [ 344.756112] ? set_nlink+0xaf/0x140 [ 344.759779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.765354] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 344.771013] ? kernfs_get_active+0xb2/0x120 [ 344.775375] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 344.780199] kernfs_iop_mkdir+0x159/0x1e0 [ 344.784383] ? getname_flags+0xd0/0x5a0 [ 344.788399] vfs_mkdir+0x42e/0x6b0 [ 344.791975] do_mkdirat+0x266/0x2f0 [ 344.795627] ? __ia32_sys_mknod+0xb0/0xb0 [ 344.795653] ? mm_fault_error+0x380/0x380 [ 344.795679] __ia32_sys_mkdirat+0x74/0xb0 [ 344.808338] do_fast_syscall_32+0x345/0xf9b 2018/06/01 10:46:49 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390060001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:49 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x500) [ 344.812701] ? do_int80_syscall_32+0x880/0x880 [ 344.817609] ? _raw_spin_unlock_irq+0x27/0x70 [ 344.822172] ? finish_task_switch+0x1ca/0x840 [ 344.826793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.832459] ? syscall_return_slowpath+0x30f/0x5c0 [ 344.837429] ? sysret32_from_system_call+0x5/0x46 [ 344.842305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.847191] entry_SYSENTER_compat+0x70/0x7f [ 344.851624] RIP: 0023:0xf7fa6cb9 [ 344.855003] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:49 executing program 4: open(&(0x7f0000000080)='./file0\x00', 0x480100, 0x40) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) signalfd(r0, &(0x7f0000000040)={0xfff}, 0x8) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x40000, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) [ 344.862924] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 344.870336] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 344.877993] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 344.887134] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 344.894441] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 344.902224] cgroup: cgroup_addrm_files: failed to add 2MB.limit_in_bytes, err=-12 2018/06/01 10:46:49 executing program 0: 2018/06/01 10:46:49 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0xe000000, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:49 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') ioctl$LOOP_SET_FD(r0, 0x4c00, r2) fremovexattr(r1, &(0x7f0000000100)=@random={'security.', '/dev/loop#\x00'}) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) renameat(r2, &(0x7f0000000000)='./file0\x00', r2, &(0x7f0000000040)='./file0\x00') syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x1, 0x101000) bind$inet(r2, &(0x7f0000000140)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x15}}, 0x10) 2018/06/01 10:46:49 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xfffffff6) 2018/06/01 10:46:49 executing program 0: 2018/06/01 10:46:49 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xff0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:49 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) ioctl$EVIOCSABS3F(r1, 0x401845ff, &(0x7f0000000000)={0x7f, 0xffffffffffffffff, 0x9, 0x100000000, 0xfffffffffffffffa, 0x5}) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) 2018/06/01 10:46:49 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39006c001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:49 executing program 5 (fault-call:2 fault-nth:64): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x100f) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0xbcb}, 0x8) setsockopt$netlink_NETLINK_NO_ENOBUFS(r0, 0x10e, 0x5, &(0x7f0000000080)=0x7cea2bf2, 0x4) r1 = memfd_create(&(0x7f00000000c0)='-::-cgroupkeyring:user\x00', 0x2) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f0000000100)={0x3, 0xcd}) [ 345.543665] FAULT_INJECTION: forcing a failure. [ 345.543665] name failslab, interval 1, probability 0, space 0, times 0 [ 345.555131] CPU: 1 PID: 23153 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #103 [ 345.562530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.571910] Call Trace: [ 345.574541] dump_stack+0x1b9/0x294 [ 345.578207] ? dump_stack_print_info.cold.2+0x52/0x52 [ 345.583447] should_fail.cold.4+0xa/0x1a [ 345.587544] ? __kmalloc_track_caller+0x14a/0x760 [ 345.592435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.597568] ? cgroup_mkdir+0x825/0x10d0 [ 345.601657] ? kernfs_iop_mkdir+0x159/0x1e0 [ 345.606014] ? do_mkdirat+0x266/0x2f0 [ 345.609850] ? __ia32_sys_mkdirat+0x74/0xb0 [ 345.614206] ? do_fast_syscall_32+0x345/0xf9b [ 345.618735] ? entry_SYSENTER_compat+0x70/0x7f [ 345.623364] ? graph_lock+0x170/0x170 [ 345.627192] ? find_held_lock+0x36/0x1c0 [ 345.631289] ? print_usage_bug+0xc0/0xc0 [ 345.635741] ? find_held_lock+0x36/0x1c0 [ 345.639847] ? __lock_is_held+0xb5/0x140 [ 345.643980] ? check_same_owner+0x320/0x320 [ 345.648370] ? rcu_note_context_switch+0x710/0x710 [ 345.653332] ? rcu_read_lock_sched_held+0x108/0x120 [ 345.658394] __should_failslab+0x124/0x180 [ 345.662676] should_failslab+0x9/0x14 [ 345.666513] kmem_cache_alloc+0x2af/0x760 [ 345.670687] ? memcpy+0x45/0x50 [ 345.674017] ? kstrdup+0x59/0x70 [ 345.677509] __kernfs_new_node+0xe7/0x580 [ 345.681691] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 345.686493] ? pointer+0xa10/0xa10 [ 345.690087] ? kasan_check_write+0x14/0x20 [ 345.694360] ? snprintf+0xa5/0xd0 [ 345.697841] ? vsprintf+0x40/0x40 [ 345.701318] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 345.705842] kernfs_new_node+0x80/0xf0 [ 345.709763] __kernfs_create_file+0x4d/0x330 [ 345.714202] cgroup_addrm_files+0x437/0xaf0 [ 345.718562] ? cgroup_css.part.14+0x1f0/0x1f0 [ 345.723080] ? find_held_lock+0x36/0x1c0 [ 345.727179] ? __lock_is_held+0xb5/0x140 [ 345.727217] ? kasan_check_write+0x14/0x20 [ 345.727238] ? online_css+0x259/0x330 [ 345.735562] css_populate_dir+0x1a8/0x420 2018/06/01 10:46:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0xff0}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:50 executing program 0: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="0047fc2f07d82c99240970") r1 = socket(0x15, 0x80005, 0x0) getsockopt(r1, 0x1000200100000114, 0x2713, &(0x7f0000000080)=""/1, &(0x7f0000000280)=0x32) [ 345.735592] cgroup_apply_control_enable+0x43b/0xce0 [ 345.735627] ? cgroup_propagate_control+0x5a0/0x5a0 [ 345.743567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.743587] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 345.743607] ? cgroup_file_name+0x1f0/0x1f0 [ 345.768066] ? css_populate_dir+0x2a2/0x420 [ 345.768093] cgroup_mkdir+0x825/0x10d0 [ 345.776328] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 345.781102] ? map_id_up+0x196/0x3c0 [ 345.784839] ? make_kprojid+0x30/0x30 [ 345.788668] ? set_nlink+0xaf/0x140 [ 345.792328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.798077] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 345.803639] ? kernfs_get_active+0xb2/0x120 [ 345.807991] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 345.812783] kernfs_iop_mkdir+0x159/0x1e0 [ 345.816948] ? getname_flags+0xd0/0x5a0 [ 345.820972] vfs_mkdir+0x42e/0x6b0 [ 345.824544] do_mkdirat+0x266/0x2f0 [ 345.828207] ? __ia32_sys_mknod+0xb0/0xb0 [ 345.832377] ? mm_fault_error+0x380/0x380 [ 345.836558] __ia32_sys_mkdirat+0x74/0xb0 [ 345.840743] do_fast_syscall_32+0x345/0xf9b 2018/06/01 10:46:50 executing program 0: clone(0x200, &(0x7f0000b6b000), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000000240)) mknod(&(0x7f0000000100)='./file0\x00', 0x1040, 0x0) execve(&(0x7f0000ee6ff8)='./file0\x00', &(0x7f00000000c0), &(0x7f0000775000)) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='io\x00') pread64(r0, &(0x7f00009f3000), 0x352, 0x0) pread64(r0, &(0x7f0000000140)=""/170, 0x93, 0x10000000000000) open$dir(&(0x7f0000296ff8)='./file0\x00', 0x27e, 0x0) [ 345.845094] ? do_int80_syscall_32+0x880/0x880 [ 345.849699] ? _raw_spin_unlock_irq+0x27/0x70 [ 345.854269] ? finish_task_switch+0x1ca/0x840 [ 345.858803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.864371] ? syscall_return_slowpath+0x30f/0x5c0 [ 345.869511] ? sysret32_from_system_call+0x5/0x46 [ 345.874389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.879275] entry_SYSENTER_compat+0x70/0x7f [ 345.883698] RIP: 0023:0xf7fa6cb9 [ 345.887088] RSP: 002b:00000000f5fa20ac EFLAGS: 00000282 ORIG_RAX: 0000000000000128 2018/06/01 10:46:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1000}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:50 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="3900f0001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) [ 345.894827] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000000 [ 345.902134] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 345.909427] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 345.916726] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 345.924026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 345.931627] cgroup: cgroup_addrm_files: failed to add 2MB.usage_in_bytes, err=-12 2018/06/01 10:46:50 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x305200, 0x0) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0xc013, 0x3ff, 0x10001, 0x100000000, 0x40, 0x2, 0x6, 0x4, 0x101, 0xfff, 0x1000000000000000}, 0xb) 2018/06/01 10:46:50 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x1b1e735b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='cpuset\x00') r3 = gettid() fcntl$setownex(r0, 0xf, &(0x7f0000000000)={0x2, r3}) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f0000000040)={0x0, 0x84, &(0x7f0000000100)=[@in6={0xa, 0x4e21, 0x3, @mcast1={0xff, 0x1, [], 0x1}, 0x6115}, @in6={0xa, 0x4e24, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, @in={0x2, 0x4e24, @broadcast=0xffffffff}, @in6={0xa, 0x4e21, 0x4, @loopback={0x0, 0x1}, 0xfffffffffffff3db}, @in={0x2, 0x4e22, @broadcast=0xffffffff}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x14}}]}, &(0x7f0000000080)=0xc) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000200)={r4, 0x6}, &(0x7f0000000280)=0x8) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r1) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 2018/06/01 10:46:50 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="390000071300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:50 executing program 1: r0 = gettid() r1 = socket$inet(0x2, 0x10000000001, 0x0) setsockopt$inet_opts(r1, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5) connect$inet(r1, &(0x7f0000000300)={0x2, 0xfeffffff00000000, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000583ffc)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x15) 2018/06/01 10:46:50 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0x700000000000000) 2018/06/01 10:46:50 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/loop-control\x00', 0x0, 0x0) r1 = add_key(&(0x7f0000000000)='rxrpc_s\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000080)="6fd9b0e00555a52fe1b18faa6c1e3d36ab3453d0c11714f6ad8d3061908a9794c718759450e28dc9892fa8d01ab47359bceca447f6c4d3bcf51f30a745fd2eb032090997eaa81b16e55f4ada2b8f141c0efa3aeb41dc39a26022aac06cc2a7070220cec084cc7a3a2c4f7c2bf47f90f038d4286364febf1808", 0x79, 0xfffffffffffffff9) keyctl$clear(0x7, r1) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) r2 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0x6, 0x101000) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r2, 0xc2c45512, &(0x7f00000001c0)={{0x3, 0x6, 0x1, 0x100000000, "6be163c66e39075ddafb21869cac8694d4847b8c6dfaf85bcb448f3b2257a6402c9a288bf38f06ec40147c26", 0x7}, 0x8, [0x4, 0xfffffffffffffff8, 0x7fffffff, 0x7f, 0x6, 0x7, 0xc50, 0x9, 0x8001, 0x0, 0xd34, 0x7, 0x9, 0x8001, 0x2, 0x10000, 0x20, 0x8, 0xb89, 0x1000, 0x587, 0x3, 0x0, 0x8, 0x6, 0xffff, 0x100000001, 0x0, 0x100, 0xaba, 0x6, 0x6, 0x5, 0x822, 0xffffffff, 0x8, 0x9, 0x9, 0x7, 0x6, 0xfff, 0x2, 0x7, 0xe7dd, 0x9, 0x53e, 0x1, 0x1f, 0x2, 0x0, 0x5, 0x0, 0x7, 0x4, 0x18b8, 0x6, 0x3, 0x401, 0x9, 0x11c, 0x6, 0x4, 0x2, 0x4000000000000000, 0x0, 0x3, 0x80, 0x5, 0x8, 0x1, 0x5, 0x9, 0x3899, 0x2, 0x5, 0x6, 0x7, 0x8, 0x4, 0x400, 0x800, 0x10000, 0x4, 0x5, 0x4, 0x4, 0xff, 0x6, 0x0, 0x5, 0x3ff, 0x8, 0x1f, 0x8000, 0x6, 0x60, 0x9, 0xffffffffffff9167, 0x101, 0x8, 0x6, 0x9, 0x4, 0x8001, 0x401, 0x3, 0x4, 0x5, 0x62, 0x200, 0xc9c, 0x10000, 0xdf, 0x80, 0x7f, 0x100, 0x9, 0x1ff, 0x7, 0x6, 0x3, 0x4, 0x200, 0x101, 0x6f, 0xffff, 0x4, 0x4], {0x77359400}}) 2018/06/01 10:46:50 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000999000)="39007a001300096900bb61e1c3ef846f650ec17d0e000000450000002000000019000a000d0000000000280f00000007fd17e9ffff06060400", 0x39}], 0x1) 2018/06/01 10:46:50 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000dc1000)="71e67a15cdf0319fa22748f9a91c66b3", 0x10) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000003c0)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000017c0)="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", 0x1000}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000500)=""/220, 0x200005dc}], 0x1, &(0x7f0000000280)=""/91, 0x5b}, 0x0) 2018/06/01 10:46:50 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) socketpair$inet(0x2, 0xa, 0x8, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r1, 0x1, 0x400f, &(0x7f0000000240)=0x1000, 0x4) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$TIOCLINUX5(r2, 0x541c, &(0x7f0000000140)={0x5, 0x5, 0x100000001, 0x0, 0x4}) r4 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r4, &(0x7f0000000040)=@pppol2tp={0x18, 0x1, {0x0, r3, {0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 0x3, 0x1, 0x4, 0x7fff}}, 0x26) r5 = creat(&(0x7f0000000180)='./file0\x00', 0x0) ioctl$SIOCGIFMTU(r5, 0x8921, &(0x7f0000000100)) ioctl$TCSETAF(r5, 0x5408, &(0x7f00000001c0)={0x1, 0xa3bc, 0x5, 0x1ec2c7af, 0x7, 0x2, 0x5, 0x3, 0x6, 0x7fff}) 2018/06/01 10:46:50 executing program 7: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snapshot\x00', 0x1, 0xffff070000000000)