0000}) 2018/04/06 07:05:39 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x29}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:39 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:39 executing program 3: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl\x00', 0x4080, 0x0) fstat(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) r2 = getgid() lchown(&(0x7f0000000200)='./file0\x00', r1, r2) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000003c0)=ANY=[@ANYBLOB="0100aaaaaa0000000000000000000000000000000002a0b8a7367ca47365aef01777cf05d9a421404540640251205273469f0f8132398a9952ce25cbd29957e4ef4a0b471c7f07bcb846ba6e7ef5cf3169d6f0624463e473c0feecc779c6557bd9f413612bb40c751b462415609cb25737a9d36cd694aa40ea358e90bbddafe5daf14a0ec7b91b00a4043ae04ba7d65e063771498b4c23"]) creat(&(0x7f0000000380)='./file0\x00', 0x6) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f00006ee000)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) pipe2(&(0x7f0000000700)={0x0, 0x0}, 0x0) mmap(&(0x7f0000000000/0x7f2000)=nil, 0x7f2000, 0x3, 0x31, 0xffffffffffffffff, 0x0) pipe2(&(0x7f00007f2000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) vmsplice(r4, &(0x7f0000e79000)=[{&(0x7f00003fb000)="f7", 0x1}], 0x1, 0x0) r5 = semget$private(0x0, 0x40000000000, 0x2000) semctl$GETALL(r5, 0x0, 0xd, &(0x7f0000000100)=""/209) mbind(&(0x7f00003b5000/0x800000)=nil, 0x800000, 0x0, &(0x7f0000001ff8), 0x1, 0x2) clock_gettime(0x0, &(0x7f0000000000)) ioctl$sock_inet_SIOCGIFBRDADDR(0xffffffffffffffff, 0x8919, &(0x7f0000000080)={'teql0\x00', {0x2, 0x0, @dev={0xac, 0x14, 0x14}}}) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, 0x0, 0x10, &(0x7f0000000040)={0xffffffffffffffc0}) r6 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r7 = eventfd2(0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(r6, 0xae60) ioctl$KVM_ENABLE_CAP(r6, 0x4068aea3, &(0x7f00000002c0)={0x81, 0x0, [0x2, 0x0, 0x0, 0x3f]}) r8 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) ioctl$KVM_IRQFD(r6, 0x4020ae76, &(0x7f00000b1000)={r7, 0x0, 0x2, r7}) ioctl$PPPIOCSFLAGS(r4, 0x40047459, &(0x7f0000000340)=0x210) ioctl$KVM_RUN(r8, 0xae80, 0x0) 2018/04/06 07:05:39 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000140)) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000040)) socket$nl_route(0x10, 0x3, 0x0) 2018/04/06 07:05:39 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000240)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") pread64(r0, &(0x7f0000003c00)=""/4096, 0xffffff72, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x27, &(0x7f000001b000)={@multicast2=0xe0000002, @loopback=0x7f000001, @dev={0xac, 0x14}}, 0xc) lstat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x2a, &(0x7f0000008000)={0x1, {{0x2, 0x0, @multicast2=0xe0000002}}}, 0x90) r2 = socket$inet_udp(0x2, 0x2, 0x0) dup2(r1, r2) getsockopt$inet_buf(r2, 0x0, 0x30, &(0x7f0000008000)=""/144, &(0x7f0000000040)=0x90) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000080)={{{@in6=@loopback, @in=@multicast2}}, {{@in=@rand_addr}, 0x0, @in6=@local}}, &(0x7f0000000000)=0xe8) 2018/04/06 07:05:39 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\t', 0x0) 2018/04/06 07:05:39 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x80fe}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:39 executing program 5: r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000d81ff8)=0x101) pipe2(&(0x7f0000989000)={0xffffffffffffffff}, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000bc8000)={0xaa}) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = creat(&(0x7f000009aff8)='./file0\x00', 0x0) write$sndseq(r3, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) chown(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) lsetxattr(&(0x7f0000000280)='./file0\x00', &(0x7f0000000100)=ANY=[@ANYBLOB="732c8ba0f08d7c77e6251c0580f05801edbcb9819edda2021a76daee9524bc83a026c3f713f739bc958788719f93db47b2d3a3911dd6089e86a724e16534c910f2b9fab92e458e860c9ff10bf270f049a91996974b4e3a0ebb3dc51a93f048a8c31975c326756fe98a1ffaf1c77d0dbbdff7dc321873e56b091afb3695e70024509534"], &(0x7f0000000300)='jfs\x00', 0x4, 0x0) dup2(r1, r2) 2018/04/06 07:05:39 executing program 4: perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = accept$inet6(0xffffffffffffffff, &(0x7f0000000700)={0x0, 0x0, 0x0, @local}, &(0x7f0000000740)=0x1c) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000780), &(0x7f0000000800)=0x4) r2 = perf_event_open(&(0x7f0000001f88)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000bf0000/0x2000)=nil, 0x2000, 0x0, 0x11, r2, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r2) mmap(&(0x7f0000941000/0x2000)=nil, 0x2000, 0x0, 0x4011, r0, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000900)=0x0) accept4$ax25(0xffffffffffffff9c, &(0x7f0000000380), &(0x7f0000000480)=0x10, 0x80000) r4 = syz_open_procfs(0x0, &(0x7f0000000040)="2f65786500000000000090d8b75e67e16b394342abb5158df87ea8984e79c93df7498b2b34796068700e29fbd789f9a031f23e16c96e30baed2961953b057f7a3222943acc4b8cfa4de553f8276731ddeb811efd44ea011e1a0db9074a28a826c88566b89c57cc3cca4aec41d37fa27c8daa19030d03139d0aea71d509d9a20ba7deceb656cc1308d9d1f111b6bd1595486f55e229923be4ed8cbfb78e86280b4cacf386bfa8840afb312a4c520a03b27f805d181bd09ea208931a36e888060a2d") ioctl$DRM_IOCTL_WAIT_VBLANK(r4, 0xc018643a, &(0x7f0000000500)={0x10000000, 0x0, 0x3}) connect$packet(r4, &(0x7f0000002a00)={0x11, 0x0, 0x0, 0x1, 0x4, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x15}}, 0x14) fsetxattr(r4, &(0x7f0000000140)=@known='user.syz\x00', &(0x7f0000000180)="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", 0x137, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000600)={0x1f, 0x100000001, 0x5, 0x8, 0x0, 0x3da, 0x0, 0xffffffff}, &(0x7f00000007c0)=0x20) fremovexattr(0xffffffffffffffff, &(0x7f0000000000)=@known='user.syz\x00') sched_getscheduler(r3) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000004000)={0x4b, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="0c6300003a36678842f095eb5b8d4a9c0b2a865c8300e4c3bc068efd34e3fae605690390293986836dd180833d57526cfbcdb5a0f810cd2b64bc55b03265da5599b123710b2d87c418c6aa"], 0x0, 0x0, &(0x7f0000005000)}) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x400400, 0x0) ioctl$TUNSETPERSIST(r5, 0x400454cb, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(0xffffffffffffffff, 0x40046207, 0x0) ioctl$BINDER_GET_NODE_DEBUG_INFO(r5, 0xc018620b, &(0x7f0000000540)={0x0}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f000000ffd0)={0xb0, 0x0, &(0x7f0000000640)=[@free_buffer={0x40086303, r6}, @increfs={0x40046304, 0x2}, @acquire_done={0x40106309, r6, 0x3}, @decrefs={0x40046307, 0x1}, @decrefs={0x40046307}, @transaction_sg={0x40486311, {{0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x28, &(0x7f0000000580)=[@flat={0x776a2a85, 0x1, r6}, @fda={0x66646185, 0x8, 0x2, 0x28}], &(0x7f00000005c0)=[0x20, 0x28, 0x20, 0x48, 0x18]}}}, @release={0x40046306, 0x3}, @increfs={0x40046304}, @acquire={0x40046305, 0x3}, @increfs_done={0x40106308, r6, 0x2}], 0x1, 0x0, &(0x7f00000000c0)='b'}) r7 = mmap$binder(&(0x7f000000c000/0x2000)=nil, 0x2000, 0x0, 0x12, 0xffffffffffffffff, 0x0) ioctl$sock_ipx_SIOCSIFADDR(r5, 0x8916, &(0x7f00000002c0)={'bcsh0\x00', {0x4, 0x9, 0x8, "73232b7d92be", 0x1c27}}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000040)={0x14, 0x0, &(0x7f0000000000)=[@acquire_done={0x40486311}], 0x0, 0x0, &(0x7f0000011f9d)}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000100), 0xfffffffffffffdd0, 0x0, &(0x7f0000000180)}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000340)={0xa0, 0x0, &(0x7f0000000940)=ANY=[@ANYBLOB="01634040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", @ANYPTR=&(0x7f00000001c0)=ANY=[], @ANYPTR=&(0x7f0000000200)=ANY=[], @ANYBLOB="03630840", @ANYRES64=r7, @ANYBLOB="12634840000000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000", @ANYPTR=&(0x7f0000000280)=ANY=[@ANYBLOB="852a646600000000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], @ANYPTR=&(0x7f00000002c0)=ANY=[], @ANYBLOB="fbffffffffffffff0c630000688cb13c738728d7d07a752b658b9fad17129a3751ab4d3cb5799290b2026ebf3efc5c3b200be090ddaf47cae2b479fdda716f439333ab6d9e1a05776483b5e91b608c6411275741b7f16068604fba6d95f3878f2262cdf3a35774a091dd157571311e660ff779d0c054f70b8e2d03e9bf9ee46741c72940ca8f71a16839e82d359f340b2d1da22e2e4d30c872e69b7a657893aa8a8ba8ebe9d386323fb153d89dac25fe336ea18ad0246d42"], 0x0, 0x0, &(0x7f0000000500)}) mremap(&(0x7f00003fb000/0x400000)=nil, 0x400000, 0x800000, 0x3, &(0x7f00007fb000/0x800000)=nil) listen(0xffffffffffffffff, 0x0) acct(&(0x7f0000000300)='./file0\x00') 2018/04/06 07:05:40 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\t', 0x0) 2018/04/06 07:05:40 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x600000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:40 executing program 0: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:40 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='%/file0//ile0\x00', 0x0) 2018/04/06 07:05:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'aead\x00', 0x0, 0x0, 'echainiv(ccm(camellia))\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000b", 0x10) sendmmsg$alg(r1, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f0000000640)=[{&(0x7f0000000780)="cb97ebcc41a70767", 0x8}], 0x1, &(0x7f0000000200)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r0, &(0x7f0000000480)={&(0x7f0000000040)=@nfc_llcp, 0x80, &(0x7f0000b9c000), 0x0, &(0x7f0000da2000)}, 0x0) 2018/04/06 07:05:40 executing program 5: perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x70, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 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$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x12400040}, 0xc, &(0x7f0000000040)={&(0x7f0000000240)={0x110c, 0x2, 0x6, 0x20, 0x70bd27, 0x25dfdbfc, {0x0, 0x0, 0x4}, [@generic="4a6acf3ded1f7186eaabdce194d90499de14a9f8c44f8163a1520dbe7e", @generic="0c6aec5b8d3ab9216a2be5559d024a0515a790f8b81753bf932b9c212c42778f2e3f6c56d3984fa16d10a63194c015af2eccb88c", @generic="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", @generic="9171a38ed541222f6b3959b06a602c04d911f1375ec2921a6e8574c66096a16dffb2b2ef967004e63806d7502d25f2a449ba7cb103fc809460e192e093fa8b9650757ef99739940d8cae243aa7a1da1ae56a8db6feb24ccbb62ede206e312e71d1f848deec9515eed12a4fa92df82878c6f915223c0ebe4823a22d7a705cb382267a03c83a85fb2c0b5abd20a76cd68d6d77bd5483fcee201ae5007d45a6492aee36be2046"]}, 0x110c}, 0x1, 0x0, 0x0, 0x4010}, 0x4000) sendmsg$nl_netfilter(r0, &(0x7f0000065000)={&(0x7f000029d000)={0x10}, 0xc, &(0x7f0000402ff2)={&(0x7f0000000140)=ANY=[@ANYBLOB="1c0000000506010000000000000000000000000008000100040000009c364f4c232df72210247cf00aa142db1a76f8dc5d20353f575f49a74c7e3d9201e12a628a19f17da92bb488e9476cf145a5c8980d4b2a5e2208ad6eabe9cee9dd26789551f6fa0ddacfc879d299f60d40de7b457021f2da2e9b3afc419054bbcfc35b0b4b86b5aec636e0db0eec2c91cee10d940fa7697aa238746d8d90c59143dbbdf8dceb68a731435e4b2c229649e0793bb24d43396629e438fa2cd6ee457560bca75c2d07bc099b521f"], 0x1c}, 0x1}, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000080), &(0x7f0000000100)=0x10) 2018/04/06 07:05:40 executing program 4: socket(0x18, 0x0, 0x2) 2018/04/06 07:05:40 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:40 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000057fee)='/dev/input/event#\x00', 0x4, 0x0) ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f00002e2000)={0xffffffffffffffff, 0x0, &(0x7f000056b000)}) ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f00000000c0)={0x2, 0xb2, &(0x7f0000000100)="f22cadcfe1ac12255a4ef37f71ccff204762b0da40a130dc2983c76a1897bd70ace53fcb504c18febd210db3ecdbb3f7178907abb3b7fac8d3eccef5d6c8dacee411a28998bc1c79dddf57ab8207fc64af183cb74fd7465ea0d97a76e644dd27cccd229f5457fddc0918df1e36d730fac03120968d67030f58c654e66c5cee72928d4dd11190c33a8d2f780d7d4faddfbf9cba9290f770fa36667d23a254072855f447f4850dcb4ee8c5c7b374a27c677acd"}) 2018/04/06 07:05:40 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x3f00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:40 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653002", 0x0) 2018/04/06 07:05:41 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='//file0//ile0\x00', 0x0) [ 487.172561] netlink: 'syz-executor5': attribute type 1 has an invalid length. [ 487.193306] netlink: 'syz-executor5': attribute type 1 has an invalid length. 2018/04/06 07:05:41 executing program 4: r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x4, 0x20845) sendfile(r0, r0, 0x0, 0x80) getsockopt$inet_mreqsrc(r0, 0x0, 0x2e, &(0x7f0000000500)={@empty, @rand_addr, @dev}, &(0x7f0000000540)=0x1c8) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000080)={0x6, 0xffffffffffffff9c, 0x1}) r1 = syz_open_dev$audion(&(0x7f00000000c0)='/dev/audio#\x00', 0x6, 0x2) r2 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x7ff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f00000005c0)) preadv(r1, &(0x7f00000003c0)=[{&(0x7f0000000200)=""/242, 0xf2}, {&(0x7f0000000300)=""/141, 0x8d}], 0x2, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x40082406, &(0x7f00007a2f6d)="776c616e2edd7913a95efc703c42149062b4cd183bd417f3147a8d7a8b39d1dc5775b092c4f0334e41e8f2c016c81942e88dfe5271da37afb86826b19a6d2f4232d66fe7d1ac1b00425ec8af29d4beeeee292f0f919df5f6e1fffffffffffffff78c8823ee6e5747211bff4f5f3aaa4ca6640ecdcc4aa0c2a73f51397156b61e2795711b1839f51c493fdd0b1a37c4e560d9ad") ioctl$EVIOCGLED(r1, 0x80404519, &(0x7f0000000100)=""/239) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000400)={0x0}, &(0x7f0000000440)=0xc) syz_open_procfs(r3, &(0x7f0000000480)='task\x00') 2018/04/06 07:05:41 executing program 5: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) ioctl$LOOP_CLR_FD(r0, 0x7001) unlinkat(r0, &(0x7f0000000040)='./file0\x00', 0x0) 2018/04/06 07:05:41 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x3f000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:41 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:05:41 executing program 3: sendmsg$IPVS_CMD_SET_INFO(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="0000494796fec733af0000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000e000000"], 0x14}, 0x1}, 0x0) r0 = socket(0x11, 0x4000000000080003, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x40, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000000180)={0x4b, 0x1, 0x4}) socket$unix(0x1, 0x7, 0x0) sendmmsg(r0, &(0x7f0000003e80)=[{{&(0x7f0000000040)=@in6={0xa, 0x0, 0x3, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000000300), 0x3d9, &(0x7f0000000280)}}, {{&(0x7f0000000080)=@nfc_llcp={0x27, 0x1, 0x0, 0x0, 0x0, 0x0, "99066c9aa4c2fbbf0aecb573b9d1bdc8be397716e627f0d1865ea32e0822c1026f14d27d9eb2214e9b34beb87de5d3aab05c161c037b28907fcb4fa979f696"}, 0x60, &(0x7f0000000f80), 0x0, &(0x7f0000000000), 0x98}}], 0x2, 0x0) 2018/04/06 07:05:41 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./.ile0//ile0\x00', 0x0) 2018/04/06 07:05:41 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0xef) read(r0, &(0x7f0000004f45)=""/187, 0xbb) setsockopt$inet6_int(r0, 0x29, 0x35, &(0x7f00000000c0)=0x40004, 0x6f) sendto$inet6(r0, &(0x7f0000001ffe), 0x0, 0x0, &(0x7f0000003000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) clock_gettime(0x0, &(0x7f0000000000)={0x0, 0x0}) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000040)={r1, r2/1000+30000}, 0x10) 2018/04/06 07:05:41 executing program 3: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000007000)={'vcan0\x00', 0x0}) bind$can_raw(r0, &(0x7f0000000040)={0x1d, r1}, 0x1) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@loopback, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@loopback}}, &(0x7f00000001c0)=0xe8) lstat(&(0x7f0000000200)='./file0\x00', &(0x7f0000000240)) r3 = getegid() syz_fuseblk_mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='./file0\x00', 0x2, r2, r3, 0x0, 0x7f, 0x1000000) 2018/04/06 07:05:41 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653003", 0x0) 2018/04/06 07:05:41 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='.//ile0//ile0\x00', 0x0) 2018/04/06 07:05:41 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:41 executing program 0 (fault-call:3 fault-nth:0): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:41 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f00008fc000)=0x8, 0x4) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00004acffc)={0x0, 0x7}, 0xed) setsockopt$packet_buf(r0, 0x107, 0x16, &(0x7f0000a76000), 0x0) signalfd(r0, &(0x7f0000000000)={0x7d}, 0x8) 2018/04/06 07:05:41 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xc0ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:41 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000003140)=[{0x0, 0x0, &(0x7f0000001340)=[{&(0x7f0000000740)="7312c1a72ce67ebfde5fd3d7cdc5af48a5", 0x11}], 0x1, &(0x7f00000013c0)}], 0x1, 0x0) ioctl$sock_netdev_private(r1, 0x89fb, &(0x7f0000001380)="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") recvmsg(r1, &(0x7f0000b2dfc8)={&(0x7f00007ebffa)=@hci, 0x80, &(0x7f0000000040)=[{&(0x7f0000000440)=""/192, 0xc0}], 0x1, &(0x7f0000000080)=""/107, 0x6b}, 0x0) 2018/04/06 07:05:41 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 488.114686] FAULT_INJECTION: forcing a failure. [ 488.114686] name failslab, interval 1, probability 0, space 0, times 0 [ 488.126069] CPU: 0 PID: 27176 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 488.132921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 488.142274] Call Trace: [ 488.144863] dump_stack+0x1b9/0x29f [ 488.148496] ? arch_local_irq_restore+0x52/0x52 [ 488.153170] should_fail.cold.4+0xa/0x1a [ 488.157226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 488.162320] ? find_held_lock+0x36/0x1c0 [ 488.166382] ? find_held_lock+0x36/0x1c0 [ 488.170452] ? check_same_owner+0x320/0x320 [ 488.174766] ? rcu_note_context_switch+0x710/0x710 [ 488.179691] should_failslab+0x124/0x180 [ 488.183744] kmem_cache_alloc+0x2af/0x760 [ 488.187890] getname_flags+0xd0/0x5a0 [ 488.191683] do_mkdirat+0xbd/0x2f0 [ 488.195216] ? SyS_mknod+0x40/0x40 [ 488.198749] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 488.203581] ? do_syscall_64+0xb7/0x9d0 [ 488.207545] SyS_mkdir+0x22/0x30 [ 488.210902] ? SyS_mkdirat+0x30/0x30 [ 488.214609] do_syscall_64+0x29e/0x9d0 [ 488.218485] ? vmalloc_sync_all+0x30/0x30 [ 488.222624] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 488.227459] ? syscall_return_slowpath+0x5c0/0x5c0 [ 488.232377] ? syscall_return_slowpath+0x30f/0x5c0 [ 488.237311] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 488.242670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 488.247507] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 488.252683] RIP: 0033:0x4552d9 [ 488.255858] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 2018/04/06 07:05:42 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x2}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:42 executing program 5: r0 = inotify_init1(0x0) connect$ipx(0xffffffffffffffff, &(0x7f0000000240)={0x4, 0x0, 0x0, "6a90df8456c4"}, 0x10) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000040)={0xffffffffffffffff}) setsockopt$inet_sctp6_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080)={0x1, 0x7, 0x1, 0x800}, 0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000000)={0x0, 0x0}) r3 = getpgrp(0x0) kcmp(r3, r2, 0x2, 0xffffffffffffffff, 0xffffffffffffffff) [ 488.263556] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 488.270813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 488.278081] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 488.285337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 488.292593] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000000 2018/04/06 07:05:42 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x200000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:42 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./f.le0//ile0\x00', 0x0) 2018/04/06 07:05:42 executing program 3: mkdir(&(0x7f0000029ff6)='./control\x00', 0x0) r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f000001eff6)='./control\x00', 0xa4000960) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x400, 0x181182) getresuid(&(0x7f0000000080)=0x0, &(0x7f00000000c0), &(0x7f0000000100)) lstat(&(0x7f0000000140)='./control/file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getpgid(0xffffffffffffffff) sendmsg$nl_generic(r1, &(0x7f00000015c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000001580)={&(0x7f0000001600)=ANY=[@ANYBLOB="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", @ANYRES32=r0, @ANYBLOB="9400430093283bfe02df22adeaac50091e52b84da862c4c2144b719e892e37d5af137cd92656582f909e380412f6f834257777910bc88367068b6d3e2e57a5bd3f286936b58357f95e6a8c3482e75af7b387ebf382a320d79e0013ccf4dbce113f31ccaa2d9754f03f5022243d280d9c2b22af9a1cc94f31989b6ac24de116103018f1ce3bc63670d3e5db5d4d3ea465bdc000000008000400", @ANYRES32=r2, @ANYBLOB="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", @ANYRES32=r3, @ANYBLOB="a7cbfaf00fd784cab67132b2cfa12dfbb956a35cac8ba4fbcda38ee936a23f83a7da9ea2b477a178c6353130cb65a0af04005a0008000a00", @ANYRES32=r0, @ANYBLOB="08008c00", @ANYRES32=r4], 0x137c}, 0x1, 0x0, 0x0, 0x4005}, 0x8000) mkdir(&(0x7f0000d3a000)='./control/file0\x00', 0x0) ioctl$sock_netrom_TIOCINQ(r0, 0x541b, &(0x7f0000481ffc)) 2018/04/06 07:05:42 executing program 0 (fault-call:3 fault-nth:1): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:42 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\t', 0x0) 2018/04/06 07:05:42 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:42 executing program 5: r0 = dup(0xffffffffffffff9c) ioctl$PIO_UNISCRNMAP(r0, 0x4b6a, &(0x7f00000011c0)="d64c179b041fe51a21702c0bb5d805c38673c9d047faaa0d9db8b21530477c9ad9a5dad087a31139d265887030d44c5cea883f1df642f8bb6b86d2dcc3941d310cfe7d2529fefdd6903e95b5e66cef8b013f862a3e11bafd7dcf23e37c030de99bf245b898883124092cb6f7f6c03b6c9eb874d203704cf0e514241b106a05905ac91614534a17312ba0c97beecde5fce6ffef6faa805eaeec5521f71fc3fa018e64c27329dc8bbb964ddc0030a0cbe2f548108e4b8a8a05ef6c19876c1acb81671b97a52b2640d30500000081112d11dcf306cef4c61821f6c026d09c55ea7437f555253a960c5c0000000000000000") r1 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r1, &(0x7f0000001ffa)={0x2, 0x0, @loopback=0x7f000001}, 0x10) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x80040, 0x0) r3 = userfaultfd(0x80800) setsockopt$l2tp_PPPOL2TP_SO_LNSMODE(r2, 0x111, 0x4, 0x0, 0x4) ioctl$TIOCSETD(r2, 0x5423, &(0x7f00000000c0)=0x6) setsockopt(r2, 0x200, 0x2, &(0x7f00000001c0)="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", 0x1000) getsockname$ax25(r0, &(0x7f00000012c0), &(0x7f0000001300)=0x10) getsockopt$IP6T_SO_GET_REVISION_TARGET(r2, 0x29, 0x45, &(0x7f0000000040)={'IDLETIMER\x00'}, &(0x7f0000000080)=0x1e) ioctl$KVM_GET_FPU(r0, 0x81a0ae8c, &(0x7f0000001340)) socket$inet(0x2, 0x80000, 0xff) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000140)=0xc) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000001500)={0x20, 0x100000001}) setsockopt$inet_tcp_int(r1, 0x6, 0x7, &(0x7f0000000180)=0x1, 0x4) 2018/04/06 07:05:42 executing program 4: r0 = socket$inet(0x2, 0x3, 0x1) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f00000c9da8)=@raw={'raw\x00', 0x9, 0x3, 0x1f8, 0xc8, 0xffffffff, 0xffffffff, 0xc8, 0xffffffff, 0x160, 0xffffffff, 0xffffffff, 0x160, 0xffffffff, 0x3, &(0x7f0000fdd000), {[{{@uncond, 0x0, 0x98, 0xc8, 0x0, {}, [@inet=@rpfilter={0x28, 'rpfilter\x00'}]}, @common=@unspec=@CONNMARK={0x30, 'CONNMARK\x00', 0x1}}, {{@uncond, 0x0, 0x70, 0x98}, @common=@unspec=@MARK={0x28, 'MARK\x00', 0x2}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x258) syz_emit_ethernet(0x66, &(0x7f000029bec7)={@dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xc}, @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x2f, 0x0, @multicast2=0xe0000002, @rand_addr}, @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x5, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}}}}}}, 0x0) ioctl$TIOCNOTTY(r0, 0x5422) 2018/04/06 07:05:42 executing program 4: mkdir(&(0x7f0000042ff6)='./control\x00', 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f0000b3a000)='./control\x00', 0x40007fe) creat(&(0x7f000001cff0)='./control/file0\x00', 0xd) 2018/04/06 07:05:42 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xfc000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:42 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile02', 0x0) 2018/04/06 07:05:42 executing program 3: clone(0x200, &(0x7f0000151000), &(0x7f0000000080), &(0x7f0000f8b000), &(0x7f0000000100)) mknod(&(0x7f0000b75ff8)='./file0\x00', 0x8000000002801001, 0x0) execve(&(0x7f0000f8aff8)='./file0\x00', &(0x7f0000000240), &(0x7f0000000140)) r0 = syz_open_procfs(0x0, &(0x7f0000000280)='syscall\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f00006f0000)=""/154, 0x9a}], 0x1, 0x0) pread64(r0, &(0x7f00000000c0)=""/53, 0x1c1, 0x3200) r1 = creat(&(0x7f0000b7a000)='./file0\x00', 0x0) setsockopt$bt_BT_RCVMTU(r1, 0x112, 0xd, &(0x7f0000000000)=0x6, 0x2) 2018/04/06 07:05:42 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./f/le0//ile0\x00', 0x0) 2018/04/06 07:05:42 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x0, 0x64031, 0xffffffffffffffff, 0x0) ioctl$RNDZAPENTCNT(r0, 0x5204, &(0x7f0000000040)=0x6) ioctl$KVM_REINJECT_CONTROL(r1, 0xae71, &(0x7f0000000000)) 2018/04/06 07:05:42 executing program 5: r0 = memfd_create(&(0x7f0000d2efff)='\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000042000)='/dev/snd/seq\x00', 0x0, 0x8000000000102) dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000001000)={0x0, 0x0, 0x9, 'queue0\x00'}) r2 = memfd_create(&(0x7f000003e000)='\t', 0x0) r3 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x8000000000102) dup2(r3, r2) write$sndseq(r0, &(0x7f0000000280)=[{0x0, 0xffffffffffffffff, 0x0, 0x0, @tick=0xc562, {}, {}, @connect}], 0x30) write$sndseq(r2, &(0x7f0000e6ffd0)=[{0x1e, 0x0, 0x0, 0x3fd, @time}], 0x30) 2018/04/06 07:05:42 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xfec00000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:43 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:43 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66691065302f2f696c653000", 0x0) 2018/04/06 07:05:43 executing program 4: r0 = socket$l2tp(0x18, 0x1, 0x1) r1 = socket$l2tp(0x18, 0x1, 0x1) socketpair(0x0, 0x2, 0x2, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$EVIOCGPROP(r2, 0x80404509, &(0x7f00000001c0)=""/224) connect$l2tp(r0, &(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x4}}, 0x2e) connect$l2tp(r1, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2}}, 0x2e) setsockopt$packet_buf(r2, 0x107, 0xf, &(0x7f00000002c0)="1ea5a6ef97b0fd22f3dfb2de8f29ee0d450521faccad68e885622341bf1ae32dc26b1b4c28cfc507f2354e199d961efd535a51f362a5926cbde0b7f6c1a1428b29cbe51f002299dfead9704ef05e67a17a1929da0d3fcc87a5c9fd4c8580980bdfaf434f6ff31c8e504ebbf157b4c7a80e2d98f77dcad785a6fef25cb63675acd06b42a7aa2360898c45001c0a4ee694d27d81d6ea806b1b5198de7503a76a5da07bc138f21d3e0ab8c7f54f42927e5421876e78001446999027c1e201c79cb888714b5bcb44c39959c73718a2d5e902611e2a7736e504ce084db6a077", 0xdd) r3 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x5, 0x100) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x5}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000000100)={0x7, 0x209, 0x8, 0x9, r4}, &(0x7f0000000140)=0x10) [ 489.326138] FAULT_INJECTION: forcing a failure. [ 489.326138] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 489.337980] CPU: 0 PID: 27262 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 489.344810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 489.354162] Call Trace: [ 489.356760] dump_stack+0x1b9/0x29f [ 489.360385] ? arch_local_irq_restore+0x52/0x52 [ 489.365056] ? graph_lock+0x170/0x170 [ 489.368850] should_fail.cold.4+0xa/0x1a [ 489.372903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 489.378001] ? __lock_acquire+0x7f5/0x5130 [ 489.382234] ? debug_check_no_locks_freed+0x310/0x310 [ 489.387408] ? graph_lock+0x170/0x170 [ 489.391206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 489.396750] ? _kstrtoull+0x180/0x230 [ 489.400535] ? _parse_integer+0x190/0x190 [ 489.404670] ? graph_lock+0x170/0x170 [ 489.408460] ? check_same_owner+0x320/0x320 [ 489.412767] ? find_held_lock+0x36/0x1c0 [ 489.416810] ? graph_lock+0x170/0x170 [ 489.420594] ? lock_downgrade+0x8e0/0x8e0 [ 489.424727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 489.430248] ? should_fail+0x21b/0xbcd [ 489.434139] __alloc_pages_nodemask+0x34e/0xd70 [ 489.438810] ? __alloc_pages_slowpath+0x2dc0/0x2dc0 [ 489.443816] ? find_held_lock+0x36/0x1c0 [ 489.447876] ? check_same_owner+0x320/0x320 [ 489.452191] cache_grow_begin+0x72/0x6c0 [ 489.456242] kmem_cache_alloc+0x689/0x760 [ 489.460375] getname_flags+0xd0/0x5a0 [ 489.464161] do_mkdirat+0xbd/0x2f0 [ 489.467685] ? SyS_mknod+0x40/0x40 [ 489.471212] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 489.476048] ? do_syscall_64+0xb7/0x9d0 [ 489.480016] SyS_mkdir+0x22/0x30 [ 489.483382] ? SyS_mkdirat+0x30/0x30 [ 489.487097] do_syscall_64+0x29e/0x9d0 [ 489.490973] ? vmalloc_sync_all+0x30/0x30 [ 489.495111] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 489.499934] ? syscall_return_slowpath+0x5c0/0x5c0 [ 489.504856] ? syscall_return_slowpath+0x30f/0x5c0 [ 489.509785] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 489.515146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 489.519985] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 489.525158] RIP: 0033:0x4552d9 [ 489.528334] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 489.536042] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 489.543300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 489.550550] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 489.557802] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 489.565064] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000001 2018/04/06 07:05:43 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x4, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000080)={0x0, 0x31, "343e1879c4788aaeaa8b6d2e499a1a5f6904cf679a1305846c007499194c2fb02f0cee3177687ab3fc08e01e9b2a68f5f2"}, &(0x7f00000000c0)=0x39) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000100)={r1, 0x100}, &(0x7f0000000140)=0x8) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f000088bfe4)={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x9}, 0x1c) connect$inet6(r2, &(0x7f0000000280)={0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x3}, 0x1c) 2018/04/06 07:05:43 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:05:43 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//.le0\x00', 0x0) 2018/04/06 07:05:43 executing program 4: r0 = socket$inet(0x2, 0x3, 0x2) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000000c0)='erspan0\x00', 0x341) sendto$inet(r0, &(0x7f00000004c0), 0xf401, 0x0, &(0x7f0000000080)={0x2, 0x0, @dev={0xac, 0x14, 0x14}}, 0x10) 2018/04/06 07:05:43 executing program 3: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='/\x00', 0x8, 0x4, &(0x7f00000000c0)=[{&(0x7f0000000400)="d15af7c6eaaa4d502408f425cc3d34f58509bdfcd69dcd2acc9203f19689a30d2f3b82822eb368df38385f0d78b1810c2212d7709b83eb90313f00240045ffc80fc6def07f09b7b7c4172a0dede6f0a825035ce9d94438d7e79f9fdefaeb1526b43738f6ec34062b06ce2589b08523cb1c5c40dc466288363b99e86f37c03feb2f4fe9d718272eb0bc192b4733265da302dbb1a6fcdd4bf915dae15945fd230e23ee3ea7c463db601013154e216d56c68773b3a430ec907f678f0ff19fa59ee079a4fab6bb3ca2c332d5dbe5535d8c", 0xcf, 0xfff}, {&(0x7f0000000500)="0bb261dd81f36cab2d46ddbe93d4b07f1e520d0038222192f75d73ac70794b1ced964ff1164e4db9882d91bfd33f8e9eda4ce99c419f04bab291b101b323980a42235a40fbbf471db0ba47256dd7a24d326ffab4df075b327e70c494f2e91af7500028a5df766fb7b19973dd18c42fb6ef32d0995e2b6a5a997aad223a3987434a18a706037e31b09440cc713a4fba1c43f0e75b0ab52f1bbdf2ae2747cd70febd9d3880f42ade80dc21bfb8ed68ea5d56daca821e127744e6c5cef29d4ebaa0f4e5ee4af7add3d60207d8bdfe94eeae0574d9a4f9c1b619c17176e2151522c6d7", 0xe1, 0x2}, {&(0x7f0000000080)="916ede5e9aa9ed0c", 0x8, 0x8}, {&(0x7f0000000600)="5441fd440dc9405704224a6eee0563e6a3df8f8b381c6b1ae6338378e352644e4b1d8023047d74f6eb954547ad20315fffeb184443cfa46796478905af7c028ef98f9f50b9be23ebadb60f93952001d2ed9e588c413e852a13a21c0737095b6dde29d23c5e4ab270b5065e3ce7d74b13e32abe067c83f30a2b9f38d2d38ada5f41f675edfb1893e31f4f34bcd9b0cc40fbd6392bf472730de587d767520cccd241b226369dfdc947d71ce4e9d5f4d8f194593c4bf8743056fb364f37f6fc46f9a6abeaa3eff82f5370537b8f95daef8364113f53aca4be", 0xd7, 0x401}], 0x20014, &(0x7f0000000180)={[{@iocharset={'iocharset', 0x3d, 'ascii'}, 0x2c}]}) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) lstat(&(0x7f0000000140)='./file0//ile0/file0\x00', &(0x7f0000000200)) 2018/04/06 07:05:43 executing program 0 (fault-call:3 fault-nth:2): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:43 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:43 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x4000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:43 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x80ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:43 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = semget$private(0x0, 0x2, 0x200) semctl$GETPID(r1, 0x7, 0xb, &(0x7f0000000000)=""/49) bind$inet6(r0, &(0x7f0000f5dfe4)={0xa, 0x4e20}, 0x1c) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000040)={0x0, 0x3, 0x30, 0x6, 0x1a9}, &(0x7f0000000080)=0x18) getpeername$inet6(r0, &(0x7f0000000200)={0x0, 0x0, 0x0, @dev}, &(0x7f0000000240)=0x1c) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000000c0)={r2, 0x7fff}, &(0x7f0000000180)=0x8) sendto$inet6(r0, &(0x7f00000000c0), 0x0, 0x0, &(0x7f00000001c0)={0xa, 0x4e20}, 0x1c) recvfrom$inet6(r0, &(0x7f0000000b40)=""/191, 0xbf, 0x26, 0x0, 0xfffffffffffffeb8) recvmsg(r0, &(0x7f0000000d00)={&(0x7f0000000100)=@in={0x0, 0x0, @rand_addr}, 0x80, &(0x7f0000000640), 0x0, &(0x7f00000006c0)=""/26, 0x1a}, 0x0) 2018/04/06 07:05:43 executing program 3: r0 = socket(0xa, 0x80001, 0x0) setsockopt(r0, 0x29, 0x14, &(0x7f0000000000)="c2444525", 0xfe55) 2018/04/06 07:05:43 executing program 4: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000001700)={&(0x7f0000000100)=@sco, 0x80, &(0x7f00000015c0)=[{&(0x7f0000000180)=""/4096, 0x1000}, {&(0x7f0000001180)=""/250, 0xfa}, {&(0x7f0000000040)=""/61, 0x3d}, {&(0x7f0000001280)=""/184, 0xb8}, {&(0x7f0000001340)=""/159, 0x9f}, {&(0x7f0000001400)=""/82, 0x52}, {&(0x7f0000001480)=""/45, 0x2d}, {&(0x7f00000014c0)=""/199, 0xc7}], 0x8, &(0x7f0000001640)=""/188, 0xbc, 0x40}, 0x2001) r1 = socket(0xffffffffffffffff, 0xa, 0x6) connect$inet(r1, &(0x7f0000000080)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendmsg$netlink(r1, &(0x7f0000007f00)={0x0, 0x0, &(0x7f0000007280)=[{&(0x7f00000000c0)={0x14, 0x0, 0x0, 0x0, 0x0, "", [@generic='m']}, 0x14}], 0x1, &(0x7f0000007d80)=[@rights={0x10, 0x1, 0x1}], 0x10}, 0x0) 2018/04/06 07:05:44 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:44 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0///le0\x00', 0x0) 2018/04/06 07:05:44 executing program 3: accept$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, @loopback}, &(0x7f00000001c0)=0x10) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f0000000200), &(0x7f0000000300)=0x8) r0 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x5, 0x600) ioctl$KVM_S390_INTERRUPT_CPU(r0, 0x4010ae94, &(0x7f00000000c0)={0x6, 0x672a, 0x3}) unshare(0x60000000) getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000100), &(0x7f0000000140)=0x4) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000040)) r1 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000000000)="ff55d36cffb9ffffef0000000007", 0xe) setsockopt$inet_int(r1, 0x0, 0xca, &(0x7f0000000000)=0x10001, 0x10) 2018/04/06 07:05:44 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x40000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 490.288881] IPVS: ftp: loaded support on port[0] = 21 [ 490.359421] FAULT_INJECTION: forcing a failure. [ 490.359421] name failslab, interval 1, probability 0, space 0, times 0 [ 490.370758] CPU: 0 PID: 27316 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 490.377604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 490.386771] IPVS: ftp: loaded support on port[0] = 21 [ 490.386960] Call Trace: [ 490.394727] dump_stack+0x1b9/0x29f [ 490.398365] ? arch_local_irq_restore+0x52/0x52 [ 490.403052] should_fail.cold.4+0xa/0x1a [ 490.407122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 490.412234] ? debug_check_no_locks_freed+0x310/0x310 [ 490.417435] ? graph_lock+0x170/0x170 [ 490.421242] ? debug_check_no_locks_freed+0x310/0x310 [ 490.426433] ? find_held_lock+0x36/0x1c0 [ 490.430501] ? __lock_is_held+0xb5/0x140 [ 490.434580] ? check_same_owner+0x320/0x320 [ 490.438915] ? rcu_note_context_switch+0x710/0x710 [ 490.443861] should_failslab+0x124/0x180 [ 490.447916] kmem_cache_alloc+0x2af/0x760 [ 490.452057] ? do_raw_spin_unlock+0x9e/0x2e0 [ 490.456479] __d_alloc+0xc1/0xc00 [ 490.459943] ? shrink_dcache_for_umount+0x290/0x290 [ 490.464943] ? lock_downgrade+0x8e0/0x8e0 [ 490.469080] ? kasan_check_read+0x11/0x20 [ 490.473213] ? rcu_is_watching+0x85/0x140 [ 490.477351] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 490.481929] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 490.487102] ? kasan_check_write+0x14/0x20 [ 490.491318] ? do_raw_spin_lock+0xc1/0x200 [ 490.495541] ? dput.part.26+0x242/0x7b0 [ 490.499515] d_alloc+0x8e/0x370 [ 490.502781] ? __d_lookup+0x9c0/0x9c0 [ 490.506562] ? __d_alloc+0xc00/0xc00 [ 490.510256] ? dput+0x24/0x30 [ 490.513345] __lookup_hash+0xd9/0x190 [ 490.517126] filename_create+0x1dd/0x5a0 [ 490.521169] ? kern_path_mountpoint+0x40/0x40 [ 490.525647] ? getname_flags+0xd0/0x5a0 [ 490.529608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 490.535125] ? getname_flags+0x26e/0x5a0 [ 490.539166] do_mkdirat+0xd2/0x2f0 [ 490.542687] ? SyS_mknod+0x40/0x40 [ 490.546219] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 490.551063] ? do_syscall_64+0xb7/0x9d0 [ 490.555036] SyS_mkdir+0x22/0x30 [ 490.558387] ? SyS_mkdirat+0x30/0x30 [ 490.562090] do_syscall_64+0x29e/0x9d0 [ 490.565967] ? vmalloc_sync_all+0x30/0x30 [ 490.570098] ? _raw_spin_unlock_irq+0x27/0x70 [ 490.574586] ? finish_task_switch+0x1ca/0x820 [ 490.579071] ? syscall_return_slowpath+0x5c0/0x5c0 [ 490.583983] ? syscall_return_slowpath+0x30f/0x5c0 [ 490.588900] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 490.594252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 490.599080] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 490.604248] RIP: 0033:0x4552d9 [ 490.607417] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 490.615108] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 490.622359] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 490.629612] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 490.636870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 490.644131] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000002 2018/04/06 07:05:44 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000200)={@dev={0xfe, 0x80}}, 0x14) preadv(r0, &(0x7f0000001440)=[{&(0x7f0000000080)=""/68, 0x44}, {&(0x7f0000000240)=""/4096, 0x1000}, {&(0x7f0000000100)=""/192, 0xc0}, {&(0x7f0000001240)=""/214, 0xd6}, {}, {&(0x7f0000001340)=""/186, 0xba}, {&(0x7f0000001400)=""/41, 0x29}], 0x7, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x1c, &(0x7f0000000040)="d297720c58a15b2d94be3c52cf216ae4c94cfac1", 0x14) 2018/04/06 07:05:44 executing program 0 (fault-call:3 fault-nth:3): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:44 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xff00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:44 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x0, 0x1, &(0x7f0000001fe8)=ANY=[@ANYBLOB="ace58c3f0a3fdd335f"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000009f3d)=""/195}, 0x48) r0 = bpf$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(0x13, 0x3, 0x10000000000004) r2 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x408002) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000000080)={0xc, @tick=0x7c1, 0x1, {0xffffffffffff768b, 0x36}, 0x7, 0x2, 0x8}) setsockopt$sock_attach_bpf(r1, 0x1, 0x32, &(0x7f0000000040)=r0, 0x4) write(r1, &(0x7f00000005c0)="260000005e0009000000eaf83a0000000000000001000000ffffff000008db1ee9ff4435eade", 0x26) 2018/04/06 07:05:44 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:44 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f6910653000", 0x0) 2018/04/06 07:05:44 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:44 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000002000)={0x0, 0x0, &(0x7f0000000140)=@raw, &(0x7f0000000180)="43500500", 0x3, 0x67, &(0x7f00000000c0)=""/103, 0xffffffffffffffff}, 0x27) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@call={0x85, 0x0, 0x0, 0x7}], {0x95}}, &(0x7f000000a000)='syzkaller\x00', 0x1, 0xc3, &(0x7f0000011f3d)=""/195}, 0x48) 2018/04/06 07:05:44 executing program 3: r0 = socket$inet6(0xa, 0x806, 0x7ffff) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000000c0)={'sit0\x00', &(0x7f0000000080)=@ethtool_modinfo={0x42, 0x0, 0x0, "4cd8119d071ac79e"}}) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e21, 0x800, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x1a}}, 0x3}, 0x1c) 2018/04/06 07:05:44 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x80ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:44 executing program 4: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_ifreq(r1, 0x89a3, &(0x7f00000001c0)={'ip6tnl0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000040)=@assoc_value={0x0, 0x81}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={r2, 0x3235, 0x3, 0x1}, 0x10) r3 = syz_open_dev$midi(&(0x7f0000000100)='/dev/midi#\x00', 0x7fa3c804, 0x2000) ioctl$ASHMEM_GET_PROT_MASK(r3, 0x7706, &(0x7f0000000140)) 2018/04/06 07:05:45 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653004", 0x0) 2018/04/06 07:05:45 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:45 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000e3eff8)={0x0, 0x0}, 0x0) sysfs$1(0x1, &(0x7f0000000040)='/dev/kvm\x00') r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r4 = dup3(r3, r2, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000decfe0)={0x10005, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SMI(r4, 0xaeb7) ioctl$KVM_RUN(r3, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000280)=[@text32={0x20, &(0x7f00000000c0)="b8010000000f01d9660f388197d93100000f013d0f00000019b54b0db5e1b80c0000000f23c80f21f835080040000f23f8b906060000b8145e0000ba000000000f30c74424002ed563c2c744240200000000c7442406000000000f011c24c4e209baf72e0f011b9ad30000005a00", 0x6e}], 0x1, 0x8, &(0x7f0000000080), 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 491.279312] sctp: [Deprecated]: syz-executor4 (pid 27349) Use of struct sctp_assoc_value in delayed_ack socket option. [ 491.279312] Use struct sctp_sack_info instead 2018/04/06 07:05:45 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xfec0}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:45 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000001900)={0x0, 0x0, &(0x7f00000000c0), 0x0, &(0x7f0000001840)=ANY=[]}, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r1, 0x702, 0x70bd2c, 0x25dfdbfe, {0xe}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x1f}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x100}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xcbf}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x80}]}, 0x40}, 0x1}, 0x811) sendmsg$nl_generic(r0, &(0x7f0000000040)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f00000000c0)={0x14, 0x8000026, 0x701, 0x0, 0x0, {0x3}}, 0x14}, 0x1}, 0x0) [ 491.369124] sctp: [Deprecated]: syz-executor4 (pid 27349) Use of struct sctp_assoc_value in delayed_ack socket option. [ 491.369124] Use struct sctp_sack_info instead [ 491.478660] FAULT_INJECTION: forcing a failure. [ 491.478660] name failslab, interval 1, probability 0, space 0, times 0 [ 491.490585] CPU: 1 PID: 27370 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 491.497436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.506786] Call Trace: [ 491.509384] dump_stack+0x1b9/0x29f [ 491.513021] ? arch_local_irq_restore+0x52/0x52 [ 491.517696] ? lock_release+0xa10/0xa10 [ 491.521658] ? check_same_owner+0x320/0x320 [ 491.525965] should_fail.cold.4+0xa/0x1a [ 491.530016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 491.535107] ? kasan_check_write+0x14/0x20 [ 491.539326] ? __mutex_lock+0x7d9/0x17f0 [ 491.543369] ? kernel_text_address+0x79/0xf0 [ 491.547764] ? graph_lock+0x170/0x170 [ 491.551568] ? graph_lock+0x170/0x170 [ 491.555368] ? unwind_get_return_address+0x61/0xa0 [ 491.560285] ? find_held_lock+0x36/0x1c0 [ 491.564336] ? __lock_is_held+0xb5/0x140 [ 491.568390] ? check_same_owner+0x320/0x320 [ 491.572693] ? graph_lock+0x170/0x170 [ 491.576502] ? rcu_note_context_switch+0x710/0x710 [ 491.581414] ? mutex_lock_nested+0x16/0x20 [ 491.585635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.591175] should_failslab+0x124/0x180 [ 491.595222] __kmalloc+0x2c8/0x760 [ 491.598746] ? __lock_is_held+0xb5/0x140 [ 491.602796] ? cgroup_mkdir+0x2b4/0x10d0 [ 491.606846] cgroup_mkdir+0x2b4/0x10d0 [ 491.610721] ? from_kgid+0x7f/0xb0 [ 491.614247] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 491.618990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.624517] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 491.629627] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 491.634454] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 491.639978] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 491.645498] ? kernfs_get_active+0xb2/0x120 [ 491.649815] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 491.654556] kernfs_iop_mkdir+0x159/0x1e0 [ 491.658689] ? getname_flags+0xd0/0x5a0 [ 491.662650] vfs_mkdir+0x42e/0x6b0 [ 491.666176] do_mkdirat+0x266/0x2f0 [ 491.669788] ? SyS_mknod+0x40/0x40 [ 491.673319] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 491.678145] ? do_syscall_64+0xb7/0x9d0 [ 491.682101] SyS_mkdir+0x22/0x30 [ 491.685450] ? SyS_mkdirat+0x30/0x30 [ 491.689148] do_syscall_64+0x29e/0x9d0 [ 491.693024] ? vmalloc_sync_all+0x30/0x30 [ 491.697255] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 491.702082] ? syscall_return_slowpath+0x5c0/0x5c0 [ 491.706995] ? syscall_return_slowpath+0x30f/0x5c0 [ 491.711917] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 491.718134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 491.722966] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 491.728136] RIP: 0033:0x4552d9 [ 491.731313] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 491.739009] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 491.746266] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 491.753517] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 491.760768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 491.768024] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000003 2018/04/06 07:05:45 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:05:45 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:45 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x6000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:45 executing program 5: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000080)=0x0) wait4(r0, &(0x7f00000000c0), 0x20000000, &(0x7f0000000140)) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) setpgid(r2, 0x0) r3 = openat(0xffffffffffffffff, &(0x7f00000003c0)='./file0\x00', 0x8000, 0x10) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000400)={0x8, 0x0, 0x100000001, 0x90000000, 0x0}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r3, 0x84, 0x72, &(0x7f0000000480)={r4, 0x5}, &(0x7f00000004c0)=0xc) bind$llc(r1, &(0x7f0000000340)={0x1a, 0x324, 0xfffffffffffffff9, 0x8, 0x4bc, 0x7fff, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000240)={r1, 0x28, &(0x7f0000000200)}, 0x10) r5 = syz_open_dev$sg(&(0x7f0000000680)='/dev/sg#\x00', 0xffff, 0x800) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000280)={0x0, 0xffffffffffff0eac, 0xc7, 0x1, 0x0, 0x4e66, 0x9, 0x4, {0x0, @in={{0x2, 0x4e24, @multicast1=0xe0000001}}, 0xffffffff, 0x100000000, 0x100000000, 0xa4e2, 0x88}}, &(0x7f0000000780)=0xb0) waitid(0x3, r0, &(0x7f0000000380), 0x1, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f00000007c0)={0xffffffffffffff00, 0x0, 0x1, 0x10001, 0x5000000000000, 0x6, 0x80000001, 0x3b7, r6}, 0x20) prlimit64(r2, 0x2000000000000000, &(0x7f0000000000)={0xffffffffffff0001, 0x800}, &(0x7f0000000040)) 2018/04/06 07:05:45 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) r1 = syz_open_dev$mice(&(0x7f0000000140)='/dev/input/mice\x00', 0x0, 0x4000) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000223fd4)=[@in6={0xa, 0x4e23}], 0x1c) r2 = accept4(r0, &(0x7f0000000080)=@l2, &(0x7f0000000100)=0x80, 0x800) sendto$inet(r2, &(0x7f0000000040)="bf", 0x1, 0x0, &(0x7f00006e2000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x2de) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f000056effc), 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000180)={0x0, 0x468, "93cacde4b0f2181fb6bc6926d7ff1d5bd9860bc5a7c441362f740455fc04e27973eec5a42039de770d701f62f92b9c98f49cae77a121da14a14754e1d42a472386896a00e81f8712eca90fa96ced5be45586bf594cd31a9288f671c2b71f079234b0bd8b629783652328d1164b07290232dc20a5eff72490ae8b8fbebbeb574a332f75e99b1618d4c28ef683ab0b54e477ea1a95fcb059ff06e2615bec7b268b3e2af8c6310aa40233c2e40e92d76e94948a8a08d3740cdce359d540aa8a59dde4165268a6519196c11ee5953c6c21dbb018742a15bd6217b477e9e3133003c674e6b24fdf8792cee358058ddca55acc8a0a02d67c06f5dd6b6d90a6511ff05a9f5db647707fb89691c9af417abc77be8aa9acfd11b0a8657531282ac3e38739e4f46a360bf7cdb4badad21590dcb1b259911ad82b00026ce9e1692efddb015f1609cf2862199a508b96c8f8ec7589e54d5e2c4e243cc5a32968195c49f28a6036fc5e341af6ffb20ad02ddcf8e7d465dd598b07d7f9885a9cf187d9378382f217b0d2f5d8b4cb1a33b49c94ef9fcc479730654a572824db0ddcba780d5d3f0ed9d9ad97332f1ead771e10deac1ade29cc1930a04e2826ce8902ae243d39459b565a2ff16693229887a32f1213cf58b1e8e5af55f0a4b6e190067e92e44a943e002f1d7c6fd74b8ddb62aa691f6fa9aa6d9d7a202327a8dfb3f1d93be5bf657622cf68ef274114265d8d3c128e1c44553407f4ab8c25f7484a4f65d6014ee50fea059a3de193687fdade4344eb5a6211057c09f5319cd51a25ffa7ad51a7774e2d3ac75cf864e0f7e53a1b288f3fbb09f3709e7f410575183ab9c6039f67351cb01b43dd403d5b7b60928ef05b674e64e642c205f85c2c2f270e2629e0da614754a2feac41b57096cabb538104d41c768fc6287417b2c96d61889671be36c353d001314d69df3b11851d862666684194949932f96a4dc1a6a3e9e1c8feb4ad12da89a49338d18d49f65b18fa2c663c777877ff1fe98a23d0241662eafe6b198ce15ecf4b6c0979786f868a2a9e382e0b291bc5192cc8d6526f3cbd97e546fbe8d46663ab2ac829dca197006b125353fa01acd83c64341ef77f32cde79de8f9296c86709bfc1ebcb96630e5a243222995275f30b0fa43ab1cf7c3c15775ef20d7f8b7cbe87cc46ab8722b8c8453ac74015830104462ee414b6576e16c477f9a5a67a9b70ffefa9c07e1e9fb41bf1626c0c55d19558de9a2d0ad88bd51d3e2a032595178cdfdc610e709fa23b606928cbbd96f7a2aac44225a7733e9505c053332805fee8a8eb1035403298082e6471c11b1fd4f55892f8264799e79d018f0c97791f2cd4df06a00cb77d1c5d9afd2198a6c66917b8cc12c293a7e34507dae5954284b6cd7d3b4a55785c0ab5189cab2b0bd46a9277490e5875529ff9787de4607e5d6b2f9484b754e70801b6ab2c46fc7010406b2d45196b3de50bc3ea558efaa54319d3ecf86cda59bae45e0b6f699e20e1cdc603fb2ff4cbfe5c2caecd8602ac544db9f8746d0867ea12de1c71f998e7472d8ef1025a31eaa4c667244b92396d1c020388577159e"}, &(0x7f00000011c0)=0x470) 2018/04/06 07:05:45 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) r1 = dup2(r0, r0) sendto$inet(r1, &(0x7f0000000000), 0x0, 0x1, 0x0, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 2018/04/06 07:05:45 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1500000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:45 executing program 0 (fault-call:3 fault-nth:4): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:45 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'cts(cbc(blowfish))\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab2719", 0x4) sendmsg$alg(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000280), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) r2 = socket$inet_icmp(0x2, 0x2, 0x1) getsockopt$inet_mreq(r2, 0x0, 0x20, &(0x7f0000000000)={@dev, @multicast2}, &(0x7f0000000140)=0x8) io_setup(0x3c, &(0x7f0000000040)=0x0) io_submit(r3, 0x1, &(0x7f0000000900)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000200)="16", 0x1}]) 2018/04/06 07:05:45 executing program 4: openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000940)={0x800000000, {{0x2, 0x4e22, @broadcast=0xffffffff}}}, 0x88) r1 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x6, 0x200000) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffff9c, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x74, &(0x7f0000000080)=[@in6={0xa, 0x4e22, 0x6, @remote={0xfe, 0x80, [], 0xbb}, 0x26}, @in6={0xa, 0x4e23, 0x10000, @empty, 0xfffffffffffff131}, @in6={0xa, 0x4e22, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x8}, @in={0x2, 0x4e20, @loopback=0x7f000001}, @in={0x2, 0x4e23, @multicast1=0xe0000001}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f0000000240)={r2, 0x79, "1ac0c57feafa701dffc605a99a0ff6aae01a998ff3630cffdbaecf3adb5813c1ec1435cadb8421bdfb2d584f7595157b797d985e27020ebfca87e28286801243f0ffcebc9aad725742a74bdf6b2c26755d050b8e350a6d4da5fd1df9a050cc3bf386fd5050891bcde12f3f2d61573a23e81a554e18eaa9e517"}, &(0x7f0000000180)=0x81) r3 = socket$inet(0x2, 0x6, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r3, 0x0, 0x80, &(0x7f00000008c0)=@broute={'broute\x00', 0x20, 0x2, 0x3e8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000feffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff01000000110000000000000000006970366772657461703000000000000073797a5f74756e000000000000000000697036746e6c3000000000000000000073797a5f74756e0000000000000000000180c200000000000000ff00aaaaaaaaaabb00000000000000007000000008010000580100005241544545535400000000000000000000000000000000000000000000000000200000000000000073797a30000000000000000000000000000000000000000000000000000000004c45440000000000000000000000000000000000000000000000000000000000280000000000000073797a3000000000000000000000000000000000000000000000000000000000000000000000000049444c4554494d4552000000000000000000000000000000000000000000000028000000000000000000010073797a30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000ffffffff010000000d0000000000000086dd73797a6b616c6c65723000000000000074756e6c3000000000000000000000007369743000000000000000000000000069666230000000000000000000000000000000000000000000000000ffffffffffff000000000000000030010000b001000000020000697036000000000000000000000000000000000081050000000000000000000050000000000000000000000000000000000000000000000000000000000000000000ffffac1414aa0000000000000000000000000000000000000000000000f00000000000000000000000000000000000000000000000006c696d6974000000000000000000000000000000000000000000000000000000200000000000000000000000ec00000000000000000000000000000000000000000000000000000049084c4554494d4552000000000000000000000000000000000000000000000028000000000000008100000073797a3100000000000000000000000000000000000000000000000000000000000000004e46515545554500000000000000000000000000000000000000000000000000080000000000000000000000000000004c45440000000000000000000000000000000000000000000000000000000000280000000000000073797a30000000000000000000000000000000000000000000000000000000000000000000000000"]}, 0x460) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x2, 0xa2b, 0x4, 0x7, 0x2, 0x20, 0x10000, 0x8a82}, &(0x7f0000000180)=0x20) r4 = socket(0x1d, 0xb, 0x0) setsockopt$inet_group_source_req(r4, 0x0, 0xfe0d64ad1c6cb9f1, &(0x7f0000000680)={0x1000, {{0x2, 0x4e23, @multicast1=0xe0000001}}, {{0x2, 0x4e22, @broadcast=0xffffffff}}}, 0x108) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_version\x00', 0x2, 0x0) r5 = syz_open_dev$loop(&(0x7f0000000b80)='/dev/loop#\x00', 0x0, 0x4006) r6 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) pwritev(r6, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400)={0x0, 0x0, 0x3, 0xffffffff}, &(0x7f0000000440)=0x10) getsockopt$inet_sctp_SCTP_RTOINFO(r6, 0x84, 0x0, &(0x7f00000005c0)={0x0, 0x10001, 0x81, 0x9}, &(0x7f0000000600)=0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000640)={0x0, @in6={{0xa, 0x4e23, 0x81, @mcast2={0xff, 0x2, [], 0x1}, 0x7fff}}, 0x2, 0x4, 0xf8, 0x1, 0x6}, &(0x7f0000000700)=0x98) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000000740)={0x0, 0x200}, &(0x7f0000000340)=0x8) pselect6(0x40, &(0x7f0000000a80)={0x28b, 0x3, 0x9, 0x8001, 0xff, 0x1ff, 0x40, 0x10000}, &(0x7f0000000b00)={0x92a, 0x7, 0x0, 0x0, 0x0, 0x0, 0x8, 0x1f}, &(0x7f0000000b40)={0x80000001, 0x81, 0x0, 0x4}, &(0x7f0000000bc0), &(0x7f0000000c40)={&(0x7f0000000c00)={0x6}, 0x8}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r6, 0x84, 0x6, &(0x7f00000007c0)={0x0, @in6={{0xa, 0x0, 0x0, @dev={0xfe, 0x80}}}}, &(0x7f0000000880)=0x84) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f00000008c0), &(0x7f0000000900)=0x8) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000280)=@in={0x2}, 0x10, &(0x7f00000003c0), 0x0, &(0x7f0000000940)}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, &(0x7f0000000240)={'ipddp0\x00', @ifru_mtu}) fdatasync(r5) 2018/04/06 07:05:45 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x100000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:45 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\t', 0x0) [ 492.230741] print_req_error: I/O error, dev loop0, sector 0 2018/04/06 07:05:46 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xfe80}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:46 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:05:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000000280)={0x0, 0x0}, 0x0) sendto(0xffffffffffffffff, &(0x7f0000000080)="ac0fbf55c3", 0x5, 0x0, &(0x7f0000000100)=@pppoe={0x18, 0x0, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, 'ipddp0\x00'}}, 0x80) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r4 = dup3(r3, r2, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000decfe0)={0x10005, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SMI(r4, 0xaeb7) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000400)=[@textreal={0x8, &(0x7f0000000440)="66b8b7d2e5c50f23c80f21f866350c0070000f23f80f1f40000f323d00a0baf80c66b81c6a168e66efbafc0c66eddfaa070036260f0766b8000000000f23c00f21f86635010006000f23f8660fd088670066b97a0800000f32", 0x59}], 0x1, 0x0, &(0x7f00000001c0)=[@cr4={0x1, 0x306607}], 0x1) ioctl$KVM_RUN(r3, 0xae80, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x32, 0xffffffffffffffff, 0x0) getsockopt$packet_int(0xffffffffffffffff, 0x107, 0x0, &(0x7f0000003ffc), &(0x7f0000001ffc)=0x2cb4bdcc3d32ae10) ioctl$TUNSETFILTEREBPF(0xffffffffffffffff, 0x800454e1, &(0x7f0000000200)=r4) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe0000/0x18000)=nil, &(0x7f00000000c0)=[@text32={0x20, &(0x7f0000000000)="c4e24947470d66b8bf000f00d8653ef767fc66baf80cb8e0fb4f8bef66bafc0c66edb97e0b0000b82ff11332ba000000000f30440f20c03503000000440f22c0c4c185e955d666b8ad000f00d8673636f46485af0c000000", 0x58}], 0x1, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 492.271503] print_req_error: I/O error, dev loop0, sector 0 [ 492.437492] *** Guest State *** [ 492.440876] CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 492.449748] CR4: actual=0x0000000000306457, shadow=0x0000000000306407, gh_mask=ffffffffffffe871 [ 492.458608] CR3 = 0x00000000fffbc000 [ 492.462346] RSP = 0x0000000000000f80 RIP = 0x0000000000000000 [ 492.463211] FAULT_INJECTION: forcing a failure. [ 492.463211] name failslab, interval 1, probability 0, space 0, times 0 [ 492.468360] RFLAGS=0x00000002 DR7 = 0x0000000000000400 [ 492.468380] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 492.479607] CPU: 0 PID: 27425 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 492.479619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.479624] Call Trace: [ 492.479650] dump_stack+0x1b9/0x29f [ 492.479673] ? arch_local_irq_restore+0x52/0x52 [ 492.479691] ? lock_downgrade+0x8e0/0x8e0 [ 492.479707] ? lock_downgrade+0x8e0/0x8e0 [ 492.479729] should_fail.cold.4+0xa/0x1a [ 492.479745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 492.479764] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 492.479797] ? graph_lock+0x170/0x170 [ 492.479819] ? find_held_lock+0x36/0x1c0 [ 492.479842] ? __lock_is_held+0xb5/0x140 [ 492.479872] ? check_same_owner+0x320/0x320 [ 492.485855] CS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.492493] ? rcu_note_context_switch+0x710/0x710 [ 492.492519] should_failslab+0x124/0x180 [ 492.499359] DS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.508677] __kmalloc_track_caller+0x2c4/0x760 [ 492.508697] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 492.511271] SS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.514857] ? cgroup_mount+0xd90/0xd90 [ 492.514870] ? kstrdup_const+0x66/0x80 [ 492.514886] kstrdup+0x39/0x70 [ 492.519549] ES: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.523656] kstrdup_const+0x66/0x80 [ 492.523671] __kernfs_new_node+0xa8/0x580 [ 492.523689] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 492.527827] FS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.531853] ? css_next_descendant_pre+0x77/0x190 [ 492.531871] ? cgroup_propagate_control+0x3e7/0x5a0 [ 492.536964] GS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 492.541944] kernfs_new_node+0x80/0xf0 [ 492.541962] kernfs_create_dir_ns+0x3d/0x140 [ 492.545752] GDTR: limit=0x000007ff, base=0x0000000000001000 [ 492.549781] cgroup_mkdir+0x776/0x10d0 [ 492.549804] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 492.553855] LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 [ 492.558138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.558149] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 492.558166] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 492.566121] IDTR: limit=0x00000000, base=0x0000000000000000 [ 492.571015] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 492.571036] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 492.575088] TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 [ 492.583014] ? kernfs_get_active+0xb2/0x120 [ 492.583027] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 492.583044] kernfs_iop_mkdir+0x159/0x1e0 [ 492.587698] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 492.593197] ? getname_flags+0xd0/0x5a0 [ 492.593213] vfs_mkdir+0x42e/0x6b0 [ 492.593230] do_mkdirat+0x266/0x2f0 [ 492.601187] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 492.605125] ? SyS_mknod+0x40/0x40 [ 492.605139] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 492.605157] ? do_syscall_64+0xb7/0x9d0 [ 492.609030] Interruptibility = 00000008 ActivityState = 00000000 [ 492.612188] SyS_mkdir+0x22/0x30 [ 492.612199] ? SyS_mkdirat+0x30/0x30 [ 492.612216] do_syscall_64+0x29e/0x9d0 [ 492.620164] *** Host State *** [ 492.623852] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 492.623872] ? syscall_return_slowpath+0x5c0/0x5c0 [ 492.628028] RIP = 0xffffffff811ee723 RSP = 0xffff88018bf27370 [ 492.632729] ? syscall_return_slowpath+0x30f/0x5c0 [ 492.632754] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 492.640712] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 492.645515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 492.645536] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 492.650538] FSBase=00007f1b90315700 GSBase=ffff8801db100000 TRBase=fffffe0000034000 [ 492.658465] RIP: 0033:0x4552d9 [ 492.658473] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 492.662365] GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 [ 492.666732] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 492.666741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 492.666748] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 492.666760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 492.674722] CR0=0000000080050033 CR3=00000001b9bbe000 CR4=00000000001426e0 [ 492.678563] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000004 [ 492.915846] Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff87601610 [ 492.922526] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 492.928585] *** Control State *** [ 492.932063] PinBased=0000003f CPUBased=b599edfa SecondaryExec=000000ca [ 492.938738] EntryControls=0000d1ff ExitControls=0023efff [ 492.944205] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 [ 492.951158] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 492.957840] VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 [ 492.964428] reason=80000021 qualification=0000000000000000 [ 492.970754] IDTVectoring: info=00000000 errcode=00000000 [ 492.976206] TSC Offset = 0xfffffef56ad8236b [ 492.980536] EPT pointer = 0x00000001b9af101e [ 492.987874] *** Guest State *** [ 492.991344] CR0: actual=0x0000000000000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 [ 493.000242] CR4: actual=0x0000000000306457, shadow=0x0000000000306407, gh_mask=ffffffffffffe871 [ 493.009114] CR3 = 0x00000000fffbc000 [ 493.012872] RSP = 0x0000000000000f80 RIP = 0x0000000000000000 [ 493.018880] RFLAGS=0x00000002 DR7 = 0x0000000000000400 [ 493.024923] Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 [ 493.031621] CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 [ 493.039614] DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 493.047611] SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 493.055616] ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 493.063597] FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 493.071587] GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 [ 493.079590] GDTR: limit=0x000007ff, base=0x0000000000001000 [ 493.087581] LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 [ 493.095585] IDTR: limit=0x000001ff, base=0x0000000000003800 [ 493.103580] TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 [ 493.111578] EFER = 0x0000000000000001 PAT = 0x0007040600070406 [ 493.118057] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 493.125518] Interruptibility = 00000008 ActivityState = 00000000 [ 493.131760] *** Host State *** [ 493.134967] RIP = 0xffffffff811ee723 RSP = 0xffff88018bf27370 [ 493.140959] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 493.147396] FSBase=00007f1b90315700 GSBase=ffff8801db100000 TRBase=fffffe0000034000 [ 493.155207] GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 [ 493.161108] CR0=0000000080050033 CR3=00000001b9bbe000 CR4=00000000001426e0 [ 493.168139] Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff87601610 [ 493.174818] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 493.180905] *** Control State *** [ 493.184385] PinBased=0000003f CPUBased=b599edfa SecondaryExec=000000ca [ 493.191092] EntryControls=0000d1ff ExitControls=0023efff [ 493.196567] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 [ 493.203520] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 493.210199] VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 [ 493.211308] *** Guest State *** [ 493.216812] reason=80000021 qualification=0000000000000000 [ 493.216821] IDTVectoring: info=00000000 errcode=00000000 [ 493.216827] TSC Offset = 0xfffffef56ad8236b [ 493.216839] EPT pointer = 0x00000001b9af101e [ 493.220136] CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 493.249683] CR4: actual=0x0000000000306457, shadow=0x0000000000306407, gh_mask=ffffffffffffe871 [ 493.258545] CR3 = 0x00000000fffbc000 [ 493.262287] RSP = 0x0000000000000f80 RIP = 0x0000000000000000 [ 493.268285] RFLAGS=0x00000002 DR7 = 0x0000000000000400 [ 493.274287] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 493.280975] CS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.288971] DS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.296984] SS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.305000] ES: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.313042] FS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.321064] GS: sel=0x0000, attr=0x08093, limit=0xffffffff, base=0x0000000000000000 [ 493.329052] GDTR: limit=0x000007ff, base=0x0000000000001000 [ 493.337058] LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 [ 493.345065] IDTR: limit=0x00000000, base=0x0000000000000000 [ 493.353065] TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 [ 493.361056] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 493.367479] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 493.374937] Interruptibility = 00000008 ActivityState = 00000000 [ 493.381177] *** Host State *** [ 493.384382] RIP = 0xffffffff811ee723 RSP = 0xffff8801b1437370 [ 493.390374] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 493.396811] FSBase=00007f1b902d2700 GSBase=ffff8801db000000 TRBase=fffffe0000003000 [ 493.404619] GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 [ 493.410534] CR0=0000000080050033 CR3=00000001b9bbe000 CR4=00000000001426f0 [ 493.417586] Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff87601610 [ 493.424272] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 493.430341] *** Control State *** [ 493.433806] PinBased=0000003f CPUBased=b599edfa SecondaryExec=000000ca 2018/04/06 07:05:47 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:47 executing program 4: perf_event_open(&(0x7f0000d2af88)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x1e, 0x2000000000000005, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000040)={'bridge0\x00', &(0x7f0000000080)=ANY=[@ANYBLOB="03be2f9a46d784136d334876a81b7a748b0efe117d5c6765e43d0a3527a29f1304405a04f3cb6fb9b89d39affe8ed9255ff9e8453cb66fba52b63ccc65a1430931a6c9f204e1255feb3d40a6f18d1e42b84814ef3e80963a8526712d"]}) 2018/04/06 07:05:47 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:47 executing program 5: r0 = socket$nl_generic(0xa, 0x3, 0x10) chdir(&(0x7f0000000040)='./file0\x00') setsockopt$netlink_NETLINK_RX_RING(r0, 0x29, 0x22, &(0x7f0000000000)={0x2, 0x20002}, 0x10) 2018/04/06 07:05:47 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xf5ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:47 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x15000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:47 executing program 0 (fault-call:3 fault-nth:5): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:47 executing program 3: r0 = socket$inet(0x2, 0x6, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc\x00', 0x200000, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000100)={0x4, 0x0, 0x1000}, 0x4) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000040)=@broute={'broute\x00', 0x20, 0x1, 0x1e0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200001c0], 0x0, &(0x7f0000000000), &(0x7f00000001c0)=ANY=[@ANYBLOB="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"]}, 0x258) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000140)={0xd8, 0x0, 0x10000, 0x6}) ioctl$DRM_IOCTL_SG_FREE(r1, 0x40106439, &(0x7f0000000180)={0x0, r2}) [ 493.440482] EntryControls=0000d1ff ExitControls=0023efff [ 493.445947] ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 [ 493.452893] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 493.459576] VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 [ 493.466182] reason=80000021 qualification=0000000000000000 [ 493.472533] IDTVectoring: info=00000000 errcode=00000000 [ 493.477998] TSC Offset = 0xfffffef4fff2e888 [ 493.482359] EPT pointer = 0x00000001d708101e 2018/04/06 07:05:47 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x6000000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:47 executing program 5: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000002000)={0x0, 0x0, &(0x7f00000000c0)=@raw, &(0x7f0000000080)="47505d04", 0x7, 0x67, &(0x7f0000004f99)=""/103}, 0x48) write$binfmt_aout(r0, &(0x7f00000000c0)={{0x108, 0x10000, 0x55, 0x255, 0x21d, 0x5, 0x49, 0x400}, "2cddb746ce192bb477bda75b3962c5fdd951d3b6f55d9ee85d8804ac8aa7bbb2d03bb35207d5ff502c701c24bcea184f6bb61b8d8a708bb413938bb6ae95c623cdabc6139a4e3d130e250c6e37961949746180e26303f50e377382166800ec65161881eec98c451af2fe08ab1b1bb46e89a8aff8a662c30a15096d3e0501d377b89d4ac115ed7eab4210d5980c7e458004bab8a0108135415da0fcc4fe1b0b96542d5451d503f29b2e9d0c5eae27ee7306d171af3f83c54eccbffb2df245f9bedcb6e6e631", [[], []]}, 0x2e5) bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@call={0x85, 0x0, 0x0, 0x7}], {0x95}}, &(0x7f000000a000)='syzkaller\x00', 0x1, 0xc3, &(0x7f0000011f3d)=""/195}, 0x48) 2018/04/06 07:05:47 executing program 4: socketpair(0x8000000000001e, 0x805, 0x0, &(0x7f0000d24ff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$key(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000001140)={&(0x7f0000000080)=ANY=[]}, 0x1}, 0x0) write$tun(r1, &(0x7f0000000380)={@pi, @hdr, @ipv4={{0x5, 0x4, 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x0, 0x0, @multicast2=0xe0000002, @local={0xac, 0x14, 0x14, 0xaa}}, @gre={{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x880b}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x86dd}, {0x8, 0x88be, 0x0, {{0x0, 0x1}, 0x1}}, {0x8, 0x22eb, 0x0, {{0x0, 0x2}, 0x2}}, {0x8, 0x6558}}}}, 0x66) recvmsg(r0, &(0x7f0000000100)={&(0x7f00004afff8)=@sco, 0x80, &(0x7f000020ff70)=[{&(0x7f0000000040)=""/187, 0xbb}], 0x1, &(0x7f00002d0000)=""/4096, 0x1000}, 0x0) 2018/04/06 07:05:47 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:47 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_int(r0, 0x0, 0x19, &(0x7f0000625000), 0x4) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000000)={'\x00', {0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}) 2018/04/06 07:05:47 executing program 5: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_ASSIGN_SET_INTX_MASK(r1, 0x4040aea4, &(0x7f00000000c0)={0x1, 0x5, 0x2, 0x5, 0xffffffffffff1763}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) setrlimit(0x9, &(0x7f0000000200)) r2 = creat(&(0x7f0000000040)='./file0\x00', 0x103) getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000001240)=0x14) sendto$packet(r2, &(0x7f0000000100)="76cd7a15b511058aa41f23b2b99911744fe2c3651c510ed91d3d781ea66fee532dee9491c97291846d4360660592813f98a9513cad9e15eaf9040eb39f555ff928c348485e01e440f4788c3d9fae8a7f35beb6f65a8e4631cf616fd428108dd60a3ffc4b2e2172ef67dc3314275a9bdece9fab029153e92a37d271a8cf2667da5ab2eefcfe6ba98d01362eb44183385abe837300cdc9d1742a4501165af490b3503b60ce75a80e53f6372afff424f0a4d558fbe0b04fb03ed9", 0xb9, 0x40800, &(0x7f0000001280)={0x11, 0x19, r3, 0x1, 0x80, 0x6}, 0x14) ioctl$KVM_GET_NR_MMU_PAGES(r1, 0xae45, 0xfffffffffffffff7) pwrite64(r0, &(0x7f0000000240)="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", 0x1000, 0x55) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x101c42, 0x0) epoll_create1(0x7fffe) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) 2018/04/06 07:05:47 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0xffffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:47 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) [ 493.846424] FAULT_INJECTION: forcing a failure. [ 493.846424] name failslab, interval 1, probability 0, space 0, times 0 [ 493.857749] CPU: 1 PID: 27474 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 493.864585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.873927] Call Trace: [ 493.876526] dump_stack+0x1b9/0x29f [ 493.880158] ? arch_local_irq_restore+0x52/0x52 [ 493.884831] should_fail.cold.4+0xa/0x1a [ 493.888886] ? kstrdup_const+0x66/0x80 [ 493.892775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 493.897880] ? do_mkdirat+0x266/0x2f0 [ 493.901682] ? do_syscall_64+0x29e/0x9d0 [ 493.905742] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 493.911105] ? graph_lock+0x170/0x170 [ 493.914900] ? find_held_lock+0x36/0x1c0 [ 493.918957] ? print_usage_bug+0xc0/0xc0 [ 493.923020] ? find_held_lock+0x36/0x1c0 [ 493.927082] ? __lock_is_held+0xb5/0x140 [ 493.931154] ? check_same_owner+0x320/0x320 [ 493.935474] ? rcu_note_context_switch+0x710/0x710 [ 493.940404] ? rcu_read_lock_sched_held+0x108/0x120 [ 493.945420] should_failslab+0x124/0x180 [ 493.949482] kmem_cache_alloc+0x2af/0x760 [ 493.953623] ? memcpy+0x45/0x50 [ 493.956896] ? kstrdup+0x59/0x70 [ 493.960265] __kernfs_new_node+0xe7/0x580 [ 493.964413] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 493.969173] ? css_next_descendant_pre+0x77/0x190 [ 493.974019] ? cgroup_propagate_control+0x3e7/0x5a0 [ 493.979037] kernfs_new_node+0x80/0xf0 [ 493.982925] kernfs_create_dir_ns+0x3d/0x140 [ 493.987335] cgroup_mkdir+0x776/0x10d0 [ 493.991232] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 493.995986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 494.001518] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 494.006618] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 494.011458] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 494.016996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 494.022528] ? kernfs_get_active+0xb2/0x120 [ 494.026848] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 494.031601] kernfs_iop_mkdir+0x159/0x1e0 [ 494.035742] ? getname_flags+0xd0/0x5a0 [ 494.039720] vfs_mkdir+0x42e/0x6b0 [ 494.043258] do_mkdirat+0x266/0x2f0 [ 494.046886] ? SyS_mknod+0x40/0x40 [ 494.050429] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 494.055272] ? do_syscall_64+0xb7/0x9d0 [ 494.059249] SyS_mkdir+0x22/0x30 [ 494.062609] ? SyS_mkdirat+0x30/0x30 [ 494.066320] do_syscall_64+0x29e/0x9d0 [ 494.070201] ? vmalloc_sync_all+0x30/0x30 [ 494.074368] ? _raw_spin_unlock_irq+0x27/0x70 [ 494.078860] ? finish_task_switch+0x1ca/0x820 [ 494.083356] ? syscall_return_slowpath+0x5c0/0x5c0 [ 494.088282] ? syscall_return_slowpath+0x30f/0x5c0 [ 494.093215] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 494.098587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 494.103431] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 494.108613] RIP: 0033:0x4552d9 [ 494.111794] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 494.119501] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 494.126764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 494.134028] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 494.141290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 494.148551] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000005 2018/04/06 07:05:48 executing program 3: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = fcntl$getown(r0, 0x9) sched_getattr(r1, &(0x7f0000000080), 0x30, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x1, 0x100) getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000000), 0x4) 2018/04/06 07:05:48 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:48 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0xfffffffffffffffe, 0x101000) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000200)={{{@in6=@local, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@multicast2}}, &(0x7f0000000300)=0xe8) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000340)={r2, 0x1, 0x6, @random="2e14a90c597f"}, 0x10) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/udp\x00') setsockopt$ax25_int(r3, 0x101, 0xe, &(0x7f00000000c0), 0x4) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r3, 0xc0405519, &(0x7f0000000040)={0x0, 0x7, 0x2, 0x7, "2c363cbab4b9b2d801f57af678c9a83e8de3734a5b279bc94949ea1ab321b42853abb5dc5f0b664b96acc25b", 0x3}) sendmsg$nl_route(r0, &(0x7f0000823fc8)={&(0x7f0000e5c000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000000380)=ANY=[@ANYBLOB="140000001a00010000000000fcdbdf25800000001fcd2d3efc91a3f125bd48a4beb9b3745948c67720a3d7728c2623846443d3dd11a5f122b905ec67233c2747d7a10a69861f83ed31b06b948bff1d6723d6519f03e3e93023ea49984f0c91c63ff70048cd21fce86fd7cd16be05d7e246dcf36d7078ceeb3c0643fd79f37c3df3e60d773a"], 0x14}, 0x1}, 0x0) 2018/04/06 07:05:48 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x4000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:48 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:48 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000000000/0xf9a000)=nil, 0xf9a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000e63000/0x2000)=nil, 0x2000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x3, 0x101000) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_SET_CONFIG(r1, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x24004000}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x17c, r2, 0x30, 0x70bd27, 0x25dfdbff, {0xc}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x3}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10001}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DEST={0x2c, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x3}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x40}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x27bdf1e1}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x100}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x10000}, @IPVS_CMD_ATTR_SERVICE={0x40, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, 'lblc\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7e}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}]}, @IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x20}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x6c, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@multicast2=0xe0000002}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local={0xac, 0x14, 0x14, 0xaa}}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x1}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x73}]}, @IPVS_CMD_ATTR_SERVICE={0x2c, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x52}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}]}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @multicast2=0xe0000002}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x1a}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x3}]}]}, 0x17c}, 0x1}, 0x44000) setsockopt(r0, 0x1, 0x14, &(0x7f0000e64ff7)="d7fdaf620779890fd5325d3fa4e52881", 0x10) 2018/04/06 07:05:48 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:48 executing program 0 (fault-call:3 fault-nth:6): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/icmp\x00') sendfile(r0, r1, &(0x7f0000000080), 0x1000000000fe) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000000c0)={0x0, 0xfff}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000140)={r2, 0x2, 0x9, 0xff, 0xe2, 0x4}, 0x14) 2018/04/06 07:05:48 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x2}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:48 executing program 4: r0 = userfaultfd(0x800) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f000000efe8)={0xaa}) mprotect(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1) ioctl$UFFDIO_REGISTER(r0, 0x8010aa02, &(0x7f00000000c0)={{&(0x7f0000006000/0x2000)=nil, 0x2000}, 0x20}) r1 = socket$inet_smc(0x2b, 0x1, 0x0) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000000)={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0xc}}, {0x7, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1a}}, 0x60, {0x2, 0x4e20, @broadcast=0xffffffff}, 'gretap0\x00'}) 2018/04/06 07:05:48 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:48 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) sendmmsg(r0, &(0x7f0000001e80)=[{{&(0x7f0000000000)=@in={0x2, 0x4e20}, 0x80, &(0x7f0000000080), 0x0, &(0x7f0000000080)}}, {{&(0x7f00000002c0)=@in={0x2, 0x4e21, @broadcast=0xffffffff}, 0x80, &(0x7f00000001c0), 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000000000000007000000203a74209d95ec51"], 0x18}}], 0x2, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000140)='/dev/dsp#\x00', 0x8, 0x8000) bind$netlink(r1, &(0x7f0000000180)={0x10, 0x0, 0x25dfdbfd, 0x40}, 0xc) r2 = fcntl$dupfd(r0, 0x0, r0) getsockopt$inet6_tcp_int(r2, 0x6, 0xa, &(0x7f0000000080), &(0x7f0000000100)=0x4) 2018/04/06 07:05:48 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000100)={@ipv4={[], [0xff, 0xff], @rand_addr=0x5}, 0x2, 0x2, 0x1, 0x4, 0x7e7, 0x4, 0xc72}, 0x20) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'vmac(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000000c0)="010100010000000000000000409d9256", 0x10) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/autofs\x00', 0x141500, 0x0) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000140), &(0x7f0000000400)=0x4) openat$ipvs(0xffffffffffffff9c, &(0x7f00000017c0)='/proc/sys/net/ipv4/vs/sloppy_tcp\x00', 0x2, 0x0) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f0000001840)={0x100000000, {0x2, 0x4e20, @multicast1=0xe0000001}, {0x2, 0x4e24, @broadcast=0xffffffff}, {0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x100, 0x7, 0x8000, 0x8, 0x46, &(0x7f0000001800)='ip6gre0\x00', 0x0, 0x21c0000000000000, 0x3}) r2 = accept$alg(r0, 0x0, 0x0) getsockopt$IP6T_SO_GET_INFO(0xffffffffffffffff, 0x29, 0x40, &(0x7f0000000480)={'raw\x00'}, &(0x7f0000000500)=0x54) write$vnet(r2, &(0x7f0000000380)={0x1, {&(0x7f0000000180)=""/231, 0x230, &(0x7f0000000280)=""/195}}, 0xfee1) 2018/04/06 07:05:48 executing program 4: recvfrom(0xffffffffffffffff, &(0x7f0000000280)=""/191, 0xbf, 0x0, &(0x7f0000000340)=@can={0x1d}, 0x80) r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x82) r1 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = memfd_create(&(0x7f00000000c0)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, 0xffffffffffffffff) pwritev(r2, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000200)='/dev/loop-control\x00', 0x800, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000640)={0x0, @in={{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}}, &(0x7f0000000700)=0x84) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000000100)={0x8, 0x0, 0x2, 0x2, r4}, &(0x7f0000000140)=0x51) ioctl$DRM_IOCTL_WAIT_VBLANK(r2, 0xc018643a, &(0x7f0000000500)={0x0, 0x3ff, 0x2c}) fcntl$F_SET_RW_HINT(r2, 0x40c, &(0x7f0000000600)) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r2) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000240)='/dev/loop-control\x00', 0x100, 0x0) r5 = socket(0xa, 0x0, 0x0) ioctl(r5, 0x8916, &(0x7f0000000000)) fcntl$setlease(r1, 0x400, 0x3) ioctl(0xffffffffffffffff, 0x8936, &(0x7f0000000000)) r6 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r6, 0x8914, &(0x7f00000000c0)={'bridge0\x00', 0x21fff}) ioctl$sock_inet_SIOCSIFFLAGS(r6, 0x8914, &(0x7f0000000140)={'bridge0\x00\x00 \x00'}) sendfile(r0, r0, &(0x7f0000000080)=0x5f, 0x102000004) ioctl$LOOP_CLR_FD(r0, 0x4c01) sync() getsockopt$inet_mreqn(r5, 0x0, 0x27, &(0x7f0000000180)={@empty, @multicast2, 0x0}, &(0x7f00000001c0)=0xc) ioctl$sock_inet6_SIOCDIFADDR(r5, 0x8936, &(0x7f00000003c0)={@mcast1={0xff, 0x1, [], 0x1}, 0x7, r7}) openat$cuse(0xffffffffffffff9c, &(0x7f0000000580)='/dev/cuse\x00', 0x82400, 0x0) dup2(r2, r0) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f0000000000)=0x9, 0x8) 2018/04/06 07:05:48 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x80ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:48 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x6000000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 494.916134] device bridge0 entered promiscuous mode [ 494.935149] device bridge0 left promiscuous mode [ 494.978605] FAULT_INJECTION: forcing a failure. [ 494.978605] name failslab, interval 1, probability 0, space 0, times 0 [ 494.990806] CPU: 0 PID: 27536 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 494.997658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 495.006998] Call Trace: [ 495.009580] dump_stack+0x1b9/0x29f [ 495.013198] ? arch_local_irq_restore+0x52/0x52 [ 495.017859] should_fail.cold.4+0xa/0x1a [ 495.021907] ? print_usage_bug+0xc0/0xc0 [ 495.025955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 495.031047] ? graph_lock+0x170/0x170 [ 495.034834] ? lock_downgrade+0x8e0/0x8e0 [ 495.038973] ? find_held_lock+0x36/0x1c0 [ 495.043029] ? __lock_is_held+0xb5/0x140 [ 495.047084] ? check_same_owner+0x320/0x320 [ 495.051390] ? radix_tree_clear_tags+0xc0/0xc0 [ 495.055957] ? rcu_note_context_switch+0x710/0x710 [ 495.060870] ? lock_release+0xa10/0xa10 [ 495.064833] should_failslab+0x124/0x180 [ 495.068880] __kmalloc_track_caller+0x2c4/0x760 [ 495.073532] ? __might_sleep+0x95/0x190 [ 495.077493] ? ___ratelimit.cold.2+0x6a/0x6a [ 495.081887] ? kstrdup_const+0x66/0x80 [ 495.085759] kstrdup+0x39/0x70 [ 495.088941] kstrdup_const+0x66/0x80 [ 495.092642] __kernfs_new_node+0xa8/0x580 [ 495.096779] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 495.101524] ? find_held_lock+0x36/0x1c0 [ 495.105569] ? kasan_check_read+0x11/0x20 [ 495.109705] ? read_word_at_a_time+0x12/0x20 [ 495.114120] ? strscpy+0x170/0x510 [ 495.117657] kernfs_new_node+0x80/0xf0 [ 495.121537] __kernfs_create_file+0x4d/0x330 [ 495.125935] cgroup_addrm_files+0x437/0xaf0 [ 495.130253] ? cgroup_css.part.14+0x1f0/0x1f0 [ 495.134736] ? __getnstimeofday64+0x3a8/0x500 [ 495.139219] ? getrawmonotonic64+0x4e0/0x4e0 [ 495.143617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.149140] ? kernfs_active+0x128/0x1b0 [ 495.153187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.158888] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 495.163369] ? cgroup_file_name+0x1f0/0x1f0 [ 495.167681] css_populate_dir+0x35f/0x420 [ 495.171824] cgroup_mkdir+0x807/0x10d0 [ 495.175706] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 495.180448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.185972] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 495.191060] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 495.195888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 495.201413] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 495.206938] ? kernfs_get_active+0xb2/0x120 [ 495.211249] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 495.215992] kernfs_iop_mkdir+0x159/0x1e0 [ 495.220128] ? getname_flags+0xd0/0x5a0 [ 495.224127] vfs_mkdir+0x42e/0x6b0 [ 495.227656] do_mkdirat+0x266/0x2f0 [ 495.231269] ? SyS_mknod+0x40/0x40 [ 495.234796] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 495.239628] ? do_syscall_64+0xb7/0x9d0 [ 495.243589] SyS_mkdir+0x22/0x30 [ 495.246939] ? SyS_mkdirat+0x30/0x30 [ 495.250637] do_syscall_64+0x29e/0x9d0 [ 495.254506] ? vmalloc_sync_all+0x30/0x30 [ 495.258639] ? _raw_spin_unlock_irq+0x27/0x70 [ 495.263118] ? finish_task_switch+0x1ca/0x820 [ 495.267598] ? syscall_return_slowpath+0x5c0/0x5c0 [ 495.272514] ? syscall_return_slowpath+0x30f/0x5c0 [ 495.277432] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 495.282781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 495.287612] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 495.292787] RIP: 0033:0x4552d9 [ 495.295957] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 495.303649] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 495.310901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 495.318153] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 495.325405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 495.332659] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000006 [ 495.340052] cgroup: cgroup_addrm_files: failed to add cgroup.type, err=-12 [ 495.427387] device bridge0 entered promiscuous mode [ 495.433488] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 495.444761] device bridge0 left promiscuous mode [ 495.460625] print_req_error: I/O error, dev loop0, sector 72 [ 495.466594] print_req_error: I/O error, dev loop0, sector 136 [ 495.472659] print_req_error: I/O error, dev loop0, sector 520 2018/04/06 07:05:49 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0xfffffffffffffffe, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/hwrng\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x236, 0x0, &(0x7f0000000100), 0x1b5) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_DEBUGREGS(0xffffffffffffffff, 0x4080aea2, &(0x7f0000000240)={[0x10000, 0x112000, 0x2000, 0x5004], 0x4, 0x62}) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000200)) ioctl$KVM_RUN(r3, 0xae80, 0x0) getsockopt$ARPT_SO_GET_ENTRIES(r2, 0x0, 0x61, &(0x7f0000000100)={'filter\x00', 0x67, "01b57ec21f1357543aee21a6f9d8616133d6f8ef31b53813f642d1a2b068062384d723344f50cd34b7d7f0d32e1d28eb3d7a9c07197b9b3ec7cddaf98ecbd835cd604dca75cc8a9c6b8c970e2265ddaa130860e0440df5bc09a1185aae854c08eec28891e12a03"}, &(0x7f0000000040)=0x8b) 2018/04/06 07:05:49 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(aes)\x00'}, 0x58) r1 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000240), 0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) accept$alg(r0, 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) listxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/117, 0x75) r2 = accept$alg(r0, 0x0, 0x0) close(r2) 2018/04/06 07:05:49 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:49 executing program 0 (fault-call:3 fault-nth:7): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:49 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x1000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:49 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x402000, 0x0) ioctl$VT_RELDISP(r1, 0x5605) r2 = dup2(r0, r0) ioctl$KVM_CHECK_EXTENSION_VM(r2, 0xae03, 0x20) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x4000, 0x0) openat(r3, &(0x7f0000000040)='./file0\x00', 0xfffffffffffffffd, 0x4) ioctl$BINDER_THREAD_EXIT(r3, 0x40046208, 0x0) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f00000005c0)={0x0, {0x2}, {0x2c00, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2}, 0xc8, 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)='gretap0\x00', 0xe3}) 2018/04/06 07:05:49 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:49 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x29000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:49 executing program 5: r0 = add_key(&(0x7f0000001240)='big_key\x00', &(0x7f0000001280)={0x73, 0x79, 0x7a}, &(0x7f00000012c0)="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", 0x4d1, 0xfffffffffffffffc) r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0xb0, 0x0) ioctl$sock_SIOCBRDELBR(r1, 0x89a1, &(0x7f0000000080)='syzkaller1\x00') perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) keyctl$read(0xb, r0, &(0x7f00000022c0)=""/4096, 0x1000) 2018/04/06 07:05:49 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x14, 0x22, 0x331, 0x0, 0x0, {0x6}}, 0x14}, 0x1}, 0x0) read(r0, &(0x7f00000000c0)=""/75, 0x4b) r1 = fcntl$getown(r0, 0x9) r2 = syz_open_procfs(r1, &(0x7f00000003c0)='ns/ipc\x00') ioctl$ASHMEM_GET_PIN_STATUS(r2, 0x7709, 0x0) name_to_handle_at(r2, &(0x7f0000000180)='./file0\x00', &(0x7f0000000280)={0x101, 0x2, "aaa2f9aebb315381017730cc496a05e04b2d5497028be9c892042a6e66334a773afbbea300d62ced87d411bd1921c03a59f7282e28ca19d2a9060994f0cc6c93208fc076f8e86cf72552800864acf72226ef3292f9f521407822335132ea33e3238406bbd9f9e5d5f0aa65f292ee006bf9065cdc9efdd0dcc89417085ab5ec04d82fc446d6656e8341412370079ed1070de11effc79e3a574091236b3518bb71b52f0596f608ef5a894677d35c470d50919afa41f6c5f28e5baf7b22df0fcfb7817b7badb8f8dc6394bb59e3fdbcb7e6284c47e3385e3682ec4b65279c736bcbadbc511c7680814d6ec2fff79a0ff1fbbfce46114b8e6c3918"}, &(0x7f00000001c0), 0x400) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r2, 0x84, 0x20, &(0x7f0000000080)=0x3, 0x4) 2018/04/06 07:05:49 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:49 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0H', 0x0) 2018/04/06 07:05:49 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfec0}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:49 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x2, &(0x7f0000000ff0)=[{0x28, 0x0, 0x0, 0xfffffffffffff020}, {0x80000006, 0x6, 0xffffffffffffffff}]}, 0x10) r1 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x0) poll(&(0x7f00000001c0)=[{r1, 0x20c8}], 0x1, 0x7c0f51e2) ioctl$EVIOCGEFFECTS(r1, 0x80044584, &(0x7f0000000100)=""/157) ioctl$int_in(r0, 0x5452, &(0x7f0000000040)=0x21) ioctl$EVIOCGEFFECTS(r1, 0x80044584, &(0x7f0000001000)=""/4096) [ 495.803484] FAULT_INJECTION: forcing a failure. [ 495.803484] name failslab, interval 1, probability 0, space 0, times 0 [ 495.814766] CPU: 0 PID: 27592 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 495.821612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 495.830965] Call Trace: [ 495.833555] dump_stack+0x1b9/0x29f [ 495.837191] ? arch_local_irq_restore+0x52/0x52 [ 495.841881] should_fail.cold.4+0xa/0x1a [ 495.845940] ? print_usage_bug+0xc0/0xc0 [ 495.849986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 495.855078] ? rcu_read_lock_sched_held+0x108/0x120 [ 495.860079] ? graph_lock+0x170/0x170 [ 495.863869] ? lock_downgrade+0x8e0/0x8e0 [ 495.868020] ? find_held_lock+0x36/0x1c0 [ 495.872092] ? __lock_is_held+0xb5/0x140 [ 495.876155] ? check_same_owner+0x320/0x320 [ 495.880472] ? radix_tree_clear_tags+0xc0/0xc0 [ 495.885050] ? rcu_note_context_switch+0x710/0x710 [ 495.889973] ? lock_release+0xa10/0xa10 [ 495.893940] ? check_same_owner+0x320/0x320 [ 495.898249] should_failslab+0x124/0x180 [ 495.902306] __kmalloc_track_caller+0x2c4/0x760 [ 495.906969] ? __might_sleep+0x95/0x190 [ 495.910930] ? ___ratelimit.cold.2+0x6a/0x6a [ 495.915319] ? kasan_kmalloc+0xc4/0xe0 [ 495.919188] ? kstrdup_const+0x66/0x80 [ 495.923060] kstrdup+0x39/0x70 [ 495.926243] kstrdup_const+0x66/0x80 [ 495.929961] __kernfs_new_node+0xa8/0x580 [ 495.934104] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 495.938847] ? find_held_lock+0x36/0x1c0 [ 495.942900] ? kasan_check_read+0x11/0x20 [ 495.947049] ? read_word_at_a_time+0x12/0x20 [ 495.951440] ? strscpy+0x170/0x510 [ 495.954967] kernfs_new_node+0x80/0xf0 [ 495.958843] __kernfs_create_file+0x4d/0x330 [ 495.963248] cgroup_addrm_files+0x437/0xaf0 [ 495.967570] ? cgroup_css.part.14+0x1f0/0x1f0 [ 495.972064] ? __getnstimeofday64+0x3a8/0x500 [ 495.976629] ? getrawmonotonic64+0x4e0/0x4e0 [ 495.981043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.986572] ? kernfs_active+0x128/0x1b0 [ 495.990615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.996144] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 496.000633] ? cgroup_file_name+0x1f0/0x1f0 [ 496.004956] css_populate_dir+0x35f/0x420 [ 496.009089] cgroup_mkdir+0x807/0x10d0 [ 496.012980] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 496.017721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 496.023237] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 496.028335] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 496.033162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 496.038682] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 496.044203] ? kernfs_get_active+0xb2/0x120 [ 496.048505] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 496.053242] kernfs_iop_mkdir+0x159/0x1e0 [ 496.057371] ? getname_flags+0xd0/0x5a0 [ 496.061329] vfs_mkdir+0x42e/0x6b0 [ 496.064857] do_mkdirat+0x266/0x2f0 [ 496.068467] ? SyS_mknod+0x40/0x40 [ 496.071989] ? ksys_mount+0xa8/0x140 [ 496.075704] ? do_syscall_64+0xb7/0x9d0 [ 496.079672] SyS_mkdir+0x22/0x30 [ 496.083027] ? SyS_mkdirat+0x30/0x30 [ 496.086729] do_syscall_64+0x29e/0x9d0 [ 496.090598] ? vmalloc_sync_all+0x30/0x30 [ 496.094728] ? _raw_spin_unlock_irq+0x27/0x70 [ 496.099217] ? finish_task_switch+0x1ca/0x820 [ 496.103717] ? syscall_return_slowpath+0x5c0/0x5c0 [ 496.108641] ? syscall_return_slowpath+0x30f/0x5c0 [ 496.113562] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 496.118923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 496.123756] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 496.128929] RIP: 0033:0x4552d9 [ 496.132100] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 496.139796] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 496.147053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 496.154318] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 496.161571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 496.168823] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000007 [ 496.177110] cgroup: cgroup_addrm_files: failed to add cgroup.type, err=-12 2018/04/06 07:05:50 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x15555555555555fb, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000005000/0x18000)=nil, &(0x7f0000000400)=[@text64={0x40, &(0x7f0000000380)="26656465f30faec73e400fedc3c4c17e12e744790c2e0fc72ab9470b0000b87f6c0000ba000000000f30660f238566440f38822bc442593a510066ba610066b8002066ef", 0x44}], 0x1, 0x0, &(0x7f0000000440), 0x0) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000240)) ioctl$KVM_RUN(r2, 0xae80, 0x0) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000280)={{{@in, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in6=@local}}, &(0x7f0000000180)=0xe8) setreuid(r3, r4) 2018/04/06 07:05:50 executing program 5: r0 = getpgid(0x0) timer_create(0x1, &(0x7f0000000000)={0x0, 0x1c, 0x6, @tid=r0}, &(0x7f0000000040)) r1 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x0) mmap(&(0x7f000000a000/0x4000)=nil, 0x4000, 0x0, 0x12, r1, 0x0) madvise(&(0x7f000000a000/0x4000)=nil, 0x4000, 0xb) 2018/04/06 07:05:50 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x300}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:50 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:50 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile07', 0x0) 2018/04/06 07:05:50 executing program 0 (fault-call:3 fault-nth:8): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:50 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x84400, 0x0) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000140)={0x20, 0x4, 0x6, 0x1, 0x7, 0x3, 0x8001, 0x6e, 0xbfe2, 0x4, 0x4, 0x6}) r1 = socket$inet_dccp(0x2, 0x6, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x4180, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES32=0x0], &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f00000000c0)={r3, 0x400}, 0xc) r4 = dup(r1) setsockopt(r4, 0x100000800000010d, 0x2, &(0x7f0000003ff8)='\x00\x00\x00\x00', 0x4) 2018/04/06 07:05:50 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:50 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xff00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:50 executing program 5: socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCBRADDBR(r0, 0x89a0, &(0x7f0000000040)='ip6_vti0\x00') r2 = syz_open_dev$usbmon(&(0x7f0000000180)='/dev/usbmon#\x00', 0x9, 0xc2040) ioctl$TIOCCBRK(r2, 0x5428) r3 = openat$audio(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/audio\x00', 0x10d81, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r3, 0xc0a85320, &(0x7f00000000c0)={{0x1}, 'port0\x00', 0x8, 0x810, 0x7, 0xffffffff, 0xaf36f3500, 0x100000000, 0x80000000, 0x0, 0x1, 0x7ff}) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000eccfa8)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58) r5 = accept$alg(r4, 0x0, 0x0) io_setup(0x1, &(0x7f0000e4b000)=0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 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={&(0x7f0000082000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_submit(r6, 0x1, &(0x7f0000bd9fe0)=[&(0x7f0000617fc0)={0x0, 0x0, 0x0, 0x0, 0x0, r5, &(0x7f000007d000)="b3", 0x1}]) r7 = msgget$private(0x0, 0x8) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000080)={0x2000}) msgctl$IPC_INFO(r7, 0x3, &(0x7f00000001c0)=""/113) 2018/04/06 07:05:50 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653003", 0x0) 2018/04/06 07:05:50 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:50 executing program 3: r0 = inotify_init1(0x0) r1 = getpgrp(0x0) prctl$setptracer(0x59616d61, r1) fcntl$setown(r0, 0x8, 0xffffffffffffffff) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) r3 = dup(r0) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r3, 0x111, 0x3, 0xfffffffffffffffd, 0x4) ptrace$setopts(0x4206, r2, 0x0, 0x0) 2018/04/06 07:05:50 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000580)=ANY=[@ANYBLOB="0c010000100000042cbd7000ffdb"], 0x1}, 0x1, 0x0, 0x0, 0x4000040}, 0x0) ioctl$sock_bt_hidp_HIDPCONNADD(0xffffffffffffffff, 0x400448c8, &(0x7f0000000100)=ANY=[@ANYRES32=r2]) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$TUNATTACHFILTER(r3, 0x401054d5, &(0x7f00000000c0)={0x7, &(0x7f0000000040)=[{0x7ff, 0x9, 0x2, 0x7ff}, {0x30000000, 0x200, 0x2693, 0x100}, {0x2, 0x5, 0x7, 0xfffffffffffffffe}, {0xfffffffffffffffd, 0x7, 0xfffffffffffffffa, 0x101}, {0x9, 0x100000000, 0x2, 0x8}, {0x6, 0x13f, 0x5, 0x80}, {0xfffffffffffffffd, 0x88, 0x8, 0x100000000}]}) ioctl$KVM_SET_TSS_ADDR(r1, 0xae47, 0xd000) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000001000/0x1000)=nil}) ioctl$KDGKBTYPE(r2, 0x4b33, &(0x7f0000000140)) ioctl$KVM_RUN(r4, 0xae80, 0x0) 2018/04/06 07:05:50 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfffffff5}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:50 executing program 5: clock_nanosleep(0x2, 0x0, &(0x7f0000b85000)={0x0, 0x1c9c380}, &(0x7f0000443000)) prctl$setendian(0x14, 0x1) r0 = gettid() timer_create(0x0, &(0x7f0000000200)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) tgkill(r0, r0, 0x13) tkill(r0, 0x1000000000016) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x202200, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffff9c, 0x84, 0xd, &(0x7f0000000040)=@assoc_value={0x0, 0x8001}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000000c0)={r2, @in={{0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x84) [ 496.977366] ptrace attach of "/root/syz-executor3"[4509] was attempted by "/root/syz-executor3"[27637] [ 497.079740] FAULT_INJECTION: forcing a failure. [ 497.079740] name failslab, interval 1, probability 0, space 0, times 0 [ 497.091234] CPU: 0 PID: 27649 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 497.098090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.107431] Call Trace: [ 497.110012] dump_stack+0x1b9/0x29f [ 497.113635] ? arch_local_irq_restore+0x52/0x52 [ 497.118289] ? radix_tree_clear_tags+0xc0/0xc0 [ 497.122866] should_fail.cold.4+0xa/0x1a [ 497.126917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 497.132009] ? __might_sleep+0x95/0x190 [ 497.135976] ? graph_lock+0x170/0x170 [ 497.139761] ? __mutex_lock+0x7d9/0x17f0 [ 497.143811] ? kasan_kmalloc+0xc4/0xe0 [ 497.147682] ? kasan_slab_alloc+0x12/0x20 [ 497.151816] ? kmem_cache_alloc+0x12e/0x760 [ 497.156164] ? find_held_lock+0x36/0x1c0 [ 497.160214] ? __lock_is_held+0xb5/0x140 [ 497.164267] ? check_same_owner+0x320/0x320 [ 497.168576] ? rcu_note_context_switch+0x710/0x710 [ 497.173497] should_failslab+0x124/0x180 [ 497.177551] __kmalloc_track_caller+0x2c4/0x760 [ 497.182205] ? kasan_check_read+0x11/0x20 [ 497.186338] ? do_raw_spin_unlock+0x9e/0x2e0 [ 497.190733] ? kstrdup_const+0x66/0x80 [ 497.194605] kstrdup+0x39/0x70 [ 497.197786] kstrdup_const+0x66/0x80 [ 497.201489] __kernfs_new_node+0xa8/0x580 [ 497.205633] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 497.210375] ? find_held_lock+0x36/0x1c0 [ 497.214422] ? kasan_check_read+0x11/0x20 [ 497.218554] ? read_word_at_a_time+0x12/0x20 [ 497.222946] ? strscpy+0x170/0x510 [ 497.226473] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 497.232001] kernfs_new_node+0x80/0xf0 [ 497.235885] __kernfs_create_file+0x4d/0x330 [ 497.240282] cgroup_addrm_files+0x437/0xaf0 [ 497.244592] ? cgroup_css.part.14+0x1f0/0x1f0 [ 497.249073] ? __getnstimeofday64+0x3a8/0x500 [ 497.253556] ? getrawmonotonic64+0x4e0/0x4e0 [ 497.257952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.263473] ? kernfs_active+0x128/0x1b0 [ 497.267522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.273042] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 497.277519] ? cgroup_file_name+0x1f0/0x1f0 [ 497.281829] css_populate_dir+0x35f/0x420 [ 497.285966] cgroup_mkdir+0x807/0x10d0 [ 497.289844] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 497.294586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.300111] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 497.305200] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 497.310031] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 497.315553] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 497.322554] ? kernfs_get_active+0xb2/0x120 [ 497.326861] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 497.331601] kernfs_iop_mkdir+0x159/0x1e0 [ 497.335741] ? getname_flags+0xd0/0x5a0 [ 497.339701] vfs_mkdir+0x42e/0x6b0 [ 497.343225] do_mkdirat+0x266/0x2f0 [ 497.346837] ? SyS_mknod+0x40/0x40 [ 497.350364] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 497.355190] ? do_syscall_64+0xb7/0x9d0 [ 497.359145] SyS_mkdir+0x22/0x30 [ 497.362492] ? SyS_mkdirat+0x30/0x30 [ 497.366188] do_syscall_64+0x29e/0x9d0 [ 497.370059] ? vmalloc_sync_all+0x30/0x30 [ 497.374192] ? _raw_spin_unlock_irq+0x27/0x70 [ 497.378671] ? finish_task_switch+0x1ca/0x820 [ 497.383151] ? syscall_return_slowpath+0x5c0/0x5c0 [ 497.388063] ? syscall_return_slowpath+0x30f/0x5c0 [ 497.392980] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 497.398330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 497.403160] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 497.408331] RIP: 0033:0x4552d9 [ 497.411505] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 497.419198] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 497.426449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 497.433703] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 497.440954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 497.448207] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000008 [ 497.455557] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/04/06 07:05:51 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x700) 2018/04/06 07:05:51 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530e0", 0x0) 2018/04/06 07:05:51 executing program 3: r0 = perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000040)) mq_unlink(&(0x7f0000000180)='(/md5sumselinux:trusted{{%\x00') syz_open_dev$usbmon(&(0x7f0000000080)='/dev/usbmon#\x00', 0x80, 0x200401) 2018/04/06 07:05:51 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfe800000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:51 executing program 0 (fault-call:3 fault-nth:9): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:51 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = semget$private(0x0, 0x7, 0x4) semctl$IPC_STAT(r0, 0x0, 0x2, &(0x7f0000000240)=""/190) r1 = semget$private(0x0, 0x7, 0x150) r2 = syz_open_dev$sg(&(0x7f0000000140)='/dev/sg#\x00', 0x101, 0x210002) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000200)={r2, &(0x7f0000000180)="0e80c9104c61a5ecc56dfbe9758355d6234047094a37feb83cf5d40accc721a5e12678ccffac141f96f86c030f7ac8cbd6ae8a1c2696ee09ccdfc1351ed6c23216b553b6af4eb0d92127364effdf3f34ed1cac61f0f3aea9e2e6060f281f74ad3c8b67f08ff3c653", &(0x7f0000000300)="16e727d175de8804b6283da5dae717628f681d1c0a226dee94cc78b7416ab5a8fe54f24c0448b7739f1c439bd0cf81a5abcb76a34adb64fd4de1a1c3baff79e8de160932c5da2c7b867852aa07a39af450f687998c7b080c8eb62277cf6378b5ce2099ac9791bb649f8fe08cc89246fcd92bcd3b9d00f946be3ca034eb3749a8fcac166cfa76c0d20641ce2dbb4c2b51bb0f141b6b3b4fab7c68c714ba20feb1244a8b99524552718706292af1e6b605652f7eff33a08f4645ccd1a9d4d37328542e2b0b9cbe1a469c9a1b15938b2e37131b04b5f8767b53", 0x3}, 0x20) semtimedop(r1, &(0x7f0000000040)=[{0x3, 0x3ff, 0x800}, {0x1, 0x6, 0x1800}, {0x1, 0x80, 0x1800}], 0x3, &(0x7f0000000080)={0x77359400}) shmget$private(0x0, 0x2000, 0x400, &(0x7f0000ffe000/0x2000)=nil) shmctl$SHM_LOCK(0x0, 0xb) bpf$BPF_PROG_DETACH(0x9, &(0x7f00000000c0)={0x0, r2, 0xaefd6bb56b8abc22, 0x2}, 0x14) 2018/04/06 07:05:51 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpu.stat\x00', 0x0, 0x0) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)="75df1db4a49611f9c5de8339e2ad3220c8799ac4e62b15860abb2cf88c94b0ff69a221e36ee81d48371ddcdd") r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000002ff6)='/dev/ptmx\x00', 0x4000, 0x0) mmap(&(0x7f0000000000/0x18000)=nil, 0x18000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$int_in(r1, 0x80000000005405, &(0x7f0000003ff8)=0x871) flistxattr(r1, &(0x7f0000000080)=""/202, 0xca) socket$nl_crypto(0x10, 0x3, 0x15) r2 = shmget$private(0x0, 0x1000, 0x949, &(0x7f000000a000/0x1000)=nil) shmat(r2, &(0x7f0000009000/0x1000)=nil, 0x1000) ioctl$EVIOCGVERSION(r0, 0x80044501, &(0x7f0000000180)=""/36) openat$sequencer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer\x00', 0x300, 0x0) 2018/04/06 07:05:51 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:51 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xc0ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:51 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xf802) 2018/04/06 07:05:51 executing program 4: r0 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r0, &(0x7f0000a66000)={0x2, 0x4e20, @rand_addr=0x7fffffff}, 0x10) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000180)={0x0, 0x5}, &(0x7f00000001c0)=0x8) sendmsg$inet_sctp(r0, &(0x7f0000000280)={&(0x7f0000000040)=@in={0x2, 0x4e20, @loopback=0x7f000001}, 0x10, &(0x7f0000000140)=[{&(0x7f0000000080)="07fd64f8e0d948e7665e27cfd0408e79641a46c7a5ef98db96d82f3e63057e2d394f9898f61e809db780b4ff95c27d0fd49b37bfea307dff29b36260bb52db6a74fa44e59f5e829fec1f6b26234eeda58fa9827c6a0043e16be432c78b8a6bf8858a9d0dbb36a003bf8189cf3ebd6a85ca73c4f24a8535446b", 0x79}, {&(0x7f0000000100)="a4be6233da3bbd3b1afc2b8b72f9110d0dbd1b7633d74acfc02bf2d9e98f524109c7082752a504096377a5", 0x2b}], 0x2, &(0x7f0000000200)=[@sndinfo={0x20, 0x84, 0x2, {0x5, 0x8000, 0x1, 0xe4, r1}}, @init={0x18, 0x84, 0x0, {0x3, 0x4, 0xffffffff, 0xfffffffffffffffc}}], 0x60, 0x4000}, 0x880) listen(r0, 0x68400000009) ioctl$sock_netrom_SIOCGSTAMPNS(r0, 0x8907, &(0x7f0000000000)) accept4(r0, 0x0, &(0x7f0000000000)=0x59c, 0x0) 2018/04/06 07:05:51 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa}, 0x1c) fchmod(r0, 0x1) close(r0) write$binfmt_elf32(r0, &(0x7f0000000000)={{0x7f, 0x45, 0x4c, 0x46, 0x1000, 0x716, 0x101, 0x6, 0xa1e, 0x3, 0x6, 0x9, 0x2f4, 0x38, 0x282, 0x400, 0x1, 0x20, 0x2, 0x3, 0xbbd0, 0x3}, [{0x6, 0x6, 0x18, 0x4, 0x9, 0x3, 0x3, 0xff}], "8b7152ef1115e838d3490f0739c07022897838f79b12eb4764272b0a5660228326b328b830e54a460dca3886dc5b4fbc821546a37d9f769a4e", [[], [], [], [], [], [], []]}, 0x791) 2018/04/06 07:05:51 executing program 5: r0 = dup3(0xffffffffffffff9c, 0xffffffffffffffff, 0x80000) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000000)={0x4, 0x0, [0x0, 0x0, 0x0, 0x0]}) mlockall(0x2) r1 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffa000/0x4000)=nil) shmat(r1, &(0x7f0000ffa000/0x3000)=nil, 0x4000) 2018/04/06 07:05:51 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ba", 0x0) 2018/04/06 07:05:51 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x600}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:51 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x4000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 498.155399] FAULT_INJECTION: forcing a failure. [ 498.155399] name failslab, interval 1, probability 0, space 0, times 0 [ 498.166726] CPU: 1 PID: 27696 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 498.173561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.182905] Call Trace: [ 498.185480] dump_stack+0x1b9/0x29f [ 498.189098] ? arch_local_irq_restore+0x52/0x52 [ 498.193749] ? radix_tree_clear_tags+0xc0/0xc0 [ 498.198329] should_fail.cold.4+0xa/0x1a [ 498.202378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 498.207464] ? __might_sleep+0x95/0x190 [ 498.211427] ? graph_lock+0x170/0x170 [ 498.215211] ? __mutex_lock+0x7d9/0x17f0 [ 498.219256] ? kasan_kmalloc+0xc4/0xe0 [ 498.223121] ? kasan_slab_alloc+0x12/0x20 [ 498.227253] ? kmem_cache_alloc+0x12e/0x760 [ 498.231557] ? find_held_lock+0x36/0x1c0 [ 498.235600] ? __lock_is_held+0xb5/0x140 [ 498.239649] ? check_same_owner+0x320/0x320 [ 498.243967] ? rcu_note_context_switch+0x710/0x710 [ 498.248881] should_failslab+0x124/0x180 [ 498.252925] __kmalloc_track_caller+0x2c4/0x760 [ 498.257576] ? kasan_check_read+0x11/0x20 [ 498.261706] ? do_raw_spin_unlock+0x9e/0x2e0 [ 498.266098] ? kstrdup_const+0x66/0x80 [ 498.269976] kstrdup+0x39/0x70 [ 498.273159] kstrdup_const+0x66/0x80 [ 498.276855] __kernfs_new_node+0xa8/0x580 [ 498.280999] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 498.285746] ? find_held_lock+0x36/0x1c0 [ 498.289801] ? kasan_check_read+0x11/0x20 [ 498.293936] ? read_word_at_a_time+0x12/0x20 [ 498.298327] ? strscpy+0x170/0x510 [ 498.301850] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 498.307370] kernfs_new_node+0x80/0xf0 [ 498.311241] __kernfs_create_file+0x4d/0x330 [ 498.315631] cgroup_addrm_files+0x437/0xaf0 [ 498.319935] ? cgroup_css.part.14+0x1f0/0x1f0 [ 498.324412] ? __getnstimeofday64+0x3a8/0x500 [ 498.328888] ? getrawmonotonic64+0x4e0/0x4e0 [ 498.333277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.338794] ? kernfs_active+0x128/0x1b0 [ 498.342837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.348353] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 498.352825] ? cgroup_file_name+0x1f0/0x1f0 [ 498.357131] css_populate_dir+0x35f/0x420 [ 498.361261] cgroup_mkdir+0x807/0x10d0 [ 498.365134] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 498.369870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.375387] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 498.380470] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 498.385292] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 498.390810] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 498.396327] ? kernfs_get_active+0xb2/0x120 [ 498.400628] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 498.405368] kernfs_iop_mkdir+0x159/0x1e0 [ 498.409495] ? getname_flags+0xd0/0x5a0 [ 498.413453] vfs_mkdir+0x42e/0x6b0 [ 498.416974] do_mkdirat+0x266/0x2f0 [ 498.420590] ? SyS_mknod+0x40/0x40 [ 498.424125] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 498.428958] ? do_syscall_64+0xb7/0x9d0 [ 498.432912] SyS_mkdir+0x22/0x30 [ 498.436257] ? SyS_mkdirat+0x30/0x30 [ 498.439949] do_syscall_64+0x29e/0x9d0 [ 498.443816] ? vmalloc_sync_all+0x30/0x30 [ 498.447944] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 498.452767] ? syscall_return_slowpath+0x5c0/0x5c0 [ 498.457677] ? syscall_return_slowpath+0x30f/0x5c0 [ 498.462590] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 498.467938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 498.472762] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 498.477930] RIP: 0033:0x4552d9 [ 498.481429] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 498.489121] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 498.496370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 498.503618] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 498.510869] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 498.518129] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000009 [ 498.525607] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/04/06 07:05:52 executing program 3: r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000080)=0xc) quotactl(0x400000800001ff, &(0x7f00000eeff8)='./file0\x00', r1, &(0x7f00000002c0)="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") 2018/04/06 07:05:52 executing program 5: r0 = getpgid(0xffffffffffffffff) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='loginuid\x00') getsockopt$inet6_buf(r1, 0x29, 0xfb, &(0x7f0000001100)=""/186, &(0x7f0000000080)=0xba) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000), &(0x7f0000000040)=0xc) read(r1, &(0x7f0000000100)=""/4096, 0x1000) writev(r1, &(0x7f0000001240)=[{&(0x7f0000002400)='<', 0x1}], 0x1) 2018/04/06 07:05:52 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2e09) 2018/04/06 07:05:52 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfc00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:52 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:52 executing program 0 (fault-call:3 fault-nth:10): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000c22fa8)={0x26, 'hash\x00', 0x0, 0x0, 'ghash-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000), 0x0) io_setup(0x5, &(0x7f0000000000)=0x0) r2 = eventfd2(0x3, 0x80001) io_cancel(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x2, 0xce, r0, &(0x7f0000000040), 0x0, 0xfffffffffffffff7, 0x0, 0x1, r2}, &(0x7f00000000c0)) 2018/04/06 07:05:52 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:52 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x22090000) 2018/04/06 07:05:52 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x2020000000000016, &(0x7f0000d7b000), 0x0) 2018/04/06 07:05:52 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x29}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:52 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x400000, 0x0) getsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0xb) setsockopt$inet6_buf(r0, 0x29, 0x40000000000036, &(0x7f0000ec9000)="dc13b51a5b31306e78dd580871ab2144ece470e534cf0195f75d34c82d9d233f08008875c432d64ade0e8ce0442fbc50974e8e1195c604f8000000040002663d75dd0500000000000500000000090838a46611f937f96f7d4ff812a8f9fc3f0716e60000000000000000d359bdeb62e18a769c8600000004f8b9f3aee345d79eee7026fe40be9cda06a2f125e2c3525ad0ffffffffffffffff3dcc8501902d973e668fa3f9b8974fec92b836614657ade6035a6ca6556ddfaeda0896440f396f4b9b3e5a2db8352780dff40bb4937883", 0xd0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000000c0)={0x0, 0x40}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000140)={r2, 0xffffffffffffffff}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000000000), 0x0) 2018/04/06 07:05:52 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:52 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$inet6(0xa, 0x3, 0x3a) setsockopt(r1, 0x3a, 0x0, &(0x7f0000000080), 0x0) sendmsg$nl_generic(r0, &(0x7f0000018000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000013ff1)={&(0x7f0000000140)={0x24, 0x18, 0x1, 0x0, 0x0, {0x1}, [@nested={0x10, 0x6, [@typed={0xc, 0x0, @u64}]}]}, 0x24}, 0x1}, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x800, 0x0) syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0xa2d, 0x40000) ioctl$KVM_GET_MSR_INDEX_LIST(r2, 0xc004ae02, &(0x7f0000000080)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}) 2018/04/06 07:05:53 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x4) r1 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_int(r1, 0x0, 0xf, &(0x7f0000018000)=0x1, 0x4) bind$inet(r1, &(0x7f0000003ff0)={0x2, 0x0, @multicast2=0xe0000002}, 0x10) sendto$inet(r1, &(0x7f000001d000)="a9", 0x1, 0x0, &(0x7f0000004ff0)={0x2, 0x0, @rand_addr=0xfffffffffffffffe}, 0x10) uname(&(0x7f0000000000)=""/232) writev(r0, &(0x7f000051c000)=[{&(0x7f0000000140)="480000001400190d76a81014aed182f30284470080ffe00600000000000000a2bc5603ca0016087f89000000200000000101ff0000000309ff5bffff08c7e5ed5e00000000000000", 0x48}], 0x1) 2018/04/06 07:05:53 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x60}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 499.223718] netlink: 'syz-executor3': attribute type 6 has an invalid length. 2018/04/06 07:05:53 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x4000000) [ 499.265068] netlink: 'syz-executor3': attribute type 6 has an invalid length. [ 499.346981] FAULT_INJECTION: forcing a failure. [ 499.346981] name failslab, interval 1, probability 0, space 0, times 0 [ 499.358324] CPU: 1 PID: 27750 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 499.365163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 499.374514] Call Trace: [ 499.377095] dump_stack+0x1b9/0x29f [ 499.380711] ? arch_local_irq_restore+0x52/0x52 [ 499.385371] should_fail.cold.4+0xa/0x1a [ 499.389429] ? kstrdup_const+0x66/0x80 [ 499.393313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 499.398401] ? kernfs_iop_mkdir+0x159/0x1e0 [ 499.402706] ? do_mkdirat+0x266/0x2f0 [ 499.406489] ? SyS_mkdir+0x22/0x30 [ 499.410023] ? do_syscall_64+0x29e/0x9d0 [ 499.414091] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 499.419442] ? graph_lock+0x170/0x170 [ 499.423238] ? find_held_lock+0x36/0x1c0 [ 499.427309] ? find_held_lock+0x36/0x1c0 [ 499.431368] ? __lock_is_held+0xb5/0x140 [ 499.435417] ? check_same_owner+0x320/0x320 [ 499.439738] ? rcu_note_context_switch+0x710/0x710 [ 499.444660] ? rcu_read_lock_sched_held+0x108/0x120 [ 499.449669] should_failslab+0x124/0x180 [ 499.453721] kmem_cache_alloc+0x2af/0x760 [ 499.457860] ? memcpy+0x45/0x50 [ 499.461133] ? kstrdup+0x59/0x70 [ 499.464493] __kernfs_new_node+0xe7/0x580 [ 499.468628] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 499.473377] ? find_held_lock+0x36/0x1c0 [ 499.477422] ? kasan_check_read+0x11/0x20 [ 499.481554] ? read_word_at_a_time+0x12/0x20 [ 499.485956] ? strscpy+0x170/0x510 [ 499.489493] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 499.495043] kernfs_new_node+0x80/0xf0 [ 499.498923] __kernfs_create_file+0x4d/0x330 [ 499.503317] cgroup_addrm_files+0x437/0xaf0 [ 499.507622] ? cgroup_css.part.14+0x1f0/0x1f0 [ 499.512105] ? __getnstimeofday64+0x3a8/0x500 [ 499.516583] ? getrawmonotonic64+0x4e0/0x4e0 [ 499.520974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.526492] ? kernfs_active+0x128/0x1b0 [ 499.530536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.536059] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 499.540534] ? cgroup_file_name+0x1f0/0x1f0 [ 499.544841] css_populate_dir+0x35f/0x420 [ 499.548975] cgroup_mkdir+0x807/0x10d0 [ 499.552849] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 499.557598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.563122] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 499.568219] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 499.573056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 499.578594] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 499.584121] ? kernfs_get_active+0xb2/0x120 [ 499.588440] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 499.593181] kernfs_iop_mkdir+0x159/0x1e0 [ 499.597316] ? getname_flags+0xd0/0x5a0 [ 499.601276] vfs_mkdir+0x42e/0x6b0 [ 499.604801] do_mkdirat+0x266/0x2f0 [ 499.608414] ? SyS_mknod+0x40/0x40 [ 499.611958] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 499.616785] ? do_syscall_64+0xb7/0x9d0 [ 499.620741] SyS_mkdir+0x22/0x30 [ 499.624088] ? SyS_mkdirat+0x30/0x30 [ 499.627783] do_syscall_64+0x29e/0x9d0 [ 499.631665] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 499.636510] ? syscall_return_slowpath+0x5c0/0x5c0 [ 499.641422] ? syscall_return_slowpath+0x30f/0x5c0 [ 499.646344] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 499.651715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 499.656559] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 499.661739] RIP: 0033:0x4552d9 [ 499.664918] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 499.672605] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 499.679866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 499.687120] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 499.694395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 499.701645] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000a [ 499.709252] cgroup: cgroup_addrm_files: failed to add cgroup.procs, err=-12 2018/04/06 07:05:54 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x2082, 0x0) getsockopt(r0, 0x4, 0x1a, &(0x7f0000000140)=""/4096, &(0x7f0000000040)=0x1000) ioctl$sock_ipx_SIOCGIFADDR(r0, 0x8915, &(0x7f00000000c0)={'yam0\x00', {0x4, 0xd7, 0xe2a8, "0fb63b265b4d", 0x4}}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000011c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f0000001f4c)=[{{0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f000002f000)=""/7, 0x7}}, {{&(0x7f0000002fa8)=@alg, 0x58, &(0x7f000001c000), 0x0, &(0x7f000002ffa9)=""/87, 0x57}}], 0x2, 0x10000, 0x0) sendto(r2, &(0x7f0000018000), 0x0, 0x0, 0x0, 0x0) 2018/04/06 07:05:54 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\a', 0x0) 2018/04/06 07:05:54 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xffffffffffffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:54 executing program 3: mkdir(&(0x7f0000001000)='./file0\x00', 0x0) uname(&(0x7f0000002ac0)=""/4096) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext2\x00', &(0x7f00000000c0)='./file0\x00', 0x6, 0x2, &(0x7f00000001c0)=[{&(0x7f0000000100)="27c4cf92d7c8d039cbd2046e20d104c87f9b671168d4d54c11b8b97bbc740ffcfbbb73", 0x23, 0x6}, {&(0x7f0000000140)="ef98eb5482dae449157fbdc2b0f5f40fa7e8f7486f16900b4fc14c6ce094d95d07b181604f6692b35bcdac70176680ab74da7fb661751f73a421b45e64c30c0f3fa8af1f0c60f0c6396574537595edcfd363147cd655674436e860e0e21ef16066387229f661bba2724a3c0a4e23b3d03c6628bd163a6d2276a826ebb052", 0x7e, 0x750}], 0x20000, &(0x7f0000000200)={[{@nobh='nobh', 0x2c}, {@jqfmt_vfsold='jqfmt=vfsold', 0x2c}]}) mount(&(0x7f0000000a80)='./file0\x00', &(0x7f00000008c0)='./file0\x00', &(0x7f0000000a40)='sysfs\x00', 0x0, &(0x7f0000cde000)) r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000240)='/dev/audio\x00', 0x224001, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0206434, &(0x7f0000000280)={0x4, 0x0, 0x10003, 0x80000000}) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0206434, &(0x7f00000002c0)={0x3, r1, 0x1, 0x1f}) r2 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) getdents(r2, &(0x7f0000000ac0)=""/4096, 0x1000) 2018/04/06 07:05:54 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x100000000000000) 2018/04/06 07:05:54 executing program 0 (fault-call:3 fault-nth:11): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:54 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='veno\x00', 0x5) shutdown(r0, 0x1) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x80, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x0) 2018/04/06 07:05:54 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:54 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfe80000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:54 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xc0ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:54 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:05:54 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x10000000) 2018/04/06 07:05:54 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfec00000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:54 executing program 3: r0 = syz_open_dev$vcsa(&(0x7f0000000140)='/dev/vcsa#\x00', 0x0, 0x80100) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r0, 0xc08c5336, &(0x7f0000000180)={0x0, 0x8, 0x5, 'queue0\x00', 0x910}) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r1 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r1, 0x107, 0xd, &(0x7f0000001000), 0x47e) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000040)=@req3={0x0, 0x80000000}, 0x1c) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r2, 0xc08c5336, &(0x7f0000000080)={0x1, 0x0, 0xfff, 'queue0\x00', 0x3ff}) 2018/04/06 07:05:54 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfe80}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:54 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3600) [ 500.755918] FAULT_INJECTION: forcing a failure. [ 500.755918] name failslab, interval 1, probability 0, space 0, times 0 [ 500.767276] CPU: 1 PID: 27799 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 500.774113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 500.783969] Call Trace: [ 500.786558] dump_stack+0x1b9/0x29f [ 500.790175] ? arch_local_irq_restore+0x52/0x52 [ 500.794832] should_fail.cold.4+0xa/0x1a [ 500.798879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 500.803970] ? __lock_acquire+0x7f5/0x5130 [ 500.808194] ? graph_lock+0x170/0x170 [ 500.811979] ? __mutex_lock+0x7d9/0x17f0 [ 500.816050] ? find_held_lock+0x36/0x1c0 [ 500.820109] ? __lock_is_held+0xb5/0x140 [ 500.824164] ? check_same_owner+0x320/0x320 [ 500.828470] ? rcu_note_context_switch+0x710/0x710 [ 500.833383] ? perf_trace_lock_acquire+0xe3/0x980 [ 500.838215] should_failslab+0x124/0x180 [ 500.842271] __kmalloc_track_caller+0x2c4/0x760 [ 500.846924] ? kasan_check_read+0x11/0x20 [ 500.851060] ? graph_lock+0x170/0x170 [ 500.854844] ? kstrdup_const+0x66/0x80 [ 500.858713] kstrdup+0x39/0x70 [ 500.861898] kstrdup_const+0x66/0x80 [ 500.865605] __kernfs_new_node+0xa8/0x580 [ 500.869742] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 500.874481] ? kasan_check_read+0x11/0x20 [ 500.878617] ? read_word_at_a_time+0x12/0x20 [ 500.883020] ? strscpy+0x170/0x510 [ 500.886558] kernfs_new_node+0x80/0xf0 [ 500.890432] __kernfs_create_file+0x4d/0x330 [ 500.894831] cgroup_addrm_files+0x437/0xaf0 [ 500.899140] ? cgroup_css.part.14+0x1f0/0x1f0 [ 500.903620] ? __getnstimeofday64+0x3a8/0x500 [ 500.908098] ? getrawmonotonic64+0x4e0/0x4e0 [ 500.912491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 500.918015] ? kernfs_active+0x128/0x1b0 [ 500.922069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 500.927626] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 500.932113] ? cgroup_file_name+0x1f0/0x1f0 [ 500.936421] css_populate_dir+0x35f/0x420 [ 500.940561] cgroup_mkdir+0x807/0x10d0 [ 500.944435] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 500.949175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 500.954693] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 500.959780] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 500.964612] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 500.970153] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 500.975692] ? kernfs_get_active+0xb2/0x120 [ 500.980002] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 500.984771] kernfs_iop_mkdir+0x159/0x1e0 [ 500.988915] ? getname_flags+0xd0/0x5a0 [ 500.992885] vfs_mkdir+0x42e/0x6b0 [ 500.996410] do_mkdirat+0x266/0x2f0 [ 501.000034] ? SyS_mknod+0x40/0x40 [ 501.003569] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 501.008403] ? do_syscall_64+0xb7/0x9d0 [ 501.012365] SyS_mkdir+0x22/0x30 [ 501.015713] ? SyS_mkdirat+0x30/0x30 [ 501.019410] do_syscall_64+0x29e/0x9d0 [ 501.023280] ? vmalloc_sync_all+0x30/0x30 [ 501.027421] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 501.032257] ? syscall_return_slowpath+0x5c0/0x5c0 [ 501.037174] ? syscall_return_slowpath+0x30f/0x5c0 [ 501.042103] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 501.047462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 501.052301] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 501.057472] RIP: 0033:0x4552d9 [ 501.060647] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 501.068348] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 501.075608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 501.082871] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 501.090123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 501.097373] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000b [ 501.104946] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 2018/04/06 07:05:55 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:05:55 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x926) 2018/04/06 07:05:55 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x3f00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:55 executing program 0 (fault-call:3 fault-nth:12): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:55 executing program 5: lsetxattr(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)=@known='security.capability\x00', &(0x7f0000000400)='eth1\x00', 0x5, 0x3) rt_sigpending(&(0x7f00000000c0), 0x8) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00009a9000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f0000000180)={0x3, r1, 0x1}) ioctl$VHOST_SET_VRING_CALL(r2, 0x4008af21, &(0x7f0000000140)={0x1, r0}) ioctl$VHOST_NET_SET_BACKEND(r2, 0x4008af30, &(0x7f0000000080)={0x0, r2}) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0x10, &(0x7f0000000000)=[@in={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}]}, &(0x7f00000001c0)=0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000240)={r4, @in={{0x2, 0x4e24, @rand_addr=0x1}}, 0xffffffff, 0x0, 0x7, 0x8be, 0x90}, 0x98) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000001000/0x18000)=nil, &(0x7f0000000200)=[@text32={0x20, &(0x7f0000000040)="0f060f20dac5330f2293660f3a448a0a0000000066baf80cb81686848aef66bafc0c66b8060066ef660f3837d836f40fc75ce12ec4c18c5eec", 0x39}], 0x1, 0x0, &(0x7f00000001c0), 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) memfd_create(&(0x7f0000000340)='\x00', 0x1) 2018/04/06 07:05:55 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:55 executing program 4: r0 = socket$inet(0x2, 0x1, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000004c0)=@broute={'broute\x00', 0x20, 0x1, 0x240, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=[{0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xfffffffffffffffe, 0x1, [{{{0x5, 0x0, 0x86dd, 'syzkaller0\x00', 'tunl0\x00', 'sit0\x00', 'ifb0\x00', @empty, [], @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], 0x128, 0x160, 0x1b0, [@ip6={'ip6\x00', 0x50, {{@empty, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, [], [], 0x0, 0x0, 0x30}}}, @mark_m={'mark_m\x00', 0x18}]}, [@common=@dnat={'dnat\x00', 0x10, {{@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}}}]}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}}]}]}, 0x2b8) 2018/04/06 07:05:55 executing program 3: getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000000), &(0x7f000005c000)=0xfffffffffffffe37) ioctl$int_out(0xffffffffffffffff, 0x1, &(0x7f000005bff8)) r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000000040)=""/22) 2018/04/06 07:05:55 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000128000)={&(0x7f0000440000)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f000011adf8)=ANY=[@ANYBLOB="1448000002080100000000000000000004000010"], 0x14}, 0x1}, 0x0) r1 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(0xffffffffffffffff, 0x2405, 0xffffffffffffffff) ioctl$DRM_IOCTL_GET_MAGIC(0xffffffffffffffff, 0x80046402, &(0x7f00000000c0)) ioctl$KDGETMODE(r1, 0x4b3b, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000080)={0x0, 0x8000}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000180)={r2, 0x407, 0xfffffffffffffff7, 0x6, 0x5}, 0x14) epoll_create1(0x80000) prlimit64(0x0, 0x0, 0x0, 0x0) 2018/04/06 07:05:55 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfec0000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000f00000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000f8f000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000f77fc8)={0x0, 0x0, &(0x7f00006ec000), 0x0, &(0x7f00005c8fd0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) writev(r1, &(0x7f0000376ff0)=[{&(0x7f00000d8ece)="15b0e0be203f09df4425333944b79497f675bc1ceb755264d28bb55850aacf65", 0x20}], 0x1) recvmmsg(r1, &(0x7f0000f75da8)=[{{&(0x7f0000b86000)=@ethernet={0x0, @link_local}, 0x10, &(0x7f00007e9fa0)=[{&(0x7f0000032000)=""/60, 0x3c}], 0x1, &(0x7f00002c4000)=""/52, 0x34}}], 0x1, 0x0, &(0x7f00002d9000)) fcntl$getownex(r1, 0x10, &(0x7f0000000000)) 2018/04/06 07:05:55 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3409000000000000) [ 501.463400] FAULT_INJECTION: forcing a failure. [ 501.463400] name failslab, interval 1, probability 0, space 0, times 0 [ 501.474742] CPU: 1 PID: 27838 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 501.481584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 501.490923] Call Trace: [ 501.493500] dump_stack+0x1b9/0x29f [ 501.497114] ? arch_local_irq_restore+0x52/0x52 [ 501.501777] should_fail.cold.4+0xa/0x1a [ 501.505835] ? kstrdup_const+0x66/0x80 [ 501.509709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 501.514798] ? kernfs_iop_mkdir+0x159/0x1e0 [ 501.519103] ? do_mkdirat+0x266/0x2f0 [ 501.522886] ? SyS_mkdir+0x22/0x30 [ 501.526413] ? do_syscall_64+0x29e/0x9d0 [ 501.530462] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 501.535813] ? graph_lock+0x170/0x170 [ 501.539598] ? find_held_lock+0x36/0x1c0 [ 501.543648] ? print_usage_bug+0xc0/0xc0 [ 501.547698] ? find_held_lock+0x36/0x1c0 [ 501.551750] ? __lock_is_held+0xb5/0x140 [ 501.555802] ? check_same_owner+0x320/0x320 [ 501.560110] ? rcu_note_context_switch+0x710/0x710 [ 501.565030] ? rcu_read_lock_sched_held+0x108/0x120 [ 501.570043] should_failslab+0x124/0x180 [ 501.574092] kmem_cache_alloc+0x2af/0x760 [ 501.578226] ? memcpy+0x45/0x50 [ 501.581489] ? kstrdup+0x59/0x70 [ 501.584845] __kernfs_new_node+0xe7/0x580 [ 501.588987] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 501.593732] ? kasan_check_read+0x11/0x20 [ 501.597864] ? read_word_at_a_time+0x12/0x20 [ 501.602256] ? strscpy+0x170/0x510 [ 501.605789] kernfs_new_node+0x80/0xf0 [ 501.609662] __kernfs_create_file+0x4d/0x330 [ 501.614063] cgroup_addrm_files+0x437/0xaf0 [ 501.618379] ? cgroup_css.part.14+0x1f0/0x1f0 [ 501.622865] ? __getnstimeofday64+0x3a8/0x500 [ 501.627351] ? getrawmonotonic64+0x4e0/0x4e0 [ 501.631749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 501.637280] ? kernfs_active+0x128/0x1b0 [ 501.641329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 501.646863] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 501.651353] ? cgroup_file_name+0x1f0/0x1f0 [ 501.655669] css_populate_dir+0x35f/0x420 [ 501.659807] cgroup_mkdir+0x807/0x10d0 [ 501.663686] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 501.668430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 501.673951] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 501.679047] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 501.683876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 501.689399] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 501.694920] ? kernfs_get_active+0xb2/0x120 [ 501.699230] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 501.703975] kernfs_iop_mkdir+0x159/0x1e0 [ 501.708107] ? getname_flags+0xd0/0x5a0 [ 501.712070] vfs_mkdir+0x42e/0x6b0 [ 501.715597] do_mkdirat+0x266/0x2f0 [ 501.719211] ? SyS_mknod+0x40/0x40 [ 501.722738] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 501.727577] ? do_syscall_64+0xb7/0x9d0 [ 501.731542] SyS_mkdir+0x22/0x30 [ 501.734894] ? SyS_mkdirat+0x30/0x30 [ 501.738595] do_syscall_64+0x29e/0x9d0 [ 501.742468] ? vmalloc_sync_all+0x30/0x30 [ 501.746607] ? _raw_spin_unlock_irq+0x27/0x70 [ 501.751088] ? finish_task_switch+0x1ca/0x820 [ 501.755572] ? syscall_return_slowpath+0x5c0/0x5c0 [ 501.760489] ? syscall_return_slowpath+0x30f/0x5c0 [ 501.765408] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 501.770760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 501.775593] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 501.780762] RIP: 0033:0x4552d9 [ 501.783935] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 501.791631] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 501.798884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 501.806137] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 501.813387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 501.820641] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000c [ 501.828139] cgroup: cgroup_addrm_files: failed to add cgroup.threads, err=-12 2018/04/06 07:05:55 executing program 3: r0 = socket$inet(0x2, 0x200000000000001, 0x2) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000040)={'bridge0\x00', {0x2, 0x0, @rand_addr}}) 2018/04/06 07:05:55 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653005", 0x0) 2018/04/06 07:05:55 executing program 4: r0 = memfd_create(&(0x7f0000002901)='dev ', 0x0) mmap(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x4, 0x11, r0, 0x0) perf_event_open(&(0x7f0000000fc5)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xfffffffffffffc00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/04/06 07:05:55 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xff00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:55 executing program 5: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x20202, 0x0) write$tun(r0, &(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x1) r1 = fcntl$getown(r0, 0x9) fcntl$setown(r0, 0x8, r1) fallocate(r0, 0x3, 0x0, 0x81) ioctl$TUNSETVNETLE(r0, 0x400454dc, &(0x7f0000000000)) 2018/04/06 07:05:55 executing program 0 (fault-call:3 fault-nth:13): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:55 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:55 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x40000) 2018/04/06 07:05:56 executing program 4: io_setup(0x10001, &(0x7f00000003c0)=0x0) r1 = socket$inet6_icmp(0xa, 0x2, 0x3a) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$vsock_stream(0x28, 0x1, 0x0) r4 = syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0x62, 0x200100) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vga_arbiter\x00', 0x0, 0x0) pipe(&(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = syz_open_dev$dmmidi(&(0x7f0000000400)='/dev/dmmidi#\x00', 0x0, 0x400000) pipe2(&(0x7f0000000500)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) r9 = socket$inet_dccp(0x2, 0x6, 0x0) r10 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000600)='/dev/rtc\x00', 0x4000, 0x0) io_submit(r0, 0x5, &(0x7f0000000680)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0xf, 0x5, r1, &(0x7f0000000000)="40461dcd48768419b12722521ed23b227ccc0b1eb4c36d5160e4a211bd331a40fefc1fd878358fe6c11d772624db542203dfb90b002f73c3cc3b41eba9765482ab78b09221ec5050f964", 0x4a, 0x1, 0x0, 0x0, r2}, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0xe, 0x800, r3, &(0x7f0000000100)="b029861e52f1e00ca06eb54c2641e333b181b0d63552f89e43a654845052ff1b5d07b49fcae8f7a8b84d55a41782d54200e3394a5697fb768209917dbcd7e452a568e62210d778", 0x47, 0xff, 0x0, 0x1, r4}, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x1, 0x0, r5, &(0x7f0000000240)="82ae3140415e5686749d5a1ab1075004a12b34957651c29ccf6537c24fba273595b64a5bf3cfc4e7c5e101e8542ed92a4c63b0256b4bda45f3e15e7ba4c90c8ecef2a53c3e7ad3c1e372924f704ba05508034721f2c80a5f3aa87b47d6af43646cf1c38d9a0dd083392eba2c97a0ed7b18b0ae992a21dded68ad85cc5095866921f5da45921e4831cdbed9b6035e0f055799f3f8d4619a66803c6ac6e7e5eb5f6efe0e53954c52586943616bae712a4cd49407d399c4eb29484eb0c1c4580448c41b27beb48ac5", 0xc7, 0xffffffffffff7fff, 0x0, 0xfffffffffffffffe, r6}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x3, 0x6, r7, &(0x7f0000000440)="4417758e8902f0603478f979d7ef43a295fe695d3c8b3bc56c5ab5670678f2a0e7a392854d332f4aa7cb7f9778f1293991baf16fe2c4e41aa9f226efeb5aba2993bb3d0a5d5927582f2544fc3e87307a3aa9950577dc4e43833b2cd69f38e8cda023db8bf00a6d3a52e3a7535ebe6bc5516e556506b246244df8d2b3495c8da5b30e91d51192ea3461510c4b69", 0x8d, 0x97e, 0x0, 0x1, r8}, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0xd91, r9, &(0x7f0000000580)="6f5d396e0ae6afa174819ca352cd393b03754a814e8e60ca6fa3928992a7ce44a9e4c13a1ea7f1be1f8a33edd146028da4325e19ca38bebddb3c9970d1d24df6c3441b7c37f25efa77b04de2dcacc596e54caae65242", 0x56, 0x7, 0x0, 0x1, r10}]) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(r10, 0xc008551b, &(0x7f00000006c0)={0x5, 0x10, [0x4d674486, 0x81, 0x8, 0x200]}) 2018/04/06 07:05:56 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x6}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:56 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:05:56 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x4803) 2018/04/06 07:05:56 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) syz_open_dev$mice(&(0x7f0000000400)='/dev/input/mice\x00', 0x0, 0x40000) sendmsg$nl_xfrm(r0, &(0x7f0000000040)={&(0x7f00003c7ff4)={0x10}, 0xfffffc54, &(0x7f0000000000)={&(0x7f0000c07e98)=@newsa={0x154, 0x10, 0x713, 0x0, 0x0, {{@in=@rand_addr, @in6=@dev={0xfe, 0x80}}, {@in6, 0x0, 0x33}, @in=@broadcast=0xffffffff, {}, {}, {}, 0x0, 0x0, 0xa}, [@replay_esn_val={0x1c, 0x17}, @algo_auth={0x48, 0x1, {{'md5\x00'}}}]}, 0x154}, 0x1}, 0x20000800) 2018/04/06 07:05:56 executing program 4: r0 = syz_open_dev$binder(&(0x7f0000000040)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x20011, r0, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000240)='/dev/adsp#\x00', 0x9, 0x80) setsockopt$inet_MCAST_LEAVE_GROUP(r1, 0x0, 0x2d, &(0x7f0000000180)={0xfffffffffffffffc, {{0x2, 0x4e22, @broadcast=0xffffffff}}}, 0x88) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x0, 0x0) getsockopt$inet_int(r2, 0x0, 0x8, &(0x7f00000000c0), &(0x7f0000000100)=0x4) mbind(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, &(0x7f0000000000), 0x200, 0x0) 2018/04/06 07:05:56 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x80fe}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:56 executing program 5: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x200000000, @local={0xfe, 0x80, [], 0xaa}, 0xfffffffffffffffd}, 0x1c) listen(r0, 0x1008005) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e24}, 0x10) sendmmsg(r1, &(0x7f0000001580)=[{{&(0x7f0000000c00)=@ethernet={0x0, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x80, &(0x7f0000000d40), 0x0, 0x0, 0x0, 0x4}}, {{&(0x7f0000000d80)=@can={0x1d}, 0x80, &(0x7f0000001340), 0x0, &(0x7f0000001400)=ANY=[@ANYBLOB="10000000000000000d01000000800000"], 0xc}}], 0x2, 0x0) 2018/04/06 07:05:56 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653003", 0x0) 2018/04/06 07:05:56 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x216) 2018/04/06 07:05:56 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x2d, &(0x7f0000000100)="3845e7b2b772c5c8ec00efb21cb6f1c866f4c8e4d37696b06f06a2840ff4063d98d93f5ba864f559c776e4a33f23ebaa9868581b512431f7a6265fc7b77d9f7ec1f777cc626e5f19dfd0e368081382143712dae374c1c6973d18850638c0579447070772066a02f60e8c9b285edb994ea7db0c38f242fffd83d6c22ec8b89dc7375d8bdd40834ecf", 0x88) getsockopt$inet6_mreq(r0, 0x29, 0x1f, &(0x7f0000000000)={@mcast1}, &(0x7f0000000040)=0x14) 2018/04/06 07:05:56 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f00000000c0)={0x10000, 0x5, 0x4, 0x101, 0x3ff, 0x400, 0xfff, 0x7, 0x0, 0x1, 0x6}, 0xb) bind$alg(r0, &(0x7f00000001c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(des3_ede-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f000007ff6f)="9fa0291e41797c3d71854a9fe2cd858674c82988348b5ca3", 0x18) r2 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000000080)=[{0x0, 0x0, &(0x7f000001c000)=[{&(0x7f0000000000)="cec3c10f9441328ae007994ccc361d4127636f646d31dcf3aed134be56cdf8b30414bb2e50ec86ba17d4c6", 0x2b}], 0x1}], 0x1, 0x0) recvmsg(r2, &(0x7f0000214fc8)={&(0x7f0000214fec)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x14, &(0x7f0000140fd0)=[{&(0x7f0000154fd6)=""/42, 0x2a}], 0x1, &(0x7f0000214000)=""/155, 0x9b}, 0x0) 2018/04/06 07:05:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0xfffffffffffffffc) ioctl$KVM_RUN(r2, 0x4004ae8b, 0x0) ioctl$KVM_GET_FPU(r2, 0x81a0ae8c, &(0x7f0000000140)) r3 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x3, 0x80) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r3, 0xc0405519, &(0x7f0000000040)={0x0, 0x7, 0x10000, 0x0, "77b0f9fc76e7717648b73bd0c5d5e42fb1d7b5534bd1703916d4d1946e493fe4d952743a5c6427c869b8e088", 0x7fff}) sendmsg$key(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)={0x2, 0x0, 0x7, 0x7, 0x18, 0x0, 0x70bd25, 0x25dfdbfb, [@sadb_key={0xc, 0x9, 0x2b8, 0x0, "0a6b8230e86cf9978f8e3fc0ae9519235fbcc76e43d38d9a94b271374587581eb30b5ceedd058e47b68d3510bcfbeac32ac7368bde4e01012ae3b838c94baa388589d04d0c50e2ff50e86f5f3bad40504386fbaa394f33"}, @sadb_spirange={0x2, 0x10, 0x9, 0x4d5}, @sadb_lifetime={0x4, 0x4, 0x4, 0x7, 0xb2f, 0x8001}, @sadb_ident={0x2, 0xb, 0x8, 0x0, 0xf009}, @sadb_sa={0x2, 0x1, 0x4d3, 0x7ff, 0x8, 0x20, 0x2}]}, 0xc0}, 0x1}, 0x10) [ 502.586939] FAULT_INJECTION: forcing a failure. [ 502.586939] name failslab, interval 1, probability 0, space 0, times 0 [ 502.598345] CPU: 0 PID: 27917 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 502.605184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 502.614520] Call Trace: [ 502.617100] dump_stack+0x1b9/0x29f [ 502.620716] ? arch_local_irq_restore+0x52/0x52 [ 502.625373] ? radix_tree_clear_tags+0xc0/0xc0 [ 502.629944] should_fail.cold.4+0xa/0x1a [ 502.633990] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 502.639085] ? __might_sleep+0x95/0x190 [ 502.643054] ? graph_lock+0x170/0x170 [ 502.646840] ? __mutex_lock+0x7d9/0x17f0 [ 502.650883] ? kasan_kmalloc+0xc4/0xe0 [ 502.654751] ? kasan_slab_alloc+0x12/0x20 [ 502.658884] ? kmem_cache_alloc+0x12e/0x760 [ 502.663195] ? find_held_lock+0x36/0x1c0 [ 502.667242] ? __lock_is_held+0xb5/0x140 [ 502.671310] ? check_same_owner+0x320/0x320 [ 502.675657] ? rcu_note_context_switch+0x710/0x710 [ 502.680589] should_failslab+0x124/0x180 [ 502.684639] __kmalloc_track_caller+0x2c4/0x760 [ 502.689303] ? kasan_check_read+0x11/0x20 [ 502.693445] ? do_raw_spin_unlock+0x9e/0x2e0 [ 502.697840] ? kstrdup_const+0x66/0x80 [ 502.701710] kstrdup+0x39/0x70 [ 502.704888] kstrdup_const+0x66/0x80 [ 502.708585] __kernfs_new_node+0xa8/0x580 [ 502.712729] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 502.717470] ? kasan_check_read+0x11/0x20 [ 502.721606] ? read_word_at_a_time+0x12/0x20 [ 502.725999] ? strscpy+0x170/0x510 [ 502.729531] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 502.735079] kernfs_new_node+0x80/0xf0 [ 502.738962] __kernfs_create_file+0x4d/0x330 [ 502.743371] cgroup_addrm_files+0x437/0xaf0 [ 502.747684] ? cgroup_css.part.14+0x1f0/0x1f0 [ 502.752171] ? __getnstimeofday64+0x3a8/0x500 [ 502.756664] ? getrawmonotonic64+0x4e0/0x4e0 [ 502.761314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 502.766834] ? kernfs_active+0x128/0x1b0 [ 502.770877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 502.776397] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 502.780878] ? cgroup_file_name+0x1f0/0x1f0 [ 502.785184] css_populate_dir+0x35f/0x420 [ 502.789327] cgroup_mkdir+0x807/0x10d0 [ 502.793206] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 502.797944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 502.803466] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 502.808567] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 502.813391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 502.818911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 502.824433] ? kernfs_get_active+0xb2/0x120 [ 502.828737] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 502.833488] kernfs_iop_mkdir+0x159/0x1e0 [ 502.837617] ? getname_flags+0xd0/0x5a0 [ 502.841575] vfs_mkdir+0x42e/0x6b0 [ 502.845097] do_mkdirat+0x266/0x2f0 [ 502.848707] ? SyS_mknod+0x40/0x40 [ 502.852236] ? ksys_mount+0xa8/0x140 [ 502.855933] ? do_syscall_64+0xb7/0x9d0 [ 502.859901] SyS_mkdir+0x22/0x30 [ 502.863270] ? SyS_mkdirat+0x30/0x30 [ 502.866972] do_syscall_64+0x29e/0x9d0 [ 502.870838] ? vmalloc_sync_all+0x30/0x30 [ 502.874968] ? _raw_spin_unlock_irq+0x27/0x70 [ 502.879448] ? finish_task_switch+0x1ca/0x820 [ 502.883936] ? syscall_return_slowpath+0x5c0/0x5c0 [ 502.888848] ? syscall_return_slowpath+0x30f/0x5c0 [ 502.893764] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 502.899113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 502.903944] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 502.909114] RIP: 0033:0x4552d9 [ 502.912292] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 502.919996] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 502.927259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 502.934521] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 502.941772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 502.949032] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000d [ 502.956354] cgroup: cgroup_addrm_files: failed to add cgroup.controllers, err=-12 2018/04/06 07:05:56 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x3}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:56 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:56 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x31090000) 2018/04/06 07:05:56 executing program 4: recvfrom(0xffffffffffffffff, &(0x7f0000000280)=""/191, 0xbf, 0x40000040, &(0x7f0000000340)=@can={0x1d}, 0x80) r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x82) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = memfd_create(&(0x7f00000000c0)="74086e750000000000000000008c00", 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, 0xffffffffffffffff) pwritev(r1, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000200)='/dev/loop-control\x00', 0x800, 0x0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000640)={0x0, @in={{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}}, &(0x7f0000000700)=0x84) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000000100)={0x1f, 0x0, 0x2, 0x2, r3}, &(0x7f0000000140)=0x10) ioctl$DRM_IOCTL_WAIT_VBLANK(r1, 0xc018643a, &(0x7f0000000500)={0x0, 0x3ff, 0x2c}) fcntl$F_SET_RW_HINT(r2, 0x40c, &(0x7f0000000180)=0xfffffffffffffffe) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000240)='/dev/loop-control\x00', 0x100, 0x0) socket(0xa, 0x80806, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r1, 0xc00c642d, &(0x7f00000004c0)={0x0, 0x80000, r1}) ioctl(r4, 0x8005, &(0x7f0000000180)) ioctl(0xffffffffffffffff, 0x8936, &(0x7f0000000000)) ioctl$KVM_HAS_DEVICE_ATTR(r1, 0x4018aee3, &(0x7f00000003c0)={0x0, 0x2, 0x3ff, &(0x7f00000001c0)}) r5 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r5, 0x8914, &(0x7f00000000c0)={'bridge0\x00', 0x21fff}) ioctl$sock_inet_SIOCSIFFLAGS(r5, 0x8914, &(0x7f0000000140)={'bridge0\x00\x00 \x00'}) sendfile(r0, r0, &(0x7f0000000080)=0x5f, 0x102000004) ioctl$LOOP_CLR_FD(r1, 0x4c01) sync() dup2(r1, r0) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x0, &(0x7f0000000540)=0x9, 0xfffffffffffffff5) 2018/04/06 07:05:56 executing program 3: r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x8, 0x80080) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f0000000140)={0x1f, 0x10, 0x0, 0xffffffffffffff9c}) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f00000000c0)={0x0, 0x4, 0x1, r1}) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000500)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r2, 0x40a0000080044dff, &(0x7f0000000040)) 2018/04/06 07:05:56 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x2, 0x4, 0x86, 0xf}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000100)={r0, &(0x7f0000000140), &(0x7f00000000c0), 0x1}, 0x3fa) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x2, 0x1) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x404) 2018/04/06 07:05:56 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:56 executing program 0 (fault-call:3 fault-nth:14): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 503.146741] device bridge0 entered promiscuous mode 2018/04/06 07:05:56 executing program 3: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=@newlink={0x48, 0x10, 0xf15, 0x0, 0x0, {}, [@IFLA_MAP={0x28, 0xe}]}, 0x48}, 0x1}, 0x0) r0 = memfd_create(&(0x7f00000000c0)="ac27656d3063707573657463707573657400", 0x2) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000001340)={0xb, 0xd, &(0x7f00000001c0)=@framed={{0x18, 0x0, 0x0, 0x0, 0xcc60, 0x0, 0x0, 0x0, 0x65}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x8d, 0x0, 0x0, 0x0, 0x1ff}, @alu={0x7, 0xfff, 0x2, 0x5, 0x2, 0xfffffffc, 0xffffffffffffffff}, @ldst={0x0, 0x3, 0x1, 0x8, 0x357ef32cf740bd5e, 0x20, 0xfffffffffffffffc}, @initr0={0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, @jmp={0x5, 0x1, 0xd, 0x3, 0x5, 0xffffffff, 0xfffffffffffffffd}], {0x95}}, &(0x7f0000000240)='GPL\x00', 0x400, 0x1000, &(0x7f0000000340)=""/4096, 0x40f00, 0x1}, 0x48) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000280)={0x0, 0x0}, &(0x7f00000013c0)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001400)={0x0}, &(0x7f0000001440)=0xc) sendmsg$nl_generic(r0, &(0x7f0000002900)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00000028c0)={&(0x7f0000001480)={0x1404, 0x12, 0x2, 0x70bd2b, 0x25dfdbfb, {0x4}, [@generic="999b2aec93e5b1f78bdd2f814506d3f5b40414baa69f6cfb1b76ecbff4a07be511c5d96c7178feec2db64073cf349d73b71145da14ab9df1c2060dc9542a", @generic="28c7a8f0529563c9c1e9a052ebfb5557d22bff89a961cb4bcbfee26be17641a63c677d8e932c36d247abb6d19bc6934e99fc65e587648f956017c601824ceb8b6a9d1229b2b3440bf118c6e3e2ad5964f258c62ab5f45359b1", @typed={0x8, 0x67, @ipv4=@multicast2=0xe0000002}, @nested={0xf8, 0x81, [@generic="595061ca7da28df503f9e30fb4ca04a3de95e7a7b06a89bf02f4e950c23c117117473aae3e6dd1c249a2e7dbb3eccfc0a6fafcbf533f3353147bdb4c6216af7e8a26b6c8371348912f3555b10733c3eefbc10aa4b7f251b7d0ed486d1521db103de9849a4bcf93f148ce632a2c7f560738aa220c31c9c5e9471d8d0530ec55d3b5373e2b9a06d7b5cb0982ea3aacebf725bc33af31689d7aa73556b62a247f46cd34ecdfae71f8f348212eefa6965c3d3f46c4bd56b86f3579197e4c7c9f4068ea9978e588a9f556743058355a", @typed={0x8, 0x49, @fd=r1}, @generic="5b130c275f8bbb5285c71db72bbf8eb93791c6b0202fc5fc485d9577"]}, @nested={0x1258, 0x8c, [@generic="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", @generic="5ada4d144b5e4cea7936e955f75458c435a5babfba77238cc7f71f7a97a062cc0bbb9d4433079b1605f2a1d6ffa3247692ace80c194aa661b37e5ed4b689a74b090748ff2985cf0d4be6172989fe0f5267310155ad6414e749b6ca1bfa39157e942968e634eaa8f367f70ad9146d8663e8a118c0be19d852d5c5aba1f560c2430750c815e17eb8b7db8fd9109861f8d22270f23bffbbdf", @generic="a01f4b4a2e6248ab35776afdaa69621fa39eec7f017e4c8e731e1551471908d7ca32eda9d798f9af61163d800dbe0edd344734e41121e35f14bf8e56c145d75c96190fa25288582bbd38ac5fe30511b62374aad2dca371728d970ecb652a6ccaa350a9e8fdb051cc26a2ef77ae16707c38f04bd25f394f2498f7be2bbe49042ea099ec8a972909561be1912ac2f915749b15bb127b3c084543149cfeee43f3be73", @typed={0x8, 0x7, @u32=0x2}, @typed={0x8, 0x75, @uid=r2}, @generic="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", @typed={0x8, 0x89, @pid=r3}, @typed={0x8, 0x65, @ipv4=@dev={0xac, 0x14, 0x14, 0x17}}]}]}, 0x1404}, 0x1, 0x0, 0x0, 0x1}, 0x8000) ioctl$ION_IOC_HEAP_QUERY(0xffffffffffffff9c, 0xc0184908, &(0x7f0000000000)={0x4, 0x10, 0x1, 0xffffffffffffffff}) fcntl$F_SET_FILE_RW_HINT(r4, 0x40e, &(0x7f0000000040)=0x3) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000002940)=0x9, 0x4) 2018/04/06 07:05:56 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653003", 0x0) [ 503.168637] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 2018/04/06 07:05:57 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x2900000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:57 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3ca) 2018/04/06 07:05:57 executing program 5: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000080)={0x0, 0x0, 0xfffffffffffffffc}, &(0x7f0000000180)=0x18) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r1, 0xc0a85352, &(0x7f00000000c0)={{0xffffffffffffff01, 0x9}, 'port0\x00', 0x80, 0x40, 0x7, 0x920, 0x46, 0xffffffffffffffe0, 0x100000000, 0x0, 0x2, 0x10001}) 2018/04/06 07:05:57 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000b80)='/dev/loop#\x00', 0x0, 0x4006) r1 = memfd_create(&(0x7f0000000000)="74086e750000000000000000008c00", 0x0) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f0000000140)={0x1, 0x61f, 0x2f, 0x80000001, 0xff, 0xff}) pwritev(r1, &(0x7f0000f50f90)=[{&(0x7f0000000040)="aa", 0x1}], 0x1, 0x81006) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000400), &(0x7f0000000440)=0x10) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) r2 = syz_open_dev$vcsa(&(0x7f0000000200)='/dev/vcsa#\x00', 0x1, 0x400000000210000) sendfile(r0, r0, &(0x7f0000000080), 0x102000004) getsockopt$inet6_mtu(r2, 0x29, 0x17, &(0x7f00000000c0), &(0x7f0000000100)=0x4) [ 503.213096] device bridge0 left promiscuous mode 2018/04/06 07:05:57 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x100000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:57 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x0) read(r0, &(0x7f0000000140)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "706f727431000000000000000000000000000000000000000000eb000000b2a587e2000000000000020000000000000001008e15e7af00", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1, @time}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000000c0)) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r0, 0xc058534b, &(0x7f00000001c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x0, 0x0) r1 = getpgrp(0xffffffffffffffff) sched_setaffinity(r1, 0x8, &(0x7f0000000000)=0x7f) 2018/04/06 07:05:57 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x4000000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 503.327164] device bridge0 entered promiscuous mode [ 503.347279] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 503.380952] device bridge0 left promiscuous mode [ 503.433946] FAULT_INJECTION: forcing a failure. [ 503.433946] name failslab, interval 1, probability 0, space 0, times 0 [ 503.445305] CPU: 0 PID: 27972 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 503.452147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 503.461502] Call Trace: [ 503.464095] dump_stack+0x1b9/0x29f [ 503.467737] ? arch_local_irq_restore+0x52/0x52 [ 503.472408] ? radix_tree_clear_tags+0xc0/0xc0 [ 503.476982] should_fail.cold.4+0xa/0x1a [ 503.481034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 503.486123] ? __might_sleep+0x95/0x190 [ 503.490084] ? graph_lock+0x170/0x170 [ 503.493867] ? __mutex_lock+0x7d9/0x17f0 [ 503.497912] ? kasan_kmalloc+0xc4/0xe0 [ 503.501783] ? kasan_slab_alloc+0x12/0x20 [ 503.505914] ? kmem_cache_alloc+0x12e/0x760 [ 503.510223] ? find_held_lock+0x36/0x1c0 [ 503.514271] ? __lock_is_held+0xb5/0x140 [ 503.518325] ? check_same_owner+0x320/0x320 [ 503.522633] ? rcu_note_context_switch+0x710/0x710 [ 503.527579] should_failslab+0x124/0x180 [ 503.531629] __kmalloc_track_caller+0x2c4/0x760 [ 503.536281] ? kasan_check_read+0x11/0x20 [ 503.540416] ? do_raw_spin_unlock+0x9e/0x2e0 [ 503.544812] ? kstrdup_const+0x66/0x80 [ 503.548682] kstrdup+0x39/0x70 [ 503.551860] kstrdup_const+0x66/0x80 [ 503.555558] __kernfs_new_node+0xa8/0x580 [ 503.559691] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 503.564433] ? kasan_check_read+0x11/0x20 [ 503.568566] ? read_word_at_a_time+0x12/0x20 [ 503.572957] ? strscpy+0x170/0x510 [ 503.576483] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 503.582012] kernfs_new_node+0x80/0xf0 [ 503.585902] __kernfs_create_file+0x4d/0x330 [ 503.590298] cgroup_addrm_files+0x437/0xaf0 [ 503.594609] ? cgroup_css.part.14+0x1f0/0x1f0 [ 503.599091] ? __getnstimeofday64+0x3a8/0x500 [ 503.603573] ? getrawmonotonic64+0x4e0/0x4e0 [ 503.607969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 503.613489] ? kernfs_active+0x128/0x1b0 [ 503.617537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 503.623058] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 503.627537] ? cgroup_file_name+0x1f0/0x1f0 [ 503.631848] css_populate_dir+0x35f/0x420 [ 503.635983] cgroup_mkdir+0x807/0x10d0 [ 503.639858] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 503.644599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 503.650597] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 503.655687] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 503.660516] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 503.666041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 503.671565] ? kernfs_get_active+0xb2/0x120 [ 503.675869] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 503.680608] kernfs_iop_mkdir+0x159/0x1e0 [ 503.684739] ? getname_flags+0xd0/0x5a0 [ 503.688698] vfs_mkdir+0x42e/0x6b0 [ 503.692223] do_mkdirat+0x266/0x2f0 [ 503.695835] ? SyS_mknod+0x40/0x40 [ 503.699403] ? ksys_mount+0xa8/0x140 [ 503.703102] ? do_syscall_64+0xb7/0x9d0 [ 503.707061] SyS_mkdir+0x22/0x30 [ 503.710407] ? SyS_mkdirat+0x30/0x30 [ 503.714102] do_syscall_64+0x29e/0x9d0 [ 503.717973] ? vmalloc_sync_all+0x30/0x30 [ 503.722105] ? _raw_spin_unlock_irq+0x27/0x70 [ 503.726583] ? finish_task_switch+0x1ca/0x820 [ 503.731060] ? syscall_return_slowpath+0x5c0/0x5c0 [ 503.735972] ? syscall_return_slowpath+0x30f/0x5c0 [ 503.740890] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 503.746241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 503.751070] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 503.756241] RIP: 0033:0x4552d9 [ 503.759412] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 503.767103] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 503.774355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 503.781609] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 503.788860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 503.796111] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000e [ 503.804190] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/04/06 07:05:58 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ba", 0x0) 2018/04/06 07:05:58 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x924) 2018/04/06 07:05:58 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x6000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:58 executing program 0 (fault-call:3 fault-nth:15): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:58 executing program 5: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x80000000, 0x8000) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r0, 0xc02c5341, &(0x7f00000000c0)) r1 = socket$rds(0x15, 0x5, 0x0) bind$rds(r1, &(0x7f000001cff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r1, &(0x7f000000dfc8)={&(0x7f0000014000)={0x2, 0x0, @rand_addr=0x31a00dfb}, 0x10, &(0x7f0000001fc0), 0x0, &(0x7f0000000080)=[@rdma_dest={0x18, 0x114, 0x2}], 0x18}, 0x0) 2018/04/06 07:05:58 executing program 3: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff800000000001, 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, 0x0, 0x0, 0x78c7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$sndtimer(&(0x7f0000000080)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r1, 0x40045402, &(0x7f000001dffc)=0x1) read(r1, &(0x7f0000ec6000)=""/50, 0x32) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='pids.events\x00', 0x0, 0x0) ioctl$PIO_UNIMAPCLR(r2, 0x4b68, &(0x7f0000000180)={0x9, 0x8, 0x7fffffff}) ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000001000)={{0x100000001}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r1, 0x40505412, &(0x7f000001cfb0)={0x0, 0x6, 0x0, 0x0, 0xf}) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xb07c021b0ba36014, r0, 0x0) socket$unix(0x1, 0x2, 0x0) r3 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) r4 = accept$inet(r3, &(0x7f00000000c0), &(0x7f0000000140)=0x10) getsockopt$inet_IP_IPSEC_POLICY(r4, 0x0, 0x10, &(0x7f00000001c0)={{{@in6=@dev, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@remote}}, &(0x7f00000002c0)=0xe8) r6 = geteuid() setsockopt$inet_IP_IPSEC_POLICY(r4, 0x0, 0x10, &(0x7f0000000300)={{{@in6=@remote={0xfe, 0x80, [], 0xbb}, @in6=@loopback={0x0, 0x1}, 0x4e22, 0x58, 0x4e23, 0x0, 0x2, 0xa0, 0xa0, 0x7b, r5, r6}, {0x0, 0x81, 0x1, 0x0, 0xf1bb, 0x4, 0x8fca, 0x4}, {0x3a6b, 0x100, 0x8001, 0x5}, 0x4, 0x6e6bbc, 0x2, 0x0, 0x3, 0x3}, {{@in6, 0x4d6, 0x2b}, 0x2, @in6=@dev={0xfe, 0x80, [], 0x18}, 0x0, 0x0, 0x2, 0x80000000000, 0x9, 0x80, 0x6}}, 0xe8) ioctl$SNDRV_TIMER_IOCTL_START(r1, 0x54a0) 2018/04/06 07:05:58 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:58 executing program 4: add_key$user(&(0x7f0000000040)='user\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100), 0x0, 0x0) clone(0x200, &(0x7f0000251dca), &(0x7f0000744000), &(0x7f00008c8000), &(0x7f0000828ffe)) mknod(&(0x7f0000000000)='./file0\x00', 0x1000000000001040, 0x0) execve(&(0x7f000007b000)='./file0\x00', &(0x7f0000000180), &(0x7f0000000040)) r0 = gettid() futex(&(0x7f0000000ffc), 0x85, 0x0, &(0x7f0000000ff8), &(0x7f0000000ffc), 0x3ffffffe) r1 = syz_open_dev$mice(&(0x7f0000149000)='/dev/input/mice\x00', 0x0, 0x0) perf_event_open(&(0x7f0000740000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000b86fff)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) readv(r1, &(0x7f000058c000)=[{&(0x7f0000422f69)=""/151, 0x97}], 0x1) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xffffffffffffffff, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x1000000000015) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='attr/current\x00') ioctl$SNDRV_CTL_IOCTL_POWER_STATE(r2, 0x800455d1, &(0x7f0000000100)=""/38) r3 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) fsetxattr(r3, &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f0000505000)="0000000201000000000000010400000000000000", 0x14, 0x0) write$cgroup_pid(r2, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"], 0x192) 2018/04/06 07:05:58 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xffffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 504.491470] FAULT_INJECTION: forcing a failure. [ 504.491470] name failslab, interval 1, probability 0, space 0, times 0 [ 504.502841] CPU: 0 PID: 28003 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 504.509684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 504.519037] Call Trace: [ 504.521631] dump_stack+0x1b9/0x29f [ 504.525255] ? arch_local_irq_restore+0x52/0x52 [ 504.529923] should_fail.cold.4+0xa/0x1a [ 504.533973] ? kstrdup_const+0x66/0x80 [ 504.537854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 504.542947] ? kernfs_iop_mkdir+0x159/0x1e0 [ 504.547256] ? do_mkdirat+0x266/0x2f0 [ 504.551044] ? SyS_mkdir+0x22/0x30 [ 504.554573] ? do_syscall_64+0x29e/0x9d0 [ 504.558622] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 504.563977] ? graph_lock+0x170/0x170 [ 504.567767] ? find_held_lock+0x36/0x1c0 [ 504.571822] ? find_held_lock+0x36/0x1c0 [ 504.575879] ? __lock_is_held+0xb5/0x140 [ 504.579942] ? check_same_owner+0x320/0x320 [ 504.584254] ? rcu_note_context_switch+0x710/0x710 [ 504.589173] ? rcu_read_lock_sched_held+0x108/0x120 [ 504.594185] should_failslab+0x124/0x180 [ 504.598240] kmem_cache_alloc+0x2af/0x760 [ 504.602378] ? memcpy+0x45/0x50 [ 504.605646] ? kstrdup+0x59/0x70 [ 504.609010] __kernfs_new_node+0xe7/0x580 [ 504.613155] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 504.617904] ? kasan_check_read+0x11/0x20 [ 504.622046] ? read_word_at_a_time+0x12/0x20 [ 504.626446] ? strscpy+0x170/0x510 [ 504.629975] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 504.635511] kernfs_new_node+0x80/0xf0 [ 504.639394] __kernfs_create_file+0x4d/0x330 [ 504.643797] cgroup_addrm_files+0x437/0xaf0 [ 504.648117] ? cgroup_css.part.14+0x1f0/0x1f0 [ 504.652604] ? __getnstimeofday64+0x3a8/0x500 [ 504.657092] ? getrawmonotonic64+0x4e0/0x4e0 [ 504.661493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 504.667023] ? kernfs_active+0x128/0x1b0 [ 504.671079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 504.676656] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 504.681138] ? cgroup_file_name+0x1f0/0x1f0 [ 504.685458] css_populate_dir+0x35f/0x420 [ 504.689602] cgroup_mkdir+0x807/0x10d0 [ 504.693503] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 504.698251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 504.703773] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 504.708864] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 504.713697] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 504.719223] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 504.724748] ? kernfs_get_active+0xb2/0x120 [ 504.729060] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 504.733807] kernfs_iop_mkdir+0x159/0x1e0 [ 504.737939] ? getname_flags+0xd0/0x5a0 [ 504.741907] vfs_mkdir+0x42e/0x6b0 [ 504.745437] do_mkdirat+0x266/0x2f0 [ 504.749056] ? SyS_mknod+0x40/0x40 [ 504.752589] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 504.757425] ? do_syscall_64+0xb7/0x9d0 [ 504.761387] SyS_mkdir+0x22/0x30 [ 504.764742] ? SyS_mkdirat+0x30/0x30 [ 504.768442] do_syscall_64+0x29e/0x9d0 [ 504.772316] ? vmalloc_sync_all+0x30/0x30 [ 504.776456] ? _raw_spin_unlock_irq+0x27/0x70 [ 504.780941] ? finish_task_switch+0x1ca/0x820 [ 504.785430] ? syscall_return_slowpath+0x5c0/0x5c0 [ 504.790353] ? syscall_return_slowpath+0x30f/0x5c0 [ 504.795278] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 504.800649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 504.805508] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 504.810687] RIP: 0033:0x4552d9 [ 504.813863] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 504.821560] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 504.828816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 2018/04/06 07:05:58 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x48030000) 2018/04/06 07:05:58 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'cbcmac(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$can_raw(r1, &(0x7f0000477000)={&(0x7f0000000080)={0x1d}, 0x10, &(0x7f0000000240)={&(0x7f00000001c0)=@canfd={{}, 0x0, 0x0, 0x0, 0x0, "b5a419fb5df128c83ad9430362a22a5abf1e4123efccc641602c2da3630b58d04766c58b254ff2a965ccb226c8c7355c33306c99adaa0aa59006f8dc9b01b737"}, 0x48}, 0x1}, 0x0) socket(0x5, 0x802, 0x8) [ 504.836072] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 504.843329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 504.850589] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000000f [ 504.859871] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/04/06 07:05:58 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:59 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xff000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:59 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:59 executing program 5: shmget(0x1, 0x2000, 0x54000101, &(0x7f0000ffc000/0x2000)=nil) shmget(0x3, 0x2000, 0x300, &(0x7f0000ffe000/0x2000)=nil) r0 = shmget(0x3, 0x2000, 0x54000000, &(0x7f0000ffe000/0x2000)=nil) shmctl$SHM_INFO(r0, 0xe, &(0x7f0000004180)=""/4096) 2018/04/06 07:05:59 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2709000000000000) 2018/04/06 07:05:59 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:05:59 executing program 0 (fault-call:3 fault-nth:16): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:05:59 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000ddfffc)=0x1, 0x374) setsockopt$inet_tcp_int(r0, 0x6, 0x1e, &(0x7f00000dd000)=0x1, 0x4) connect$inet(r0, &(0x7f0000d9dff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f00000001c0), 0x0, 0x8044, 0x0, 0x0) 2018/04/06 07:05:59 executing program 3: r0 = epoll_create(0x5b) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_proto_private(r1, 0x89e5, &(0x7f0000000000)="dc89223e55912171678e") poll(&(0x7f0000000040), 0x0, 0xffffffffffffffff) epoll_pwait(r0, &(0x7f0000c58000)=[{}], 0x1, 0x8000000000000075, &(0x7f0000654ff8), 0x8) r2 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r2, 0x15) 2018/04/06 07:05:59 executing program 5: r0 = memfd_create(&(0x7f0000000540)='\x00', 0x1) r1 = perf_event_open(&(0x7f00000005c0)={0x7, 0x70, 0x8, 0x9, 0x81f6, 0x8, 0x0, 0xfffffffffffffe01, 0x0, 0x1, 0x0, 0x3, 0x6, 0x9, 0x4, 0x5, 0x100000000, 0x8, 0x6, 0x9, 0x1, 0x8, 0x3, 0x800, 0x74, 0xfff, 0x9, 0xf4ca, 0x7, 0x4, 0x1, 0x800, 0x3ff, 0x0, 0x0, 0x1ff, 0x80000000, 0xffffffff00000001, 0x0, 0x3, 0x2, @perf_bp={&(0x7f0000000580), 0x1}, 0x10000, 0xfd, 0xb6, 0x7, 0x6, 0xf21, 0x976}, 0x0, 0x5, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r2 = epoll_create1(0x80000) mkdir(&(0x7f0000000200)='./control/file0\x00', 0x4000000) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x10, 0xffffffffffffffff, 0x0) fcntl$getflags(r2, 0x401) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000100)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = creat(&(0x7f0000000140)='./control/file0\x00', 0x0) write$sndseq(r4, &(0x7f0000011fd2)=[{0x0, 0x13, 0x2000000000000, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) unlink(&(0x7f00000000c0)='./control\x00') mount(&(0x7f00000003c0)='./control\x00', &(0x7f0000000400)='./control\x00', &(0x7f0000000440)='tmpfs\x00', 0x0, 0x0) creat(&(0x7f0000000180)='./control/file0\x00', 0x0) close(0xffffffffffffffff) r5 = fcntl$dupfd(r2, 0x0, r2) r6 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r5, &(0x7f000086fff4)) r7 = getpgrp(0xffffffffffffffff) r8 = getpid() epoll_ctl$EPOLL_CTL_ADD(r6, 0x1, r2, &(0x7f0000000040)) kcmp$KCMP_EPOLL_TFD(r7, r8, 0x7, r6, &(0x7f0000000000)={r6, r5}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x2) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f00000001c0)={0xfffffffffffffe00, 0x4, 0x80, 0x5}, 0x8) r9 = perf_event_open(&(0x7f000000a000)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x8000, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a7dfff)}, 0xa00000400, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r10 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x4, 0x84000) ioctl$LOOP_CHANGE_FD(r10, 0x4c06, r9) close(0xffffffffffffffff) mount(&(0x7f00008deff8)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f000015bffc)='nfs\x00', 0x0, &(0x7f000000a000)) 2018/04/06 07:05:59 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x3f000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:05:59 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000000)={'HL\x00'}, &(0x7f0000000040)=0x1e) bind$inet6(r0, &(0x7f0000807fe4)={0xa}, 0x1c) socket(0xa, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000680)=ANY=[@ANYRES32=0x0, @ANYBLOB="79000000aaa65294e2632db610427578032655da62b2fc7b8d97bc2af9db1e38be3b3bf732b793970d7f93dd48bc5d49533f422268cf3a9c552d46065cc8b11ba0c204000000a8422aecd44df8ea3adf5dcb42a636f1fff73e0221c35f61974b4804e42864362cd67e987ac32848ba5561b6185829a40170c633274ba57121ab968e5ecdae71d8a6ed98814cf3ada52d8e7b699b643a2d3f5c201890ae695f0a4e4dd91a5dd741968375a7c2c352e1a13a87259daf969cc8370d9b364e036176e2a2df3b040e4df136ba06b49f9b680ec13f85a7de7ac189c570664139614c54a85066d348b511b8079d000275d24b7d558d48b35c082283db953feffd62ba6885fe92fdfacbef2739e9d4e7e7ae8c337261dfee886106a23a9166b26d11c127d613050da0cd9df252eb56c76b0cbd2b9d82ff33e795a985ff2c1a5fbbc15087f07a45e3c255"], &(0x7f0000000480)=0x2) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f00000005c0)={r1, @in6={{0xa, 0x4e23, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x1}}, 0x1, 0x8, 0x0, 0x0, 0x8}, 0x98) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f0000000080)={0x0, 0x8}, &(0x7f0000000100)=0x8) socket(0x40000000000005, 0x7fffe, 0x0) r2 = socket(0x11, 0x3, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f00000004c0)={'bond0\x00', 0x17fd}) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000840)={{{@in6=@dev, @in6=@dev}}, {{@in=@local}, 0x0, @in=@broadcast}}, &(0x7f0000000380)=0xe8) r3 = userfaultfd(0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='task\x00') getsockname$ax25(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) flock(0xffffffffffffffff, 0xc) r4 = dup(r3) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f00000001c0), 0x4) ioctl$EVIOCGKEYCODE(r4, 0x80084504, &(0x7f0000000940)=""/213) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000f6bfe8)={0xaa}) mremap(&(0x7f0000d7e000/0x1000)=nil, 0x1000, 0x3000, 0x3, &(0x7f00001cd000/0x3000)=nil) poll(&(0x7f0000000140)=[{r3}], 0x1, 0x14a) setsockopt$netlink_NETLINK_TX_RING(r4, 0x10e, 0x7, &(0x7f0000000100)={0x200, 0x5, 0x3, 0x1}, 0x10) ioctl(r0, 0x1, &(0x7f0000000a40)="e8e54337fec3e4842d8d050ae7f90da4a6be4c7a49895cff81b69e623f675a6e5f4a5a412f39372318453ab700e948efca75777a7dde4887b0ffa489f7b50044abab4c8c97afebe2abd8e49fe642ed05be2997f2d3d6d62a930791151dae702ae7ba75e36d5b855f791ce95290e80ddb24851f38d14221d8322082aabbb686fd0cba1f12b36e6504ee55248d0fb8447c824ba3dbaa331fa19e13abefc5ed03160214b05058aff843ec72945d435b6466bdf3c621b99f7042157ae117eaf2cb078dea2d9bf6f3e31d8aee2b47a6bb8daceefc64e2c0e98f2dc29004ddcf") perf_event_open$cgroup(&(0x7f00000002c0)={0x4, 0x70, 0x3, 0xb25, 0x5, 0x2, 0x0, 0x0, 0x2, 0x2, 0x4, 0x4, 0x1000, 0x1, 0x101, 0x8001, 0x7, 0xfff, 0xfff, 0x100000001, 0x348fce9a, 0x2, 0x3f, 0x3ff, 0x4, 0x5, 0xb13e, 0x7, 0x5, 0x3, 0x2, 0x1f0, 0x9650, 0x0, 0x8, 0x3, 0xfffffffffffffffa, 0x40, 0x0, 0x5, 0x3, @perf_config_ext={0x9, 0x1}, 0x20301, 0xa9f4e86, 0x9, 0x4, 0x6bae55d7, 0x5, 0x8}, r4, 0x5, r4, 0x2) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000280)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) fcntl$F_SET_RW_HINT(r4, 0x40c, &(0x7f0000000200)=0x4) ioctl$UFFDIO_REGISTER(r3, 0xc028aa03, &(0x7f0000000240)={{&(0x7f00005e3000/0x800000)=nil, 0x800000}, 0x200000}) userfaultfd(0x80000) 2018/04/06 07:05:59 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x27090000) 2018/04/06 07:05:59 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xf5ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 505.550189] rpcbind: RPC call returned error 22 2018/04/06 07:05:59 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile06', 0x0) 2018/04/06 07:05:59 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3309000000000000) [ 505.582730] device bond0 entered promiscuous mode 2018/04/06 07:05:59 executing program 5: r0 = socket$inet(0x10, 0x0, 0x0) sendmsg(r0, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000003000)=[{&(0x7f000000efdc)="240000002a00030f07fffd946fa283b70a00003801000000031e3f000000000000000000", 0x24}], 0x1}, 0x0) 2018/04/06 07:05:59 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 505.747726] FAULT_INJECTION: forcing a failure. [ 505.747726] name failslab, interval 1, probability 0, space 0, times 0 [ 505.759161] CPU: 1 PID: 28080 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 505.766006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 505.775355] Call Trace: [ 505.777935] dump_stack+0x1b9/0x29f [ 505.781545] ? arch_local_irq_restore+0x52/0x52 [ 505.786206] should_fail.cold.4+0xa/0x1a [ 505.790255] ? kstrdup_const+0x66/0x80 [ 505.794129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 505.799217] ? kernfs_iop_mkdir+0x159/0x1e0 [ 505.803541] ? do_mkdirat+0x266/0x2f0 [ 505.807321] ? SyS_mkdir+0x22/0x30 [ 505.810843] ? do_syscall_64+0x29e/0x9d0 [ 505.814902] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 505.820260] ? graph_lock+0x170/0x170 [ 505.824054] ? find_held_lock+0x36/0x1c0 [ 505.828119] ? print_usage_bug+0xc0/0xc0 [ 505.832174] ? find_held_lock+0x36/0x1c0 [ 505.836221] ? __lock_is_held+0xb5/0x140 [ 505.840275] ? check_same_owner+0x320/0x320 [ 505.844594] ? rcu_note_context_switch+0x710/0x710 [ 505.849510] ? rcu_read_lock_sched_held+0x108/0x120 [ 505.854516] should_failslab+0x124/0x180 [ 505.858564] kmem_cache_alloc+0x2af/0x760 [ 505.862693] ? memcpy+0x45/0x50 [ 505.865956] ? kstrdup+0x59/0x70 [ 505.869572] __kernfs_new_node+0xe7/0x580 [ 505.873714] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 505.878466] ? kasan_check_read+0x11/0x20 [ 505.882597] ? read_word_at_a_time+0x12/0x20 [ 505.886990] ? strscpy+0x170/0x510 [ 505.890518] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 505.896053] kernfs_new_node+0x80/0xf0 [ 505.899926] __kernfs_create_file+0x4d/0x330 [ 505.904317] cgroup_addrm_files+0x437/0xaf0 [ 505.908624] ? cgroup_css.part.14+0x1f0/0x1f0 [ 505.913104] ? __getnstimeofday64+0x3a8/0x500 [ 505.917583] ? getrawmonotonic64+0x4e0/0x4e0 [ 505.921974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.927495] ? kernfs_active+0x128/0x1b0 [ 505.931548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.937079] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 505.941559] ? cgroup_file_name+0x1f0/0x1f0 [ 505.945867] css_populate_dir+0x35f/0x420 [ 505.950008] cgroup_mkdir+0x807/0x10d0 [ 505.953892] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 505.958630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.964158] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 505.969251] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 505.974083] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 505.979607] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 505.985136] ? kernfs_get_active+0xb2/0x120 [ 505.989450] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 505.994193] kernfs_iop_mkdir+0x159/0x1e0 [ 505.998328] ? getname_flags+0xd0/0x5a0 [ 506.002292] vfs_mkdir+0x42e/0x6b0 [ 506.005825] do_mkdirat+0x266/0x2f0 [ 506.009447] ? SyS_mknod+0x40/0x40 [ 506.012974] ? ksys_mount+0xa8/0x140 [ 506.016693] ? do_syscall_64+0xb7/0x9d0 [ 506.020664] SyS_mkdir+0x22/0x30 [ 506.024018] ? SyS_mkdirat+0x30/0x30 [ 506.027724] do_syscall_64+0x29e/0x9d0 [ 506.031597] ? vmalloc_sync_all+0x30/0x30 [ 506.035728] ? _raw_spin_unlock_irq+0x27/0x70 [ 506.040207] ? finish_task_switch+0x1ca/0x820 [ 506.044689] ? syscall_return_slowpath+0x5c0/0x5c0 [ 506.049615] ? syscall_return_slowpath+0x30f/0x5c0 [ 506.054538] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 506.059888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 506.064719] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 506.069888] RIP: 0033:0x4552d9 [ 506.073056] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 506.080744] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 506.087995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 506.095251] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 506.102501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 506.109763] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000010 [ 506.117112] cgroup: cgroup_addrm_files: failed to add cgroup.subtree_control, err=-12 2018/04/06 07:06:00 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x4}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:00 executing program 5: r0 = socket$inet(0x2, 0x1, 0x6) setsockopt$inet_int(r0, 0x0, 0x10000000000d0, &(0x7f00000000c0), 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x9, 0x129080) ioctl$KDSETMODE(r1, 0x4b3a, 0x7) socketpair(0xa, 0x4, 0x40, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000000100)=""/216, &(0x7f0000000040)=0xd8) 2018/04/06 07:06:00 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2309000000000000) 2018/04/06 07:06:00 executing program 4: unshare(0x400) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fstat(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fstat(0xffffffffffffff9c, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getgid() getgroups(0x6, &(0x7f0000000340)=[r0, r1, r2, r3, r4, r5]) r6 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r6, 0x0, 0x0, 0x9) 2018/04/06 07:06:00 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:00 executing program 0 (fault-call:3 fault-nth:17): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:00 executing program 3: r0 = socket$inet(0x2, 0x6, 0x9) ioctl$sock_inet_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000080)) setsockopt$inet_int(r0, 0x0, 0xca, &(0x7f0000000000)=0xfffffffffffffffe, 0x10) setsockopt$sock_timeval(r0, 0x1, 0x0, &(0x7f0000000040), 0x10) 2018/04/06 07:06:00 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:00 executing program 4: msgrcv(0x0, &(0x7f0000e88000)={0x0, ""/170}, 0xb2, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12}, &(0x7f0000fd7000)) timer_settime(0x0, 0x0, &(0x7f0000d07000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r0, 0x1000000000016) msgsnd(0x0, &(0x7f0000000080)={0x4}, 0x8, 0x0) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x7, 0x0) ioctl$sock_ipx_SIOCIPXNCPCONN(r1, 0x89e3, &(0x7f0000000040)=0x8) 2018/04/06 07:06:00 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xb0030000) 2018/04/06 07:06:00 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x600000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:00 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:00 executing program 5: r0 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x40400) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000500)) ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f0000000280)) r1 = request_key(&(0x7f0000000080)='asymmetric\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000240)='/dev/input/mice\x00', 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f00000001c0)='/dev/snd/pcmC#D#p\x00', 0x8, 0x301480) keyctl$get_keyring_id(0x0, r1, 0x2dacdac2) r3 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) r4 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 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={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000200)=0x0) ioprio_set$pid(0x1, r5, 0x6) lseek(r3, 0x5, 0x1) write$evdev(r0, &(0x7f0000000100)=[{{}, 0x7, 0x4, 0x1}, {{0x77359400}, 0x7f3, 0x3, 0x7fffffff}, {{}, 0x2, 0x0, 0x2}, {{0x0, 0x7530}, 0x3, 0x3, 0x7}], 0x60) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000016c0)={{{@in6=@ipv4={[], [], @multicast1}, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@local}}, &(0x7f00000017c0)=0xe8) getpeername$packet(r2, &(0x7f0000001800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000001840)=0x14) ioctl$void(r3, 0xc0045c78) sendmsg$nl_route(r2, &(0x7f0000000540)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x1004000}, 0xc, &(0x7f0000001980)={&(0x7f0000001880)=ANY=[@ANYBLOB="00000000100000092bbd7000fddbdf2500000000", @ANYRES32=r6, @ANYBLOB='\x00@\x00K\x00\x00\x00\x00'], 0xffffffffffffff48}, 0x1, 0x0, 0x0, 0x4000}, 0x8000) write$eventfd(r0, &(0x7f0000000000)=0x800, 0x8) ioctl$TIOCGWINSZ(r2, 0x5413, &(0x7f0000000300)) signalfd(r4, &(0x7f00000000c0)={0x1}, 0x8) mq_getsetattr(r2, &(0x7f0000000340)={0xc638, 0x6, 0x7fff, 0x5, 0xffffffffffffffff, 0xfc, 0x3ff, 0x9}, &(0x7f0000000380)) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f00000003c0)={0x0, @in6={{0xa, 0x4e22, 0x1, @remote={0xfe, 0x80, [], 0xbb}, 0x1c8}}}, &(0x7f0000000480)=0x84) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f00000004c0)={r7, 0x1}, 0x8) 2018/04/06 07:06:00 executing program 3: bind$alg(0xffffffffffffffff, &(0x7f0000c54fa8)={0x26, 'hash\x00', 0x0, 0x0, 'md5-generic\x00'}, 0x58) r0 = accept$alg(0xffffffffffffffff, 0x0, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x80000, 0x0) ioctl$PIO_CMAP(r1, 0x4b71, &(0x7f0000000040)={0x7, 0xfffffffffffff077, 0x40, 0x8, 0x80, 0x78dd}) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r0, r2, &(0x7f0000145000), 0x7dd) 2018/04/06 07:06:00 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xf5ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:00 executing program 4: r0 = syz_open_dev$dspn(&(0x7f0000af6ff6)='/dev/dsp#\x00', 0x1, 0x0) readv(r0, &(0x7f0000000000)=[{&(0x7f0000001900)=""/4096, 0x1000}, {&(0x7f00000013c0)=""/13, 0x310}], 0x2) open(&(0x7f0000000040)='./file0\x00', 0x0, 0x2) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000080)={0x101, 0x7f, 0x3, 0x1}, 0x0) ioctl$int_in(r0, 0x80000000005001, &(0x7f0000003ff8)) 2018/04/06 07:06:00 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x1602) [ 506.811611] FAULT_INJECTION: forcing a failure. [ 506.811611] name failslab, interval 1, probability 0, space 0, times 0 [ 506.822939] CPU: 1 PID: 28147 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 506.829779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 506.839119] Call Trace: [ 506.841710] dump_stack+0x1b9/0x29f [ 506.845331] ? arch_local_irq_restore+0x52/0x52 [ 506.849985] should_fail.cold.4+0xa/0x1a [ 506.854038] ? kstrdup_const+0x66/0x80 [ 506.857909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 506.862994] ? kernfs_iop_mkdir+0x159/0x1e0 [ 506.867300] ? do_mkdirat+0x266/0x2f0 [ 506.871079] ? SyS_mkdir+0x22/0x30 [ 506.874601] ? do_syscall_64+0x29e/0x9d0 [ 506.878644] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 506.883991] ? graph_lock+0x170/0x170 [ 506.887785] ? find_held_lock+0x36/0x1c0 [ 506.891832] ? find_held_lock+0x36/0x1c0 [ 506.895881] ? __lock_is_held+0xb5/0x140 [ 506.899930] ? check_same_owner+0x320/0x320 [ 506.904237] ? rcu_note_context_switch+0x710/0x710 [ 506.909146] ? rcu_read_lock_sched_held+0x108/0x120 [ 506.914147] should_failslab+0x124/0x180 [ 506.918192] kmem_cache_alloc+0x2af/0x760 [ 506.922319] ? memcpy+0x45/0x50 [ 506.925582] ? kstrdup+0x59/0x70 [ 506.928934] __kernfs_new_node+0xe7/0x580 [ 506.933082] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 506.937845] ? kasan_check_read+0x11/0x20 [ 506.941977] ? read_word_at_a_time+0x12/0x20 [ 506.946377] ? strscpy+0x170/0x510 [ 506.949905] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 506.955429] kernfs_new_node+0x80/0xf0 [ 506.959312] __kernfs_create_file+0x4d/0x330 [ 506.963711] cgroup_addrm_files+0x437/0xaf0 [ 506.968031] ? cgroup_css.part.14+0x1f0/0x1f0 [ 506.972519] ? __getnstimeofday64+0x3a8/0x500 [ 506.976996] ? getrawmonotonic64+0x4e0/0x4e0 [ 506.981392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.986909] ? kernfs_active+0x128/0x1b0 [ 506.990953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.996468] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 507.000944] ? cgroup_file_name+0x1f0/0x1f0 [ 507.005247] css_populate_dir+0x35f/0x420 [ 507.009389] cgroup_mkdir+0x807/0x10d0 [ 507.013278] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 507.018026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.023560] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 507.028652] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 507.033476] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 507.038993] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 507.044515] ? kernfs_get_active+0xb2/0x120 [ 507.048816] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 507.053552] kernfs_iop_mkdir+0x159/0x1e0 [ 507.057680] ? getname_flags+0xd0/0x5a0 [ 507.061637] vfs_mkdir+0x42e/0x6b0 [ 507.065173] do_mkdirat+0x266/0x2f0 [ 507.068791] ? SyS_mknod+0x40/0x40 [ 507.072312] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 507.077145] ? do_syscall_64+0xb7/0x9d0 [ 507.081109] SyS_mkdir+0x22/0x30 [ 507.084456] ? SyS_mkdirat+0x30/0x30 [ 507.088153] do_syscall_64+0x29e/0x9d0 [ 507.092028] ? vmalloc_sync_all+0x30/0x30 [ 507.096160] ? _raw_spin_unlock_irq+0x27/0x70 [ 507.100634] ? finish_task_switch+0x1ca/0x820 [ 507.105108] ? syscall_return_slowpath+0x5c0/0x5c0 [ 507.110029] ? syscall_return_slowpath+0x30f/0x5c0 [ 507.114953] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 507.120299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 507.125124] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 507.130289] RIP: 0033:0x4552d9 [ 507.133456] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 507.141156] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 507.148403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 507.155650] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 507.162906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 507.170164] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000011 [ 507.178297] cgroup: cgroup_addrm_files: failed to add cgroup.events, err=-12 2018/04/06 07:06:01 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:01 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0xffffffffffffff80, 0x4602) connect$ipx(r1, &(0x7f0000000080)={0x4, 0x100, 0x115, "0909b2dd84c6", 0x7f}, 0x10) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r3, 0x4008ae8a, &(0x7f0000000140)={0x1, 0x0, [{0x80000001, 0x0, 0x0, 0xebc}]}) uname(&(0x7f0000000240)=""/140) ioctl$KVM_SET_MSRS(r3, 0x4008ae89, &(0x7f0000000100)=ANY=[@ANYBLOB="01000000f9f7ffff400101c0"]) 2018/04/06 07:06:01 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfc000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:01 executing program 5: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140)='/dev/hwrng\x00', 0x2, 0x0) ioctl$TCSBRK(r0, 0x5409, 0x5) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cuse\x00', 0x604802, 0x0) ioctl$TUNSETLINK(r1, 0x400454cd, 0x302) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$TIOCSPGRP(r2, 0x5410, &(0x7f00000000c0)) ioctl$TUNSETQUEUE(r2, 0x400454d9, &(0x7f0000000080)={'dummy0\x00', 0xcfbb7a479feb3f9a}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000000000)={{0x2, 0x4e23, @multicast1=0xe0000001}, {0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x40, {0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}, 'syz_tun\x00'}) 2018/04/06 07:06:01 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x6) 2018/04/06 07:06:01 executing program 4: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000000)=0x0) r1 = getpgid(0xffffffffffffffff) r2 = geteuid() stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0}, &(0x7f0000000140)=0xc) r5 = getgid() shmctl$IPC_SET(0x0, 0x1, &(0x7f0000000180)={{0x1b, r2, r3, r4, r5, 0x100, 0x1f}, 0x4, 0x80, 0x4ea, 0x20, r0, r0, 0x9}) r6 = syz_open_procfs(r1, &(0x7f0000004ffb)='task\x00') getdents64(r6, &(0x7f0000002000)=""/72, 0x48) getdents64(r6, &(0x7f0000000040), 0xfff1) 2018/04/06 07:06:01 executing program 0 (fault-call:3 fault-nth:18): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:01 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:01 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) ioctl$TUNSETPERSIST(r0, 0x400454cb, 0x1) ioctl$TUNSETPERSIST(r0, 0x400454cb, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000040)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000100)={0x0, 0x98, "767ac9302fd6b70a3e417cb1ef7a5c203f4a61c7fd047caa1e63b81518bf33b752bd274e662f0ade375c0f82487a30b7a0fc2da27dd27a063d34c18439bf4e034e28d4b9deb73330d16b12c839da596f7c1e61c5b2daabf4237b5fc34658b4f0e1ea93158e10e2449b977e3a2ccb662fd93f66f21d7a0568951bdc71da69b006b01ffd831cc9b74d832bacf0252b885763030a98b0a8ccec"}, &(0x7f0000000080)=0xa0) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f00000001c0)=@assoc_value={r2, 0x8}, 0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000200)='gid_map\x00') ioctl$SNDRV_CTL_IOCTL_PVERSION(r3, 0x80045500, &(0x7f0000000240)=""/4096) 2018/04/06 07:06:01 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x40000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x200000, 0x0) ioctl$DRM_IOCTL_SET_MASTER(r1, 0x641e) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'tunl0\x00'}) ioctl$sock_SIOCBRDELBR(r0, 0x89a1, &(0x7f0000000140)='ip6_vti0\x00') sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="280000001c00070f000000000000000007000000", @ANYBLOB="9eff02000a00020089edaaaaaaaaaaaa"], 0x2}, 0x1}, 0x0) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f0000000080)={0x8001, {0x2, 0x4e24, @broadcast=0xffffffff}, {0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2, 0x6, 0x6, 0xffffffffffffffff, 0x3ff, 0x0, 0x3, 0x200, 0x100000000}) socket$netlink(0x10, 0x3, 0x6) getpeername$ipx(r1, &(0x7f00000001c0), &(0x7f0000000280)=0x10) 2018/04/06 07:06:01 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653003", 0x0) 2018/04/06 07:06:01 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x6403000000000000) 2018/04/06 07:06:01 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x8}, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/enforce\x00', 0x400000020202, 0x0) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000440)=0x0) ioctl$sock_FIOSETOWN(r1, 0x8901, &(0x7f0000000480)=r2) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000200)={0x0}, &(0x7f0000000240)=0xc) ioctl$DRM_IOCTL_RES_CTX(r1, 0xc0106426, &(0x7f0000000300)={0x5, &(0x7f00000002c0)=[{}, {}, {}, {}, {}]}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc010641d, &(0x7f0000000400)={0x0, &(0x7f0000000340)=""/161}) fremovexattr(r0, &(0x7f0000000580)=@random={'trusted.', '/selinux/enforce\x00'}) getsockopt$bt_BT_FLUSHABLE(r1, 0x112, 0x8, &(0x7f0000000080)=0x80000000, &(0x7f0000000500)=0x4) ioctl$sock_SIOCSPGRP(r1, 0x8902, &(0x7f0000000280)=r3) ioctl$VT_WAITACTIVE(r1, 0x5607) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000000040)={0xffffffffffffff74, 0x3, 0x7}) ioctl$KVM_CREATE_DEVICE(r1, 0xc00caee0, &(0x7f0000000540)={0x1, r0}) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f00000004c0)={0x0, 0x8c885f8701e97840, 0x7, 0x3}) write$tun(r1, &(0x7f0000000140)=ANY=[@ANYBLOB="32022ef662781c7b51561111cd0c1b7bcdaa9d37b9515ee34146fbd3038db0b9d1ef3705d331427b78f759361673e94de39cb4c19026cec2a3303c81cd8b22254f62c5cce2e8"], 0x1) ioctl$KVM_GET_ONE_REG(r1, 0x4010aeab, &(0x7f00000000c0)={0x0, 0x7f}) setsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000100)=0x6ff5, 0x4) dup2(r0, r1) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f00000005c0)) 2018/04/06 07:06:01 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x3f00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 507.863867] FAULT_INJECTION: forcing a failure. [ 507.863867] name failslab, interval 1, probability 0, space 0, times 0 [ 507.876389] CPU: 1 PID: 28182 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 507.883224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 507.892558] Call Trace: [ 507.895132] dump_stack+0x1b9/0x29f [ 507.898747] ? arch_local_irq_restore+0x52/0x52 [ 507.903401] ? radix_tree_clear_tags+0xc0/0xc0 [ 507.907968] should_fail.cold.4+0xa/0x1a [ 507.912024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 507.917121] ? __lock_acquire+0x7f5/0x5130 [ 507.921335] ? graph_lock+0x170/0x170 [ 507.925114] ? __mutex_lock+0x7d9/0x17f0 [ 507.929161] ? kasan_kmalloc+0xc4/0xe0 [ 507.933039] ? kasan_slab_alloc+0x12/0x20 [ 507.937186] ? kmem_cache_alloc+0x12e/0x760 [ 507.941520] ? find_held_lock+0x36/0x1c0 [ 507.945576] ? __lock_is_held+0xb5/0x140 [ 507.949626] ? check_same_owner+0x320/0x320 [ 507.953933] ? rcu_note_context_switch+0x710/0x710 [ 507.958845] should_failslab+0x124/0x180 [ 507.962895] __kmalloc_track_caller+0x2c4/0x760 [ 507.967549] ? kasan_check_read+0x11/0x20 [ 507.971679] ? graph_lock+0x170/0x170 [ 507.975460] ? kstrdup_const+0x66/0x80 [ 507.979325] kstrdup+0x39/0x70 [ 507.982510] kstrdup_const+0x66/0x80 [ 507.986207] __kernfs_new_node+0xa8/0x580 [ 507.990344] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 507.995083] ? kasan_check_read+0x11/0x20 [ 507.999215] ? read_word_at_a_time+0x12/0x20 [ 508.003605] ? strscpy+0x170/0x510 [ 508.007138] kernfs_new_node+0x80/0xf0 [ 508.011015] __kernfs_create_file+0x4d/0x330 [ 508.015439] cgroup_addrm_files+0x437/0xaf0 [ 508.019752] ? cgroup_css.part.14+0x1f0/0x1f0 [ 508.024233] ? __getnstimeofday64+0x3a8/0x500 [ 508.028714] ? getrawmonotonic64+0x4e0/0x4e0 [ 508.033111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.038639] ? kernfs_active+0x128/0x1b0 [ 508.042868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.048386] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 508.052869] ? cgroup_file_name+0x1f0/0x1f0 [ 508.057187] css_populate_dir+0x35f/0x420 [ 508.061322] cgroup_mkdir+0x807/0x10d0 [ 508.065194] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 508.069931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.075448] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 508.080533] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 508.085358] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 508.090878] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 508.096398] ? kernfs_get_active+0xb2/0x120 [ 508.100712] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 508.105460] kernfs_iop_mkdir+0x159/0x1e0 [ 508.109586] ? getname_flags+0xd0/0x5a0 [ 508.113543] vfs_mkdir+0x42e/0x6b0 [ 508.117067] do_mkdirat+0x266/0x2f0 [ 508.120678] ? SyS_mknod+0x40/0x40 [ 508.124209] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 508.129045] ? do_syscall_64+0xb7/0x9d0 [ 508.133006] SyS_mkdir+0x22/0x30 [ 508.136362] ? SyS_mkdirat+0x30/0x30 [ 508.140064] do_syscall_64+0x29e/0x9d0 [ 508.143944] ? vmalloc_sync_all+0x30/0x30 [ 508.148076] ? _raw_spin_unlock_irq+0x27/0x70 [ 508.152555] ? finish_task_switch+0x1ca/0x820 [ 508.157043] ? syscall_return_slowpath+0x5c0/0x5c0 [ 508.161961] ? syscall_return_slowpath+0x30f/0x5c0 [ 508.166876] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 508.172222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 508.177063] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 508.182233] RIP: 0033:0x4552d9 [ 508.185400] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 508.193092] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 508.200354] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 508.207604] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 508.214854] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 508.222106] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000012 [ 508.229429] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/04/06 07:06:02 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xc0fe}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:02 executing program 3: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/schedule_icmp\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000040)={0x0, 0x9}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000000c0)={0x10000, 0x800, 0x1, 0x10001, 0x2, 0x1, 0x1ff, 0x8, r1}, 0x20) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = accept4$packet(r0, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000600)=0x14, 0x800) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000640)={'bpq0\x00', r5}) r6 = open(&(0x7f0000000680)='./file0\x00', 0x482200, 0x10c) getsockopt$IP_VS_SO_GET_DESTS(r0, 0x0, 0x484, &(0x7f00000006c0)=""/4096, &(0x7f00000016c0)=0x1000) setsockopt$inet_sctp_SCTP_MAXSEG(r6, 0x84, 0xd, &(0x7f0000001700)=@assoc_value={r1, 0x1000}, 0x8) getsockopt$IP_VS_SO_GET_SERVICE(r3, 0x0, 0x483, &(0x7f0000001740), &(0x7f00000017c0)=0x68) getsockopt$inet_mreqsrc(r3, 0x0, 0x28, &(0x7f0000001800)={@remote, @rand_addr, @multicast1}, &(0x7f0000001840)=0xc) setsockopt$IP_VS_SO_SET_ZERO(r2, 0x0, 0x48f, &(0x7f0000001880)={0x5c, @local={0xac, 0x14, 0x14, 0xaa}, 0x4e20, 0x1, 'sed\x00', 0x8, 0x3, 0x62}, 0x2c) getsockopt$inet_sctp_SCTP_NODELAY(r4, 0x84, 0x3, &(0x7f00000018c0), &(0x7f0000001900)=0x4) ioctl$sock_inet6_SIOCDIFADDR(r6, 0x8936, &(0x7f0000001940)={@mcast1={0xff, 0x1, [], 0x1}, 0x30, r5}) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000001980), &(0x7f00000019c0)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r6, 0x84, 0x9, &(0x7f0000001a00)={r1, @in={{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x5, 0x47b8, 0x2, 0xffff, 0x3}, &(0x7f0000001ac0)=0x98) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000001b00)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_BINDTODEVICE(r3, 0x1, 0x19, &(0x7f0000001b40), 0x10) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r6, 0x84, 0x7b, &(0x7f0000001b80)={r7, 0xffffffffffffffc6}, 0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000001bc0)={r7, 0xf5}, &(0x7f0000001c00)=0x8) setsockopt$ALG_SET_KEY(r6, 0x117, 0x1, &(0x7f0000001c40), 0x0) setsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f0000001c80), 0x4) getsockopt$IPT_SO_GET_ENTRIES(r8, 0x0, 0x41, &(0x7f0000001cc0)={'security\x00', 0x1000, "ba41de77d62b409f6f598e64fa42cfee4e85e2fa8b8095b0f90a110a77ebbd3ec734e38cbb58ce290831315d92c21359bba3a301f78e16fa8ff7a6b60e7deeee035f5307adb7b01167b26db12880ce37c9f298a831ca11bfe4467dd2750e63a8d7b0efa49f65bcfb6139c2d00ba0ad277507c04a911a19ae499b1f6064093c4d49aa89d3d48af290416162e3eaf7978b792ced47402239f8f55e9ec9378de2cfe8dd24bef901681a7816cd68bb4d36ce1f4de3a8ebd36c37759f1ffac2dec988116a77251c6a55e97dad46f6d4fb182ac184992c51a1b83ba5b73b9395e9e13e1a7a6ceaa40976a5246dce556706a5346a12c3bb3416e27592969cec05f8c4059cfd73075b3a6ce72fa57b0795eb14d56c39d6c98cc3aedb1d0832e5b9b738f109674534125c2983553164e546865145e7317188633918c4c81eb06c40d75346797af2c443e80036c6fe323ca7ebda441b5511c70f02d81df07cb0f9770d1d7695fd23e6f58f32bb96f5adf2fed3b7c1ff23466dcaf89fc8475258ff429715d56408262c3042c2eef037968852e93a2952efcbec750cd6bd5d3af7ceb1a2f1ea895516594a111a8dff6b93c4ae2b703b3e0c67ed951ff7118b4daa2a3d5cfc61e2629a7097411a7200f916b749473c7350984f43576ef51e8e4814a08a66c42972818d444fe199018a7a02085816854502ad38c6dc967d855f5b6faa999e3be9d7e18f8a21ade4961e7b2aae2c36e9d839a6254317ab3930e4f88a55d57043f5b1e38c9509e61ad5eeb5bff3fdca03821c90c7baf301ff27037c7891fae7767dcb195d2fbf898b0b4da219b1f479bd799e0e17cafef0a5b338651339a457619585facde7f250a247777ee0aa3c47fc6bfc78f7ae678a402bc6a70025debc117ff5e2af01c59922a8f979b0eac156f0d079080a1dbb463d51e596eda40540d83d88a5f679a3251d3d6fcaec204e7fdabbdd21fd47235bd1fed37c3e08d311d348ec2eb10752511a584b4d1db6caea847268a3ad2b8bb1ef630d20597ac08595861eda6b24cd4aff3780f12cfe9722f13e565fc9ce6788da8e60284339953be56e23266b31c845b1f69b2dc32bf8d06c5a37bb8a7b5d8ee559363e75ed8df6bffb42b0cc41ae6c94b6de2bee5f50ed9a057a4a0fdd36c221c08c2a4855dcdf081efc897b6bc469a72494d2d1e097a01be0908fd49145a2fe1ea2e98e1fa9b87e5a77111673056bd7d459b46ca925b82ccece5cc359aaa12bc050a9649a62743805d342ac090b910d955c2a8d46ac3001f9b0676a123bde5deac7aae6f1c2159c694a6bcc4d06bc7d034f17d2958fe085f393996d057c7c430dba1fc3642d6cf670b80008f2d7561767f4816e3cdc8bd2d36b329b7bfff21962aba34c604de0c0e87a8fd0dd6d4d9fe09aa4a8ac64faafe775e9c6e130a4085c7178bfdda1890d7b936cb813e08216d9faf3edf2640677247b8a130051bf563d4446570087f4314fbdd12b21bc7700e6524cf5bf34c969109392f324b0a38b23fff2cb79c515160d86078f5fbed0c4ab3a8f32a16b62250acb354f580142ee077f047c6b7fd289f3c21f19f63e29381d99cd98ba569390b7019c552d1e3f9cbccce309421968aeddb25bf2cc3fc5761975109c626466f655969afc9f0b0bb81112d5bb882d22adcd120d96299cc7eaab8ce15bda6a7f8e3b786236cb3dab6fb568635076ecf1750bee618060561ec4ba8c9bcaffab29d8f3e8afaf6f7d1881dd0ff4a74df9ed0ac8b51a346015219a13db5b8e0eb73eb03af084ad8b23aa9f84778848aeec3c38378d6b626a064ee277265e980e5d7b44ea9c91b3dc6fb181e95538fbc003384f63522c9266526c18a28a61fc22eb0b669af26afcb7d3acdb0e06acc7b644c95088eaffb6c16eafda0b152bf1629cb7536c6d50d5f6e8995f24d37ec8c8dc51d048313667189db3388a344330753beb2dc1ae4c9a778423836e5b0fbb25b1158ed368cdde0399b3f67ae7bb435a2fb46d2828c238288f61850344bd6679416d84f3de1206c009b22f4de3e4b6522849033d5de79fdccc9be58c941b000592e9d9064d8ed53c371580c869d50d762f19c04468b1ba2b0181de1464f0362d73e32fab3594b9ba018aadde079c3b537dfae7bb2f1f2d6f3f730c61bdc14d502354a8fba5bdd2b347a0adef9b4a1ed88e7230ccd0fa71dfe64a5c9c97e9c2c67a53ecfceba5848b338618756bc475d74bd60bba96eda891586ccfc445d7c24a02abf4e12ac2486a05738c75b2ae582cb1f3b1c572b1e0e666760b4c84d40992eba932e7d82663b579fe725918c0702dcf53754bd34536b8d8f4f07cd08b43b8696d3aeb92da6e57ef850ad5ba51cef0ef1a2622655cf18ea724d7f56cb335096f46c1f42fb721f7f9530cc092775fd1db67784f282e6a0802f8b9af51604f3525b23cc55d77dede0604b87e5a2dd6569822a1dba2a2bbf47bd3d24dac731727deddf7729f5a7efaf0789b542500529a936a38c6463134c4c6b99bc0b4c32568762bc8f9c9c649c936291e9943199bb7d0b28f205ddc89105fb6561652ecc10ac9047d1e2d515ac7fdaa04e83862e96df05246d4ac9a1502a3b564276a12116ec5559fc1d5ca4ebdb3f37faa20d3e67988b3e5e566d74d6b15a4f704fefb5d4469e92b3e31d41be73548ee31ab1de3660e3094cf798c02d366fae8c792148174651fb7c87865ac8925f0977bdeccad2ec3d0082d558f914204ca941081820712ba3fa211221c1e5f3e8230ec205d16d1c0c3b32e4505ae09905878e03e5a403b23acb0a9868f4608bb3b82edf282d58b205373ea12f8ee63028973148e1552876c27f609a881a655a7714eba08efce47db4c061f34d8830d5c767bdf128b7a9408185d17d84df23e76f5067fa56a164db1796926e168a215641cb5b3b4431e2da1aab8dcaf3218c025e07ec0eb6062f0248949e5d0e87d5c49dcbf68d86e905d511ffe7b696554168c51936cc4a5668f69ad11cee0023a8d30c0553d6c6d2409cd30af8ba2388b940cc393934e1cd3ecb799b6fc39a2b3023191e5851b6de45eb9fa2d7f75fe1836597e70538b07eccc4a71d94db620f705f5f5b5dc52a117b0dab8b232ef9dfa96b5914046bfdaaeb8066b0515c2030284d549ceb5c129f0027bf3aa8c54a9ba270803b291a1af880f8f99f884efbd481efdabb75279363a3ff85b3e06c58050dee80c5e2e655c0542a1924a5b6599104e7a7f67ba6d3df83d8d9c4136d755d07c6169360d57715d55fc806786454355f53630a558dff5a03b00ed3fc69dbf46a81a1d9b0fe08a99b75042855b7f6a279494f82d2b33028741ce1cfce93f4ee36ed4e430e5692b0924c78ae545ad9e291acf2812482fe90edcbb32a7da942acc71b74f5998570825f4bc5d510c682c48eb4a63d9e6800f279df134b8e44d946ab1ac36791de804dbd4b100cfd9198a00bcebbea6db669d76b222ea33af1705ddabf8759fd5b0391a9f63c09d18093c090f3bad953e421c1e17a231aa36e9deea38cdc47a79d2a590ff320fc32418577c2122f0ca44a52223ed2f466170ea9b466e0f9426961f2764fe100188949556c254a87d1ce0b06d6fbf8244a36c7783f94ed0ab6c8718830fb90140cb863b865f61d4da49756897ad8002ac2aee158c4c1030b81e98dab580c18f73d852bf8c2248318d322925331105df464c2ddc25c0ce06e2b2361a0249628ed43c30c1c25c3fe450c44271e3c0113c25a1be92a0dca010d6a7b7b34537c05624588842373f318d6c020edc7636c69e7439003f80ec6ecbc923c546e2ff4c273a1988cdcbf1b38d6c9f528b78612df4af7c393e6ea08c0d7f2a6a81cd2ce05f33b813b252930e6c4eb30c42d442e8d0124c405194d116d2ce40e35b1509d6b1582de4d89de01cc9b24995e7b60349fa5f8f3822318dd6a09344564c92ef6e5f08931790e2a03c63c471793736d73eb6c23378328fed78e6e9c3dbba5e25762a875966707a08cf979e602eb108858aadabcc202ff6ae6864876bea24f0a73c19fa3019ab5dab4abce80b97ce14f4791ccd799dd20f6a0b5490bb97852a76b3972aa2b1c7ec733a4e6d9d20731340d7ffd00a1386923ebda81b5e1cb3ce39bc91a4abe701e79513d0b62f87ac538137ad96ebf64788df594e287ce398752e860923cfb86b66158166f8f457c7cd24ce68232358d7b03ac598be51097d949c29b7daf529d8688970b520c759538fa9e713060e4d3e7ec34a5ec5e70b1467c9fe46221fb46d997f1c79acb5c1f282b2fa0a693d7b78434f8d5342d0329ac38bb44ac938a9c222ed7894466fabf3c344115892b8ab1d6e8d99b2039922b252d63bff54da3db53c9f28257b2806f8d976c7a7d5bd43445bb2d593121833d34108b89a70cfe577ac17d0582ecb110d48ded6837b6b1ab5f2ccbadee37f2bbe3312047aa5620ff49564138870716b05f5e9f8f73b971a35c03b43e5bbf4b5a383cd4118ca574699e6f31397f290c6b3614f3b68bc92c0734ef8c6ccee4e093c2d1410ab86e8aa826ad111e78052a116a97b0dcd5550acde2b351b64192e0f591130b2a3a453e51b33ef1e155d00c3ed3da6d94e599887c9b5089a475dd77b9f8a4f000c6c8f50857eaf51b660d3c3814a2d67737f225f355a084be69d71fba4f2ceda3423f20a4769f6ddf9f2945caafcf07f64c603771763affbf8bfb0f07820a4a44511a66afdb07df9e8650fdcf7f53ba74e4b952cd2865371f7665f831b01af2720d5b996e124777b88dda8ffe9d78b02172aa8f2170582b7649c8518a3fcb63edf1793fbfc552e2f7f505db6629671c9c7ae1d949fe10e4afd4c4c2cca2a6b148051a107943e8fd2e246e9a6be290e7aede5ea873c484e589a02dcb5b75a9e693599d53e1e1e98b5afd7861d1e31a631dd2424bbbaed7625a1a218d8cc8d5c13386f071799526684880139a22399e92f83adb8d9775af0983a7479b49126f9387df9419a6f5fc8d95076e584ce20c2fd96f762d7d964d8fe7a33446c39afd1368a43388ec54adb6f44dbf539c9c8c136fd587cc9ba812f8f9b4bfc11f14725a85a5af0dcdfa0d3641bbf1804802208b7ab535fe5e8c1fadbbfcf702343c0f481ca6eff02c551a3cd1eac275205cefbba915d5132d930b2cabe590f42c2758bd6cc50d36a14047e16fdd34778dbe80e0fd197c2b06a8aefe0321873100939d2701ea2ebd2d03e0a33c62552440541f213e93e95e562471422e5fa79bce8c6e2a8eabcca62335318a6876614eafd963021e4a0b48b30ead977992e034550313621d63f3418501f00fe96130e1dcdb585544ecf8a3dd8d4964c3f7db7dd26f0db01fadaf452bf6b6d888aca3b2c15e16262f410bab5e8682694c89f8021b1e3306d847ea2e441aa75bf7eccd55b15b5bd9e8cdbf017b9fb663f8873ea4e4bf97b64db503d98fdaaa045ec9b0ee94f97207302f2e1ba91e83b1bc2f23bb88fcf2214243aa4e4639812b13c9393f26e71276801edcd345cce9d896a8fa8cb45d4a82fdd8467999bd00eacbd52b5b93eb3f5f09ccfc8eacdc3ff76d5aec3c0987f8d53217801c060e884d74641f46a0644e121bcb3cebd5924b0019926a86e46b56812e9a3d4760ad9c39cff8dfa639373c8fad292afe167b50b7d430c7eb8e6b3d50f39789cb1e15e1958c7f7e565dcc2fafdcff4d4d3fa5f6afd4be33fd94838ca05a6f0d61e7b67a7789228247607346ac8e6e561309a0dc3088b677ff287b34a97fcca4ed9d4811ed56c4fbc9e5358140e92a8395d"}, &(0x7f0000002d00)=0x1024) connect(r0, &(0x7f0000002d40)=@ax25={0x3, {"c8f50e93f38969"}, 0xfff}, 0x80) timer_create(0x1, &(0x7f0000002dc0)={0x0, 0x4, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000002e00)=0x0) timer_gettime(r10, &(0x7f0000002e40)) syz_genetlink_get_family_id$fou(&(0x7f0000002e80)='fou\x00') write$binfmt_elf64(r6, &(0x7f0000002ec0)={{0x7f, 0x45, 0x4c, 0x46, 0xdcb1, 0x7, 0xc14, 0x0, 0x2, 0x3, 0x3, 0x9, 0x11f, 0x40, 0x26c, 0x3, 0x1, 0x38, 0x1, 0x2, 0x1f, 0xfffffffffffffffa}, [{0x60000001, 0x6, 0x10001, 0x4, 0x8, 0x7f, 0x3ff, 0xcc0}], "a512059231229d28451a3a4bb4433bd638668f8a8c730be50c3de9dd5485b1479484b3b44a6f9f517d89b8d52e38b0557ec3adf8b7046f940cd08979ea4dc6c18a7cd2b6672b70b572576dc717c598d0cb5eff6cbe6cf8a03cfec33623d906e6e9206076cda5f492668171acc4ad27f876ba3fef8b2b12c928ec08be5136af6a5328bffa1559badc158160de348d9c51358fe578c6544fae136a0f6ae6f6c5f24bcdbb104c4506a3b33f21d75d422c473d90c6bdea0d71a6421304b55b734c64c083940c00d7", [[], [], [], [], []]}, 0x63e) mbind(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x2, &(0x7f0000003500)=0x80000000, 0x7ff, 0x7) sendmmsg$inet_sctp(r0, &(0x7f0000005000)=[{&(0x7f0000003540)=@in={0x2, 0x4e21, @multicast2=0xe0000002}, 0x10, &(0x7f00000049c0)=[{&(0x7f0000003580)="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", 0x1000}, {&(0x7f0000004580)="cd950f5fafee6171d826fb171d58ee1be28982643173689b6f601f4cec4465ebc7410614967029e18e80a531aac15336e6e96c879fc6", 0x36}, {&(0x7f00000045c0)="3e91d2ac913fbb57f71f7d811e4c58aedc904d0694c8e060e12451e406d4784ef6fb95690cc1573e7dfe6cb6979ddc0c6c086afb6b03315919df003b695fea4c84ab383f67b101bd80b74f8981c846d3dd2da37e718621b0d7adc7bdd0e92e861825a9c31ff0dfabe0327df709e4", 0x6e}, {&(0x7f0000004640)="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", 0xfd}, {&(0x7f0000004740)="f18b544e07e62b4c60f673005b81e43ccab856f26bcb248fac7a6a091c27b4644da989b427ddc88407aa6d57b831d78c8472b01e177e63f84278a264628569f9bda0e7770cac6eaf05cc342ced22ed2ed32a4d289287421da1679a6edca72693e52adf6eeb08a80128a8884fbcb77c96a0a6c1375d3e2278032f493463d53841f20655f562f6b95152e024850d2d265019cfa560c227d66543ed0c14a5e946ddb308aaf7176dc6c04749b47ec66b6eb772158e686ad1bdeb697134b4b905b53f8dc3c548b42fdf80352c69e2b65ed294f022a0b7a2bfa091", 0xd8}, {&(0x7f0000004840)="785cba791926c02ec840c7e84734a354edf785d6a98cfb51e0aad771148fbad3c178fb917997ba071e143bd0fef7e0aab8eec4f3aa19cfed20bd5ac83e6ac95f622997f95ef1a9d223515e6ffc7ea88c7ba5727b1200e9f8e1c91bd9df8605befaf6d88077aa69b2162e8f9e9f14d0ef3f5f354bb3f011e249ab97fd8c1a9038492b36d122ebd31f66da67dda2f3fc3c1c878b88a855943abe38259dc1b7267b901d3ad83d0645a59f16", 0xaa}, {&(0x7f0000004900)="ebc641041457919dd1c2b72feb9a32e02dabddb8c9ad9861deb939971b5c0999228bc434b9f466654c9b4f636530b001636b8795bc01970979ec799e201d721d2cf9a784319794fda46853eee417fa2e33cdbcf96efe7f042cab5ff527a90fa8d2c01f4cc2c76e67ea2e89c22e9e0046515020b090a9b64c0ba8a788cef0f28c0df0b40fddd8cbc8461661eb9df5059f23a1de5e2fa458bc746c9a3aa29cf8", 0x9f}], 0x7, &(0x7f0000004a40)=[@sndinfo={0x20, 0x84, 0x2, {0x80, 0x8004, 0x5, 0x3, r9}}, @sndinfo={0x20, 0x84, 0x2, {0x800, 0x2, 0x264, 0x7, r9}}], 0x60, 0x20000800}, {&(0x7f0000004ac0)=@in6={0xa, 0x4e21, 0x2, @ipv4={[], [0xff, 0xff]}, 0x2499bddb}, 0x1c, &(0x7f0000004f40)=[{&(0x7f0000004b00)="ed22c86194d3494e1264c178f5c3b7957b982d3ee469", 0x16}, {&(0x7f0000004b40)="fb978f639fa7f847a090327812e4b6d0868fb1e386c0aee34bb6c4f35ea3959c8cf832c52fd2513858038b130fe579b8149f19933ad67e5c94962f29f1b9956dcd3f976ea8e4460eb48086ade07f7b2ca554457a0455e9d1e60e15ae2c6167b0b4449d3733ba450cc6069899d52f571524047ebe35f038c2b0777661e8c397de8007d4d927345125e52058ce4740e5032a50658e3af1455c99919451556d3de53304eb3adef8b7338d90cfbcee11f7616f1c3423ef91158536e356668b7496d1915918f59b8b93ee4b1d7dd034c971513c1af3919c238b1ad02c124b", 0xdc}, {&(0x7f0000004c40)="d09e0b0cb7bfc77b7041a20a16dbe90cb8b4c240d6eee0e70abff57327875b8aabc9c6bdce748f235355349069", 0x2d}, {&(0x7f0000004c80)="449fc28feba871ad4a3ff5d3bb206ac13d1b87f37162d04961288b853eb3000fe62e1d45e28d6d8468f7effa0f2907a32d2051f51ae5bf3350ee1d475bd8343e484b333f8ff7c7594316273b605d3e778d17dc0a5f8ddd96605e83f472d24a6721c7cdfd4f94019c646a466f318e2e56d6c6608f117d1ddf536356eeaa1f", 0x7e}, {&(0x7f0000004d00)="80589582e85bc2be3e2e8059b3dc523c46c0e92fd6b05ab6e301ee2e5ab0e0131cdca4cf628dae687df8fd84ddb0804c97c7446c17c3bdf1df84a19226976544643f5f18a7bb049391913311edfcdc00d8222dc5a9b42d34381c8be4770924cedf47adc917226faf11c0cc6d0a0b2f4d73d248ed954ebd2cf4095d5b893e23239ba26d28b43945ccad7079f35a0b44cadcd6a0", 0x93}, {&(0x7f0000004dc0)="660ea2fedc013ec0cb24a266ea3695e0158ce21b07b5f9d4ac194648966e0a3be1ac5c6a7fe511c271bddaed7b33b6b792da83ea", 0x34}, {&(0x7f0000004e00)="b6749abc9db52446cacef3966e518bb7b86dd86f232e5e9d6bbb43149d4444a93ab86531edfdbd54c63015c4d4ee9dc349fb449e14cf8eda00a8a4b7f35daff8ec1ed310b428ed25d51a5604a6054ce301df60bcd1b772653e7551b5afa0b5e7fc4408dc427bcd90e8", 0x69}, {&(0x7f0000004e80)="c168ae89bf041d7785afa4adec48ead6f9ae2aa1341908888029dc42bf67ec80e338e5b676546abb441de5db4d7e2a37ef1e7a94b51c79c95e920bc57bb1b451006767444d5c3cc6f94045d4416522b83d4f42793f41b1efca98ba6c33c741aad4d1609bbc97712b400d3c2d13bad9c503322d19ad2e510c3f517305f5434ca0dc08525ca9c00fb09526fefc58aee029c29366297459394acd", 0x99}], 0x8, &(0x7f0000004fc0), 0x0, 0x1}], 0x2, 0x4000) 2018/04/06 07:06:02 executing program 4: syz_emit_ethernet(0x201, &(0x7f0000000100)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], {@ipv4={0x800, {{0x18, 0x4, 0x3f, 0x100, 0x1f3, 0x65, 0x7, 0x3, 0x99, 0x0, @broadcast=0xffffffff, @remote={0xac, 0x14, 0x14, 0xbb}, {[@end, @ra={0x94, 0x6, 0x8}, @noop={0x1}, @rr={0x7, 0x17, 0x8, [@multicast2=0xe0000002, @broadcast=0xffffffff, @rand_addr=0x2c2, @dev={0xac, 0x14, 0x14, 0x17}, @loopback=0x7f000001]}, @cipso={0x86, 0x14, 0x3, [{0x7, 0xe, "f34d22bc7f633920fc43e934"}]}, @ra={0x94, 0x6, 0x5}, @ssrr={0x89, 0x13, 0x80000000, [@broadcast=0xffffffff, @multicast2=0xe0000002, @dev={0xac, 0x14, 0x14, 0x1a}, @loopback=0x7f000001]}]}}, @gre={{0x0, 0x0, 0x1, 0x1, 0x0, 0x9, 0x0, 0x1, 0x880b, 0xcd, 0x3, [0x59], "142b688bea845763db4b7925d70f8c758869162b90a23f6ccad850c10a0ca2fc5b044c101a9977a03f0c620e654e53be29421c80920fe9ab108a6c75f8c1016f94dc6a516c1c5b6ce82096a5477e0d4bbe0ffe2c7625d1ce0794c745f155d740e6f76ebc065c4b88e987fd6c6acb2114203b4e7e117f5c9c1321712b24722bd33138ec825552cb94488886dd198c0e1d2c539dfa48e8c6335ba494f3c024ccbe8f09d40d337613bccca3966ea3a4009b7abb4b5c79cedfb105fae68c7c0c0ebb397afdd6fc1effebd3b4cf1514"}, {0x8, 0x0, 0x9, 0x4, 0x0, 0x0, 0x800, [0x1f, 0xe8, 0x0], "69078cabb68efde0db3ba964a5a7ff0f620f20523a32aeb5d7c8f4568eb313a11ccb7b69c88d225ecc5121c413a606717a6b1e4559a2"}, {0x8bc, 0x0, 0x5, 0x8, 0x0, 0x0, 0x86dd, [0xc88], "8880abbdc871ef2cc6b6f2853fd100ffc4cb4b"}, {0x8, 0x88be, 0x0, {{0x2, 0x1, 0x7, 0x80000001, 0x2, 0x0, 0xa1d5, 0x56}, 0x1, 0xcf57}}, {0x8, 0x22eb, 0x3, {{0xb4, 0x2, 0xfffffffffffffff9, 0x1, 0x7, 0x4, 0xfffffffffffffff7, 0x3f}, 0x2, 0x5, 0x6, 0x9, 0x3, 0xa6, 0x2f, 0x1f, 0x5, 0x20}}, {0x8, 0x6558, 0x0, "62a2b8c3d13a0f42aeff2290051abdf698e330bb7e7fab9938a01acbb86cc8f33a968be64bf73f2991f1bc8cedc83c"}}}}}}, 0x0) 2018/04/06 07:06:02 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530b6", 0x0) 2018/04/06 07:06:02 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xb8030000) 2018/04/06 07:06:02 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:02 executing program 0 (fault-call:3 fault-nth:19): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:02 executing program 5: r0 = socket$inet(0x2, 0x1, 0x0) r1 = dup(r0) bind$inet(r0, &(0x7f000012e000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$sock_buf(r0, 0x1, 0xf1531780ad8038a2, &(0x7f0000000040)=""/106, &(0x7f00000000c0)=0x6a) ioctl$UFFDIO_COPY(r1, 0xc028aa03, &(0x7f0000000000)={&(0x7f0000ffe000/0x2000)=nil, 0x2000}) fcntl$getownex(r0, 0x10, &(0x7f0000000100)={0x0, 0x0}) ioctl$sock_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000200)) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000140)={0x0}, &(0x7f0000000180)=0xc) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhost-vsock\x00', 0x2, 0x0) kcmp(r2, r3, 0x6, r4, r1) connect$inet(r0, &(0x7f0000987000)={0x2, 0x4e23}, 0x10) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000d27ffc)=0x9ff, 0x268) sendto$inet(r1, &(0x7f0000143f1e)="96", 0x1, 0x0, &(0x7f0000848ff0)={0x2, 0x0, @dev={0xac, 0x14}}, 0x10) poll(&(0x7f00005d0fc8)=[{r1}], 0x1, 0x0) 2018/04/06 07:06:02 executing program 5: mremap(&(0x7f0000005000/0x2000)=nil, 0x2000, 0x2000, 0x3, &(0x7f0000003000/0x2000)=nil) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x101000) r0 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x2) socket$alg(0x26, 0x5, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000040)={0x4, 0x9, 0x6, 0x5, 0x6, 0x4, 0x3000000000000, 0x81, 0x0}, &(0x7f0000000080)=0x20) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f00000000c0)={r1, @in6={{0xa, 0x4e20, 0xfffffffffffff801, @dev={0xfe, 0x80, [], 0x15}, 0x10001}}, [0xff, 0x800, 0x800, 0x8, 0xdd0, 0x6, 0x401, 0xfffffffffffff5d0, 0x401, 0x35, 0x311, 0x80, 0x400, 0x1, 0x19]}, &(0x7f00000001c0)=0x100) ioctl(r0, 0x2286, &(0x7f0000979fff)="a6") write$evdev(r0, &(0x7f0000001fdc), 0xff76) ioctl$KVM_S390_INTERRUPT_CPU(r0, 0x4010ae94, &(0x7f0000000200)={0x20, 0x64d, 0xacdd}) 2018/04/06 07:06:02 executing program 3: perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket(0x0, 0x2, 0x0) getsockname(r0, &(0x7f0000000180)=@ax25, &(0x7f0000000200)=0x80) setsockopt(r0, 0x0, 0x1, &(0x7f0000000100)="010000000300", 0x6) r1 = socket$inet(0x2, 0x5, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='erspan0\x00', 0x10) sendmsg(r1, &(0x7f00000000c0)={&(0x7f0000000000)=@in={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000040)="84", 0x1}], 0x1, &(0x7f0000000180)}, 0x40) ioctl$sock_inet_SIOCGIFBRDADDR(r0, 0x8919, &(0x7f0000000240)={'bridge0\x00', {0x2, 0x4e24, @multicast1=0xe0000001}}) ioctl$VHOST_SET_LOG_FD(0xffffffffffffffff, 0x4004af07, &(0x7f0000000040)) 2018/04/06 07:06:02 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x60000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:02 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000832ff3)='/dev/snd/seq\x00', 0x0, 0x0) r1 = syz_open_dev$midi(&(0x7f0000000180)='/dev/midi#\x00', 0x0, 0x2) bpf$OBJ_PIN_MAP(0x6, &(0x7f00000001c0)={&(0x7f0000000140)='./file0\x00', r1}, 0x10) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r0, 0x40505331, &(0x7f00000000c0)={{}, {0x0, 0x2}}) r2 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x1, 0x1000080002) setsockopt$IP_VS_SO_SET_TIMEOUT(r2, 0x0, 0x48a, &(0x7f0000000080)={0x3, 0x8, 0x7}, 0xc) 2018/04/06 07:06:02 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2309) 2018/04/06 07:06:02 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xffffff80}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:02 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:06:02 executing program 5: r0 = memfd_create(&(0x7f0000002000)="2f7b06003170707031253a656d30f9", 0x0) write(r0, &(0x7f0000001000)="05", 0x1) clock_gettime(0x0, &(0x7f0000003000)={0x0}) ioctl$DRM_IOCTL_GEM_OPEN(r0, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x525}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000080)={r2}) write$evdev(r0, &(0x7f0000001000)=[{{r1}, 0x0, 0x0, 0x8}], 0x18) ioctl$ION_IOC_ALLOC(r0, 0xc0184900, &(0x7f00000000c0)={0xa3d, 0x21, 0x1, r0}) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x4, 0x11, r0, 0x0) timer_create(0x0, &(0x7f0000003fb0)={0x9, 0x1, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000001000), &(0x7f0000005000)) [ 508.794456] FAULT_INJECTION: forcing a failure. [ 508.794456] name failslab, interval 1, probability 0, space 0, times 0 [ 508.805849] CPU: 1 PID: 28249 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 508.812729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 508.822075] Call Trace: [ 508.824652] dump_stack+0x1b9/0x29f [ 508.828261] ? arch_local_irq_restore+0x52/0x52 [ 508.832912] should_fail.cold.4+0xa/0x1a [ 508.836966] ? kstrdup_const+0x66/0x80 [ 508.840844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 508.845939] ? kernfs_iop_mkdir+0x159/0x1e0 [ 508.850240] ? do_mkdirat+0x266/0x2f0 [ 508.854030] ? SyS_mkdir+0x22/0x30 [ 508.857558] ? do_syscall_64+0x29e/0x9d0 [ 508.861605] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 508.866951] ? graph_lock+0x170/0x170 [ 508.870744] ? find_held_lock+0x36/0x1c0 [ 508.874787] ? print_usage_bug+0xc0/0xc0 [ 508.878829] ? find_held_lock+0x36/0x1c0 [ 508.882873] ? __lock_is_held+0xb5/0x140 [ 508.886923] ? check_same_owner+0x320/0x320 [ 508.891228] ? rcu_note_context_switch+0x710/0x710 [ 508.896139] ? rcu_read_lock_sched_held+0x108/0x120 [ 508.901139] should_failslab+0x124/0x180 [ 508.905182] kmem_cache_alloc+0x2af/0x760 [ 508.909308] ? memcpy+0x45/0x50 [ 508.912565] ? kstrdup+0x59/0x70 [ 508.915915] __kernfs_new_node+0xe7/0x580 [ 508.920050] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 508.924791] ? kasan_check_read+0x11/0x20 [ 508.928919] ? read_word_at_a_time+0x12/0x20 [ 508.933307] ? strscpy+0x170/0x510 [ 508.936833] kernfs_new_node+0x80/0xf0 [ 508.940707] __kernfs_create_file+0x4d/0x330 [ 508.945099] cgroup_addrm_files+0x437/0xaf0 [ 508.949408] ? cgroup_css.part.14+0x1f0/0x1f0 [ 508.953894] ? __getnstimeofday64+0x3a8/0x500 [ 508.958370] ? getrawmonotonic64+0x4e0/0x4e0 [ 508.962759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.968284] ? kernfs_active+0x128/0x1b0 [ 508.972338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.977852] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 508.982326] ? cgroup_file_name+0x1f0/0x1f0 [ 508.986628] css_populate_dir+0x35f/0x420 [ 508.990759] cgroup_mkdir+0x807/0x10d0 [ 508.994630] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 508.999369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.004886] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 509.009969] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 509.014790] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 509.020307] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 509.025824] ? kernfs_get_active+0xb2/0x120 [ 509.030123] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 509.034858] kernfs_iop_mkdir+0x159/0x1e0 [ 509.038994] ? getname_flags+0xd0/0x5a0 [ 509.042957] vfs_mkdir+0x42e/0x6b0 [ 509.046478] do_mkdirat+0x266/0x2f0 [ 509.050084] ? SyS_mknod+0x40/0x40 [ 509.053604] ? do_syscall_64+0xb7/0x9d0 [ 509.057559] SyS_mkdir+0x22/0x30 [ 509.060911] ? SyS_mkdirat+0x30/0x30 [ 509.064602] do_syscall_64+0x29e/0x9d0 [ 509.068468] ? vmalloc_sync_all+0x30/0x30 [ 509.072595] ? _raw_spin_unlock_irq+0x27/0x70 [ 509.077069] ? finish_task_switch+0x1ca/0x820 [ 509.081542] ? syscall_return_slowpath+0x5c0/0x5c0 [ 509.086451] ? syscall_return_slowpath+0x30f/0x5c0 [ 509.091362] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 509.096711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 509.101534] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 509.106704] RIP: 0033:0x4552d9 [ 509.109884] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 509.117569] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 509.124826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 509.132083] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 509.139330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 509.146578] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000013 [ 509.155479] cgroup: cgroup_addrm_files: failed to add cgroup.max.descendants, err=-12 2018/04/06 07:06:03 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer\x00', 0x4000042, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000080)={'syz_tun\x00', &(0x7f0000000000)=@ethtool_rxfh={0x46, 0x9, 0x3, 0x0, 0x7, "ea9a72", 0x7fffffff, [0x4, 0x1, 0xfffffffffffffffd, 0x80, 0x10001]}}) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000040), 0x100000000081) 2018/04/06 07:06:03 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x30030000) 2018/04/06 07:06:03 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000000140)='/dev/input/event#\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x6e, &(0x7f0000000000)={@random="cdbf0e000084", @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x38, 0x3a, 0x0, @dev={0xfe, 0x80}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0x3a, 0x0, @loopback={0x0, 0x1}, @dev={0xfe, 0x80}, [], "800000e77f000400"}}}}}}}, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x0, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000000040)=""/123) 2018/04/06 07:06:03 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x400000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:03 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:03 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x82) socket$nl_crypto(0x10, 0x3, 0x15) r1 = syz_open_pts(0xffffffffffffffff, 0x200300) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x100, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r1, 0xc08c5334, &(0x7f0000000000)={0x3, 0x7ff, 0x0, 'queue0\x00', 0x8}) setsockopt$packet_rx_ring(r2, 0x107, 0x5, &(0x7f0000000140)=@req={0x0, 0x4, 0x3, 0xfffffffffffffffc}, 0x10) r3 = memfd_create(&(0x7f0000000240)="74086e750000000000000000008c00", 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/cuse\x00', 0x0, 0x0) pwritev(r3, &(0x7f0000f50f90)=[{&(0x7f00001f2000)="aa", 0x1}], 0x1, 0x81003) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r3) sendfile(r0, r3, &(0x7f00000000c0), 0x102000001) 2018/04/06 07:06:03 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:03 executing program 0 (fault-call:3 fault-nth:20): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:03 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x300000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 509.568712] FAULT_INJECTION: forcing a failure. [ 509.568712] name failslab, interval 1, probability 0, space 0, times 0 [ 509.580088] CPU: 1 PID: 28274 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 509.586934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 509.596291] Call Trace: [ 509.598893] dump_stack+0x1b9/0x29f [ 509.602536] ? arch_local_irq_restore+0x52/0x52 [ 509.607227] should_fail.cold.4+0xa/0x1a [ 509.611285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 509.616379] ? zap_class+0x720/0x720 [ 509.620079] ? __might_sleep+0x95/0x190 [ 509.624050] ? graph_lock+0x170/0x170 [ 509.627836] ? __mutex_lock+0x7d9/0x17f0 [ 509.631886] ? zap_class+0x720/0x720 [ 509.635594] ? find_held_lock+0x36/0x1c0 [ 509.639652] ? __lock_is_held+0xb5/0x140 [ 509.643717] ? check_same_owner+0x320/0x320 [ 509.648052] ? rcu_note_context_switch+0x710/0x710 [ 509.652984] should_failslab+0x124/0x180 [ 509.657041] __kmalloc_track_caller+0x2c4/0x760 [ 509.661702] ? kasan_check_read+0x11/0x20 [ 509.665838] ? do_raw_spin_unlock+0x9e/0x2e0 [ 509.670234] ? kstrdup_const+0x66/0x80 [ 509.674115] kstrdup+0x39/0x70 [ 509.677298] kstrdup_const+0x66/0x80 [ 509.681007] __kernfs_new_node+0xa8/0x580 [ 509.685151] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 509.689901] ? kasan_check_read+0x11/0x20 [ 509.694039] ? read_word_at_a_time+0x12/0x20 [ 509.698436] ? strscpy+0x170/0x510 [ 509.701966] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 509.707502] kernfs_new_node+0x80/0xf0 [ 509.711384] __kernfs_create_file+0x4d/0x330 [ 509.715785] cgroup_addrm_files+0x437/0xaf0 [ 509.720105] ? cgroup_css.part.14+0x1f0/0x1f0 [ 509.724591] ? __getnstimeofday64+0x3a8/0x500 [ 509.729079] ? getrawmonotonic64+0x4e0/0x4e0 [ 509.733478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.739004] ? kernfs_active+0x128/0x1b0 [ 509.743064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.748587] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 509.753067] ? cgroup_file_name+0x1f0/0x1f0 [ 509.757384] css_populate_dir+0x35f/0x420 [ 509.761527] cgroup_mkdir+0x807/0x10d0 [ 509.765412] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 509.770158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.775686] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 509.780777] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 509.785609] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 509.791138] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 509.796662] ? kernfs_get_active+0xb2/0x120 [ 509.800974] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 509.805718] kernfs_iop_mkdir+0x159/0x1e0 [ 509.809853] ? getname_flags+0xd0/0x5a0 [ 509.813819] vfs_mkdir+0x42e/0x6b0 [ 509.817349] do_mkdirat+0x266/0x2f0 [ 509.820966] ? SyS_mknod+0x40/0x40 [ 509.824497] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 509.829329] ? do_syscall_64+0xb7/0x9d0 [ 509.833291] SyS_mkdir+0x22/0x30 [ 509.836646] ? SyS_mkdirat+0x30/0x30 [ 509.840350] do_syscall_64+0x29e/0x9d0 [ 509.844225] ? vmalloc_sync_all+0x30/0x30 [ 509.848362] ? _raw_spin_unlock_irq+0x27/0x70 [ 509.852847] ? finish_task_switch+0x1ca/0x820 [ 509.857333] ? syscall_return_slowpath+0x5c0/0x5c0 [ 509.862251] ? syscall_return_slowpath+0x30f/0x5c0 [ 509.867174] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 509.872528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 509.877365] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 509.882538] RIP: 0033:0x4552d9 [ 509.885715] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 509.893414] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 509.900670] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 509.907923] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/06 07:06:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/snmp\x00') lseek(r1, 0x200000000000, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'echainiv(authencesn(sha512_mb,ctr(twofish-asm)))\x00'}, 0x58) socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) socket$bt_bnep(0x1f, 0x3, 0x4) setsockopt$ALG_SET_AEAD_AUTHSIZE(r0, 0x117, 0x5, 0x0, 0x0) ioctl$sock_SIOCGIFCONF(r2, 0x8910, &(0x7f0000000040)=@buf={0xba, &(0x7f0000000100)="b092c069be5459e4f288e0a4f110cffa60d34a19ce03b0b4ca924f54411065fc015dd7b43e1582009c01ac976d6ae742f3e2b5d2d94dff6cf06331913b783dce0ebd70b80842af85f304b42aa84424787d3899fb84763a972445b54e9e9bacc2b18023d0a92b1147229c90c652b975d63a34a875db48e41603bc5f4f56e4677cbaf35fa72f966dba56991f1ca839691578de2011309ef3481de944cb00d475ca53abb0db9fe19662b585378c365c4c5edbba57b5799c06544e07"}) 2018/04/06 07:06:03 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x6000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:03 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2000000) [ 509.915176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 509.922431] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000014 [ 509.931482] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 2018/04/06 07:06:03 executing program 3: r0 = socket$inet6(0xa, 0x8000000000000802, 0x0) sendmsg$inet_sctp(r0, &(0x7f0000a29000)={&(0x7f0000fc1fe4)=@in6={0xa, 0x4e22, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f000065b000), 0x0, 0x0, 0xfe7b}, 0x8000) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) unshare(0x80000) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000140)={'bcsf0\x00', 0xffffffff}) ppoll(&(0x7f0000000040)=[{r0}], 0x1, &(0x7f00000000c0)={r1, r2+10000000}, &(0x7f0000000100)={0x200}, 0x8) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000000)=0x2, 0x4) 2018/04/06 07:06:03 executing program 5: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x800, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pwritev(r0, &(0x7f0000000200)=[{&(0x7f0000000040)="ce44e255eeea85cb3e36547bc1143b33f38b1559941d55a3a11323446059f87b25f0bf8815f8", 0x26}, {&(0x7f0000000080)="d14b8b2ed1eadcc88580a0be8f2dc0d3d082594e0bea25481edb87281e037cc287e1752800be9ef2a159d571e41d469c4acc9aa52e08eeb0620b2d68eff0a415b2755ae756aeb7adf5d5697682532246f50e9af942ce6caf553e5ebcc2b8feb8b98b8dcda158354997cdfc783693a3027e3c19d55bdf1d9177fd8774ef12b7e689583a71077e7b54b85d7a39dfc7342a6c7f", 0x92}, {&(0x7f0000000140)="9726ce0e6fac830135cd3ff901e8acc6dbe2285c27f62dc91c70186b4bcb7502cf0a10268fecbe4a3fb1dc7138b1f242952fdb0b3adf6a86adb6948bf8ebe8cee18c7e6a6eb4a49f283599d86f1d93c8e6c26092c9718f9ec4a5ae126159534e020de639eb9dc0a7dcc18891159212390196ee121c3887f834e7cf0a639b5066c80e279122e45526c833749f72c10cbf36578ed5c3d6ac935b8784d048c343fc", 0xa0}], 0x3, 0x0) 2018/04/06 07:06:03 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:03 executing program 4: clock_adjtime(0x74971e1c8834865b, &(0x7f0000000140)) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x400, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000040)={0x3, 0x2, {0xffffffffffffffff, 0x1, 0x7, 0x3, 0x7}}) 2018/04/06 07:06:03 executing program 5: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x4, 0x31, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x80000) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000080)={'bond0\x00', 0x200}) ioctl$KDGKBTYPE(r0, 0x4b33, &(0x7f00000000c0)) futex(&(0x7f0000000ffc), 0x84, 0x0, &(0x7f0000000000)={0xffff, 0x4}, &(0x7f0000000ffc), 0x0) 2018/04/06 07:06:03 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xffffffc0}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:04 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x22c) 2018/04/06 07:06:04 executing program 4: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000000), 0xfffffffffffffff6) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x79, &(0x7f00000000c0)={0x0, 0x2}, 0x8) 2018/04/06 07:06:04 executing program 5: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0x0, 0x0) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x4008700c, &(0x7f0000000000)) 2018/04/06 07:06:04 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x200000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:04 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530c0", 0x0) 2018/04/06 07:06:04 executing program 3: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x800, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(0xffffffffffffff9c, 0x84, 0x14, &(0x7f0000000040)=@assoc_value={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={r1, 0x8, 0x5, 0x3}, &(0x7f0000000100)=0x10) r2 = socket$alg(0x26, 0x5, 0x0) getsockopt$sock_int(r2, 0x1, 0xf, &(0x7f000066effc), &(0x7f0000f2dffc)=0x4) 2018/04/06 07:06:04 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:04 executing program 0 (fault-call:3 fault-nth:21): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:04 executing program 3: r0 = memfd_create(&(0x7f0000002000)="2f7b06003170707031253a656d30f9", 0x0) ioctl$EVIOCGNAME(r0, 0x80404506, &(0x7f0000000000)=""/205) write$evdev(r0, &(0x7f0000001000)=[{{}, 0x0, 0x0, 0xffffffffffff8000}], 0x18) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000140)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r0, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x38, r1, 0xc02, 0x70bd25, 0x25dfdbfb, {0x9}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x10000}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x9}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x20000000) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x4, 0x11, r0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000001000)={{0x77359400}}, &(0x7f0000005000)) 2018/04/06 07:06:04 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x2000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:04 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f000080a000)='/dev/vhost-net\x00', 0x2, 0x0) io_setup(0x7e, &(0x7f0000000280)=0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000200)=0x9) io_submit(r1, 0x1, &(0x7f0000000180)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f00000002c0)="b6b5b5efab7bfafd6afddccc227bf641c8d9478556fda44119717644757709352d757ac4d6db1254b3bc446434e4aa0600000059db2a837300002a789f8ef59fa43223e9c03ccd3cb9be0000000000000000000000", 0x55}]) r2 = syz_open_dev$sg(&(0x7f0000000100)='/dev/sg#\x00', 0x7, 0x4000) ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r2, 0x40405514, &(0x7f0000000140)={0x6, 0x2, 0x9, 0x309f, "9870973d824349d0fa4aff6a755758ec8ecdcd41e32d73469eeed1a7ec4a3b2a77d2a4034ca9be679b38d9df"}) r3 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/qat_adf_ctl\x00', 0x1, 0x0) fsetxattr(r2, &(0x7f00000001c0)=@known='system.posix_acl_access\x00', &(0x7f0000000240)='\\\x00', 0x2, 0x2) getsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$ax25_buf(r3, 0x101, 0xdfad609c2ff2d3c2, &(0x7f0000000100), 0x0) 2018/04/06 07:06:04 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530cd", 0x0) 2018/04/06 07:06:04 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2609000000000000) [ 511.222754] FAULT_INJECTION: forcing a failure. [ 511.222754] name failslab, interval 1, probability 0, space 0, times 0 [ 511.234132] CPU: 1 PID: 28350 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 511.240973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.250311] Call Trace: [ 511.252916] dump_stack+0x1b9/0x29f [ 511.256527] ? arch_local_irq_restore+0x52/0x52 [ 511.261182] should_fail.cold.4+0xa/0x1a [ 511.265223] ? kstrdup_const+0x66/0x80 [ 511.269352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 511.274435] ? kernfs_iop_mkdir+0x159/0x1e0 [ 511.278738] ? do_mkdirat+0x266/0x2f0 [ 511.282519] ? SyS_mkdir+0x22/0x30 [ 511.286043] ? do_syscall_64+0x29e/0x9d0 [ 511.290092] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 511.295454] ? graph_lock+0x170/0x170 [ 511.299245] ? find_held_lock+0x36/0x1c0 [ 511.303285] ? print_usage_bug+0xc0/0xc0 [ 511.307328] ? find_held_lock+0x36/0x1c0 [ 511.311373] ? __lock_is_held+0xb5/0x140 [ 511.315420] ? check_same_owner+0x320/0x320 [ 511.319725] ? rcu_note_context_switch+0x710/0x710 [ 511.324639] ? rcu_read_lock_sched_held+0x108/0x120 [ 511.329640] should_failslab+0x124/0x180 [ 511.333686] kmem_cache_alloc+0x2af/0x760 [ 511.337822] ? memcpy+0x45/0x50 [ 511.341083] ? kstrdup+0x59/0x70 [ 511.344431] __kernfs_new_node+0xe7/0x580 [ 511.348559] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 511.353298] ? kasan_check_read+0x11/0x20 [ 511.357428] ? read_word_at_a_time+0x12/0x20 [ 511.361816] ? strscpy+0x170/0x510 [ 511.365348] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 511.370870] kernfs_new_node+0x80/0xf0 [ 511.374741] __kernfs_create_file+0x4d/0x330 [ 511.379132] cgroup_addrm_files+0x437/0xaf0 [ 511.383453] ? cgroup_css.part.14+0x1f0/0x1f0 [ 511.387939] ? __getnstimeofday64+0x3a8/0x500 [ 511.392416] ? getrawmonotonic64+0x4e0/0x4e0 [ 511.396806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 511.402321] ? kernfs_active+0x128/0x1b0 [ 511.406362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 511.411880] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 511.416355] ? cgroup_file_name+0x1f0/0x1f0 [ 511.420659] css_populate_dir+0x35f/0x420 [ 511.424798] cgroup_mkdir+0x807/0x10d0 [ 511.428668] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 511.433403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 511.438930] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 511.444022] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 511.448848] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 511.454363] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 511.459879] ? kernfs_get_active+0xb2/0x120 [ 511.464180] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 511.468917] kernfs_iop_mkdir+0x159/0x1e0 [ 511.473042] ? getname_flags+0xd0/0x5a0 [ 511.477012] vfs_mkdir+0x42e/0x6b0 [ 511.480542] do_mkdirat+0x266/0x2f0 [ 511.484151] ? SyS_mknod+0x40/0x40 [ 511.487677] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 511.492504] ? do_syscall_64+0xb7/0x9d0 [ 511.496458] SyS_mkdir+0x22/0x30 [ 511.499804] ? SyS_mkdirat+0x30/0x30 [ 511.503495] do_syscall_64+0x29e/0x9d0 [ 511.507360] ? vmalloc_sync_all+0x30/0x30 [ 511.511486] ? _raw_spin_unlock_irq+0x27/0x70 [ 511.515962] ? finish_task_switch+0x1ca/0x820 [ 511.520438] ? syscall_return_slowpath+0x5c0/0x5c0 [ 511.525357] ? syscall_return_slowpath+0x30f/0x5c0 [ 511.530271] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 511.535630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 511.540467] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 511.545636] RIP: 0033:0x4552d9 [ 511.548803] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 511.556488] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 511.563735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 511.571012] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 511.578272] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 511.585521] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000015 [ 511.592992] cgroup: cgroup_addrm_files: failed to add cgroup.max.depth, err=-12 2018/04/06 07:06:05 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x2900}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:05 executing program 3: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x100, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000040)={r0, &(0x7f00000000c0)="ff503a1515e2260e359ce61d8d84e37b893a745427eff304b2b95750fe61acb4683647063451ec4853f15c54772a8b25eafcb6b28e4696cfd6c1b7c67418ab73e46307d83f1265a6cc69fa0d31bc4fbef8752a2ed9ee3c13353e95e15b3c4d512eadcc65", &(0x7f0000000140)="317d9b62086c4d5c77a3faf9e324443b6e5c3156fd64bb2d5eb8477541ef879b02e356ceaa609c13f2d2ae37d6a6c5bd041094efe5839fb962d994796ce945e62c7b8f510085392c278552f02ef2c64bf38f30382e9bc276f2a623907c6526b0d0bf"}, 0x20) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000480)={0x1, {{0xa, 0x4e21, 0x8, @mcast1={0xff, 0x1, [], 0x1}, 0x5}}}, 0x88) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r0, 0x800448d2, &(0x7f0000000440)={0x4, &(0x7f00000001c0)=[{}, {}, {}, {}]}) fcntl$getown(r0, 0x9) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000c47fec)={0x6, 0x4, 0x84, 0xf}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r1, &(0x7f0000000140), &(0x7f0000000040), 0x3}, 0x20) 2018/04/06 07:06:05 executing program 5: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400000, 0x0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000240)={0x0, 0xfffffffffffffff7, 0x2, [0x80000001, 0x101]}, &(0x7f0000000280)=0xc) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000040)={0x3, 0xa, 0x7ff, 0x20, r1}, &(0x7f0000000200)=0x10) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f00000000c0)={r2, @in6={{0xa, 0x4e23, 0x8000, @mcast1={0xff, 0x1, [], 0x1}, 0x1c}}}, 0x84) r3 = getpgid(0x0) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f00000001c0)=@req3={0x8001, 0xfffffffffffffffd, 0x7, 0x100000001, 0x5, 0x9, 0x8}, 0x1c) ioctl$sock_SIOCSPGRP(r0, 0x8902, &(0x7f0000000180)=r3) r4 = semget(0x2, 0x4, 0x20) semctl$IPC_RMID(r4, 0x0, 0x0) ioctl$EVIOCSFF(r0, 0x40304580, &(0x7f0000000080)={0x0, 0xf6, 0x6, {0x100, 0x1}, {0x3, 0x1}, @rumble={0x10000, 0x100}}) 2018/04/06 07:06:05 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530c6", 0x0) 2018/04/06 07:06:05 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3309) 2018/04/06 07:06:05 executing program 0 (fault-call:3 fault-nth:22): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:05 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(aes-fixed-time)\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0x4, 0xc0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab27191a01002356ba602dff05000b", 0x10) sendmmsg$alg(r1, &(0x7f0000000000)=[{0x0, 0x0, &(0x7f0000002980)=[{&(0x7f0000000700)="b6ed95a221e73dfcaca2d1f5aa9ee29a67d2aa4c5da49f2cb5a8923ffd3df771504ee5295ea26ffee71f1a943878a518edce7c75a3e8c19d8312d0a8d244b963375ba3dca667ea566776acd0255db986688071ee059336b31f5710b8465707270f", 0x61}], 0x1, &(0x7f0000000140)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmsg(r1, &(0x7f00000003c0)={&(0x7f0000000240)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4}}}, 0x80, &(0x7f00000001c0)=[{&(0x7f00000002c0)=""/92, 0x5c}, {&(0x7f0000001700)=""/4096, 0x1000}], 0x2, &(0x7f0000000340)=""/80, 0x50}, 0x0) r3 = mmap$binder(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x4, 0x1030, r2, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000000180)={0xc, 0x0, &(0x7f0000000100)=[@free_buffer={0x40086303, r3}], 0xf8, 0x0, &(0x7f0000000400)="bc66c35767a3d79eb726e63b59b1d83279d3516c346c744cbd7793aef27e2b15bfef0d57a10dff0cceca0bf3d69f0900b997663f4f666c732b14d1823c0ae98f8481487260279b692cf9a1a1905f463a2b25a266a75cd2caec3ce06d9c0dc3f370e19a8f8883b9b161530207a0ab6a7ad32d844977ac0804e97aa7abb80cb7a77a6ffe2f78e531bda6dbda516379fd3ac867ce1e49a9f1b4696287c327cd7fe2c3a49ca93120506dc3b593a6cfb0bcd3ebf9a322de03478b5783e954a79cc9bfcfb06164c9e8a0892a9c68601c8f2662de2a005101f55ae4f064f243df5df98890fa51df8e6051a40c38472e4f4ba57cb271048b7da31006"}) 2018/04/06 07:06:05 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:05 executing program 5: r0 = perf_event_open(&(0x7f0000014f88)={0x1, 0x70, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99c, 0x0, 0x0, 0x20000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f0000a1cff8)='./file0\x00', 0x8040, 0x0) ioctl$EVIOCGUNIQ(r1, 0x80404508, &(0x7f0000000440)=""/251) fcntl$setlease(0xffffffffffffffff, 0x400, 0x0) truncate(&(0x7f0000000100)='./file0\x00', 0x0) setns(r0, 0x48000000) r2 = perf_event_open(&(0x7f0000014f88)={0x1, 0x78, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_TSC_KHZ(r1, 0xaea2, 0x797) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f00000002c0), &(0x7f0000000300)=0x4) r3 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x0, 0x88000) ioctl$EVIOCGPROP(r3, 0x80404509, &(0x7f0000000080)=""/48) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r3, 0xc10c5541, &(0x7f00000000c0)={0xe3, 0x1, 0x100000000, 0x0, 0x0, [], [], [], 0x0, 0x8}) dup2(r2, r0) ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f0000000200)={'bcsf0\x00', {0x2, 0x4e24, @local={0xac, 0x14, 0x14, 0xaa}}}) getsockopt$IP_VS_SO_GET_DAEMON(r1, 0x0, 0x487, &(0x7f0000000240), &(0x7f0000000280)=0x30) 2018/04/06 07:06:05 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:05 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000000)=@nat={'nat\x00', 0x19, 0x3, 0x368, [0x200005c0, 0x0, 0x0, 0x200005f0, 0x20000738], 0x0, &(0x7f0000000100), &(0x7f00000005c0)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000feffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff01000000110000000000000000006e7230000000000000000000000000006772657461703000000000000000000074756e6c30000000000000000000000073797a6b616c6c657230000000000000ffffffffffff000000000000aaaaaaaaaaaa004b000000000000e0000000e000000018010000737461746973746963000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000006367726f75700000000000000000000000000000000000000000000000000000080000000000000000000000000000006172707265706c790000000000000000000000000000000000000000000000001000000000000000aaaaaaaaaabb0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000feffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000001000000ffffffff020000000900000000000000000064756d6d79300000000000000000000062707130fb0000000000000000000000697036746e6c3000000000000000000073697430000000000000000000000000ffffffffffff000000000000aaaaaaaaaaaa00000000000000007000000070000000a00000007265646972656374000000000000000000000000000000000000000000000000080000000000000000000000000000000900000000000000000062726964676530000000000000000000697036746e6c3000000000000000000062637368300000000000000000000000766c616e300000000000000000000000000000000000000000000000ffffffffffff0000000000000000c0000000c0000000f000000069707673000000000000000000000000000000000000000000000000000000002800000000000000ac1414aa000000000000000000000000000000000000000000000000000000000000000000000000415544495400000000000000000000000000000000000000000000000000000008000000000000000000000000000000"]}, 0x3e0) listxattr(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)=""/255, 0xff) 2018/04/06 07:06:05 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfc}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:05 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xfffffff6) 2018/04/06 07:06:05 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x800000018, &(0x7f0000d01000)=0x7ff, 0x28a) sendto$inet6(r0, &(0x7f00008d1000), 0x254, 0x4c080, &(0x7f00005fa000)={0xa, 0x2}, 0x1c) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000e16ff0)={0x1, &(0x7f0000683ff0)=[{0x6, 0x0, 0x0, 0x820}]}, 0x10) sendmsg(r0, &(0x7f0000610fc8)={0x0, 0x0, &(0x7f00009f8000)=[{&(0x7f0000554000)="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", 0x59d}], 0x1, &(0x7f0000864bb8)}, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffff9c, 0x89e2, &(0x7f0000000000)={r0}) ioctl$sock_bt_bnep_BNEPCONNADD(r2, 0x400442c8, &(0x7f0000000040)={r1, 0x6, 0x7fffffff, "c1391d2c5a1131c5ee382823292b881ddfefe66906da946e0b1e9f44426968d03310d50d4a67aa5a1b6a77a9f505320c1e39bbcf193f34342729924a13c30b9be7bbd08eb7ff203c0f277a24e77eb76a8f6bdc4596bdac3065ce9159b6a4748be83620b4"}) 2018/04/06 07:06:05 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0xfc00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:05 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:06 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x80ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 512.217635] x_tables: eb_tables: cgroup match: used from hooks OUTPUT, but only valid from INPUT/OUTPUT/POSTROUTING [ 512.294621] x_tables: eb_tables: cgroup match: used from hooks OUTPUT, but only valid from INPUT/OUTPUT/POSTROUTING [ 512.373751] FAULT_INJECTION: forcing a failure. [ 512.373751] name failslab, interval 1, probability 0, space 0, times 0 [ 512.385163] CPU: 0 PID: 28418 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 512.392000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 512.401350] Call Trace: [ 512.403939] dump_stack+0x1b9/0x29f [ 512.407549] ? arch_local_irq_restore+0x52/0x52 [ 512.412213] ? radix_tree_clear_tags+0xc0/0xc0 [ 512.416796] should_fail.cold.4+0xa/0x1a [ 512.420851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 512.425941] ? __might_sleep+0x95/0x190 [ 512.429898] ? graph_lock+0x170/0x170 [ 512.433679] ? __mutex_lock+0x7d9/0x17f0 [ 512.437724] ? kasan_kmalloc+0xc4/0xe0 [ 512.441594] ? kasan_slab_alloc+0x12/0x20 [ 512.445724] ? kmem_cache_alloc+0x12e/0x760 [ 512.450048] ? find_held_lock+0x36/0x1c0 [ 512.454118] ? __lock_is_held+0xb5/0x140 [ 512.458173] ? check_same_owner+0x320/0x320 [ 512.462482] ? rcu_note_context_switch+0x710/0x710 [ 512.467397] should_failslab+0x124/0x180 [ 512.471443] __kmalloc_track_caller+0x2c4/0x760 [ 512.476095] ? kasan_check_read+0x11/0x20 [ 512.480244] ? do_raw_spin_unlock+0x9e/0x2e0 [ 512.484646] ? kstrdup_const+0x66/0x80 [ 512.488524] kstrdup+0x39/0x70 [ 512.491699] kstrdup_const+0x66/0x80 [ 512.495397] __kernfs_new_node+0xa8/0x580 [ 512.499530] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 512.504276] ? kasan_check_read+0x11/0x20 [ 512.508414] ? read_word_at_a_time+0x12/0x20 [ 512.512802] ? strscpy+0x170/0x510 [ 512.516325] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 512.521848] kernfs_new_node+0x80/0xf0 [ 512.525719] __kernfs_create_file+0x4d/0x330 [ 512.530111] cgroup_addrm_files+0x437/0xaf0 [ 512.534416] ? cgroup_css.part.14+0x1f0/0x1f0 [ 512.538893] ? __getnstimeofday64+0x3a8/0x500 [ 512.543369] ? getrawmonotonic64+0x4e0/0x4e0 [ 512.547759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 512.553275] ? kernfs_active+0x128/0x1b0 [ 512.557317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 512.562835] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 512.567318] ? cgroup_file_name+0x1f0/0x1f0 [ 512.571621] css_populate_dir+0x35f/0x420 [ 512.575749] cgroup_mkdir+0x807/0x10d0 [ 512.579618] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 512.584356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 512.589873] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 512.594957] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 512.599785] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 512.605304] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 512.610824] ? kernfs_get_active+0xb2/0x120 [ 512.615138] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 512.619887] kernfs_iop_mkdir+0x159/0x1e0 [ 512.624018] ? getname_flags+0xd0/0x5a0 [ 512.627984] vfs_mkdir+0x42e/0x6b0 [ 512.631516] do_mkdirat+0x266/0x2f0 [ 512.635124] ? SyS_mknod+0x40/0x40 [ 512.638648] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 512.643471] ? do_syscall_64+0xb7/0x9d0 [ 512.647429] SyS_mkdir+0x22/0x30 [ 512.650773] ? SyS_mkdirat+0x30/0x30 [ 512.654468] do_syscall_64+0x29e/0x9d0 [ 512.658336] ? vmalloc_sync_all+0x30/0x30 [ 512.662475] ? finish_task_switch+0x1ca/0x820 [ 512.666954] ? syscall_return_slowpath+0x5c0/0x5c0 [ 512.671879] ? syscall_return_slowpath+0x30f/0x5c0 [ 512.676795] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 512.682156] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 512.686991] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 512.692162] RIP: 0033:0x4552d9 [ 512.695348] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 512.703041] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 512.710289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 512.717539] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 512.724789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 512.732040] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000016 [ 512.739649] cgroup: cgroup_addrm_files: failed to add cgroup.stat, err=-12 2018/04/06 07:06:06 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2f09) 2018/04/06 07:06:06 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x3000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:06 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:06 executing program 3: r0 = socket$nl_xfrm(0x11, 0x3, 0x6) ioctl$sock_SIOCGIFINDEX(r0, 0x8914, &(0x7f0000000000)={"6c6f3a0100"}) getgid() 2018/04/06 07:06:06 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100, 0x0, @perf_bp={&(0x7f000031f000)}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe37}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000000)={0x1, 0x3, &(0x7f0000002000)=@framed={{0x18}, [], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0x3, 0xc3, &(0x7f0000386000)=""/195}, 0x48) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, &(0x7f0000000100)=r0, 0xfffffc61) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000011fd4)={0x3, 0x4, 0x4, 0x1, 0x0, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000200)={r1, &(0x7f0000000040), &(0x7f0000000100)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000300)={r1, &(0x7f0000000240), &(0x7f0000000280)=""/71}, 0x18) 2018/04/06 07:06:06 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:06 executing program 5: clone(0x0, &(0x7f0000000140), &(0x7f0000000080), &(0x7f0000000ffc), &(0x7f00000001c0)) 2018/04/06 07:06:06 executing program 0 (fault-call:3 fault-nth:23): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:06 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:06 executing program 3: 2018/04/06 07:06:06 executing program 5: 2018/04/06 07:06:06 executing program 4: 2018/04/06 07:06:06 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:06 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x4803000000000000) 2018/04/06 07:06:06 executing program 3: 2018/04/06 07:06:06 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 513.161369] FAULT_INJECTION: forcing a failure. [ 513.161369] name failslab, interval 1, probability 0, space 0, times 0 [ 513.172792] CPU: 1 PID: 28460 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 513.179637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 513.188986] Call Trace: [ 513.191576] dump_stack+0x1b9/0x29f [ 513.195192] ? arch_local_irq_restore+0x52/0x52 [ 513.199844] should_fail.cold.4+0xa/0x1a [ 513.203885] ? kstrdup_const+0x66/0x80 [ 513.207753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 513.212837] ? kernfs_iop_mkdir+0x159/0x1e0 [ 513.217139] ? do_mkdirat+0x266/0x2f0 [ 513.220924] ? SyS_mkdir+0x22/0x30 [ 513.224454] ? do_syscall_64+0x29e/0x9d0 [ 513.228496] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 513.233844] ? graph_lock+0x170/0x170 [ 513.237623] ? find_held_lock+0x36/0x1c0 [ 513.241672] ? print_usage_bug+0xc0/0xc0 [ 513.245715] ? find_held_lock+0x36/0x1c0 [ 513.249762] ? __lock_is_held+0xb5/0x140 [ 513.253811] ? check_same_owner+0x320/0x320 [ 513.258116] ? rcu_note_context_switch+0x710/0x710 [ 513.263035] ? rcu_read_lock_sched_held+0x108/0x120 [ 513.268043] should_failslab+0x124/0x180 [ 513.272102] kmem_cache_alloc+0x2af/0x760 [ 513.276239] ? memcpy+0x45/0x50 [ 513.279498] ? kstrdup+0x59/0x70 [ 513.282847] __kernfs_new_node+0xe7/0x580 [ 513.286975] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 513.291715] ? kasan_check_read+0x11/0x20 [ 513.295846] ? read_word_at_a_time+0x12/0x20 [ 513.300232] ? strscpy+0x170/0x510 [ 513.303752] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 513.309280] kernfs_new_node+0x80/0xf0 [ 513.313150] __kernfs_create_file+0x4d/0x330 [ 513.317546] cgroup_addrm_files+0x437/0xaf0 [ 513.321849] ? cgroup_css.part.14+0x1f0/0x1f0 [ 513.326322] ? __getnstimeofday64+0x3a8/0x500 [ 513.330799] ? getrawmonotonic64+0x4e0/0x4e0 [ 513.335205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 513.340734] ? kernfs_active+0x128/0x1b0 [ 513.344774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 513.350290] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 513.354773] ? cgroup_file_name+0x1f0/0x1f0 [ 513.359077] css_populate_dir+0x35f/0x420 [ 513.363212] cgroup_mkdir+0x807/0x10d0 [ 513.367082] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 513.371817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 513.377334] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 513.382418] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 513.387240] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 513.392756] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 513.399055] ? kernfs_get_active+0xb2/0x120 [ 513.403356] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 513.408094] kernfs_iop_mkdir+0x159/0x1e0 [ 513.412224] ? getname_flags+0xd0/0x5a0 [ 513.416182] vfs_mkdir+0x42e/0x6b0 [ 513.419714] do_mkdirat+0x266/0x2f0 [ 513.423327] ? SyS_mknod+0x40/0x40 [ 513.426859] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 513.431682] ? do_syscall_64+0xb7/0x9d0 [ 513.435638] SyS_mkdir+0x22/0x30 [ 513.438982] ? SyS_mkdirat+0x30/0x30 [ 513.442676] do_syscall_64+0x29e/0x9d0 [ 513.446546] ? vmalloc_sync_all+0x30/0x30 [ 513.450674] ? _raw_spin_unlock_irq+0x27/0x70 [ 513.455161] ? finish_task_switch+0x1ca/0x820 [ 513.459637] ? syscall_return_slowpath+0x5c0/0x5c0 [ 513.464560] ? syscall_return_slowpath+0x30f/0x5c0 [ 513.469482] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 513.474827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 513.479654] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 513.484823] RIP: 0033:0x4552d9 [ 513.487993] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 513.495687] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 513.502936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 513.510186] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 513.517443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 513.524695] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000017 [ 513.532129] cgroup: cgroup_addrm_files: failed to add cgroup.stat, err=-12 2018/04/06 07:06:07 executing program 4: 2018/04/06 07:06:07 executing program 5: 2018/04/06 07:06:07 executing program 3: 2018/04/06 07:06:07 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:07 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x7e020000) 2018/04/06 07:06:07 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xffffffc0}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:07 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:07 executing program 0 (fault-call:3 fault-nth:24): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000080)="29000000200019fff63d0014000000060200000315de0005100000040d000a000000000000f9000008", 0x29}], 0x1) 2018/04/06 07:06:07 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000237fee)='/dev/input/event#\x00', 0x2, 0x28001) write$evdev(r0, &(0x7f0000a16000)=[{{}, 0x1, 0x47}, {}], 0x30) 2018/04/06 07:06:07 executing program 3: r0 = open$dir(&(0x7f00000001c0)='./file0\x00', 0x1fffe, 0x0) r1 = open$dir(&(0x7f0000000500)='./file0\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)="d88a8d3814", 0x5) sendfile(r1, r1, &(0x7f0000000040), 0x7527fb3200000000) sendfile(r1, r0, &(0x7f0000000180), 0x12000) [ 513.849930] FAULT_INJECTION: forcing a failure. [ 513.849930] name failslab, interval 1, probability 0, space 0, times 0 [ 513.861275] CPU: 1 PID: 28479 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 513.865836] netlink: 'syz-executor5': attribute type 10 has an invalid length. [ 513.868132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 513.868139] Call Trace: [ 513.868162] dump_stack+0x1b9/0x29f [ 513.868183] ? arch_local_irq_restore+0x52/0x52 [ 513.895742] should_fail.cold.4+0xa/0x1a [ 513.899819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 513.904937] ? __might_sleep+0x95/0x190 [ 513.908930] ? graph_lock+0x170/0x170 [ 513.912734] ? __mutex_lock+0x7d9/0x17f0 [ 513.916808] ? find_held_lock+0x36/0x1c0 [ 513.920885] ? __lock_is_held+0xb5/0x140 [ 513.924967] ? check_same_owner+0x320/0x320 [ 513.929298] ? rcu_note_context_switch+0x710/0x710 [ 513.934245] should_failslab+0x124/0x180 [ 513.938318] __kmalloc_track_caller+0x2c4/0x760 [ 513.942996] ? kasan_check_read+0x11/0x20 [ 513.947152] ? do_raw_spin_unlock+0x9e/0x2e0 [ 513.951571] ? kstrdup_const+0x66/0x80 [ 513.955469] kstrdup+0x39/0x70 [ 513.958671] kstrdup_const+0x66/0x80 [ 513.962397] __kernfs_new_node+0xa8/0x580 [ 513.966557] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 513.971326] ? kasan_check_read+0x11/0x20 [ 513.975476] ? read_word_at_a_time+0x12/0x20 [ 513.979890] ? strscpy+0x170/0x510 [ 513.983434] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 513.988984] kernfs_new_node+0x80/0xf0 [ 513.992878] __kernfs_create_file+0x4d/0x330 [ 513.997297] cgroup_addrm_files+0x437/0xaf0 [ 514.001633] ? cgroup_css.part.14+0x1f0/0x1f0 [ 514.006130] ? __getnstimeofday64+0x3a8/0x500 [ 514.010631] ? getrawmonotonic64+0x4e0/0x4e0 [ 514.015048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 514.020587] ? kernfs_active+0x128/0x1b0 [ 514.024654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 514.030191] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 514.034692] ? cgroup_file_name+0x1f0/0x1f0 [ 514.039060] css_populate_dir+0x35f/0x420 [ 514.043216] cgroup_mkdir+0x807/0x10d0 [ 514.047116] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 514.051875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 514.057413] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 514.062522] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 514.067368] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 514.072908] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 514.078448] ? kernfs_get_active+0xb2/0x120 [ 514.082771] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 514.087533] kernfs_iop_mkdir+0x159/0x1e0 [ 514.091682] ? getname_flags+0xd0/0x5a0 [ 514.095662] vfs_mkdir+0x42e/0x6b0 [ 514.099209] do_mkdirat+0x266/0x2f0 [ 514.102839] ? SyS_mknod+0x40/0x40 [ 514.106383] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 514.111229] ? do_syscall_64+0xb7/0x9d0 [ 514.115208] SyS_mkdir+0x22/0x30 [ 514.118574] ? SyS_mkdirat+0x30/0x30 [ 514.122291] do_syscall_64+0x29e/0x9d0 [ 514.126179] ? vmalloc_sync_all+0x30/0x30 [ 514.130331] ? _raw_spin_unlock_irq+0x27/0x70 [ 514.134828] ? finish_task_switch+0x1ca/0x820 [ 514.139324] ? syscall_return_slowpath+0x5c0/0x5c0 [ 514.144254] ? syscall_return_slowpath+0x30f/0x5c0 [ 514.149195] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 514.154564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 514.159417] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 514.164609] RIP: 0033:0x4552d9 [ 514.167794] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 514.175504] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 514.182779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 514.190052] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/06 07:06:07 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x40000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:07 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530ff", 0x0) 2018/04/06 07:06:07 executing program 5: [ 514.197321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 514.204587] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000018 [ 514.212119] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/04/06 07:06:08 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x80fe}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:08 executing program 5: 2018/04/06 07:06:08 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x6c02000000000000) 2018/04/06 07:06:08 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)="2e2f6367726f757000361a6f74a1b774b8642f3dfdd313d92946ff0167415d8dc22791dcd496520c1c99f4b07d3b2a11090000000229210b73abdcd2986fc290ac9b6ace278586d39949a54fb276eb1fd3964b0cad27e417b33abb8d3b00e64e75e4dff47de27536dccdde5fc746b04faafcec347560a31b3a35a5f20bc949d75cbb763987", 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000100)='cgroup.threads\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000040), 0x1) 2018/04/06 07:06:08 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:08 executing program 0 (fault-call:3 fault-nth:25): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:08 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:08 executing program 3: getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000001500), &(0x7f0000001540)=0x10) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000b9bff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000080)='dctcp\x00', 0x6) sendto$inet(r0, &(0x7f0000fa0fff), 0xffffffffffffffbb, 0x20020003, &(0x7f0000385ff0)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000140)='yeah\x00', 0x5) socket$inet6_udp(0xa, 0x2, 0x0) shutdown(r0, 0x1) 2018/04/06 07:06:08 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000000)=""/246) setsockopt$bt_BT_CHANNEL_POLICY(r0, 0x112, 0xa, &(0x7f0000000100)=0x7, 0x4) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000cf1ffc)=0x600210) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) socketpair(0x1a, 0x80e, 0x3, &(0x7f0000000240)) ppoll(&(0x7f0000000140)=[{r0}], 0x1, &(0x7f00000001c0)={0x0, r1+10000000}, &(0x7f0000000200), 0x8) pwritev(r0, &(0x7f0000ed8f70)=[{&(0x7f00007d7f41)='k', 0x1}], 0x1, 0x0) 2018/04/06 07:06:08 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) 2018/04/06 07:06:08 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x80ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:08 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0x0, 0x0}) setsockopt$sock_attach_bpf(r1, 0x1, 0x22, &(0x7f0000000100), 0x4) recvmsg(r1, &(0x7f0000003800)={&(0x7f0000003600)=@hci, 0x80, &(0x7f0000003780), 0x0, &(0x7f00000037c0)=""/44, 0x2c}, 0x0) sendmsg(r0, &(0x7f0000003a80)={&(0x7f0000003840)=@can={0x1d}, 0x80, &(0x7f0000003940), 0x0, &(0x7f0000003980)}, 0x0) 2018/04/06 07:06:08 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3d09000000000000) 2018/04/06 07:06:08 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:08 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 515.126725] FAULT_INJECTION: forcing a failure. [ 515.126725] name failslab, interval 1, probability 0, space 0, times 0 [ 515.138067] CPU: 1 PID: 28530 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 515.144912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 515.154265] Call Trace: [ 515.156862] dump_stack+0x1b9/0x29f [ 515.160503] ? arch_local_irq_restore+0x52/0x52 [ 515.165191] should_fail.cold.4+0xa/0x1a [ 515.169259] ? kstrdup_const+0x66/0x80 [ 515.173160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 515.178271] ? kernfs_iop_mkdir+0x159/0x1e0 [ 515.182590] ? do_mkdirat+0x266/0x2f0 [ 515.186375] ? SyS_mkdir+0x22/0x30 [ 515.189903] ? do_syscall_64+0x29e/0x9d0 [ 515.193950] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 515.199299] ? graph_lock+0x170/0x170 [ 515.203084] ? find_held_lock+0x36/0x1c0 [ 515.207129] ? print_usage_bug+0xc0/0xc0 [ 515.211179] ? find_held_lock+0x36/0x1c0 [ 515.215228] ? __lock_is_held+0xb5/0x140 [ 515.219282] ? check_same_owner+0x320/0x320 [ 515.223590] ? rcu_note_context_switch+0x710/0x710 [ 515.228501] ? rcu_read_lock_sched_held+0x108/0x120 [ 515.233506] should_failslab+0x124/0x180 [ 515.237554] kmem_cache_alloc+0x2af/0x760 [ 515.241685] ? memcpy+0x45/0x50 [ 515.244949] ? kstrdup+0x59/0x70 [ 515.248306] __kernfs_new_node+0xe7/0x580 [ 515.252442] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 515.257182] ? kasan_check_read+0x11/0x20 [ 515.261317] ? read_word_at_a_time+0x12/0x20 [ 515.265708] ? strscpy+0x170/0x510 [ 515.269231] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 515.274756] kernfs_new_node+0x80/0xf0 [ 515.278633] __kernfs_create_file+0x4d/0x330 [ 515.283032] cgroup_addrm_files+0x437/0xaf0 [ 515.287342] ? cgroup_css.part.14+0x1f0/0x1f0 [ 515.291822] ? __getnstimeofday64+0x3a8/0x500 [ 515.296300] ? getrawmonotonic64+0x4e0/0x4e0 [ 515.300696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 515.306214] ? kernfs_active+0x128/0x1b0 [ 515.310262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 515.315780] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 515.320256] ? cgroup_file_name+0x1f0/0x1f0 [ 515.324563] css_populate_dir+0x35f/0x420 [ 515.328698] cgroup_mkdir+0x807/0x10d0 [ 515.332574] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 515.337313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 515.342830] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 515.347919] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 515.352743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 515.358264] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 515.363784] ? kernfs_get_active+0xb2/0x120 [ 515.368091] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 515.372830] kernfs_iop_mkdir+0x159/0x1e0 [ 515.376959] ? getname_flags+0xd0/0x5a0 [ 515.380917] vfs_mkdir+0x42e/0x6b0 [ 515.384440] do_mkdirat+0x266/0x2f0 [ 515.388053] ? SyS_mknod+0x40/0x40 [ 515.391577] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 515.396400] ? do_syscall_64+0xb7/0x9d0 [ 515.400356] SyS_mkdir+0x22/0x30 [ 515.403705] ? SyS_mkdirat+0x30/0x30 [ 515.407399] do_syscall_64+0x29e/0x9d0 [ 515.411271] ? vmalloc_sync_all+0x30/0x30 [ 515.415404] ? _raw_spin_unlock_irq+0x27/0x70 [ 515.419888] ? finish_task_switch+0x1ca/0x820 [ 515.424368] ? syscall_return_slowpath+0x5c0/0x5c0 [ 515.429281] ? syscall_return_slowpath+0x30f/0x5c0 [ 515.434195] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 515.439542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 515.444372] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 515.449543] RIP: 0033:0x4552d9 [ 515.452715] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 515.460406] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 515.467658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 515.474910] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 515.482161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 515.489413] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000019 [ 515.496917] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/04/06 07:06:09 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfc00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:09 executing program 4: r0 = socket$vsock_stream(0x28, 0x1, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x40000, 0x0) setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x4) syz_open_dev$evdev(&(0x7f00000000c0)='/dev/input/event#\x00', 0x2, 0x7ffd) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r0, 0x28, 0x1, &(0x7f0000000000), 0x8) getresgid(&(0x7f0000000100), &(0x7f0000000140), &(0x7f0000000180)) 2018/04/06 07:06:09 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x92d) 2018/04/06 07:06:09 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:09 executing program 0 (fault-call:3 fault-nth:26): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:09 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:09 executing program 5: mq_open(&(0x7f0000076000)='.\x00', 0x0, 0x0, &(0x7f0000521fc0)) r0 = creat(&(0x7f0000000000)='./file0\x00', 0x9) ioctl$KVM_SIGNAL_MSI(r0, 0x4020aea5, &(0x7f0000000040)={0x0, 0x100000, 0x2, 0x5, 0x6}) 2018/04/06 07:06:09 executing program 3: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000702000)) getgroups(0x2, &(0x7f0000000040)=[0xffffffffffffffff, 0xffffffffffffffff]) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/sys/net/ipv4/vs/sync_qlen_max\x00', 0x2, 0x0) setsockopt$inet6_MRT6_DEL_MFC(r1, 0x29, 0xcd, &(0x7f00000000c0)={{0xa, 0x4e23, 0x2, @local={0xfe, 0x80, [], 0xaa}, 0x9}, {0xa, 0x4e24, 0x1f, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x80}, 0x4, [0x2, 0xffffffffffffff9c, 0x6, 0x5, 0x3, 0xff, 0x3, 0x3]}, 0x5c) ioctl$TIOCPKT(r1, 0x5420, &(0x7f00000001c0)=0x8) fchmodat(r1, &(0x7f0000000140)='./file0\x00', 0x20) setresgid(0x0, 0x0, r0) 2018/04/06 07:06:09 executing program 4: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f000000efe8)={0xaa}) mprotect(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x1) ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={&(0x7f000000b000/0x3000)=nil, 0x3000}) ioctl$UFFDIO_REGISTER(r0, 0x8010aa02, &(0x7f0000006ffc)={{&(0x7f0000009000/0x4000)=nil, 0x4000}}) 2018/04/06 07:06:09 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfe80}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:09 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:09 executing program 5: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000289000)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000058000)={&(0x7f000023f000)=ANY=[@ANYBLOB="840008000000000000bd7000ffffffff0000fffc0c00000000000000000000005b659a62290ffc380c2dbfdc5e9f13e1a04810d464fbc3b4c1b4e2bf501fb101040000000000004d9f04005e66cd4dd3050bc1700612dbc3080c91745fa158cf0d70309f7f1969136edfd73294c0356675ffff000044f2a432a15b4ce56aa16603000d"], 0x83}, 0x1}, 0x0) r0 = openat(0xffffffffffffffff, &(0x7f0000000240)='./file0\x00', 0x101081, 0x0) getsockopt$IPT_SO_GET_ENTRIES(r0, 0x0, 0x41, &(0x7f0000000280)={'security\x00', 0x1000, "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"}, &(0x7f00000012c0)=0x1024) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000140)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000001500)={0x0, 0x0, 0x0}, &(0x7f0000001300)=0xc) r5 = getegid() getgroups(0x6, &(0x7f0000001340)=[0x0, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0]) getgroups(0x5, &(0x7f0000001380)=[r2, r3, r4, r5, r6]) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r7, 0x6, 0x2000000000000020, &(0x7f000023f000)=0xa, 0x263) r8 = syz_open_dev$sndmidi(&(0x7f00000000c0)='/dev/snd/midiC#D#\x00', 0x2, 0x82800) setsockopt$inet6_tcp_int(r7, 0x6, 0x13, &(0x7f0000000000)=0x1, 0x4) connect$inet6(r7, &(0x7f0000070fe4)={0xa}, 0x1c) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f0000001440)={0xa67d, {{0x2, 0x4e23, @multicast1=0xe0000001}}}, 0x88) sched_getparam(r1, &(0x7f0000001400)) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000013c0)={r8}) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req3={0x20, 0x3ff, 0x1, 0x559f, 0xfffffffeffffffff, 0x5, 0x1}, 0x1c) 2018/04/06 07:06:09 executing program 3: r0 = socket$inet6(0xa, 0x1200000000000002, 0x0) setsockopt$inet6_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000)=0x1, 0x2c0) bind$inet6(r0, &(0x7f0000f5dfe4)={0xa, 0x4e20}, 0x1c) syz_emit_ethernet(0x437, &(0x7f0000000700)=ANY=[@ANYBLOB="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"], &(0x7f0000001780)) 2018/04/06 07:06:09 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2d09000000000000) 2018/04/06 07:06:09 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfc}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:09 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_SIOCADDDLCI(r0, 0x8980, &(0x7f0000000380)={'syz_tun\x00', 0x8001}) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r0, 0x111, 0x3, 0x1, 0x4) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x100000001, 0x200000) sendmsg$rds(r1, &(0x7f00000002c0)={&(0x7f00000000c0)={0x2, 0x4e22, @multicast2=0xe0000002}, 0x10, &(0x7f00000001c0)=[{&(0x7f0000000100)=""/164, 0xa4}], 0x1, &(0x7f0000000200)=[@rdma_dest={0x18, 0x114, 0x2, {0x5, 0x100}}], 0x18, 0x4}, 0x10) ioctl$sock_SIOCADDDLCI(r1, 0x8980, &(0x7f0000000340)={'nr0\x00', 0x20000}) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f00000003c0)=0x7, 0x4) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000240)) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000300)={'gre0\x00', @ifru_data=&(0x7f0000000040)="3b2d03f38e956db60f45335004d2c840daf864dedd53c232e54c8cdd74f1188c"}) 2018/04/06 07:06:10 executing program 3: r0 = socket$inet(0x2b, 0x1, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x200000, 0x1) write$eventfd(r1, &(0x7f0000000040)=0x90a7, 0x8) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0}, &(0x7f0000000100)=0x6) setsockopt$RDS_GET_MR(r1, 0x114, 0x2, &(0x7f00000003c0)={{&(0x7f0000000280)=""/253, 0xfd}, &(0x7f0000000380), 0x1}, 0x20) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000080)={0x0, 0x7, 0x20, 0x9, 0x4}, &(0x7f00000000c0)=0x18) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000180)={r3, @in6={{0xa, 0x4e23, 0x400, @dev={0xfe, 0x80, [], 0xa}, 0x8}}, 0x4, 0xfffffffffffffa56}, &(0x7f0000000240)=0x90) setreuid(r2, 0x0) 2018/04/06 07:06:10 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x2c) r1 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xfffffffeffffffff, 0x40) ioctl$VT_OPENQRY(r1, 0x5600, &(0x7f0000000040)) setsockopt$inet6_int(r0, 0x29, 0x48, &(0x7f0000000140)=0xd3, 0x4) [ 516.324334] FAULT_INJECTION: forcing a failure. [ 516.324334] name failslab, interval 1, probability 0, space 0, times 0 [ 516.335633] CPU: 1 PID: 28603 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 516.342467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 516.351812] Call Trace: [ 516.354385] dump_stack+0x1b9/0x29f [ 516.357998] ? arch_local_irq_restore+0x52/0x52 [ 516.362659] should_fail.cold.4+0xa/0x1a [ 516.366701] ? kstrdup_const+0x66/0x80 [ 516.370569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 516.375653] ? kernfs_iop_mkdir+0x159/0x1e0 [ 516.379956] ? do_mkdirat+0x266/0x2f0 [ 516.383735] ? SyS_mkdir+0x22/0x30 [ 516.387262] ? do_syscall_64+0x29e/0x9d0 [ 516.391308] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 516.396656] ? graph_lock+0x170/0x170 [ 516.400446] ? find_held_lock+0x36/0x1c0 [ 516.404501] ? print_usage_bug+0xc0/0xc0 [ 516.408547] ? find_held_lock+0x36/0x1c0 [ 516.412595] ? __lock_is_held+0xb5/0x140 [ 516.416659] ? check_same_owner+0x320/0x320 [ 516.420966] ? rcu_note_context_switch+0x710/0x710 [ 516.425884] ? rcu_read_lock_sched_held+0x108/0x120 [ 516.430887] should_failslab+0x124/0x180 [ 516.434935] kmem_cache_alloc+0x2af/0x760 [ 516.439071] ? memcpy+0x45/0x50 [ 516.442347] ? kstrdup+0x59/0x70 [ 516.445702] __kernfs_new_node+0xe7/0x580 [ 516.449839] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 516.454581] ? kasan_check_read+0x11/0x20 [ 516.458715] ? read_word_at_a_time+0x12/0x20 [ 516.463110] ? strscpy+0x170/0x510 [ 516.466635] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 516.472162] kernfs_new_node+0x80/0xf0 [ 516.476045] __kernfs_create_file+0x4d/0x330 [ 516.480447] cgroup_addrm_files+0x437/0xaf0 [ 516.484769] ? cgroup_css.part.14+0x1f0/0x1f0 [ 516.489257] ? __getnstimeofday64+0x3a8/0x500 [ 516.494268] ? getrawmonotonic64+0x4e0/0x4e0 [ 516.498660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 516.504183] ? kernfs_active+0x128/0x1b0 [ 516.508314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 516.513843] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 516.518319] ? cgroup_file_name+0x1f0/0x1f0 [ 516.522627] css_populate_dir+0x35f/0x420 [ 516.526759] cgroup_mkdir+0x807/0x10d0 [ 516.530631] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 516.535372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 516.540888] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 516.545978] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 516.550805] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 516.556327] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 516.561849] ? kernfs_get_active+0xb2/0x120 [ 516.566153] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 516.570890] kernfs_iop_mkdir+0x159/0x1e0 [ 516.575029] ? getname_flags+0xd0/0x5a0 [ 516.579349] vfs_mkdir+0x42e/0x6b0 [ 516.582874] do_mkdirat+0x266/0x2f0 [ 516.586485] ? SyS_mknod+0x40/0x40 [ 516.590010] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 516.594843] ? do_syscall_64+0xb7/0x9d0 [ 516.598799] SyS_mkdir+0x22/0x30 [ 516.602156] ? SyS_mkdirat+0x30/0x30 [ 516.605860] do_syscall_64+0x29e/0x9d0 [ 516.609728] ? vmalloc_sync_all+0x30/0x30 [ 516.613860] ? _raw_spin_unlock_irq+0x27/0x70 [ 516.618337] ? finish_task_switch+0x1ca/0x820 [ 516.622815] ? syscall_return_slowpath+0x5c0/0x5c0 [ 516.627740] ? syscall_return_slowpath+0x30f/0x5c0 [ 516.632653] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 516.637999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 516.642845] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 516.648023] RIP: 0033:0x4552d9 [ 516.651202] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 516.658891] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 516.666142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 516.673395] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 516.680656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 516.687904] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001a [ 516.695321] cgroup: cgroup_addrm_files: failed to add cpu.stat, err=-12 2018/04/06 07:06:10 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4000000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:10 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:10 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x26090000) 2018/04/06 07:06:10 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f000095bffc)={0x0, 0x0, 0xfffffffffffffffc}, 0x4) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x1eb) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000100)=@assoc_value, &(0x7f0000000140)=0x8) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendto$inet(r2, &(0x7f0000762fff), 0xfdc7, 0x0, &(0x7f000057bff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) write$binfmt_misc(r0, &(0x7f0000000180)={'syz1', "18e4841cfb4288c38d5588cc1f93d5ee5159c17d3b42de4c2190cc4159f93e66de65ffee18d67af3cc5ea10417a9073da8d703c8b590164c069ce80ed49b1f5422f02ce0cfda06194c332645a3f437a5be913025b21ea384117964576c7f832661792e12377e4bb45bfe5a099c18111c1ee701accd5425bb48b715f6082dbc29333dd131c8c133531aefc721aefdad6294911ac1f1b5ace2d4f445fd96accdac393d7529c0604cb2f18c1dfcc617057611b0e48855edab954e6ae0fd43b210b8c38953f81095203510f56404af0fd357b5d2e9339bf5462e920eda33c25f96152ff76daac3fe"}, 0xea) sendto$inet(r0, &(0x7f0000000280), 0x0, 0x40000, &(0x7f000057bff0)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x215) syz_emit_ethernet(0x1e, &(0x7f00000000c0)=ANY=[@ANYBLOB="2eb5f514c36e5345ed16374edeebb483000000000000aaaaaaaaaaaa88ca"], &(0x7f0000000000)) socketpair(0x8, 0x0, 0x100000002000, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f0000000280)={[{0xfffffffffffffffc, 0xfffffffffffffff8, 0x7, 0x9, 0x3, 0x40, 0x1, 0xf51, 0x9, 0x2, 0x80000001, 0x5, 0x2}, {0x7fffffff, 0x180000000000, 0x6bd826c8, 0x20, 0x7, 0x2, 0x3c74f15d, 0x1, 0x1, 0x2cad, 0x200, 0x400, 0x7}, {0xb34, 0x1, 0x2, 0x7fffffff, 0x223, 0x40, 0x9, 0x94a, 0x10000, 0x3, 0x4, 0x73c, 0x8}], 0x1}) 2018/04/06 07:06:10 executing program 4: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000651ff8)={0x0, 0x1}, 0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f000079efe0)={0x1}, 0x20) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000440)='/dev/vga_arbiter\x00', 0x80, 0x0) ioctl$TIOCPKT(r1, 0x5420, &(0x7f0000000480)=0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f00001a7fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) syz_mount_image$reiserfs(&(0x7f0000000000)='reiserfs\x00', &(0x7f0000000040)='./file0\x00', 0x3, 0x3, &(0x7f0000000380)=[{&(0x7f00000000c0)="434a2d79f5c0d695a4a8fed6ac0f77bd6ad3f662", 0x14, 0x2}, {&(0x7f0000000140)="ae89dc7d4462d70b89dd2f8338e4563bfb7407e1bd433b934b43f1bc72ab045ef1f953a9583b1e8b8f0e421a538410c7fce71d23e94959a2096695cb723a156458bd769e9958f53c99c23f27507baf3f11913c7a69eea5ee136e3c525dc9c7a0b1c59743f3958b40aec826a4d866a87c315d9eebfbad833a9067df8628062f5cf0ddfab0fc80899cf7c167b0f3a408d829a078dd90a226c74b335d43ff9128384692909912f656ec8a16af1c90f929", 0xaf, 0xfffffffffffffffd}, {&(0x7f0000000280)="b45b07cbe7730c61908fe8da32b29daac2c134cb6c44764fcf5dc534910715deba7999683a2faf2a4456dae018a01c6cea632b3f399606c7bb6a0277533710856c27537e4c477496502679944d4a0559425dd81f5c657c7911d3a13fe6a0aa336abe5b23079d1b46e2d4d71a909298762bbe811f3f7c8b2d0036a962904500caf633dd3302035ec1924108783fbfcfa6faaf24add0ebf42de69c16439d96f076c48fbece13159a5238b0355b6665bc287c1b97d710c804c0839b0e90d1a0ae24d2f3da19deea8d92a29f12675ff781b5bd646cd0de7805ac21fd82c3787cdf", 0xdf, 0x3}], 0x400, &(0x7f0000000400)=ANY=[@ANYBLOB]) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000080)={0x0, 0x0, 0x30}, 0xc) sendto$inet6(r0, &(0x7f0000aaff09)="b8", 0x1, 0x0, &(0x7f0000ab0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/06 07:06:10 executing program 5: syz_emit_ethernet(0x7a, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb86dd60f6015b002f110000000000000000000000ff1aad141400fe8000000000000000040000000000aa0420880b0000000000000800000086dd080088be00000000100000000000000000080022e700000000200200000000000000000000000800655800000000000000"], 0x0) 2018/04/06 07:06:10 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:10 executing program 0 (fault-call:3 fault-nth:27): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:10 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x10d000, 0x0) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f0000000040)={0x1, [0x1ff]}, 0x6) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r2, 0xc0045540, &(0x7f0000000080)=0x7fffffff) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_CPUID(r3, 0x4008ae8a, &(0x7f00000002c0)={0x2, 0x0, [{0x1}, {0xa, 0xa4d8a7c}]}) 2018/04/06 07:06:10 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x200000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:10 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x7000000) 2018/04/06 07:06:10 executing program 3: r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='net/netfilter\x00') ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) r2 = socket$inet(0x2b, 0xe, 0x7ffffffc) sendfile(r2, r1, &(0x7f0000000140), 0x1) 2018/04/06 07:06:10 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653002", 0x0) 2018/04/06 07:06:10 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:10 executing program 5: perf_event_open(&(0x7f0000220000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x5, 0x4}, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x3, 0xffffffffffffffff, 0x0) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x4000, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000044ff8)={0xffffffffffffffff, 0xffffffffffffffff}) bind$unix(r1, &(0x7f000055b000)=@file={0x1, './file0\x00'}, 0xa) msgget$private(0x0, 0x0) connect$unix(r2, &(0x7f00003de000)=@file={0x1, './file0\x00'}, 0x6e) accept4$vsock_stream(r0, &(0x7f0000000080)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x800) r3 = getpgid(0x0) r4 = syz_open_procfs(r3, &(0x7f00000000c0)='pagemap\x00') socket$unix(0x1, 0x1, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0xffffffffffffffff, 0x4) fcntl$setlease(r4, 0x400, 0x1) close(r4) 2018/04/06 07:06:10 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x6c02) [ 517.205421] FAULT_INJECTION: forcing a failure. [ 517.205421] name failslab, interval 1, probability 0, space 0, times 0 [ 517.216753] CPU: 1 PID: 28653 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 517.223579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 517.232912] Call Trace: [ 517.235488] dump_stack+0x1b9/0x29f [ 517.239099] ? arch_local_irq_restore+0x52/0x52 [ 517.243760] should_fail.cold.4+0xa/0x1a [ 517.247806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 517.252897] ? kasan_check_write+0x14/0x20 [ 517.257116] ? __mutex_unlock_slowpath+0x180/0x8a0 [ 517.262031] ? kasan_check_write+0x14/0x20 [ 517.266250] ? graph_lock+0x170/0x170 [ 517.270042] ? wait_for_completion+0x870/0x870 [ 517.274610] ? find_held_lock+0x36/0x1c0 [ 517.278657] ? __lock_is_held+0xb5/0x140 [ 517.282710] ? check_same_owner+0x320/0x320 [ 517.287025] ? rcu_note_context_switch+0x710/0x710 [ 517.291944] should_failslab+0x124/0x180 [ 517.295994] kmem_cache_alloc+0x2af/0x760 [ 517.300131] ? __lock_is_held+0xb5/0x140 [ 517.304181] sched_create_group+0x22/0x70 [ 517.308312] cpu_cgroup_css_alloc+0xe/0x30 [ 517.312533] cgroup_apply_control_enable+0x52d/0xce0 [ 517.317625] ? cgroup_propagate_control+0x5a0/0x5a0 [ 517.322629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 517.328147] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 517.332625] ? cgroup_file_name+0x1f0/0x1f0 [ 517.336935] ? css_populate_dir+0x2a2/0x420 [ 517.341243] cgroup_mkdir+0x825/0x10d0 [ 517.345118] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 517.349866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 517.355386] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 517.360475] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 517.365303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 517.370825] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 517.376347] ? kernfs_get_active+0xb2/0x120 [ 517.380655] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 517.385396] kernfs_iop_mkdir+0x159/0x1e0 [ 517.389530] ? getname_flags+0xd0/0x5a0 [ 517.393490] vfs_mkdir+0x42e/0x6b0 [ 517.397019] do_mkdirat+0x266/0x2f0 [ 517.400632] ? SyS_mknod+0x40/0x40 [ 517.404158] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 517.408983] ? do_syscall_64+0xb7/0x9d0 [ 517.412942] SyS_mkdir+0x22/0x30 [ 517.416290] ? SyS_mkdirat+0x30/0x30 [ 517.419988] do_syscall_64+0x29e/0x9d0 [ 517.423859] ? vmalloc_sync_all+0x30/0x30 [ 517.427992] ? _raw_spin_unlock_irq+0x27/0x70 [ 517.432472] ? finish_task_switch+0x1ca/0x820 [ 517.436950] ? syscall_return_slowpath+0x5c0/0x5c0 [ 517.441862] ? syscall_return_slowpath+0x30f/0x5c0 [ 517.446775] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 517.452123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 517.456952] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 517.462120] RIP: 0033:0x4552d9 [ 517.465291] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 517.472983] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 517.480233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 517.487483] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 517.494736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 517.501990] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001b 2018/04/06 07:06:11 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530d0", 0x0) 2018/04/06 07:06:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x3, 0x2000) r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x1, 0x800) ioctl$DRM_IOCTL_WAIT_VBLANK(r1, 0xc018643a, &(0x7f0000000180)={0x20000000, 0x10000, 0x39}) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f0000000080)={0x5, &(0x7f0000000040)=[{}, {}, {0x0}, {}, {}]}) ioctl$DRM_IOCTL_SWITCH_CTX(r1, 0x40086424, &(0x7f0000000100)={r2, 0xa322fac1f7fa727}) ioctl$DRM_IOCTL_RM_MAP(r1, 0x4028641b, &(0x7f0000000140)={&(0x7f0000ffd000/0x1000)=nil, 0xb1ee, 0x0, 0x80, &(0x7f0000ffd000/0x1000)=nil, 0xffff}) ioctl(r0, 0x4400000000001263, &(0x7f0000000040)) 2018/04/06 07:06:11 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2900000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:11 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00005e1fa8)={0x26, 'hash\x00', 0x0, 0x0, 'crc32-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000cdfffc), 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) r2 = syz_open_dev$sndpcmc(&(0x7f0000000240)='/dev/snd/pcmC#D#c\x00', 0x4, 0x240000) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000100)={0x3, &(0x7f00000000c0)=[{}, {}, {0x0}]}) ioctl$DRM_IOCTL_GET_CTX(r2, 0xc0086423, &(0x7f0000000200)={r3, 0x1}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'bpq0\x00', 0x0}) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000000180)={@mcast2={0xff, 0x2, [], 0x1}, @dev={0xfe, 0x80, [], 0x17}, @empty, 0x7f, 0x100000000, 0x5, 0x400, 0x65b, 0x1820008, r4}) r5 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x214002, 0x0) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f0000000040)=0x1, 0x4) ioctl$TCFLSH(r5, 0x540b, 0x3) 2018/04/06 07:06:11 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3) 2018/04/06 07:06:11 executing program 0 (fault-call:3 fault-nth:28): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:11 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00001b3000)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_LOG_BASE(r0, 0xaf01, &(0x7f0000307000)=&(0x7f0000989fff)) ioctl$VHOST_GET_VRING_ENDIAN(0xffffffffffffffff, 0x4008af14, &(0x7f0000000000)) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000380)) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f00000000c0)={{{@in6=@mcast2, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in=@broadcast}}, &(0x7f00000001c0)=0xe8) connect$packet(r0, &(0x7f0000000200)={0x11, 0x18, r1, 0x1, 0x7f, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x14) memfd_create(&(0x7f0000000400)='/dev/autofs\x00', 0x0) 2018/04/06 07:06:11 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:11 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xc0ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:11 executing program 3: r0 = syz_open_dev$sg(&(0x7f00000c5ff7)='/dev/sg#\x00', 0x0, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r1, 0x400, 0x70bd2a, 0x25dfdbfc, {0x11}, [@IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'bcsh0\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x28}, @IPVS_CMD_ATTR_SERVICE={0x10, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2, 0x20}}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40000}, 0x10) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000000)={0x6, [0x5, 0x4, 0x200, 0xfff, 0x20, 0xfffffffffffffffe]}, &(0x7f0000000040)=0x10) close(r0) ioctl(r0, 0x2289, &(0x7f0000007000)) 2018/04/06 07:06:11 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x92c) 2018/04/06 07:06:11 executing program 5: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/loop-control\x00', 0x0, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2000000, 0x20010, r0, 0x0) syz_open_dev$loop(&(0x7f0000308000)='/dev/loop#\x00', 0x0, 0x0) 2018/04/06 07:06:11 executing program 4: pipe2(&(0x7f0000000080)={0xffffffffffffffff}, 0x84800) ioctl$TCXONC(r0, 0x540a, 0x5) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xfd0000)=nil, 0xfd0000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000051fe8), &(0x7f0000fd1ffc)=0x3c3) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000180), 0xc) socketpair(0x19, 0x4, 0x1, &(0x7f0000000040)={0xffffffffffffffff}) ioctl$KDSIGACCEPT(r2, 0x4b4e, 0x7) 2018/04/06 07:06:11 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:11 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_TPR_ACCESS_REPORTING(r2, 0xc028ae92, &(0x7f0000000000)={0x8, 0x1}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000001000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f00000001c0)="0f32f4640fc7fcc744240009000080c744240200000000c7442406000000000f011c24b9800000c00f3235002000000f30b97c090000b800000000ba010000000f30c4e21946b3fc600000ea060000000e0166ba4200edb9800000c00f3235010000000f30", 0x65}], 0x1, 0x0, &(0x7f0000000380), 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/04/06 07:06:11 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x600}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:11 executing program 5: userfaultfd(0x0) unshare(0x40600) r0 = memfd_create(&(0x7f000003affa)="706f73fb00000000000000566f6573737b0000", 0x0) getsockopt$bt_rfcomm_RFCOMM_CONNINFO(r0, 0x12, 0x2, &(0x7f0000000080)=""/52, &(0x7f00000000c0)=0x34) ioctl$KIOCSOUND(r0, 0x4b2f, 0x3) pwrite64(r0, &(0x7f000003bfff), 0x0, 0x0) timerfd_settime(r0, 0x1, &(0x7f0000000000)={{0x0, 0x1c9c380}, {0x77359400}}, &(0x7f0000000040)) 2018/04/06 07:06:11 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2f09000000000000) 2018/04/06 07:06:11 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfffffff5}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 518.276517] FAULT_INJECTION: forcing a failure. [ 518.276517] name failslab, interval 1, probability 0, space 0, times 0 [ 518.287959] CPU: 1 PID: 28719 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 518.294800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.304141] Call Trace: [ 518.306718] dump_stack+0x1b9/0x29f [ 518.310329] ? arch_local_irq_restore+0x52/0x52 [ 518.314980] ? __save_stack_trace+0x7e/0xd0 [ 518.319285] should_fail.cold.4+0xa/0x1a [ 518.323326] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 518.328420] ? kasan_kmalloc+0xc4/0xe0 [ 518.332290] ? __kmalloc+0x14e/0x760 [ 518.335988] ? kzalloc+0xf/0x20 [ 518.339257] ? alloc_fair_sched_group+0x5e/0x510 [ 518.344001] ? sched_create_group+0x35/0x70 [ 518.348306] ? cpu_cgroup_css_alloc+0xe/0x30 [ 518.352694] ? graph_lock+0x170/0x170 [ 518.356474] ? vfs_mkdir+0x42e/0x6b0 [ 518.360167] ? do_mkdirat+0x266/0x2f0 [ 518.363950] ? SyS_mkdir+0x22/0x30 [ 518.367470] ? do_syscall_64+0x29e/0x9d0 [ 518.371511] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 518.376859] ? find_held_lock+0x36/0x1c0 [ 518.380901] ? __lock_is_held+0xb5/0x140 [ 518.384952] ? check_same_owner+0x320/0x320 [ 518.389260] ? rcu_note_context_switch+0x710/0x710 [ 518.394184] should_failslab+0x124/0x180 [ 518.398227] __kmalloc+0x2c8/0x760 [ 518.401751] ? lock_is_held_type+0x18b/0x210 [ 518.406142] ? kzalloc+0xf/0x20 [ 518.409402] kzalloc+0xf/0x20 [ 518.412493] alloc_fair_sched_group+0xd6/0x510 [ 518.417057] ? __lock_is_held+0xb5/0x140 [ 518.421102] sched_create_group+0x35/0x70 [ 518.425235] cpu_cgroup_css_alloc+0xe/0x30 [ 518.429454] cgroup_apply_control_enable+0x52d/0xce0 [ 518.434541] ? cgroup_propagate_control+0x5a0/0x5a0 [ 518.439539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 518.445056] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 518.449528] ? cgroup_file_name+0x1f0/0x1f0 [ 518.453834] ? css_populate_dir+0x2a2/0x420 [ 518.458144] cgroup_mkdir+0x825/0x10d0 [ 518.462038] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 518.466775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 518.472292] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 518.477391] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 518.482223] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 518.488505] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 518.494034] ? kernfs_get_active+0xb2/0x120 [ 518.498348] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 518.503103] kernfs_iop_mkdir+0x159/0x1e0 [ 518.507232] ? getname_flags+0xd0/0x5a0 [ 518.511202] vfs_mkdir+0x42e/0x6b0 [ 518.514734] do_mkdirat+0x266/0x2f0 [ 518.518349] ? SyS_mknod+0x40/0x40 [ 518.521876] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 518.526699] ? do_syscall_64+0xb7/0x9d0 [ 518.530652] SyS_mkdir+0x22/0x30 [ 518.534017] ? SyS_mkdirat+0x30/0x30 [ 518.537719] do_syscall_64+0x29e/0x9d0 [ 518.541586] ? vmalloc_sync_all+0x30/0x30 [ 518.545713] ? _raw_spin_unlock_irq+0x27/0x70 [ 518.550190] ? finish_task_switch+0x1ca/0x820 [ 518.554665] ? syscall_return_slowpath+0x5c0/0x5c0 [ 518.559575] ? syscall_return_slowpath+0x30f/0x5c0 [ 518.564501] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 518.569848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 518.574672] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 518.579841] RIP: 0033:0x4552d9 [ 518.583015] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 518.590712] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 518.597959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 518.605207] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 518.612454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 518.619700] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001c 2018/04/06 07:06:12 executing program 4: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) lsetxattr(&(0x7f0000712ff8)='./file0\x00', &(0x7f0000faffe7)=@known='security.capability\x00', &(0x7f00002b2fec)="0000000201000000000000010400000000000000", 0x14, 0x0) getxattr(&(0x7f0000586ff8)='./file0\x00', &(0x7f0000d8e000)=@known='security.capability\x00', &(0x7f0000a2af87)=""/121, 0xfffffffffffffdd0) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000cf1ffc)=0x600210) llistxattr(&(0x7f0000000200)='./file0\x00', &(0x7f0000000900)=""/22, 0x16) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) pread64(r0, &(0x7f0000000240)=""/226, 0xffffffffffffffc6, 0x0) pwritev(r0, &(0x7f0000ed8f70)=[{&(0x7f00007d7f41)='k', 0x1}], 0x1, 0x0) r1 = syz_open_dev$sg(&(0x7f00000001c0)='/dev/sg#\x00', 0x0, 0x2) mmap$binder(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0xc, 0x10, r1, 0x0) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000880)) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000940)) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000001a40)={0x6b, 0x0, &(0x7f0000001b00)=ANY=[@ANYBLOB="10630840040000000000000000634040030000000000000003000000000000000000000011000000000000000000000018000000000000001000000000000000", @ANYPTR=&(0x7f0000000840)=ANY=[@ANYBLOB="78000000000000001800000000000000"], @ANYPTR=&(0x7f00000008c0)=ANY=[@ANYBLOB="852a687701000000", @ANYBLOB="0400000000000000"], @ANYBLOB="050000000000000003630840", @ANYBLOB="2f6300425c186058c679e92d6dc400"], 0x1000, 0x0, &(0x7f0000000a40)="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"}) write$sndseq(r1, &(0x7f00005cbf70)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @result={0x0, 0x8}}], 0x30) readv(r1, &(0x7f000035dfe0)=[{&(0x7f000044affd)=""/3, 0x3}], 0x1) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r0, 0xc4c85513, &(0x7f0000000340)={{0xffffffff, 0x7, 0x1, 0x26c4, "02e9ebbb216a45b57ded9462aa77ca8133f988213e0b529833a4215c24f9def694acbbf5122e58431cb90f5f", 0x80}, 0xad6e, [0x5, 0x5, 0x20, 0x8, 0x21, 0x3f, 0x2, 0x0, 0x1, 0x100000001, 0x7, 0x5, 0x5, 0x80000000, 0x1, 0x80, 0x3c73, 0x2, 0x6, 0x7, 0x9, 0x9, 0x1, 0x4, 0x3f, 0x8, 0x4, 0x80, 0x8, 0x81, 0xfffffffffffffff8, 0x100000000, 0x401, 0x6, 0x7, 0x3f, 0x401, 0x7, 0x1, 0x3, 0xcf5, 0xeaad, 0x8, 0x9, 0x8, 0x1ff0000000, 0x7, 0x7, 0x1b, 0x6, 0x2, 0x80, 0x2, 0x6b5, 0x9, 0x5, 0x9, 0x0, 0x6, 0x101, 0x9, 0x9, 0x2, 0x7, 0x401, 0x0, 0x6, 0x20, 0x21c, 0x8, 0x4787, 0x7f, 0x6, 0x5, 0xffffffff80000001, 0x5, 0x2, 0x3f, 0x4, 0x3c, 0x2, 0x100, 0x626, 0x6, 0x93, 0x2, 0xffff, 0x7fff, 0x14ddf1f8, 0x8, 0x3, 0x1, 0x40, 0x8000001c, 0x9, 0x9, 0x35, 0xffffffff, 0x6, 0x9, 0x3, 0x2, 0x8000, 0x8001, 0xfa5, 0x857b, 0x0, 0x3f6b, 0x10000, 0x80000000, 0xfffffffffffffffb, 0x3, 0x2, 0x1, 0x8, 0x3, 0x400, 0x7, 0x3, 0x7d, 0x80000000, 0x1f, 0x2388, 0x7, 0x3, 0x699, 0x280000001, 0x9], {0x0, 0x989680}}) lremovexattr(&(0x7f0000001a80)='./file0\x00', &(0x7f0000001ac0)=@known='com.apple.FinderInfo\x00') ioctl$sock_inet6_udp_SIOCINQ(0xffffffffffffffff, 0x541b, &(0x7f0000000100)) ioctl$KDGKBMODE(r0, 0x4b44, &(0x7f00000001c0)) ioctl$PPPIOCGMRU(r0, 0x80047453, &(0x7f0000000180)) 2018/04/06 07:06:12 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:12 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x3, 0x8040) ioctl$KVM_ASSIGN_SET_MSIX_NR(r2, 0x4008ae73, &(0x7f0000000080)={0xba, 0xffff}) write$rdma_cm(r1, &(0x7f0000001c40)=@migrate_id={0x12, 0x10, 0xfa00, {&(0x7f00000004c0), 0xffffffff, r0}}, 0x18) 2018/04/06 07:06:12 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2809000000000000) 2018/04/06 07:06:12 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x60}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:12 executing program 3: r0 = memfd_create(&(0x7f0000000080)='system/\x00', 0x3) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mkdir(&(0x7f00001af000)='./file0\x00', 0x0) symlink(&(0x7f0000000100)='./file0/file0\x00', &(0x7f0000000140)='./file0/file0\x00') pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) ioctl$KVM_CHECK_EXTENSION_VM(r2, 0xae03, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r1, 0xc1205531, &(0x7f0000000180)={0x0, 0x2, 0x8000, 0xf7b6, [], [], [], 0xfa9, 0x4, 0x7aa1, 0xfffffffffffff000, "3322fbe6297cb38428886267be661ec6"}) syz_fuse_mount(&(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 2018/04/06 07:06:12 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x15, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:12 executing program 0 (fault-call:3 fault-nth:29): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:12 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xc0ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:12 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:12 executing program 3: clock_gettime(0x0, &(0x7f0000000000)) clock_gettime(0x7, &(0x7f0000000040)) 2018/04/06 07:06:12 executing program 5: ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000040)={0x4, 0xffffffffffffff9c}) getsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000200)={@empty, 0x3, 0x0, 0xff, 0x0, 0x80, 0x2f8, 0x401}, &(0x7f0000000240)=0x20) r1 = socket$alg(0x26, 0x5, 0x0) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x4000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r2, 0xc04c5349, &(0x7f0000000180)={0x5, 0x602, 0xfffffffffffffff7}) bind$alg(r1, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'hmac(rmd320-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000100)="000000000000000000200017d4edb818d1326c3b457d1ce89bd368aa68e80db8ed46c3e0104cab924318c1c340f91508830f3396d8036461083a1a90931be8f96d", 0x41) connect$vsock_dgram(r2, &(0x7f0000000280)={0x28, 0x0, 0x2711, @any=0xffffffff}, 0x10) 2018/04/06 07:06:12 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3709) 2018/04/06 07:06:12 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x6, 0x4, 0x9, 0x400000000000062}, 0x2c) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000040)='/dev/vcs#\x00', 0x4, 0x2000) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000012c0)={0x0}, &(0x7f0000001300)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000002380)={{{@in=@rand_addr, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000001440)=0xfffffffffffffdf2) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001480)={0x0, 0x0, 0x0}, &(0x7f00000014c0)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001500)={0x0}, &(0x7f0000001540)=0xc) fstat(r1, &(0x7f0000001580)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000001600)=0x0, &(0x7f0000001640), &(0x7f0000001680)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f00000016c0)={0x0}, &(0x7f0000001700)=0xc) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000001740)={{{@in, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@loopback}}, &(0x7f0000001840)=0xe8) getresgid(&(0x7f0000001880), &(0x7f00000018c0), &(0x7f0000001900)=0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000001940)=0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f0000001980)={{{@in6=@ipv4={[], [], @remote}, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@local}}, &(0x7f0000001a80)=0xe8) stat(&(0x7f0000001ac0)='./file0\x00', &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r15 = getpgrp(0xffffffffffffffff) stat(&(0x7f00000021c0)='./file0\x00', &(0x7f0000002200)={0x0, 0x0, 0x0, 0x0, 0x0}) r17 = getegid() r18 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) sendmmsg$unix(r2, &(0x7f0000002300)=[{&(0x7f0000000080)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000001280)=[{&(0x7f0000000100)="274dbe6bf2f1821582095f7747d3fc199c49d1434e", 0x15}, {&(0x7f0000000140)="4e8e920b5d202dc2f16f6c449ddcd0237e24093db4a8adc4724a9bb721972b27e75a7378cd80690b45c72abe807539aa8dada6bad84337a5b73ea7e7904c2374c27fbf3e4d86c88e556f82ad5ef0088d621ddcfa6a361ef47b92404fc9b15a8417869ce6840bb302bcdfad2f6d3dd4f6733eff6512b0579cfaf8667b42ed856067f58d", 0x83}, {&(0x7f0000000200)="f4962506cbff67f9f56bfb26dd599594382bba47a80c6e31fcc0f2247c65bc51168e7970f13d4539d547c4745f41a9dc99a408bb9304575bc0ec214fb1bc27ee23ed2f177dadfeff04d0b61b37e543b0", 0x50}, {&(0x7f0000000280)="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", 0x1000}], 0x4, &(0x7f0000001b80)=[@cred={0x20, 0x1, 0x2, r3, r4, r5}, @rights={0x20, 0x1, 0x1, [r1, r0, r1]}, @rights={0x28, 0x1, 0x1, [r1, r1, r0, r1, r1, r0]}, @rights={0x18, 0x1, 0x1, [r0, r1]}, @rights={0x20, 0x1, 0x1, [r0, r1, r0, r1]}, @cred={0x20, 0x1, 0x2, r6, r7, r8}, @cred={0x20, 0x1, 0x2, r9, r10, r11}, @cred={0x20, 0x1, 0x2, r12, r13, r14}, @rights={0x38, 0x1, 0x1, [r1, r0, r1, r1, r1, r0, r0, r1, r1]}, @rights={0x28, 0x1, 0x1, [r1, r0, r0, r1, r0]}], 0x160}, {&(0x7f0000001d00)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000002140)=[{&(0x7f0000001d80)="8a240653e85b9e2f88162064fc4f588a656c05c4e711948439ad2ae9de5ef8fd53bd1c4f3f7a187c6a59690feb5b5922aa3da6754c7de85f2eac1925cd989c8188b3e8e07c11e1201ce61b47864b5693e848b258ab142a28b1b472586459dff746961053a5d6268f1e73dedcc3168515c4a0f4325a3a003b0b8c63a5e1f7ce54bfd98b0c8fc052c946ee1a5e5cac1f691de2c42c77da38f962456cef6ad0a69c8b8d19dcff91c7fff09ff41910b5b0c6ed0f11c00a767918b6873f6a14e9414c45b37e1d70232856af67b7bcf3ea5fb9dc976ea70a4258ebc48f56400ac8692f79c97c17f107d68bd02c89fe3be18e11b2f2", 0xf2}, {&(0x7f0000001e80)="e6c9180e", 0x4}, {&(0x7f0000001ec0)="82e806cf3afacedbed0332b57ee6b951eeb858c41daa50b6a4d2bca7b5f736bb360e56d051fd576f0cef8f89908d08fd68a1977861376b6745d8e0b751903400305716e1fdbd26d128b998da0943c38e85024e8ee97b5818e970f5585266dd5b51e11bdbaeb722c5a624ebffabc0807c4def9aed2a4ce263079ad566e204682cf628101d0eaf4141217ccce5869c0e211219ffdba44b6823bd8bc74c1f549b791b7f257ebbe92ff0f5b6a4d412c6e7de3622c970d25f5622176a7043cbf72b5506833c9d4390ae87e0fd97de17ff968c848d57f7aab9f452967143a3866e25eb594d0fffee6e29939253", 0xea}, {&(0x7f0000001fc0)="4846eeacfc26859853bcacd08af64b9c3200d6a22c1ab71bb12669acd7afceb9d2b7a0bae6874b7843f0040c88d77d2d319f87976677fd405e056ebe11d33c3509290e2f1dfdbddca9cf64c8475f19b319c62b5046bbf990e2b09f732019b48905bfe3fe137c3fc8eb5bb0bc369d325295d4b986abb8355980739f5e6bd1cc9487da7cfec04d3174651323288a8d367f84e56daa652c4d93eb7e0affb24715eee24d5dd23ce1846a3fb9ece8b66efab544b4482747dfb19b5d2cfe5103399da96d3b3bb7c0a2ca7b11a431e248a0cacffdc47b5a379a7ba86818f66776bc4096d2ea6a0932ca99c2b30730a3b93b389719228cfa326684", 0xf7}, {&(0x7f00000020c0)="6a93805e2632956ccc5c404ab6f92e680c50eec00a2dccf1ab8b5a9c67f72b34de4ac6ac8988139c239fcbbc3cd068e29e357a6de12548d1883edf25fa708dc589a4832af8fba583e1063e", 0x4b}], 0x5, &(0x7f0000002280)=[@cred={0x20, 0x1, 0x2, r15, r16, r17}, @rights={0x38, 0x1, 0x1, [r1, r1, r0, r1, r1, r18, r0, r1, r1]}, @rights={0x18, 0x1, 0x1, [r1, r0]}], 0x70, 0x40080}], 0x2, 0x4008000) dup3(r1, r0, 0x0) 2018/04/06 07:06:12 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6000000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 518.982572] FAULT_INJECTION: forcing a failure. [ 518.982572] name failslab, interval 1, probability 0, space 0, times 0 [ 518.994073] CPU: 1 PID: 28756 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 519.000926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.010283] Call Trace: [ 519.012877] dump_stack+0x1b9/0x29f [ 519.016505] ? arch_local_irq_restore+0x52/0x52 [ 519.021178] ? __save_stack_trace+0x7e/0xd0 [ 519.025518] should_fail.cold.4+0xa/0x1a [ 519.029585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 519.034691] ? kasan_kmalloc+0xc4/0xe0 [ 519.038583] ? __kmalloc+0x14e/0x760 [ 519.042300] ? kzalloc+0xf/0x20 [ 519.045585] ? alloc_fair_sched_group+0x5e/0x510 [ 519.050346] ? sched_create_group+0x35/0x70 [ 519.054666] ? cpu_cgroup_css_alloc+0xe/0x30 [ 519.059067] ? graph_lock+0x170/0x170 [ 519.062861] ? vfs_mkdir+0x42e/0x6b0 [ 519.066562] ? do_mkdirat+0x266/0x2f0 [ 519.070355] ? SyS_mkdir+0x22/0x30 [ 519.073884] ? do_syscall_64+0x29e/0x9d0 [ 519.077934] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 519.083292] ? find_held_lock+0x36/0x1c0 [ 519.087350] ? __lock_is_held+0xb5/0x140 [ 519.091409] ? check_same_owner+0x320/0x320 [ 519.095723] ? rcu_note_context_switch+0x710/0x710 [ 519.100645] should_failslab+0x124/0x180 [ 519.104699] __kmalloc+0x2c8/0x760 [ 519.108227] ? kzalloc+0xf/0x20 [ 519.111495] kzalloc+0xf/0x20 [ 519.114589] alloc_fair_sched_group+0xd6/0x510 [ 519.119157] ? __lock_is_held+0xb5/0x140 [ 519.123209] sched_create_group+0x35/0x70 [ 519.127348] cpu_cgroup_css_alloc+0xe/0x30 [ 519.131572] cgroup_apply_control_enable+0x52d/0xce0 [ 519.136676] ? cgroup_propagate_control+0x5a0/0x5a0 [ 519.141682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 519.147208] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 519.151689] ? cgroup_file_name+0x1f0/0x1f0 [ 519.156005] ? css_populate_dir+0x2a2/0x420 [ 519.160321] cgroup_mkdir+0x825/0x10d0 [ 519.164204] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 519.168950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 519.174475] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 519.179568] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 519.184395] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 519.189920] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 519.195442] ? kernfs_get_active+0xb2/0x120 [ 519.199747] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 519.204492] kernfs_iop_mkdir+0x159/0x1e0 [ 519.208625] ? getname_flags+0xd0/0x5a0 [ 519.212590] vfs_mkdir+0x42e/0x6b0 [ 519.216117] do_mkdirat+0x266/0x2f0 [ 519.219730] ? SyS_mknod+0x40/0x40 [ 519.223259] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 519.228101] ? do_syscall_64+0xb7/0x9d0 [ 519.232065] SyS_mkdir+0x22/0x30 [ 519.235415] ? SyS_mkdirat+0x30/0x30 [ 519.239113] do_syscall_64+0x29e/0x9d0 [ 519.242986] ? vmalloc_sync_all+0x30/0x30 [ 519.247125] ? _raw_spin_unlock_irq+0x27/0x70 [ 519.251607] ? finish_task_switch+0x1ca/0x820 [ 519.256089] ? syscall_return_slowpath+0x5c0/0x5c0 [ 519.261009] ? syscall_return_slowpath+0x30f/0x5c0 [ 519.265932] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 519.271286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 519.276121] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/04/06 07:06:13 executing program 4: r0 = accept4(0xffffffffffffffff, &(0x7f0000000180)=@nfc, &(0x7f0000000000)=0x80, 0x80800) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000200)) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 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) r1 = socket$inet6(0xa, 0x3, 0x0) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r1, 0x29, 0xd2, &(0x7f0000000100)={{0xa, 0x4e21, 0x7, @dev={0xfe, 0x80, [], 0xc}, 0x9}, {0xa, 0x4e23, 0x9da8, @mcast1={0xff, 0x1, [], 0x1}}, 0x4, [0x8, 0x3, 0x8, 0x10001, 0x2, 0x3, 0x5, 0x100000000]}, 0x5c) r2 = socket$pppoe(0x18, 0x1, 0x0) r3 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r3, &(0x7f00000000c0)={0x18, 0x0, {0x3, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'ip6_vti0\x00'}}, 0x1e) fstatfs(r2, &(0x7f0000000240)=""/92) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000001d00)={[{0x3}, {}, {0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x0, 0x0, 0x9}], 0x2}) connect$pppoe(r2, &(0x7f0000000080)={0x18, 0x0, {0x3, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, 'erspan0\x00'}}, 0x1e) semctl$GETZCNT(0x0, 0x0, 0xf, &(0x7f0000001bc0)=""/218) ioctl$PPPOEIOCSFWD(r2, 0x4008b100, &(0x7f0000000040)={0x18, 0x0, {0x3, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'ip6_vti0\x00'}}) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f00000002c0)=0x1399, 0x4) [ 519.281295] RIP: 0033:0x4552d9 [ 519.284467] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 519.292173] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 519.299427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 519.306681] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 519.313936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 519.321187] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001d 2018/04/06 07:06:13 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfec0000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:13 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xffffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:13 executing program 5: r0 = socket(0x10, 0x3, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write(r0, &(0x7f000033e000)="170000001a001bed0000132100f404fffffffffffffff7", 0x17) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x20, 0x2) ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0106426, &(0x7f0000000100)={0x6, &(0x7f00000000c0)=[{}, {0x0}, {}, {}, {}, {}]}) ioctl$DRM_IOCTL_DMA(r2, 0xc0406429, &(0x7f0000000240)={r3, 0x0, &(0x7f0000000140), &(0x7f0000000180)=[0x81, 0x3f], 0x46, 0x9, 0x80000000, &(0x7f00000001c0)=[0x5, 0x0, 0x100000001, 0x10001, 0x41f9, 0x0, 0x80, 0x0, 0x10000], &(0x7f0000000200)=[0x8001, 0xde, 0xfffffffffffffff7, 0xffff, 0x10000]}) recvmmsg(r0, &(0x7f0000f7bfc0), 0xd948aa, 0x40010000, &(0x7f0000000000)={0x0, r1+10000000}) 2018/04/06 07:06:13 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e5b000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) connect$inet(r0, &(0x7f0000ccb000)={0x2, 0x4e20}, 0x10) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0x3, &(0x7f0000000000)=ANY=[@ANYBLOB="180000000000000000000000000000009500000000007e174e8e2a52c28228668a14a14e490300002a966d9b17b544e8c2f992f00f4a978c99dc7d7833346ad80633a0768f7d40c84ad287a6"], &(0x7f00002bf000)='syzkaller\x00', 0x4, 0xb7, &(0x7f0000000640)=""/183}, 0x48) r2 = socket$kcm(0x29, 0x8000000005, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000008c0)='/dev/hwrng\x00', 0x100, 0x0) ioctl$KVM_SET_DEBUGREGS(r3, 0x4080aea2, &(0x7f0000000900)={[0x2000, 0x2, 0x2000, 0x10002], 0x100000001, 0x0, 0x100000001}) preadv(r0, &(0x7f00000005c0)=[{&(0x7f00000002c0)=""/47, 0x2f}, {&(0x7f0000000340)=""/18, 0x12}, {&(0x7f0000000380)=""/219, 0xdb}, {&(0x7f0000000480)=""/122, 0x7a}, {&(0x7f0000000500)=""/139, 0x8b}, {&(0x7f0000000700)=""/192, 0xc0}, {&(0x7f00000007c0)=""/228, 0xe4}], 0x7, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000300)={r0, r1}) sendmsg(r0, &(0x7f00000000c0)={&(0x7f0000000180)=@llc={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x80, &(0x7f0000000b40)=[{&(0x7f0000000a80)="e1", 0x1}], 0x1, &(0x7f00000007c0)}, 0xc041) r4 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x401, 0x10000) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r4, 0x40a85321, &(0x7f0000000200)={{0x6, 0x80000000}, 'port0\x00', 0x40, 0x10000, 0x5, 0x7, 0x4, 0x7, 0x8, 0x0, 0x5, 0x5}) socket$inet6_tcp(0xa, 0x1, 0x0) 2018/04/06 07:06:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0xc) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x400000, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000140)={0x0, 0x7f}, 0x8) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000000c0)={'bond0\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="1800745e27f90000000000000000000000ff0000000000000000000000000000000000000000000000000000"]}) 2018/04/06 07:06:13 executing program 3: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20000, 0x2) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000040)=[@in6={0xa, 0x4e20, 0x8, @loopback={0x0, 0x1}, 0x30}, @in6={0xa, 0x4e21, 0xfffffffffffffffb, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x7}], 0x38) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x20010, r1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x30, &(0x7f0000000080)="33c15cf80d40e182f2771f71b39f", 0xe) 2018/04/06 07:06:13 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:13 executing program 4: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x6, 0x200000) r1 = syz_open_dev$sg(&(0x7f0000000980)='/dev/sg#\x00', 0x2, 0x40100) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000180)={0x0, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, [0x0, 0x4, 0x7, 0x9, 0x6af5, 0x1, 0x10001, 0x4, 0x8, 0x8000, 0x4, 0x8, 0x80000002, 0x8, 0x2]}, &(0x7f00000009c0)=0xffffffffffffffac) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000280)={r2, 0xf9, "093eb1216b6c0acf7f0bd337526905dd264851822d4699c68c6a7d8870e5bdbbbf4a88bf15c6bc13eb0d1b66384a849abddbfad48898b279c27be6c19bb6bf6f0f34df5581dbed8cd28b6c9168f4443343f2d5a0b355aae71fc550443077e9915028105046120a92b6c8e32471bce8c01c6cea47ecfa5788524a6ebf14507ce45a7f52c19c899f19f9a1d5a166cb68d31c7a254ac5fd47dd551a717d9f9c14203019c09dd35bd49720f3857fd435132dd723ef7710a91b5dfc9d7dd4e28fae969b0418899973e92393af3cd16649fda0805dee9725c1f9f4883d4977fb43bbce64e774a12ff18f170be945475ad67120175a11ad7b70598cbb"}, &(0x7f0000000080)=0x101) syz_emit_ethernet(0x4e, &(0x7f0000000100)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "c0e544", 0x18, 0x40000000003a, 0x0, @dev={0xfe, 0x80}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@mld={0xffffff83, 0x0, 0x0, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}}}}, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000740)={0x6, r0}) getsockopt$inet6_mreq(0xffffffffffffff9c, 0x29, 0x1f, &(0x7f0000000780)={@mcast1, 0x0}, &(0x7f00000007c0)=0x14) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000800)={0x0, 0x0}, &(0x7f0000000840)=0xc) setsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000000880)={{{@in=@remote={0xac, 0x14, 0x14, 0xbb}, @in=@multicast1=0xe0000001, 0x4e22, 0x0, 0x4e24, 0x100000001, 0xa, 0x80, 0xa0, 0xd, r4, r5}, {0x3, 0x9, 0x2, 0x800, 0x746, 0x4, 0x5, 0x7fffffff}, {0x7, 0x100000001, 0x6, 0x6}, 0x9, 0x0, 0x1, 0x1, 0x1, 0x3}, {{@in6=@loopback={0x0, 0x1}, 0x4d5, 0xff}, 0xa, @in=@multicast1=0xe0000001, 0x3504, 0x0, 0x3, 0x8, 0xffffffff, 0x40, 0x4}}, 0xe8) r6 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x0, 0x0) syz_emit_ethernet(0x5a, &(0x7f00000006c0)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [{[], {0x8100, 0x3, 0x4}}], {@canfd={0xd, {{0x2, 0x5, 0x8, 0xfffffffffffff10d}, 0x3c, 0x2, 0x0, 0x0, "05aa60ef1351386ad99f4d429b4ab9a779ce24db8bdb7b7bdd010128edc2543512afb74dde9183011e8281b659bd3bc473ac9d9fa459fbadc50eefa0284ef4c1"}}}}, &(0x7f00000003c0)={0x0, 0x4, [0x7ef, 0x71d, 0xec1, 0xe40]}) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x27, &(0x7f0000000400)={@multicast1, @dev, 0x0}, &(0x7f0000000440)=0xc) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000480)={{{@in6, @in6=@ipv4={[], [], @multicast1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@remote}}, &(0x7f0000000580)=0xe8) setsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f00000005c0)={{{@in=@broadcast=0xffffffff, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e23, 0x0, 0x4e21, 0x0, 0xa, 0x80, 0x0, 0x7f, r7, r8}, {0xffff, 0xffffffffffffffc5, 0x9, 0x2, 0x4, 0x5, 0xd55, 0x1}, {0x840, 0xe8, 0x1, 0x400}, 0x8, 0x6e6bb2, 0x3, 0x1, 0x1, 0x2}, {{@in=@multicast2=0xe0000002, 0x4d3, 0xff}, 0xa, @in6=@dev={0xfe, 0x80, [], 0x14}, 0x0, 0x1, 0x3, 0x200, 0x80000001, 0x1, 0xff7}}, 0xe8) 2018/04/06 07:06:13 executing program 3: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x10002, 0x0) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4e21, 0x836149a, @loopback={0x0, 0x1}, 0xffffffff}, 0x1c) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000040)={@remote, 0x0}, &(0x7f0000000080)=0x14) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f00000000c0)={r1, 0x1, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x10) r2 = socket$unix(0x1, 0x5, 0x0) bind$unix(r2, &(0x7f00005dd000)=@abs={0x1}, 0x8) listen(r2, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000100), &(0x7f0000000140)=0x4) setsockopt$sock_int(r2, 0x1, 0x7, &(0x7f0000788000), 0x4) 2018/04/06 07:06:13 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x5) 2018/04/06 07:06:13 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:13 executing program 0 (fault-call:3 fault-nth:30): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:13 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfe800000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:13 executing program 5: r0 = socket(0xa, 0x2, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="82962b22160000000000000000000000000000000000"], 0x8) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000c2d000), 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r0, 0x800442d4, &(0x7f0000000080)=0x6) 2018/04/06 07:06:13 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3f00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 519.945324] FAULT_INJECTION: forcing a failure. [ 519.945324] name failslab, interval 1, probability 0, space 0, times 0 [ 519.956681] CPU: 0 PID: 28830 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 519.963519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.972868] Call Trace: [ 519.975454] dump_stack+0x1b9/0x29f [ 519.979077] ? arch_local_irq_restore+0x52/0x52 [ 519.983731] ? __save_stack_trace+0x7e/0xd0 [ 519.988052] should_fail.cold.4+0xa/0x1a [ 519.992111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 519.997199] ? kasan_kmalloc+0xc4/0xe0 [ 520.001072] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 520.006343] ? alloc_fair_sched_group+0x1ec/0x510 [ 520.011271] ? sched_create_group+0x35/0x70 [ 520.015578] ? cpu_cgroup_css_alloc+0xe/0x30 [ 520.019970] ? cgroup_apply_control_enable+0x52d/0xce0 [ 520.025232] ? graph_lock+0x170/0x170 [ 520.029017] ? do_mkdirat+0x266/0x2f0 [ 520.032812] ? SyS_mkdir+0x22/0x30 [ 520.036337] ? do_syscall_64+0x29e/0x9d0 [ 520.040396] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 520.045756] ? find_held_lock+0x36/0x1c0 [ 520.049809] ? __lock_is_held+0xb5/0x140 [ 520.053856] ? check_same_owner+0x320/0x320 [ 520.058162] ? rcu_note_context_switch+0x710/0x710 [ 520.063077] should_failslab+0x124/0x180 [ 520.067122] kmem_cache_alloc_node_trace+0x26f/0x770 [ 520.072207] ? __refill_cfs_bandwidth_runtime+0x120/0x120 [ 520.077738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 520.083282] ? find_next_bit+0x104/0x130 [ 520.087341] alloc_fair_sched_group+0x266/0x510 [ 520.091996] sched_create_group+0x35/0x70 [ 520.096142] cpu_cgroup_css_alloc+0xe/0x30 [ 520.100368] cgroup_apply_control_enable+0x52d/0xce0 [ 520.105458] ? cgroup_propagate_control+0x5a0/0x5a0 [ 520.110457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 520.115978] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 520.120454] ? cgroup_file_name+0x1f0/0x1f0 [ 520.124759] ? css_populate_dir+0x2a2/0x420 [ 520.129068] cgroup_mkdir+0x825/0x10d0 [ 520.132943] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 520.137680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 520.143196] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 520.148278] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 520.153101] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 520.158619] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 520.164137] ? kernfs_get_active+0xb2/0x120 [ 520.168438] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 520.173174] kernfs_iop_mkdir+0x159/0x1e0 [ 520.177300] ? getname_flags+0xd0/0x5a0 [ 520.181255] vfs_mkdir+0x42e/0x6b0 [ 520.184775] do_mkdirat+0x266/0x2f0 [ 520.188384] ? SyS_mknod+0x40/0x40 [ 520.191909] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 520.196731] ? do_syscall_64+0xb7/0x9d0 [ 520.200687] SyS_mkdir+0x22/0x30 [ 520.204044] ? SyS_mkdirat+0x30/0x30 [ 520.207751] do_syscall_64+0x29e/0x9d0 [ 520.211619] ? vmalloc_sync_all+0x30/0x30 [ 520.215748] ? _raw_spin_unlock_irq+0x27/0x70 [ 520.220224] ? finish_task_switch+0x1ca/0x820 [ 520.224712] ? syscall_return_slowpath+0x5c0/0x5c0 [ 520.229635] ? syscall_return_slowpath+0x30f/0x5c0 [ 520.234551] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 520.239899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 520.244731] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 520.249904] RIP: 0033:0x4552d9 [ 520.253076] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 520.260763] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 520.268019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 520.275283] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 520.282532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 520.289796] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001e 2018/04/06 07:06:14 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x1000000000000000) 2018/04/06 07:06:14 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:14 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x100, 0x0) r1 = semget$private(0x0, 0x5, 0x202) semctl$IPC_STAT(r1, 0x0, 0x2, &(0x7f0000000080)=""/87) ioctl$DRM_IOCTL_GET_MAP(r0, 0xc0286404, &(0x7f0000000040)={&(0x7f00002bd000/0x3000)=nil, 0x7, 0x4, 0x8, &(0x7f00002bd000/0x4000)=nil, 0x81}) msync(&(0x7f00002bc000/0x2000)=nil, 0x2000, 0x9ff5aeb3e9bb58ba) 2018/04/06 07:06:14 executing program 5: r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/qat_adf_ctl\x00', 0x140, 0x0) sendmsg$netrom(r0, &(0x7f0000001700)={&(0x7f0000000400)=@ax25={0x3, {"9210c94028872f"}}, 0x10, &(0x7f0000001600)=[{&(0x7f0000000440)="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", 0x1000}, {&(0x7f0000001440)="2e360500357997b9805455b2dea7c734dd36ad8c5fff99527bab2fc25ba5671b21dcbd7f328fbc8893fd9924b4dff65c1d149a2e0ec5bff6a7fa5b076a6f4fcac0655babaf28f8622dbc286b84caa058ec0c43e5ea7686276c1edfd1b830c76b3854ba3ce86dda9e2c125f2376a48b", 0x6f}, {&(0x7f00000014c0)="3f88cc6fe4b0504289ab04c6c2271216174e31abedcbb87e8ad4b118b0bc66ec7fb195", 0x23}, {&(0x7f0000001500)="be127f53a0fc0eecd8309b3ffffd3d2fe0ef3a5e7bfb91f3d5954a14ad0d64b4264fc7b8eb", 0x25}, {&(0x7f0000001540)}, {&(0x7f0000001580)="b6d8938f623e9c45f79ff201122e9ef8285440cc98f5e8ffad652f91286081a31d1966f2a1fdcbec884a94107fe1", 0x2e}, {&(0x7f00000015c0)="d078434cb0bbde39cd43df5cc814df9bbc55727d2b94ad01790df528277c9b7986a953de9f4d63c4a7218ba3120d8eac26cc79", 0x33}], 0x7, &(0x7f0000001680)=ANY=[@ANYBLOB="58000000000000000000000001000000df9b8cd1d2b2943b01c32d3117b6b9d4af0d24b8b28af382bf53fe47b67b003839d9ce4cf997ba69059cf00a07ec6c1f7bf100000000000000000000"], 0x58, 0x4004801}, 0x4000000) ioctl$VHOST_SET_LOG_FD(r0, 0x4004af07, &(0x7f00000017c0)) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'cmac(blowfish-generic)\x00'}, 0x58) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r0, 0x29, 0xd2, &(0x7f0000001740)={{0xa, 0x4e21, 0x5, @remote={0xfe, 0x80, [], 0xbb}, 0x1000}, {0xa, 0x4e20, 0x6d5f, @mcast2={0xff, 0x2, [], 0x1}, 0x200}, 0x800, [0xb6, 0x7, 0xffffffff, 0xffffffffffffffc1, 0x7ff, 0x8fe, 0x80000000, 0x200]}, 0x5c) r2 = open(&(0x7f0000000080)='./file0\x00', 0x427d, 0x20) bind$bt_l2cap(r2, &(0x7f00000000c0)={0x1f, 0x3ff, {0x60, 0x1f, 0x10000000000000, 0x1, 0xffff, 0x88c1}, 0x3, 0x7fffffff}, 0xe) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f00000001c0)={{{@in6=@dev, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@local}}, &(0x7f00000002c0)=0xe8) accept4$llc(r2, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000380)=0x10, 0x0) clock_adjtime(0x5, &(0x7f0000001800)={0xf135, 0x9, 0x2, 0x81, 0x1, 0x9, 0x952c, 0x200, 0xfffffffffffffc00, 0x8000, 0x2c3, 0x8, 0x2d, 0x24c, 0x9, 0x1ff, 0x3, 0xab6d, 0x7, 0xfffffffffffffff7, 0x0, 0x90, 0x7f, 0x4, 0x0, 0xfffffffffffffc01}) getsockopt$ARPT_SO_GET_INFO(r2, 0x0, 0x60, &(0x7f0000000100)={'filter\x00'}, &(0x7f0000000180)=0x44) ioctl$sock_inet6_SIOCDIFADDR(r2, 0x8936, &(0x7f0000000300)={@ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x3e, r3}) r5 = shmget$private(0x0, 0x3000, 0x4, &(0x7f0000ffa000/0x3000)=nil) openat$rfkill(0xffffffffffffff9c, &(0x7f0000001540)='/dev/rfkill\x00', 0x0, 0x0) shmat(r5, &(0x7f0000ffb000/0x3000)=nil, 0x4000) setsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000001900)={{{@in=@multicast1=0xe0000001, @in=@multicast2=0xe0000002, 0x4e22, 0x6, 0x4e23, 0x3, 0xa, 0x0, 0x80, 0x3f, r3, r4}, {0x10000, 0xffffffffffff8df6, 0x2, 0x5, 0x7ec6, 0x1ff, 0x7, 0x200}, {0x9, 0x3, 0x3, 0x4eedb6ff}, 0x7fffffff, 0x6e6bb0, 0x2, 0x0, 0x2, 0x1}, {{@in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4d4, 0x32}, 0xa, @in=@multicast2=0xe0000002, 0x3503, 0x0, 0x1, 0x3, 0x80000001, 0x5131, 0x7}}, 0xe8) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f00003bcfd0)="d3ab2719", 0x4) 2018/04/06 07:06:14 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:14 executing program 4: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, &(0x7f000000b000)={0x77359400}, &(0x7f0000048000), 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f00000000c0)={r1}) futex(&(0x7f000000cffc)=0x4, 0x80000000000b, 0x4, &(0x7f0000edfff0)={0x77359400, 0x4}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000fd7ff0)={0x77359400}, &(0x7f0000048000), 0x0) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f0000000100)=0x1) nanosleep(&(0x7f0000000180)={0x0, 0x1c9c380}, &(0x7f00000001c0)) futex(&(0x7f000000cffc)=0x4, 0xb, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f000000d000)={0x0, 0x7f}, &(0x7f0000048000), 0x0) 2018/04/06 07:06:14 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:14 executing program 0 (fault-call:3 fault-nth:31): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 520.766917] QAT: Invalid ioctl 2018/04/06 07:06:14 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x80ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:14 executing program 3: r0 = syz_open_dev$audion(&(0x7f0000000340)='/dev/audio#\x00', 0x0, 0x0) ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x1) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_SET_LAPIC(r0, 0x4400ae8f, &(0x7f0000000400)={"472fc90a4f23c1457eb81cbe8736a50538d58dec727d4e0a1d346db54a7922ec60e3549958c78b1c99df2a23b258e399031e79c422817886e5c35a45d67e93e49f038c5d80f5c342954ed954d603ed57902d81657b5464716fcf00a47276786a1a13f1132a465fd378ed1093e9a9874a3baa5b5862b7f3199d59dc9329e77bf44cad80f991b0bc7ab249393637304235b3671211fafeb31b64d6fa548484d97c770612f44a405e52f2f6c333b68b9e3fd16561e3267eee698bdd8eca1989559b90d5b8dd0e8f91d9921220a79fbd34497b7c395f7ebd87ce02ddecb860b22e0de74fa72ed2ec21c18ad59b158b7a0835de0b664e7413b135b5bbb4c715ef2060c09f9a25da18a5daad8ff98f6864b93021a7989310b8afde4ba41a322093a0c0b315aeb0ae2551f0e8f6e7fba4d0d912da6f9b674912551937646b737b8d23357c9076d6b987be2bab41bf82ebcb15f957c402d68bc70cfd480647e6a719b99b7ef28b5e653c6ea0d7e24b5030f13b45097083f7a4b5ef2fb20513cf9a0433729095f4d59d482727f6a267105485e089352e2f7371b0226f19f0bf0ae1a718fec2cf9046f04baf4ef4c5a95d9cad767bb9fde04d2eac68615b4067ad4acc1130012d81747260dcb56d9444f9e0350c77918904377dbbeed14b50a302f0fb5ca4ca6861bf0edae41660419f0415ea0fed65005ef31f895d04dbf02c9a5071fba273f301b543cb40b3b4061fb326f066125fab8a518bde10c6e5c810e7bc1492875f3eab54d41e050892cc74e02e9bea849f1b292593d92bd6cb17f442c795d38c0699a896ac224665340fc5a9c9e88670f81c9ffe4ac705c1ec5d8192f78f645d2821ce51fa4c0d8ab664c4cf1c4d1ff2710bdffddbb4468cd4449895ca53dd9b295d09dcbf2fd2890edd29c6287e9d37910a59165716cf0dea50e73e8ee86a7f8cc18bb06834f3b7bef245960ecffea92b43340c9b54bd1e1ef56a1cd31517918fab100b948e7fe04f6bd45056d2174dda5c86e42c657a7a0e4a286ee15b295924118396e83935a11b8486da323230100bdc795cbec1f649ec5b952489ee6786f378f4a9347ddc4ffb9f24e226efb0cd07d5d727343235cc9143d0383c7b8cf7e7178999e01db7a3d8066fafa4f05e0e04999e29115cec08e67f85d5935ca9d2d3474afb12b59bb6ac662c80bcd0cbb1986de71da95d58fb21e8d6da99e949471092427a16efa2b350e6ece9f7b0bf8604c1b4df0aa92b582fd097e562bd0dd30720bb8e232da42f82bc3f3c66a465b80ac4c553ee144909ed7950a4544bb31ac707e0139e15427b4faad3d309a4e2c1438f97177775323bbd05d9ecafc86a7d9cb6a199490af494006a469b0d0e5a210113a3b5c084bd32e5633b6e558a44a7e2cf32242d538c701d765a7cf4c2e55e875385f4460aa94e92da8f67814b30f3"}) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0xd000) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000000100)=[@in={0x2, 0x4e22, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0x101, @mcast2={0xff, 0x2, [], 0x1}}, @in6={0xa, 0x0, 0x0, @dev={0xfe, 0x80, [], 0x17}}, @in6={0xa, 0x0, 0x6, @empty, 0xfff}], 0x64) ioctl$KVM_GET_IRQCHIP(r2, 0xc208ae62, &(0x7f0000000240)=@ioapic) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x15555555555555fb, 0x0, &(0x7f0000000100), 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_CREATE_PIT2(r2, 0x4040ae77, &(0x7f0000000200)) ioctl$KVM_SET_PIT(r2, 0x8048ae66, &(0x7f0000000180)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1fd, 0x0, 0x8001, 0xfffffffffffffffd}, {0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0xfffffffffffffffd}]}) ioctl$PERF_EVENT_IOC_ID(0xffffffffffffffff, 0x80082407, &(0x7f0000000380)) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_TRANSLATE(r3, 0xc018ae85, &(0x7f0000000040)={0x105000, 0x2, 0x8, 0x0, 0x8}) openat$hwrng(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/hwrng\x00', 0x2000, 0x0) 2018/04/06 07:06:14 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x20090000) 2018/04/06 07:06:14 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0z', 0x0) [ 520.842209] QAT: Invalid ioctl 2018/04/06 07:06:14 executing program 5: recvmsg(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000080)=@l2, 0xe, &(0x7f0000000180)=[{&(0x7f0000000040)=""/131, 0x83}, {&(0x7f0000000000)=""/3, 0x3}, {&(0x7f0000000180)=""/138, 0x81}, {&(0x7f0000000240)=""/233, 0xffffffe5}], 0x4, &(0x7f0000000180)=""/4096, 0x10ea}, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) accept4$inet(r0, &(0x7f0000001200)={0x0, 0x0, @multicast1}, &(0x7f0000001240)=0x10, 0x800) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000788ffc)=0x100000001, 0xfdf6) bind$inet(r0, &(0x7f0000738ff0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f00000013c0)="cf", 0x1, 0x120020003, &(0x7f0000000140)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000000)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x22d3) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000f43ffc)=0xfffffffffffffffc, 0x4) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0x5, 0x7fff}, 0x14) sendto$inet(r0, &(0x7f0000000240)="82", 0x1, 0x0, &(0x7f0000000400)={0x2, 0x0, @dev={0xac, 0x14}}, 0x10) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000001180)='/dev/sequencer\x00', 0x400040, 0x0) mkdirat$cgroup(r1, &(0x7f00000011c0)='syz0\x00', 0x1ff) 2018/04/06 07:06:14 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfc000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:14 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3f000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 521.018556] FAULT_INJECTION: forcing a failure. [ 521.018556] name failslab, interval 1, probability 0, space 0, times 0 [ 521.029882] CPU: 1 PID: 28879 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 521.036723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.046066] Call Trace: [ 521.048649] dump_stack+0x1b9/0x29f [ 521.052263] ? arch_local_irq_restore+0x52/0x52 [ 521.056923] ? __save_stack_trace+0x7e/0xd0 [ 521.061239] should_fail.cold.4+0xa/0x1a [ 521.065287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 521.070377] ? kasan_kmalloc+0xc4/0xe0 [ 521.074248] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 521.079513] ? alloc_fair_sched_group+0x1ec/0x510 [ 521.084336] ? sched_create_group+0x35/0x70 [ 521.088639] ? cpu_cgroup_css_alloc+0xe/0x30 [ 521.093040] ? cgroup_apply_control_enable+0x52d/0xce0 [ 521.098305] ? graph_lock+0x170/0x170 [ 521.102087] ? do_mkdirat+0x266/0x2f0 [ 521.105870] ? SyS_mkdir+0x22/0x30 [ 521.109412] ? do_syscall_64+0x29e/0x9d0 [ 521.113461] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 521.118813] ? find_held_lock+0x36/0x1c0 [ 521.122859] ? __lock_is_held+0xb5/0x140 [ 521.126911] ? check_same_owner+0x320/0x320 [ 521.131219] ? rcu_note_context_switch+0x710/0x710 [ 521.136137] should_failslab+0x124/0x180 [ 521.140189] kmem_cache_alloc_node_trace+0x26f/0x770 [ 521.145288] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 521.150561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 521.156086] ? find_next_bit+0x104/0x130 [ 521.160139] alloc_fair_sched_group+0x266/0x510 [ 521.164796] sched_create_group+0x35/0x70 [ 521.168926] cpu_cgroup_css_alloc+0xe/0x30 [ 521.173199] cgroup_apply_control_enable+0x52d/0xce0 [ 521.178303] ? cgroup_propagate_control+0x5a0/0x5a0 [ 521.183310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 521.188829] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 521.193308] ? cgroup_file_name+0x1f0/0x1f0 [ 521.197616] ? css_populate_dir+0x2a2/0x420 [ 521.201921] cgroup_mkdir+0x825/0x10d0 [ 521.205795] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 521.210545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 521.216084] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 521.221180] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 521.226015] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 521.231557] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 521.237085] ? kernfs_get_active+0xb2/0x120 [ 521.241397] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 521.246145] kernfs_iop_mkdir+0x159/0x1e0 [ 521.250283] ? getname_flags+0xd0/0x5a0 [ 521.254253] vfs_mkdir+0x42e/0x6b0 [ 521.257780] do_mkdirat+0x266/0x2f0 [ 521.261389] ? SyS_mknod+0x40/0x40 [ 521.264912] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 521.269736] ? do_syscall_64+0xb7/0x9d0 [ 521.273693] SyS_mkdir+0x22/0x30 [ 521.277050] ? SyS_mkdirat+0x30/0x30 [ 521.280753] do_syscall_64+0x29e/0x9d0 [ 521.284622] ? vmalloc_sync_all+0x30/0x30 [ 521.288768] ? _raw_spin_unlock_irq+0x27/0x70 [ 521.293257] ? finish_task_switch+0x1ca/0x820 [ 521.297748] ? syscall_return_slowpath+0x5c0/0x5c0 [ 521.302669] ? syscall_return_slowpath+0x30f/0x5c0 [ 521.307584] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 521.312931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 521.317759] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 521.323019] RIP: 0033:0x4552d9 [ 521.326206] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 521.333908] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 521.341169] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 521.348418] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 521.355666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 521.362916] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000001f 2018/04/06 07:06:15 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x5000000) 2018/04/06 07:06:15 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) mlockall(0x1) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_ifreq(r0, 0x89f2, &(0x7f0000000080)={'sit0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) ioctl(r0, 0x20, &(0x7f0000000040)="ed16e076a7c35bf4b181a79beaa2c016a018479eefe2c9fcdfbda4cc2ec0ba61833af16af7fa3dd2927fc5bff86d075bfdc56e503b2565cea204") r1 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0x9, 0x200) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000100)={0x6a7c0bb539e812b7}) mq_unlink(&(0x7f0000000140)='sit0\x00') 2018/04/06 07:06:15 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x60000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:15 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c653002", 0x0) 2018/04/06 07:06:15 executing program 0 (fault-call:3 fault-nth:32): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:15 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000004c0)={0x26, 'aead\x00', 0x0, 0x0, 'rfc7539esp(ctr-serpent-sse2,tgr128-generic)\x00'}, 0x58) setsockopt$ALG_SET_AEAD_AUTHSIZE(r0, 0x117, 0x5, 0x0, 0x0) pipe2(&(0x7f0000000000), 0x4800) 2018/04/06 07:06:15 executing program 5: ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000000)={0x2, 0xffffffffffffffff, 0x1}) ioctl$KVM_SET_FPU(r0, 0x41a0ae8d, &(0x7f0000000240)={[], 0x7f, 0x9, 0x2, 0x0, 0x7fffffff, 0x0, 0x106000, [], 0x5}) r1 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r1, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000400)={0x0, 0x2}, &(0x7f0000000440)=0x8) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000dacff8)=@assoc_id=r2, 0x54) sendto$inet6(r1, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f000098effc), 0x4) writev(r1, &(0x7f0000447ff0)=[{&(0x7f00008889ff)="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", 0x601}], 0x1) recvmsg(r1, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[], 0x0, &(0x7f00000000c0)=[{&(0x7f0000000040)=""/96, 0x60}], 0x1, &(0x7f0000000100)=""/169, 0xa9}, 0x0) writev(r1, &(0x7f00002f7000)=[{&(0x7f000069b000)="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", 0x201}], 0x1) recvmmsg(r0, &(0x7f0000005380)=[{{&(0x7f0000003e40)=@ax25, 0x80, &(0x7f0000000480)=[{&(0x7f0000003e80)=""/4096, 0x1000}], 0x1, &(0x7f0000005280)=""/209, 0xd1}}], 0x1, 0x0, 0x0) close(r1) fremovexattr(r1, &(0x7f0000000200)=@random={'security.', 'md5sum$bdev-,\\security\x00'}) 2018/04/06 07:06:15 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1500000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:15 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:15 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x0, 0x0) r1 = gettid() perf_event_open(&(0x7f000001d000)={0x10000000000002, 0x70, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x3, 0x0, 0x4, 0xfffffffffffffffe, 0x0, 0xfffffffffffffffd}, r1, 0xd, r0, 0x0) signalfd(r0, &(0x7f0000000080)={0x200}, 0x8) futex(&(0x7f000000cffc)=0x4, 0x800000000008, 0x0, &(0x7f000000b000)={0x77359400}, &(0x7f0000048000), 0x0) 2018/04/06 07:06:15 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x933) 2018/04/06 07:06:15 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile06', 0x0) 2018/04/06 07:06:15 executing program 4: getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000280), &(0x7f000005c000)=0x8) r0 = syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0x0, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000600)='/dev/vcs\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r2, 0xc0105303, &(0x7f00000000c0)={0x0, 0xc3de, 0x5}) r3 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x5, 0xc00) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'sit0\x00', 0x0}) sysinfo(&(0x7f0000000500)=""/46) arch_prctl(0x1005, &(0x7f0000000540)="45827a7e82ab") vmsplice(r2, &(0x7f0000000b40)=[{&(0x7f0000000640)="97df2ecb5f5c0be44f280070fd279f06855f9765b58acacb4c506fd3e46b194b67e92770bc49f3c54f9f66ae0bafd3c659b92e060764b3ca0f72cc0824aca55c21767756940d9fcf7341744705e530cd8a781fb07dd6009607a27ef620828916f33a75a93f4e1e4dcd297fe963086384db318096a727b0c6386b828d783b5ad24f75138109cbcc36ee33631932eb170ee1fc7eccb0ce440fae4366494738a693e49043df6ea99479b0d485c6187c402007d0648a7f4d4a88d0e3ee7d195cf67b0e8fa765", 0xc4}, {&(0x7f0000000800)="4fc06552a73a6b89a679ac75f8cd437064fdf9968bd2a90b31c496c3c04ef31dc604fff95ab8754aa46432443a46281d59d8bf02aeab41c837c2fa49e84aaf27f834f2a942ad26ca9a57b41bbba0c92abfb3af7f40677f6c0ebbbeabddf7805e2fa403347e25e6886840b1233816948d6751d3fe70f4e5d185263b9596dd3c5efad866837e48eb47cee00fc7ad1cf7d52e7978dd37dcbf63d6cd3ea2a3f237d969f149c0d272691e4f616726e90bdbe873d0bcac46fd7856878beb862fec2e5a217fe4f8e4d5a37f7f0b3b7a2f44f8d2", 0xd0}, {&(0x7f0000000980)="deba5541c5fbc49d0d7ada2554ad05267a8599c38aecaaf065c7064c47667962346cd14bb872d80980dd1c6c70d4fb2136925809a3977a208d8b9a438c99e96a13a5205f7215217b38ff96c78407e36ed67405fbf73dca5efdb35921f300599e4f9fce9d42f1ecc2bb8b140a9f07b894b00ef1f88bbe3894ac74ff23dc26c585be941920fe1180004285e3be0d50b4db62f4d016521ccd63455d16a7e18750a2dd5197615b50eadb94e30b2b3847ab64f446bebce1a27d0de7b3a07b40b33882666556fa622fd011ba62bbaf6d39e939ec6604", 0xd3}, {&(0x7f0000000900)="33dfbe853156ba466aa33c96cc536387a4bd07d94c65b6adf4840edbd3309350041c32b90f6ba67b5e0ecbdfe8c7eccc74b2cc77a04e5b046712d02044", 0x3d}], 0x4, 0x1) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000140)={@mcast2={0xff, 0x2, [], 0x1}, 0x8, r4}) r5 = socket$inet6(0xa, 0x40000080806, 0x0) ioctl$PPPIOCGFLAGS(r3, 0x8004745a, &(0x7f0000000200)) sync() fcntl$notify(r1, 0x402, 0x27) getsockname(r0, &(0x7f0000000440)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f0000000300)=0x80) listen(r5, 0x20000003) readv(r3, &(0x7f0000000400)=[{&(0x7f0000000300)}, {&(0x7f0000000340)=""/171, 0xab}], 0x2) connect$inet(r0, &(0x7f00000005c0)={0x2, 0x4e21, @rand_addr=0x7}, 0x10) rt_sigpending(&(0x7f0000000240), 0x8) r7 = socket$inet6(0xa, 0x6, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r3, 0x4018aee2, &(0x7f00000002c0)={0x0, 0x6, 0x7fffffff, &(0x7f0000000280)}) ioctl$sock_proto_private(r6, 0x89e1, &(0x7f0000000b80)="583c3eb9c35eee991023bc90ff9cb3790dd24dba6be2065c4491abf6451113d1f62f4e167b1ea6d1cc8e3313c2d9587318994cde776a356e168a2dbfeffb743daf053f86ac8c61039565f5bcb0f272d6efc438df3f5f4678c8df06c7da17d03aeb5e066c102ebf01a288e142a2667c4be0cab0cc9fc474bc1c38a59cb5b4f09f6d79540671a3fcdb04d0fc5fd800d045de32c999b53baa99799155be86f0d38651b954c5453f041d064c2f6992c0373e56885c5463da7da39f83b1ad324cf2b19ebc5d35971e3b502f31cb85eb3fbf37932490d1dd") keyctl$join(0x1, &(0x7f00000004c0)={0x73, 0x79, 0x7a, 0x0}) close(r7) r8 = accept4(r5, &(0x7f0000660ff4)=@nl=@unspec, &(0x7f0000000040)=0xf5b19b4c0b1ce647, 0x0) setsockopt$SO_BINDTODEVICE(r7, 0x1, 0x19, &(0x7f00000007c0)='ip6tnl0\x00', 0xfe0b) recvmsg$netrom(r8, &(0x7f0000000940)={&(0x7f0000000180)=@full={{0x3, {"cc71a2b0fc7562"}, 0xb81d}, [{"ca656386e14354"}, {"7876c075e97b96"}, {"4de983d35ba1d7"}, {"f6e8d540853f18"}, {"7af8c779376ac1"}, {"6e48af09618b41"}, {"cbed916ce34e67"}, {"83eff6f7aab7bc"}]}, 0x27, &(0x7f0000000580), 0x0, &(0x7f0000000bc0), 0x0, 0x20000000}, 0x0) 2018/04/06 07:06:15 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000783000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f00000004c0)={{0x80}, 'port1\x00', 0xa9824f69d1376633, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x8}) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000006c0)='/proc/sys/net/ipv4/vs/lblcr_expiration\x00', 0x2, 0x0) ioctl$EVIOCGPROP(r1, 0x80404509, &(0x7f0000000400)=""/110) syz_mount_image$reiserfs(&(0x7f0000000000)='reiserfs\x00', &(0x7f0000000040)='./file0\x00', 0x800, 0x4, &(0x7f0000000300)=[{&(0x7f0000000080)="925ccc47c714ea042b1882261ad6874c9089fe75da2e759397807d9694edc99fd8b1565af79ffae751c414ea9ea8f430caa1dfdcfc035e0c216a12942360668e46e123b20f8fce82c69042796d0a0a4933648b30e9262716307be664dc5282f19b80", 0x62, 0x10000}, {&(0x7f0000000100)="8af7f54d6de6535479aff10e002a13b84fd4e214d43b9f36b0dc6977f688add9d3d2590db5e1144748ab844059c4f861c45701781449b6197c577022f2d7de20fd354f911f042177fe1fb8ce7f65318c6a27d77cb5d0ce7d9078265584ef3d7297a668b8ac9cb848ae23578a", 0x6c, 0x2}, {&(0x7f0000000180)="e16c095253a0bd70e523e6c30cef7f1263b830ea70a783f9e8343b0b6972287477ff4404244d783fd7e38b356beb9261a80b73b566cca13aae1fbaa519256b58ca6f35110a048519571cbc2ee01d3b3d533ce39b96555e47dd624d44c017a11382decf48fea5194d880c1cfe127d8ccbf483318ce34d780f7c78463d8328f306dabfcfb9b96a11397adb5fb94d8bc68f85d8a1fcce13fcca84002ce9c0256047991969c76f3af9391e06f90135d17062d57051662903ddc0753e6bd418b6744d5042f2478e4737ccfbce1a25bb86e6b84413d46540285a49be6a435610536d1f066ff58cdd9c6b632dc1e550c25c", 0xee, 0x8}, {&(0x7f0000000280)="e9db4f97790f05392f6f1b143b4fdad4956586c90829be0288169cd1b96014177654c4f69a9cbaa98d2277c10e0280500afed4ac56c0a3027bbfed75d48507dcfccc67f3220478b5aef37b4f4b1b89efbd00", 0x52, 0x832}], 0x0, &(0x7f0000000380)={[{@hash_r5='hash=r5', 0x2c}, {@grpquota='grpquota', 0x2c}]}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000700)='./file0\x00', &(0x7f00000005c0)="faa13cef", 0x202004, &(0x7f0000000600)="e5c3e8b0953f24677d7155064e0ddc620b6042b8e0ec67ef6ef739ca225b7c4e777aad246ef46a7ee87eaed40ffff08e4933694f16f63d7d131a6b486593c33bff98484db6ec4f44c032655b2fe1575b8c25ac1a7820f223e44ba0a2ebc20bc70470e5cf1caf5eee4261c29b4a626c745649e1564b5d712eebf8081131fea096ecaa8999b7b80e7097b31203427521f131ee1cde110b0962edb7644c6d9e4acdaacb30f2ac35198c73") socket$bt_cmtp(0x1f, 0x3, 0x5) 2018/04/06 07:06:15 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f0000000000)={&(0x7f00008dd000)=ANY=[], 0x0, &(0x7f0000000b80)=[{&(0x7f00000009c0)='n', 0x1}], 0x1, &(0x7f0000000180)}, 0x0) getpeername$unix(r0, &(0x7f0000000180), &(0x7f0000000100)=0x6e) recvmmsg(r1, &(0x7f0000000a80)=[{{&(0x7f0000000040)=@hci, 0x80, &(0x7f0000000800)=[{&(0x7f0000000bc0)=""/4096, 0x1000}, {&(0x7f0000000280)=""/206, 0xce}, {&(0x7f0000000380)=""/44, 0x2c}, {&(0x7f00000003c0)=""/91, 0x156}, {&(0x7f00000000c0)=""/55, 0xfffffffffffffdde}, {&(0x7f0000000540)=""/209, 0xd1}, {&(0x7f0000000640)=""/147, 0x93}, {&(0x7f0000000700)=""/244, 0xf4}, {&(0x7f0000000480)=""/3, 0x3}], 0x9, &(0x7f0000000500)=""/21, 0x4, 0xfffffffffffffffd}}], 0x60, 0x0, &(0x7f0000000b40)={0x0, 0x1c9c380}) 2018/04/06 07:06:15 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x934) [ 522.292333] FAULT_INJECTION: forcing a failure. [ 522.292333] name failslab, interval 1, probability 0, space 0, times 0 [ 522.303716] CPU: 0 PID: 28940 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 522.310570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.319913] Call Trace: [ 522.322491] dump_stack+0x1b9/0x29f [ 522.326106] ? arch_local_irq_restore+0x52/0x52 [ 522.330764] ? __save_stack_trace+0x7e/0xd0 [ 522.335079] should_fail.cold.4+0xa/0x1a [ 522.339128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 522.344216] ? kasan_kmalloc+0xc4/0xe0 [ 522.348093] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 522.353356] ? alloc_fair_sched_group+0x1ec/0x510 [ 522.358183] ? sched_create_group+0x35/0x70 [ 522.362488] ? cpu_cgroup_css_alloc+0xe/0x30 [ 522.366884] ? cgroup_apply_control_enable+0x52d/0xce0 [ 522.372146] ? graph_lock+0x170/0x170 [ 522.375929] ? do_mkdirat+0x266/0x2f0 [ 522.379711] ? SyS_mkdir+0x22/0x30 [ 522.383242] ? do_syscall_64+0x29e/0x9d0 [ 522.387292] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 522.392644] ? find_held_lock+0x36/0x1c0 [ 522.396701] ? __lock_is_held+0xb5/0x140 [ 522.400765] ? check_same_owner+0x320/0x320 [ 522.405075] ? rcu_note_context_switch+0x710/0x710 [ 522.409996] should_failslab+0x124/0x180 [ 522.414056] kmem_cache_alloc_node_trace+0x26f/0x770 [ 522.419149] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 522.424520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 522.430044] ? find_next_bit+0x104/0x130 [ 522.434103] alloc_fair_sched_group+0x266/0x510 [ 522.438763] sched_create_group+0x35/0x70 [ 522.442895] cpu_cgroup_css_alloc+0xe/0x30 [ 522.447119] cgroup_apply_control_enable+0x52d/0xce0 [ 522.452220] ? cgroup_propagate_control+0x5a0/0x5a0 [ 522.457225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 522.462751] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 522.467234] ? cgroup_file_name+0x1f0/0x1f0 [ 522.471550] ? css_populate_dir+0x2a2/0x420 [ 522.475866] cgroup_mkdir+0x825/0x10d0 [ 522.479764] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 522.484509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 522.490040] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 522.495130] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 522.499959] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 522.505484] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 522.511009] ? kernfs_get_active+0xb2/0x120 [ 522.515322] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 522.520064] kernfs_iop_mkdir+0x159/0x1e0 [ 522.524196] ? getname_flags+0xd0/0x5a0 [ 522.528159] vfs_mkdir+0x42e/0x6b0 [ 522.531688] do_mkdirat+0x266/0x2f0 [ 522.535306] ? SyS_mknod+0x40/0x40 [ 522.538835] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 522.543664] ? do_syscall_64+0xb7/0x9d0 [ 522.547627] SyS_mkdir+0x22/0x30 [ 522.550978] ? SyS_mkdirat+0x30/0x30 [ 522.554676] do_syscall_64+0x29e/0x9d0 [ 522.558548] ? vmalloc_sync_all+0x30/0x30 [ 522.562680] ? _raw_spin_unlock_irq+0x27/0x70 [ 522.567163] ? finish_task_switch+0x1ca/0x820 [ 522.571648] ? syscall_return_slowpath+0x5c0/0x5c0 [ 522.576564] ? syscall_return_slowpath+0x30f/0x5c0 [ 522.581484] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 522.586839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 522.591675] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 522.596847] RIP: 0033:0x4552d9 [ 522.600027] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 522.607731] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 522.614984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 522.622238] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 522.629493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 522.636744] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000020 2018/04/06 07:06:16 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530fe", 0x0) 2018/04/06 07:06:16 executing program 5: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/enforce\x00', 0x16907e, 0x0) ioctl$EVIOCGBITSW(r0, 0x80404525, &(0x7f0000000280)=""/92) io_setup(0x2, &(0x7f0000000180)=0x0) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x204000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x70, r2, 0x400, 0x70bd26, 0x25dfdbfd, {0x10}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xffffffffffffffff}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffffffffffffca}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0xfffffffffffffffe}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8001}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x4, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e23}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback=0x7f000001}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e24}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8}]}, 0x70}, 0x1}, 0x0) io_submit(r1, 0x1, &(0x7f0000001480)=[&(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000000)="f7", 0x1}]) ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000300)) 2018/04/06 07:06:16 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3f00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:16 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x0, 0x0) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r3, 0x111, 0x2, 0x1, 0x4) ioctl$KVM_SET_VAPIC_ADDR(r2, 0x4008ae93, &(0x7f0000000040)) 2018/04/06 07:06:16 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x928) 2018/04/06 07:06:16 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:16 executing program 0 (fault-call:3 fault-nth:33): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:16 executing program 4: capset(&(0x7f0000581ff8)={0x20071026}, &(0x7f00005ccfe8)={0xf634, 0x0, 0x0, 0x400000000000, 0x0, 0xffffffffffffffff}) r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0xffffffff, 0x0) getsockopt$ax25_buf(r0, 0x101, 0x19, &(0x7f0000000040)=""/216, &(0x7f0000000140)=0xd8) 2018/04/06 07:06:16 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf5ffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:16 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530b7", 0x0) 2018/04/06 07:06:16 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f00000018c0)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000001880)={0xffffffff}, 0x13f}}, 0x20) write$rdma_cm(r0, &(0x7f0000000040)=@listen={0x7, 0x0, 0xfa00, {r1}}, 0xe) write$rdma_cm(r0, &(0x7f0000000200)=@set_option={0xe, 0x18, 0xfa00, @id_afonly={&(0x7f00000001c0), r1, 0x0, 0x2, 0x4}}, 0x20) 2018/04/06 07:06:16 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x932) 2018/04/06 07:06:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f000088cff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCGWINSZ(0xffffffffffffffff, 0x5413, &(0x7f0000000000)) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$VHOST_GET_VRING_BASE(r2, 0xc008af12, &(0x7f0000000080)) write$eventfd(r1, &(0x7f00000000c0)=0x8, 0x8) ioctl$KDSKBSENT(r0, 0x80045439, &(0x7f0000000200)) 2018/04/06 07:06:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0xb) syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0x1, 0x600000) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 523.124180] FAULT_INJECTION: forcing a failure. [ 523.124180] name failslab, interval 1, probability 0, space 0, times 0 [ 523.135447] CPU: 1 PID: 28990 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 523.142270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.151605] Call Trace: [ 523.154178] dump_stack+0x1b9/0x29f [ 523.157790] ? arch_local_irq_restore+0x52/0x52 [ 523.162447] ? __save_stack_trace+0x7e/0xd0 [ 523.166755] should_fail.cold.4+0xa/0x1a [ 523.170798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 523.175880] ? kasan_kmalloc+0xc4/0xe0 [ 523.179751] ? kmem_cache_alloc_node_trace+0x150/0x770 [ 523.185015] ? alloc_fair_sched_group+0x1ec/0x510 [ 523.189847] ? sched_create_group+0x35/0x70 [ 523.194147] ? cpu_cgroup_css_alloc+0xe/0x30 [ 523.198539] ? cgroup_apply_control_enable+0x52d/0xce0 [ 523.203798] ? graph_lock+0x170/0x170 [ 523.207579] ? do_mkdirat+0x266/0x2f0 [ 523.211357] ? SyS_mkdir+0x22/0x30 [ 523.214877] ? do_syscall_64+0x29e/0x9d0 [ 523.218924] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 523.224272] ? find_held_lock+0x36/0x1c0 [ 523.228335] ? __lock_is_held+0xb5/0x140 [ 523.232385] ? check_same_owner+0x320/0x320 [ 523.236688] ? rcu_note_context_switch+0x710/0x710 [ 523.241618] should_failslab+0x124/0x180 [ 523.245681] kmem_cache_alloc_node_trace+0x26f/0x770 [ 523.250776] ? unregister_fair_sched_group+0x5f0/0x5f0 [ 523.256044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 523.261566] ? find_next_bit+0x104/0x130 [ 523.265615] alloc_fair_sched_group+0x266/0x510 [ 523.270286] sched_create_group+0x35/0x70 [ 523.274413] cpu_cgroup_css_alloc+0xe/0x30 [ 523.278639] cgroup_apply_control_enable+0x52d/0xce0 [ 523.283735] ? cgroup_propagate_control+0x5a0/0x5a0 [ 523.288734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 523.294249] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 523.298725] ? cgroup_file_name+0x1f0/0x1f0 [ 523.303038] ? css_populate_dir+0x2a2/0x420 [ 523.307342] cgroup_mkdir+0x825/0x10d0 [ 523.311230] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 523.315971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 523.321491] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 523.326577] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 523.331410] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 523.336929] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 523.342445] ? kernfs_get_active+0xb2/0x120 [ 523.346747] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 523.351483] kernfs_iop_mkdir+0x159/0x1e0 [ 523.355609] ? getname_flags+0xd0/0x5a0 [ 523.359567] vfs_mkdir+0x42e/0x6b0 [ 523.363096] do_mkdirat+0x266/0x2f0 [ 523.366704] ? SyS_mknod+0x40/0x40 [ 523.370226] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 523.375051] ? do_syscall_64+0xb7/0x9d0 [ 523.379024] SyS_mkdir+0x22/0x30 [ 523.382374] ? SyS_mkdirat+0x30/0x30 [ 523.386069] do_syscall_64+0x29e/0x9d0 [ 523.389946] ? vmalloc_sync_all+0x30/0x30 [ 523.394075] ? _raw_spin_unlock_irq+0x27/0x70 [ 523.398553] ? finish_task_switch+0x1ca/0x820 [ 523.403038] ? syscall_return_slowpath+0x5c0/0x5c0 [ 523.407953] ? syscall_return_slowpath+0x30f/0x5c0 [ 523.412876] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 523.418223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 523.423054] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 523.428234] RIP: 0033:0x4552d9 [ 523.431401] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 523.439103] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 523.446353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 523.453606] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 523.460863] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 523.468111] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000021 2018/04/06 07:06:17 executing program 5: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000040)={0x0, 0x58c7, 0x800, 0x6, 0xb77, 0x8, 0x88d8, 0x7, {0x0, @in6={{0xa, 0x4e22, 0x113600000000000, @mcast2={0xff, 0x2, [], 0x1}, 0x9}}, 0x7f, 0xf31f, 0x6, 0x9, 0x200}}, &(0x7f0000000100)=0xb0) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000140)={r1, 0x4, 0x30}, &(0x7f0000000300)=0xc) r2 = syz_open_procfs(0x0, &(0x7f0000fd1ff6)='net/tcp\x00') preadv(r2, &(0x7f0000000440)=[{&(0x7f0000000200)=""/236, 0xec}, {&(0x7f0000000180)=""/73, 0x49}, {&(0x7f0000000480)=""/190, 0xbe}], 0x3, 0x0) 2018/04/06 07:06:17 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x100000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:17 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:17 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000240)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000140)={0x14, 0x27, 0x331, 0x0, 0x0, {0x6}}, 0x14}, 0x1}, 0x0) recvmmsg(r0, &(0x7f0000005f80)=[{{&(0x7f0000000180)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000340)=""/135, 0x87}], 0x1, 0x0, 0x0, 0x1}, 0x9}, {{&(0x7f00000004c0)=@pppoe={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000006c0)=[{&(0x7f0000000540)=""/230, 0xe6}, {&(0x7f0000000400)=""/13, 0xd}, {&(0x7f0000000640)=""/101, 0x65}], 0x3, &(0x7f0000000700)=""/221, 0xdd, 0xb}, 0x9}, {{&(0x7f0000000800)=@l2, 0x80, &(0x7f0000000880)=[{&(0x7f0000001900)=""/174, 0xae}, {&(0x7f00000019c0)=""/201, 0xc9}], 0x2, &(0x7f0000001ac0)=""/106, 0x6a, 0x5}}, {{&(0x7f0000001b40)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000001c80)=[{&(0x7f0000001bc0)=""/168, 0xa8}], 0x1, &(0x7f0000001cc0)=""/209, 0xd1, 0x5}, 0x4}, {{&(0x7f0000001dc0)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @rand_addr}}}, 0x80, &(0x7f0000003180)=[{&(0x7f0000001e40)=""/63, 0x3f}, {&(0x7f0000001e80)=""/4096, 0x1000}, {&(0x7f0000002e80)=""/49, 0x31}, {&(0x7f0000002ec0)=""/221, 0xdd}, {&(0x7f0000002fc0)=""/138, 0x8a}, {&(0x7f0000003080)=""/118, 0x76}, {&(0x7f0000003100)=""/89, 0x59}], 0x7, &(0x7f0000003200)=""/7, 0x7, 0x800}, 0x7f}, {{&(0x7f0000003240)=@in6={0x0, 0x0, 0x0, @loopback}, 0x80, &(0x7f0000005600)=[{&(0x7f00000032c0)=""/4096, 0x1000}, {&(0x7f00000042c0)=""/35, 0x23}, {&(0x7f0000004300)=""/128, 0x80}, {&(0x7f0000004380)=""/10, 0xa}, {&(0x7f00000043c0)=""/164, 0xa4}, {&(0x7f0000004480)=""/101, 0x65}, {&(0x7f0000004500)=""/4096, 0x1000}, {&(0x7f0000005500)=""/143, 0x8f}, {&(0x7f00000055c0)=""/18, 0x12}], 0x9, &(0x7f00000056c0)=""/106, 0x6a, 0x16}, 0x401}, {{0x0, 0x0, &(0x7f0000005e00)=[{&(0x7f0000005740)=""/121, 0x79}, {&(0x7f00000057c0)=""/85, 0x55}, {&(0x7f0000005840)=""/116, 0x74}, {&(0x7f00000058c0)=""/80, 0x50}, {&(0x7f0000005940)=""/214, 0xd6}, {&(0x7f0000005a40)=""/177, 0xb1}, {&(0x7f0000005b00)=""/203, 0xcb}, {&(0x7f0000005c00)=""/14, 0xe}, {&(0x7f0000005c40)=""/222, 0xde}, {&(0x7f0000005d40)=""/166, 0xa6}], 0xa, &(0x7f0000005ec0)=""/192, 0xc0, 0x1}, 0x3}], 0x7, 0x2, &(0x7f0000006140)={0x77359400}) setsockopt$packet_int(r2, 0x107, 0x1f, &(0x7f0000006180), 0x4) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='memory.stat\x00', 0x0, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$KVM_GET_REGS(r0, 0x8090ae81, &(0x7f0000006380)) r3 = dup(r0) perf_event_open(&(0x7f000025c000)={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, 0x4d}, 0x0, 0xffffffffffffffff, r3, 0x0) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f00000061c0)=@assoc_value={0x0}, &(0x7f0000006200)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r3, 0x84, 0x22, &(0x7f0000006240)={0x40, 0x8002, 0x70f2886b, 0x3ff, r4}, 0x10) syz_open_dev$tun(&(0x7f0000006280)='/dev/net/tun\x00', 0x0, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000280)) recvmsg(r0, &(0x7f00000018c0)={&(0x7f0000000440)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000840), 0x0, &(0x7f00000008c0)=""/4096, 0x1000}, 0x0) write$sndseq(r3, &(0x7f0000000040)=[{0x2c, 0x8, 0x9, 0x8, @tick=0x7f, {0x2, 0x7fffffff}, {0xa2b, 0x6d}, @result={0x1}}], 0x30) 2018/04/06 07:06:17 executing program 3: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in6=@local, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@mcast2}}, &(0x7f0000000000)=0xe8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0}, &(0x7f0000000140)=0xc) setreuid(r1, r2) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r4, 0xae60) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r5, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000100)=[@text64={0x40, &(0x7f0000000080)="360f00d167430f3026660f3881b975d2000066470f3a633c060366440f388088003000002e676566400f388081c65500008f082897c9000fc71cc53318000067440f01fc6766470fc6014b", 0x4b}], 0x1, 0x0, &(0x7f0000000140), 0x0) timer_settime(0x0, 0x0, &(0x7f0000000440)={{0x0, 0x8}, {0x0, 0x1c9c380}}, &(0x7f0000000400)) tkill(r0, 0x15) 2018/04/06 07:06:17 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x937) 2018/04/06 07:06:17 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:17 executing program 0 (fault-call:3 fault-nth:34): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:17 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfe80000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:17 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530c2", 0x0) 2018/04/06 07:06:17 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xc00) 2018/04/06 07:06:17 executing program 4: r0 = memfd_create(&(0x7f0000000000)='\x00', 0x2) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x8, 0x7, 0x2, 0x7, 0xbd3}, &(0x7f0000000080)=0x14) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={r1, @in6={{0xa, 0x4e23, 0x10000, @local={0xfe, 0x80, [], 0xaa}, 0xff}}, 0x8, 0x4a9, 0x5, 0x7, 0x8}, &(0x7f0000000180)=0x98) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000280)=@assoc_value={r1, 0x3091}, 0x8) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f00000002c0)={r1, 0x5}, 0x3ea) accept4$ax25(r0, &(0x7f00000001c0), &(0x7f0000000200)=0x10, 0x0) setsockopt$netrom_NETROM_T1(r0, 0x103, 0x1, &(0x7f0000000240)=0x1000, 0x4) socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f00004e4fc8)={&(0x7f000067b000)=@in={0x2, 0x4e20, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10, &(0x7f000043cfff), 0x0, &(0x7f00004e4fa0)=[@sndrcv={0x30, 0x84, 0x1, {0x0, 0x0, 0x20f}}], 0x30}, 0x0) 2018/04/06 07:06:17 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000ff7)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000000)=""/246) write(0xffffffffffffffff, &(0x7f0000000000)="1f", 0x1) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) rt_sigaction(0xd, &(0x7f0000000540)={0xd9, {}, 0x8000000, 0x10000}, &(0x7f0000000580), 0x8, &(0x7f00000005c0)) pwrite64(r0, &(0x7f0000001000)="71f721cd4a3c1ff810dd2b2d18be37e9ce8ad1cf1c5a7589ab036d26873ff250e164de2a67dd287f1ae731d804ab03fcb9b0937bff809ae207d74aa9663d6dac8757fe6fa9bbe36a4916fcf9c2aebf122771f7f1d70320980986d79622d373c609a51599d1cde877859a692f0c37416e8b44636453a870b7adaa0b9967a8ee4338e5d9ae749d30be6f294b290e1179b58f18b9113a995ae2bea61f379916d28c929b3b8a90dd7a3a592df962a9133f63a965d8686133303402f32666b97ac765cfe92bb9ca3e8f03ffda475718edee18cb9e8b1afa51a15df9c5c37719532a8680febdde784be9cfbcb996431ad196e414d2eeaa6442a021f5aab3750d55b2bce43389711013bee90357b478d22b030d5b71389c1bef8dccf5ec1c19aa75a5e2ace5ad8fb86083ab26136ca62fbddc57e8516ab4532fa9e668c6e69fc11db66348493b7dbf5f5fa7799e98a9c2e450e1c2ec1fd1a6b1df01b95e8a046f5a0ea920f77e643c2ebae2419fd6bf29ff924a0ee328b238d327639c1d927d89232d09517105c097b93ef2fb08036ca408cf0389c8a22ca170ef0df146907d9aa9bf3d8812fa53b3ea2432e445c9021b16ec0e521577cbf4f448aa5b23a56d6818053c7957cc319558ae75e46c7976f9708e0025053dd6c6a46218ac3d254d09c90c2103c029c7859aae84e1e5fc6dd54f9ce56bbe312929c7ac0eb7ed6409ec91cf7323c67c126a0191814419ee0c4b41377f098cf1be9e265b34e3ecd1569a402b71a6c9366fb105508805153f1c162953dc986cd07da36148af5c82684bb3bdfb55b84d2864ad816f2b5443ef3459c6bfb280956dc4c9368fd98a8a62d855ad27c1d9e4b96a0dc6aaefdfe48ba2c2a644dc34f1c69abeb2b766e6aec65dfe1b5074afed0d908f6053424bcef696288d20e6bae4ec0540329b45c945b16aaa11b4575a87384ce884db3823ed3f532b5abbe7af7f03d257d3822eb9bbdcecd58edcf5b468af4899dd6bcd45c553b1a5aa869181ddbc20da06105b20ef05e11ee7b3c7e5feb3b174f663d241f867345e837f9b39bdd26461df7c6d2a001c9683a8db2f81a649c106a401053cb1500d1c2cf478d9fc2fdd459a3693756b7fa78713a707683546bbfd2e295b0f2b44ea448859f71031e330c05263494dc98c587041b0d3da564a49c98c300569f3c5831c4aa11027a6f78da64ea264d507b9fc8a0c82a3e509067ed7882092303e02340459ba82331180d5599b929fdcfbfe35186789f0c2e1807ffb425dde7a5354f51ada7339c51aa261bf3946bb09316eb7b3dff1682ff561ac64a0d915e461ef744efaf277447a58dffdc7859496adf1aead3a04dbde2de4400012b5c4cd8f7a06ec67d9ebd8dd1be71cc14008ebd742ddd5d2b4d702869d54d918f80b63245ca9e9eeea3c8f882b542163035419d17601dd1dc107ae3410854e851260b2f40238ac6fb72e44f8723eb54e4e5d29e21fb82522686ed0a52ec436f3101affeee278171513cc0da50b0c606046d69834784eb450a95db83af868ca6ed7442f493761a70d271b920b7f7411759ae8f2cdfcb214ebbdc5d7a4b8618f37d0e77ec413053dc18b8c30d6c8a5a433bd037f02949d752fca604b698031dbaa2498b51b18145f6c43215c925f24e043f2b960e29e08b216302b86ee7e50e22f649bfff865c87e739271fe9dba2be3f379639f463a442175bccc5bfee466a6a7b764782250b455f11738cda5c7a3f2b8789c7394ec79213cdb88d8e66dab476f038cd6e16e6b6af5b86fbbee8bde86755ec251158e06ba9e4645c4c8d414d9fd9c26425825a25c99057187b1066758d1b3cb1c8fe0d8c689656b96f3410c1b201c93227c93c463abb3ea4b8dc608cb464f310a05cf0060cbdcf8cbc0578002c33287cfff69d6d133ece31a8a9e594846db01454be0ba0a833ca8c2dbcc8519127ad69943db18de096496c10682fefcc5ca4552fe6b9b18e4c9f4c17792c5d3ce8ecc2ec3edd925cf27db912e9a41843ef37161417388560f3f1d78a7dc28b011485bac2565ba52542758d27e7b259f859439a2b9f4f0d40117777b041b92b30386aaa1a27b3e9edbf8efdddcd33e02384793607658681bdfe1d91a4e24c3e54f96f3efc78a07549575a1a37b482de48e2b0cbd4599214b5c5de8651d9bf07e5f8a4224408add01ad158abf1ca7d1db5e9133d33307d2dc6075e39e6cf2067a0e95815a9795cc3fa0743e48b2db5dcd5b29076a645969971783b570e8e1a020c352b35566aeb9ef4b086c80f61579e305174b59450146f4933b9a172b0feddf5aa78ef548848d2ac1b181a1351982d3676fa4b9b8fb013a4777353cefcbb8f20cdfca34357683b12cb1d69acd83f22619a42701a711a129cf2cdf15899765b05b8322bb98a31b967d2bd229f71ced9d4af93b29a9d77aa60f19fefc8be00a5c6f6c12feb6be31b1608d484d44a9c0c6700705ac363ff06e683b44595e0eaee826d1fcaf788bb7d55e013e6c79720506d809f6d58dd03d1d84c0fc8f21cb2a5c48292a04230e1895ddcd5b851f487ee4f8c22a895e85ab53bd797188a4824d7993c30a5524e85dc4f3984289660fe4bef2aa08164611b7091b294d24b55d22cdd0e8ffe9d8cfc45e50873ea4fcc667157f86a3c9e46d69573590cc34540aee76802c59a47ee85ddff904c34c1d9368be9325c41ed6204b16902c4875e24134a3f0fb92204d7d5faded31c2c202f896ff423deacf0335d74e8e247c96f14d86b659a173276a7ee3d416b24769b4e3dfac8b5dc96e9b53ad9ed326edaef57d35001821937e04c1b6830ba5da057e89dccf27b4bf106951d7167a554fbfe00a7d8e543d36c9990f64bf9544cd72f4a092eddb97333d2201e1c7157c79e548a222174f33b61c3b48229145dc937a0b476ab0f182cbe4f914e319ac544960a1b2fb826aa263cc049d23874bad574d5be28586c0272481ae8d033ca5cdb291ad29f53455e699d0a04e654c7ebcccc86ce341b0f8dda64583fa1b20bc38ec5c3fed45c6a0c1aae453c16e176cbf4fe8dc26e64d07b3008dac50c4be55dda32f3f240d765415805bb4a260eb8bce75fa503f0f90ccf765f67ab6157730a3a2aaa4a2195a51f592507ebd252257fba572ac6a318ccea4fab929b1727610b1c97279a1c23a531a5311f2297e6e4f55c723c778519d70bcdb4b7a05fcfdfa41e1cad0377ce8aff2e9f487ec0304c750ef1d42d33096337c3edddb3a3834ec7559570a5950ee70fe52cbe13e985ff2e7a5710136406d118b5d5ff4b5ef32aa44d81e5a16a4da1c038082a32bc543a7f4a28d0a62786c89704f990bf40c8cc38f07b65b0acaab57bcd69c0c6562613de4392c03b330cd3d4bbb27a1de6bea0d7a4cee93974089da23e2c9539b8ff8ee18be0ba4bed13d88ca4b096afe152c91dd48f36b2a9f7a11120924750914b8569766093e23e300205d2bc76d6cab7c14d8f32b57730ce078cce13ec63e1465fe6f479f710bb898e0f5bf77bee8145ab2232ffa7d9be0b1b8274978a186906c7bd3fde705e1605560173929323e3f0e9b97caa965fc1b419802dd28c9dab3ea2ebc03e4c26736be2699c1ed2a5f3b912843e7e06bc88a8938a7a3a95bbe0f4fe733df0e3aea05dc4b396dee1f8edc6b85e0959bee3736588fa40a6221aa39fad7854957a736e6cc8fdc14e9d37b414098f7b3839887f0cdaac039e9a870b4a2d09002fb56edf7a6428afaf99eee2d77deb7c982ce26ca8001f368f76fc36fb1c7a1f45835fe47310ca507dbde36b53b4c37785fbea0403be0ec974fa78e8660dae82aa4d6f0b05fa23593b7b17946ba8609291433335838e6ba2ecb15d2b92a39e0a15f0e992305bd1e116439e15ed09eeacb878cb6d1595a8ada12392dff811a020c0c2064e8e865b8b5f6c96645e54a1e023c0b1358b56ae073edcc9329cbdd10921be9748de739fef857dede51e38dd067a787dbc187b4b9ea40aa5081928cceb6944b9c54582e3260cc5ace352000b0a658affd2459f69f4b60189efd2cc04c035d133fd4a6156af085681da7333bb94f1a8e231f96be78d19cd6d77f09918815f656c81e2449e89e1424e1a4a1172ae70d55a6dc68a49556dc37364d205f8328cbb80e94dc0c5e535cad5ff51af59fbf4f6ed9d864358c28aa06a37a5c30efc583c2360dcaab2f85a244b31b49f0e19e86aea09b081c78d29f1d14da849ebf352dc864009584a2e2d0aa81bdc7a586cf34f74e23fe28a0e86500c8da4ce95cf66f465ef45a24a59444114e59905f63f67836c0defafa6edd2b00de1f9b7db1284160ee13791396a8e059780f3ea3d03bea8ef65506b31a3cbf95f2444f52d570d8b34073a27c7330a828bfab33b6bcc9342f2c4e0d8077ab0253eb3bb0f3fe98ac3a105284712fc97e9e58ad98c48bf6685a2e806ca8f392b95f1b07d5f03f9e1282c4e2462f8065fcfb1268a84c796980bfe15256cbec92f9d333308cd5f63822f75a8227a11284766a14a2d300f41e1603ee67248017c07406e659cda03ff7678655a567414a76fb2547e41354e3725d0ab304b78be5182d13f955ebd9f3ddf473a647de931772708e4a8bb83b6841045493e40189ec995193193284689ade04333e7f2fa3307bc69bb504268461bcb40f8799d446bbf43bd397af34798a07cc68e720802f8d258fa44699a5a5a6c55b74b827fa344262bdb313a2491f442f4983b2fc1225c47f75a0f4c3e2391e5cfc8f8599cd2c568569d62740c636c2c9ea981715b3c6356e756898d085cff63ba3bf93c5bd65e51d9511c7238aa956a6e0dde715b96aa14a7198b0fe95a657e725ed434b96ff1ac00f4c7da5f476030db41d133980892bb9ecc80853303c7b4fe81f1cb479c7ed729c146840622004523256d7957c8f719c2892ad1a9587f05a858ba6eb64df12e64dd2a551759b69d9c92528d74da029fa3c0fb89a6d16c101329b4f0eeb73e9f3aaa7dc6aea3c6434fa12e86ff160dd4947b18934282427e94cde0ca3b5bbcbdb816a1612341649e47eeb1d524503cc5e39eeeee0a0151810b66c04f03cf9012d42a37fcb3865dbd48ebf754eab9c16120c3e70da47cfee792798a6b025b30d297f3e7a41ac3f308da35a83e0bd73c19b97b830b89f292c3affaa77110f22a3616e5488344e37f7379b92d30cd9530dc5770d2105c75ae44035d732edc9d4a760e063dcff516a162f9b6661e5c80930c3e8cef8b05bb140373ce16c21b9f8342d0cd704b9472ed5288af872a125a9906b10f4c10004ee176cac60d6443e70212bfb4399830ad52502dc496dec1ae4450fe25f3b4d9eef04e998aa777fa23a3223cd703f446f644fe4f88d1d77b0fdf8605ebe49af6bdf5b7a37e9790cf00820514f2d0b57d5671b8e6fa18473e4ff31c701c94f29661888a7ef31efd4dd2b1cf9713244daba93f30d845cb3e383546c72bc8d2f3806a1a7df2821a477d8983568a62671f542e1adf3ad6518d554552ed4c53543a1c60efce59d2af457267968fc6e2e6764322930f8a3e7caf8419d483205b4ee2dd9f5fc53ab54b9cd401bb6cb798ab06a240c8a2ec4e7d345128e531d01d527be396fc713be20ff2f121f8f9a99100fbee71e7a2ad054f620e7ee66aa96a5a889893d6a78e81ebe30060ac6257dd7174ca95b95f749937690aedfba92c3ac422f2962bd4bf0209503ec35a4545c5f0530c3a1fcb907ace3f808cef31eebd6c47081ebb437031441973e9d6f9475c6ffacd06f318dd00f7ef69c61a449e4fd48a0dfc5c2a0", 0x1000, 0x0) ioctl$EVIOCGREP(r0, 0x40107447, &(0x7f0000000000)=""/174) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000500)) socket$inet_icmp(0x2, 0x2, 0x1) preadv(r1, &(0x7f0000000480)=[{&(0x7f0000000100)=""/235, 0xeb}, {&(0x7f0000000200)=""/19, 0x13}, {&(0x7f0000000240)=""/231, 0xe7}, {&(0x7f0000000340)=""/177, 0xb1}, {&(0x7f0000000400)=""/85, 0x55}], 0x5, 0x0) 2018/04/06 07:06:17 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x29000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:17 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:17 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x300}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:17 executing program 4: perf_event_open(&(0x7f00000000c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x4) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x40, 0x0) setsockopt$packet_buf(r0, 0x107, 0x0, &(0x7f0000000140)="24d01044903fa78294dc8072b02c3de61240de46a9c9e47eb1486836bc202871e7f8c19b83387a1abc55f8d7da7676c30a7e52e3280c8673cd71c8adde8e3630af870e6467f181d85342ee54df0c9335c75eb801cf9ea4162014e254d3d97276c66994e93651ad0dd50067b0005ff922ba9b71158370416dc98d3217bfcaf0328efbf20b0ba2aeeec69bfa74924adc109437fc96488d2b5f08a0a995d294de78c62c00be205c688023f0657876bc7900700dad979b89ccd3240624d457a9d1cc46f5c71cd6bdc6724ec30667", 0xcc) 2018/04/06 07:06:17 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x4000) [ 524.132731] FAULT_INJECTION: forcing a failure. [ 524.132731] name failslab, interval 1, probability 0, space 0, times 0 [ 524.144109] CPU: 0 PID: 29043 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 524.150955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.160312] Call Trace: [ 524.162895] dump_stack+0x1b9/0x29f [ 524.166512] ? arch_local_irq_restore+0x52/0x52 [ 524.171179] should_fail.cold.4+0xa/0x1a [ 524.175228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 524.180317] ? __lock_acquire+0x7f5/0x5130 [ 524.184543] ? graph_lock+0x170/0x170 [ 524.188339] ? find_held_lock+0x36/0x1c0 [ 524.192443] ? __lock_is_held+0xb5/0x140 [ 524.196505] ? check_same_owner+0x320/0x320 [ 524.200830] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 524.205839] ? rcu_note_context_switch+0x710/0x710 [ 524.210763] should_failslab+0x124/0x180 [ 524.214902] __kmalloc_track_caller+0x2c4/0x760 [ 524.219562] ? string+0x21d/0x2c0 [ 524.223005] ? kstrdup_const+0x66/0x80 [ 524.226887] kstrdup+0x39/0x70 [ 524.230068] kstrdup_const+0x66/0x80 [ 524.233776] __kernfs_new_node+0xa8/0x580 [ 524.237916] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 524.242664] ? pointer+0xa20/0xa20 [ 524.246196] ? graph_lock+0x170/0x170 [ 524.249989] ? snprintf+0xa5/0xd0 [ 524.253432] ? vsprintf+0x40/0x40 [ 524.256885] kernfs_new_node+0x80/0xf0 [ 524.260764] __kernfs_create_file+0x4d/0x330 [ 524.265166] cgroup_addrm_files+0x437/0xaf0 [ 524.269483] ? cgroup_css.part.14+0x1f0/0x1f0 [ 524.273966] ? cpu_cgroup_css_alloc+0x30/0x30 [ 524.278462] ? __lock_is_held+0xb5/0x140 [ 524.282517] ? kasan_check_write+0x14/0x20 [ 524.286736] ? online_css+0x259/0x330 [ 524.290527] css_populate_dir+0x1a8/0x420 [ 524.294677] cgroup_apply_control_enable+0x43b/0xce0 [ 524.299780] ? cgroup_propagate_control+0x5a0/0x5a0 [ 524.304784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 524.310308] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 524.314789] ? cgroup_file_name+0x1f0/0x1f0 [ 524.319103] ? css_populate_dir+0x2a2/0x420 [ 524.323417] cgroup_mkdir+0x825/0x10d0 [ 524.327300] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 524.332044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 524.337567] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 524.342660] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 524.347491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 524.353025] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 524.358555] ? kernfs_get_active+0xb2/0x120 [ 524.362863] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 524.367606] kernfs_iop_mkdir+0x159/0x1e0 [ 524.371737] ? getname_flags+0xd0/0x5a0 [ 524.375699] vfs_mkdir+0x42e/0x6b0 [ 524.379229] do_mkdirat+0x266/0x2f0 [ 524.382847] ? SyS_mknod+0x40/0x40 [ 524.386378] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 524.391209] ? do_syscall_64+0xb7/0x9d0 [ 524.395173] SyS_mkdir+0x22/0x30 [ 524.398526] ? SyS_mkdirat+0x30/0x30 [ 524.402223] do_syscall_64+0x29e/0x9d0 [ 524.406094] ? vmalloc_sync_all+0x30/0x30 [ 524.410228] ? kasan_check_write+0x14/0x20 [ 524.414449] ? syscall_return_slowpath+0x5c0/0x5c0 [ 524.419367] ? syscall_return_slowpath+0x30f/0x5c0 [ 524.424291] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 524.429646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 524.434485] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 524.439664] RIP: 0033:0x4552d9 [ 524.442835] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 524.450533] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 524.457788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 524.465041] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 524.472308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 524.479569] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000022 [ 524.486997] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/06 07:06:18 executing program 5: r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x6, 0x20140) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x8000) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0x2, &(0x7f0000000040)=0xc, 0x4) getresgid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100)) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000140)={{{@in6=@mcast2, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@loopback}}, &(0x7f0000000240)=0xe8) r3 = add_key$keyring(&(0x7f0000000280)='keyring\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$get_persistent(0x16, r2, r3) ioctl$sock_ipx_SIOCAIPXITFCRT(r0, 0x89e0, &(0x7f0000000300)=0x2) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000340)={0x0, 0xffffffffffffff00}, &(0x7f0000000380)=0x8) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000003c0)={r4, 0x6}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000440)={0x3, 0xc17, 0x8, 0xb3e, 0x5, 0x800, 0x7f, 0x0, r4}, &(0x7f0000000480)=0x20) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f00000004c0)={{0x8, 0x168}, 'port1\x00', 0x3, 0x40008, 0x4, 0x2, 0x8, 0xfffffffffffffffd, 0x6, 0x0, 0x2, 0x487}) socket$bt_hidp(0x1f, 0x3, 0x6) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) keyctl$get_persistent(0x16, r2, r3) connect$ax25(r0, &(0x7f00000005c0)={0x3, {"562decccc3e832"}, 0x8000}, 0x10) ioctl$sock_bt_bnep_BNEPCONNDEL(r0, 0x400442c9, &(0x7f0000000600)={0x80, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}) ioctl$KVM_SET_MP_STATE(r0, 0x4004ae99, &(0x7f0000000640)=0xb27666b73faddf0b) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000680)={r4, 0x1d, "dde2fa4f9b95639a27360bd02956b92efbd8170cfb619f41a7a38abd55"}, &(0x7f00000006c0)=0x25) getsockopt$EBT_SO_GET_INIT_INFO(r0, 0x0, 0x82, &(0x7f0000000700)={'filter\x00'}, &(0x7f0000000780)=0x78) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f00000007c0)={0x5, 0x3}) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000800)={0x1, 0x4, 0x0, 0x7fff}, 0x8) mkdirat$cgroup(r0, &(0x7f0000000840)='syz0\x00', 0x1ff) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000880)) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000940), &(0x7f0000000980)=0x4) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r5) sendmsg$can_raw(r0, &(0x7f0000000ac0)={&(0x7f00000009c0)={0x1d, r1}, 0x10, &(0x7f0000000a80)={&(0x7f0000000a00)=@canfd={{0x1, 0x4, 0x5, 0x7}, 0x11, 0x2, 0x0, 0x0, "f671a0e2274630930092aeb9e2c8a475cf1f111f31f19edc85023d4c7033de1dd8034214f911a5e1d8ec1facd20c7fd634594f16d5edd6751f56119ef61a0eac"}, 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x44) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x40082404, &(0x7f0000000b00)=0x4) syz_genetlink_get_family_id$fou(&(0x7f0000000b40)='fou\x00') 2018/04/06 07:06:18 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:18 executing program 4: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000800)) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f00000000c0), 0x80000) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000f40)=ANY=[@ANYRES32=0x0, @ANYBLOB="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"], &(0x7f0000000200)=0x2) socketpair(0xa, 0x3, 0x5, &(0x7f0000000cc0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_ADD_CTX(r3, 0xc0086420, &(0x7f0000000d40)={0x0}) ioctl$DRM_IOCTL_SET_SAREA_CTX(r1, 0x4010641c, &(0x7f0000000680)={r5, &(0x7f0000000a80)=""/97}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_NUMBER(r4, 0x84, 0x1c, &(0x7f0000000400), &(0x7f00000005c0)=0x4) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000480)={r2, @in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x10}}}, 0x1, 0x7ff}, 0x90) sendfile(r0, 0xffffffffffffff9c, &(0x7f0000000180), 0x4) r6 = accept(r0, &(0x7f0000000280)=@alg, &(0x7f00000003c0)=0x80) sendto$ipx(r6, &(0x7f0000000bc0)="662df4a093cdd7b35ff6ae42bc7d13930c1fea26aee3a47d99eb39c72fb76601dc87206d4eb86e00240f2194fa63c4e57a634a03fbc5a09ef3dcfb35ce84046ec80043aad86ba46f2e3bf4f8838948f37ed11512a1b49e92bb", 0x59, 0x20000040, 0x0, 0x0) setsockopt$inet6_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000340)="f6fa4b79ba6f6c4c5323e2af43013ecee5c86b06eeb23ef53a19c375a5f79c47658a554390c336a7455599d8f112c413f52eec22356dd4871dd874ff3eeb849bf7f48b056e1ccdd135800a9abba99cc4db4e02cfaac519c0bc3587121524814260ae93745387f031b19f289b21e0", 0x6e) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000001440)=ANY=[@ANYRES32, @ANYBLOB="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"], &(0x7f0000000040)=0x2) openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./file0\x00', 0x400000, 0x4) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000003c0)=ANY=[], &(0x7f0000000240)) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000540)=@broute={'broute\x00', 0x20, 0x6, 0x38e, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000a80], 0x0, &(0x7f0000000300), &(0x7f0000001080)=ANY=[@ANYBLOB="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"]}, 0x406) ioctl$sock_inet_SIOCGIFBRDADDR(r6, 0x8919, &(0x7f0000000140)={'teql0\x00', {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xa}}}) bind$inet(0xffffffffffffffff, &(0x7f00001edff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @local={0xac, 0x223, 0x14, 0xaa}, @dev={0xac, 0x14, 0x14, 0x2b}}, @udp={0x4e20, 0x4e20, 0x8}}}}}, &(0x7f00000000c0)) setsockopt$inet_dccp_int(r1, 0x21, 0x4, &(0x7f0000000100)=0x1ff, 0x4) setsockopt$inet6_buf(r0, 0x29, 0xca, &(0x7f00000001c0)="3ec2e6f6b72e29f50e000000000000232014e9", 0x13) setsockopt$inet6_int(r0, 0x29, 0xc8, &(0x7f0000000000), 0x4) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xca, &(0x7f0000000440)={0x6, 0x1, 0x9, 0x4, 0xcb0b}, 0xc) close(r0) pivot_root(&(0x7f0000000640)='./file0\x00', &(0x7f00000006c0)='./file0\x00') 2018/04/06 07:06:18 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x400000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:18 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x938) 2018/04/06 07:06:18 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:18 executing program 0 (fault-call:3 fault-nth:35): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:18 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000080)={&(0x7f0000ffe000/0x2000)=nil, 0x0, 0x0, 0x0, &(0x7f0000ffc000/0x3000)=nil}) socketpair$inet6(0xa, 0x6, 0x7, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f00000000c0)={0x0, 0x1000, "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"}, &(0x7f0000001100)=0x1008) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffff9c, 0x84, 0x22, &(0x7f0000001140)={0x9, 0x1, 0x0, 0x5, 0x0}, &(0x7f0000001180)=0x10) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f00000011c0)={r2, 0x100000001, 0x6, 0x1000, 0x1, 0x2, 0xffffffff, 0xfff, {r3, @in={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xe42, 0x100000000, 0x40, 0xffff, 0x1ff}}, &(0x7f0000001280)=0xb0) bind$alg(r0, &(0x7f0000d35000)={0x26, 'hash\x00', 0x0, 0x0, 'crct10dif-generic\x00'}, 0x58) r4 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r4, &(0x7f0000000040)=[{0x0, 0x0, &(0x7f0000000040), 0x59, &(0x7f0000000080), 0x371}], 0x21b, 0x0) 2018/04/06 07:06:18 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x600000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:18 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000017000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = eventfd2(0x0, 0x0) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000018000)={r2}) r3 = syz_fuse_mount(&(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) io_setup(0x401, &(0x7f0000000200)=0x0) r5 = request_key(&(0x7f00000000c0)='asymmetric\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='lo!}vboxnet0]self\x00', 0xfffffffffffffffb) add_key(&(0x7f0000000000)='syzkaller\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, r5) io_submit(r4, 0x1, &(0x7f0000000340)=[&(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, r3, &(0x7f0000000240), 0x0, 0x0, 0x0, 0x1, r2}]) r6 = syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0xc0, 0x1) setsockopt$inet6_MCAST_MSFILTER(r6, 0x29, 0x30, &(0x7f0000000380)=ANY=[@ANYBLOB="00000000000000000a004e23a4000000ff010000000000000000000000000001008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000070000000a004e2205000000fe8000000000000000000000000000bbab000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0000010700000000000000000000000000ffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2306000000fe8000000000000000000000000000bb08000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2406000000fe8000000000000000000000000000bb08000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e209b3c0000fe8000000000000000000000000000aa04000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e22fcffffffff01000000000000000000000000000110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a004e2106000000fe8000000000000000000000000000aaff03000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x410) 2018/04/06 07:06:18 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x92a) 2018/04/06 07:06:18 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2900}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 524.956699] FAULT_INJECTION: forcing a failure. [ 524.956699] name failslab, interval 1, probability 0, space 0, times 0 [ 524.968207] CPU: 1 PID: 29086 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 524.975050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.984408] Call Trace: [ 524.987011] dump_stack+0x1b9/0x29f [ 524.990657] ? arch_local_irq_restore+0x52/0x52 [ 524.995345] should_fail.cold.4+0xa/0x1a [ 524.999426] ? fault_create_debugfs_attr+0x1f0/0x1f0 2018/04/06 07:06:18 executing program 3: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x2000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000040)={0x79}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000000a80)={"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"}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/04/06 07:06:18 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:18 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000600)={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(ctr(aes-aesni),ghash-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000040)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000800)=[{&(0x7f0000000340)="d9ec5318496f58e705168fad023e0b967e00f8b5df7227ad8bfeb139cefdd9db0c575f2d969ab5760a89ac6ab1f51b8849d638351d94ff2861c813b2da1459de0a1c6b885c5f67ff182311ac505f169a7fa75c9f1c789d9bcb9125082af9e7f6772c97faa880760e10fa2f39aa", 0x6d}, {&(0x7f0000000400)="a65f7fef2e5bb6d044ff48424f562914f0401214315c8a162a9e8d9a4eef89d59c6fb5748d89fb3efc3f24563a52d008e0c8ec757cc7c54153ccd855c6a0c136d030bacd490bd9f385c48bca233a29756e95607b2b7948a37f3d54acf5dbc199cccbd94b37655ae5fa14961ec993", 0x6e}, {&(0x7f0000000480)="eecbc3b1f4b6e28e5521c3ca7bd1542d3869757a92183448c83e2d25d51868dbe655edcc62140e766d18952e1368d774e6739b058c0d8367bb434199bd2fd3c8fcaa061a26e8c602d8367d4fcb8f612ea4cd4d4d3ca21a09928a708b22ca2955a1fcec3911df4279073a853705bd667f64f73242a24c164e427fdfa6b929661fe2be50b8a0305c201f30a71197b85637cd08b70adda37165f4bf586365f5cb42df8d58408ab19331eb0054411a29cca0d8fbbf64f75a69118af81056472d7dbf064bf7c4d8f47b7d17508113ab195f633ea826a5764c", 0xd6}, {&(0x7f0000000580)="5774e0baa9997933ac97994fb67f5d87015bc4f27a249a23982830d191afea8a1048ca87c3b5a6b2cb5bc7cc56420809d4c0af90925bde69e78202bf483c430eed5dc16d604d6632a6ff967638b3759dc9ec2e939e4cd5e2db57639a64fe9dda49911fb9036a11a940", 0x69}, {&(0x7f0000000680)="622163ca49d90a074800c003e4e3bdcbad20210bc0cea7ab79d3bce00c4bef34c9615eda152cba966b449a57a6dc9d366860b7363469a4bc16cf2239d359514b4b8c12a4fd54580e8ca9f834fd9de2b7069813580aab1ee1e0df959231432467e4a17859e76f7e6cc3", 0x69}, {&(0x7f0000000700)="11548cb6c68e5d1fb1bc92b314061b2e83aaaaf46747c057c16929ae0abda7a743173faea897e051921648a8758a3ea40155db6b3f214df6c2737a52a31a65c30720932b86c8ab6d50a1864a9d1448a4388b63aa3d622e1bc61428", 0x5b}], 0x6, &(0x7f0000000300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r1, &(0x7f0000000000)={&(0x7f0000000080)=@ethernet, 0x80, &(0x7f0000000200)=[{&(0x7f0000000140)=""/170, 0xffffff04}], 0x1, &(0x7f0000000240)=""/148, 0xfffffffffffffe78}, 0x0) syz_open_procfs(0x0, &(0x7f00008f0a07)='pagemap\x00') sendmsg$alg(r1, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000d00)=[{&(0x7f0000000c00)='E', 0x1}], 0x1, &(0x7f0000000d80)}, 0x0) 2018/04/06 07:06:18 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x29}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 525.004540] ? __might_sleep+0x95/0x190 [ 525.008526] ? graph_lock+0x170/0x170 [ 525.012329] ? __mutex_lock+0x7d9/0x17f0 [ 525.016409] ? find_held_lock+0x36/0x1c0 [ 525.020488] ? __lock_is_held+0xb5/0x140 [ 525.024573] ? check_same_owner+0x320/0x320 [ 525.028907] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 525.033922] ? rcu_note_context_switch+0x710/0x710 [ 525.038852] should_failslab+0x124/0x180 [ 525.042912] __kmalloc_track_caller+0x2c4/0x760 [ 525.047574] ? string+0x21d/0x2c0 [ 525.051026] ? kstrdup_const+0x66/0x80 [ 525.054905] kstrdup+0x39/0x70 [ 525.058086] kstrdup_const+0x66/0x80 [ 525.061792] __kernfs_new_node+0xa8/0x580 [ 525.065932] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 525.070676] ? pointer+0xa20/0xa20 [ 525.074209] ? kasan_check_write+0x14/0x20 [ 525.078435] ? snprintf+0xa5/0xd0 [ 525.081875] ? vsprintf+0x40/0x40 [ 525.085316] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 525.089806] kernfs_new_node+0x80/0xf0 [ 525.093687] __kernfs_create_file+0x4d/0x330 [ 525.098088] cgroup_addrm_files+0x437/0xaf0 [ 525.102410] ? cgroup_css.part.14+0x1f0/0x1f0 [ 525.106895] ? cpu_cgroup_css_alloc+0x30/0x30 [ 525.111390] ? __lock_is_held+0xb5/0x140 [ 525.115450] ? kasan_check_write+0x14/0x20 [ 525.119674] ? online_css+0x259/0x330 [ 525.123469] css_populate_dir+0x1a8/0x420 [ 525.127615] cgroup_apply_control_enable+0x43b/0xce0 [ 525.132718] ? cgroup_propagate_control+0x5a0/0x5a0 [ 525.137727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.143250] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 525.147732] ? cgroup_file_name+0x1f0/0x1f0 [ 525.152052] ? css_populate_dir+0x2a2/0x420 [ 525.156369] cgroup_mkdir+0x825/0x10d0 [ 525.160252] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 525.164998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.170530] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 525.175624] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 525.180456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.185984] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 525.191512] ? kernfs_get_active+0xb2/0x120 [ 525.195822] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 525.200567] kernfs_iop_mkdir+0x159/0x1e0 [ 525.204702] ? getname_flags+0xd0/0x5a0 [ 525.208668] vfs_mkdir+0x42e/0x6b0 [ 525.212200] do_mkdirat+0x266/0x2f0 [ 525.215819] ? SyS_mknod+0x40/0x40 [ 525.219350] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 525.224182] ? do_syscall_64+0xb7/0x9d0 [ 525.228150] SyS_mkdir+0x22/0x30 [ 525.231503] ? SyS_mkdirat+0x30/0x30 [ 525.235203] do_syscall_64+0x29e/0x9d0 [ 525.239075] ? vmalloc_sync_all+0x30/0x30 [ 525.243213] ? _raw_spin_unlock_irq+0x27/0x70 [ 525.247698] ? finish_task_switch+0x1ca/0x820 [ 525.252183] ? syscall_return_slowpath+0x5c0/0x5c0 [ 525.257099] ? syscall_return_slowpath+0x30f/0x5c0 [ 525.262035] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 525.267394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 525.272234] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 525.277408] RIP: 0033:0x4552d9 [ 525.280593] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 525.288293] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 525.295550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 525.302807] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 525.310062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 525.317317] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000023 [ 525.324704] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/04/06 07:06:19 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:19 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x1f09000000000000) 2018/04/06 07:06:19 executing program 5: ioctl$DRM_IOCTL_AGP_FREE(0xffffffffffffffff, 0x40206435, &(0x7f0000002000)={0x0, 0x0, 0x0, 0x41369}) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x18}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f00006f4fb8)={0x1, 0x5, &(0x7f0000002000)=@framed={{0x18}, [@jmp={0x5}], {0x95}}, &(0x7f0000003ff6)='syzkaller\x00', 0xea4c, 0x36e, &(0x7f000000a000)=""/195}, 0x48) 2018/04/06 07:06:19 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff00}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:19 executing program 0 (fault-call:3 fault-nth:36): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:19 executing program 3: r0 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x4c, 0x260182) getsockopt$inet6_buf(r0, 0x29, 0x2d, &(0x7f00000000c0)=""/136, &(0x7f00000001c0)=0x88) r1 = socket(0x1e, 0x1, 0x4000000000000000) getsockopt(r1, 0x10f, 0x82, &(0x7f0000000080)=""/4, &(0x7f0000000000)=0x4) 2018/04/06 07:06:19 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000280)=@ipv6_getaddr={0x2c, 0x16, 0x1, 0x0, 0x0, {0xa}, [@IFA_LOCAL={0x14, 0x2, @remote={0xfe, 0x80, [], 0xbb}}]}, 0x2c}, 0x1}, 0x0) socket$nl_route(0x10, 0x3, 0x0) 2018/04/06 07:06:19 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:19 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:19 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x300000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:19 executing program 3: setrlimit(0x8, &(0x7f00000a3ff0)) r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0, 0x12013, r0, 0x0) ioctl$KVM_CREATE_DEVICE(0xffffffffffffff9c, 0xc00caee0, &(0x7f0000000040)={0x7, r0}) ioctl$VHOST_SET_VRING_ERR(r1, 0x4008af22, &(0x7f0000000080)) 2018/04/06 07:06:19 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:19 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0xffffbfffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl(r0, 0x8912, &(0x7f0000000140)="36c21af008c4e124070000000000000000000000bf6303af60e19172264b27ea1875e06b83ad753efbc969987c6e2da44dfed2cf5ea6972047f456d7580f79604095f2cbbc7cc031a8a4fdddee5e163041296dad7041c436fe9172a387bc81ec72df098f8d3eb1b25079efd76d9f98b9c626d6906649c73d71b147f0b90ddbcf5d93765cb733d2b6090f3106e7aeec6b117a3f9e3b") ioctl$int_out(r1, 0x2, &(0x7f0000000040)) sendmsg$nl_generic(r1, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x11801008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x14a4, 0x31, 0x0, 0x70bd2a, 0x25dfdbff, {}, [@typed={0x8, 0x2c, @u32=0x7}, @nested={0xc0, 0x7, [@generic="66b7fca7119dbea3fed274b15991180b37a37a5634708f82ed7eb8599050955f63cd96194977366cb8d63a9050d84db057773a2359536a48ddf38cbf61a4ef73511dfff91ee4d8eca2406a504e0f26335bd40161d1aea6094b4e29e5e48d4f86e14f8ea4d3025db32fba3cfe550739ed28c31b38d4f95df695fdbc1b0b64088d96ff5c1f471dcf29d199a3d5c61ff4c47817951ea6cb359f96ca652185929d747bc8302bfb31efb6e2a7e6c1c0ee05ed6ad08c", @typed={0x8, 0x6d, @fd=r1}]}, @typed={0xc, 0x10, @u64=0x80000000}, @nested={0x8, 0x2e, [@typed={0x4, 0x17}]}, @generic="f33a8fd5aff34e04a90b3c8005135f5048fb9d4e557e995109913c2164d6cd179bf8e21e917928526c32edc57a3eec62712b0cf4f8e7bcf2e5eab8b5215195c445d5ba467a9c088c69ee787a3737611574814d9b3e6ec5f2c55120f383e7b7c39218b98123b1114a5e32b521ae5a00754a13ee685569c3d091fa3d6aa80525088674cefb9e23e056b91f5dbebc4821013082ad60d31e9cfc8fc580d39598158f4fc2517a7c4cb308056b845d725089463dd741db670cc5b16668ffd3170a19ab3f2e230916d3d60c8d4be968c9e4f249dbcfa62895a962cc3cf7fda73283e95f54dbddaa98afe2dca68078636b8d2f08fad8", @nested={0x1110, 0x26, [@generic="4492c4deb8e417261056d6c7663e9a8feb22fb7eab78a419c0797013dec8d3ac562198447341915ae60db296b1db0df0fc2b98245dfc25e434e081cbdbfed93d504aa7e3cd4c944929b5b8a26949974fc9a7bc0b774c2231d409b19acd2d76b2e99d433c754b89120ea702d99434f178a16cc5c34e457378a226c4b1162f5c334b19a3741d879fc2e681cf083475949e1994a7f5052d288befb940ba87b57707337e8db906bc3eb0ab6b4d5407ffa42ce8035d6c424f11db213c275a236a7e7c56", @generic="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@generic="2c8f0d1a3811003fa7ed407d5a858bedd808608cbd6a7418e84e0dc943e3884443156292bf313e86c14bc9d5a4fdcbb82fc1a2d584842c013267ccdffc976daaacd05819f9", @typed={0x4, 0x93}]}, @generic="6aa635b9a8c1c6c682936dbab56f6ed80b9c25f5d3c6f61ccc895cd2fa147c46f40f3f6182b3b5b8deda5066e310d1c072f9f394a1e0c2bbaa81ad5c04c4636258", @nested={0xc8, 0x81, [@typed={0xc, 0x88, @str='&wlan0'}, @generic="b148a3e2e5fe9e457beae0a9d2eb6039209c09800221e5c8ce730d074cf37c13b118147a22b8b86fccf04895dd5ced13be93e69b57c81494f2e5fb7e138570da2638c9e363574e75143262b3aa24ab7f6ffb4a1cf29e4686a92d021cd1d9b6d018f6a7d0bf7aa1709768b92eec565aebb30de522238a55827785bd1682534bbfd2208f36bbe68ec02bc15523e981f2904de391d8f586f0c577bff144bd2358", @generic="2148c3067de3df9eb8e49d", @typed={0xc, 0x6f, @u64=0x10001}]}, @nested={0xa8, 0x6e, [@generic="b22978efa6ef4f67396dbc10e51b8e89b1f06eed8db47bf3d263e7636ab477f4626b09f2920ae69311bba1ec7c5d498bd48aa57f6f63ed482215180d199995ac3ffc351a22c3e265c9bcc48e3b9a3daf869cd0141af95a0d3139cfaea879863c5f8ff9df1c75ee3bb3a6bbb326955d2724cfe15c398424e67354e923607bc83a955ba564f652c663617fcbda0a6edf2ebf6db6f8c1ac82b8b2fed4355fa79f4be1caed4d"]}]}, 0x14a4}, 0x1, 0x0, 0x0, 0x40}, 0x800) 2018/04/06 07:06:19 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x35090000) [ 526.274538] FAULT_INJECTION: forcing a failure. [ 526.274538] name failslab, interval 1, probability 0, space 0, times 0 [ 526.285842] CPU: 0 PID: 29149 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 526.292670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.302017] Call Trace: [ 526.304605] dump_stack+0x1b9/0x29f [ 526.308218] ? arch_local_irq_restore+0x52/0x52 [ 526.312877] should_fail.cold.4+0xa/0x1a [ 526.316923] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 526.322021] ? __might_sleep+0x95/0x190 [ 526.325994] ? graph_lock+0x170/0x170 [ 526.329783] ? __mutex_lock+0x7d9/0x17f0 [ 526.333841] ? find_held_lock+0x36/0x1c0 [ 526.337899] ? __lock_is_held+0xb5/0x140 [ 526.341949] ? check_same_owner+0x320/0x320 [ 526.346265] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 526.351275] ? rcu_note_context_switch+0x710/0x710 [ 526.356194] should_failslab+0x124/0x180 [ 526.360255] __kmalloc_track_caller+0x2c4/0x760 [ 526.364917] ? string+0x21d/0x2c0 [ 526.368359] ? kstrdup_const+0x66/0x80 [ 526.372240] kstrdup+0x39/0x70 [ 526.375424] kstrdup_const+0x66/0x80 [ 526.379128] __kernfs_new_node+0xa8/0x580 [ 526.383273] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 526.388031] ? pointer+0xa20/0xa20 [ 526.391567] ? kasan_check_write+0x14/0x20 [ 526.395793] ? snprintf+0xa5/0xd0 [ 526.399233] ? vsprintf+0x40/0x40 [ 526.402682] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 526.407167] kernfs_new_node+0x80/0xf0 [ 526.411053] __kernfs_create_file+0x4d/0x330 [ 526.415464] cgroup_addrm_files+0x437/0xaf0 [ 526.419792] ? cgroup_css.part.14+0x1f0/0x1f0 [ 526.424292] ? cpu_cgroup_css_alloc+0x30/0x30 [ 526.428790] ? __lock_is_held+0xb5/0x140 [ 526.432838] ? kasan_check_write+0x14/0x20 [ 526.437061] ? online_css+0x259/0x330 [ 526.440848] css_populate_dir+0x1a8/0x420 [ 526.444983] cgroup_apply_control_enable+0x43b/0xce0 [ 526.450073] ? cgroup_propagate_control+0x5a0/0x5a0 [ 526.455084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.460615] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 526.465091] ? cgroup_file_name+0x1f0/0x1f0 [ 526.469414] ? css_populate_dir+0x2a2/0x420 [ 526.473730] cgroup_mkdir+0x825/0x10d0 [ 526.477630] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 526.482381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.487903] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 526.492990] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 526.497825] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 526.503367] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 526.508907] ? kernfs_get_active+0xb2/0x120 [ 526.513226] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 526.517967] kernfs_iop_mkdir+0x159/0x1e0 [ 526.522102] ? getname_flags+0xd0/0x5a0 [ 526.526070] vfs_mkdir+0x42e/0x6b0 [ 526.529600] do_mkdirat+0x266/0x2f0 [ 526.533217] ? SyS_mknod+0x40/0x40 [ 526.536742] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 526.541567] ? do_syscall_64+0xb7/0x9d0 [ 526.545533] SyS_mkdir+0x22/0x30 [ 526.548879] ? SyS_mkdirat+0x30/0x30 [ 526.552580] do_syscall_64+0x29e/0x9d0 [ 526.556446] ? vmalloc_sync_all+0x30/0x30 [ 526.560580] ? _raw_spin_unlock_irq+0x27/0x70 [ 526.565073] ? finish_task_switch+0x1ca/0x820 [ 526.569569] ? syscall_return_slowpath+0x5c0/0x5c0 [ 526.574588] ? syscall_return_slowpath+0x30f/0x5c0 [ 526.579507] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 526.584880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 526.589721] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 526.594894] RIP: 0033:0x4552d9 [ 526.598065] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 526.605756] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 526.613008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 526.620273] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 526.627527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 526.634781] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000024 [ 526.642381] cgroup: cgroup_addrm_files: failed to add weight.nice, err=-12 2018/04/06 07:06:20 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:20 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text16={0x10, &(0x7f00000000c0)="3e0f01baf17fdd12baf80c66b8ddb8378966efbafc0cec0f0f0e0200a6660fc60ecf00990f0058fc0f21f6260f225c642e6576c70f06", 0x36}], 0x1, 0x0, &(0x7f0000000080), 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x400000, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffff9c, 0xc0106426, &(0x7f0000000240)={0x200000000000015c, &(0x7f0000000200)=[{}, {}, {0x0}]}) ioctl$DRM_IOCTL_SWITCH_CTX(r3, 0x40086424, &(0x7f0000000180)={r4, 0x3}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000001c0)=ANY=[@ANYBLOB="02000000009c0300000000400000000000470f000000000001000040735ba4b345"]) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x501000, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x6, 0x10}, &(0x7f0000000280)=0xc) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f00000002c0)=@sack_info={r5, 0x1, 0x20}, 0xc) 2018/04/06 07:06:20 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(ecb-camellia-asm)\x00'}, 0x58) r1 = syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0xa4, 0xa0100) syz_open_dev$admmidi(&(0x7f00000001c0)='/dev/admmidi#\x00', 0x4, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000140), &(0x7f0000000180)=0x4) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7295df0df8217ad4000000000000000e6", 0x20) r2 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000002c40)=[{0x0, 0x0, &(0x7f0000002b40)=[{&(0x7f0000001600)="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", 0xbce}, {&(0x7f0000002640)="819d9cec9a5bce61fcaa1232d966f09eb2068e6c7232cc05c150ecbd9fb15c7d6660be93d62d4cf2707bde4c8b67451e8bd0f1a6d96c563a691c4bb2ae9dd97746a20a6520ec4dabbfcff715a4a1166e12aef0d24602235daf9248d9ca8fe08faba2ce03313f95980c6731964b0399b7d766f7e00a117a2cf07cdc80c38c8f6f9d00fa6e69f232c01bc4dbbca563e026d84bfb92d5027a99640f727c6639b575d3080e1e926bc7b3c81d32f0db4fbfda8c424d8dba38de505d0801c44b31e615c3bf42386f0d03bb91cab6112e8718c7cdb4321089d7ebe033a69ce43f3f407399138766150ce28ea4cc70cda5e811", 0xef}, {&(0x7f0000002780)="d15710169efa01454eab79a9c473739f8ce8c0a708e037294fbf129f36d14e33f59b26630ff39db9b5447175efaa1df797846b7360d43480ee548ff403dfe15bf2b85991ed3f1774d215bb49ce01494df04846c94dcdcc4dab7791ba8eae7148227bf17bcdb71e79210c78353c7ce8ea7d22680ffa732976a20cc85b9fe9095fd498c4ef35f659bd49dc3578be2d8a22fa049033e0afc118209017", 0x9b}, {&(0x7f0000002900)="1e5425bf44a9b6926fc9f1bf460636b2efef4ec27bd435bf34512791abd0809f31e2f464c67d803c2b4b5de27d49527777c9515288fc17e7420a545dafee6ed14a60e715536946c2ffa79c3602e5b760b1d5a549b02254048e", 0x59}, {&(0x7f00000029c0)="5405d15b6206e480c7a68439796d5feb66573c843ba93e752c4732472c6d49ea8921049ffdaee774723e376fa7cbb4c8c4b288ab69eb41e0351fa838e4133d6994a1df600c635484161097659aacb40df0d6605d23dee2524f8da9ab13a927d5", 0x60}], 0x5, &(0x7f0000002c00)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18, 0x80}], 0x1, 0x0) recvmsg(r2, &(0x7f0000001440)={&(0x7f0000000000)=@sco, 0x80, &(0x7f00000013c0)=[{&(0x7f0000001480)=""/171, 0x1c5}, {&(0x7f00000003c0)=""/4096, 0xff7c}], 0x2, &(0x7f0000001400)=""/6, 0x6}, 0x0) 2018/04/06 07:06:20 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:20 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x27e) 2018/04/06 07:06:20 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000100)='/dev/loop#\x00', 0x8001, 0x4000000000408900) ioctl$LOOP_SET_DIRECT_IO(r0, 0x401870c8, 0x0) r1 = syz_open_dev$mouse(&(0x7f00000002c0)='/dev/input/mouse#\x00', 0x9, 0x103203) sendmmsg(r1, &(0x7f0000003e80)=[{{&(0x7f0000000300)=@vsock={0x28, 0x0, 0x2711, @reserved=0x1}, 0x80, &(0x7f0000000000)=[{&(0x7f0000000380)="f32d1335badb9648844cc8f73aac1e817366a196030e064365c97850eac90e6840a259facc1fc13200f61a27761258e817e0ca1c48bbf201fd5b31d55eb4db8f754a1910c410a2f30c2b6179cc2358269ed09d44e7d02874e1631925e987022c2d6b79c2ad793bb61de510ba986ac000ab0f281d496a218acada9120df63f79316fc179143dd1bf70c41dff5ac0e8db0a4a72dcc37ae50dbd0671cf2cebfd9c566639a4196a864c35bf6df3d29bb7b66dcbd73008dd8965f06f82e545c86b6c9f4e7361a0723f4779f8b9532dbb91ef04e200e3b98aa57ed158b67e39112b541fc2c813c8411cc68cdb0207d48ffe3d65204d5f6f2dc90b6069e77ba3dbcb501fba3b122b44a0e3ff85623a0a4bd748f686291017eddf0af559de55ea47aa8549c962a84fbcdcacbd2a163b6ff7066df7c5b9cb308fd5891e1a86fa164d5a151c83356b857fc62adb523f18efc8383bcebafcf3df637648b166ca729b4627efe8a952363a84850f34eebd2f854a8f5b825ee17fb7b607810eb7d8daf057934ae4eb4a7cafbd044c402316d55b3d9fce5bf1301944d9b937f44f01a1d535499d9dd0e68c52bc82c5ca6803c719248431f93aaa1183230d3ac8d90e51cfb0d96b1d729eee67b47e4f750b63f2992c2b05c8799770650dc0bab0113c11e0275db71d15b859bfc3cbfd87a472d6568349097e8ad75461070773c5745621c07691e7df010eaa26b091f8267771b60b923146ef39d3f617889c570169e7b43aff61493a2a287655e9f0ba2ee598b46ea6d872ee68ab302e2a78a95d0c15fb1a968d5de00f759a5e0d6a08b5425f2caeb5cdfb3f804548f0bf5083d730c3cd978e66c76eaffe589198d80e9d8df64e1d5d3e3f1642c2b2771af8cb6bcc73bbcc26210355a7ee9e31b3c93780706a404c15d624b8e19d0f086edd241203306cc098f697230d823c5a4ef8f9faba56ae740ab7b38aa7a534f95543d0ec0c0a625f89474718a0c6c4e926ee7f1919d4a7d86bc0e41c0ff4637519cd2afd2e1d71e8d8955c6589e2abbe46cd317ede0096d2c90257f19fe27bd494c18903f9639fc2541f9f7fa82ef0cee7534d33337828cd883cffb3a6411787a0269257a95cb78e670ed08562ab847846d0065fbacd056fccde663b4b0de1f0fb58c202e553d1c589fae835b67c63714af0f5846f03fa7b08c3e27e3d5ee4b82708ca729ccdf3087a05ddb56aa2608da1935009397ade196ed76d5d97b0163660a3dd587be3d085c7e2780888eb026f43b7b5e57207d3b2d28418d90f632f1e074ce742176a708d963af2b7fe4d228ece99b876511c2034f8d4b5521ff161afd097ba50c52cf1e49beaa06cdcdddfb98e6478bf992b9faceee4c9960a108e8af0a7fd26e1f4d4ff7bb6a5df668ca41089561d4e03f378bf88a6e14d95a32775777ec170807fe5cc2c669038e81c3538676a9bf117c07cb4469618da19b9b213dc221c16318537e996e34a724294b8cbf5ff9b9dcb9bf5d3a96cc74a2ce3009238f180279bccad3ccd83fb7be3a4bdb5ccf8d07675bbba550e8379731d1add7a88ceb679ea80d4711cf092f38cd775a55a1f3f41e452c99539b0e5179960b9f929f8a4b9f0fdb5cd7ab81187860e15f0272ad2b2f12042775e3ac0d0a3b9193ce7ed14b20b7d127a402074285ea9c12c88100239a13419265b916a82fd374dd1ef4260f93a2eb3beabc04365406892fa87df353857134a4f22db00f32f8f44fab249c0453354e7b5dde23a71849852325428286d913230ead5906f976c658512fdad78108e70c401a61fc9eedfd20d767e61697bc73ef3e083dfe137ee1d159a7c384697fb8a10060b9daec990eea2d9024b3b35fad95da3ba8b0f5a76b619c29920ecb9bb4d84de6905d2512cd891476f6a705e3822af763f15758b6e6f895277560cd9ea158e1e74adf311a20dd9c4cdc601e9e2034e5cae1ca44944945f25cbec76d89e9bd130940a4657b31dd8f0c930585f77065d72abe0e36c85680f0148f92db816d2f5cc724660775d173a643ded7173c605f82b3e229ea1773361e8355292aef7a43c833c3946d5255dc4ef753f5b9a7418381296091ddb2566af039e5537a11c279902219ad399ee31fe88b2683f325d0717ba49f6cb49e4a3b6697f3b6a4fd801cfd725d8486de48ee443aca613d93cbea5cce65b61d9e03171ee1e28c23ea8c9138fdb243cce05bdd6a3fee4f7dfb39b36fefac533b8da1f699380ff722d2acfd8c95a605a65d72ad69328b67ee0bd23fd0d755a536804444e18b620daf0de1deedbdcdf5e6da79397e0bd1347149a56d9d4a48d780cdb5411b5e6e9dc437f29fce53ff89ef6ddfd605515577a3274947f8a9d5b44633ac3b001f25957e42c24331b06a75cc701331ddc0a296fa373d127f45febc97d822a81b322e4575bf49a77152bd1262b78fcd8bc07649476f1c13976442140d035df56eed819f94c9829d5b2caa78093e93b56c62e711838c16eaef74cf27b8742f77ee675c71a4abf6f7157eabe1f29e3a5d04e8971651b73e1381b68905b45952260d3961daf5df7e06d518d29c0b242832bf9bd43511941e308465adc176c5d4ab898fdbf3a2b34ab5114e13546b8413c51bdbbb95d035f6bbabe69c9f7b6db6c4dc44090c6fd617135932d3f49234a01cabc7a2f9ca22fc20e62bbce173c8abd2e0428f3ab42aeaa6cd562534718fb8e3d13f1121fd72cccddb7704f4315bcf7bff9760201357ff962e8806fbc713bdc1b1f6c62a79006db9a62307c22cb369a95952206f349c8f1efaca2430d6b8b6bef5f7934de496f42f72521c01a6abfd81294987e4d3312d2f1cd708a7903fe0ed0101f30797042f59c8193be14060be84c9fbf5c292f0bb72b213dbd79c89e8d6bacc3e74ae040b79abf8a895f965d459e05911c106cbfb0747444bf6570935a01d602e1b813663002f35aab04e618e186ca5ef4e47d40eaf539d13e65f5ae5bd36af12cf187325c659b0bbc7f2b5c0795d0f925f925151f32e086b227dc45bfaffa7a547a03ac073e2bfe9f193964bbffd8e54c6e456b4351d996f88c1cfa61611cf910d36eedd5a957aa960c21385511ce13634f3aa6f5963817caa52a30838ae8afe4e2be596d06e832e3d7c0c589e4d140476385adf5b777418ee9da5ece7b42b8792b8da092d6843a2a5fd8cf9d11c63955784d636c38371dc0c6f868102d37fc12b0b1c7825d9f28c4eda3d7be00c269772495948600a328f075254929b446c92f0fad0033bb8b0cf72afbf320408e912b434f8ab7ccb680b0a4d8833601a57a3583123de936c895959f9b5ffa38e9e00c3e403d4be2ddaadb4eee117fb7b54b672db5dbefd2323c4cb5b8fd1d3249321b77a0f6b3b450592ad662d12c561f526e317d165d3aab70d1f7ccfea693360829b261e41958cb45bf515bbc80b5ad1c4655b0287399acb5ae64d967a2fa5edc333c181a3eea9a8ce15e5d6d8a12dd7760769ea651a400021f8170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0x1000}], 0x1, &(0x7f0000001380)=[{0x38, 0x0, 0x4, "307cf6b35cdb98dbd3d925adfe4d8f9b9bc6cf1192ca9244cd325be30bca46b19622145212"}], 0x38, 0x20000000}, 0xc3cc}, {{&(0x7f00000013c0)=@alg={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha1\x00'}, 0x80, 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"2775ae267c8af046a6e8d40f4f480de786962dc8e54f235156cbecfb682f228930087949865fedcd6657420d6148f0fcbc7dee5cf7715542bb3a921cb993b4061ab15a451590e9d90814acaa2cffd0c714817cd00a7e4df372460b63c5d0b084e2cf5424322b2ba7f9d0fc3d5b7a4e9142ec5c6aa39a74c4d1186fe457469e351ba34386e440ff3b4ef7931e627f18bd5922b4836398accd3c9dd08cff246f1f5adb1da0f8a7968bde049031144a0d226d"}], 0xf8, 0x80}, 0xfff}, {{0x0, 0x0, &(0x7f0000003b80)=[{&(0x7f0000002940)="beed8e433b019ad56ab287052a4cdb0abf986bf610431d8e62b10a54a2a75948c1ee5956da63854075f1cc1f2a373a42a62dac8983c66e060108e8d9dfc8c56517a9a78b39d1904f254fdfea4961db4f17a8f46b344a332b58a1f88e252d0e376b741dbdde27c229404f53464eac627dd7971d13292240d467d630101374c17a6ba73695b42f047074da5ef7f0541da902e08a3134c887801643198b6fc0", 0x9e}, {&(0x7f0000002a00)="0ec7e0b812db8605679b19735c8f6ee3bb61b815a8865feedee1e8554985a7975896854b28501d0381e6689b78c1efb301d54bc26dbabdadfe", 0x39}, {&(0x7f0000002a40)="63a5bab186630140b9a84e5fda", 0xd}, {&(0x7f0000002a80)="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0x1000}, {&(0x7f0000003a80)="7d1fb5a3a7abfa8a2d344dc5973bf3b312f7e0351a2a32cddae277d64d70fd8ca45cd08da2b4a82e14d6ffe449e106711b57b7e89d1d877e892fc5f912bb00edb3f7083d0316e89c55adc766ae9b703d2b013efbc9e46960f7ae4533be45771cf853bba02a8272ccab2d8bb0e12064f0a1d0078b7fb2500d407265f605bafc3f864ed9850f27c9c709be6ff345fe5988b8a2a7ba3bac1e1f5ad263c356f1867d53abaff2b3edd0de496e9fe9efcfea25d284d9304a13286dd2f52689233458714f505419908ae1370bfc6f", 0xcb}], 0x5, &(0x7f0000003c00)=[{0xf8, 0x118, 0x3e7a, "ead61c82bd74ecb7d0268ebb51c857675be24a6d5815f081a5ee8caed1367ec91638091c37a8256de5e98bdecdde2efa22700810d303d021324fed875522bf7c6ba4537584f5f60d1bc6e3650c057f14e6e18c4890790fe90d3da81ace6b6ce75f38bc90960431e4719a01480e97e7d9c2e9aa5edb07cb3ce290743d8ddcf775e8967435d5f5687b60df61fa6a48e254e72c2f49a8a24e4390a9d6c10cbcdc7199ba2c051c486bbd0c63d9e6833cf78c1842a95293bc319e0ee82cb5c1a2051c6f84374bc71d9c8ef7e97f908c68174d640d893b9d0b4cb60da1725433ea5594e86056094c"}, {0xa8, 0x108, 0x80, "36df63c847bf54aeee7e3d987930480681fc91e0fa40d81e64e7e772193ce73a6e830dd32128ed4fc02f07c5f0c49be1e5a67631835614d5890b40d5e67337618db7eb3cd183fc83b4eb5711d1c2ac2aee9b73f9db7dbd5a6357b2551f0b8cc5ff117574d9f68f1be5fe45a1117d777d2614c119aa77544569f07707cede37653b4c79ec8c3b282cdadc7c5de1125c82c9e5b4287d91"}, {0xb8, 0x1, 0x3, "8eb1db4a872db52a82a693ac3cdce11f30c4e4b8d3a5782ff1f739d7ea970ba025529f2b485cd33009db93e1621649350a4719305c4a9bfa35b4f68481638909b4b7e0c1634d061865726049763fd19cd593db29818e58ab7739806d1d81be9b37b54c50f8da530e973f2be26626fe323050321eea16214563d5b8454756e9238e04da844982a1fb13ca820741457cff3e2cf400617fd01ba03c900d50348fad8bb1"}], 0x258, 0x80}, 0x5}], 0x4, 0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffff9c, 0x84, 0xf, &(0x7f0000000040)={0x0, @in6={{0xa, 0x4e24, 0x100000001, @loopback={0x0, 0x1}, 0x5}}, 0x7ff, 0x9, 0x7a, 0xfffffffffffffffe, 0x6}, &(0x7f0000000140)=0x98) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f0000000180)={r2, @in6={{0xa, 0x4e22, 0x4, @local={0xfe, 0x80, [], 0xaa}, 0x3ff}}, 0x1e, 0x514f, 0x9, 0xaac5, 0x80000000}, &(0x7f0000000240)=0x98) openat$cgroup_ro(r1, &(0x7f0000000280)='cpu.stat\x00', 0x0, 0x0) 2018/04/06 07:06:20 executing program 0 (fault-call:3 fault-nth:37): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:20 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xffffff80}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:20 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xffffffffffffffff}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:20 executing program 4: socket$packet(0x11, 0x3, 0x300) r0 = socket$netlink(0x10, 0x3, 0x1f) write(r0, &(0x7f0000fa8000)="2700000014000707030e0000120f0a0011000100f5fe000000000000072a151f75080039000500", 0x27) 2018/04/06 07:06:20 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:20 executing program 5: r0 = socket(0x11, 0x100000802, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={"6966623000faffffffffffffff000020", 0xd203}) ioctl$TUNSETVNETLE(r1, 0x400454dc, &(0x7f0000000080)=0x1) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00000000c0)={'ifb0\x00', 0xa201}) r2 = getpid() wait4(r2, &(0x7f0000000040), 0x40000000, &(0x7f0000000180)) sendmsg$nl_route(r0, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)=@getstats={0x14, 0x5e, 0x100, 0x70bd29, 0x25dfdbfe, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20040000}, 0x4) readv(r1, &(0x7f00000002c0)=[{&(0x7f0000000280)=""/41, 0x29}], 0x1) 2018/04/06 07:06:20 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x39090000) 2018/04/06 07:06:20 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf5ffffff00000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 527.235442] FAULT_INJECTION: forcing a failure. [ 527.235442] name failslab, interval 1, probability 0, space 0, times 0 [ 527.246771] CPU: 1 PID: 29197 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 527.253612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.262966] Call Trace: [ 527.265556] dump_stack+0x1b9/0x29f [ 527.269166] ? arch_local_irq_restore+0x52/0x52 [ 527.273818] ? radix_tree_clear_tags+0xc0/0xc0 [ 527.278384] should_fail.cold.4+0xa/0x1a [ 527.282426] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 527.287509] ? __might_sleep+0x95/0x190 [ 527.291465] ? graph_lock+0x170/0x170 [ 527.295245] ? __mutex_lock+0x7d9/0x17f0 [ 527.299298] ? kasan_kmalloc+0xc4/0xe0 [ 527.303166] ? kasan_slab_alloc+0x12/0x20 [ 527.307294] ? kmem_cache_alloc+0x12e/0x760 [ 527.311600] ? find_held_lock+0x36/0x1c0 [ 527.315648] ? __lock_is_held+0xb5/0x140 [ 527.319700] ? check_same_owner+0x320/0x320 [ 527.324008] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 527.329024] ? rcu_note_context_switch+0x710/0x710 [ 527.333945] should_failslab+0x124/0x180 [ 527.337990] __kmalloc_track_caller+0x2c4/0x760 [ 527.342643] ? string+0x21d/0x2c0 [ 527.346078] ? kstrdup_const+0x66/0x80 [ 527.349950] kstrdup+0x39/0x70 [ 527.353135] kstrdup_const+0x66/0x80 [ 527.356840] __kernfs_new_node+0xa8/0x580 [ 527.360973] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 527.365709] ? pointer+0xa20/0xa20 [ 527.369230] ? kasan_check_write+0x14/0x20 [ 527.373446] ? snprintf+0xa5/0xd0 [ 527.376880] ? vsprintf+0x40/0x40 [ 527.380317] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 527.384798] kernfs_new_node+0x80/0xf0 [ 527.388673] __kernfs_create_file+0x4d/0x330 [ 527.393072] cgroup_addrm_files+0x437/0xaf0 [ 527.397377] ? cgroup_css.part.14+0x1f0/0x1f0 [ 527.401851] ? cpu_cgroup_css_alloc+0x30/0x30 [ 527.406331] ? __lock_is_held+0xb5/0x140 [ 527.410376] ? kasan_check_write+0x14/0x20 [ 527.414589] ? online_css+0x259/0x330 [ 527.418371] css_populate_dir+0x1a8/0x420 [ 527.422501] cgroup_apply_control_enable+0x43b/0xce0 [ 527.427589] ? cgroup_propagate_control+0x5a0/0x5a0 [ 527.432586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 527.438116] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 527.442599] ? cgroup_file_name+0x1f0/0x1f0 [ 527.446917] ? css_populate_dir+0x2a2/0x420 [ 527.451232] cgroup_mkdir+0x825/0x10d0 [ 527.455105] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 527.459844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 527.465365] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 527.470450] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 527.475273] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 527.480877] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 527.486395] ? kernfs_get_active+0xb2/0x120 [ 527.490697] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 527.495435] kernfs_iop_mkdir+0x159/0x1e0 [ 527.499563] ? getname_flags+0xd0/0x5a0 [ 527.503519] vfs_mkdir+0x42e/0x6b0 [ 527.507048] do_mkdirat+0x266/0x2f0 [ 527.510656] ? SyS_mknod+0x40/0x40 [ 527.514177] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 527.518999] ? do_syscall_64+0xb7/0x9d0 [ 527.522960] SyS_mkdir+0x22/0x30 [ 527.526312] ? SyS_mkdirat+0x30/0x30 [ 527.530011] do_syscall_64+0x29e/0x9d0 [ 527.533892] ? vmalloc_sync_all+0x30/0x30 [ 527.538038] ? _raw_spin_unlock_irq+0x27/0x70 [ 527.542518] ? finish_task_switch+0x1ca/0x820 [ 527.547004] ? syscall_return_slowpath+0x5c0/0x5c0 [ 527.551923] ? syscall_return_slowpath+0x30f/0x5c0 [ 527.556836] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 527.562205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 527.567048] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 527.572215] RIP: 0033:0x4552d9 [ 527.575384] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 527.583074] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 527.590326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 527.597574] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 527.604823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 527.612074] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000025 [ 527.619675] cgroup: cgroup_addrm_files: failed to add max, err=-12 2018/04/06 07:06:21 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3c010000) 2018/04/06 07:06:21 executing program 3: r0 = socket$inet_icmp(0x2, 0x2, 0x1) getpeername(r0, &(0x7f0000002680)=@ethernet, &(0x7f0000002700)=0x80) syz_emit_ethernet(0x2a, &(0x7f0000002600)=ANY=[@ANYBLOB="ff4def28f5a8eaff4981ffffaaaaaaa800001c00e0ffffff01907800000010e0040001140000000017120000000000000280ab4b0103015b1fcd0a69ae866547b1fcc7cd457298d7d8bd1ae447996f3ffa8b7af89bfa939c9e9cbf9589b9c2e1b55933649fa4eef013e7f24ff76aff"], &(0x7f0000000080)) r1 = syz_open_dev$sndpcmc(&(0x7f0000002780)='/dev/snd/pcmC#D#c\x00', 0x2, 0x40000) setsockopt$inet6_udp_int(r1, 0x11, 0x66, &(0x7f00000025c0)=0x8, 0x4) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='gid_map\x00') getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0xc) r4 = getuid() sendmsg$nl_generic(r2, &(0x7f0000002540)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000008}, 0xc, &(0x7f0000002500)={&(0x7f0000000140)={0x2394, 0x35, 0x100, 0x70bd26, 0x25dfdbfd, {0x14}, [@nested={0x10e0, 0x8a, [@generic="e89c11c1b3276e4c16cf1c76a96757fa4c12e36c355f5ea52503613c6d2e3167c27a96b74826a5629c37650cdb73a2ecb67eb65de69a7efab2be851d4026f798b8dfb0107d0b45dbfd72d96329f0d93c69b8ac4514fa8bfb48f29c2d2ec2e001b63519593ad1f44bdc504858b8dd037d3ce09408c97a7f69f5c5cac25d80be2e2c4022ee9ceefd9589ff755d64292843e56d7474fdc798da74381c078daf4ea731ba04f32017ae852af8005cadf5e110b4f2159f6316846314df1e6b433b9d7482f0703b42b50de5c4563d8dd4361ea4b471a30f4de5b57d4ae343", 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@generic="adc3d2d4ab681964236ee4c9e208fd6db7dc40c63bb52dd5dd23d73ed5129075e8a3f3f2f7e2a60f74550312ced7f33b9706dec86777e451f0e79974fddcb6", @typed={0x4, 0x47}, @generic="9e737c4eb0376d031dce26e1188789d3d41c23ff245b59ac799a8d433c69bfc3c60691aa3ac2e898def700188ab2a77be35d15f62876bd31d778237f50abd8cff61f20f37caa631a61dbe0de3d329248552f0fae6d0ad5d1f6e5948971fdf9a469ea187e9f25f97d1de9df06101e0c41b3f830979251cb3ad75bb74e0f8dcbf9b143fb60928063191d54dc4e2890201d3568318b865572f97065590ff3c159082adbe3d63bd04ba7620d2d68deb10f2fd6730e33fd72812aaedcc7e21b9bacb956b05988bc7afdfa8e1fae57ca1c6569ddedad9f366610dd8d0cea586365f4b645152097f0fc", @typed={0x8, 0x88, @pid=r3}, @nested={0x164, 0x2a, [@generic="e37c2be43170f41526c7d79f558e29f7f10dc13268f8f77de7cd1b975eb1b55e546e26a1ea3780513ffb370eb457dcf1b27b6d30ecf65a69d6017ff56a5ca2c6eb3e9bc174b26a9e528565af7d1b11a3e222d474e8f0c4163949eb98e98533c8377653164385f244cda3f2bb", @generic="c73c0a55b67f7d08e432716d03db1517ca3804f12c1421d1345d3e963f959a0f743e2beeadb6a1a5cb6dc4d06f12c99efabb407c9075ba163340d3749f336fd30266f8324ee9873a7f3e748c49a2803c5cb55cd72a6d13885ed9bdb9cd758db6901a651a97797e4ac0706cf998a4ac4c28a8de4a32f57fad8ee25b3611f6bda635eedbb9b1eecc597afd29e6894312c061d1ec247a40264159ea96c9a8cbacd38c3fb72894fd959462f9f0a9e09cc2450638b849765f3ed61b5425a22e28d399585246650948f9acd55552ca0f02efeee3d07ae3e4153de742024aff5cabe6ab1728820b00bfb4fff43275f4400b64ba85"]}, @typed={0x8, 0x7c, @uid=r4}]}, 0x2394}, 0x1, 0x0, 0x0, 0x80}, 0x4008000) 2018/04/06 07:06:21 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:21 executing program 5: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'ip6_vti0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000240)=ANY=[@ANYBLOB="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", @ANYRES32=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00'], 0x20}, 0x1}, 0x0) 2018/04/06 07:06:21 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfc00000000000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:21 executing program 4: r0 = socket(0x2, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x14, &(0x7f0000014000)={0x77359400}, 0x10) getsockopt$sock_timeval(r0, 0x1, 0x14, &(0x7f0000cc7000), &(0x7f0000255000)=0x10) fcntl$F_GET_RW_HINT(r0, 0x40b, &(0x7f0000000000)) 2018/04/06 07:06:21 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:21 executing program 0 (fault-call:3 fault-nth:38): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:21 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:21 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530f6", 0x0) 2018/04/06 07:06:21 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e22, 0x0, @dev={0xfe, 0x80}, 0x383}, 0x1c) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x100, 0x0) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f00000002c0), 0x4) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000000)={0x0, 0x7cbf, 0x0, 0x7, 0x8}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000240)={r2, 0x2}, &(0x7f0000000280)=0x8) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r1, 0x80dc5521, &(0x7f00000001c0)=""/119) socket$inet_udp(0x2, 0x2, 0x0) sendmsg$key(r0, &(0x7f0000000080)={0x20480, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x2, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x25dfdbfd, [@sadb_x_nat_t_port={0x1, 0x17}]}, 0x18}, 0x1}, 0x4008810) 2018/04/06 07:06:21 executing program 4: r0 = inotify_init1(0x0) fcntl$setown(r0, 0x8, 0xffffffffffffffff) clock_nanosleep(0xfffffffffffffffc, 0x1, &(0x7f00006ba000)={0x0, 0x1c9c380}, &(0x7f0000daaff8)) fcntl$getown(r0, 0x9) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000600)='/dev/rfkill\x00', 0x200, 0x0) fcntl$getown(0xffffffffffffffff, 0x9) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x62a}, 0x0, 0x0, 0xffffffffffffffff, 0x0) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000700)) ioctl$sock_ipx_SIOCSIFADDR(r2, 0x8916, &(0x7f00000005c0)={'gretap0\x00', {0x4, 0x200, 0xccd, "941689225a0c"}}) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f0000002900)) fcntl$getownex(r0, 0x10, &(0x7f000045fff8)={0x0, 0x0}) process_vm_writev(r3, &(0x7f0000000280)=[{&(0x7f0000000240)=""/32, 0x20}], 0x1, &(0x7f0000000540)=[{&(0x7f00000002c0)=""/33, 0x21}, {&(0x7f0000000300)=""/47, 0x2f}, {&(0x7f0000001780)=""/4096, 0x1000}, {&(0x7f0000000340)=""/251, 0xfb}, {&(0x7f0000000440)=""/22, 0x16}, {&(0x7f0000000480)=""/159, 0x9f}], 0x6, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f00000001c0)={0xaa, 0x2000}) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_IP_IPSEC_POLICY(r5, 0x0, 0x10, &(0x7f0000012f18)={{{@in6=@local={0xfe, 0x80, [], 0xffffffffffffffff}, @in=@loopback=0x7f000001}}, {{@in=@multicast1=0xe0000001}, 0x0, @in6=@local={0xfe, 0x80, [], 0xffffffffffffffff}}}, 0xe8) ioctl$sock_SIOCINQ(r5, 0x541b, &(0x7f0000000100)) io_setup(0x8, &(0x7f0000000080)=0x0) io_getevents(r6, 0x236, 0x5, &(0x7f0000000780)=[{}, {}, {}, {}, {}], &(0x7f00000000c0)={0x0, 0x989680}) setsockopt$inet_group_source_req(r5, 0x0, 0x2c, &(0x7f0000000840)={0x2, {{0x2, 0x4e24, @rand_addr=0x3}}, {{0x2, 0x4e24, @multicast2=0xe0000002}}}, 0x108) ioctl$UFFDIO_ZEROPAGE(r4, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) creat(&(0x7f0000000040)='./file0\x00', 0x0) shmget(0x2, 0x3000, 0x0, &(0x7f0000ffd000/0x3000)=nil) ptrace$setopts(0x4206, r3, 0x0, 0x0) clock_nanosleep(0x3, 0x1, &(0x7f0000000140), &(0x7f0000000180)) futex(&(0x7f0000000680), 0x0, 0x0, &(0x7f00000006c0), &(0x7f00000028c0), 0x2) 2018/04/06 07:06:21 executing program 3: r0 = socket$packet(0x11, 0x25, 0x300) setsockopt$packet_int(r0, 0x107, 0x14, &(0x7f0000000040)=0x3, 0x4) sendto$inet6(r0, &(0x7f0000000100), 0x0, 0x0, &(0x7f0000000000)={0xa, 0x800, 0x100000002, @dev={0xfe, 0x80}}, 0x1c) fcntl$getownex(r0, 0x10, &(0x7f00000000c0)={0x0, 0x0}) ptrace$cont(0x19, r1, 0x400, 0xffffffffffffffff) 2018/04/06 07:06:21 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x364) 2018/04/06 07:06:21 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 528.096171] ptrace attach of "/root/syz-executor4"[4512] was attempted by "/root/syz-executor4"[29231] [ 528.108604] FAULT_INJECTION: forcing a failure. [ 528.108604] name failslab, interval 1, probability 0, space 0, times 0 [ 528.120069] CPU: 1 PID: 29237 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 528.126918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.136278] Call Trace: [ 528.138875] dump_stack+0x1b9/0x29f [ 528.142518] ? arch_local_irq_restore+0x52/0x52 [ 528.147201] ? radix_tree_clear_tags+0xc0/0xc0 [ 528.149144] ptrace attach of "/root/syz-executor4"[4512] was attempted by "/root/syz-executor4"[29231] [ 528.151791] should_fail.cold.4+0xa/0x1a [ 528.151811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 528.151830] ? __might_sleep+0x95/0x190 [ 528.151850] ? graph_lock+0x170/0x170 [ 528.178353] ? __mutex_lock+0x7d9/0x17f0 [ 528.182421] ? kasan_kmalloc+0xc4/0xe0 [ 528.186307] ? kasan_slab_alloc+0x12/0x20 [ 528.190452] ? kmem_cache_alloc+0x12e/0x760 [ 528.194775] ? find_held_lock+0x36/0x1c0 [ 528.198835] ? __lock_is_held+0xb5/0x140 [ 528.202903] ? check_same_owner+0x320/0x320 [ 528.207216] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 528.212223] ? rcu_note_context_switch+0x710/0x710 [ 528.217145] should_failslab+0x124/0x180 [ 528.221199] __kmalloc_track_caller+0x2c4/0x760 [ 528.225855] ? string+0x21d/0x2c0 [ 528.229300] ? kstrdup_const+0x66/0x80 [ 528.233177] kstrdup+0x39/0x70 [ 528.236356] kstrdup_const+0x66/0x80 [ 528.240059] __kernfs_new_node+0xa8/0x580 [ 528.244199] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 528.248942] ? pointer+0xa20/0xa20 [ 528.252484] ? kasan_check_write+0x14/0x20 [ 528.256707] ? snprintf+0xa5/0xd0 [ 528.260148] ? vsprintf+0x40/0x40 [ 528.263585] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 528.268073] kernfs_new_node+0x80/0xf0 [ 528.271952] __kernfs_create_file+0x4d/0x330 [ 528.276350] cgroup_addrm_files+0x437/0xaf0 [ 528.280667] ? cgroup_css.part.14+0x1f0/0x1f0 [ 528.285147] ? cpu_cgroup_css_alloc+0x30/0x30 [ 528.289642] ? __lock_is_held+0xb5/0x140 [ 528.293698] ? kasan_check_write+0x14/0x20 [ 528.297920] ? online_css+0x259/0x330 [ 528.301712] css_populate_dir+0x1a8/0x420 [ 528.305855] cgroup_apply_control_enable+0x43b/0xce0 [ 528.310957] ? cgroup_propagate_control+0x5a0/0x5a0 [ 528.315965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.321492] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 528.325975] ? cgroup_file_name+0x1f0/0x1f0 [ 528.330292] ? css_populate_dir+0x2a2/0x420 [ 528.334606] cgroup_mkdir+0x825/0x10d0 [ 528.338491] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 528.343240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.348766] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 528.354465] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 528.359296] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 528.364823] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 528.370346] ? kernfs_get_active+0xb2/0x120 [ 528.374655] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 528.379400] kernfs_iop_mkdir+0x159/0x1e0 [ 528.383546] ? getname_flags+0xd0/0x5a0 [ 528.387511] vfs_mkdir+0x42e/0x6b0 [ 528.391046] do_mkdirat+0x266/0x2f0 [ 528.394665] ? SyS_mknod+0x40/0x40 [ 528.398196] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 528.403033] ? do_syscall_64+0xb7/0x9d0 [ 528.406997] SyS_mkdir+0x22/0x30 [ 528.410360] ? SyS_mkdirat+0x30/0x30 [ 528.414065] do_syscall_64+0x29e/0x9d0 [ 528.417942] ? vmalloc_sync_all+0x30/0x30 [ 528.422081] ? finish_task_switch+0x1ca/0x820 [ 528.426569] ? syscall_return_slowpath+0x5c0/0x5c0 [ 528.431489] ? syscall_return_slowpath+0x30f/0x5c0 [ 528.436413] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 528.441772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 528.446627] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 528.451805] RIP: 0033:0x4552d9 [ 528.454980] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 528.462686] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 528.469942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 528.477198] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 528.485047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 528.492305] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000026 [ 528.499672] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 528.500171] ptrace attach of "/root/syz-executor4"[4512] was attempted by "/root/syz-executor4"[29231] [ 528.541195] ptrace attach of "/root/syz-executor4"[4512] was attempted by "/root/syz-executor4"[29231] 2018/04/06 07:06:22 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:22 executing program 3: syz_emit_ethernet(0x0, &(0x7f0000000080)=ANY=[], 0x0) r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x280, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000080)) ioctl$KVM_SET_DEBUGREGS(r0, 0x4080aea2, &(0x7f0000000140)={[0x10002, 0x7004, 0xf004, 0xf001], 0x1000, 0x6, 0x6}) ioctl$VHOST_SET_VRING_NUM(r0, 0x4008af10, &(0x7f0000000040)={0x3, 0x9}) 2018/04/06 07:06:22 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000040)=[@text32={0x20, &(0x7f00000000c0)="ea00280000b30082d6540f30ea030000002c0066b850000f00d066ba4200b802000000efc74424000a000000c7442402acc70000c7442406000000000f0114240f20e035100000000f22e03e64360f01cf0f22c7", 0x54}], 0x1, 0x0, &(0x7f0000000140), 0x0) r3 = syz_open_dev$dmmidi(&(0x7f00000001c0)='/dev/dmmidi#\x00', 0x37, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000200)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000240)=0x24) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000280)={r4, 0x7}, &(0x7f00000002c0)=0x8) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000080)={0x55f56136, 0x8000, 0x2, 0x0, 0x1, 0x5, 0x58, 0x200, 0x3, 0x13f, 0x7, 0x5, 0x0, 0x2, 0x1f, 0x5, 0x4ec3, 0x8, 0x9}) ioctl$KVM_SET_SIGNAL_MASK(0xffffffffffffffff, 0x4004ae8b, &(0x7f0000000000)=ANY=[@ANYBLOB="0f000000d2d47ba0172d45f89c4f91c97ddb"]) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000140)={0x8a15, 0x3, 0x9b7, 0x0, 0x1, 0x6, 0x4, 0x8, 0x8001, 0x6, 0x8, 0x1, 0x0, 0x80, 0x3, 0x1, 0xff, 0x40, 0x81}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 2018/04/06 07:06:22 executing program 0 (fault-call:3 fault-nth:39): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:22 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:22 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x923) 2018/04/06 07:06:22 executing program 4: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000180)={0xaa}) mmap(&(0x7f0000000000/0xf50000)=nil, 0xf50000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 2018/04/06 07:06:22 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x15000000, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:22 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6000000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw-serpent-avx2\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="d179f2508fb13583605d0008a230e7a6", 0x10) r1 = accept$alg(r0, 0x0, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$sock_inet_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000680)={'bcsh0\x00', {0x2, 0x4e23, @rand_addr}}) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000300)='./cgroup\x00', 0x200002, 0x0) r5 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r6 = openat$cgroup_int(r4, &(0x7f0000000000)='memory.high\x00', 0x2, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r5, 0xc008ae09, &(0x7f0000000200)=""/131) fcntl$getflags(r2, 0x1) getsockname$inet(r1, &(0x7f0000000100), &(0x7f0000000140)=0x10) io_setup(0x400, &(0x7f0000000380)=0x0) ioctl$KVM_GET_EMULATED_CPUID(r5, 0xc008ae09, &(0x7f00000002c0)=""/55) io_submit(r7, 0x0, &(0x7f00000004c0)) r8 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/hwrng\x00', 0x20000, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r8, 0x4068aea3, &(0x7f0000000400)={0x7b, 0x0, [0x9, 0x7, 0x3ff, 0x401]}) sendfile(r6, r6, &(0x7f0000000040), 0x1) recvmsg(r1, &(0x7f00001b0000)={&(0x7f00003a4fa0)=@nfc_llcp, 0x80, &(0x7f0000045000)=[{&(0x7f0000000300)=""/88, 0x58}], 0x1, &(0x7f00009f2000)=""/190, 0xbe}, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r8, 0x84, 0xf, &(0x7f0000000480)={0x0, @in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x13}}}, 0x0, 0x9e09, 0x9, 0x7ff, 0x1}, &(0x7f0000000540)=0x98) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000780)=ANY=[@ANYRES32=r9, @ANYBLOB="9e000000b0e77285c878a8c5788a4ca01fc127a65c65b4b92ff1cf43c6742eace6f5842d107a0ade6e36cf110d3ea709e629a8cab07a757c936576aebc6ee76a6641eaca431c56fbda3704975c7eee11700a56d11fdb0c007ab2000000000000000090788989689a90f13a08b48e181d5bc6ce1ade5827114412f05d673d7e9f28fff8e2e60334eef2b53381e23846f5fb1867924760be000d7a79505bbb881d0000893c80"], &(0x7f0000000640)=0x2) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r8, 0x800442d3, &(0x7f00000006c0)={0xbe82, 0x0, 0x100, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'bcsh0\x00'}) ioctl$sock_inet6_udp_SIOCOUTQ(r8, 0x5411, &(0x7f00000000c0)) r10 = semget(0x1, 0x2, 0x404) semtimedop(r10, &(0x7f0000000700), 0x0, &(0x7f0000000740)) setfsuid(0x0) sendmmsg$alg(r3, &(0x7f0000003ec0)=[{0x0, 0x0, &(0x7f0000000a40)=[{&(0x7f0000000840)="cc449f201eeb354eb51310872de4aa0490d6da5b1cd5088fb9a9d3947eebca0ed0e71af84aab09371b9a52181f52347af1416e5beef1df49da0c08ea0ba35312472a97d2fd7ae800f140a3cb7c51f3ed0aabc7c369212b758f17dd44f9a44455f0ab14ef66ddbdc790e3ee60cfda0ecd29b33233d34df5a6c7da27575e4720ce444841e5054c9788e7425a6f0656a9b15147cc0daab62e161383dee8767e0d3cc4ae1b25a81592f62dfa00f71226b8b538b6cab94deaa5513437e29e09381f2d35e6", 0xc2}, {&(0x7f00000005c0)="d7c9e27073af899b7f436cc6a1b77bd61b3b372f280250e97b8e1b7c64a3d5ae3dd19ef0255b7f4d56c9fbafc4824153413ba6ab984bfd6f8c52b69588f65d9b4e6da8552d976a91bd2a6cbf0bf6765b6f763ce7149cd3d49c4ecac9bbfd13e7ba4d9f5d", 0x64}, {&(0x7f0000000940)="59a0549133dfe64acd8e9ce599f09ffddc4358572034a5502540077d8b16df8615c00febf256c2607ed8e4cba6d2ba3a7f42bbfaad1cd5b90bc94cbc7987c03b8c79f0097b57821ef7145df2a87247b1d0fdd61f06ea88ec18b5c6859e6e6c4839c8ec4fcb77d9f78ef1e98ef0a7656033a0f217ec79d466af1734800ef4c346aeed1f8c8fe6c9926df850ad58cfd78499b5337e90b34da7b321a0f125dff7aa89d3ffbf73efbabff8c09f412533aa61e2445bb4bc25f1c7197b64d9c3a3e2902836e463d6cee8b5cf0d3b3b2802874eff898527d652957cf436ed7abdb6a3b0a5264ecc902246b265ddd47006ebe1ca4797226b", 0xf4}], 0x3}, {0x0, 0x0, &(0x7f0000000d40)=[{&(0x7f0000000c00)="1dd60c020a58", 0x6}, {&(0x7f0000000d00)="fbdf2010475e9b113c09955195386f55fa5adbcab5060b60", 0x18}], 0x2, &(0x7f0000000d80)=[@assoc={0x18, 0x117, 0x4, 0x9f}, @iv={0xa0, 0x117, 0x2, 0x8b, "26e553b222c853edc01a037e065a42c8e38191fe54f33e46dd089eebb8f522ffcb0ca75123df5f3782445a4c906845afd741b24f4f0d5bb053c8b7e8e01991069b57234dc4cad3aa162c84dee0473611495fa86e7d205a05accc00fc41d72d2040ad513d9b3e0e36887dac3cbd6a6a7cddeb65caf8c5a26e8662d7c4052b3a35b067951ea94699a7a57669"}], 0xb8, 0x8001}, {0x0, 0x0, &(0x7f0000000f80)=[{&(0x7f0000000e80)="9545a3b5850ed612113d2ae8196c9ab72ec05256d0b6714dd7470e19d0b4a63d4bba65f11f76bb776a9b16911e3b889d5ccbfa3edf376ac76ae119bddd54a4887f496f8f4c162553c17d3ffcd625d44dc5ea10a7f354f526fe0fc48cfdd40d8e2b58aa57e8832f79a59cac58ec75f99044d51878bbd7476da6ddc25a063f1d76c0ba449e305df8875183f93919dc714f4f99df4bff07a9677a5f86cb59760e85a7b347128103ee8f5c0b0e7e84507c37191ce52cf2686a6fc31cc0484c8da221cbc11c", 0xc3}], 0x1, &(0x7f00000027c0)=ANY=[@ANYBLOB="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0x1060, 0x4000090}, {0x0, 0x0, &(0x7f00000011c0)=[{&(0x7f0000001140)="b6d89e1dc717ecf174f1b90c64f5900e5c0de6590ec89a5afedd2942b6375d", 0x1f}], 0x1, &(0x7f0000001200)=[@assoc={0x18, 0x117, 0x4, 0x3}, @assoc={0x18, 0x117, 0x4, 0x1}, @assoc={0x18, 0x117, 0x4, 0x7}], 0x48, 0x24048845}, {0x0, 0x0, &(0x7f0000002680)=[{&(0x7f0000001280)="10ea200e71d0dcc1fd6c369d7cf85beb2ff53b6efb5f004986f6ec1c715750ed59f077c3d1be567ee97fb41875bd4a63ba4bdb28e2c4adc4d746cd92a674d9b6ade1bfdf6dd7863c7616d5753d6bd15df352214dd5285218d8d82aee087dc81158ff7ed736780fcb85468b687909", 0x6e}, {&(0x7f0000001400)="45dc99bbdce0a4e2a044cce7286b055e992dc61ed72338f6a5cb849f6390ac09359dd41d1794c5b854a8244bbc1a0b52a353f38a70ed868f54f422ecf75aac19a780e629d36e799050cf61c9b739679eeadf88dd324d8e69fbf74e40eea0f34234a2fe8bf370dc3fd4cc88191e68a0e070b830460d3dd9551815e547043e96d56b2ce3637a40fffe4459", 0x8a}, {&(0x7f0000002600)="aa8dbf2ddd0a3c092e2529287752c58a6842f0f296f0646163814e27c750d5cc53a9a45aaf96d153dbf1262eed6d2533ad4f2722ebe427f022949f307f3507a7eae33eebc45af71a0616e93d", 0x4c}], 0x3, &(0x7f0000002700)=[@iv={0x48, 0x117, 0x2, 0x33, "18eb4fc4b460bb4dc76d84729ffa21e9143b4ae833e64e0bb3600aad21f477861a89a15fe52e2385fedc7d9e1de58d684edacc"}], 0x48, 0x20000000}, {0x0, 0x0, &(0x7f0000003b80)=[{&(0x7f0000003b00)="746d7dbe6eadba4a0c75627235f493162adbd99038023b8707d17c48d7a2ef8f7f41a795760756ab22ff81d9e964f8d7cafe3c27eebfbc8eb7cde0e677662a1402bd7e6817b5b1bbfbfad781afe2abf05cf69a7aef0c8edd7fdae7", 0x5b}], 0x1, &(0x7f0000003bc0)=[@assoc={0x18, 0x117, 0x4, 0x100000000}, @op={0x18, 0x117, 0x3}, @op={0x18, 0x117, 0x3, 0x1}], 0x48}, {0x0, 0x0, &(0x7f0000003d80)=[{&(0x7f0000003c40)="e70c75dd4c417fd0a5223e80907669e133fb3af4d7b30af852975f7a85d84da57c66c13cbd7792ef7152b14a94c05ea1036ed074e2a72c2b66fa8faac53b9c8d8483a7ef471a472bb77d139993efca48a48adebc9f7dda62079e9607791b80879930dcdcba974b19e93ad8cc107d759bbd24838cdc853bb03c611644f42efd4c77b5f89f6300ee2f1200e6dce2e20cea3107617e9ab1b1558bbc20f1edde0d761f08e80ca35b1a599f7db06c5519a330688962551e6c0be28aa5c8ca0ba1e149792cabe81797d03041974581e2c3a6df7adec3e7f670a09f988cf3e28c1f75824d8e", 0xe2}], 0x1, &(0x7f0000003dc0)=[@iv={0xc8, 0x117, 0x2, 0xb3, "783b5c817cf4424ba239c685b054d40b0866a35bec44fe71034c2d40ff45d37b02a2b82ceef24fa016956883a55e46fceecc5805500e13778944c364ffa91b60b128d9c63174d47a578c3b66467de655faaa5a77a7ece0f975f72bd63f6038246705ee1b837743136b8dc250db5f27da557cbfc00ec1f25c8cbfd28a9c3828e27360468770cb46a4e00d75cb325f7a3b65e3380064050ee043e26f88f3c9cec77e69896ceb63bfab42f2113223e7b89bee2d66"}], 0xc8, 0x8000}], 0x7, 0x8004) 2018/04/06 07:06:22 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:22 executing program 3: add_key(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="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", 0x1000, 0xfffffffffffffff8) r0 = add_key$keyring(&(0x7f0000001080)='keyring\x00', &(0x7f00000010c0)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffff8) keyctl$reject(0x13, r0, 0x40000000000002, 0x4535f5c8, 0x0) 2018/04/06 07:06:22 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x1000000000000) 2018/04/06 07:06:22 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) pipe2(&(0x7f0000e3eff8)={0x0, 0x0}, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0xfffffffffffffffe) r5 = dup3(r4, r3, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000decfe0)={0x10005, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SMI(r4, 0xaeb7) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, &(0x7f0000000040)="0f00909f000000b805000000b9220000000f01c12e26459866b8dc008ed866410f38810948b885970000000000000f23c80f21f8350400f0000f23f8b9800000c00f3235000800000f306426660fdb716d469d66476f", 0x56}], 0x1, 0x0, &(0x7f0000000100), 0x0) ioctl$sock_bt_hidp_HIDPGETCONNINFO(r3, 0x800448d3, &(0x7f0000000100)={{0x1, 0x9, 0x5, 0x8ed, 0x7, 0x3}, 0x10000000000, 0x0, 0x1f, 0x3, 0xec8, "eb7be07bbe07df95108208ade7dbe7c4db6c8b2773881f246a955da9f3cf9d445264996b742f5a326c11a1d2bba4ba75ccfa32c367333c8acfb038d68183038792c09711ecdbb215839641aaa6168b80238cffd96c8519eb7bdc244024126a243613b074518801f21d733b6499ee4938b1b37cd8a72c84691c09863c6cd51c48"}) ioctl$KVM_RUN(r3, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000300)=[@textreal={0x8, &(0x7f0000000500)="0f005c0666b8ef0000000f23d00f21f86635300000010f23f866b9770b000066b80000008066ba000000000f30f20f35f30f1bcff4650f01cabaf80c66b8c261a58266efbafc0cb874daef0f236d0f32", 0x50}], 0x0, 0x1c, &(0x7f0000000280), 0x100) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r2, 0x40605346, &(0x7f00000001c0)={0x5, 0x0, {0xffffffffffffffff, 0x0, 0x800, 0x3, 0x5}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) 2018/04/06 07:06:22 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfec00000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:22 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x33090000) 2018/04/06 07:06:22 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000fd0000), 0x0, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000040)="be38", 0x2, 0xbe, &(0x7f0000000100)={0x2, 0x0, @multicast2=0xe0000002}, 0x10) recvmmsg(r0, &(0x7f0000001f80)=[{{0x0, 0x0, &(0x7f0000001e80)=[{&(0x7f0000001e00)=""/97, 0x61}], 0x1, &(0x7f0000001ec0)=""/148, 0x94}}], 0x1, 0x0, 0x0) sendto$inet(r0, &(0x7f0000000180)="72357fa9a1453ff7592e196b980542f1800fb58f47f7fd527a4529430b6c9f3ea4eaebaf6b1a8c61fce0c4eef6575b469a37863b01e16aacc2c73778e8c04b346b85ab5063ff9fdc1264234898551a2db731cbcb358b8ffc8141c5e49734b88d4b20e01f2b8064e75eec8ec54aa73602ccb129a5ffa5dd95d1afd7ddc9e8905f9d918797f6559764d0d89ed44b36e9e8016c9aae8571e1668dda3ee1f9efca46707133c47ca8df4135091be6415617c8c140e69d2404dd42176771e604d311267654ad0e4c06ae21440d364ade2e14f065b6e7af48fc98a6c674339fecce17", 0xdf, 0x1, &(0x7f0000000080)={0x2, 0x4e22}, 0x10) writev(r0, &(0x7f00002e1fe0)=[{&(0x7f0000c62f65)="db", 0x1}], 0x1) sendto$inet(r0, &(0x7f0000000140)='e', 0x1, 0x1, &(0x7f0000000000)={0x2, 0x0, @loopback=0x7f000001}, 0x10) 2018/04/06 07:06:22 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:22 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xfec0}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 529.243672] FAULT_INJECTION: forcing a failure. [ 529.243672] name failslab, interval 1, probability 0, space 0, times 0 [ 529.254993] CPU: 0 PID: 29317 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 529.261834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.271173] Call Trace: [ 529.273759] dump_stack+0x1b9/0x29f [ 529.277382] ? arch_local_irq_restore+0x52/0x52 [ 529.282049] ? mutex_trylock+0x2a0/0x2a0 [ 529.286092] ? kasan_check_write+0x14/0x20 [ 529.290317] should_fail.cold.4+0xa/0x1a [ 529.294366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 529.299466] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 529.304219] ? graph_lock+0x170/0x170 [ 529.308022] ? graph_lock+0x170/0x170 [ 529.311815] ? kasan_check_write+0x14/0x20 [ 529.316046] ? find_held_lock+0x36/0x1c0 [ 529.320114] ? __lock_is_held+0xb5/0x140 [ 529.324187] ? check_same_owner+0x320/0x320 [ 529.328502] ? cgroup_addrm_files+0x786/0xaf0 [ 529.332993] ? rcu_note_context_switch+0x710/0x710 [ 529.337914] should_failslab+0x124/0x180 [ 529.341958] kmem_cache_alloc_trace+0x2cb/0x780 [ 529.346616] blkcg_css_alloc+0xc8/0x6f0 [ 529.350585] ? blkcg_deactivate_policy+0x460/0x460 [ 529.355514] ? __lock_is_held+0xb5/0x140 [ 529.359565] cgroup_apply_control_enable+0x52d/0xce0 [ 529.364659] ? cgroup_propagate_control+0x5a0/0x5a0 [ 529.369659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.375179] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 529.379659] ? cgroup_file_name+0x1f0/0x1f0 [ 529.383969] ? css_populate_dir+0x2a2/0x420 [ 529.388277] cgroup_mkdir+0x825/0x10d0 [ 529.392162] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 529.396908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.402437] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 529.407534] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 529.412360] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 529.417882] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 529.423411] ? kernfs_get_active+0xb2/0x120 [ 529.427717] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 529.432454] kernfs_iop_mkdir+0x159/0x1e0 [ 529.436590] ? getname_flags+0xd0/0x5a0 [ 529.440563] vfs_mkdir+0x42e/0x6b0 [ 529.444094] do_mkdirat+0x266/0x2f0 [ 529.447701] ? SyS_mknod+0x40/0x40 [ 529.451236] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 529.456075] ? do_syscall_64+0xb7/0x9d0 [ 529.460040] SyS_mkdir+0x22/0x30 [ 529.463399] ? SyS_mkdirat+0x30/0x30 [ 529.467095] do_syscall_64+0x29e/0x9d0 [ 529.470962] ? vmalloc_sync_all+0x30/0x30 [ 529.475092] ? _raw_spin_unlock_irq+0x27/0x70 [ 529.479568] ? finish_task_switch+0x1ca/0x820 [ 529.484058] ? syscall_return_slowpath+0x5c0/0x5c0 [ 529.488980] ? syscall_return_slowpath+0x30f/0x5c0 [ 529.493896] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 529.499242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 529.504085] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 529.509256] RIP: 0033:0x4552d9 [ 529.512425] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 529.520115] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 529.527363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 529.534613] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 529.541860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 529.549115] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000027 2018/04/06 07:06:23 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xba030000) 2018/04/06 07:06:23 executing program 5: r0 = syz_open_dev$binder(&(0x7f0000001000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x20011, r0, 0x0) r1 = syz_open_dev$evdev(&(0x7f0000057fee)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGKEY(r1, 0x80404518, &(0x7f0000000200)=""/80) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(0xffffffffffffffff, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) r2 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0xd6d8, 0x8000) ioctl$TIOCLINUX6(r2, 0x541c, &(0x7f0000000040)={0x6, 0x7ff}) 2018/04/06 07:06:23 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:23 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6000}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:23 executing program 0 (fault-call:3 fault-nth:40): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:23 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1500, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:23 executing program 4: r0 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000000280)="445604f3005e0e30c24d8eb7a2a3dcdcf0fafd22f7f479d95e2f34f1e2526d4045101afabf534b026e07ea1812f1770c6416d7dce62934115d5afff23c264c671f30f2fc491293aa5cc9644bb6309d6ccc862941afe4413b892495eb07d917cacee862340f66114ef5a2333af9ae6ffa4370820574e1d48b0b4b2e9c935747beb55714f9829acff9f3860465aea3c45ffaa8f0b55b", 0x95) getsockopt$inet_opts(r0, 0x0, 0x9, &(0x7f0000739ff1), &(0x7f0000003ffc)) 2018/04/06 07:06:23 executing program 3: r0 = socket(0x1e, 0x2000000000000005, 0x0) io_setup(0x3d, &(0x7f0000000040)=0x0) io_submit(r1, 0x21b, &(0x7f0000000880)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000080)='n', 0x1}]) 2018/04/06 07:06:23 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xc0fe}, @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:23 executing program 3: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000389ff6)='/dev/cuse\x00', 0x0, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000db7000)) io_setup(0x8b88, &(0x7f0000000140)=0x0) syz_open_pts(r0, 0x400) io_submit(r2, 0x1, &(0x7f00000018c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000180)}]) 2018/04/06 07:06:23 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x92f) 2018/04/06 07:06:23 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = accept(r0, 0x0, &(0x7f0000000000)) setsockopt$inet_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000040)={@in={{0x2, 0x4e20}}, 0x6, 0x100000001, 0x2, "bb723b8ba15abb681638b732663fc52fd72cb30ea4851b6e8546f0cb4c4c3af08eca2a65b3c618b1c1722e8cf5892ac198283e2cd237bb2e2e410aae0d51f049f1a0a3f819c1db3cf6a6feb708de5aaa"}, 0xd8) syz_open_dev$usbmon(&(0x7f0000000140)='/dev/usbmon#\x00', 0x30a0, 0x20040) getsockopt$inet_udp_int(r0, 0x11, 0xa, &(0x7f000064cffc), &(0x7f000093f000)=0xfffffffffffffe69) 2018/04/06 07:06:23 executing program 4: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/enforce\x00', 0x16907e, 0x0) futex(&(0x7f000000cffc), 0x0, 0x0, &(0x7f0000000040)={0x77359400}, &(0x7f0000048000), 0xfffffffffffffffd) openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x980, 0x0) futex(&(0x7f000000cffc)=0x4, 0x0, 0x4, &(0x7f0000edfff0)={0x77359400}, &(0x7f0000048000), 0x0) futex(&(0x7f000000cffc), 0x80000000000004, 0x1, &(0x7f0000cc3ff0)={0x0, 0x989680}, &(0x7f0000000080), 0x0) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000280)={0x1}) r1 = syz_open_dev$sndseq(&(0x7f0000ff0ff3)='/dev/snd/seq\x00', 0x0, 0x0) read(r1, &(0x7f0000fb6000)=""/28, 0x1c) r2 = dup2(r1, r1) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r1, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "0a4ceaa05d9a00000000000000039b3fd4cec307e8ef3d13eb790ec9c65abaf90d229db692542e5b78f8b29e0a27800f0000000000000009fb42f376589701a4", 0xa9824f69d1376637, 0x10800a}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r1, 0xc0a85352, &(0x7f00000000c0)={{}, 'port0\x00'}) ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(r1, 0xc0305302, &(0x7f0000000180)={0x4, 0x8, 0x0, 0x1, 0x0, 0x3}) ioctl$fiemap(r2, 0xc020660b, &(0x7f0000000480)=ANY=[@ANYBLOB="0000000000000000400000000000000002000000010400000400000000000000ffff0000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000002000000000000f5000000000000000004000000000000008a0b00000000000009000000000000000000000000ac2a000000000000000000800800000000000000000000000000000300000000000000080100000000000046000000000000000000000000000000000080040000000000000000000000000000000000000000"]) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(0xffffffffffffffff, 0xc0a85320, &(0x7f00000001c0)={{0x3}, 'port1\x00', 0x84, 0x80000, 0x100000001, 0xffffffffffffff01, 0x3, 0x0, 0x200f, 0x0, 0x4}) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000000)={{}, 'port1\x00'}) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r1, 0xc0bc5310, &(0x7f0000000280)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fdbff0)='/dev/sequencer2\x00', 0x0, 0x0) symlinkat(&(0x7f0000000400)='./file0\x00', r2, &(0x7f0000000440)='./file0\x00') setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000000180)=0x40, 0x0) umount2(&(0x7f0000000080)='./file0\x00', 0xf) preadv(r0, &(0x7f0000000500)=[{&(0x7f0000000300)=""/29, 0x1d}, {&(0x7f0000000380)=""/98, 0x62}, {&(0x7f0000000400)=""/140, 0x8c}, {&(0x7f00000004c0)=""/5, 0x5}], 0x4, 0x0) socketpair(0x0, 0x80000, 0x3fd, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$fou(&(0x7f0000000700)='fou\x00') syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x0, 0x101000) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x10b9, 0x200000bf}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000a12fb8)={0x0, 0x11, &(0x7f0000000580)=ANY=[@ANYBLOB="180000000000000000000000000000007110300000000000000000000000000095000000000000000077cf58296775f7f55f7770c92a0d8ebb2eba527615dd0ceff6db2d64831552a995a980671c10265065f8d224bbd759409c68bf948500bc2d49dc9e445c2a405760b5fdf7a62949f4017dbc2069f670ef3c89ea2d08155d4bc76c417bc3df80b5c2701c33c78b"], &(0x7f0000f6bffb)='GPL\x00', 0xfffffffffffffffc, 0xfb, &(0x7f00001a7f05)=""/251}, 0x48) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000140)=[@in6={0xa, 0x0, 0x100000001, @mcast1={0xff, 0x1, [], 0x1}, 0x200}, @in={0x2, 0x4e22}], 0x2c) 2018/04/06 07:06:23 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530cf", 0x0) 2018/04/06 07:06:23 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x6], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:23 executing program 5: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd2(0x0, 0x0) read$eventfd(r0, &(0x7f0000000000), 0x8) io_setup(0x800000020, &(0x7f0000000040)=0x0) r2 = creat(&(0x7f00001c0000)='./file0\x00', 0x0) io_submit(r1, 0x1, &(0x7f0000000100)=[&(0x7f0000928fc0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000ddc000), 0x0, 0x0, 0x0, 0x1, r0}]) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000140)={r3, 0x2}, &(0x7f0000000180)=0x8) 2018/04/06 07:06:23 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x929) 2018/04/06 07:06:23 executing program 3: keyctl$reject(0xc, 0x0, 0xfffffffffffffffd, 0x6, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x40, 0x2) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f00000000c0)={'gre0\x00', 0x400}) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000100)={'erspan0\x00', 0x200}) 2018/04/06 07:06:23 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530b8", 0x0) 2018/04/06 07:06:23 executing program 3: socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$nl_crypto(0x10, 0x3, 0x15) r1 = dup3(r0, r0, 0x80000) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffff9c, 0x29, 0x22, &(0x7f0000000000)={{{@in6=@dev, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@ipv4={[], [], @dev}}}, &(0x7f0000000100)=0xe8) bind$can_raw(r1, &(0x7f0000000140)={0x1d, r2}, 0x10) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000500)='/dev/vcs\x00', 0x14000, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000540)) fcntl$getownex(r1, 0x10, &(0x7f0000000480)) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000600)='/dev/loop-control\x00', 0x0, 0x0) timer_gettime(0x0, &(0x7f0000000200)) ioctl$KVM_ASSIGN_SET_INTX_MASK(r1, 0x4040aea4, &(0x7f0000000380)={0x1e, 0x7, 0xb0b, 0x2, 0xffff}) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0x0) r5 = socket$inet(0x2, 0x5, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r5, 0x84, 0x10, &(0x7f00000003c0)=@assoc_value={0x0, 0x784f3ed1}, &(0x7f0000000400)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r5, 0x84, 0x11, &(0x7f0000000440)={r6, 0x8}, 0x8) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42c00) r7 = syz_open_procfs(0x0, &(0x7f0000001f00)="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") fgetxattr(r7, &(0x7f0000000580)=@known='user.syz\x00', &(0x7f00000002c0)=""/159, 0x948a) fgetxattr(r7, &(0x7f0000000080)=@known='system.posix_acl_access\x00', &(0x7f00000000c0)=""/249, 0xf9) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(r3, 0x541b, &(0x7f0000000280)) dup3(0xffffffffffffffff, r4, 0x0) getsockopt$inet_mtu(r5, 0x0, 0xa, &(0x7f00000001c0), &(0x7f00000004c0)=0x4) fchdir(0xffffffffffffffff) mkdir(&(0x7f0000efa000)='./file0\x00', 0x0) r8 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x200000, 0x0) r9 = ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r9, 0xae60) ioctl$KVM_SET_IRQCHIP(0xffffffffffffffff, 0x8208ae63, &(0x7f0000000000)=@pic={0x1, 0x0, 0x0, 0x256, 0x73, 0x3, 0xffffffff, 0x4, 0x8000, 0x0, 0x2, 0x0, 0x3, 0x77}) [ 530.151304] FAULT_INJECTION: forcing a failure. [ 530.151304] name failslab, interval 1, probability 0, space 0, times 0 [ 530.162657] CPU: 1 PID: 29373 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 530.169492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.178826] Call Trace: [ 530.181399] dump_stack+0x1b9/0x29f [ 530.185021] ? arch_local_irq_restore+0x52/0x52 [ 530.189695] ? __save_stack_trace+0x7e/0xd0 [ 530.194022] should_fail.cold.4+0xa/0x1a [ 530.198081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 530.203180] ? kasan_kmalloc+0xc4/0xe0 [ 530.207057] ? kmem_cache_alloc_trace+0x152/0x780 [ 530.211887] ? cfq_cpd_alloc+0x5f/0xa0 [ 530.215771] ? blkcg_css_alloc+0x165/0x6f0 [ 530.219999] ? cgroup_apply_control_enable+0x52d/0xce0 [ 530.225266] ? cgroup_mkdir+0x825/0x10d0 [ 530.229311] ? graph_lock+0x170/0x170 [ 530.233104] ? SyS_mkdir+0x22/0x30 [ 530.236635] ? do_syscall_64+0x29e/0x9d0 [ 530.240705] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 530.246061] ? do_syscall_64+0x29e/0x9d0 [ 530.250115] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 530.255471] ? find_held_lock+0x36/0x1c0 [ 530.259606] ? __lock_is_held+0xb5/0x140 [ 530.263663] ? check_same_owner+0x320/0x320 [ 530.267974] ? rcu_note_context_switch+0x710/0x710 [ 530.272993] should_failslab+0x124/0x180 [ 530.277060] kmem_cache_alloc_trace+0x2cb/0x780 [ 530.281726] ? rcu_read_lock_sched_held+0x108/0x120 [ 530.286728] ? kmem_cache_alloc_trace+0x616/0x780 [ 530.291572] bfq_cpd_alloc+0x5f/0xa0 [ 530.295279] blkcg_css_alloc+0x165/0x6f0 [ 530.299334] ? bfq_pd_alloc+0xf0/0xf0 [ 530.303127] ? blkcg_deactivate_policy+0x460/0x460 [ 530.308048] ? __lock_is_held+0xb5/0x140 [ 530.312096] cgroup_apply_control_enable+0x52d/0xce0 [ 530.317202] ? cgroup_propagate_control+0x5a0/0x5a0 [ 530.322211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.327729] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 530.332203] ? cgroup_file_name+0x1f0/0x1f0 [ 530.336507] ? css_populate_dir+0x2a2/0x420 [ 530.340811] cgroup_mkdir+0x825/0x10d0 [ 530.344684] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 530.349422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.354947] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 530.360043] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 530.364870] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 530.370389] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 530.375918] ? kernfs_get_active+0xb2/0x120 [ 530.380225] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 530.384965] kernfs_iop_mkdir+0x159/0x1e0 [ 530.389093] ? getname_flags+0xd0/0x5a0 [ 530.393062] vfs_mkdir+0x42e/0x6b0 [ 530.396606] do_mkdirat+0x266/0x2f0 [ 530.400234] ? SyS_mknod+0x40/0x40 [ 530.403762] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 530.408585] ? do_syscall_64+0xb7/0x9d0 [ 530.412541] SyS_mkdir+0x22/0x30 [ 530.415885] ? SyS_mkdirat+0x30/0x30 [ 530.419581] do_syscall_64+0x29e/0x9d0 [ 530.423477] ? vmalloc_sync_all+0x30/0x30 [ 530.427610] ? _raw_spin_unlock_irq+0x27/0x70 [ 530.432089] ? finish_task_switch+0x1ca/0x820 [ 530.436579] ? syscall_return_slowpath+0x5c0/0x5c0 [ 530.441498] ? syscall_return_slowpath+0x30f/0x5c0 [ 530.446416] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 530.451761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 530.456589] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 530.461758] RIP: 0033:0x4552d9 [ 530.464925] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 530.472618] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 530.480388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 530.487638] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 530.494889] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 2018/04/06 07:06:24 executing program 0 (fault-call:3 fault-nth:41): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 530.502141] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000028 [ 530.536423] sctp: [Deprecated]: syz-executor3 (pid 29377) Use of struct sctp_assoc_value in delayed_ack socket option. [ 530.536423] Use struct sctp_sack_info instead [ 530.572772] FAULT_INJECTION: forcing a failure. [ 530.572772] name failslab, interval 1, probability 0, space 0, times 0 [ 530.584090] CPU: 1 PID: 29383 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 530.590929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.600267] Call Trace: [ 530.602844] dump_stack+0x1b9/0x29f [ 530.606454] ? arch_local_irq_restore+0x52/0x52 [ 530.611117] ? mutex_trylock+0x2a0/0x2a0 [ 530.615162] ? kasan_check_write+0x14/0x20 [ 530.619402] should_fail.cold.4+0xa/0x1a [ 530.623452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 530.628536] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 530.633278] ? graph_lock+0x170/0x170 [ 530.637060] ? graph_lock+0x170/0x170 [ 530.640852] ? kasan_check_write+0x14/0x20 [ 530.645074] ? find_held_lock+0x36/0x1c0 [ 530.649119] ? __lock_is_held+0xb5/0x140 [ 530.653166] ? check_same_owner+0x320/0x320 [ 530.657473] ? cgroup_addrm_files+0x786/0xaf0 [ 530.661956] ? rcu_note_context_switch+0x710/0x710 [ 530.666869] should_failslab+0x124/0x180 [ 530.670930] kmem_cache_alloc_trace+0x2cb/0x780 [ 530.675602] blkcg_css_alloc+0xc8/0x6f0 [ 530.679563] ? blkcg_deactivate_policy+0x460/0x460 [ 530.684565] ? __lock_is_held+0xb5/0x140 [ 530.688628] cgroup_apply_control_enable+0x52d/0xce0 [ 530.693733] ? cgroup_propagate_control+0x5a0/0x5a0 [ 530.698744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.704267] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 530.708744] ? cgroup_file_name+0x1f0/0x1f0 [ 530.713057] ? css_populate_dir+0x2a2/0x420 [ 530.717373] cgroup_mkdir+0x825/0x10d0 [ 530.721245] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 530.725999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.731536] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 530.736629] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 530.741464] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 530.747002] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 530.752539] ? kernfs_get_active+0xb2/0x120 [ 530.756850] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 530.761592] kernfs_iop_mkdir+0x159/0x1e0 [ 530.765730] ? getname_flags+0xd0/0x5a0 [ 530.769695] vfs_mkdir+0x42e/0x6b0 [ 530.773216] do_mkdirat+0x266/0x2f0 [ 530.776831] ? SyS_mknod+0x40/0x40 [ 530.780352] ? ksys_mount+0xa8/0x140 [ 530.784060] ? do_syscall_64+0xb7/0x9d0 [ 530.788030] SyS_mkdir+0x22/0x30 [ 530.791396] ? SyS_mkdirat+0x30/0x30 [ 530.795103] do_syscall_64+0x29e/0x9d0 [ 530.798981] ? vmalloc_sync_all+0x30/0x30 [ 530.803122] ? _raw_spin_unlock_irq+0x27/0x70 [ 530.807600] ? finish_task_switch+0x1ca/0x820 [ 530.812077] ? syscall_return_slowpath+0x5c0/0x5c0 [ 530.816987] ? syscall_return_slowpath+0x30f/0x5c0 [ 530.821907] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 530.827275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 530.832120] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 530.837290] RIP: 0033:0x4552d9 [ 530.840461] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 530.848155] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 530.855412] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 530.862670] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 2018/04/06 07:06:24 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:24 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3b09000000000000) 2018/04/06 07:06:24 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x4000000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:24 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:24 executing program 0 (fault-call:3 fault-nth:42): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 530.869934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 530.877204] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000029 [ 530.891437] sctp: [Deprecated]: syz-executor3 (pid 29389) Use of struct sctp_assoc_value in delayed_ack socket option. [ 530.891437] Use struct sctp_sack_info instead 2018/04/06 07:06:24 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x4000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:24 executing program 5: r0 = socket$inet(0xa, 0x6, 0x0) r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x301000, 0x0) bind$pptp(r1, &(0x7f0000000240)={0x18, 0x2, {0x2, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1e) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000280)=@broute={'broute\x00', 0x20, 0x1, 0x1b8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000080], 0x0, &(0x7f0000000040), &(0x7f0000000080)=ANY=[@ANYBLOB="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"]}, 0x230) setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f0000000300)={0x20, 0x4, 0xb2e, 0x4}, 0x10) [ 531.058782] kernel msg: ebtables bug: please report to author: entries_size too small [ 531.070587] kernel msg: ebtables bug: please report to author: entries_size too small [ 531.071461] FAULT_INJECTION: forcing a failure. [ 531.071461] name failslab, interval 1, probability 0, space 0, times 0 [ 531.089993] CPU: 0 PID: 29406 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 531.096836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.106170] Call Trace: [ 531.108743] dump_stack+0x1b9/0x29f [ 531.112354] ? arch_local_irq_restore+0x52/0x52 [ 531.117013] ? rcu_note_context_switch+0x710/0x710 [ 531.121938] should_fail.cold.4+0xa/0x1a [ 531.125997] ? kasan_check_write+0x14/0x20 [ 531.130227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 531.135329] ? __schedule+0x80f/0x1e40 [ 531.139234] ? graph_lock+0x170/0x170 [ 531.143042] ? mutex_trylock+0x2a0/0x2a0 [ 531.147087] ? __lock_acquire+0x7f5/0x5130 [ 531.151303] ? find_held_lock+0x36/0x1c0 [ 531.155354] ? find_held_lock+0x36/0x1c0 [ 531.159399] ? __lock_is_held+0xb5/0x140 [ 531.163462] ? check_same_owner+0x320/0x320 [ 531.167766] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 531.172775] ? rcu_note_context_switch+0x710/0x710 [ 531.177693] should_failslab+0x124/0x180 [ 531.181749] __kmalloc_track_caller+0x2c4/0x760 [ 531.186407] ? string+0x21d/0x2c0 [ 531.189859] ? kstrdup_const+0x66/0x80 [ 531.193725] kstrdup+0x39/0x70 [ 531.196910] kstrdup_const+0x66/0x80 [ 531.200639] __kernfs_new_node+0xa8/0x580 [ 531.204781] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 531.209533] ? pointer+0xa20/0xa20 [ 531.213068] ? graph_lock+0x170/0x170 [ 531.216859] ? plist_requeue+0x630/0x630 [ 531.220903] ? snprintf+0xa5/0xd0 [ 531.224345] ? vsprintf+0x40/0x40 [ 531.227799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.233323] kernfs_new_node+0x80/0xf0 [ 531.237195] __kernfs_create_file+0x4d/0x330 [ 531.241589] cgroup_addrm_files+0x437/0xaf0 [ 531.245899] ? cgroup_css.part.14+0x1f0/0x1f0 [ 531.250380] ? find_held_lock+0x36/0x1c0 [ 531.254432] ? __lock_is_held+0xb5/0x140 [ 531.258486] ? kasan_check_write+0x14/0x20 [ 531.262713] ? online_css+0x259/0x330 [ 531.266513] css_populate_dir+0x1a8/0x420 [ 531.270668] cgroup_apply_control_enable+0x43b/0xce0 [ 531.275790] ? cgroup_propagate_control+0x5a0/0x5a0 [ 531.280816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.286358] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 531.290849] ? cgroup_file_name+0x1f0/0x1f0 [ 531.295167] ? css_populate_dir+0x2a2/0x420 [ 531.299496] cgroup_mkdir+0x825/0x10d0 [ 531.303381] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 531.308119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 531.313636] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 531.318732] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 531.323562] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 531.329087] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 531.334608] ? kernfs_get_active+0xb2/0x120 [ 531.338915] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 531.343652] kernfs_iop_mkdir+0x159/0x1e0 [ 531.347789] ? getname_flags+0xd0/0x5a0 [ 531.351755] vfs_mkdir+0x42e/0x6b0 [ 531.355290] do_mkdirat+0x266/0x2f0 [ 531.358912] ? SyS_mknod+0x40/0x40 [ 531.362442] ? do_syscall_64+0xb7/0x9d0 [ 531.366400] SyS_mkdir+0x22/0x30 [ 531.369751] ? SyS_mkdirat+0x30/0x30 [ 531.373450] do_syscall_64+0x29e/0x9d0 [ 531.377322] ? vmalloc_sync_all+0x30/0x30 [ 531.381455] ? _raw_spin_unlock_irq+0x27/0x70 [ 531.385943] ? finish_task_switch+0x1ca/0x820 [ 531.390437] ? syscall_return_slowpath+0x5c0/0x5c0 [ 531.395353] ? syscall_return_slowpath+0x30f/0x5c0 [ 531.400283] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 531.405642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 531.410482] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 531.415659] RIP: 0033:0x4552d9 [ 531.418835] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 531.426525] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 531.433775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 531.441037] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 531.448292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 531.455549] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002a [ 531.463121] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/04/06 07:06:25 executing program 4: socketpair(0x1, 0xffffffffffffffff, 0x1000, &(0x7f0000000140)={0x0, 0x0}) recvmsg(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)=@l2, 0x1ae, &(0x7f0000000180)=[{&(0x7f0000001440)=""/131, 0xff03}, {&(0x7f0000000000)=""/3, 0x3}, {&(0x7f0000000180)=""/138, 0x8a}, {&(0x7f0000000240)=""/233, 0xe9}], 0x4, &(0x7f0000000380)=""/4096, 0x726}, 0x0) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000002a80)={&(0x7f0000000340)=@nfc={0x27, 0x7fff, 0x1ff}, 0x80, &(0x7f00000000c0), 0x0, &(0x7f0000001500)}, 0x0) sendmsg(r1, &(0x7f00000004c0)={0x0, 0x380, &(0x7f0000000100), 0xa7, &(0x7f0000000200)}, 0x0) getsockopt$inet6_mreq(r0, 0x29, 0x0, &(0x7f0000000080)={@loopback}, &(0x7f00000000c0)=0x14) 2018/04/06 07:06:25 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:25 executing program 0 (fault-call:3 fault-nth:43): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:25 executing program 3: r0 = accept$packet(0xffffffffffffffff, 0x0, &(0x7f00000000c0)) accept4$packet(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, &(0x7f0000000240)=0x14, 0x800) r2 = socket$inet6(0xa, 0x3, 0x3a) getsockopt$IP6T_SO_GET_REVISION_TARGET(r2, 0x29, 0x45, &(0x7f00000005c0)={"95016c2f54494d4552000000000000001ed400"}, &(0x7f0000000600)=0x52b) r3 = socket$nl_crypto(0x10, 0x3, 0x15) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r3, 0x10e, 0x4, &(0x7f0000000040)=0x5, 0x4) socketpair(0x0, 0x7, 0x9e, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = socket$inet6(0xa, 0x800, 0xa) socket$inet6(0xa, 0x80800, 0x2) setsockopt$bt_l2cap_L2CAP_OPTIONS(r5, 0x6, 0x1, &(0x7f0000000480)={0x1f, 0x4, 0x3, 0x6, 0x1f, 0x102000000000, 0x2}, 0xc) setsockopt$inet_dccp_int(r4, 0x21, 0x10, &(0x7f0000000540)=0x4, 0xe9) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f00000009c0)=ANY=[@ANYBLOB="02000000c779e140a3d8da9f4910513ccc244484340efa5bc747b273a8518714149d6f9e3dc9760775f9d1243ae3508eac0a7aaa58e688e0ee17fe810ed67f39fcd1e5cdc42107c001453fc2fed3628d3bfd755c3e964b37cbd11e57e74a1b0154069aa4c5b79ad424263ea901ec9c", @ANYRES32=0x0], &(0x7f0000000100)=0x2) getsockopt$bt_hci(r2, 0x0, 0x2, &(0x7f00000004c0)=""/116, &(0x7f0000000140)=0x74) sendmsg$can_raw(r5, &(0x7f0000000900)={&(0x7f0000000580)={0x1d, r1}, 0x10, &(0x7f00000008c0)={&(0x7f0000000840)=@can={{0x1, 0x2}, 0x1, 0x1, 0x0, 0x0, "9088ca7a5727629d"}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x104) accept$inet6(r5, &(0x7f0000000680), &(0x7f00000006c0)=0x1c) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000780)={'dummy0\x00', r1}) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000280)={0x0, 0x0}, &(0x7f00000002c0)=0xc) setsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000300)={{{@in6=@local={0xfe, 0x80, [], 0xaa}, @in=@dev={0xac, 0x14, 0x14, 0x14}, 0x4e23, 0x2, 0x4e23, 0x2, 0xa, 0x20, 0x20, 0xff, r7, r8}, {0x80000000, 0x2, 0x19, 0x3d4c, 0x100, 0x8, 0x6, 0x7}, {0x1f, 0x3f, 0x5, 0x1}, 0x200, 0x0, 0x1, 0xfffffffffffffffd, 0x2}, {{@in=@dev={0xac, 0x14, 0x14, 0xe}, 0x4d5, 0x33}, 0x2, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x3505, 0x4, 0x1, 0x3ff, 0x507, 0xbd89, 0x9}}, 0xe8) setsockopt$inet6_int(r5, 0x29, 0xcb, &(0x7f0000000000)=0x1, 0x1) setsockopt$inet6_MRT6_ADD_MIF(r2, 0x29, 0xca, &(0x7f0000000400)={0x5, 0x0, 0x0, 0xe}, 0x15f) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0xc9, &(0x7f0000000180)={{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}}, {0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}, 0x5c) setsockopt$inet6_MRT6_ADD_MFC(r2, 0x29, 0xcc, &(0x7f00000007c0)={{0xa, 0x4e20, 0xfffffffffffffffe, @loopback={0x0, 0x1}, 0x1d3a}, {0xa, 0x4e22, 0x3, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x91a}, 0x12, [0x80000001, 0x4, 0x1f, 0x5, 0x3, 0xff, 0xffffffff, 0x3]}, 0x5c) 2018/04/06 07:06:25 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3109000000000000) 2018/04/06 07:06:25 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:25 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x6000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:25 executing program 5: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa, 0x5}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f000086c000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) ioctl$sock_SIOCGIFINDEX(r0, 0x2401, &(0x7f0000003780)={'bcsf0\x00'}) read(r0, &(0x7f00000010c0)=""/4096, 0x1000) sync() ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) membarrier(0x3, 0x0) 2018/04/06 07:06:25 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x600], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:25 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x13c) 2018/04/06 07:06:25 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f0000000400)=ANY=[@ANYBLOB="00000000180000fa0000000000000000", @ANYPTR=&(0x7f0000000180)=ANY=[@ANYRES32=0xffffffff], @ANYBLOB="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"], 0x20) write$rdma_cm(r0, &(0x7f0000000000)=@notify={0xf, 0x0, 0xfa00, {r1, 0x1f}}, 0x28) [ 532.079162] FAULT_INJECTION: forcing a failure. [ 532.079162] name failslab, interval 1, probability 0, space 0, times 0 [ 532.090487] CPU: 1 PID: 29462 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 532.097339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.106695] Call Trace: [ 532.109276] dump_stack+0x1b9/0x29f [ 532.112895] ? arch_local_irq_restore+0x52/0x52 [ 532.117560] should_fail.cold.4+0xa/0x1a [ 532.121607] ? kstrdup_const+0x66/0x80 [ 532.125485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 532.130577] ? cgroup_mkdir+0x825/0x10d0 [ 532.134627] ? vfs_mkdir+0x42e/0x6b0 [ 532.138326] ? do_mkdirat+0x266/0x2f0 [ 532.142108] ? SyS_mkdir+0x22/0x30 [ 532.145635] ? do_syscall_64+0x29e/0x9d0 [ 532.149688] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 532.155048] ? graph_lock+0x170/0x170 [ 532.158836] ? find_held_lock+0x36/0x1c0 [ 532.162897] ? find_held_lock+0x36/0x1c0 [ 532.166952] ? __lock_is_held+0xb5/0x140 [ 532.171022] ? check_same_owner+0x320/0x320 [ 532.175337] ? rcu_note_context_switch+0x710/0x710 [ 532.180258] ? rcu_read_lock_sched_held+0x108/0x120 [ 532.185277] should_failslab+0x124/0x180 [ 532.189332] kmem_cache_alloc+0x2af/0x760 [ 532.193465] ? memcpy+0x45/0x50 [ 532.196733] ? kstrdup+0x59/0x70 [ 532.200092] __kernfs_new_node+0xe7/0x580 [ 532.204230] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 532.208976] ? pointer+0xa20/0xa20 [ 532.212507] ? graph_lock+0x170/0x170 [ 532.216294] ? plist_requeue+0x630/0x630 [ 532.220348] ? snprintf+0xa5/0xd0 [ 532.223788] ? vsprintf+0x40/0x40 [ 532.227232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 532.232763] kernfs_new_node+0x80/0xf0 [ 532.236644] __kernfs_create_file+0x4d/0x330 [ 532.241045] cgroup_addrm_files+0x437/0xaf0 [ 532.245361] ? cgroup_css.part.14+0x1f0/0x1f0 [ 532.249843] ? find_held_lock+0x36/0x1c0 [ 532.253990] ? __lock_is_held+0xb5/0x140 [ 532.258050] ? kasan_check_write+0x14/0x20 [ 532.262272] ? online_css+0x259/0x330 [ 532.266065] css_populate_dir+0x1a8/0x420 [ 532.270204] cgroup_apply_control_enable+0x43b/0xce0 [ 532.275305] ? cgroup_propagate_control+0x5a0/0x5a0 [ 532.280308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 532.286007] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 532.290493] ? cgroup_file_name+0x1f0/0x1f0 [ 532.294810] ? css_populate_dir+0x2a2/0x420 [ 532.299124] cgroup_mkdir+0x825/0x10d0 [ 532.303005] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 532.307755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 532.313279] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 532.318370] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 532.323200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 532.328726] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 532.334248] ? kernfs_get_active+0xb2/0x120 [ 532.338557] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 532.343301] kernfs_iop_mkdir+0x159/0x1e0 [ 532.347434] ? getname_flags+0xd0/0x5a0 [ 532.351399] vfs_mkdir+0x42e/0x6b0 [ 532.354928] do_mkdirat+0x266/0x2f0 [ 532.358546] ? SyS_mknod+0x40/0x40 [ 532.362075] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 532.366903] ? do_syscall_64+0xb7/0x9d0 [ 532.370866] SyS_mkdir+0x22/0x30 [ 532.374219] ? SyS_mkdirat+0x30/0x30 [ 532.377916] do_syscall_64+0x29e/0x9d0 [ 532.381788] ? vmalloc_sync_all+0x30/0x30 [ 532.385924] ? _raw_spin_unlock_irq+0x27/0x70 [ 532.390409] ? finish_task_switch+0x1ca/0x820 [ 532.394895] ? syscall_return_slowpath+0x5c0/0x5c0 [ 532.399831] ? syscall_return_slowpath+0x30f/0x5c0 [ 532.404752] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 532.410110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 532.414944] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 532.420134] RIP: 0033:0x4552d9 [ 532.423308] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 532.431007] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 532.438267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 532.445521] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 532.452775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 532.460032] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002b [ 532.467478] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/04/06 07:06:26 executing program 4: socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x4e1f, @broadcast=0xffffffff}, 0x2) r2 = socket$inet(0x2, 0x6, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000100)='/dev/vcsa#\x00', 0xe2, 0x202080) ioctl$sock_kcm_SIOCKCMUNATTACH(r3, 0x89e1, &(0x7f0000000140)={r1}) ioctl$sock_inet_SIOCGIFADDR(r0, 0x8915, &(0x7f0000000080)={'rose0\x00', {0x2, 0x4e21, @multicast1=0xe0000001}}) setsockopt$EBT_SO_SET_ENTRIES(r2, 0x0, 0x80, &(0x7f0000000280)=@broute={'broute\x00', 0x20, 0x1, 0x230, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000040], 0x0, &(0x7f0000000000), &(0x7f0000000300)=ANY=[@ANYBLOB="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"]}, 0x2ad) 2018/04/06 07:06:26 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:26 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x29000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:26 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$rdma_cm(r0, &(0x7f0000006940)=@create_id={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000006900)={0xffffffff}, 0x2}}, 0x20) r2 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x9, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'gre0\x00', 0x2}, 0x18) write$rdma_cm(r0, &(0x7f0000006980)=ANY=[@ANYBLOB="0e000000000000fa", @ANYPTR=&(0x7f0000006740)=ANY=[@ANYBLOB="10000000"], @ANYRES32=r1, @ANYBLOB="000000000200000000000000"], 0x9d) 2018/04/06 07:06:26 executing program 0 (fault-call:3 fault-nth:44): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:26 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xfeffffff00000000) 2018/04/06 07:06:26 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:26 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='mounts\x00') ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000080)={'ip6gretap0\x00', {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}}) getdents64(r0, &(0x7f0000000000)=""/72, 0x40) getdents64(r0, &(0x7f0000000040), 0xfff1) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000100)={0x0, 0xe448, 0x200, 0x7, 0x744f, 0x9c, 0x1c8dec77, 0x100000000, 0x0}, &(0x7f0000000140)=0x20) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000002c0)={'nr0\x00', 0x1000}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r1, @in6={{0xa, 0x4e21, 0xe211, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x7f}}, [0x5, 0x1, 0x2, 0x400, 0xffffffffffff3b92, 0x81, 0x1, 0x2, 0x3, 0x9df, 0x8, 0x4a34d623, 0x6800000000000000, 0x0, 0xfff]}, &(0x7f0000000280)=0x100) 2018/04/06 07:06:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000380)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish-generic)\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$unix(r1, &(0x7f0000000600)=[{&(0x7f0000000040)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000240)="52b7539a7572cde7694fb9d8e6ab4ad6136d7eae88902c42991f984ecf4fa2eb", 0x20}], 0x1}], 0x1, 0x0) recvmsg(r1, &(0x7f0000000d40)={&(0x7f0000000a40)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @local}}}, 0x80, &(0x7f0000000c40)=[{&(0x7f0000000000)=""/23, 0x17}, {&(0x7f00000009c0)=""/18, 0x12}], 0x2, &(0x7f0000000cc0)=""/97, 0x61}, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r0, 0x4040ae75, &(0x7f00000000c0)={0x1f, 0x7, 0x6, 0x105}) 2018/04/06 07:06:26 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xfe800000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 532.908700] kernel msg: ebtables bug: please report to author: Wrong len argument 2018/04/06 07:06:26 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xc0000000024, &(0x7f0000000080)=0xfffffffffffffffe, 0x4) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @loopback=0x7f000001}, 0x10) fcntl$setstatus(r0, 0x4, 0x800) 2018/04/06 07:06:26 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000180)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") ioctl$DRM_IOCTL_RES_CTX(r0, 0xc0c0583b, &(0x7f0000000100)={0x9292408a782bf05, &(0x7f0000000080)}) [ 532.964950] kernel msg: ebtables bug: please report to author: Wrong len argument [ 533.066833] FAULT_INJECTION: forcing a failure. [ 533.066833] name failslab, interval 1, probability 0, space 0, times 0 [ 533.078128] CPU: 1 PID: 29506 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 533.084971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 533.094318] Call Trace: [ 533.096893] dump_stack+0x1b9/0x29f [ 533.100507] ? arch_local_irq_restore+0x52/0x52 [ 533.105168] should_fail.cold.4+0xa/0x1a [ 533.109210] ? kstrdup_const+0x66/0x80 [ 533.113083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 533.118170] ? cgroup_mkdir+0x825/0x10d0 [ 533.122214] ? vfs_mkdir+0x42e/0x6b0 [ 533.125909] ? do_mkdirat+0x266/0x2f0 [ 533.129707] ? SyS_mkdir+0x22/0x30 [ 533.133245] ? do_syscall_64+0x29e/0x9d0 [ 533.137305] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 533.142665] ? graph_lock+0x170/0x170 [ 533.146446] ? find_held_lock+0x36/0x1c0 [ 533.150490] ? print_usage_bug+0xc0/0xc0 [ 533.154536] ? find_held_lock+0x36/0x1c0 [ 533.158580] ? __lock_is_held+0xb5/0x140 [ 533.162628] ? check_same_owner+0x320/0x320 [ 533.166930] ? rcu_note_context_switch+0x710/0x710 [ 533.171840] ? rcu_read_lock_sched_held+0x108/0x120 [ 533.176851] should_failslab+0x124/0x180 [ 533.180898] kmem_cache_alloc+0x2af/0x760 [ 533.185033] ? memcpy+0x45/0x50 [ 533.188296] ? kstrdup+0x59/0x70 [ 533.191647] __kernfs_new_node+0xe7/0x580 [ 533.195777] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 533.200694] ? pointer+0xa20/0xa20 [ 533.204242] ? graph_lock+0x170/0x170 [ 533.208034] ? plist_requeue+0x630/0x630 [ 533.212083] ? snprintf+0xa5/0xd0 [ 533.215516] ? vsprintf+0x40/0x40 [ 533.218957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.224494] kernfs_new_node+0x80/0xf0 [ 533.228369] __kernfs_create_file+0x4d/0x330 [ 533.232762] cgroup_addrm_files+0x437/0xaf0 [ 533.237069] ? cgroup_css.part.14+0x1f0/0x1f0 [ 533.241546] ? find_held_lock+0x36/0x1c0 [ 533.245593] ? __lock_is_held+0xb5/0x140 [ 533.249637] ? kasan_check_write+0x14/0x20 [ 533.253858] ? online_css+0x259/0x330 [ 533.257806] css_populate_dir+0x1a8/0x420 [ 533.261936] cgroup_apply_control_enable+0x43b/0xce0 [ 533.267036] ? cgroup_propagate_control+0x5a0/0x5a0 [ 533.272039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.277557] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 533.282036] ? cgroup_file_name+0x1f0/0x1f0 [ 533.286346] ? css_populate_dir+0x2a2/0x420 [ 533.290659] cgroup_mkdir+0x825/0x10d0 [ 533.294530] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 533.299269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.304787] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 533.309879] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 533.314715] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 533.320234] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 533.325766] ? kernfs_get_active+0xb2/0x120 [ 533.330070] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 533.334827] kernfs_iop_mkdir+0x159/0x1e0 [ 533.338962] ? getname_flags+0xd0/0x5a0 [ 533.342919] vfs_mkdir+0x42e/0x6b0 [ 533.346442] do_mkdirat+0x266/0x2f0 [ 533.350059] ? SyS_mknod+0x40/0x40 [ 533.353579] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 533.358402] ? do_syscall_64+0xb7/0x9d0 [ 533.362357] SyS_mkdir+0x22/0x30 [ 533.365704] ? SyS_mkdirat+0x30/0x30 [ 533.369401] do_syscall_64+0x29e/0x9d0 [ 533.373271] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 533.378097] ? syscall_return_slowpath+0x5c0/0x5c0 [ 533.383012] ? syscall_return_slowpath+0x30f/0x5c0 [ 533.387936] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 533.393282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 533.398127] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 533.403296] RIP: 0033:0x4552d9 [ 533.406466] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 533.414157] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 533.421408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 533.428658] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 533.435916] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 533.443174] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002c [ 533.450590] cgroup: cgroup_addrm_files: failed to add stat, err=-12 2018/04/06 07:06:27 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xffffffffffffffff) 2018/04/06 07:06:27 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:27 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 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$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000480)='fou\x00') syz_mount_image$btrfs(&(0x7f0000000080)='btrfs\x00', &(0x7f0000000140)='./file0\x00', 0x5, 0x0, &(0x7f0000000180), 0x100000, &(0x7f00000001c0)={[{@nodatasum='nodatasum', 0x2c}, {@compress='compress', 0x2c}, {@usebackuproot='usebackuproot', 0x2c}, {@datacow='datacow', 0x2c}, {@noautodefrag='noautodefrag', 0x2c}, {@fragment_data='fragment=data', 0x2c}, {@notreelog='notreelog', 0x2c}, {@treelog='treelog', 0x2c}]}) sendmsg$FOU_CMD_GET(r0, &(0x7f0000000000)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="ff0f0032000000000003000000080001004e210000"], 0x1c}, 0x1}, 0x0) 2018/04/06 07:06:27 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x80ffffff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:27 executing program 5: r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x13, r0, 0x0) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) fcntl$addseals(r1, 0x409, 0x4) 2018/04/06 07:06:27 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0xa00, 0x0) ioctl$KVM_PPC_ALLOCATE_HTAB(r1, 0xc004aea7, &(0x7f0000000080)=0x7) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) statx(r1, &(0x7f00000000c0)='./file0\x00', 0x400, 0xfff, &(0x7f0000000200)) ioctl$KVM_SET_PIT2(r2, 0xae64, &(0x7f0000000180)) 2018/04/06 07:06:27 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:27 executing program 0 (fault-call:3 fault-nth:45): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:27 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xc0ffffff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:27 executing program 3: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/ignore_tunneled\x00', 0x2, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r0, 0x40405515, &(0x7f00000000c0)={0x80000000, 0x2, 0x1, 0x3a0, "8bd267cb40cc0b3648d3ef2a8f4e1b1cf3e552532fc1746254cce4dc9c6ebf421f8f38c75e159789d2c5ef57", 0xffffffff00000001}) r1 = getuid() r2 = syz_fuse_mount(&(0x7f0000000140)='./file0\x00', 0x0, r1, 0x0, 0xffffffffffffffff, 0x56ae3336c0ed74de) r3 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0xfff, 0x4700) fstat(r2, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000100)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0, 0x0}, &(0x7f0000000280)=0xc) setresgid(r4, r5, r6) ioctl$SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE(r3, 0xc0045520, &(0x7f0000000040)=0xf83) 2018/04/06 07:06:27 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:27 executing program 5: r0 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x1, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_GET_SERVICE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x71a, 0x70bd29, 0x25dfdbff, {0x4}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x4}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40000}, 0x1) mmap(&(0x7f0000000000/0xf50000)=nil, 0xf50000, 0x0, 0x32, 0xffffffffffffffff, 0x0) read(r0, &(0x7f0000000200)=""/90, 0x5a) 2018/04/06 07:06:27 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2d090000) 2018/04/06 07:06:27 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x2000, 0x0) accept$alg(r0, 0x0, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x1}) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r3, r4, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000240)=[@textreal={0x8, &(0x7f0000000140)="d8aca6420f00de0f32660f5f77f0260f01cb0f01ef0f23970f224267f265de1402b8870e8ee8", 0x26}], 0x1, 0x20, &(0x7f0000000280), 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000280)={0x2, {{0xa, 0x4e22, 0x7}}, 0x0, 0x6, [{{0xa, 0x4e23, 0x1, @loopback={0x0, 0x1}, 0xab3d}}, {{0xa, 0x4e23, 0x20, @local={0xfe, 0x80, [], 0xaa}, 0x1}}, {{0xa, 0x4e22, 0x100000000, @local={0xfe, 0x80, [], 0xaa}, 0x6}}, {{0xa, 0x4e23, 0x6, @empty, 0xff}}, {{0xa, 0x4e21, 0x1, @dev={0xfe, 0x80, [], 0x12}}}, {{0xa, 0x4e22, 0x0, @empty, 0x5}}]}, 0x390) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f00000000c0)={{&(0x7f00005c1000/0x2000)=nil, 0x2000}, 0x1}) 2018/04/06 07:06:27 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x3000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 534.066212] FAULT_INJECTION: forcing a failure. [ 534.066212] name failslab, interval 1, probability 0, space 0, times 0 [ 534.077709] CPU: 0 PID: 29551 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 534.084550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.093893] Call Trace: [ 534.096482] dump_stack+0x1b9/0x29f [ 534.100095] ? arch_local_irq_restore+0x52/0x52 [ 534.104752] ? radix_tree_clear_tags+0xc0/0xc0 [ 534.109347] should_fail.cold.4+0xa/0x1a [ 534.113397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 534.118497] ? __might_sleep+0x95/0x190 [ 534.122469] ? graph_lock+0x170/0x170 [ 534.126877] ? __mutex_lock+0x7d9/0x17f0 [ 534.130930] ? kasan_kmalloc+0xc4/0xe0 [ 534.134799] ? kasan_slab_alloc+0x12/0x20 [ 534.138939] ? kmem_cache_alloc+0x12e/0x760 [ 534.143248] ? find_held_lock+0x36/0x1c0 [ 534.147296] ? __lock_is_held+0xb5/0x140 [ 534.151349] ? check_same_owner+0x320/0x320 [ 534.155662] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 534.160663] ? rcu_note_context_switch+0x710/0x710 [ 534.165596] should_failslab+0x124/0x180 [ 534.169656] __kmalloc_track_caller+0x2c4/0x760 [ 534.174331] ? string+0x21d/0x2c0 [ 534.177781] ? kstrdup_const+0x66/0x80 [ 534.181652] kstrdup+0x39/0x70 [ 534.184826] kstrdup_const+0x66/0x80 [ 534.188527] __kernfs_new_node+0xa8/0x580 [ 534.192659] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 534.197403] ? pointer+0xa20/0xa20 [ 534.200937] ? graph_lock+0x170/0x170 [ 534.204737] ? kasan_check_write+0x14/0x20 [ 534.208966] ? snprintf+0xa5/0xd0 [ 534.212414] ? vsprintf+0x40/0x40 [ 534.215865] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 534.220355] kernfs_new_node+0x80/0xf0 [ 534.224228] __kernfs_create_file+0x4d/0x330 [ 534.228620] cgroup_addrm_files+0x437/0xaf0 [ 534.232939] ? cgroup_css.part.14+0x1f0/0x1f0 [ 534.237418] ? find_held_lock+0x36/0x1c0 [ 534.241483] ? __lock_is_held+0xb5/0x140 [ 534.245542] ? kasan_check_write+0x14/0x20 [ 534.249770] ? online_css+0x259/0x330 [ 534.253561] css_populate_dir+0x1a8/0x420 [ 534.257702] cgroup_apply_control_enable+0x43b/0xce0 [ 534.262807] ? cgroup_propagate_control+0x5a0/0x5a0 [ 534.267818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.273350] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 534.277828] ? cgroup_file_name+0x1f0/0x1f0 [ 534.282137] ? css_populate_dir+0x2a2/0x420 [ 534.286453] cgroup_mkdir+0x825/0x10d0 [ 534.290333] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 534.295076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 534.300596] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 534.305683] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 534.310509] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 534.316039] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 534.321568] ? kernfs_get_active+0xb2/0x120 [ 534.325876] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 534.330616] kernfs_iop_mkdir+0x159/0x1e0 [ 534.334753] ? getname_flags+0xd0/0x5a0 [ 534.338709] vfs_mkdir+0x42e/0x6b0 [ 534.342234] do_mkdirat+0x266/0x2f0 [ 534.345845] ? SyS_mknod+0x40/0x40 [ 534.349379] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 534.354214] ? do_syscall_64+0xb7/0x9d0 [ 534.358184] SyS_mkdir+0x22/0x30 [ 534.361541] ? SyS_mkdirat+0x30/0x30 [ 534.365237] do_syscall_64+0x29e/0x9d0 [ 534.369115] ? vmalloc_sync_all+0x30/0x30 [ 534.373262] ? _raw_spin_unlock_irq+0x27/0x70 [ 534.377758] ? finish_task_switch+0x1ca/0x820 [ 534.382256] ? syscall_return_slowpath+0x5c0/0x5c0 [ 534.387173] ? syscall_return_slowpath+0x30f/0x5c0 [ 534.392087] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 534.397450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 534.402288] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 534.407478] RIP: 0033:0x4552d9 [ 534.410657] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 534.418346] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 534.425596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 534.432853] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 534.440114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 534.447369] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002d [ 534.454700] cgroup: cgroup_addrm_files: failed to add max, err=-12 2018/04/06 07:06:28 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x40ef00, 0x0) epoll_ctl$EPOLL_CTL_DEL(r2, 0x2, r0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) mq_unlink(&(0x7f0000000100)='+user!cpusetuserself\x00') bind$unix(r2, &(0x7f0000000080)=@abs={0x0, 0x0, 0x4e23}, 0x6e) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) connect$inet6(r2, &(0x7f0000000140)={0xa, 0x4e21, 0x3e, @dev={0xfe, 0x80, [], 0x14}, 0x3}, 0x1c) ioctl$KVM_SET_VCPU_EVENTS(r3, 0x4040aea0, &(0x7f0000000000)) 2018/04/06 07:06:28 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:28 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xca03) 2018/04/06 07:06:28 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x60], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:28 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000001c0)={"6430714a0000000000000220001600"}) r0 = open(&(0x7f0000000040)='./file0\x00', 0x2, 0x100) connect$unix(r0, &(0x7f0000000100)=@file={0x0, './file0\x00'}, 0x6e) r1 = memfd_create(&(0x7f00000000c0)="70726f63ae6d696d655f74797065776c616e316e6f64657600", 0x4) fcntl$setstatus(r1, 0x4, 0x40800) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x5011, r1, 0x0) 2018/04/06 07:06:28 executing program 0 (fault-call:3 fault-nth:46): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:28 executing program 4: r0 = syz_open_dev$sndtimer(&(0x7f0000f85ff1)='/dev/snd/timer\x00', 0x0, 0x0) fcntl$setstatus(r0, 0x4, 0x42800) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = mmap$binder(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1000002, 0x2010, 0xffffffffffffffff, 0x36) ioctl$BINDER_GET_NODE_DEBUG_INFO(r1, 0xc018620b, &(0x7f0000000040)={r2}) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000080)={0x81, 0x1ff, 0x100, 0x1, 0x5, 0x4}) 2018/04/06 07:06:28 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:28 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x4], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:28 executing program 5: mkdir(&(0x7f00000e1000)='./file0\x00', 0x0) r0 = open$dir(&(0x7f000087eff8)='./file0\x00', 0x0, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000080)=0x0) fcntl$lock(r0, 0x6, &(0x7f00000000c0)={0x2, 0x2, 0xaa0, 0x3, r1}) lseek(r0, 0x80000000002000, 0x3) pwrite64(r0, &(0x7f0000000000)="d58819cfdadfa6a190c135f24eadf9255770c964f3131077fd723bebd776fe3921b36c8ac43ace64c29d1d829b2e77f14b84c352fa872edf64fbdca8743c8ee71d35df7f9ab9a9055d14e233af9d311cac5b91652d63b2fad316c14157b88cc43ce7612da14f1b", 0x67, 0x0) 2018/04/06 07:06:28 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x23090000) 2018/04/06 07:06:28 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:28 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x80ffffff00000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:28 executing program 3: set_mempolicy(0x3, &(0x7f0000000000)=0x9, 0x823) syz_emit_ethernet(0x41, &(0x7f0000000040)=ANY=[@ANYBLOB="0180c2000000b42d87402e5286dd6006f52600300000fe8000000000000000000040000000ffff0200000000000000000000000000010200907800000000600a07ec00000000fe8000000000000000000000000000ff00000000000000000002ffffac140000"], &(0x7f00000000c0)={0x0, 0x10000000000003, [0x0, 0xfffffffffffffffe]}) 2018/04/06 07:06:28 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='memory.events\x00', 0x0, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) connect$pppoe(r0, &(0x7f0000000040)={0x18, 0x0, {0x3, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xb}, "6772653000ba0070000400004000"}}, 0x1c) ioctl$sock_netrom_SIOCGSTAMPNS(r0, 0x8907, &(0x7f0000000100)) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@random="ff3997ffcd00", @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], {@ipv6={0x86dd, {0x0, 0x6, "c8fba2", 0x18, 0x40000000002c, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@mld={0x0, 0xd, 0x0, 0x1a8, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}}}}, 0x0) fcntl$getflags(r0, 0xb) 2018/04/06 07:06:28 executing program 4: r0 = socket$kcm(0x29, 0x1000000000002, 0x0) recvmmsg(r0, &(0x7f0000002c80)=[{{&(0x7f0000000000)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x80, &(0x7f0000001780)=[{&(0x7f0000000080)=""/228, 0xe4}, {&(0x7f00000004c0)=""/4096, 0x1000}, {&(0x7f0000000280)=""/142, 0x8e}, {&(0x7f0000000340)=""/172, 0xac}, {&(0x7f0000000400)=""/31, 0x1f}, {&(0x7f00000014c0)=""/224, 0xe0}, {&(0x7f00000015c0)=""/244, 0xf4}, {&(0x7f00000016c0)=""/187, 0xbb}], 0x8, 0x0, 0x0, 0x5}, 0x800}, {{&(0x7f0000001800)=@ethernet={0x0, @broadcast}, 0x80, &(0x7f0000002bc0)=[{&(0x7f0000001880)=""/4096, 0x1000}, {&(0x7f0000000440)=""/33, 0x21}, {&(0x7f0000002880)=""/190, 0xbe}, {&(0x7f0000002940)=""/206, 0xce}, {&(0x7f0000002a40)=""/207, 0xcf}, {&(0x7f0000002b40)=""/44, 0x2c}, {&(0x7f0000002b80)=""/47, 0x2f}], 0x7, &(0x7f0000002c40)=""/59, 0x3b, 0x1}, 0xfffffffffffffffe}], 0x2, 0x162, &(0x7f0000002d00)) r2 = syz_open_dev$dmmidi(&(0x7f0000002d80)='/dev/dmmidi#\x00', 0xb636, 0x200) ioctl$EVIOCGBITSND(r2, 0x80404532, &(0x7f0000002dc0)=""/229) bind$inet6(r1, &(0x7f0000002d40)={0xa, 0x4e21, 0x6, @mcast2={0xff, 0x2, [], 0x1}, 0x8}, 0x1c) recvfrom(r0, &(0x7f00000001c0)=""/118, 0x76, 0x0, 0x0, 0x0) syz_mount_image$vfat(&(0x7f0000002ec0)='vfat\x00', &(0x7f0000002f00)='./file0\x00', 0xea, 0x1, &(0x7f0000002fc0)=[{&(0x7f0000002f40)="b2dfd1e7e4ebb24766a03ebcc82df0d56c313d43bb572b8bc3dd603084e971f249becb2834d8873a6fc3f0a4e0f3b9d80853a3df448e8d7fcc4966cd4adeadb73881b90427c7c18f72", 0x49, 0x6}], 0x0, &(0x7f0000003000)={[{@gid={'gid', 0x3d, [0x30, 0x36, 0x31, 0x35, 0x36, 0x31]}, 0x2c}, {@check_normal='check=normal', 0x2c}, {@errors_remount='errors=remount-ro', 0x2c}]}) sendmsg$kcm(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f0000000480)='_', 0x1}], 0x1, &(0x7f0000000640)}, 0x0) 2018/04/06 07:06:29 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x6, 0x4) sendto$inet6(r0, &(0x7f0000003fd9), 0x34d, 0x0, &(0x7f0000005fe4)={0xa, 0x0, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x16) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0, 0x28) sendmsg$unix(r1, &(0x7f00000005c0)={&(0x7f0000000040)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000540)=[{&(0x7f00000000c0)="7a9203e9c893cb9322ffb35d4f42696536c558c0e81fb5c512756c42278390928f465aede6e29f324cf49f890de08ad11fb3ebda06d1619dd6f5f7e3814c83dc27b3e9bf75c271f8eaf70d7f0f1ac7323ac3e797fb0e211a17a7c4ac5f6fd9ecd44196bd4d676403522472541a3d4afec907f561f2c1275bad3d36d8b3ab0945e0bf3b4ecc3154d9c9b667d12a8b268a703896f12d9c94b6e2a50951d53e7a6255d63cb4068d579bdec6", 0xaa}, {&(0x7f0000000180)="6a25341412cc8f8c556bf20341f2b636eaefa11b3cf123bbf2fa765ed8a9e7", 0x1f}, {&(0x7f00000001c0)="5850b39283ffc6c1543d7e05a84db29511871a4a188642037edb59c3bf4d6c6f885273410a46784128465713a6da51e6f3e35271cd332e4174815c0ce9fa06168c64f199a5225105e487b0e6752f75d2b196354a1362c77f2a3e44fddad481d9b1555682e7d338fe481caa33bec450c34244d839ef745778f22669f459bccd6699f1173f93785893dafa5a6d7da12d222aec511b0395719c96cabd27a0487114985160a3b748f3f034d890fc8233b2e3442321042251eb20b2221d35a55e07d56185da6e02f3b46d12ed7a3775102b2fdc29556e1ae212d74da55d4c9f7b4b", 0xdf}, {&(0x7f00000002c0)="c175688e956aa702867c4585243088a1632a39ba9ad1dcfdbfee25199c09d017b4284b8a8dac7802365093c605127d9185e6b8bc3f0d44c8ac760d9656e8e33567ba8ab0c563b1eeb9950c16a49783b2836f2fe31cf69c622755314bf3b3a1c45bb9515083327641b0a13d0582b3dfdd82588721695b529af75d976f1c75cf911dfb7ed3fe2de5cfe3b583d86b", 0x8d}, {&(0x7f0000000380)="fab1712be11b9392b798a98ca5bdbb46dc7de509aff0424d029645232d6412e984436baa427d41ec5f6e1c5a21dbf16f8c90231674c37d90515bdd3393e270f4a52be0a7fda42fd6906625859c0c41926e1643d4f0fd58bc814ff9122c89e054593dac8e57c16977df0ad772", 0x6c}, {&(0x7f0000000400)="1f46f60e631956b2dd20f867bc04114cdabad97996b7fe4ce2d20c05d9a1b8da3f6dd3a02d322e1c8c9304586d2b5cf14fb5da5c94e886d85addccdc0007fa98309ea41bf61f4eae6caad87f8f1c16e72b265d98bc90c664cbf00989985b05360ebdb7c7963cbf6f72628f666848e781dda343df97aa740c762ced9f894b25ff620b2f9115dc87e82baf8f19fc05e522b28757ab6713041502acc128a775d144da0cbe6df27b725a5cbcd90eac4f67f6a3ae2a2eeeb33cdd31b7cf5ea22e1d337b9e4e75dd10cd948325730f54928a96ada306c2db36793b43a7cf9559b70715bc214afbadc77a35a378f23b99e349edcf83d746", 0xf4}, {&(0x7f0000000500)="4947754ae3eb4352cffaf07a45707d4007b05543723978551472174a32482966aec74e73eab68e5d4c8260730c391c4dfff2", 0x32}], 0x7, 0x0, 0x0, 0x10}, 0x880) 2018/04/06 07:06:29 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xc0ffffff00000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 535.295826] FAULT_INJECTION: forcing a failure. [ 535.295826] name failslab, interval 1, probability 0, space 0, times 0 [ 535.307137] CPU: 0 PID: 29613 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 535.313983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.323329] Call Trace: [ 535.325900] dump_stack+0x1b9/0x29f [ 535.329512] ? arch_local_irq_restore+0x52/0x52 [ 535.334167] should_fail.cold.4+0xa/0x1a [ 535.338218] ? kstrdup_const+0x66/0x80 [ 535.342097] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 535.347182] ? cgroup_mkdir+0x825/0x10d0 [ 535.351226] ? vfs_mkdir+0x42e/0x6b0 [ 535.354921] ? do_mkdirat+0x266/0x2f0 [ 535.358702] ? SyS_mkdir+0x22/0x30 [ 535.362236] ? do_syscall_64+0x29e/0x9d0 [ 535.366301] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 535.371647] ? graph_lock+0x170/0x170 [ 535.375427] ? find_held_lock+0x36/0x1c0 [ 535.379471] ? print_usage_bug+0xc0/0xc0 [ 535.383516] ? find_held_lock+0x36/0x1c0 [ 535.387577] ? __lock_is_held+0xb5/0x140 [ 535.391634] ? check_same_owner+0x320/0x320 [ 535.395939] ? rcu_note_context_switch+0x710/0x710 [ 535.400862] ? rcu_read_lock_sched_held+0x108/0x120 [ 535.405875] should_failslab+0x124/0x180 [ 535.409922] kmem_cache_alloc+0x2af/0x760 [ 535.414055] ? memcpy+0x45/0x50 [ 535.417318] ? kstrdup+0x59/0x70 [ 535.420674] __kernfs_new_node+0xe7/0x580 [ 535.424805] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 535.429558] ? pointer+0xa20/0xa20 [ 535.433093] ? graph_lock+0x170/0x170 [ 535.436874] ? kasan_check_write+0x14/0x20 [ 535.441095] ? snprintf+0xa5/0xd0 [ 535.444531] ? vsprintf+0x40/0x40 [ 535.447964] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 535.452442] kernfs_new_node+0x80/0xf0 [ 535.456312] __kernfs_create_file+0x4d/0x330 [ 535.460700] cgroup_addrm_files+0x437/0xaf0 [ 535.465009] ? cgroup_css.part.14+0x1f0/0x1f0 [ 535.469493] ? find_held_lock+0x36/0x1c0 [ 535.473544] ? __lock_is_held+0xb5/0x140 [ 535.477591] ? kasan_check_write+0x14/0x20 [ 535.481807] ? online_css+0x259/0x330 [ 535.485589] css_populate_dir+0x1a8/0x420 [ 535.489722] cgroup_apply_control_enable+0x43b/0xce0 [ 535.494814] ? cgroup_propagate_control+0x5a0/0x5a0 [ 535.499813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 535.505333] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 535.509808] ? cgroup_file_name+0x1f0/0x1f0 [ 535.514112] ? css_populate_dir+0x2a2/0x420 [ 535.518417] cgroup_mkdir+0x825/0x10d0 [ 535.522291] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 535.527040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 535.532568] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 535.537662] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 535.542497] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 535.548025] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 535.553554] ? kernfs_get_active+0xb2/0x120 [ 535.557858] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 535.562595] kernfs_iop_mkdir+0x159/0x1e0 [ 535.566722] ? getname_flags+0xd0/0x5a0 [ 535.570690] vfs_mkdir+0x42e/0x6b0 [ 535.574221] do_mkdirat+0x266/0x2f0 [ 535.577828] ? SyS_mknod+0x40/0x40 [ 535.581350] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 535.586184] ? do_syscall_64+0xb7/0x9d0 [ 535.590144] SyS_mkdir+0x22/0x30 [ 535.593489] ? SyS_mkdirat+0x30/0x30 [ 535.597198] do_syscall_64+0x29e/0x9d0 [ 535.601070] ? vmalloc_sync_all+0x30/0x30 [ 535.605201] ? _raw_spin_unlock_irq+0x27/0x70 [ 535.609681] ? finish_task_switch+0x1ca/0x820 [ 535.614159] ? syscall_return_slowpath+0x5c0/0x5c0 [ 535.619082] ? syscall_return_slowpath+0x30f/0x5c0 [ 535.624007] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 535.629363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 535.634190] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 535.639358] RIP: 0033:0x4552d9 [ 535.642528] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 535.650770] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 535.658033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 535.665294] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 535.672543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 535.679794] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002e [ 535.687235] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/06 07:06:29 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xf8020000) 2018/04/06 07:06:29 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = userfaultfd(0x0) r2 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x6, 0x100) openat$cgroup(r2, &(0x7f0000000040)='syz0\x00', 0x200002, 0x0) r3 = dup3(r0, r1, 0x0) setsockopt$ALG_SET_AEAD_AUTHSIZE(r3, 0x29, 0x7, 0x7fffffffefff, 0x100000000) 2018/04/06 07:06:29 executing program 5: perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shutdown(0xffffffffffffffff, 0x0) r0 = accept$inet(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, @multicast1}, &(0x7f00000000c0)=0x10) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000100)=0x8, 0x4) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer2\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f00005c5ff3)='/dev/net/tun\x00', 0x0) r2 = syz_open_dev$sndseq(&(0x7f0000042000)='/dev/snd/seq\x00', 0x0, 0x802) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r2, 0x404c534a, &(0x7f0000000000)={0x0, 0x0, 0x10001}) socket$inet_icmp(0x2, 0x2, 0x1) dup2(r2, r1) write$sndseq(r1, &(0x7f0000000e50), 0x32e) 2018/04/06 07:06:29 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x3f000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:29 executing program 0 (fault-call:3 fault-nth:47): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:29 executing program 3: r0 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x100, 0x4000) ioctl$sock_ifreq(r0, 0x89d7, &(0x7f0000000040)={'nr0\x00', @ifru_ivalue=0x7}) close(r0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f000001f000)={0x26, 'aead\x00', 0x0, 0x0, 'authencesn(sha3-224-generic,cbc-camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000080)="1518c589", 0x4) 2018/04/06 07:06:29 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:30 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xc0fe], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:30 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x2009000000000000) 2018/04/06 07:06:30 executing program 3: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000080)=0xc) r3 = add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffff8) keyctl$get_persistent(0x16, r2, r3) prctl$setmm(0x23, 0x1, &(0x7f0000ffb000/0x4000)=nil) listen(r1, 0x0) getsockopt$netrom_NETROM_T4(r1, 0x103, 0x6, &(0x7f0000000140)=0x7ca, &(0x7f0000000180)=0x4) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='bbr\x00', 0x4) ioctl$sock_bt_cmtp_CMTPCONNADD(r1, 0x400443c8, &(0x7f00000001c0)={r0, 0x4}) socket$inet_icmp_raw(0x2, 0x3, 0x1) 2018/04/06 07:06:30 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000ff7)='/dev/kvm\x00', 0x0, 0x0) finit_module(r0, &(0x7f0000000000)="217070703176626f786e6574318740656d316c6f00", 0x0) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffff9c, 0x84, 0xe, &(0x7f0000000080)={0x0, 0x4, 0x0, 0x1f, 0xf0aa, 0x200, 0x7, 0xa0000000, {0x0, @in={{0x2, 0x4e21, @loopback=0x7f000001}}, 0xffffffffffff7fff, 0x4, 0xe94, 0x9, 0xdc8f}}, &(0x7f0000000140)=0xb0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000180)={r1, 0x20}, &(0x7f00000001c0)=0x405b1baf) getsockopt$inet_buf(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)=""/17, &(0x7f0000005000)=0x11) ioctl$KVM_GET_SUPPORTED_CPUID(r0, 0xc008ae05, &(0x7f0000005000)=""/20) [ 536.424598] FAULT_INJECTION: forcing a failure. [ 536.424598] name failslab, interval 1, probability 0, space 0, times 0 [ 536.435911] CPU: 1 PID: 29661 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 536.442758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.452104] Call Trace: [ 536.454681] dump_stack+0x1b9/0x29f [ 536.458295] ? arch_local_irq_restore+0x52/0x52 [ 536.462950] ? radix_tree_clear_tags+0xc0/0xc0 [ 536.467523] should_fail.cold.4+0xa/0x1a [ 536.471569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 536.476656] ? __might_sleep+0x95/0x190 [ 536.481305] ? graph_lock+0x170/0x170 [ 536.485089] ? __mutex_lock+0x7d9/0x17f0 [ 536.489132] ? kasan_kmalloc+0xc4/0xe0 [ 536.493003] ? kasan_slab_alloc+0x12/0x20 [ 536.497143] ? kmem_cache_alloc+0x12e/0x760 [ 536.501449] ? find_held_lock+0x36/0x1c0 [ 536.505503] ? __lock_is_held+0xb5/0x140 [ 536.509567] ? check_same_owner+0x320/0x320 [ 536.513871] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 536.518881] ? rcu_note_context_switch+0x710/0x710 [ 536.523808] should_failslab+0x124/0x180 [ 536.527854] __kmalloc_track_caller+0x2c4/0x760 [ 536.532505] ? string+0x21d/0x2c0 [ 536.535944] ? kstrdup_const+0x66/0x80 [ 536.539810] kstrdup+0x39/0x70 [ 536.542985] kstrdup_const+0x66/0x80 [ 536.546684] __kernfs_new_node+0xa8/0x580 [ 536.550816] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 536.555553] ? pointer+0xa20/0xa20 [ 536.559078] ? graph_lock+0x170/0x170 [ 536.562874] ? kasan_check_write+0x14/0x20 [ 536.567104] ? snprintf+0xa5/0xd0 [ 536.570538] ? vsprintf+0x40/0x40 [ 536.573992] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 536.578477] kernfs_new_node+0x80/0xf0 [ 536.582367] __kernfs_create_file+0x4d/0x330 [ 536.586766] cgroup_addrm_files+0x437/0xaf0 [ 536.591078] ? cgroup_css.part.14+0x1f0/0x1f0 [ 536.595641] ? find_held_lock+0x36/0x1c0 [ 536.599691] ? __lock_is_held+0xb5/0x140 [ 536.603751] ? kasan_check_write+0x14/0x20 [ 536.607963] ? online_css+0x259/0x330 [ 536.611750] css_populate_dir+0x1a8/0x420 [ 536.615880] cgroup_apply_control_enable+0x43b/0xce0 [ 536.620969] ? cgroup_propagate_control+0x5a0/0x5a0 [ 536.625966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 536.631482] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 536.635957] ? cgroup_file_name+0x1f0/0x1f0 [ 536.640262] ? css_populate_dir+0x2a2/0x420 [ 536.644565] cgroup_mkdir+0x825/0x10d0 [ 536.648438] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 536.653176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 536.658693] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 536.663775] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 536.668599] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 536.674118] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 536.679635] ? kernfs_get_active+0xb2/0x120 [ 536.683940] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 536.688679] kernfs_iop_mkdir+0x159/0x1e0 [ 536.692804] ? getname_flags+0xd0/0x5a0 [ 536.696759] vfs_mkdir+0x42e/0x6b0 [ 536.700280] do_mkdirat+0x266/0x2f0 [ 536.703886] ? SyS_mknod+0x40/0x40 [ 536.707407] ? ksys_mount+0xa8/0x140 [ 536.711103] ? do_syscall_64+0xb7/0x9d0 [ 536.715060] SyS_mkdir+0x22/0x30 [ 536.718405] ? SyS_mkdirat+0x30/0x30 [ 536.722109] do_syscall_64+0x29e/0x9d0 [ 536.725996] ? vmalloc_sync_all+0x30/0x30 [ 536.730139] ? _raw_spin_unlock_irq+0x27/0x70 [ 536.734635] ? finish_task_switch+0x1ca/0x820 [ 536.739119] ? syscall_return_slowpath+0x5c0/0x5c0 [ 536.744039] ? syscall_return_slowpath+0x30f/0x5c0 [ 536.748964] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 536.754310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 536.759153] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 536.764325] RIP: 0033:0x4552d9 [ 536.767494] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 536.775185] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 536.782433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 536.789684] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 536.796930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 536.804177] R13: 00000000000003ea R14: 00000000006f8e90 R15: 000000000000002f [ 536.811748] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/06 07:06:30 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x4000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:30 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:30 executing program 4: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffffff) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = syz_open_dev$sndmidi(&(0x7f0000000040)='/dev/snd/midiC#D#\x00', 0x6, 0x400080) ioctl$LOOP_CHANGE_FD(r0, 0x4c06, r0) r2 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_ADD(r0, 0x4c80, r2) getpeername$packet(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000100)={r3, 0x1, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x10) ioctl$KVM_HAS_DEVICE_ATTR(r0, 0x4018aee3, &(0x7f0000000180)={0x0, 0x3, 0x6, &(0x7f0000000140)}) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f00000001c0)={r3, 0x1, 0x6}, 0x10) syz_mount_image$ext4(&(0x7f0000000200)='ext3\x00', &(0x7f0000000240)='./file0\x00', 0x400, 0x6, &(0x7f00000006c0)=[{&(0x7f0000000280)="564e3248362160ab8104e771e924557e830d28b9eb3ce21fe0e29b358e740f0eb86af4b663452043b4f0b3876df6d33b224c133f6eab9b7e93c48c51d3a18bcc67b9e8641600907b167ecd9e72089b7455986aa554bb0efa4c6656c2763bb83f28a8bdf5a614b24caf57a50aaefdb0165433a244ab19f186e7", 0x79, 0x2}, {&(0x7f0000000300)="a6ce54617c1da83a76660efeb78a3d2e82076a9d6f48d6ca3d7ca2f027b1ba0d41e39db5663b821cc4bcc049cadc41177cb09be50d6efd3cd58eef09f590f6d11ee993f002243052fc01d87e35f946d7cdab1bf7251c7d07d97e52fa881c43e7e7c142635333b91f29ba000f327e1df9ecca63e5d0a6904c1a6f584d2f71dbff95bd6eb90dde3ac8115fe1f4c78012f2c6b90a3ece15ee9ec4a687bd705778841cf2b5fddfe97eec4e45a93f64fb3b9658c0983cdb9a4ef768aa542f6f509ae7a9a8548a56fbc6d626427025bcd5bc127e162585", 0xd4, 0xfffffffffffffff9}, {&(0x7f0000000400)="6f727f66c2747ca83b4ae9e3488dc696cd230c54e86f77aa61c21d6ed641be974683324f53633da896c4d2d919256687e19dca9493960772e45956cc4e0f6076f394ad52809a442727e242368378935c3a55e9924438fb65e7e1f13dd79c012cdf71efbea840e02ca93f0fc0897abf8a8a1aec23bacf27229e6f164a02772d0d7b26daa9817f2fb8fb97b75519afff525d33faa040808ef7dd889214393fd0f78ba3f1db6db33ee3e127ecd717bee4f423cba486bba3ad37efb230f1d77eced7376cbe7e24e1f8afdd929a49b5e3ac5294214bd092c748a17b", 0xd9, 0xffffffffffffffe1}, {&(0x7f0000000500)="7f9f5f3284047ded3abb33bda3d87e3ba13f9aa79bd86277549c4280f6a2cc68cd863569cd486ebb32f99a09cfd14a5897d5e44582a5612686", 0x39, 0x3}, {&(0x7f0000000540)="5b981b63a1da6c60c4073eb28a32711eb379068a76b050e8056f6e58ace9f2d9b43f5660fb4ff0d6fa59e647658d2e15669c49c6d532aecc7c9d5030d0dfe91eb190a1d26de0b95b8df6a48a87f4a7378e6fa0d5fc7383715458014771e139aade90c0ca8823889ebb1851c069862bc50563092b89eacc27436d82939552ef7a0fed07e1241d435d180aaed8f5ff19c268e509571d4f24f14f2528ada5aeedeab4c176a4a4379e3914e282edd9574c0d31b3954ccffcf0d5f90fa1233436a6dab16533b8530aacf5afaa98c2", 0xcc, 0x4}, {&(0x7f0000000640)="788c2a9669d4237e87d5a215f007ef17a1d4571655e641b21caea261eb6a4d7bc04dee730b1683aad1bd41918d41a1d11bf2d7fa7f844ba5731a48d2afc6c8972e74233a1647fb13fea75cdf62e16e4e61af32ca3aa7e3", 0x57, 0x1}], 0x40001, &(0x7f0000000780)={[{@noacl='noacl', 0x2c}, {@jqfmt_vfsv1='jqfmt=vfsv1', 0x2c}, {@barrier_val={'barrier', 0x3d, [0x33]}, 0x2c}]}) write$binfmt_elf64(r1, &(0x7f00000007c0)={{0x7f, 0x45, 0x4c, 0x46, 0x5, 0x10001, 0x46d, 0x2, 0x6, 0x2, 0x3e, 0x7, 0x310, 0x40, 0x278, 0x0, 0xffffffffffffffc0, 0x38, 0x2, 0x1f, 0xadc3, 0x3}, [{0x60000000, 0x101, 0x99, 0x8001, 0x5, 0x7fffffff, 0x1, 0x5e7}, {0x3, 0x6, 0x101, 0x2, 0x7, 0x2385, 0x5, 0x140000}], "8f05081633899b7c79995728cc9fa1469e509eb0cd60b56a9325ae8d7263e33a787670fde464a2d4e60ee94667f761f827b70482b746bb4a355d9d82ade9084b0b2db1fc800ec68b3de9777c35a6baa2bf8f90346884eb80038855386ab1a440e9e0957f82620f4d593408a547691aecb6770682b7ae5618ba3deea5716738b462", [[], [], [], []]}, 0x531) r4 = syz_open_dev$mouse(&(0x7f0000000d00)='/dev/input/mouse#\x00', 0x100000001, 0xa000) listen(r0, 0x460720dd) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0x7, &(0x7f0000000d40)={0x4, 0x400, 0x1, 0x7}, 0x10) fremovexattr(r0, &(0x7f0000000d80)=@known='system.sockprotoname\x00') r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000dc0)='/dev/vcs\x00', 0x2000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r4, 0xc08c5334, &(0x7f0000000e00)={0x6, 0x8, 0x2, 'queue0\x00'}) epoll_wait(r4, &(0x7f0000000ec0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}, {}], 0xa, 0x4) r6 = dup2(r1, r1) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000f40)={'sit0\x00', r3}) syz_open_dev$sndtimer(&(0x7f0000000f80)='/dev/snd/timer\x00', 0x0, 0x40) lstat(&(0x7f0000001000)='./file0\x00', &(0x7f0000001040)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$nl_netfilter(r0, &(0x7f00000012c0)={&(0x7f0000000fc0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000001280)={&(0x7f00000010c0)={0x1b4, 0x8, 0x4, 0x204, 0x70bd2d, 0x25dfdbfe, {0xe}, [@typed={0x8, 0x7b, @u32=0xffffffffffffffff}, @nested={0x128, 0x32, [@generic="a737f33d83952eadd6133a0626c57c0d452a27545c889fbf6d2b3af39caae2fd20fc9fd4bb8c5403fe7319815e0a357b9bab3d06219a03ee0a70dbfd47223b1f4f81e867a149417bc440ec1d8d010aebf08aacbb7b6238441834ee3397a12a861d3c444e16beb663105e8ee7d929887aadc54abd560e", @typed={0x8, 0x57, @uid=r7}, @generic="2efa062031ba94776f12f819b4e70a09b030576445f91c0f54d5adf756228077fcb538e54adf14262c7353ffd6658c146b2cae58c6f969e73e512d1978d1933b", @generic="6ea640d494f794bd0198d6a3131b80eb4329b9757001d51bf5eaff6e384f8c0b795e05ebbf2f70f3bdd6184f47800af5e9c3876904d024aa08a2ed", @generic="c2ced00392dec9337e4b87e09abb9059a2bcd29c8a37970016306b109e957190f0e666639636b4b40c07"]}, @nested={0x70, 0x57, [@generic="0e6ca5319f06f0e9c4d25f2597ccb78e224309d00cf8a971080d04934129f55d60bb4b18d998", @generic="e5fa5e8ec383ae6802742d6993153c3df2e4c5685236b1f50a71bdd7bbb1024c3aa4edbe941c5bdd9635d1757337e758f19023d963dd50746a97eda145d35ea9e419c1"]}]}, 0x1b4}, 0x1, 0x0, 0x0, 0x4000}, 0x4000004) ioctl$DRM_IOCTL_FREE_BUFS(r0, 0x4010641a, &(0x7f0000001340)={0x5, &(0x7f0000001300)=[0x2d, 0x3800, 0x400, 0xfffffffffffffff9, 0xfffffffffffffffd]}) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r4, 0x84, 0x6d, &(0x7f0000001380)={0x0, 0x1000, "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"}, &(0x7f00000023c0)=0x1008) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000002400)={r8, 0x200, 0x30}, &(0x7f0000002440)=0xc) getsockopt$bt_BT_SNDMTU(r5, 0x112, 0xc, &(0x7f0000002480)=0x1, &(0x7f00000024c0)=0x2) accept4$vsock_stream(r1, &(0x7f0000002500)={0x28, 0x0, 0x0, @any=0xffffffff}, 0x10, 0x80000) accept4$netrom(r6, &(0x7f0000002540), &(0x7f0000002580)=0x10, 0x80800) 2018/04/06 07:06:30 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x28090000) 2018/04/06 07:06:30 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@dev={0xfe, 0x80, [], 0x17}}, 0x1f2) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000040)={@dev={0xfe, 0x80}}, 0x14) syz_extract_tcp_res(&(0x7f0000000000), 0x8, 0xffffffffffffffff) 2018/04/06 07:06:30 executing program 3: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x20202, 0x0) bind$vsock_stream(r0, &(0x7f0000000040)={0x28, 0x0, 0x2711, @reserved=0x1}, 0x10) r1 = syz_open_dev$evdev(&(0x7f0000237fee)='/dev/input/event#\x00', 0x2, 0x28001) write$evdev(r1, &(0x7f0000037fe8)=[{{}, 0x1, 0x4b, 0x2}, {}], 0x30) 2018/04/06 07:06:30 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:30 executing program 0 (fault-call:3 fault-nth:48): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:31 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000ffa000/0x1000)=nil}) r0 = socket$inet6(0xa, 0x3, 0x400000001) sendmmsg(r0, &(0x7f0000001d80)=[{{&(0x7f0000000000)=@in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}, 0xa}, 0x80, &(0x7f0000000080), 0x0, &(0x7f0000000080)}}], 0x1, 0x0) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x40000, 0x0) clone(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) fcntl$setlease(0xffffffffffffffff, 0x400, 0x0) r2 = perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VT_SETMODE(r1, 0x5602, &(0x7f0000000140)={0x3, 0x3, 0x9, 0x1, 0x8000}) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r1, 0x28, 0x2, &(0x7f0000000340)=0x7, 0x8) r3 = socket$key(0xf, 0x3, 0x2) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a}, &(0x7f0000000300)="030b", 0x2, 0xfffffffffffffffd) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000540), &(0x7f00000003c0)=0xc) keyctl$chown(0x4, r4, 0x0, 0x0) getuid() fcntl$getown(0xffffffffffffffff, 0x9) signalfd(r2, &(0x7f00000002c0)={0x4}, 0x8) ioctl$sock_ipx_SIOCGIFADDR(0xffffffffffffffff, 0x8915, &(0x7f0000000100)={'dummy0\x00', {0x4, 0x7ff, 0x0, "0be47daea147"}}) sysfs$3(0x3) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000280)={0x0, 0x9, 0x400, 0x0, 0x2, 0x100}) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000100)='highspeed\x00', 0xa) r5 = socket$inet_smc(0x2b, 0x1, 0x0) poll(&(0x7f0000000080)=[{r5}], 0x1, 0x0) getpid() write(r1, &(0x7f0000000200)="0dcf1f2324fa28b0eaf4815548569a0814585413a8aea84be0d34c23848c", 0x1e) r6 = socket$bt_cmtp(0x1f, 0x3, 0x5) connect(r6, &(0x7f0000000600)=@pppol2tpv3in6={0x18, 0x1, {0x0, r5, 0x4, 0x4, 0x1, 0x2, {0xa, 0x4e24, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x81}}}, 0x80) 2018/04/06 07:06:31 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x2900], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:31 executing program 3: io_setup(0x7f, &(0x7f0000000000)=0x0) io_getevents(r0, 0x9, 0x2, &(0x7f0000000040)=[{}, {}], &(0x7f0000000080)={0x77359400}) mincore(&(0x7f0000ffd000/0x2000)=nil, 0x2000, &(0x7f0000000140)=""/225) r1 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x1) ioctl$KVM_ASSIGN_PCI_DEVICE(r1, 0x8040ae69, &(0x7f0000000100)={0x7, 0x13, 0xffffffff00000000, 0x4, 0x5}) mmap(&(0x7f0000000000/0xae0000)=nil, 0xae0000, 0x0, 0x4d031, 0xffffffffffffffff, 0x40000) futex(&(0x7f0000000ffc), 0x85, 0x0, &(0x7f0000000ff8), &(0x7f0000000ffc), 0x0) r2 = getpgid(0xffffffffffffffff) r3 = getpgid(0x0) rt_tgsigqueueinfo(r2, r3, 0x9, &(0x7f0000000240)={0x16, 0x0, 0x20, 0x60}) 2018/04/06 07:06:31 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x30090000) 2018/04/06 07:06:31 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x0, 0x64031, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_CLOCK(r1, 0x4030ae7b, &(0x7f00000000c0)) r2 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0xfff, 0x101000) getsockopt$inet_sctp6_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000040)=@assoc_value={0x0}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000100)={r3, 0x0, 0x3}, &(0x7f0000000140)=0x8) 2018/04/06 07:06:31 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:31 executing program 3: r0 = syz_open_dev$binder(&(0x7f0000c93000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r0, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000007000)={0x8, 0x0, &(0x7f0000005fd4)=[@acquire={0x40046305}], 0x0, 0x0, &(0x7f0000002000)}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000008fd0)={0x4, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="0e630c40"], 0x0, 0x0, &(0x7f0000006600)}) ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f000000dfd0)={0x14, 0x0, &(0x7f000000cf68)=[@request_death={0x400c630f}, @enter_looper={0x630c}], 0x1, 0x0, &(0x7f0000008f37)="c2"}) 2018/04/06 07:06:31 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xfec0], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:31 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3109) 2018/04/06 07:06:31 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x200000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:31 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) [ 537.449983] binder: BINDER_SET_CONTEXT_MGR already set [ 537.469488] binder: 29709:29711 ioctl 40046207 0 returned -16 2018/04/06 07:06:31 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) setsockopt$sock_void(r1, 0x1, 0x0, 0x0, 0x0) r3 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x4000, 0x0) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000080)=0x4df, 0x4) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000000c0)={0x1, 0x0, [{0xc0000102, 0x0, 0x4000000000000000}]}) 2018/04/06 07:06:31 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0xb803) 2018/04/06 07:06:31 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x3f00000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 537.674197] FAULT_INJECTION: forcing a failure. [ 537.674197] name failslab, interval 1, probability 0, space 0, times 0 [ 537.685559] CPU: 1 PID: 29736 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 537.692391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 537.701722] Call Trace: [ 537.704296] dump_stack+0x1b9/0x29f [ 537.707907] ? arch_local_irq_restore+0x52/0x52 [ 537.712567] should_fail.cold.4+0xa/0x1a [ 537.716611] ? kstrdup_const+0x66/0x80 [ 537.720481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 537.725566] ? cgroup_mkdir+0x825/0x10d0 [ 537.729611] ? vfs_mkdir+0x42e/0x6b0 [ 537.733306] ? do_mkdirat+0x266/0x2f0 [ 537.737084] ? SyS_mkdir+0x22/0x30 [ 537.740609] ? do_syscall_64+0x29e/0x9d0 [ 537.744658] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 537.750012] ? graph_lock+0x170/0x170 [ 537.753800] ? find_held_lock+0x36/0x1c0 [ 537.757844] ? print_usage_bug+0xc0/0xc0 [ 537.761891] ? find_held_lock+0x36/0x1c0 [ 537.765942] ? __lock_is_held+0xb5/0x140 [ 537.769994] ? check_same_owner+0x320/0x320 [ 537.774308] ? rcu_note_context_switch+0x710/0x710 [ 537.779226] ? rcu_read_lock_sched_held+0x108/0x120 [ 537.784229] should_failslab+0x124/0x180 [ 537.788280] kmem_cache_alloc+0x2af/0x760 [ 537.792409] ? memcpy+0x45/0x50 [ 537.795672] ? kstrdup+0x59/0x70 [ 537.799033] __kernfs_new_node+0xe7/0x580 [ 537.803169] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 537.807908] ? pointer+0xa20/0xa20 [ 537.811436] ? graph_lock+0x170/0x170 [ 537.815221] ? kasan_check_write+0x14/0x20 [ 537.819439] ? snprintf+0xa5/0xd0 [ 537.822876] ? vsprintf+0x40/0x40 [ 537.826314] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 537.830799] kernfs_new_node+0x80/0xf0 [ 537.834675] __kernfs_create_file+0x4d/0x330 [ 537.839077] cgroup_addrm_files+0x437/0xaf0 [ 537.843386] ? cgroup_css.part.14+0x1f0/0x1f0 [ 537.847863] ? find_held_lock+0x36/0x1c0 [ 537.851917] ? __lock_is_held+0xb5/0x140 [ 537.855966] ? kasan_check_write+0x14/0x20 [ 537.860183] ? online_css+0x259/0x330 [ 537.863970] css_populate_dir+0x1a8/0x420 [ 537.868115] cgroup_apply_control_enable+0x43b/0xce0 [ 537.873207] ? cgroup_propagate_control+0x5a0/0x5a0 [ 537.878207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 537.883728] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 537.888205] ? cgroup_file_name+0x1f0/0x1f0 [ 537.892515] ? css_populate_dir+0x2a2/0x420 [ 537.896824] cgroup_mkdir+0x825/0x10d0 [ 537.900703] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 537.905443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 537.910963] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 537.916048] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 537.920876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 537.926399] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 537.931923] ? kernfs_get_active+0xb2/0x120 [ 537.936229] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 537.940970] kernfs_iop_mkdir+0x159/0x1e0 [ 537.945097] ? getname_flags+0xd0/0x5a0 [ 537.949055] vfs_mkdir+0x42e/0x6b0 [ 537.952578] do_mkdirat+0x266/0x2f0 [ 537.956190] ? SyS_mknod+0x40/0x40 [ 537.959713] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 537.964539] ? do_syscall_64+0xb7/0x9d0 [ 537.968496] SyS_mkdir+0x22/0x30 [ 537.971843] ? SyS_mkdirat+0x30/0x30 [ 537.975539] do_syscall_64+0x29e/0x9d0 [ 537.979411] ? vmalloc_sync_all+0x30/0x30 [ 537.983543] ? _raw_spin_unlock_irq+0x27/0x70 [ 537.988027] ? finish_task_switch+0x1ca/0x820 [ 537.992505] ? syscall_return_slowpath+0x5c0/0x5c0 [ 537.997418] ? syscall_return_slowpath+0x30f/0x5c0 [ 538.002334] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 538.007687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.012518] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 538.017690] RIP: 0033:0x4552d9 [ 538.020862] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 538.028553] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 538.035804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 538.043053] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 538.050306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 538.057559] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000030 [ 538.065077] cgroup: cgroup_addrm_files: failed to add weight, err=-12 2018/04/06 07:06:31 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:31 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xfec00000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:31 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3d09) 2018/04/06 07:06:31 executing program 5: setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000000)={0x0, &(0x7f0000192ff0)}, 0x10) r0 = fcntl$dupfd(0xffffffffffffffff, 0x406, 0xffffffffffffffff) ioctl$KVM_GET_MP_STATE(r0, 0x8004ae98, &(0x7f0000000040)) getsockopt$bt_l2cap_L2CAP_CONNINFO(r0, 0x6, 0x2, &(0x7f0000000080), &(0x7f00000000c0)=0x6) perf_event_open(&(0x7f0000220000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x3, &(0x7f0000000000)=0x6, 0x4) r1 = socket(0x1e, 0x2000000000000005, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x89f0, &(0x7f0000000380)={'bridge0\x00', &(0x7f0000000000)=ANY=[]}) 2018/04/06 07:06:31 executing program 0 (fault-call:3 fault-nth:49): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:31 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000080)={0x4}) sendmsg$nl_netfilter(r0, &(0x7f00009f5000)={&(0x7f00000000c0)={0x10}, 0x74, &(0x7f00004ca000)={&(0x7f0000690000)={0x14, 0xa, 0x206, 0x1}, 0x14}, 0x1}, 0x0) 2018/04/06 07:06:31 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:31 executing program 4: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x10080, 0x0) accept4$unix(r0, &(0x7f0000000040)=@abs, &(0x7f00000000c0)=0x6e, 0x800) mmap(&(0x7f0000af0000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000100)={@loopback={0x0, 0x1}, 0x3f, 0x1, 0x0, 0x3, 0x8, 0x100000000}, 0x20) setsockopt$SO_RDS_TRANSPORT(r1, 0x114, 0x8, &(0x7f0000002b80), 0x4) 2018/04/06 07:06:32 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x40000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:32 executing program 4: r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f0000000ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) setsockopt(r0, 0x114, 0x1, &(0x7f0000000000)="2a8a33f9ffff8109002186b32cff6dac", 0x10) [ 538.336322] FAULT_INJECTION: forcing a failure. [ 538.336322] name failslab, interval 1, probability 0, space 0, times 0 [ 538.347680] CPU: 0 PID: 29767 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 538.354525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 538.363872] Call Trace: [ 538.366448] dump_stack+0x1b9/0x29f [ 538.370071] ? arch_local_irq_restore+0x52/0x52 [ 538.374729] ? radix_tree_clear_tags+0xc0/0xc0 [ 538.379296] should_fail.cold.4+0xa/0x1a [ 538.383342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 538.388429] ? __might_sleep+0x95/0x190 [ 538.392388] ? graph_lock+0x170/0x170 [ 538.396175] ? __mutex_lock+0x7d9/0x17f0 [ 538.400226] ? kasan_kmalloc+0xc4/0xe0 [ 538.404102] ? kasan_slab_alloc+0x12/0x20 [ 538.408232] ? kmem_cache_alloc+0x12e/0x760 [ 538.412541] ? find_held_lock+0x36/0x1c0 [ 538.416589] ? __lock_is_held+0xb5/0x140 [ 538.420638] ? check_same_owner+0x320/0x320 [ 538.424946] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 538.429944] ? rcu_note_context_switch+0x710/0x710 [ 538.434858] should_failslab+0x124/0x180 [ 538.438907] __kmalloc_track_caller+0x2c4/0x760 [ 538.443732] ? string+0x21d/0x2c0 [ 538.447189] ? kstrdup_const+0x66/0x80 [ 538.451071] kstrdup+0x39/0x70 [ 538.454245] kstrdup_const+0x66/0x80 [ 538.457946] __kernfs_new_node+0xa8/0x580 [ 538.462080] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 538.466820] ? pointer+0xa20/0xa20 [ 538.470348] ? graph_lock+0x170/0x170 [ 538.474129] ? kasan_check_write+0x14/0x20 [ 538.478365] ? snprintf+0xa5/0xd0 [ 538.481808] ? vsprintf+0x40/0x40 [ 538.485251] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 538.489731] kernfs_new_node+0x80/0xf0 [ 538.493604] __kernfs_create_file+0x4d/0x330 [ 538.497994] cgroup_addrm_files+0x437/0xaf0 [ 538.502304] ? cgroup_css.part.14+0x1f0/0x1f0 [ 538.506779] ? find_held_lock+0x36/0x1c0 [ 538.510827] ? __lock_is_held+0xb5/0x140 [ 538.514886] ? kasan_check_write+0x14/0x20 [ 538.519110] ? online_css+0x259/0x330 [ 538.522893] css_populate_dir+0x1a8/0x420 [ 538.527038] cgroup_apply_control_enable+0x43b/0xce0 [ 538.532139] ? cgroup_propagate_control+0x5a0/0x5a0 [ 538.537140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 538.542660] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 538.547134] ? cgroup_file_name+0x1f0/0x1f0 [ 538.551442] ? css_populate_dir+0x2a2/0x420 [ 538.555748] cgroup_mkdir+0x825/0x10d0 [ 538.559619] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 538.564359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 538.569876] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 538.574961] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 538.579791] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 538.585314] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 538.590833] ? kernfs_get_active+0xb2/0x120 [ 538.595137] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 538.599877] kernfs_iop_mkdir+0x159/0x1e0 [ 538.604007] ? getname_flags+0xd0/0x5a0 [ 538.607976] vfs_mkdir+0x42e/0x6b0 [ 538.611497] do_mkdirat+0x266/0x2f0 [ 538.615105] ? SyS_mknod+0x40/0x40 [ 538.618631] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 538.623466] ? do_syscall_64+0xb7/0x9d0 [ 538.627421] SyS_mkdir+0x22/0x30 [ 538.630768] ? SyS_mkdirat+0x30/0x30 [ 538.634468] do_syscall_64+0x29e/0x9d0 [ 538.638334] ? vmalloc_sync_all+0x30/0x30 [ 538.642478] ? _raw_spin_unlock_irq+0x27/0x70 [ 538.646963] ? finish_task_switch+0x1ca/0x820 [ 538.651442] ? syscall_return_slowpath+0x5c0/0x5c0 [ 538.656353] ? syscall_return_slowpath+0x30f/0x5c0 [ 538.661269] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 538.666617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.671447] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 538.676628] RIP: 0033:0x4552d9 [ 538.679807] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 538.687494] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 538.694751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 538.702012] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 538.709274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 538.716927] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000031 [ 538.724418] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/04/06 07:06:32 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:32 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3909000000000000) 2018/04/06 07:06:32 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='attr\x00') fchdir(r0) setsockopt$sock_void(r0, 0x1, 0x24, 0x0, 0x0) syz_fuseblk_mount(&(0x7f0000976000)='./file0\x00', &(0x7f0000dd3ff8)="e52f66696c653000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 2018/04/06 07:06:32 executing program 3: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setsig(0xffffffffffffffff, 0xa, 0x0) r0 = open(&(0x7f0000000040)='./file0\x00', 0x8200, 0x90) openat(r0, &(0x7f0000000400)='./file0\x00', 0x0, 0x0) r1 = socket$inet(0x2, 0x3, 0x1) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x0, 0x80, &(0x7f0000000080)=@broute={'broute\x00', 0x20000120, 0x2, 0x2c0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000140], 0x2, &(0x7f0000000100), &(0x7f0000000140)=[{0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, [{{{0x3, 0x0, 0x0, "74756e6c30005a04085100", 'bcsf0\x00', 'syzkaller0\x00', 'syzkaller1\x00', @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], 0x70, 0x110, 0x160}, [@common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x2, 'syz0\x00'}}}, @common=@LED={'LED\x00', 0x28, {{'syz0\x00'}}}]}, @common=@IDLETIMER={'IDLETIMER\x00', 0x28, {{0x9, 'syz0\x00'}}}}]}, {0x0, '\x00', 0x1, 0xfffffffffffffffe}, {0x0, '\x00', 0x1, 0xfffffffffffffffc}, {0x0, '\x00', 0x1, 0xffffffffffffffff, 0x1, [{{{0x19, 0x0, 0x0, 'lo\x00', 'teql0\x00', "766c616e300000000200", 'ip6_vti0\x00', @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], @random="d6da5b54f4cf", [], 0x70, 0x70, 0xa0}}, @common=@AUDIT={'AUDIT\x00', 0x8}}]}]}, 0x338) 2018/04/06 07:06:32 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x3f00], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:32 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:32 executing program 4: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0x200000, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r0, 0x4018aee2, &(0x7f00000000c0)={0x0, 0x4, 0x100000001, &(0x7f0000000080)}) r1 = getpgrp(0x0) r2 = gettid() rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) r3 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x1) ioctl$KVM_X86_SET_MCE(r3, 0x4040ae9e, &(0x7f0000000000)={0x1500000000000000, 0x6000, 0x1000, 0x1, 0xa}) rt_tgsigqueueinfo(r1, r2, 0x11, &(0x7f0000055000)={0x0, 0x0, 0x6}) rt_sigtimedwait(&(0x7f0000001ff8)={0x3ffff}, &(0x7f0000f0aff0), &(0x7f0000fbcff0)={0xffffd, 0x989680}, 0x8) 2018/04/06 07:06:32 executing program 0 (fault-call:3 fault-nth:50): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:33 executing program 5: r0 = socket$inet_sctp(0x2, 0x800000000001, 0x84) socket$inet(0x2, 0x3, 0x40) getsockname$packet(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000100)=0x14) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000140)={@broadcast=0xffffffff, @dev={0xac, 0x14, 0x14, 0xb}, r1}, 0xc) r2 = syz_open_dev$mice(&(0x7f0000000280)='/dev/input/mice\x00', 0x0, 0x200000) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r2, 0xc0505405, &(0x7f00000002c0)={{0x2, 0x3, 0xfb1, 0x2, 0xffffffffffff0001}, 0x4, 0x5, 0x5}) listen(r0, 0x110000000010) accept(r0, &(0x7f0000000040)=@nfc, &(0x7f00000000c0)=0x80) listen(r0, 0x0) r3 = syz_open_dev$amidi(&(0x7f0000000180)='/dev/amidi#\x00', 0x8, 0x680001) ioctl$DRM_IOCTL_MODE_SETCRTC(r3, 0xc06864a2, &(0x7f0000000200)={&(0x7f00000001c0)=[0xffff, 0x80, 0x0, 0x4], 0x4, 0xba, 0x2, 0x7, 0x9, 0x0, {0x9, 0xc4, 0xce, 0x3, 0x10000, 0x8001, 0x8, 0xd8, 0x1, 0x200, 0x7, 0x8, 0xade, 0x81, "3ee20d0bd9c2a51de1e78b7c04a5273719c950e716f119d482ed7cb9424e4625"}}) shutdown(r0, 0x0) 2018/04/06 07:06:33 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x2], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:33 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0.', 0x0) 2018/04/06 07:06:33 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x1000000) 2018/04/06 07:06:33 executing program 3: r0 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x9, 0x2000) ioctl$TIOCLINUX7(r1, 0x541c, &(0x7f00000000c0)={0x7}) ioctl$TCFLSH(r1, 0x540b, 0x6) creat(&(0x7f0000000040)='./file0\x00', 0x40) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000418f50)={{0x80}, "706f727431000000000000000000000000000000000000000000eb000000b2a587e2000000000000000000000000000101008e15e7af00"}) ioctl$KVM_SET_SREGS(r1, 0x4138ae84, &(0x7f0000000100)={{0x0, 0x1, 0x8, 0x7, 0xd237, 0x4, 0xffffffffffffff0b, 0xff, 0x5, 0x9, 0x460, 0x8}, {0x100000, 0x4000, 0x8, 0x750, 0x1, 0x0, 0x2, 0x20, 0x5, 0x25f5, 0x1, 0x7}, {0x10001, 0x0, 0x0, 0x5, 0x9, 0x1, 0x9, 0x5, 0x7, 0x100000, 0x7, 0x8}, {0xf000, 0x0, 0xf, 0x8, 0x200, 0x3, 0x7ff, 0x8001, 0x6, 0x80000000, 0x1f, 0xe6}, {0x10000, 0x101000, 0xe, 0xa207, 0x4fe, 0x1, 0x0, 0x7, 0xb54, 0x0, 0x80, 0x77}, {0x10f001, 0x2, 0xc, 0xfffffffffffffff7, 0x62, 0x3, 0x400, 0x6, 0x6, 0xc000000000000, 0x100000000, 0x1}, {0x0, 0x3000, 0xc, 0x6, 0x7ff, 0x3ff, 0x6, 0x81, 0xfffffffffffff001, 0x100000000, 0xeb, 0x3}, {0x3003, 0x100000, 0xf, 0x80000000, 0x7fffffff, 0x765, 0x9, 0x7, 0x7, 0x20000000000, 0xfff, 0x9}, {0x106002, 0x4}, {0x0, 0x10000}, 0x80000000, 0x0, 0x100000, 0x20, 0x0, 0xc01, 0x0, [0x94, 0x5, 0x2, 0xffffffffffff0001]}) 2018/04/06 07:06:33 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x9, {0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x4e23, @multicast1=0xe0000001}, {0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, 0x20, 0x0, 0x6, 0x6, 0xfffffffffffffffe, &(0x7f0000000080)='gre0\x00', 0x8, 0x7fff}) perf_event_open(&(0x7f0000348f88)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f000004b000/0x1000)=nil, 0x1000, 0x2, 0x3e, r1, 0x0) socket$l2tp(0x18, 0x1, 0x1) r2 = socket$inet(0x2, 0x2, 0x0) socket$l2tp(0x18, 0x1, 0x1) r3 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r3, &(0x7f0000000040)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x1, 0x0, 0x3}}, 0x26) connect$l2tp(r3, &(0x7f0000e92000)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x2, 0x0, 0x4}}, 0x2e) 2018/04/06 07:06:33 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xffffffffffffffff], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 539.397388] FAULT_INJECTION: forcing a failure. [ 539.397388] name failslab, interval 1, probability 0, space 0, times 0 [ 539.408718] CPU: 0 PID: 29812 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 539.415559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.424902] Call Trace: [ 539.427483] dump_stack+0x1b9/0x29f [ 539.431100] ? arch_local_irq_restore+0x52/0x52 [ 539.435770] should_fail.cold.4+0xa/0x1a [ 539.439818] ? kstrdup_const+0x66/0x80 [ 539.443696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 539.448787] ? cgroup_mkdir+0x825/0x10d0 [ 539.452836] ? vfs_mkdir+0x42e/0x6b0 [ 539.456534] ? do_mkdirat+0x266/0x2f0 [ 539.460321] ? SyS_mkdir+0x22/0x30 [ 539.463850] ? do_syscall_64+0x29e/0x9d0 [ 539.467904] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.473257] ? graph_lock+0x170/0x170 [ 539.477044] ? find_held_lock+0x36/0x1c0 [ 539.481093] ? print_usage_bug+0xc0/0xc0 [ 539.485148] ? find_held_lock+0x36/0x1c0 [ 539.489202] ? __lock_is_held+0xb5/0x140 [ 539.493261] ? check_same_owner+0x320/0x320 [ 539.497574] ? rcu_note_context_switch+0x710/0x710 [ 539.502488] ? rcu_read_lock_sched_held+0x108/0x120 [ 539.507503] should_failslab+0x124/0x180 [ 539.511555] kmem_cache_alloc+0x2af/0x760 [ 539.515691] ? memcpy+0x45/0x50 [ 539.518961] ? kstrdup+0x59/0x70 [ 539.522336] __kernfs_new_node+0xe7/0x580 [ 539.526475] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 539.531216] ? pointer+0xa20/0xa20 [ 539.534748] ? graph_lock+0x170/0x170 [ 539.538535] ? kasan_check_write+0x14/0x20 [ 539.542761] ? snprintf+0xa5/0xd0 [ 539.546202] ? vsprintf+0x40/0x40 [ 539.549641] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 539.554131] kernfs_new_node+0x80/0xf0 [ 539.558012] __kernfs_create_file+0x4d/0x330 [ 539.562416] cgroup_addrm_files+0x437/0xaf0 [ 539.566734] ? cgroup_css.part.14+0x1f0/0x1f0 [ 539.571215] ? find_held_lock+0x36/0x1c0 [ 539.575276] ? __lock_is_held+0xb5/0x140 [ 539.579330] ? kasan_check_write+0x14/0x20 [ 539.583550] ? online_css+0x259/0x330 [ 539.587340] css_populate_dir+0x1a8/0x420 [ 539.591481] cgroup_apply_control_enable+0x43b/0xce0 [ 539.596582] ? cgroup_propagate_control+0x5a0/0x5a0 [ 539.601585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 539.607107] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 539.611590] ? cgroup_file_name+0x1f0/0x1f0 [ 539.615905] ? css_populate_dir+0x2a2/0x420 [ 539.620216] cgroup_mkdir+0x825/0x10d0 [ 539.624099] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 539.628849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 539.634373] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 539.639465] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 539.644294] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 539.650289] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 539.655904] ? kernfs_get_active+0xb2/0x120 [ 539.660215] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 539.664958] kernfs_iop_mkdir+0x159/0x1e0 [ 539.669107] ? getname_flags+0xd0/0x5a0 [ 539.673081] vfs_mkdir+0x42e/0x6b0 [ 539.676612] do_mkdirat+0x266/0x2f0 [ 539.680228] ? SyS_mknod+0x40/0x40 [ 539.683757] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 539.688586] ? do_syscall_64+0xb7/0x9d0 [ 539.692550] SyS_mkdir+0x22/0x30 [ 539.695912] ? SyS_mkdirat+0x30/0x30 [ 539.699610] do_syscall_64+0x29e/0x9d0 [ 539.703483] ? vmalloc_sync_all+0x30/0x30 [ 539.707620] ? _raw_spin_unlock_irq+0x27/0x70 [ 539.712103] ? finish_task_switch+0x1ca/0x820 [ 539.716589] ? syscall_return_slowpath+0x5c0/0x5c0 [ 539.721506] ? syscall_return_slowpath+0x30f/0x5c0 [ 539.726427] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 539.731781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 539.736623] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.741798] RIP: 0033:0x4552d9 [ 539.744973] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 539.752669] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 539.759923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 539.767180] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 539.774432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 539.781688] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000032 [ 539.789315] cgroup: cgroup_addrm_files: failed to add bfq.weight, err=-12 2018/04/06 07:06:33 executing program 3: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000240)='/dev/hwrng\x00', 0x100, 0x0) getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000280)=0x200, &(0x7f00000002c0)=0x1) dup3(r0, r0, 0x80000) r1 = openat$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0)='cpu.weight\x00', 0x2, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x1, 0x1, &(0x7f0000000140)={0x7ff}, 0x4) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000180)=0x0) ptrace$getregset(0x4204, r2, 0x6, &(0x7f0000000340)={&(0x7f0000000300)=""/30, 0x1e}) sendfile(r1, r1, 0x0, 0xff) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000000)=0x0) syz_open_dev$sndseq(&(0x7f0000000380)='/dev/snd/seq\x00', 0x0, 0x80001) setsockopt$sock_int(r0, 0x1, 0x2d, &(0x7f0000000080)=0x8000, 0x4) fanotify_init(0x7a, 0x8000) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f00000001c0)={0x0, 0x0, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_GEM_OPEN(r1, 0xc010640b, &(0x7f0000000200)={0x0, r4, 0x6}) timer_create(0x1, &(0x7f0000000040)={0x0, 0x10, 0x1, @tid=r3}, &(0x7f0000000100)) 2018/04/06 07:06:33 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x920) 2018/04/06 07:06:33 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x300], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:33 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00006a4ff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x7, 0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x10000, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r3, 0xc0a85320, &(0x7f0000000180)={{0x10001, 0x100}, 'port1\x00', 0x18, 0x800, 0x81, 0x7fffffff, 0xffff, 0xffffffffffffffff, 0x9, 0x0, 0x2, 0x9}) recvfrom$inet6(r2, &(0x7f0000000080)=""/65, 0x41, 0x61, &(0x7f0000000100)={0xa, 0x4e21, 0x5, @empty, 0x7}, 0x1c) pipe2(&(0x7f0000e3eff8)={0x0, 0x0}, 0x0) r6 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0) dup3(r6, r5, 0x0) ioctl$KVM_SET_MSRS(r5, 0xc008ae88, &(0x7f0000000040)=ANY=[@ANYBLOB="010000e5ffffffff830000c0000000000000230000000000"]) 2018/04/06 07:06:33 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:33 executing program 0 (fault-call:3 fault-nth:51): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:33 executing program 5: poll(&(0x7f00000000c0)=[{}], 0x22c5, 0x0) r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) ptrace$setregset(0x4205, 0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)="e0148c799d", 0x5}) accept4(r0, &(0x7f0000000280)=@l2, &(0x7f0000000100)=0x80, 0x80000) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000340)=0xfff, 0x4) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r4 = dup3(r3, r1, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) pipe(&(0x7f0000000040)) ioctl$KVM_RUN(r4, 0xae80, 0x0) pipe(&(0x7f0000000000)) syz_kvm_setup_cpu$x86(r2, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000de9000)=[@textreal={0x8, &(0x7f0000000200)="0f189e640066b9800000c00f326635000400000f3066b9050a000066b80b00000066ba000000000f30670fc76ca4f866b9c002000066b8ba90000066ba000000000f303e0f0f422f8a660fd3d5360f306566660f2f58080f20d86635080000000f22d8", 0x63}], 0x1, 0x0, &(0x7f0000000140), 0x0) fcntl$addseals(r3, 0x409, 0x5) r5 = syz_open_dev$usbmon(&(0x7f00000001c0)='/dev/usbmon#\x00', 0x6, 0x800) ioctl$TIOCSSOFTCAR(r5, 0x541a, &(0x7f0000000300)=0x5) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) 2018/04/06 07:06:33 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x500000000000000, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:33 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xffffffc0], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:33 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:34 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="020300090f003310cd8e48ed55981ee1e57974a400000000000000000000010014000000000005000600000000000a004e200000b91103fc7b7111e40600000000000000000000000000000000000000000000000000000000000200010000000000000000020000000005000500000000000a004e2000000000ff010000000000000000"], 0x78}, 0x1}, 0x0) dup2(r0, r0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f00000002c0)={0x5, &(0x7f0000000040)=[{}, {}, {}, {}, {}]}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000280), &(0x7f000005c000)=0x8) syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0x0, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000600)='/dev/vcs\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r2, 0xc0105303, &(0x7f0000000580)={0x377400, 0xc3de, 0x7fffffff}) r3 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x5, 0xc00) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'sit0\x00', 0x0}) sysinfo(&(0x7f0000000500)=""/46) arch_prctl(0x1005, &(0x7f0000000540)="45827a7e82ab") vmsplice(r2, &(0x7f0000000b40)=[{&(0x7f0000000640)="97df2ecb5f5c0be44f280070fd279f06855f9765b58acacb4c506fd3e46b194b67e92770bc49f3c54f9f66ae0bafd3c659b92e060764b3ca0f72cc0824aca55c21767756940d9fcf7341744705e530cd8a781fb07dd6009607a27ef620828916f33a75a93f4e1e4dcd297fe963086384db318096a727b0c6386b828d783b5ad24f75138109cbcc36ee33631932eb170ee1fc7eccb0ce440fae4366494738a693e49043df6ea99479b0d485c6187c402007d0648a7f4d4a88d0e3ee7d195cf67b0e8fa765", 0xc4}, {&(0x7f0000000800)="4fc06552a73a6b89a679ac75f8cd437064fdf9968bd2a90b31c496c3c04ef31dc604fff95ab8754aa46432443a46281d59d8bf02aeab41c837c2fa49e84aaf27f834f2a942ad26ca9a57b41bbba0c92abfb3af7f40677f6c0ebbbeabddf7805e2fa403347e25e6886840b1233816948d6751d3fe70f4e5d185263b9596dd3c5efad866837e48eb47cee00fc7ad1cf7d52e7978dd37dcbf63d6cd3ea2a3f237d969f149c0d272691e4f616726e90bdbe873d0bcac46fd7856878beb862fec2e5a217fe4f8e4d5a37f7f0b3b7a2f44f8d2", 0xd0}, {&(0x7f0000000980)="deba5541c5fbc49d0d7ada2554ad05267a8599c38aecaaf065c7064c47667962346cd14bb872d80980dd1c6c70d4fb2136925809a3977a208d8b9a438c99e96a13a5205f7215217b38ff96c78407e36ed67405fbf73dca5efdb35921f300599e4f9fce9d42f1ecc2bb8b140a9f07b894b00ef1f88bbe3894ac74ff23dc26c585be941920fe1180004285e3be0d50b4db62f4d016521ccd63455d16a7e18750a2dd5197615b50eadb94e30b2b3847ab64f446bebce1a27d0de7b3a07b40b33882666556fa622fd011ba62bbaf6d39e939ec6604", 0xd3}, {&(0x7f0000000900)="33dfbe853156ba466aa33c96cc536387a4bd07d94c65b6adf4840edbd3309350041c32b90f6ba67b5e0ecbdfe8c7eccc74b2cc77a04e5b046712d02044", 0x3d}], 0x4, 0x1) r5 = socket$netlink(0x10, 0x3, 0x0) writev(r5, &(0x7f0000cdc000)=[{&(0x7f00000000c0)="390000001100094701bb61e119f7cbee070000000200000045eeffff08009b0019001a000fe1ffff020000000000000004e9000a06002d0005", 0x39}], 0x1) ioctl$sock_inet6_SIOCDIFADDR(r3, 0x8936, &(0x7f0000000140)={@mcast2={0xff, 0x2, [], 0x1}, 0x8, r4}) r6 = socket$inet6(0xa, 0x40000080806, 0x0) ioctl$PPPIOCGFLAGS(r3, 0x8004745a, &(0x7f0000000200)) sync() fcntl$notify(r1, 0x402, 0x27) getsockname(r1, &(0x7f0000000440)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f0000000300)=0x80) listen(r6, 0x20000003) readv(r3, &(0x7f0000000400)=[{&(0x7f0000000300)}, {&(0x7f0000000340)=""/171, 0xab}], 0x2) rt_sigpending(&(0x7f0000000240), 0x8) r7 = socket$inet6(0xa, 0x6, 0x0) ioctl$KVM_GET_DEVICE_ATTR(r3, 0x4018aee2, &(0x7f00000002c0)={0x0, 0x6, 0x7fffffff, &(0x7f0000000280)}) keyctl$join(0x1, &(0x7f00000004c0)={0x73, 0x79, 0x7a, 0x0}) close(r7) 2018/04/06 07:06:34 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x6403) 2018/04/06 07:06:34 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x80fe], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:34 executing program 4: r0 = memfd_create(&(0x7f0000002901)='dev ', 0x0) r1 = gettid() getpgid(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0xd, 0x40000013, r0, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@broadcast, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@mcast1}}, &(0x7f0000000180)=0xe8) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f00000001c0)={@dev={0xfe, 0x80, [], 0xf}, 0x53, r2}) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x3, &(0x7f0000000200)=ANY=[@ANYBLOB="b4000000000000006c00000000000000950000000000000017a4b9de145ea6a39bfa71f5f2760933234a455f94ea233a878a13838adfd295ff9375e4e047a2eb3a364c537c1c3fc296a5d6086898d685bfef6f4bd45ba6061e2d0368173845cd39a84f66ca9e9ad2010001"], &(0x7f0000003ff6)='syzkaller\x00', 0x0, 0xc3, &(0x7f0000011000)=""/195}, 0x48) 2018/04/06 07:06:34 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xff00000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:34 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530c3", 0x0) 2018/04/06 07:06:34 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x7e02000000000000) 2018/04/06 07:06:34 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000b5dfa8)={0x26, 'hash\x00', 0x0, 0x0, 'sha224-ssse3\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000)="6f62c5b52f4e3ea23dbcf8020b63f8675de3568d1ad67d19442238d6b80d5af834841ec7495be9f0b4ad28e45cc336cb2470c1ab33932cce39facf3f23fcf68c9cdd5e738985c5774ccce20c799817dc4b2304ef8cf1b4b46a5c3c6127d13291b85bd3a0e10e6472aed934ffdae8b5bfaea9e55ad2c9478b1687b6a7bacfa8155a6455bdb1775ca822f6cdc80d26a2e7c37308b177aae5bffb3069d449c3e48cad44c274011bd1732aa7a9e007bc3fe8311eec0047ac115ac40e575c677811050e5b3d95d0f1d7728e7a40177369acc045460ff18ee2029497c6fc2e45a2c4f11e04b9c90fe193b60b568b15749a484f", 0xf0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x20) sendfile(r0, r1, &(0x7f0000000280), 0x6) fallocate(r2, 0x0, 0x0, 0x73e0) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000100)={0x0, @in6={{0xa, 0x4e21, 0x6, @loopback={0x0, 0x1}, 0x5}}, 0x7}, &(0x7f00000001c0)=0x90) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000200)={r3, 0x6}, &(0x7f0000000240)=0x8) sendfile(r1, r1, &(0x7f0000e64ff8), 0x8e18) sendfile(r1, r2, &(0x7f00007ed000), 0x2b) 2018/04/06 07:06:34 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f00009a4000)=0x5, 0x4) r1 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x8, 0x80) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000080)={@remote={0xfe, 0x80, [], 0xbb}, 0x4, 0x2, 0x0, 0x1, 0x2, 0x260, 0x401}, 0x20) getitimer(0x1, &(0x7f0000000000)) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x9) 2018/04/06 07:06:34 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x100000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 540.562738] FAULT_INJECTION: forcing a failure. [ 540.562738] name failslab, interval 1, probability 0, space 0, times 0 [ 540.574152] CPU: 1 PID: 29880 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 540.580993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.590337] Call Trace: [ 540.592910] dump_stack+0x1b9/0x29f [ 540.596522] ? arch_local_irq_restore+0x52/0x52 [ 540.601174] ? rcu_note_context_switch+0x710/0x710 [ 540.606088] should_fail.cold.4+0xa/0x1a [ 540.610134] ? kasan_check_write+0x14/0x20 [ 540.614349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 540.619438] ? graph_lock+0x170/0x170 [ 540.623219] ? mutex_trylock+0x2a0/0x2a0 [ 540.627260] ? __lock_acquire+0x7f5/0x5130 [ 540.631475] ? graph_lock+0x170/0x170 [ 540.635258] ? find_held_lock+0x36/0x1c0 [ 540.639301] ? __lock_is_held+0xb5/0x140 [ 540.643350] ? check_same_owner+0x320/0x320 [ 540.647656] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 540.652654] ? rcu_note_context_switch+0x710/0x710 [ 540.657566] should_failslab+0x124/0x180 [ 540.661615] __kmalloc_track_caller+0x2c4/0x760 [ 540.666701] ? string+0x21d/0x2c0 [ 540.670138] ? kstrdup_const+0x66/0x80 [ 540.674006] kstrdup+0x39/0x70 [ 540.677190] kstrdup_const+0x66/0x80 [ 540.680885] __kernfs_new_node+0xa8/0x580 [ 540.685027] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 540.689772] ? pointer+0xa20/0xa20 [ 540.693307] ? graph_lock+0x170/0x170 [ 540.697093] ? plist_requeue+0x630/0x630 [ 540.701134] ? snprintf+0xa5/0xd0 [ 540.704567] ? vsprintf+0x40/0x40 [ 540.708008] kernfs_new_node+0x80/0xf0 [ 540.711889] __kernfs_create_file+0x4d/0x330 [ 540.716280] cgroup_addrm_files+0x437/0xaf0 [ 540.720584] ? rcu_is_watching+0x85/0x140 [ 540.724715] ? cgroup_css.part.14+0x1f0/0x1f0 [ 540.729193] ? find_held_lock+0x36/0x1c0 [ 540.733239] ? mem_cgroup_css_online+0x23e/0x300 [ 540.737986] ? mem_cgroup_count_precharge_pte_range+0x5c0/0x5c0 [ 540.744051] ? __lock_is_held+0xb5/0x140 [ 540.748098] ? kasan_check_write+0x14/0x20 [ 540.752314] ? online_css+0x259/0x330 [ 540.756107] css_populate_dir+0x1a8/0x420 [ 540.760239] cgroup_apply_control_enable+0x43b/0xce0 [ 540.765329] ? cgroup_propagate_control+0x5a0/0x5a0 [ 540.770331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 540.775857] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 540.780332] ? cgroup_file_name+0x1f0/0x1f0 [ 540.784638] ? css_populate_dir+0x2a2/0x420 [ 540.788941] cgroup_mkdir+0x825/0x10d0 [ 540.792812] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 540.797556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 540.803095] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 540.808187] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 540.813016] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 540.818543] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 540.824062] ? kernfs_get_active+0xb2/0x120 [ 540.828364] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 540.833106] kernfs_iop_mkdir+0x159/0x1e0 [ 540.837235] ? getname_flags+0xd0/0x5a0 [ 540.841192] vfs_mkdir+0x42e/0x6b0 [ 540.844714] do_mkdirat+0x266/0x2f0 [ 540.848321] ? SyS_mknod+0x40/0x40 [ 540.851847] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 540.856681] ? do_syscall_64+0xb7/0x9d0 [ 540.860636] SyS_mkdir+0x22/0x30 [ 540.863981] ? SyS_mkdirat+0x30/0x30 [ 540.867679] do_syscall_64+0x29e/0x9d0 [ 540.871561] ? vmalloc_sync_all+0x30/0x30 [ 540.875701] ? _raw_spin_unlock_irq+0x27/0x70 [ 540.880186] ? finish_task_switch+0x1ca/0x820 [ 540.884662] ? syscall_return_slowpath+0x5c0/0x5c0 [ 540.889589] ? syscall_return_slowpath+0x30f/0x5c0 [ 540.894504] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 540.899851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 540.904676] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 540.909845] RIP: 0033:0x4552d9 [ 540.913029] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 540.920723] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 540.927971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 540.935220] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 540.942469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 540.949717] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000033 [ 540.957083] cgroup: cgroup_addrm_files: failed to add current, err=-12 2018/04/06 07:06:34 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x800, 0x0) ioctl(r0, 0x2203, &(0x7f0000000080)) ioctl$int_in(r0, 0x5452, &(0x7f0000000080)=0x2) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000040)={0xa89, 0x3, 0x5, 0x20, 0x8, 0x9, 0x6, 0xff, 0x2b, 0x800, 0x7, 0x9}) 2018/04/06 07:06:34 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000100)='oom_score\x00') set_robust_list(&(0x7f0000000280)={&(0x7f00000001c0)={&(0x7f00000000c0)}, 0x8, &(0x7f0000000240)={&(0x7f0000000200)}}, 0x18) r1 = socket$vsock_stream(0x28, 0x1, 0x0) ioctl$sock_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000300)) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000000), &(0x7f0000000040)=0x14) fadvise64(r0, 0x1, 0x100000000, 0x400000004) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f00000003c0)) socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, &(0x7f0000000080)={{0xffffffffffffffff, 0x7, 0xc8, 0x1, 0xffffffffffff7fff, 0xb1}, 0x4}) setsockopt$IP_VS_SO_SET_EDIT(r0, 0x0, 0x483, &(0x7f0000000180)={0x2c, @rand_addr=0x5, 0x4e22, 0x2, 'wrr\x00', 0x1e, 0x78c6, 0x7}, 0x2c) getsockopt$IP_VS_SO_GET_INFO(r3, 0x0, 0x481, &(0x7f0000000340), &(0x7f0000000380)=0xc) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f0000000140)={0x7, 0x0, 0x1, r0}) getsockname(r2, &(0x7f0000000400)=@rc, &(0x7f0000000480)=0x80) keyctl$join(0x1, 0x0) 2018/04/06 07:06:34 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x600000000000000) 2018/04/06 07:06:34 executing program 3: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000000)={0x0, 0x9, 0x64, 0x6}, &(0x7f0000000040)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000080)={r1, @in6={{0xa, 0x4e20, 0x4, @empty, 0x1}}, 0xffffffffffff7fff, 0x4}, 0x90) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/dsp\x00', 0x400000, 0x0) connect$inet(r2, &(0x7f0000000180)={0x2, 0x4e21, @loopback=0x7f000001}, 0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x9, &(0x7f0000ac0f68)={0xffffffffffff19f8, @in6={{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x98) 2018/04/06 07:06:34 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)="2e2f66696c65302f2f696c6530cb", 0x0) 2018/04/06 07:06:34 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xfe80], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:34 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 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={&(0x7f0000001080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000fcdfe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000068000/0x800000)=nil, 0x800000}, 0x1}) read(r0, &(0x7f0000465f8e)=""/114, 0x72) perf_event_open(&(0x7f0000001180)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00, 0x0, 0x0, 0x0, 0x0, 0x1, 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={&(0x7f0000001140)}}, 0x0, 0x0, r0, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)='a\x00') ioctl$UFFDIO_UNREGISTER(r1, 0x8010aa01, &(0x7f0000c22ff0)={&(0x7f000001d000/0xc00000)=nil, 0xc00000}) 2018/04/06 07:06:34 executing program 0 (fault-call:3 fault-nth:52): mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:34 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0x6000000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) 2018/04/06 07:06:34 executing program 5: r0 = memfd_create(&(0x7f0000000040)='\x00', 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000680)='net/route\x00') ioctl$KVM_CREATE_DEVICE(r0, 0xc00caee0, &(0x7f0000000000)={0x7, r1, 0x1}) 2018/04/06 07:06:34 executing program 3: gettid() rt_sigprocmask(0x0, &(0x7f000021f000)={0xfffffffffffffffe}, 0x0, 0x8) clock_gettime(0x0, &(0x7f0000000000)={0x0}) timer_settime(0x0, 0xfffffffffffffffd, &(0x7f0000011000)={{r0}, {r0}}, &(0x7f0000000ff0)) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000ff8)={0xfffffffffffffdb0}, 0x8, 0x0) timer_settime(0x0, 0x0, &(0x7f0000fd3000)={{}, {0x77359400}}, &(0x7f0000fd3000)) read(r1, &(0x7f0000fd2fee)=""/128, 0x80) 2018/04/06 07:06:34 executing program 4: r0 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r0, 0x28, 0x2, &(0x7f00000000c0), 0x4) setsockopt$packet_buf(r0, 0x107, 0xf, &(0x7f0000000000)="7cd2d30dd930e2ec76ec58c2550df2a5b1e8c233482316259c59b6e98e0923e4d592a8c0480b", 0x26) r1 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x9, 0xad3cb1c9403fbea5) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000080)={0x0, 0xfffffffffffffffe}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000140)={r2, 0x1}, 0x8) setsockopt$packet_buf(r1, 0x107, 0x2, &(0x7f0000000180)="bfe29127483ad48d1ff5a6a7c30131ca5f169929875722918933c04fa1e139c746dd785601fb0a45544ea66e3a2ddb0431a6981db8b01a562637c37d38ff9e831507bf7a2f036febbed8acfc19129bedd174e102aba9991e012f3b588294bee2354622c9c88420f660ca70ae647804fdc805cd3dbeb3ff2514406655137826e4d73382832a4610084807ad7767d7866f49ff71edae2a314f46d582df711345ad48b897f01f73ea529c4d1c236d26109f1a8095d0cd5b26fe766c45dfedc43bb17c38", 0xc2) 2018/04/06 07:06:34 executing program 7: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x0) 2018/04/06 07:06:34 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000380)='./file0\x00', &(0x7f0000000300)='cgroup2\x00', 0x0, 0x0) rmdir(&(0x7f0000000080)='./file0//ile0\x00') mkdir(&(0x7f0000002a40)='./file0//ile0\x00', 0x3f0) 2018/04/06 07:06:35 executing program 6: syz_emit_ethernet(0x6e, &(0x7f0000000040)={@link_local={0x1, 0x80, 0xc2}, @empty=[0xfec0000000000000], [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x38, 0x3a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "0a07ec", 0x0, 0x29, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @ipv4={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2], [0xff, 0xff], @dev={0xac, 0x14}}, [], "a82f7ae1cd16d2e2"}}}}}}}, &(0x7f0000000100)) [ 541.331008] FAULT_INJECTION: forcing a failure. [ 541.331008] name failslab, interval 1, probability 0, space 0, times 0 [ 541.342366] CPU: 0 PID: 29927 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 541.349201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.358536] Call Trace: [ 541.361112] dump_stack+0x1b9/0x29f [ 541.364726] ? arch_local_irq_restore+0x52/0x52 [ 541.369377] ? find_next_zero_bit+0x111/0x140 [ 541.373872] should_fail.cold.4+0xa/0x1a [ 541.377928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 541.383032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.388561] ? graph_lock+0x170/0x170 [ 541.392348] ? find_held_lock+0x36/0x1c0 [ 541.396392] ? __lock_is_held+0xb5/0x140 [ 541.400453] ? check_same_owner+0x320/0x320 [ 541.404777] ? rcu_note_context_switch+0x710/0x710 [ 541.409704] should_failslab+0x124/0x180 [ 541.413754] kmem_cache_alloc_node_trace+0x26f/0x770 [ 541.418853] ? idr_alloc_u32+0x3b0/0x3b0 [ 541.422903] mem_cgroup_css_alloc+0x3b5/0x1a00 [ 541.427470] ? setup_cpu_cache+0x1c0/0x1c0 [ 541.431684] ? __kernfs_new_node+0x41e/0x580 [ 541.436080] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 541.440832] ? graph_lock+0x170/0x170 [ 541.444623] ? kasan_check_write+0x14/0x20 [ 541.448846] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 541.454368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.459885] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 541.464360] ? cgroup_file_name+0x1f0/0x1f0 [ 541.468664] ? __lock_is_held+0xb5/0x140 [ 541.472712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 541.478230] ? cgroup_addrm_files+0x786/0xaf0 [ 541.482712] ? graph_lock+0x170/0x170 [ 541.486493] ? cgroup_css.part.14+0x1f0/0x1f0 [ 541.490968] ? find_held_lock+0x36/0x1c0 [ 541.495019] ? graph_lock+0x170/0x170 [ 541.498815] ? __lock_is_held+0xb5/0x140 [ 541.502870] ? __lock_is_held+0xb5/0x140 [ 541.506921] cgroup_apply_control_enable+0x52d/0xce0 [ 541.512015] ? cgroup_propagate_control+0x5a0/0x5a0 [ 541.517034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.522573] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 541.527060] ? cgroup_file_name+0x1f0/0x1f0 [ 541.531369] ? css_populate_dir+0x2a2/0x420 [ 541.535682] cgroup_mkdir+0x825/0x10d0 [ 541.539566] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 541.544302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.549821] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 541.554907] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 541.559729] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 541.565259] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 541.570787] ? kernfs_get_active+0xb2/0x120 [ 541.575095] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 541.579832] kernfs_iop_mkdir+0x159/0x1e0 [ 541.583958] ? getname_flags+0xd0/0x5a0 [ 541.587913] vfs_mkdir+0x42e/0x6b0 [ 541.591436] do_mkdirat+0x266/0x2f0 [ 541.595057] ? SyS_mknod+0x40/0x40 [ 541.598578] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 541.603403] ? do_syscall_64+0xb7/0x9d0 [ 541.607357] SyS_mkdir+0x22/0x30 [ 541.610703] ? SyS_mkdirat+0x30/0x30 [ 541.614406] do_syscall_64+0x29e/0x9d0 [ 541.618286] ? vmalloc_sync_all+0x30/0x30 [ 541.622416] ? _raw_spin_unlock_irq+0x27/0x70 [ 541.626892] ? finish_task_switch+0x1ca/0x820 [ 541.631367] ? syscall_return_slowpath+0x5c0/0x5c0 [ 541.636276] ? syscall_return_slowpath+0x30f/0x5c0 [ 541.641191] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 541.647039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 541.651893] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 541.657080] RIP: 0033:0x4552d9 [ 541.660257] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 541.667955] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 541.675213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 541.682461] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 541.689711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 541.696958] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000034 [ 541.705005] kasan: CONFIG_KASAN_INLINE enabled [ 541.709976] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 541.717379] general protection fault: 0000 [#1] SMP KASAN [ 541.722930] Dumping ftrace buffer: [ 541.726443] (ftrace buffer empty) [ 541.730128] Modules linked in: [ 541.733302] CPU: 0 PID: 29927 Comm: syz-executor0 Not tainted 4.16.0+ #2 [ 541.740115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.749452] RIP: 0010:__mem_cgroup_free+0x71/0x110 [ 541.754354] RSP: 0018:ffff880190edf538 EFLAGS: 00010206 [ 541.759693] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffc90001eb0000 [ 541.766941] RDX: 0000000000040000 RSI: ffffffff83308d3e RDI: 0000000000000088 [ 541.774187] RBP: ffff880190edf558 R08: ffff8801cd79a340 R09: ffffed003b6046c2 [ 541.781433] R10: ffffed003b6046c2 R11: ffff8801db023613 R12: 0000000000000000 [ 541.788680] R13: ffff8801abf22e80 R14: dffffc0000000000 R15: ffff8801abf22e80 [ 541.795931] FS: 00007f126b2d8700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 541.804135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 541.809993] CR2: 00000000004d8ea4 CR3: 00000001c9072000 CR4: 00000000001406f0 [ 541.817246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 541.824494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 541.831738] Call Trace: [ 541.834306] mem_cgroup_css_alloc+0x405/0x1a00 [ 541.838872] ? setup_cpu_cache+0x1c0/0x1c0 [ 541.843089] ? __kernfs_new_node+0x41e/0x580 [ 541.847476] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 541.852218] ? graph_lock+0x170/0x170 [ 541.855995] ? kasan_check_write+0x14/0x20 [ 541.860214] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 541.865728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.871241] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 541.875711] ? cgroup_file_name+0x1f0/0x1f0 [ 541.880024] ? __lock_is_held+0xb5/0x140 [ 541.884075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 541.889588] ? cgroup_addrm_files+0x786/0xaf0 [ 541.894062] ? graph_lock+0x170/0x170 [ 541.897839] ? cgroup_css.part.14+0x1f0/0x1f0 [ 541.902314] ? find_held_lock+0x36/0x1c0 [ 541.906358] ? graph_lock+0x170/0x170 [ 541.910145] ? __lock_is_held+0xb5/0x140 [ 541.914197] ? __lock_is_held+0xb5/0x140 [ 541.918247] cgroup_apply_control_enable+0x52d/0xce0 [ 541.923337] ? cgroup_propagate_control+0x5a0/0x5a0 [ 541.928331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.933845] ? cgroup_kn_set_ugid+0x2cb/0x370 [ 541.938323] ? cgroup_file_name+0x1f0/0x1f0 [ 541.942637] ? css_populate_dir+0x2a2/0x420 [ 541.946960] cgroup_mkdir+0x825/0x10d0 [ 541.950845] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 541.955595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 541.961120] ? privileged_wrt_inode_uidgid+0x68/0xd0 [ 541.966202] ? capable_wrt_inode_uidgid+0x95/0xd0 [ 541.971030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 541.976554] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 541.982071] ? kernfs_get_active+0xb2/0x120 [ 541.986372] ? cgroup_destroy_locked+0x7c0/0x7c0 [ 541.991109] kernfs_iop_mkdir+0x159/0x1e0 [ 541.995239] ? getname_flags+0xd0/0x5a0 [ 541.999196] vfs_mkdir+0x42e/0x6b0 [ 542.002716] do_mkdirat+0x266/0x2f0 [ 542.006323] ? SyS_mknod+0x40/0x40 [ 542.009846] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 542.014671] ? do_syscall_64+0xb7/0x9d0 [ 542.018626] SyS_mkdir+0x22/0x30 [ 542.021972] ? SyS_mkdirat+0x30/0x30 [ 542.025666] do_syscall_64+0x29e/0x9d0 [ 542.029535] ? vmalloc_sync_all+0x30/0x30 [ 542.033667] ? _raw_spin_unlock_irq+0x27/0x70 [ 542.038146] ? finish_task_switch+0x1ca/0x820 [ 542.042621] ? syscall_return_slowpath+0x5c0/0x5c0 [ 542.047530] ? syscall_return_slowpath+0x30f/0x5c0 [ 542.052441] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 542.057785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 542.062611] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 542.067779] RIP: 0033:0x4552d9 [ 542.070945] RSP: 002b:00007f126b2d7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 542.078634] RAX: ffffffffffffffda RBX: 00007f126b2d86d4 RCX: 00000000004552d9 [ 542.085882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002a40 [ 542.093147] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 542.100398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 542.107646] R13: 00000000000003ea R14: 00000000006f8e90 R15: 0000000000000034 [ 542.114895] Code: 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 99 00 00 00 4f 8b a4 e5 38 0a 00 00 49 8d bc 24 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 81 00 00 00 49 8b bc 24 88 00 00 00 e8 37 [ 542.134086] RIP: __mem_cgroup_free+0x71/0x110 RSP: ffff880190edf538 [ 542.140594] ---[ end trace 9f3421b2651c8292 ]--- [ 542.145366] Kernel panic - not syncing: Fatal exception [ 542.150752] Dumping ftrace buffer: [ 542.154269] (ftrace buffer empty) [ 542.157952] Kernel Offset: disabled [ 542.161553] Rebooting in 86400 seconds..